1 | /*! |
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2 | * jQuery contextMenu - Plugin for simple contextMenu handling |
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3 | * |
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4 | * Version: git-master |
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5 | * |
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6 | * Authors: Rodney Rehm, Addy Osmani (patches for FF) |
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7 | * Web: http://medialize.github.com/jQuery-contextMenu/ |
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8 | * |
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9 | * Licensed under |
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10 | * MIT License http://www.opensource.org/licenses/mit-license |
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11 | * GPL v3 http://opensource.org/licenses/GPL-3.0 |
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12 | * |
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13 | */ |
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14 | |
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15 | (function($, undefined){ |
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16 | |
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17 | // TODO: - |
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18 | // ARIA stuff: menuitem, menuitemcheckbox und menuitemradio |
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19 | // create <menu> structure if $.support[htmlCommand || htmlMenuitem] and !opt.disableNative |
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20 | |
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21 | // determine html5 compatibility |
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22 | $.support.htmlMenuitem = ('HTMLMenuItemElement' in window); |
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23 | $.support.htmlCommand = ('HTMLCommandElement' in window); |
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24 | $.support.eventSelectstart = ("onselectstart" in document.documentElement); |
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25 | /* // should the need arise, test for css user-select |
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26 | $.support.cssUserSelect = (function(){ |
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27 | var t = false, |
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28 | e = document.createElement('div'); |
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29 | |
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30 | $.each('Moz|Webkit|Khtml|O|ms|Icab|'.split('|'), function(i, prefix) { |
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31 | var propCC = prefix + (prefix ? 'U' : 'u') + 'serSelect', |
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32 | prop = (prefix ? ('-' + prefix.toLowerCase() + '-') : '') + 'user-select'; |
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33 | |
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34 | e.style.cssText = prop + ': text;'; |
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35 | if (e.style[propCC] == 'text') { |
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36 | t = true; |
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37 | return false; |
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38 | } |
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39 | |
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40 | return true; |
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41 | }); |
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42 | |
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43 | return t; |
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44 | })(); |
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45 | */ |
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46 | |
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47 | if (!$.ui || !$.ui.widget) { |
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48 | // duck punch $.cleanData like jQueryUI does to get that remove event |
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49 | // https://github.com/jquery/jquery-ui/blob/master/ui/jquery.ui.widget.js#L16-24 |
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50 | var _cleanData = $.cleanData; |
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51 | $.cleanData = function( elems ) { |
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52 | for ( var i = 0, elem; (elem = elems[i]) != null; i++ ) { |
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53 | try { |
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54 | $( elem ).triggerHandler( "remove" ); |
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55 | // http://bugs.jquery.com/ticket/8235 |
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56 | } catch( e ) {} |
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57 | } |
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58 | _cleanData( elems ); |
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59 | }; |
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60 | } |
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61 | |
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62 | var // currently active contextMenu trigger |
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63 | $currentTrigger = null, |
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64 | // is contextMenu initialized with at least one menu? |
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65 | initialized = false, |
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66 | // window handle |
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67 | $win = $(window), |
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68 | // number of registered menus |
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69 | counter = 0, |
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70 | // mapping selector to namespace |
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71 | namespaces = {}, |
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72 | // mapping namespace to options |
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73 | menus = {}, |
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74 | // custom command type handlers |
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75 | types = {}, |
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76 | // default values |
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77 | defaults = { |
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78 | // selector of contextMenu trigger |
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79 | selector: null, |
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80 | // where to append the menu to |
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81 | appendTo: null, |
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82 | // method to trigger context menu ["right", "left", "hover"] |
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83 | trigger: "right", |
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84 | // hide menu when mouse leaves trigger / menu elements |
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85 | autoHide: false, |
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86 | // ms to wait before showing a hover-triggered context menu |
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87 | delay: 200, |
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88 | // flag denoting if a second trigger should simply move (true) or rebuild (false) an open menu |
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89 | // as long as the trigger happened on one of the trigger-element's child nodes |
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90 | reposition: true, |
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91 | // determine position to show menu at |
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92 | determinePosition: function($menu) { |
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93 | // position to the lower middle of the trigger element |
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94 | if ($.ui && $.ui.position) { |
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95 | // .position() is provided as a jQuery UI utility |
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96 | // (...and it won't work on hidden elements) |
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97 | $menu.css('display', 'block').position({ |
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98 | my: "center top", |
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99 | at: "center bottom", |
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100 | of: this, |
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101 | offset: "0 5", |
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102 | collision: "fit" |
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103 | }).css('display', 'none'); |
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104 | } else { |
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105 | // determine contextMenu position |
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106 | var offset = this.offset(); |
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107 | offset.top += this.outerHeight(); |
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108 | offset.left += this.outerWidth() / 2 - $menu.outerWidth() / 2; |
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109 | $menu.css(offset); |
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110 | } |
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111 | }, |
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112 | // position menu |
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113 | position: function(opt, x, y) { |
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114 | var $this = this, |
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115 | offset; |
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116 | // determine contextMenu position |
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117 | if (!x && !y) { |
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118 | opt.determinePosition.call(this, opt.$menu); |
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119 | return; |
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120 | } else if (x === "maintain" && y === "maintain") { |
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121 | // x and y must not be changed (after re-show on command click) |
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122 | offset = opt.$menu.position(); |
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123 | } else { |
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124 | // x and y are given (by mouse event) |
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125 | offset = {top: y, left: x}; |
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126 | } |
