[290] | 1 | // Chosen, a Select Box Enhancer for jQuery and Prototype |
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| 2 | // by Patrick Filler for Harvest, http://getharvest.com |
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| 3 | // |
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| 4 | // Version 1.0.0 |
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| 5 | // Full source at https://github.com/harvesthq/chosen |
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| 6 | // Copyright (c) 2011 Harvest http://getharvest.com |
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| 7 | |
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| 8 | // MIT License, https://github.com/harvesthq/chosen/blob/master/LICENSE.md |
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| 9 | // This file is generated by `grunt build`, do not edit it by hand. |
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| 10 | (function() { |
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| 11 | var $, AbstractChosen, Chosen, SelectParser, _ref, |
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| 12 | __hasProp = {}.hasOwnProperty, |
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| 13 | __extends = function(child, parent) { for (var key in parent) { if (__hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; }; |
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| 14 | |
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| 15 | SelectParser = (function() { |
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| 16 | function SelectParser() { |
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| 17 | this.options_index = 0; |
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| 18 | this.parsed = []; |
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| 19 | } |
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| 20 | |
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| 21 | SelectParser.prototype.add_node = function(child) { |
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| 22 | if (child.nodeName.toUpperCase() === "OPTGROUP") { |
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| 23 | return this.add_group(child); |
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| 24 | } else { |
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| 25 | return this.add_option(child); |
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| 26 | } |
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| 27 | }; |
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| 28 | |
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| 29 | SelectParser.prototype.add_group = function(group) { |
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| 30 | var group_position, option, _i, _len, _ref, _results; |
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| 31 | |
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| 32 | group_position = this.parsed.length; |
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| 33 | this.parsed.push({ |
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| 34 | array_index: group_position, |
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| 35 | group: true, |
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| 36 | label: this.escapeExpression(group.label), |
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| 37 | children: 0, |
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| 38 | disabled: group.disabled |
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| 39 | }); |
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| 40 | _ref = group.childNodes; |
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| 41 | _results = []; |
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| 42 | for (_i = 0, _len = _ref.length; _i < _len; _i++) { |
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| 43 | option = _ref[_i]; |
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| 44 | _results.push(this.add_option(option, group_position, group.disabled)); |
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| 45 | } |
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| 46 | return _results; |
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| 47 | }; |
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| 48 | |
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| 49 | SelectParser.prototype.add_option = function(option, group_position, group_disabled) { |
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| 50 | if (option.nodeName.toUpperCase() === "OPTION") { |
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| 51 | if (option.text !== "") { |
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| 52 | if (group_position != null) { |
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| 53 | this.parsed[group_position].children += 1; |
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| 54 | } |
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| 55 | this.parsed.push({ |
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| 56 | array_index: this.parsed.length, |
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| 57 | options_index: this.options_index, |
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| 58 | value: option.value, |
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| 59 | text: option.text, |
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| 60 | html: option.innerHTML, |
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| 61 | selected: option.selected, |
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| 62 | disabled: group_disabled === true ? group_disabled : option.disabled, |
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| 63 | group_array_index: group_position, |
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| 64 | classes: option.className, |
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| 65 | style: option.style.cssText |
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| 66 | }); |
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| 67 | } else { |
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| 68 | this.parsed.push({ |
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| 69 | array_index: this.parsed.length, |
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| 70 | options_index: this.options_index, |
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| 71 | empty: true |
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| 72 | }); |
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| 73 | } |
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| 74 | return this.options_index += 1; |
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| 75 | } |
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| 76 | }; |
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| 77 | |
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| 78 | SelectParser.prototype.escapeExpression = function(text) { |
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| 79 | var map, unsafe_chars; |
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| 80 | |
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| 81 | if ((text == null) || text === false) { |
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| 82 | return ""; |
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| 83 | } |
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| 84 | if (!/[\&\<\>\"\'\`]/.test(text)) { |
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| 85 | return text; |
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| 86 | } |
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| 87 | map = { |
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| 88 | "<": "<", |
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| 89 | ">": ">", |
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| 90 | '"': """, |
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| 91 | "'": "'", |
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| 92 | "`": "`" |
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| 93 | }; |
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| 94 | unsafe_chars = /&(?!\w+;)|[\<\>\"\'\`]/g; |
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| 95 | return text.replace(unsafe_chars, function(chr) { |