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127 | |
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128 | // correct offset if viewport demands it |
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129 | var bottom = $win.scrollTop() + $win.height(), |
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130 | right = $win.scrollLeft() + $win.width(), |
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131 | height = opt.$menu.height(), |
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132 | width = opt.$menu.width(); |
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133 | |
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134 | if (offset.top + height > bottom) { |
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135 | offset.top -= height; |
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136 | } |
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137 | |
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138 | if (offset.left + width > right) { |
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139 | offset.left -= width; |
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140 | } |
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141 | |
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142 | opt.$menu.css(offset); |
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143 | }, |
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144 | // position the sub-menu |
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145 | positionSubmenu: function($menu) { |
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146 | if ($.ui && $.ui.position) { |
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147 | // .position() is provided as a jQuery UI utility |
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148 | // (...and it won't work on hidden elements) |
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149 | $menu.css('display', 'block').position({ |
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150 | my: "left top", |
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151 | at: "right top", |
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152 | of: this, |
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153 | collision: "flipfit fit" |
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154 | }).css('display', ''); |
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155 | } else { |
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156 | // determine contextMenu position |
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157 | var offset = { |
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158 | top: 0, |
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159 | left: this.outerWidth() |
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160 | }; |
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161 | $menu.css(offset); |
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162 | } |
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163 | }, |
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164 | // offset to add to zIndex |
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165 | zIndex: 1, |
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166 | // show hide animation settings |
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167 | animation: { |
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168 | duration: 50, |
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169 | show: 'slideDown', |
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170 | hide: 'slideUp' |
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171 | }, |
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172 | // events |
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173 | events: { |
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174 | show: $.noop, |
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175 | hide: $.noop |
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176 | }, |
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177 | // default callback |
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178 | callback: null, |
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179 | // list of contextMenu items |
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180 | items: {} |
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181 | }, |
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182 | // mouse position for hover activation |
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183 | hoveract = { |
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184 | timer: null, |
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185 | pageX: null, |
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186 | pageY: null |
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187 | }, |
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188 | // determine zIndex |
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189 | zindex = function($t) { |
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190 | var zin = 0, |
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191 | $tt = $t; |
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192 | |
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193 | while (true) { |
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194 | zin = Math.max(zin, parseInt($tt.css('z-index'), 10) || 0); |
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195 | $tt = $tt.parent(); |
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196 | if (!$tt || !$tt.length || "html body".indexOf($tt.prop('nodeName').toLowerCase()) > -1 ) { |
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197 | break; |
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198 | } |
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199 | } |
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200 | |
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201 | return zin; |
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202 | }, |
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203 | // event handlers |
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204 | handle = { |
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205 | // abort anything |
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206 | abortevent: function(e){ |
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207 | e.preventDefault(); |
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208 | e.stopImmediatePropagation(); |
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209 | }, |
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210 | |
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211 | // contextmenu show dispatcher |
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212 | contextmenu: function(e) { |
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213 | var $this = $(this); |
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214 | |
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215 | // disable actual context-menu |
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216 | e.preventDefault(); |
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217 | e.stopImmediatePropagation(); |
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218 | |
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219 | // abort native-triggered events unless we're triggering on right click |
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220 | if (e.data.trigger != 'right' && e.originalEvent) { |
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221 | return; |
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222 | } |
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223 | |
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224 | // abort event if menu is visible for this trigger |
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225 | if ($this.hasClass('context-menu-active')) { |
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226 | return; |
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227 | } |
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228 | |
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229 | if (!$this.hasClass('context-menu-disabled')) { |
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230 | // theoretically need to fire a show event at <menu> |
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231 | // http://www.whatwg.org/specs/web-apps/current-work/multipage/interactive-elements.html#context-menus |
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232 | // var evt = jQuery.Event("show", { data: data, pageX: e.pageX, pageY: e.pageY, relatedTarget: this }); |
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233 | // e.data.$menu.trigger(evt); |
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234 | |
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235 | $currentTrigger = $this; |
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236 | if (e.data.build) { |
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237 | var built = e.data.build($currentTrigger, e); |
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238 | // abort if build() returned false |
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239 | if (built === false) { |
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240 | return; |
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241 | } |
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242 | |
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243 | // dynamically build menu on invocation |
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244 | e.data = $.extend(true, {}, defaults, e.data, built || {}); |
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245 | |
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246 | // abort if there are no items to display |
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247 | if (!e.data.items || $.isEmptyObject(e.data.items)) { |
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248 | // Note: jQuery captures and ignores errors from event handlers |
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249 | if (window.console) { |
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250 | (console.error || console.log)("No items specified to show in contextMenu"); |
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251 | } |
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252 | |
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253 | throw new Error('No Items specified'); |
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254 | } |
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255 | |
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256 | // backreference for custom command type creation |
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257 | e.data.$trigger = $currentTrigger; |
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258 | |
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259 | op.create(e.data); |
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260 | } |
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261 | // show menu |
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262 | op.show.call($this, e.data, e.pageX, e.pageY); |
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263 | } |
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264 | }, |
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265 | // contextMenu left-click trigger |
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266 | click: function(e) { |
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267 | e.preventDefault(); |
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268 | e.stopImmediatePropagation(); |
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269 | $(this).trigger($.Event("contextmenu", { data: e.data, pageX: e.pageX, pageY: e.pageY })); |
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270 | }, |
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271 | // contextMenu right-click trigger |
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272 | mousedown: function(e) { |
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273 | // register mouse down |
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274 | var $this = $(this); |
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275 | |
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276 | // hide any previous menus |
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277 | if ($currentTrigger && $currentTrigger.length && !$currentTrigger.is($this)) { |
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278 | $currentTrigger.data('contextMenu').$menu.trigger('contextmenu:hide'); |
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279 | } |
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280 | |
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281 | // activate on right click |
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282 | if (e.button == 2) { |
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283 | $currentTrigger = $this.data('contextMenuActive', true); |
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284 | } |
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285 | }, |
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286 | // contextMenu right-click trigger |
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287 | mouseup: function(e) { |
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288 | // show menu |
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289 | var $this = $(this); |
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290 | if ($this.data('contextMenuActive') && $currentTrigger && $currentTrigger.length && $currentTrigger.is($this) && !$this.hasClass('context-menu-disabled')) { |
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291 | e.preventDefault(); |
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292 | e.stopImmediatePropagation(); |
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293 | $currentTrigger = $this; |
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294 | $this.trigger($.Event("contextmenu", { data: e.data, pageX: e.pageX, pageY: e.pageY })); |
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295 | } |
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296 | |
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297 | $this.removeData('contextMenuActive'); |
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298 | }, |
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299 | // contextMenu hover trigger |
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300 | mouseenter: function(e) { |
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301 | var $this = $(this), |
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302 | $related = $(e.relatedTarget), |
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303 | $document = $(document); |
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304 | |
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305 | // abort if we're coming from a menu |
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306 | if ($related.is('.context-menu-list') || $related.closest('.context-menu-list').length) { |
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307 | return; |
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308 | } |
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309 | |
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310 | // abort if a menu is shown |
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311 | if ($currentTrigger && $currentTrigger.length) { |
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312 | return; |
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313 | } |
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314 | |
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315 | hoveract.pageX = e.pageX; |
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316 | hoveract.pageY = e.pageY; |
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317 | hoveract.data = e.data; |
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318 | $document.on('mousemove.contextMenuShow', handle.mousemove); |
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319 | hoveract.timer = setTimeout(function() { |
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320 | hoveract.timer = null; |
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321 | $document.off('mousemove.contextMenuShow'); |
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322 | $currentTrigger = $this; |
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323 | $this.trigger($.Event("contextmenu", { data: hoveract.data, pageX: hoveract.pageX, pageY: hoveract.pageY })); |
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324 | }, e.data.delay ); |
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325 | }, |
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326 | // contextMenu hover trigger |
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327 | mousemove: function(e) { |
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328 | hoveract.pageX = e.pageX; |
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329 | hoveract.pageY = e.pageY; |
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330 | }, |
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331 | // contextMenu hover trigger |
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332 | mouseleave: function(e) { |
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333 | // abort if we're leaving for a menu |
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334 | var $related = $(e.relatedTarget); |
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335 | if ($related.is('.context-menu-list') || $related.closest('.context-menu-list').length) { |
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336 | return; |
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337 | } |
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338 | |
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339 | try { |
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340 | clearTimeout(hoveract.timer); |
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341 | } catch(e) {} |
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342 | |
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343 | hoveract.timer = null; |
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344 | }, |
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345 | |
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346 | // click on layer to hide contextMenu |
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347 | layerClick: function(e) { |
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348 | var $this = $(this), |
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349 | root = $this.data('contextMenuRoot'), |
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350 | mouseup = false, |
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351 | button = e.button, |
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352 | x = e.pageX, |
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353 | y = e.pageY, |
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354 | target, |
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355 | offset, |
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356 | selectors; |
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357 | |
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358 | e.preventDefault(); |
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359 | e.stopImmediatePropagation(); |
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360 | |
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361 | setTimeout(function() { |
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362 | var $window, hideshow, possibleTarget; |
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363 | var triggerAction = ((root.trigger == 'left' && button === 0) || (root.trigger == 'right' && button === 2)); |
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364 | |
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365 | // find the element that would've been clicked, wasn't the layer in the way |
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366 | if (document.elementFromPoint) { |
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367 | root.$layer.hide(); |
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368 | target = document.elementFromPoint(x - $win.scrollLeft(), y - $win.scrollTop()); |
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369 | root.$layer.show(); |
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370 | } |
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371 | |
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372 | if (root.reposition && triggerAction) { |
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373 | if (document.elementFromPoint) { |
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374 | if (root.$trigger.is(target) || root.$trigger.has(target).length) { |
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375 | root.position.call(root.$trigger, root, x, y); |
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376 | return; |
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377 | } |
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378 | } else { |
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379 | offset = root.$trigger.offset(); |
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380 | $window = $(window); |
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381 | // while this looks kinda awful, it's the best way to avoid |
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382 | // unnecessarily calculating any positions |
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383 | offset.top += $window.scrollTop(); |
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384 | if (offset.top <= e.pageY) { |
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385 | offset.left += $window.scrollLeft(); |