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| 96 | return map[chr] || "&"; |
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| 97 | }); |
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| 98 | }; |
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| 99 | |
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| 100 | return SelectParser; |
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| 101 | |
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| 102 | })(); |
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| 103 | |
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| 104 | SelectParser.select_to_array = function(select) { |
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| 105 | var child, parser, _i, _len, _ref; |
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| 106 | |
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| 107 | parser = new SelectParser(); |
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| 108 | _ref = select.childNodes; |
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| 109 | for (_i = 0, _len = _ref.length; _i < _len; _i++) { |
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| 110 | child = _ref[_i]; |
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| 111 | parser.add_node(child); |
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| 112 | } |
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| 113 | return parser.parsed; |
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| 114 | }; |
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| 115 | |
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| 116 | AbstractChosen = (function() { |
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| 117 | function AbstractChosen(form_field, options) { |
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| 118 | this.form_field = form_field; |
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| 119 | this.options = options != null ? options : {}; |
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| 120 | if (!AbstractChosen.browser_is_supported()) { |
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| 121 | return; |
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| 122 | } |
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| 123 | this.is_multiple = this.form_field.multiple; |
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| 124 | this.set_default_text(); |
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| 125 | this.set_default_values(); |
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| 126 | this.setup(); |
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| 127 | this.set_up_html(); |
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| 128 | this.register_observers(); |
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| 129 | } |
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| 130 | |
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| 131 | AbstractChosen.prototype.set_default_values = function() { |
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| 132 | var _this = this; |
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| 133 | |
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| 134 | this.click_test_action = function(evt) { |
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| 135 | return _this.test_active_click(evt); |
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| 136 | }; |
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| 137 | this.activate_action = function(evt) { |
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| 138 | return _this.activate_field(evt); |
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| 139 | }; |
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| 140 | this.active_field = false; |
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| 141 | this.mouse_on_container = false; |
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| 142 | this.results_showing = false; |
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| 143 | this.result_highlighted = null; |
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| 144 | this.result_single_selected = null; |
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| 145 | this.allow_single_deselect = (this.options.allow_single_deselect != null) && (this.form_field.options[0] != null) && this.form_field.options[0].text === "" ? this.options.allow_single_deselect : false; |
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| 146 | this.disable_search_threshold = this.options.disable_search_threshold || 0; |
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| 147 | this.disable_search = this.options.disable_search || false; |
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| 148 | this.enable_split_word_search = this.options.enable_split_word_search != null ? this.options.enable_split_word_search : true; |
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| 149 | this.group_search = this.options.group_search != null ? this.options.group_search : true; |
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| 150 | this.search_contains = this.options.search_contains || false; |
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| 151 | this.single_backstroke_delete = this.options.single_backstroke_delete != null ? this.options.single_backstroke_delete : true; |
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| 152 | this.max_selected_options = this.options.max_selected_options || Infinity; |
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| 153 | this.inherit_select_classes = this.options.inherit_select_classes || false; |
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| 154 | this.display_selected_options = this.options.display_selected_options != null ? this.options.display_selected_options : true; |
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| 155 | return this.display_disabled_options = this.options.display_disabled_options != null ? this.options.display_disabled_options : true; |
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| 156 | }; |
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| 157 | |
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| 158 | AbstractChosen.prototype.set_default_text = function() { |
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| 159 | if (this.form_field.getAttribute("data-placeholder")) { |
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| 160 | this.default_text = this.form_field.getAttribute("data-placeholder"); |
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| 161 | } else if (this.is_multiple) { |
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| 162 | this.default_text = this.options.placeholder_text_multiple || this.options.placeholder_text || AbstractChosen.default_multiple_text; |
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| 163 | } else { |
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| 164 | this.default_text = this.options.placeholder_text_single || this.options.placeholder_text || AbstractChosen.default_single_text; |
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| 165 | } |
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| 166 | return this.results_none_found = this.form_field.getAttribute("data-no_results_text") || this.options.no_results_text || AbstractChosen.default_no_result_text; |
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| 167 | }; |
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| 168 | |
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| 169 | AbstractChosen.prototype.mouse_enter = function() { |
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| 170 | return this.mouse_on_container = true; |
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| 171 | }; |
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| 172 | |
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| 173 | AbstractChosen.prototype.mouse_leave = function() { |
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| 174 | return this.mouse_on_container = false; |
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| 175 | }; |
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| 176 | |