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386 | if (offset.left <= e.pageX) { |
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387 | offset.bottom = offset.top + root.$trigger.outerHeight(); |
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388 | if (offset.bottom >= e.pageY) { |
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389 | offset.right = offset.left + root.$trigger.outerWidth(); |
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390 | if (offset.right >= e.pageX) { |
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391 | // reposition |
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392 | root.position.call(root.$trigger, root, x, y); |
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393 | return; |
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394 | } |
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395 | } |
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396 | } |
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397 | } |
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398 | } |
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399 | } |
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400 | |
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401 | if (target && triggerAction) { |
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402 | root.$trigger.one('contextmenu:hidden', function() { |
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403 | $(target).contextMenu({x: x, y: y}); |
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404 | }); |
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405 | } |
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406 | |
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407 | root.$menu.trigger('contextmenu:hide'); |
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408 | }, 50); |
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409 | }, |
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410 | // key handled :hover |
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411 | keyStop: function(e, opt) { |
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412 | if (!opt.isInput) { |
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413 | e.preventDefault(); |
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414 | } |
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415 | |
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416 | e.stopPropagation(); |
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417 | }, |
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418 | key: function(e) { |
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419 | var opt = $currentTrigger.data('contextMenu') || {}; |
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420 | |
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421 | switch (e.keyCode) { |
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422 | case 9: |
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423 | case 38: // up |
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424 | handle.keyStop(e, opt); |
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425 | // if keyCode is [38 (up)] or [9 (tab) with shift] |
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426 | if (opt.isInput) { |
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427 | if (e.keyCode == 9 && e.shiftKey) { |
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428 | e.preventDefault(); |
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429 | opt.$selected && opt.$selected.find('input, textarea, select').blur(); |
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430 | opt.$menu.trigger('prevcommand'); |
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431 | return; |
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432 | } else if (e.keyCode == 38 && opt.$selected.find('input, textarea, select').prop('type') == 'checkbox') { |
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433 | // checkboxes don't capture this key |
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434 | e.preventDefault(); |
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435 | return; |
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436 | } |
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437 | } else if (e.keyCode != 9 || e.shiftKey) { |
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438 | opt.$menu.trigger('prevcommand'); |
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439 | return; |
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440 | } |
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441 | // omitting break; |
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442 | |
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443 | // case 9: // tab - reached through omitted break; |
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444 | case 40: // down |
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445 | handle.keyStop(e, opt); |
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446 | if (opt.isInput) { |
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447 | if (e.keyCode == 9) { |
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448 | e.preventDefault(); |
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449 | opt.$selected && opt.$selected.find('input, textarea, select').blur(); |
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450 | opt.$menu.trigger('nextcommand'); |
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451 | return; |
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452 | } else if (e.keyCode == 40 && opt.$selected.find('input, textarea, select').prop('type') == 'checkbox') { |
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453 | // checkboxes don't capture this key |
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454 | e.preventDefault(); |
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455 | return; |
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456 | } |
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457 | } else { |
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458 | opt.$menu.trigger('nextcommand'); |
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459 | return; |
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460 | } |
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461 | break; |
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462 | |
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463 | case 37: // left |
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464 | handle.keyStop(e, opt); |
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465 | if (opt.isInput || !opt.$selected || !opt.$selected.length) { |
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466 | break; |
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467 | } |
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468 | |
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469 | if (!opt.$selected.parent().hasClass('context-menu-root')) { |
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470 | var $parent = opt.$selected.parent().parent(); |
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471 | opt.$selected.trigger('contextmenu:blur'); |
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472 | opt.$selected = $parent; |
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473 | return; |
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474 | } |
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475 | break; |
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476 | |
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477 | case 39: // right |
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478 | handle.keyStop(e, opt); |
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479 | if (opt.isInput || !opt.$selected || !opt.$selected.length) { |
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480 | break; |
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481 | } |
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482 | |
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483 | var itemdata = opt.$selected.data('contextMenu') || {}; |
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484 | if (itemdata.$menu && opt.$selected.hasClass('context-menu-submenu')) { |
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485 | opt.$selected = null; |
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486 | itemdata.$selected = null; |
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487 | itemdata.$menu.trigger('nextcommand'); |
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488 | return; |
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489 | } |
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490 | break; |
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491 | |
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492 | case 35: // end |
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493 | case 36: // home |
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494 | if (opt.$selected && opt.$selected.find('input, textarea, select').length) { |
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495 | return; |
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496 | } else { |
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497 | (opt.$selected && opt.$selected.parent() || opt.$menu) |
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498 | .children(':not(.disabled, .not-selectable)')[e.keyCode == 36 ? 'first' : 'last']() |
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499 | .trigger('contextmenu:focus'); |
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500 | e.preventDefault(); |
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501 | return; |
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502 | } |
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503 | break; |
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504 | |
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505 | case 13: // enter |
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506 | handle.keyStop(e, opt); |
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507 | if (opt.isInput) { |
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508 | if (opt.$selected && !opt.$selected.is('textarea, select')) { |
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509 | e.preventDefault(); |
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510 | return; |
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511 | } |
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512 | break; |
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513 | } |
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514 | opt.$selected && opt.$selected.trigger('mouseup'); |
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515 | return; |
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516 | |
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517 | case 32: // space |
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518 | case 33: // page up |
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519 | case 34: // page down |
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520 | // prevent browser from scrolling down while menu is visible |
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521 | handle.keyStop(e, opt); |
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522 | return; |
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523 | |
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524 | case 27: // esc |
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525 | handle.keyStop(e, opt); |
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526 | opt.$menu.trigger('contextmenu:hide'); |
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527 | return; |
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528 | |
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529 | default: // 0-9, a-z |
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530 | var k = (String.fromCharCode(e.keyCode)).toUpperCase(); |
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531 | if (opt.accesskeys[k]) { |
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532 | // according to the specs accesskeys must be invoked immediately |
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533 | opt.accesskeys[k].$node.trigger(opt.accesskeys[k].$menu |
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534 | ? 'contextmenu:focus' |
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535 | : 'mouseup' |
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536 | ); |
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537 | return; |
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538 | } |
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539 | break; |
---|
540 | } |
---|
541 | // pass event to selected item, |
---|
542 | // stop propagation to avoid endless recursion |
---|
543 | e.stopPropagation(); |
---|
544 | opt.$selected && opt.$selected.trigger(e); |
---|
545 | }, |
---|
546 | |
---|
547 | // select previous possible command in menu |
---|
548 | prevItem: function(e) { |
---|
549 | e.stopPropagation(); |
---|
550 | var opt = $(this).data('contextMenu') || {}; |
---|
551 | |
---|
552 | // obtain currently selected menu |
---|
553 | if (opt.$selected) { |
---|
554 | var $s = opt.$selected; |
---|
555 | opt = opt.$selected.parent().data('contextMenu') || {}; |
---|
556 | opt.$selected = $s; |
---|
557 | } |
---|
558 | |
---|
559 | var $children = opt.$menu.children(), |
---|
560 | $prev = !opt.$selected || !opt.$selected.prev().length ? $children.last() : opt.$selected.prev(), |
---|
561 | $round = $prev; |
---|
562 | |
---|
563 | // skip disabled |
---|
564 | while ($prev.hasClass('disabled') || $prev.hasClass('not-selectable')) { |
---|
565 | if ($prev.prev().length) { |
---|
566 | $prev = $prev.prev(); |
---|
567 | } else { |
---|
568 | $prev = $children.last(); |
---|
569 | } |
---|
570 | if ($prev.is($round)) { |
---|
571 | // break endless loop |
---|
572 | return; |
---|
573 | } |
---|
574 | } |
---|
575 | |
---|
576 | // leave current |
---|
577 | if (opt.$selected) { |
---|
578 | handle.itemMouseleave.call(opt.$selected.get(0), e); |
---|
579 | } |
---|
580 | |
---|
581 | // activate next |
---|
582 | handle.itemMouseenter.call($prev.get(0), e); |
---|
583 | |
---|
584 | // focus input |
---|
585 | var $input = $prev.find('input, textarea, select'); |
---|
586 | if ($input.length) { |
---|
587 | $input.focus(); |
---|
588 | } |
---|
589 | }, |
---|
590 | // select next possible command in menu |
---|
591 | nextItem: function(e) { |
---|
592 | e.stopPropagation(); |
---|
593 | var opt = $(this).data('contextMenu') || {}; |
---|
594 | |
---|
595 | // obtain currently selected menu |
---|
596 | if (opt.$selected) { |
---|
597 | var $s = opt.$selected; |
---|
598 | opt = opt.$selected.parent().data('contextMenu') || {}; |
---|
599 | opt.$selected = $s; |
---|
600 | } |
---|
601 | |
---|
602 | var $children = opt.$menu.children(), |
---|
603 | $next = !opt.$selected || !opt.$selected.next().length ? $children.first() : opt.$selected.next(), |
---|
604 | $round = $next; |
---|
605 | |
---|
606 | // skip disabled |
---|
607 | while ($next.hasClass('disabled') || $next.hasClass('not-selectable')) { |
---|
608 | if ($next.next().length) { |
---|
609 | $next = $next.next(); |
---|
610 | } else { |
---|
611 | $next = $children.first(); |
---|
612 | } |
---|
613 | if ($next.is($round)) { |
---|
614 | // break endless loop |
---|
615 | return; |
---|
616 | } |
---|
617 | } |
---|
618 | |
---|
619 | // leave current |
---|
620 | if (opt.$selected) { |
---|
621 | handle.itemMouseleave.call(opt.$selected.get(0), e); |
---|
622 | } |
---|
623 | |
---|
624 | // activate next |
---|
625 | handle.itemMouseenter.call($next.get(0), e); |
---|
626 | |
---|
627 | // focus input |
---|
628 | var $input = $next.find('input, textarea, select'); |
---|
629 | if ($input.length) { |
---|
630 | $input.focus(); |
---|
631 | } |
---|
632 | }, |
---|
633 | |
---|
634 | // flag that we're inside an input so the key handler can act accordingly |
---|
635 | focusInput: function(e) { |
---|
636 | var $this = $(this).closest('.context-menu-item'), |
---|
637 | data = $this.data(), |
---|
638 | opt = data.contextMenu, |
---|
639 | root = data.contextMenuRoot; |
---|
640 | |
---|
641 | root.$selected = opt.$selected = $this; |
---|
642 | root.isInput = opt.isInput = true; |
---|
643 | }, |
---|
644 | // flag that we're inside an input so the key handler can act accordingly |
---|
645 | blurInput: function(e) { |
---|
646 | var $this = $(this).closest('.context-menu-item'), |
---|
647 | data = $this.data(), |
---|
648 | opt = data.contextMenu, |
---|
649 | root = data.contextMenuRoot; |
---|
650 | |
---|
651 | root.isInput = opt.isInput = false; |
---|
652 | }, |
---|
653 | |
---|
654 | // :hover on menu |
---|
655 | menuMouseenter: function(e) { |
---|
656 | var root = $(this).data().contextMenuRoot; |
---|
657 | root.hovering = true; |
---|
658 | }, |
---|
659 | // :hover on menu |
---|
660 | menuMouseleave: function(e) { |
---|
661 | var root = $(this).data().contextMenuRoot; |
---|
662 | if (root.$layer && root.$layer.is(e.relatedTarget)) { |
---|
663 | root.hovering = false; |
---|
664 | } |
---|
665 | }, |
---|
666 | |
---|
667 | // :hover done manually so key handling is possible |
---|
668 | itemMouseenter: function(e) { |
---|
669 | var $this = $(this), |
---|
670 | data = $this.data(), |
---|
671 | opt = data.contextMenu, |
---|
672 | root = data.contextMenuRoot; |
---|
673 | |
---|
674 | root.hovering = true; |
---|
675 | |
---|
676 | // abort if we're re-entering |
---|
677 | if (e && root.$layer && root.$layer.is(e.relatedTarget)) { |
---|
678 | e.preventDefault(); |
---|
679 | e.stopImmediatePropagation(); |
---|
680 | } |
---|
681 | |
---|
682 | // make sure only one item is selected |
---|
683 | (opt.$menu ? opt : root).$menu |
---|
684 | .children('.hover').trigger('contextmenu:blur'); |
---|
685 | |
---|
686 | if ($this.hasClass('disabled') || $this.hasClass('not-selectable')) { |
---|
687 | opt.$selected = null; |
---|
688 | return; |
---|
689 | } |
---|
690 | |
---|
691 | $this.trigger('contextmenu:focus'); |
---|
692 | }, |
---|
693 | // :hover done manually so key handling is possible |
---|
694 | itemMouseleave: function(e) { |
---|
695 | var $this = $(this), |
---|
696 | data = $this.data(), |
---|
697 | opt = data.contextMenu, |
---|
698 | root = data.contextMenuRoot; |
---|
699 | |
---|
700 | if (root !== opt && root.$layer && root.$layer.is(e.relatedTarget)) { |
---|
701 | root.$selected && root.$selected.trigger('contextmenu:blur'); |
---|
702 | e.preventDefault(); |
---|
703 | e.stopImmediatePropagation(); |
---|
704 | root.$selected = opt.$selected = opt.$node; |
---|
705 | return; |
---|
706 | } |
---|
707 | |
---|
708 | $this.trigger('contextmenu:blur'); |
---|
709 | }, |
---|
710 | // contextMenu item click |
---|
711 | itemClick: function(e) { |
---|
712 | var $this = $(this), |
---|
713 | data = $this.data(), |
---|
714 | opt = data.contextMenu, |
---|
715 | root = data.contextMenuRoot, |
---|
716 | key = data.contextMenuKey, |
---|
717 | callback; |
---|
718 | |
---|
719 | // abort if the key is unknown or disabled or is a menu |
---|
720 | if (!opt.items[key] || $this.is('.disabled, .context-menu-submenu, .context-menu-separator, .not-selectable')) { |
---|
721 | return; |
---|
722 | } |
---|
723 | |
---|
724 | e.preventDefault(); |
---|
725 | e.stopImmediatePropagation(); |
---|
726 | |
---|
727 | if ($.isFunction(root.callbacks[key]) && Object.prototype.hasOwnProperty.call(root.callbacks, key)) { |
---|
728 | // item-specific callback |
---|
729 | callback = root.callbacks[key]; |
---|
730 | } else if ($.isFunction(root.callback)) { |
---|
731 | // default callback |
---|
732 | callback = root.callback; |
---|
733 | } else { |
---|
734 | // no callback, no action |
---|
735 | return; |
---|
736 | } |
---|
737 | |
---|
738 | // hide menu if callback doesn't stop that |
---|
739 | if (callback.call(root.$trigger, key, root) !== false) { |
---|
740 | root.$menu.trigger('contextmenu:hide'); |
---|
741 | } else if (root.$menu.parent().length) { |
---|
742 | op.update.call(root.$trigger, root); |
---|
743 | } |
---|
744 | }, |
---|
745 | // ignore click events on input elements |
---|
746 | inputClick: function(e) { |
---|
747 | e.stopImmediatePropagation(); |
---|
748 | }, |
---|
749 | |
---|
750 | // hide <menu> |
---|
751 | hideMenu: function(e, data) { |
---|
752 | var root = $(this).data('contextMenuRoot'); |
---|
753 | op.hide.call(root.$trigger, root, data && data.force); |
---|
754 | }, |
---|
755 | // focus <command> |
---|
756 | focusItem: function(e) { |
---|
757 | e.stopPropagation(); |
---|
758 | var $this = $(this), |
---|
759 | data = $this.data(), |
---|
760 | opt = data.contextMenu, |
---|
761 | root = data.contextMenuRoot; |
---|
762 | |
---|
763 | $this.addClass('hover') |
---|
764 | .siblings('.hover').trigger('contextmenu:blur'); |
---|
765 | |
---|
766 | // remember selected |
---|
767 | opt.$selected = root.$selected = $this; |
---|
768 | |
---|
769 | // position sub-menu - do after show so dumb $.ui.position can keep up |
---|
770 | if (opt.$node) { |
---|
771 | root.positionSubmenu.call(opt.$node, opt.$menu); |
---|
772 | } |
---|
773 | }, |
---|
774 | // blur <command> |
---|
775 | blurItem: function(e) { |
---|
776 | e.stopPropagation(); |
---|
777 | var $this = $(this), |
---|
778 | data = $this.data(), |
---|
779 | opt = data.contextMenu, |
---|
780 | root = data.contextMenuRoot; |
---|
781 | |
---|
782 | $this.removeClass('hover'); |
---|
783 | opt.$selected = null; |
---|
784 | } |
---|
785 | }, |
---|
786 | // operations |
---|
787 | op = { |
---|
788 | show: function(opt, x, y) { |
---|
789 | var $trigger = $(this), |
---|
790 | offset, |
---|
791 | css = {}; |
---|
792 | |
---|
793 | // hide any open menus |
---|
794 | $('#context-menu-layer').trigger('mousedown'); |
---|
795 | |
---|
796 | // backreference for callbacks |