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| 177 | AbstractChosen.prototype.input_focus = function(evt) { |
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| 178 | var _this = this; |
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| 179 | |
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| 180 | if (this.is_multiple) { |
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| 181 | if (!this.active_field) { |
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| 182 | return setTimeout((function() { |
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| 183 | return _this.container_mousedown(); |
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| 184 | }), 50); |
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| 185 | } |
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| 186 | } else { |
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| 187 | if (!this.active_field) { |
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| 188 | return this.activate_field(); |
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| 189 | } |
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| 190 | } |
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| 191 | }; |
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| 192 | |
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| 193 | AbstractChosen.prototype.input_blur = function(evt) { |
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| 194 | var _this = this; |
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| 195 | |
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| 196 | if (!this.mouse_on_container) { |
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| 197 | this.active_field = false; |
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| 198 | return setTimeout((function() { |
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| 199 | return _this.blur_test(); |
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| 200 | }), 100); |
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| 201 | } |
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| 202 | }; |
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| 203 | |
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| 204 | AbstractChosen.prototype.results_option_build = function(options) { |
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| 205 | var content, data, _i, _len, _ref; |
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| 206 | |
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| 207 | content = ''; |
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| 208 | _ref = this.results_data; |
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| 209 | for (_i = 0, _len = _ref.length; _i < _len; _i++) { |
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| 210 | data = _ref[_i]; |
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| 211 | if (data.group) { |
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| 212 | content += this.result_add_group(data); |
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| 213 | } else { |
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| 214 | content += this.result_add_option(data); |
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| 215 | } |
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| 216 | if (options != null ? options.first : void 0) { |
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| 217 | if (data.selected && this.is_multiple) { |
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| 218 | this.choice_build(data); |
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| 219 | } else if (data.selected && !this.is_multiple) { |
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| 220 | this.single_set_selected_text(data.text); |
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| 221 | } |
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| 222 | } |
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| 223 | } |
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| 224 | return content; |
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| 225 | }; |
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| 226 | |
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| 227 | AbstractChosen.prototype.result_add_option = function(option) { |
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| 228 | var classes, style; |
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| 229 | |
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| 230 | if (!option.search_match) { |
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| 231 | return ''; |
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| 232 | } |
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| 233 | if (!this.include_option_in_results(option)) { |
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| 234 | return ''; |
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| 235 | } |
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| 236 | classes = []; |
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| 237 | if (!option.disabled && !(option.selected && this.is_multiple)) { |
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| 238 | classes.push("active-result"); |
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| 239 | } |
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| 240 | if (option.disabled && !(option.selected && this.is_multiple)) { |
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| 241 | classes.push("disabled-result"); |
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| 242 | } |
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| 243 | if (option.selected) { |
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| 244 | classes.push("result-selected"); |
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| 245 | } |
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| 246 | if (option.group_array_index != null) { |
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| 247 | classes.push("group-option"); |
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| 248 | } |
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| 249 | if (option.classes !== "") { |
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| 250 | classes.push(option.classes); |
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| 251 | } |
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| 252 | style = option.style.cssText !== "" ? " style=\"" + option.style + "\"" : ""; |
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| 253 | return "<li class=\"" + (classes.join(' ')) + "\"" + style + " data-option-array-index=\"" + option.array_index + "\">" + option.search_text + "</li>"; |
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| 254 | }; |
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| 255 | |
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| 256 | AbstractChosen.prototype.result_add_group = function(group) { |
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| 257 | if (!(group.search_match || group.group_match)) { |
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| 258 | return ''; |
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| 259 | } |
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| 260 | if (!(group.active_options > 0)) { |
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| 261 | return ''; |
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| 262 | } |
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| 263 | return "<li class=\"group-result\">" + group.search_text + "</li>"; |
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| 264 | }; |
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| 265 | |
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| 266 | AbstractChosen.prototype.results_update_field = function() { |
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| 267 | this.set_default_text(); |
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| 268 | if (!this.is_multiple) { |
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| 269 | this.results_reset_cleanup(); |
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| 270 | } |
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| 271 | this.result_clear_highlight(); |