---|
797 | opt.$trigger = $trigger; |
---|
798 | |
---|
799 | // show event |
---|
800 | if (opt.events.show.call($trigger, opt) === false) { |
---|
801 | $currentTrigger = null; |
---|
802 | return; |
---|
803 | } |
---|
804 | |
---|
805 | // create or update context menu |
---|
806 | op.update.call($trigger, opt); |
---|
807 | |
---|
808 | // position menu |
---|
809 | opt.position.call($trigger, opt, x, y); |
---|
810 | |
---|
811 | // make sure we're in front |
---|
812 | if (opt.zIndex) { |
---|
813 | css.zIndex = zindex($trigger) + opt.zIndex; |
---|
814 | } |
---|
815 | |
---|
816 | // add layer |
---|
817 | op.layer.call(opt.$menu, opt, css.zIndex); |
---|
818 | |
---|
819 | // adjust sub-menu zIndexes |
---|
820 | opt.$menu.find('ul').css('zIndex', css.zIndex + 1); |
---|
821 | |
---|
822 | // position and show context menu |
---|
823 | opt.$menu.css( css )[opt.animation.show](opt.animation.duration, function() { |
---|
824 | $trigger.trigger('contextmenu:visible'); |
---|
825 | }); |
---|
826 | // make options available and set state |
---|
827 | $trigger |
---|
828 | .data('contextMenu', opt) |
---|
829 | .addClass("context-menu-active"); |
---|
830 | |
---|
831 | // register key handler |
---|
832 | $(document).off('keydown.contextMenu').on('keydown.contextMenu', handle.key); |
---|
833 | // register autoHide handler |
---|
834 | if (opt.autoHide) { |
---|
835 | // mouse position handler |
---|
836 | $(document).on('mousemove.contextMenuAutoHide', function(e) { |
---|
837 | // need to capture the offset on mousemove, |
---|
838 | // since the page might've been scrolled since activation |
---|
839 | var pos = $trigger.offset(); |
---|
840 | pos.right = pos.left + $trigger.outerWidth(); |
---|
841 | pos.bottom = pos.top + $trigger.outerHeight(); |
---|
842 | |
---|
843 | if (opt.$layer && !opt.hovering && (!(e.pageX >= pos.left && e.pageX <= pos.right) || !(e.pageY >= pos.top && e.pageY <= pos.bottom))) { |
---|
844 | // if mouse in menu... |
---|
845 | opt.$menu.trigger('contextmenu:hide'); |
---|
846 | } |
---|
847 | }); |
---|
848 | } |
---|
849 | }, |
---|
850 | hide: function(opt, force) { |
---|
851 | var $trigger = $(this); |
---|
852 | if (!opt) { |
---|
853 | opt = $trigger.data('contextMenu') || {}; |
---|
854 | } |
---|
855 | |
---|
856 | // hide event |
---|
857 | if (!force && opt.events && opt.events.hide.call($trigger, opt) === false) { |
---|
858 | return; |
---|
859 | } |
---|
860 | |
---|
861 | // remove options and revert state |
---|
862 | $trigger |
---|
863 | .removeData('contextMenu') |
---|
864 | .removeClass("context-menu-active"); |
---|
865 | |
---|
866 | if (opt.$layer) { |
---|
867 | // keep layer for a bit so the contextmenu event can be aborted properly by opera |
---|
868 | setTimeout((function($layer) { |
---|
869 | return function(){ |
---|
870 | $layer.remove(); |
---|
871 | }; |
---|
872 | })(opt.$layer), 10); |
---|
873 | |
---|
874 | try { |
---|
875 | delete opt.$layer; |
---|
876 | } catch(e) { |
---|
877 | opt.$layer = null; |
---|
878 | } |
---|
879 | } |
---|
880 | |
---|
881 | // remove handle |
---|
882 | $currentTrigger = null; |
---|
883 | // remove selected |
---|
884 | opt.$menu.find('.hover').trigger('contextmenu:blur'); |
---|
885 | opt.$selected = null; |
---|
886 | // unregister key and mouse handlers |
---|
887 | //$(document).off('.contextMenuAutoHide keydown.contextMenu'); // http://bugs.jquery.com/ticket/10705 |
---|
888 | $(document).off('.contextMenuAutoHide').off('keydown.contextMenu'); |
---|
889 | // hide menu |
---|
890 | opt.$menu && opt.$menu[opt.animation.hide](opt.animation.duration, function (){ |
---|
891 | // tear down dynamically built menu after animation is completed. |
---|
892 | if (opt.build) { |
---|
893 | opt.$menu.remove(); |
---|
894 | $.each(opt, function(key, value) { |
---|
895 | switch (key) { |
---|
896 | case 'ns': |
---|
897 | case 'selector': |
---|
898 | case 'build': |
---|
899 | case 'trigger': |
---|
900 | return true; |
---|
901 | |
---|
902 | default: |
---|
903 | opt[key] = undefined; |
---|
904 | try { |
---|
905 | delete opt[key]; |
---|
906 | } catch (e) {} |
---|
907 | return true; |
---|
908 | } |
---|
909 | }); |
---|
910 | } |
---|
911 | |
---|
912 | setTimeout(function() { |
---|
913 | $trigger.trigger('contextmenu:hidden'); |
---|
914 | }, 10); |
---|
915 | }); |
---|
916 | }, |
---|
917 | create: function(opt, root) { |
---|
918 | if (root === undefined) { |
---|
919 | root = opt; |
---|
920 | } |
---|
921 | // create contextMenu |
---|
922 | opt.$menu = $('<ul class="context-menu-list"></ul>').addClass(opt.className || "").data({ |
---|
923 | 'contextMenu': opt, |
---|
924 | 'contextMenuRoot': root |
---|
925 | }); |
---|
926 | |
---|
927 | $.each(['callbacks', 'commands', 'inputs'], function(i,k){ |
---|
928 | opt[k] = {}; |
---|
929 | if (!root[k]) { |
---|
930 | root[k] = {}; |
---|
931 | } |
---|
932 | }); |
---|
933 | |
---|
934 | root.accesskeys || (root.accesskeys = {}); |
---|
935 | |
---|
936 | // create contextMenu items |
---|
937 | $.each(opt.items, function(key, item){ |
---|
938 | var $t = $('<li class="context-menu-item"></li>').addClass(item.className || ""), |
---|
939 | $label = null, |
---|
940 | $input = null; |
---|
941 | |
---|
942 | // iOS needs to see a click-event bound to an element to actually |
---|
943 | // have the TouchEvents infrastructure trigger the click event |
---|
944 | $t.on('click', $.noop); |
---|
945 | |
---|
946 | item.$node = $t.data({ |
---|
947 | 'contextMenu': opt, |
---|
948 | 'contextMenuRoot': root, |
---|
949 | 'contextMenuKey': key |
---|
950 | }); |
---|
951 | |
---|
952 | // register accesskey |
---|
953 | // NOTE: the accesskey attribute should be applicable to any element, but Safari5 and Chrome13 still can't do that |
---|
954 | if (item.accesskey) { |
---|
955 | var aks = splitAccesskey(item.accesskey); |
---|
956 | for (var i=0, ak; ak = aks[i]; i++) { |
---|
957 | if (!root.accesskeys[ak]) { |
---|
958 | root.accesskeys[ak] = item; |
---|
959 | item._name = item.name.replace(new RegExp('(' + ak + ')', 'i'), '<span class="context-menu-accesskey">$1</span>'); |
---|
960 | break; |
---|
961 | } |
---|
962 | } |
---|
963 | } |
---|
964 | |
---|
965 | if (typeof item == "string") { |
---|
966 | $t.addClass('context-menu-separator not-selectable'); |
---|
967 | } else if (item.type && types[item.type]) { |
---|
968 | // run custom type handler |
---|
969 | types[item.type].call($t, item, opt, root); |
---|
970 | // register commands |
---|
971 | $.each([opt, root], function(i,k){ |
---|
972 | k.commands[key] = item; |
---|
973 | if ($.isFunction(item.callback)) { |
---|
974 | k.callbacks[key] = item.callback; |
---|
975 | } |
---|
976 | }); |
---|
977 | } else { |
---|
978 | // add label for input |
---|
979 | if (item.type == 'html') { |
---|
980 | $t.addClass('context-menu-html not-selectable'); |
---|
981 | } else if (item.type) { |
---|
982 | $label = $('<label></label>').appendTo($t); |
---|
983 | $('<span></span>').html(item._name || item.name).appendTo($label); |
---|
984 | $t.addClass('context-menu-input'); |
---|
985 | opt.hasTypes = true; |
---|
986 | $.each([opt, root], function(i,k){ |
---|
987 | k.commands[key] = item; |
---|
988 | k.inputs[key] = item; |
---|
989 | }); |
---|
990 | } else if (item.items) { |
---|
991 | item.type = 'sub'; |
---|
992 | } |
---|
993 | |
---|
994 | switch (item.type) { |
---|
995 | case 'text': |
---|
996 | $input = $('<input type="text" value="1" name="" value="">') |
---|
997 | .attr('name', 'context-menu-input-' + key) |
---|
998 | .val(item.value || "") |
---|
999 | .appendTo($label); |
---|
1000 | break; |
---|
1001 | |
---|
1002 | case 'textarea': |
---|
1003 | $input = $('<textarea name=""></textarea>') |
---|
1004 | .attr('name', 'context-menu-input-' + key) |
---|
1005 | .val(item.value || "") |
---|
1006 | .appendTo($label); |
---|
1007 | |
---|
1008 | if (item.height) { |
---|
1009 | $input.height(item.height); |
---|
1010 | } |
---|
1011 | break; |
---|
1012 | |
---|
1013 | case 'checkbox': |
---|
1014 | $input = $('<input type="checkbox" value="1" name="" value="">') |
---|
1015 | .attr('name', 'context-menu-input-' + key) |
---|
1016 | .val(item.value || "") |
---|
1017 | .prop("checked", !!item.selected) |
---|
1018 | .prependTo($label); |
---|
1019 | break; |
---|
1020 | |
---|
1021 | case 'radio': |
---|
1022 | $input = $('<input type="radio" value="1" name="" value="">') |
---|
1023 | .attr('name', 'context-menu-input-' + item.radio) |
---|
1024 | .val(item.value || "") |
---|
1025 | .prop("checked", !!item.selected) |
---|
1026 | .prependTo($label); |
---|
1027 | break; |
---|
1028 | |
---|
1029 | case 'select': |
---|
1030 | $input = $('<select name="">') |
---|
1031 | .attr('name', 'context-menu-input-' + key) |
---|
1032 | .appendTo($label); |
---|
1033 | if (item.options) { |
---|
1034 | $.each(item.options, function(value, text) { |
---|
1035 | $('<option></option>').val(value).text(text).appendTo($input); |
---|
1036 | }); |
---|
1037 | $input.val(item.selected); |
---|
1038 | } |
---|
1039 | break; |
---|
1040 | |
---|
1041 | case 'sub': |
---|
1042 | // FIXME: shouldn't this .html() be a .text()? |
---|
1043 | $('<span></span>').html(item._name || item.name).appendTo($t); |
---|
1044 | item.appendTo = item.$node; |
---|
1045 | op.create(item, root); |
---|
1046 | $t.data('contextMenu', item).addClass('context-menu-submenu'); |
---|
1047 | item.callback = null; |
---|
1048 | break; |
---|
1049 | |
---|
1050 | case 'html': |
---|
1051 | $(item.html).appendTo($t); |
---|
1052 | break; |
---|
1053 | |
---|
1054 | default: |
---|
1055 | $.each([opt, root], function(i,k){ |
---|
1056 | k.commands[key] = item; |
---|
1057 | if ($.isFunction(item.callback)) { |
---|
1058 | k.callbacks[key] = item.callback; |
---|
1059 | } |
---|
1060 | }); |
---|
1061 | // FIXME: shouldn't this .html() be a .text()? |
---|
1062 | $('<span></span>').html(item._name || item.name || "").appendTo($t); |
---|
1063 | break; |
---|
1064 | } |
---|
1065 | |
---|
1066 | // disable key listener in <input> |
---|
1067 | if (item.type && item.type != 'sub' && item.type != 'html') { |
---|
1068 | $input |
---|
1069 | .on('focus', handle.focusInput) |
---|
1070 | .on('blur', handle.blurInput); |
---|
1071 | |
---|
1072 | if (item.events) { |
---|
1073 | $input.on(item.events, opt); |
---|
1074 | } |
---|
1075 | } |
---|
1076 | |
---|
1077 | // add icons |
---|
1078 | if (item.icon) { |
---|
1079 | $t.addClass("ico ico-" + item.icon); |
---|
1080 | } |
---|
1081 | } |
---|
1082 | |
---|
1083 | // cache contained elements |
---|
1084 | item.$input = $input; |
---|
1085 | item.$label = $label; |
---|
1086 | |
---|
1087 | // attach item to menu |
---|
1088 | $t.appendTo(opt.$menu); |
---|
1089 | |
---|
1090 | // Disable text selection |
---|
1091 | if (!opt.hasTypes && $.support.eventSelectstart) { |
---|
1092 | // browsers support user-select: none, |
---|
1093 | // IE has a special event for text-selection |
---|
1094 | // browsers supporting neither will not be preventing text-selection |
---|
1095 | $t.on('selectstart.disableTextSelect', handle.abortevent); |
---|
1096 | } |
---|
1097 | }); |
---|
1098 | // attach contextMenu to <body> (to bypass any possible overflow:hidden issues on parents of the trigger element) |
---|
1099 | if (!opt.$node) { |
---|
1100 | opt.$menu.css('display', 'none').addClass('context-menu-root'); |
---|
1101 | } |
---|
1102 | opt.$menu.appendTo(opt.appendTo || document.body); |
---|
1103 | }, |
---|
1104 | resize: function($menu, nested) { |
---|
1105 | // determine widths of submenus, as CSS won't grow them automatically |
---|
1106 | // position:absolute within position:absolute; min-width:100; max-width:200; results in width: 100; |
---|
1107 | // kinda sucks hard... |
---|
1108 | |
---|
1109 | // determine width of absolutely positioned element |
---|
1110 | $menu.css({position: 'absolute', display: 'block'}); |
---|
1111 | // don't apply yet, because that would break nested elements' widths |
---|
1112 | // add a pixel to circumvent word-break issue in IE9 - #80 |
---|
1113 | $menu.data('width', Math.ceil($menu.width()) + 1); |
---|
1114 | // reset styles so they allow nested elements to grow/shrink naturally |
---|
1115 | $menu.css({ |
---|
1116 | position: 'static', |
---|
1117 | minWidth: '0px', |
---|
1118 | maxWidth: '100000px' |
---|
1119 | }); |
---|
1120 | // identify width of nested menus |
---|
1121 | $menu.find('> li > ul').each(function() { |
---|
1122 | op.resize($(this), true); |
---|
1123 | }); |
---|
1124 | // reset and apply changes in the end because nested |
---|
1125 | // elements' widths wouldn't be calculatable otherwise |
---|
1126 | if (!nested) { |
---|
1127 | $menu.find('ul').andSelf().css({ |
---|
1128 | position: '', |
---|
1129 | display: '', |
---|
1130 | minWidth: '', |
---|
1131 | maxWidth: '' |
---|
1132 | }).width(function() { |
---|
1133 | return $(this).data('width'); |
---|
1134 | }); |
---|
1135 | } |
---|
1136 | }, |
---|
1137 | update: function(opt, root) { |
---|
1138 | var $trigger = this; |
---|
1139 | if (root === undefined) { |
---|
1140 | root = opt; |
---|
1141 | op.resize(opt.$menu); |
---|
1142 | } |
---|
1143 | // re-check disabled for each item |
---|
1144 | opt.$menu.children().each(function(){ |
---|
1145 | var $item = $(this), |
---|
1146 | key = $item.data('contextMenuKey'), |
---|
1147 | item = opt.items[key], |
---|
1148 | disabled = ($.isFunction(item.disabled) && item.disabled.call($trigger, key, root)) || item.disabled === true; |
---|
1149 | |
---|
1150 | // dis- / enable item |
---|
1151 | $item[disabled ? 'addClass' : 'removeClass']('disabled'); |
---|
1152 | |
---|
1153 | if (item.type) { |
---|
1154 | // dis- / enable input elements |
---|
1155 | $item.find('input, select, textarea').prop('disabled', disabled); |
---|
1156 | |
---|
1157 | // update input states |
---|
1158 | switch (item.type) { |
---|
1159 | case 'text': |
---|
1160 | case 'textarea': |
---|
1161 | item.$input.val(item.value || ""); |
---|
1162 | break; |
---|
1163 | |
---|
1164 | case 'checkbox': |
---|
1165 | case 'radio': |
---|
1166 | item.$input.val(item.value || "").prop('checked', !!item.selected); |
---|
1167 | break; |
---|
1168 | |
---|
1169 | case 'select': |
---|
1170 | item.$input.val(item.selected || ""); |
---|
1171 | break; |
---|
1172 | } |
---|
1173 | } |
---|
1174 | |
---|
1175 | if (item.$menu) { |
---|
1176 | // update sub-menu |
---|
1177 | op.update.call($trigger, item, root); |
---|
1178 | } |
---|
1179 | }); |
---|
1180 | }, |
---|
1181 | layer: function(opt, zIndex) { |
---|
1182 | // add transparent layer for click area |
---|
1183 | // filter and background for Internet Explorer, Issue #23 |
---|
1184 | var $layer = opt.$layer = $('<div id="context-menu-layer" style="position:fixed; z-index:' + zIndex + '; top:0; left:0; opacity: 0; filter: alpha(opacity=0); background-color: #000;"></div>') |
---|
1185 | .css({height: $win.height(), width: $win.width(), display: 'block'}) |
---|
1186 | .data('contextMenuRoot', opt) |
---|
1187 | .insertBefore(this) |
---|
1188 | .on('contextmenu', handle.abortevent) |
---|
1189 | .on('mousedown', handle.layerClick); |
---|
1190 | |
---|
1191 | // IE6 doesn't know position:fixed; |
---|
1192 | if (!$.support.fixedPosition) { |
---|
1193 | $layer.css({ |
---|
1194 | 'position' : 'absolute', |
---|
1195 | 'height' : $(document).height() |
---|
1196 | }); |
---|
1197 | } |
---|
1198 | |
---|
1199 | return $layer; |
---|
1200 | } |
---|
1201 | }; |
---|
1202 | |
---|
1203 | // split accesskey according to http://www.whatwg.org/specs/web-apps/current-work/multipage/editing.html#assigned-access-key |
---|
1204 | function splitAccesskey(val) { |
---|
1205 | var t = val.split(/\s+/), |
---|
1206 | keys = []; |
---|
1207 | |
---|
1208 | for (var i=0, k; k = t[i]; i++) { |
---|
1209 | k = k[0].toUpperCase(); // first character only |
---|
1210 | // theoretically non-accessible characters should be ignored, but different systems, different keyboard layouts, ... screw it. |
---|
1211 | // a map to look up already used access keys would be nice |
---|
1212 | keys.push(k); |
---|
1213 | } |
---|
1214 | |
---|
1215 | return keys; |
---|
1216 | } |
---|
1217 | |
---|
1218 | // handle contextMenu triggers |
---|
1219 | $.fn.contextMenu = function(operation) { |
---|
1220 | if (operation === undefined) { |
---|
1221 | this.first().trigger('contextmenu'); |
---|
1222 | } else if (operation.x && operation.y) { |
---|
1223 | this.first().trigger($.Event("contextmenu", {pageX: operation.x, pageY: operation.y})); |
---|
1224 | } else if (operation === "hide") { |
---|
1225 | var $menu = this.data('contextMenu').$menu; |
---|
1226 | $menu && $menu.trigger('contextmenu:hide'); |
---|
1227 | } else if (operation === "destroy") { |
---|
1228 | $.contextMenu("destroy", {context: this}); |
---|
1229 | } else if ($.isPlainObject(operation)) { |
---|
1230 | operation.context = this; |
---|
1231 | $.contextMenu("create", operation); |
---|
1232 | } else if (operation) { |
---|
1233 | this.removeClass('context-menu-disabled'); |
---|
1234 | } else if (!operation) { |
---|
1235 | this.addClass('context-menu-disabled'); |
---|
1236 | } |
---|
1237 | |
---|
1238 | return this; |
---|
1239 | }; |
---|
1240 | |
---|
1241 | // manage contextMenu instances |
---|
1242 | $.contextMenu = function(operation, options) { |
---|
1243 | if (typeof operation != 'string') { |
---|
1244 | options = operation; |
---|
1245 | operation = 'create'; |
---|
1246 | } |
---|
1247 | |
---|
1248 | if (typeof options == 'string') { |
---|
1249 | options = {selector: options}; |
---|
1250 | } else if (options === undefined) { |
---|
1251 | options = {}; |
---|
1252 | } |
---|
1253 | |
---|
1254 | // merge with default options |
---|
1255 | var o = $.extend(true, {}, defaults, options || {}); |
---|
1256 | var $document = $(document); |
---|
1257 | var $context = $document; |
---|
1258 | var _hasContext = false; |
---|
1259 | |
---|
1260 | if (!o.context || !o.context.length) { |
---|
1261 | o.context = document; |
---|
1262 | } else { |
---|
1263 | // you never know what they throw at you... |
---|
1264 | $context = $(o.context).first(); |
---|
1265 | o.context = $context.get(0); |
---|
1266 | _hasContext = o.context !== document; |
---|
1267 | } |
---|
1268 | |
---|
1269 | switch (operation) { |
---|
1270 | case 'create': |
---|
1271 | // no selector no joy |
---|
1272 | if (!o.selector) { |
---|
1273 | throw new Error('No selector specified'); |
---|
1274 | } |
---|
1275 | // make sure internal classes are not bound to |
---|
1276 | if (o.selector.match(/.context-menu-(list|item|input)($|\s)/)) { |
---|
1277 | throw new Error('Cannot bind to selector "' + o.selector + '" as it contains a reserved className'); |
---|
1278 | } |
---|
1279 | if (!o.build && (!o.items || $.isEmptyObject(o.items))) { |
---|
1280 | throw new Error('No Items specified'); |
---|
1281 | } |
---|
1282 | counter ++; |
---|
1283 | o.ns = '.contextMenu' + counter; |
---|
1284 | if (!_hasContext) { |
---|
1285 | namespaces[o.selector] = o.ns; |
---|
1286 | } |
---|
1287 | menus[o.ns] = o; |
---|
1288 | |
---|
1289 | // default to right click |
---|
1290 | if (!o.trigger) { |
---|
1291 | o.trigger = 'right'; |
---|
1292 | } |
---|
1293 | |
---|
1294 | if (!initialized) { |
---|
1295 | // make sure item click is registered first |
---|
1296 | $document |
---|
1297 | .on({ |
---|
1298 | 'contextmenu:hide.contextMenu': handle.hideMenu, |
---|
1299 | 'prevcommand.contextMenu': handle.prevItem, |
---|
1300 | 'nextcommand.contextMenu': handle.nextItem, |
---|
1301 | 'contextmenu.contextMenu': handle.abortevent, |
---|
1302 | 'mouseenter.contextMenu': handle.menuMouseenter, |
---|
1303 | 'mouseleave.contextMenu': handle.menuMouseleave |
---|
1304 | }, '.context-menu-list') |
---|
1305 | .on('mouseup.contextMenu', '.context-menu-input', handle.inputClick) |
---|
1306 | .on({ |
---|
1307 | 'mouseup.contextMenu': handle.itemClick, |
---|
1308 | 'contextmenu:focus.contextMenu': handle.focusItem, |
---|
1309 | 'contextmenu:blur.contextMenu': handle.blurItem, |
---|
1310 | 'contextmenu.contextMenu': handle.abortevent, |
---|
1311 | 'mouseenter.contextMenu': handle.itemMouseenter, |
---|
1312 | 'mouseleave.contextMenu': handle.itemMouseleave |
---|
1313 | }, '.context-menu-item'); |
---|
1314 | |
---|
1315 | initialized = true; |
---|
1316 | } |
---|
1317 | |
---|
1318 | // engage native contextmenu event |
---|
1319 | $context |
---|
1320 | .on('contextmenu' + o.ns, o.selector, o, handle.contextmenu); |
---|
1321 | |
---|
1322 | if (_hasContext) { |
---|
1323 | // add remove hook, just in case |
---|
1324 | $context.on('remove' + o.ns, function() { |
---|
1325 | $(this).contextMenu("destroy"); |
---|
1326 | }); |
---|
1327 | } |
---|
1328 | |
---|
1329 | switch (o.trigger) { |
---|
1330 | case 'hover': |
---|
1331 | $context |
---|
1332 | .on('mouseenter' + o.ns, o.selector, o, handle.mouseenter) |
---|
1333 | .on('mouseleave' + o.ns, o.selector, o, handle.mouseleave); |
---|
1334 | break; |
---|
1335 | |
---|
1336 | case 'left': |
---|
1337 | $context.on('click' + o.ns, o.selector, o, handle.click); |
---|
1338 | break; |
---|
1339 | /* |
---|
1340 | default: |
---|
1341 | // http://www.quirksmode.org/dom/events/contextmenu.html |
---|
1342 | $document |
---|
1343 | .on('mousedown' + o.ns, o.selector, o, handle.mousedown) |
---|
1344 | .on('mouseup' + o.ns, o.selector, o, handle.mouseup); |
---|
1345 | break; |
---|
1346 | */ |
---|
1347 | } |
---|
1348 | |
---|
1349 | // create menu |
---|
1350 | if (!o.build) { |
---|
1351 | op.create(o); |
---|
1352 | } |
---|
1353 | break; |
---|
1354 | |
---|
1355 | case 'destroy': |
---|
1356 | var $visibleMenu; |
---|
1357 | if (_hasContext) { |
---|
1358 | // get proper options |
---|
1359 | var context = o.context; |
---|
1360 | $.each(menus, function(ns, o) { |
---|
1361 | if (o.context !== context) { |
---|
1362 | return true; |
---|
1363 | } |
---|
1364 | |
---|
1365 | $visibleMenu = $('.context-menu-list').filter(':visible'); |