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| 272 | this.result_single_selected = null; |
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| 273 | this.results_build(); |
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| 274 | if (this.results_showing) { |
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| 275 | return this.winnow_results(); |
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| 276 | } |
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| 277 | }; |
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| 278 | |
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| 279 | AbstractChosen.prototype.results_toggle = function() { |
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| 280 | if (this.results_showing) { |
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| 281 | return this.results_hide(); |
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| 282 | } else { |
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| 283 | return this.results_show(); |
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| 284 | } |
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| 285 | }; |
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| 286 | |
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| 287 | AbstractChosen.prototype.results_search = function(evt) { |
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| 288 | if (this.results_showing) { |
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| 289 | return this.winnow_results(); |
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| 290 | } else { |
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| 291 | return this.results_show(); |
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| 292 | } |
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| 293 | }; |
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| 294 | |
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| 295 | AbstractChosen.prototype.winnow_results = function() { |
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| 296 | var escapedSearchText, option, regex, regexAnchor, results, results_group, searchText, startpos, text, zregex, _i, _len, _ref; |
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| 297 | |
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| 298 | this.no_results_clear(); |
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| 299 | results = 0; |
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| 300 | searchText = this.get_search_text(); |
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| 301 | escapedSearchText = searchText.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&"); |
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| 302 | regexAnchor = this.search_contains ? "" : "^"; |
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| 303 | regex = new RegExp(regexAnchor + escapedSearchText, 'i'); |
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| 304 | zregex = new RegExp(escapedSearchText, 'i'); |
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| 305 | _ref = this.results_data; |
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| 306 | for (_i = 0, _len = _ref.length; _i < _len; _i++) { |
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| 307 | option = _ref[_i]; |
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| 308 | option.search_match = false; |
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| 309 | results_group = null; |
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| 310 | if (this.include_option_in_results(option)) { |
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| 311 | if (option.group) { |
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| 312 | option.group_match = false; |
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| 313 | option.active_options = 0; |
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| 314 | } |
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| 315 | if ((option.group_array_index != null) && this.results_data[option.group_array_index]) { |
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| 316 | results_group = this.results_data[option.group_array_index]; |
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| 317 | if (results_group.active_options === 0 && results_group.search_match) { |
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| 318 | results += 1; |
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| 319 | } |
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| 320 | results_group.active_options += 1; |
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| 321 | } |
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| 322 | if (!(option.group && !this.group_search)) { |
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| 323 | option.search_text = option.group ? option.label : option.html; |
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| 324 | option.search_match = this.search_string_match(option.search_text, regex); |
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| 325 | if (option.search_match && !option.group) { |
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| 326 | results += 1; |
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| 327 | } |
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| 328 | if (option.search_match) { |
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| 329 | if (searchText.length) { |
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| 330 | startpos = option.search_text.search(zregex); |
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| 331 | text = option.search_text.substr(0, startpos + searchText.length) + '</em>' + option.search_text.substr(startpos + searchText.length); |
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| 332 | option.search_text = text.substr(0, startpos) + '<em>' + text.substr(startpos); |
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| 333 | } |
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| 334 | if (results_group != null) { |
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| 335 | results_group.group_match = true; |
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| 336 | } |
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| 337 | } else if ((option.group_array_index != null) && this.results_data[option.group_array_index].search_match) { |
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| 338 | option.search_match = true; |
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| 339 | } |
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| 340 | } |
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| 341 | } |
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| 342 | } |
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| 343 | this.result_clear_highlight(); |
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| 344 | if (results < 1 && searchText.length) { |
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| 345 | this.update_results_content(""); |
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| 346 | return this.no_results(searchText); |
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| 347 | } else { |
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| 348 | this.update_results_content(this.results_option_build()); |
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| 349 | return this.winnow_results_set_highlight(); |
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| 350 | } |
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| 351 | }; |
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| 352 | |
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| 353 | AbstractChosen.prototype.search_string_match = function(search_string, regex) { |
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| 354 | var part, parts, _i, _len; |
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| 355 | |
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| 356 | if (regex.test(search_string)) { |
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| 357 | return true; |
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| 358 | } else if (this.enable_split_word_search && (search_string.indexOf(" ") >= 0 || search_string.indexOf("[") === 0)) { |
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| 359 | parts = search_string.replace(/\[|\]/g, "").split(" "); |
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| 360 | if (parts.length) { |
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| 361 | for (_i = 0, _len = parts.length; _i < _len; _i++) { |
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| 362 | part = parts[_i]; |
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| 363 | if (regex.test(part)) { |
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| 364 | return true; |
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| 365 | } |
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| 366 | } |
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| 367 | } |
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| 368 | } |
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| 369 | }; |
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| 370 | |
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| 371 | AbstractChosen.prototype.choices_count = function() { |
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| 372 | var option, _i, _len, _ref; |
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| 373 | |
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| 374 | if (this.selected_option_count != null) { |
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| 375 | return this.selected_option_count; |
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| 376 | } |
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| 377 | this.selected_option_count = 0; |
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| 378 | _ref = this.form_field.options; |
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| 379 | for (_i = 0, _len = _ref.length; _i < _len; _i++) { |
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| 380 | option = _ref[_i]; |
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| 381 | if (option.selected) { |
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| 382 | this.selected_option_count += 1; |
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| 383 | } |
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| 384 | } |
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| 385 | return this.selected_option_count; |
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| 386 | }; |
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| 387 | |
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| 388 | AbstractChosen.prototype.choices_click = function(evt) { |
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| 389 | evt.preventDefault(); |
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| 390 | if (!(this.results_showing || this.is_disabled)) { |
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| 391 | return this.results_show(); |
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| 392 | } |
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| 393 | }; |
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| 394 | |
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| 395 | AbstractChosen.prototype.keyup_checker = function(evt) { |
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| 396 | var stroke, _ref; |
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| 397 | |
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| 398 | stroke = (_ref = evt.which) != null ? _ref : evt.keyCode; |
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| 399 | this.search_field_scale(); |
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| 400 | switch (stroke) { |
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| 401 | case 8: |
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| 402 | if (this.is_multiple && this.backstroke_length < 1 && this.choices_count() > 0) { |
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| 403 | return this.keydown_backstroke(); |
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| 404 | } else if (!this.pending_backstroke) { |
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| 405 | this.result_clear_highlight(); |
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| 406 | return this.results_search(); |
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| 407 | } |
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| 408 | break; |
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| 409 | case 13: |
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| 410 | evt.preventDefault(); |
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| 411 | if (this.results_showing) { |
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| 412 | return this.result_select(evt); |
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| 413 | } |
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| 414 | break; |
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| 415 | case 27: |
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| 416 | if (this.results_showing) { |
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| 417 | this.results_hide(); |
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| 418 | } |
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| 419 | return true; |
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| 420 | case 9: |
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| 421 | case 38: |
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| 422 | case 40: |
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| 423 | case 16: |
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| 424 | case 91: |
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| 425 | case 17: |
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| 426 | break; |
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| 427 | default: |
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| 428 | return this.results_search(); |
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| 429 | } |
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| 430 | }; |
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| 431 | |
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| 432 | AbstractChosen.prototype.container_width = function() { |
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| 433 | if (this.options.width != null) { |
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| 434 | return this.options.width; |
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| 435 | } else { |
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| 436 | return "" + this.form_field.offsetWidth + "px"; |
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| 437 | } |
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| 438 | }; |
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| 439 | |
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| 440 | AbstractChosen.prototype.include_option_in_results = function(option) { |
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| 441 | if (this.is_multiple && (!this.display_selected_options && option.selected)) { |
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| 442 | return false; |
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| 443 | } |
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| 444 | if (!this.display_disabled_options && option.disabled) { |
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| 445 | return false; |
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| 446 | } |
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| 447 | if (option.empty) { |
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| 448 | return false; |
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| 449 | } |
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| 450 | return true; |
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| 451 | }; |
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| 452 | |
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| 453 | AbstractChosen.browser_is_supported = function() { |
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| 454 | if (window.navigator.appName === "Microsoft Internet Explorer") { |
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| 455 | return document.documentMode >= 8; |
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| 456 | } |
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| 457 | if (/iP(od|hone)/i.test(window.navigator.userAgent)) { |