---|
1366 | if ($visibleMenu.length && $visibleMenu.data().contextMenuRoot.$trigger.is($(o.context).find(o.selector))) { |
---|
1367 | $visibleMenu.trigger('contextmenu:hide', {force: true}); |
---|
1368 | } |
---|
1369 | |
---|
1370 | try { |
---|
1371 | if (menus[o.ns].$menu) { |
---|
1372 | menus[o.ns].$menu.remove(); |
---|
1373 | } |
---|
1374 | |
---|
1375 | delete menus[o.ns]; |
---|
1376 | } catch(e) { |
---|
1377 | menus[o.ns] = null; |
---|
1378 | } |
---|
1379 | |
---|
1380 | $(o.context).off(o.ns); |
---|
1381 | |
---|
1382 | return true; |
---|
1383 | }); |
---|
1384 | } else if (!o.selector) { |
---|
1385 | $document.off('.contextMenu .contextMenuAutoHide'); |
---|
1386 | $.each(menus, function(ns, o) { |
---|
1387 | $(o.context).off(o.ns); |
---|
1388 | }); |
---|
1389 | |
---|
1390 | namespaces = {}; |
---|
1391 | menus = {}; |
---|
1392 | counter = 0; |
---|
1393 | initialized = false; |
---|
1394 | |
---|
1395 | $('#context-menu-layer, .context-menu-list').remove(); |
---|
1396 | } else if (namespaces[o.selector]) { |
---|
1397 | $visibleMenu = $('.context-menu-list').filter(':visible'); |
---|
1398 | if ($visibleMenu.length && $visibleMenu.data().contextMenuRoot.$trigger.is(o.selector)) { |
---|
1399 | $visibleMenu.trigger('contextmenu:hide', {force: true}); |
---|
1400 | } |
---|
1401 | |
---|
1402 | try { |
---|
1403 | if (menus[namespaces[o.selector]].$menu) { |
---|
1404 | menus[namespaces[o.selector]].$menu.remove(); |
---|
1405 | } |
---|
1406 | |
---|
1407 | delete menus[namespaces[o.selector]]; |
---|
1408 | } catch(e) { |
---|
1409 | menus[namespaces[o.selector]] = null; |
---|
1410 | } |
---|
1411 | |
---|
1412 | $document.off(namespaces[o.selector]); |
---|
1413 | } |
---|
1414 | break; |
---|
1415 | |
---|
1416 | case 'html5': |
---|
1417 | // if <command> or <menuitem> are not handled by the browser, |
---|
1418 | // or options was a bool true, |
---|
1419 | // initialize $.contextMenu for them |
---|
1420 | if ((!$.support.htmlCommand && !$.support.htmlMenuitem) || (typeof options == "boolean" && options)) { |
---|
1421 | $('menu[type="context"]').each(function() { |
---|
1422 | if (this.id) { |
---|
1423 | $.contextMenu({ |
---|
1424 | selector: '[contextmenu=' + this.id +']', |
---|
1425 | items: $.contextMenu.fromMenu(this) |
---|
1426 | }); |
---|
1427 | } |
---|
1428 | }).css('display', 'none'); |
---|
1429 | } |
---|
1430 | break; |
---|
1431 | |
---|
1432 | default: |
---|
1433 | throw new Error('Unknown operation "' + operation + '"'); |
---|
1434 | } |
---|
1435 | |
---|
1436 | return this; |
---|
1437 | }; |
---|
1438 | |
---|
1439 | // import values into <input> commands |
---|
1440 | $.contextMenu.setInputValues = function(opt, data) { |
---|
1441 | if (data === undefined) { |
---|
1442 | data = {}; |
---|
1443 | } |
---|
1444 | |
---|
1445 | $.each(opt.inputs, function(key, item) { |
---|
1446 | switch (item.type) { |
---|
1447 | case 'text': |
---|
1448 | case 'textarea': |
---|
1449 | item.value = data[key] || ""; |
---|
1450 | break; |
---|
1451 | |
---|
1452 | case 'checkbox': |
---|
1453 | item.selected = data[key] ? true : false; |
---|
1454 | break; |
---|
1455 | |
---|
1456 | case 'radio': |
---|
1457 | item.selected = (data[item.radio] || "") == item.value ? true : false; |
---|
1458 | break; |
---|
1459 | |
---|
1460 | case 'select': |
---|
1461 | item.selected = data[key] || ""; |
---|
1462 | break; |
---|
1463 | } |
---|
1464 | }); |
---|
1465 | }; |
---|
1466 | |
---|
1467 | // export values from <input> commands |
---|
1468 | $.contextMenu.getInputValues = function(opt, data) { |
---|
1469 | if (data === undefined) { |
---|
1470 | data = {}; |
---|
1471 | } |
---|
1472 | |
---|
1473 | $.each(opt.inputs, function(key, item) { |
---|
1474 | switch (item.type) { |
---|
1475 | case 'text': |
---|
1476 | case 'textarea': |
---|
1477 | case 'select': |
---|
1478 | data[key] = item.$input.val(); |
---|
1479 | break; |
---|
1480 | |
---|
1481 | case 'checkbox': |
---|
1482 | data[key] = item.$input.prop('checked'); |
---|
1483 | break; |
---|
1484 | |
---|
1485 | case 'radio': |
---|
1486 | if (item.$input.prop('checked')) { |
---|
1487 | data[item.radio] = item.value; |
---|
1488 | } |
---|
1489 | break; |
---|
1490 | } |
---|
1491 | }); |
---|
1492 | |
---|
1493 | return data; |
---|
1494 | }; |
---|
1495 | |
---|
1496 | // find <label for="xyz"> |
---|
1497 | function inputLabel(node) { |
---|
1498 | return (node.id && $('label[for="'+ node.id +'"]').val()) || node.name; |
---|
1499 | } |
---|
1500 | |
---|
1501 | // convert <menu> to items object |
---|
1502 | function menuChildren(items, $children, counter) { |
---|
1503 | if (!counter) { |
---|
1504 | counter = 0; |
---|
1505 | } |
---|
1506 | |
---|
1507 | $children.each(function() { |
---|
1508 | var $node = $(this), |
---|
1509 | node = this, |
---|
1510 | nodeName = this.nodeName.toLowerCase(), |
---|
1511 | label, |
---|
1512 | item; |
---|
1513 | |
---|
1514 | // extract <label><input> |
---|
1515 | if (nodeName == 'label' && $node.find('input, textarea, select').length) { |
---|
1516 | label = $node.text(); |
---|
1517 | $node = $node.children().first(); |
---|
1518 | node = $node.get(0); |
---|
1519 | nodeName = node.nodeName.toLowerCase(); |
---|
1520 | } |
---|
1521 | |
---|
1522 | /* |
---|
1523 | * <menu> accepts flow-content as children. that means <embed>, <canvas> and such are valid menu items. |
---|
1524 | * Not being the sadistic kind, $.contextMenu only accepts: |
---|
1525 | * <command>, <menuitem>, <hr>, <span>, <p> <input [text, radio, checkbox]>, <textarea>, <select> and of course <menu>. |
---|
1526 | * Everything else will be imported as an html node, which is not interfaced with contextMenu. |
---|
1527 | */ |
---|
1528 | |
---|
1529 | // http://www.whatwg.org/specs/web-apps/current-work/multipage/commands.html#concept-command |
---|
1530 | switch (nodeName) { |
---|
1531 | // http://www.whatwg.org/specs/web-apps/current-work/multipage/interactive-elements.html#the-menu-element |
---|
1532 | case 'menu': |
---|
1533 | item = {name: $node.attr('label'), items: {}}; |
---|
1534 | counter = menuChildren(item.items, $node.children(), counter); |
---|
1535 | break; |
---|
1536 | |
---|
1537 | // http://www.whatwg.org/specs/web-apps/current-work/multipage/commands.html#using-the-a-element-to-define-a-command |
---|
1538 | case 'a': |
---|
1539 | // http://www.whatwg.org/specs/web-apps/current-work/multipage/commands.html#using-the-button-element-to-define-a-command |
---|
1540 | case 'button': |
---|
1541 | item = { |
---|
1542 | name: $node.text(), |
---|
1543 | disabled: !!$node.attr('disabled'), |
---|
1544 | callback: (function(){ return function(){ $node.click(); }; })() |
---|
1545 | }; |
---|
1546 | break; |
---|
1547 | |
---|
1548 | // http://www.whatwg.org/specs/web-apps/current-work/multipage/commands.html#using-the-command-element-to-define-a-command |
---|
1549 | |
---|
1550 | case 'menuitem': |
---|
1551 | case 'command': |
---|
1552 | switch ($node.attr('type')) { |
---|
1553 | case undefined: |
---|
1554 | case 'command': |
---|
1555 | case 'menuitem': |
---|
1556 | item = { |
---|
1557 | name: $node.attr('label'), |
---|
1558 | disabled: !!$node.attr('disabled'), |
---|
1559 | callback: (function(){ return function(){ $node.click(); }; })() |
---|
1560 | }; |
---|
1561 | break; |
---|
1562 | |
---|
1563 | case 'checkbox': |
---|
1564 | item = { |
---|
1565 | type: 'checkbox', |
---|
1566 | disabled: !!$node.attr('disabled'), |
---|
1567 | name: $node.attr('label'), |
---|
1568 | selected: !!$node.attr('checked') |
---|
1569 | }; |
---|
1570 | break; |
---|
1571 | |
---|
1572 | case 'radio': |
---|
1573 | item = { |
---|
1574 | type: 'radio', |
---|
1575 | disabled: !!$node.attr('disabled'), |
---|
1576 | name: $node.attr('label'), |
---|
1577 | radio: $node.attr('radiogroup'), |
---|
1578 | value: $node.attr('id'), |
---|
1579 | selected: !!$node.attr('checked') |
---|
1580 | }; |
---|
1581 | break; |
---|
1582 | |
---|
1583 | default: |
---|
1584 | item = undefined; |
---|
1585 | } |
---|
1586 | break; |
---|
1587 | |
---|
1588 | case 'hr': |
---|
1589 | item = '-------'; |
---|
1590 | break; |
---|
1591 | |
---|
1592 | case 'input': |
---|
1593 | switch ($node.attr('type')) { |
---|
1594 | case 'text': |
---|
1595 | item = { |
---|
1596 | type: 'text', |
---|
1597 | name: label || inputLabel(node), |
---|
1598 | disabled: !!$node.attr('disabled'), |
---|
1599 | value: $node.val() |
---|
1600 | }; |
---|
1601 | break; |
---|
1602 | |
---|
1603 | case 'checkbox': |
---|
1604 | item = { |
---|
1605 | type: 'checkbox', |
---|
1606 | name: label || inputLabel(node), |
---|
1607 | disabled: !!$node.attr('disabled'), |
---|
1608 | selected: !!$node.attr('checked') |
---|
1609 | }; |
---|
1610 | break; |
---|
1611 | |
---|
1612 | case 'radio': |
---|
1613 | item = { |
---|
1614 | type: 'radio', |
---|
1615 | name: label || inputLabel(node), |
---|
1616 | disabled: !!$node.attr('disabled'), |
---|
1617 | radio: !!$node.attr('name'), |
---|
1618 | value: $node.val(), |
---|
1619 | selected: !!$node.attr('checked') |
---|
1620 | }; |
---|
1621 | break; |
---|
1622 | |
---|
1623 | default: |
---|
1624 | item = undefined; |
---|
1625 | break; |
---|
1626 | } |
---|
1627 | break; |
---|
1628 | |
---|
1629 | case 'select': |
---|
1630 | item = { |
---|
1631 | type: 'select', |
---|
1632 | name: label || inputLabel(node), |
---|
1633 | disabled: !!$node.attr('disabled'), |
---|
1634 | selected: $node.val(), |
---|
1635 | options: {} |
---|
1636 | }; |
---|
1637 | $node.children().each(function(){ |
---|
1638 | item.options[this.value] = $(this).text(); |
---|
1639 | }); |
---|
1640 | break; |
---|
1641 | |
---|
1642 | case 'textarea': |
---|
1643 | item = { |
---|
1644 | type: 'textarea', |
---|
1645 | name: label || inputLabel(node), |
---|
1646 | disabled: !!$node.attr('disabled'), |
---|
1647 | value: $node.val() |
---|
1648 | }; |
---|
1649 | break; |
---|
1650 | |
---|
1651 | case 'label': |
---|
1652 | break; |
---|
1653 | |
---|
1654 | default: |
---|
1655 | item = {type: 'html', html: $node.clone(true)}; |
---|
1656 | break; |
---|
1657 | } |
---|
1658 | |
---|
1659 | if (item) { |
---|
1660 | counter++; |
---|
1661 | items['key' + counter] = item; |
---|
1662 | } |
---|
1663 | }); |
---|
1664 | |
---|
1665 | return counter; |
---|
1666 | } |
---|
1667 | |
---|
1668 | // convert html5 menu |
---|
1669 | $.contextMenu.fromMenu = function(element) { |
---|
1670 | var $this = $(element), |
---|
1671 | items = {}; |
---|
1672 | |
---|
1673 | menuChildren(items, $this.children()); |
---|
1674 | |
---|
1675 | return items; |
---|
1676 | }; |
---|
1677 | |
---|
1678 | // make defaults accessible |
---|
1679 | $.contextMenu.defaults = defaults; |
---|
1680 | $.contextMenu.types = types; |
---|
1681 | // export internal functions - undocumented, for hacking only! |
---|
1682 | $.contextMenu.handle = handle; |
---|
1683 | $.contextMenu.op = op; |
---|
1684 | $.contextMenu.menus = menus; |
---|
1685 | |
---|
1686 | })(jQuery); |
---|