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| 458 | return false; |
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| 459 | } |
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| 460 | if (/Android/i.test(window.navigator.userAgent)) { |
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| 461 | if (/Mobile/i.test(window.navigator.userAgent)) { |
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| 462 | return false; |
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| 463 | } |
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| 464 | } |
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| 465 | return true; |
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| 466 | }; |
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| 467 | |
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| 468 | AbstractChosen.default_multiple_text = "Select Some Options"; |
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| 469 | |
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| 470 | AbstractChosen.default_single_text = "Select an Option"; |
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| 471 | |
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| 472 | AbstractChosen.default_no_result_text = "No results match"; |
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| 473 | |
---|
| 474 | return AbstractChosen; |
---|
| 475 | |
---|
| 476 | })(); |
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| 477 | |
---|
| 478 | $ = jQuery; |
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| 479 | |
---|
| 480 | $.fn.extend({ |
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| 481 | chosen: function(options) { |
---|
| 482 | if (!AbstractChosen.browser_is_supported()) { |
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| 483 | return this; |
---|
| 484 | } |
---|
| 485 | return this.each(function(input_field) { |
---|
| 486 | var $this, chosen; |
---|
| 487 | |
---|
| 488 | $this = $(this); |
---|
| 489 | chosen = $this.data('chosen'); |
---|
| 490 | if (options === 'destroy' && chosen) { |
---|
| 491 | chosen.destroy(); |
---|
| 492 | } else if (!chosen) { |
---|
| 493 | $this.data('chosen', new Chosen(this, options)); |
---|
| 494 | } |
---|
| 495 | }); |
---|
| 496 | } |
---|
| 497 | }); |
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| 498 | |
---|
| 499 | Chosen = (function(_super) { |
---|
| 500 | __extends(Chosen, _super); |
---|
| 501 | |
---|
| 502 | function Chosen() { |
---|
| 503 | _ref = Chosen.__super__.constructor.apply(this, arguments); |
---|
| 504 | return _ref; |
---|
| 505 | } |
---|
| 506 | |
---|
| 507 | Chosen.prototype.setup = function() { |
---|
| 508 | this.form_field_jq = $(this.form_field); |
---|
| 509 | this.current_selectedIndex = this.form_field.selectedIndex; |
---|
| 510 | return this.is_rtl = this.form_field_jq.hasClass("chosen-rtl"); |
---|
| 511 | }; |
---|
| 512 | |
---|
| 513 | Chosen.prototype.set_up_html = function() { |
---|
| 514 | var container_classes, container_props; |
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| 515 | |
---|
| 516 | container_classes = ["chosen-container"]; |
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| 517 | container_classes.push("chosen-container-" + (this.is_multiple ? "multi" : "single")); |
---|
| 518 | if (this.inherit_select_classes && this.form_field.className) { |
---|
| 519 | container_classes.push(this.form_field.className); |
---|
| 520 | } |
---|
| 521 | if (this.is_rtl) { |
---|
| 522 | container_classes.push("chosen-rtl"); |
---|
| 523 | } |
---|
| 524 | container_props = { |
---|
| 525 | 'class': container_classes.join(' '), |
---|
| 526 | 'style': "width: " + (this.container_width()) + ";", |
---|
| 527 | 'title': this.form_field.title |
---|
| 528 | }; |
---|
| 529 | if (this.form_field.id.length) { |
---|
| 530 | container_props.id = this.form_field.id.replace(/[^\w]/g, '_') + "_chosen"; |
---|
| 531 | } |
---|
| 532 | this.container = $("<div />", container_props); |
---|
| 533 | if (this.is_multiple) { |
---|
| 534 | this.container.html('<ul class="chosen-choices"><li class="search-field"><input type="text" value="' + this.default_text + '" class="default" autocomplete="off" style="width:25px;" /></li></ul><div class="chosen-drop"><ul class="chosen-results"></ul></div>'); |
---|
| 535 | } else { |
---|
| 536 | this.container.html('<a class="chosen-single chosen-default" tabindex="-1"><span>' + this.default_text + '</span><div><b></b></div></a><div class="chosen-drop"><div class="chosen-search"><input type="text" autocomplete="off" /></div><ul class="chosen-results"></ul></div>'); |
---|
| 537 | } |
---|
| 538 | this.form_field_jq.hide().after(this.container); |
---|
| 539 | this.dropdown = this.container.find('div.chosen-drop').first(); |
---|
| 540 | this.search_field = this.container.find('input').first(); |
---|
| 541 | this.search_results = this.container.find('ul.chosen-results').first(); |
---|
| 542 | this.search_field_scale(); |
---|
| 543 | this.search_no_results = this.container.find('li.no-results').first(); |
---|
| 544 | if (this.is_multiple) { |
---|
| 545 | this.search_choices = this.container.find('ul.chosen-choices').first(); |
---|
| 546 | this.search_container = this.container.find('li.search-field').first(); |
---|
| 547 | } else { |
---|
| 548 | this.search_container = this.container.find('div.chosen-search').first(); |
---|
| 549 | this.selected_item = this.container.find('.chosen-single').first(); |
---|
| 550 | } |
---|
| 551 | this.results_build(); |
---|
| 552 | this.set_tab_index(); |
---|
| 553 | this.set_label_behavior(); |
---|
| 554 | return this.form_field_jq.trigger("chosen:ready", { |
---|
| 555 | chosen: this |
---|
| 556 | }); |
---|
| 557 | }; |
---|
| 558 | |
---|
| 559 | Chosen.prototype.register_observers = function() { |
---|
| 560 | var _this = this; |
---|
| 561 | |
---|
| 562 | this.container.bind('mousedown.chosen', function(evt) { |
---|
| 563 | _this.container_mousedown(evt); |
---|
| 564 | }); |
---|
| 565 | this.container.bind('mouseup.chosen', function(evt) { |
---|
| 566 | _this.container_mouseup(evt); |
---|
| 567 | }); |
---|
| 568 | this.container.bind('mouseenter.chosen', function(evt) { |
---|
| 569 | _this.mouse_enter(evt); |
---|
| 570 | }); |
---|
| 571 | this.container.bind('mouseleave.chosen', function(evt) { |
---|
| 572 | _this.mouse_leave(evt); |
---|
| 573 | }); |
---|
| 574 | this.search_results.bind('mouseup.chosen', function(evt) { |
---|
| 575 | _this.search_results_mouseup(evt); |
---|
| 576 | }); |
---|
| 577 | this.search_results.bind('mouseover.chosen', function(evt) { |
---|
| 578 | _this.search_results_mouseover(evt); |
---|
| 579 | }); |
---|
| 580 | this.search_results.bind('mouseout.chosen', function(evt) { |
---|
| 581 | _this.search_results_mouseout(evt); |
---|
| 582 | }); |
---|
| 583 | this.search_results.bind('mousewheel.chosen DOMMouseScroll.chosen', function(evt) { |
---|
| 584 | _this.search_results_mousewheel(evt); |
---|
| 585 | }); |
---|
| 586 | this.form_field_jq.bind("chosen:updated.chosen", function(evt) { |
---|
| 587 | _this.results_update_field(evt); |
---|
| 588 | }); |
---|
| 589 | this.form_field_jq.bind("chosen:activate.chosen", function(evt) { |
---|
| 590 | _this.activate_field(evt); |
---|
| 591 | }); |
---|
| 592 | this.form_field_jq.bind("chosen:open.chosen", function(evt) { |
---|
| 593 | _this.container_mousedown(evt); |
---|
| 594 | }); |
---|
| 595 | this.search_field.bind('blur.chosen', function(evt) { |
---|
| 596 | _this.input_blur(evt); |
---|
| 597 | }); |
---|
| 598 | this.search_field.bind('keyup.chosen', function(evt) { |
---|
| 599 | _this.keyup_checker(evt); |
---|
| 600 | }); |
---|
| 601 | this.search_field.bind('keydown.chosen', function(evt) { |
---|
| 602 | _this.keydown_checker(evt); |
---|
| 603 | }); |
---|
| 604 | this.search_field.bind('focus.chosen', function(evt) { |
---|
| 605 | _this.input_focus(evt); |
---|
| 606 | }); |
---|
| 607 | if (this.is_multiple) { |
---|
| 608 | return this.search_choices.bind('click.chosen', function(evt) { |
---|
| 609 | _this.choices_click(evt); |
---|
| 610 | }); |
---|
| 611 | } else { |
---|
| 612 | return this.container.bind('click.chosen', function(evt) { |
---|
| 613 | evt.preventDefault(); |
---|
| 614 | }); |
---|
| 615 | } |
---|
| 616 | }; |
---|
| 617 | |
---|
| 618 | Chosen.prototype.destroy = function() { |
---|
| 619 | $(document).unbind("click.chosen", this.click_test_action); |
---|
| 620 | if (this.search_field[0].tabIndex) { |
---|
| 621 | this.form_field_jq[0].tabIndex = this.search_field[0].tabIndex; |
---|
| 622 | } |
---|
| 623 | this.container.remove(); |
---|
| 624 | this.form_field_jq.removeData('chosen'); |
---|
| 625 | return this.form_field_jq.show(); |
---|
| 626 | }; |
---|
| 627 | |
---|
| 628 | Chosen.prototype.search_field_disabled = function() { |
---|
| 629 | this.is_disabled = this.form_field_jq[0].disabled; |
---|
| 630 | if (this.is_disabled) { |
---|
| 631 | this.container.addClass('chosen-disabled'); |
---|
| 632 | this.search_field[0].disabled = true; |
---|
| 633 | if (!this.is_multiple) { |
---|
| 634 | this.selected_item.unbind("focus.chosen", this.activate_action); |
---|
| 635 | } |
---|
| 636 | return this.close_field(); |
---|
| 637 | } else { |
---|
| 638 | this.container.removeClass('chosen-disabled'); |
---|
| 639 | this.search_field[0].disabled = false; |
---|
| 640 | if (!this.is_multiple) { |
---|
| 641 | return this.selected_item.bind("focus.chosen", this.activate_action); |
---|
| 642 | } |
---|
| 643 | } |
---|
| 644 | }; |
---|
| 645 | |
---|
| 646 | Chosen.prototype.container_mousedown = function(evt) { |
---|
| 647 | if (!this.is_disabled) { |
---|
| 648 | if (evt && evt.type === "mousedown" && !this.results_showing) { |
---|
| 649 | evt.preventDefault(); |
---|
| 650 | } |
---|
| 651 | if (!((evt != null) && ($(evt.target)).hasClass("search-choice-close"))) { |
---|
| 652 | if (!this.active_field) { |
---|
| 653 | if (this.is_multiple) { |
---|
| 654 | this.search_field.val(""); |
---|
| 655 | } |
---|
| 656 | $(document).bind('click.chosen', this.click_test_action); |
---|
| 657 | this.results_show(); |
---|
| 658 | } else if (!this.is_multiple && evt && (($(evt.target)[0] === this.selected_item[0]) || $(evt.target).parents("a.chosen-single").length)) { |
---|
| 659 | evt.preventDefault(); |
---|
| 660 | this.results_toggle(); |
---|
| 661 | } |
---|
| 662 | return this.activate_field(); |
---|
| 663 | } |
---|
| 664 | } |
---|
| 665 | }; |
---|
| 666 | |
---|
| 667 | Chosen.prototype.container_mouseup = function(evt) { |
---|
| 668 | if (evt.target.nodeName === "ABBR" && !this.is_disabled) { |
---|
| 669 | return this.results_reset(evt); |
---|
| 670 | } |
---|
| 671 | }; |
---|
| 672 | |
---|
| 673 | Chosen.prototype.search_results_mousewheel = function(evt) { |
---|
| 674 | var delta, _ref1, _ref2; |
---|
| 675 | |
---|
| 676 | delta = -((_ref1 = evt.originalEvent) != null ? _ref1.wheelDelta : void 0) || ((_ref2 = evt.originialEvent) != null ? _ref2.detail : void 0); |
---|
| 677 | if (delta != null) { |
---|
| 678 | evt.preventDefault(); |
---|
| 679 | if (evt.type === 'DOMMouseScroll') { |
---|
| 680 | delta = delta * 40; |
---|
| 681 | } |
---|
| 682 | return this.search_results.scrollTop(delta + this.search_results.scrollTop()); |
---|
| 683 | } |
---|
| 684 | }; |
---|
| 685 | |
---|
| 686 | Chosen.prototype.blur_test = function(evt) { |
---|
| 687 | if (!this.active_field && this.container.hasClass("chosen-container-active")) { |
---|
| 688 | return this.close_field(); |
---|
| 689 | } |
---|
| 690 | }; |
---|
| 691 | |
---|
| 692 | Chosen.prototype.close_field = function() { |
---|
| 693 | $(document).unbind("click.chosen", this.click_test_action); |
---|
| 694 | this.active_field = false; |
---|
| 695 | this.results_hide(); |
---|
| 696 | this.container.removeClass("chosen-container-active"); |
---|
| 697 | this.clear_backstroke(); |
---|
| 698 | this.show_search_field_default(); |
---|
| 699 | return this.search_field_scale(); |
---|
| 700 | }; |
---|
| 701 | |
---|
| 702 | Chosen.prototype.activate_field = function() { |
---|
| 703 | this.container.addClass("chosen-container-active"); |
---|
| 704 | this.active_field = true; |
---|
| 705 | this.search_field.val(this.search_field.val()); |
---|
| 706 | return this.search_field.focus(); |
---|
| 707 | }; |
---|
| 708 | |
---|
| 709 | Chosen.prototype.test_active_click = function(evt) { |
---|
| 710 | if (this.container.is($(evt.target).closest('.chosen-container'))) { |
---|
| 711 | return this.active_field = true; |
---|
| 712 | } else { |
---|
| 713 | return this.close_field(); |
---|
| 714 | } |
---|
| 715 | }; |
---|
| 716 | |
---|
| 717 | Chosen.prototype.results_build = function() { |
---|
| 718 | this.parsing = true; |
---|
| 719 | this.selected_option_count = null; |
---|
| 720 | this.results_data = SelectParser.select_to_array(this.form_field); |
---|
| 721 | if (this.is_multiple) { |
---|
| 722 | this.search_choices.find("li.search-choice").remove(); |
---|
| 723 | } else if (!this.is_multiple) { |
---|
| 724 | this.single_set_selected_text(); |
---|
| 725 | if (this.disable_search || this.form_field.options.length <= this.disable_search_threshold) { |
---|
| 726 | this.search_field[0].readOnly = true; |
---|
| 727 | this.container.addClass("chosen-container-single-nosearch"); |
---|
| 728 | } else { |
---|
| 729 | this.search_field[0].readOnly = false; |
---|
| 730 | this.container.removeClass("chosen-container-single-nosearch"); |
---|
| 731 | } |
---|
| 732 | } |
---|
| 733 | this.update_results_content(this.results_option_build({ |
---|
| 734 | first: true |
---|
| 735 | })); |
---|
| 736 | this.search_field_disabled(); |
---|
| 737 | this.show_search_field_default(); |
---|
| 738 | this.search_field_scale(); |
---|
| 739 | return this.parsing = false; |
---|
| 740 | }; |
---|
| 741 | |
---|
| 742 | Chosen.prototype.result_do_highlight = function(el) { |
---|
| 743 | var high_bottom, high_top, maxHeight, visible_bottom, visible_top; |
---|
| 744 | |
---|
| 745 | if (el.length) { |
---|
| 746 | this.result_clear_highlight(); |
---|
| 747 | this.result_highlight = el; |
---|
| 748 | this.result_highlight.addClass("highlighted"); |
---|
| 749 | maxHeight = parseInt(this.search_results.css("maxHeight"), 10); |
---|
| 750 | visible_top = this.search_results.scrollTop(); |
---|
| 751 | visible_bottom = maxHeight + visible_top; |
---|
| 752 | high_top = this.result_highlight.position().top + this.search_results.scrollTop(); |
---|
| 753 | high_bottom = high_top + this.result_highlight.outerHeight(); |
---|
| 754 | if (high_bottom >= visible_bottom) { |
---|
| 755 | return this.search_results.scrollTop((high_bottom - maxHeight) > 0 ? high_bottom - maxHeight : 0); |
---|
| 756 | } else if (high_top < visible_top) { |
---|
| 757 | return this.search_results.scrollTop(high_top); |
---|
| 758 | } |
---|
| 759 | } |
---|
| 760 | }; |
---|
| 761 | |
---|
| 762 | Chosen.prototype.result_clear_highlight = function() { |
---|
| 763 | if (this.result_highlight) { |
---|
| 764 | this.result_highlight.removeClass("highlighted"); |
---|
| 765 | } |
---|
| 766 | return this.result_highlight = null; |
---|
| 767 | }; |
---|
| 768 | |
---|
| 769 | Chosen.prototype.results_show = function() { |
---|
| 770 | if (this.is_multiple && this.max_selected_options <= this.choices_count()) { |
---|
| 771 | this.form_field_jq.trigger("chosen:maxselected", { |
---|
| 772 | chosen: this |
---|
| 773 | }); |
---|
| 774 | return false; |
---|
| 775 | } |
---|
| 776 | this.container.addClass("chosen-with-drop"); |
---|
| 777 | this.form_field_jq.trigger("chosen:showing_dropdown", { |
---|
| 778 | chosen: this |
---|
| 779 | }); |
---|
| 780 | this.results_showing = true; |
---|
| 781 | this.search_field.focus(); |
---|
| 782 | this.search_field.val(this.search_field.val()); |
---|
| 783 | return this.winnow_results(); |
---|
| 784 | }; |
---|
| 785 | |
---|
| 786 | Chosen.prototype.update_results_content = function(content) { |
---|
| 787 | return this.search_results.html(content); |
---|
| 788 | }; |
---|
| 789 | |
---|
| 790 | Chosen.prototype.results_hide = function() { |
---|
| 791 | if (this.results_showing) { |
---|
| 792 | this.result_clear_highlight(); |
---|
| 793 | this.container.removeClass("chosen-with-drop"); |
---|
| 794 | this.form_field_jq.trigger("chosen:hiding_dropdown", { |
---|
| 795 | chosen: this |
---|
| 796 | }); |
---|
| 797 | } |
---|
| 798 | return this.results_showing = false; |
---|
| 799 | }; |
---|
| 800 | |
---|
| 801 | Chosen.prototype.set_tab_index = function(el) { |
---|
| 802 | var ti; |
---|
| 803 | |
---|
| 804 | if (this.form_field.tabIndex) { |
---|
| 805 | ti = this.form_field.tabIndex; |
---|
| 806 | this.form_field.tabIndex = -1; |
---|
| 807 | return this.search_field[0].tabIndex = ti; |
---|
| 808 | } |
---|
| 809 | }; |
---|
| 810 | |
---|
| 811 | Chosen.prototype.set_label_behavior = function() { |
---|
| 812 | var _this = this; |
---|
| 813 | |
---|
| 814 | this.form_field_label = this.form_field_jq.parents("label"); |
---|
| 815 | if (!this.form_field_label.length && this.form_field.id.length) { |
---|
| 816 | this.form_field_label = $("label[for='" + this.form_field.id + "']"); |
---|
| 817 | } |
---|
| 818 | if (this.form_field_label.length > 0) { |
---|
| 819 | return this.form_field_label.bind('click.chosen', function(evt) { |
---|
| 820 | if (_this.is_multiple) { |
---|
| 821 | return _this.container_mousedown(evt); |
---|
| 822 | } else { |
---|
| 823 | return _this.activate_field(); |
---|
| 824 | } |
---|
| 825 | }); |
---|
| 826 | } |
---|
| 827 | }; |
---|
| 828 | |
---|
| 829 | Chosen.prototype.show_search_field_default = function() { |
---|
| 830 | if (this.is_multiple && this.choices_count() < 1 && !this.active_field) { |
---|
| 831 | this.search_field.val(this.default_text); |
---|
| 832 | return this.search_field.addClass("default"); |
---|
| 833 | } else { |
---|
| 834 | this.search_field.val(""); |
---|
| 835 | return this.search_field.removeClass("default"); |
---|
| 836 | } |
---|
| 837 | }; |
---|
| 838 | |
---|
| 839 | Chosen.prototype.search_results_mouseup = function(evt) { |
---|
| 840 | var target; |
---|
| 841 | |
---|
| 842 | target = $(evt.target).hasClass("active-result") ? $(evt.target) : $(evt.target).parents(".active-result").first(); |
---|
| 843 | if (target.length) { |
---|
| 844 | this.result_highlight = target; |
---|
| 845 | this.result_select(evt); |
---|
| 846 | return this.search_field.focus(); |
---|
| 847 | } |
---|
| 848 | }; |
---|
| 849 | |
---|
| 850 | Chosen.prototype.search_results_mouseover = function(evt) { |
---|
| 851 | var target; |
---|
| 852 | |
---|
| 853 | target = $(evt.target).hasClass("active-result") ? $(evt.target) : $(evt.target).parents(".active-result").first(); |
---|
| 854 | if (target) { |
---|
| 855 | return this.result_do_highlight(target); |
---|
| 856 | } |
---|
| 857 | }; |
---|
| 858 | |
---|
| 859 | Chosen.prototype.search_results_mouseout = function(evt) { |
---|
| 860 | if ($(evt.target).hasClass("active-result" || $(evt.target).parents('.active-result').first())) { |
---|
| 861 | return this.result_clear_highlight(); |
---|
| 862 | } |
---|
| 863 | }; |
---|
| 864 | |
---|
| 865 | Chosen.prototype.choice_build = function(item) { |
---|
| 866 | var choice, close_link, |
---|
| 867 | _this = this; |
---|
| 868 | |
---|
| 869 | choice = $('<li />', { |
---|
| 870 | "class": "search-choice" |
---|
| 871 | }).html("<span>" + item.html + "</span>"); |
---|
| 872 | if (item.disabled) { |
---|
| 873 | choice.addClass('search-choice-disabled'); |
---|
| 874 | } else { |
---|
| 875 | close_link = $('<a />', { |
---|
| 876 | "class": 'search-choice-close', |
---|
| 877 | 'data-option-array-index': item.array_index |
---|
| 878 | }); |
---|
| 879 | close_link.bind('click.chosen', function(evt) { |
---|
| 880 | return _this.choice_destroy_link_click(evt); |
---|
| 881 | }); |
---|
| 882 | choice.append(close_link); |
---|
| 883 | } |
---|
| 884 | return this.search_container.before(choice); |
---|
| 885 | }; |
---|
| 886 | |
---|
| 887 | Chosen.prototype.choice_destroy_link_click = function(evt) { |
---|
| 888 | evt.preventDefault(); |
---|
| 889 | evt.stopPropagation(); |
---|
| 890 | if (!this.is_disabled) { |
---|
| 891 | return this.choice_destroy($(evt.target)); |
---|
| 892 | } |
---|
| 893 | }; |
---|
| 894 | |
---|
| 895 | Chosen.prototype.choice_destroy = function(link) { |
---|
| 896 | if (this.result_deselect(link[0].getAttribute("data-option-array-index"))) { |
---|
| 897 | this.show_search_field_default(); |
---|
| 898 | if (this.is_multiple && this.choices_count() > 0 && this.search_field.val().length < 1) { |
---|
| 899 | this.results_hide(); |
---|
| 900 | } |
---|
| 901 | link.parents('li').first().remove(); |
---|
| 902 | return this.search_field_scale(); |
---|
| 903 | } |
---|
| 904 | }; |
---|
| 905 | |
---|
| 906 | Chosen.prototype.results_reset = function() { |
---|
| 907 | this.form_field.options[0].selected = true; |
---|
| 908 | this.selected_option_count = null; |
---|
| 909 | this.single_set_selected_text(); |
---|
| 910 | this.show_search_field_default(); |
---|
| 911 | this.results_reset_cleanup(); |
---|
| 912 | this.form_field_jq.trigger("change"); |
---|
| 913 | if (this.active_field) { |
---|
| 914 | return this.results_hide(); |
---|
| 915 | } |
---|
| 916 | }; |
---|
| 917 | |
---|
| 918 | Chosen.prototype.results_reset_cleanup = function() { |
---|
| 919 | this.current_selectedIndex = this.form_field.selectedIndex; |
---|
| 920 | return this.selected_item.find("abbr").remove(); |
---|
| 921 | }; |
---|
| 922 | |
---|
| 923 | Chosen.prototype.result_select = function(evt) { |
---|
| 924 | var high, item, selected_index; |
---|
| 925 | |
---|
| 926 | if (this.result_highlight) { |
---|
| 927 | high = this.result_highlight; |
---|
| 928 | this.result_clear_highlight(); |
---|
| 929 | if (this.is_multiple && this.max_selected_options <= this.choices_count()) { |
---|
| 930 | this.form_field_jq.trigger("chosen:maxselected", { |
---|
| 931 | chosen: this |
---|
| 932 | }); |
---|
| 933 | return false; |
---|
| 934 | } |
---|
| 935 | if (this.is_multiple) { |
---|
| 936 | high.removeClass("active-result"); |
---|
| 937 | } else { |
---|
| 938 | if (this.result_single_selected) { |
---|
| 939 | this.result_single_selected.removeClass("result-selected"); |
---|
| 940 | selected_index = this.result_single_selected[0].getAttribute('data-option-array-index'); |
---|
| 941 | this.results_data[selected_index].selected = false; |
---|
| 942 | } |
---|
| 943 | this.result_single_selected = high; |
---|
| 944 | } |
---|
| 945 | high.addClass("result-selected"); |
---|
| 946 | item = this.results_data[high[0].getAttribute("data-option-array-index")]; |
---|
| 947 | item.selected = true; |
---|
| 948 | this.form_field.options[item.options_index].selected = true; |
---|
| 949 | this.selected_option_count = null; |
---|
| 950 | if (this.is_multiple) { |
---|
| 951 | this.choice_build(item); |
---|
| 952 | } else { |
---|
| 953 | this.single_set_selected_text(item.text); |
---|
| 954 | } |
---|
| 955 | if (!((evt.metaKey || evt.ctrlKey) && this.is_multiple)) { |
---|
| 956 | this.results_hide(); |
---|
| 957 | } |
---|
| 958 | this.search_field.val(""); |
---|
| 959 | if (this.is_multiple || this.form_field.selectedIndex !== this.current_selectedIndex) { |
---|
| 960 | this.form_field_jq.trigger("change", { |
---|
| 961 | 'selected': this.form_field.options[item.options_index].value |
---|
| 962 | }); |
---|
| 963 | } |
---|
| 964 | this.current_selectedIndex = this.form_field.selectedIndex; |
---|
| 965 | return this.search_field_scale(); |
---|
| 966 | } |
---|
| 967 | }; |
---|
| 968 | |
---|
| 969 | Chosen.prototype.single_set_selected_text = function(text) { |
---|
| 970 | if (text == null) { |
---|
| 971 | text = this.default_text; |
---|
| 972 | } |
---|
| 973 | if (text === this.default_text) { |
---|
| 974 | this.selected_item.addClass("chosen-default"); |
---|
| 975 | } else { |
---|
| 976 | this.single_deselect_control_build(); |
---|
| 977 | this.selected_item.removeClass("chosen-default"); |
---|
| 978 | } |
---|
| 979 | return this.selected_item.find("span").text(text); |
---|
| 980 | }; |
---|
| 981 | |
---|
| 982 | Chosen.prototype.result_deselect = function(pos) { |
---|
| 983 | var result_data; |
---|
| 984 | |
---|
| 985 | result_data = this.results_data[pos]; |
---|
| 986 | if (!this.form_field.options[result_data.options_index].disabled) { |
---|
| 987 | result_data.selected = false; |
---|
| 988 | this.form_field.options[result_data.options_index].selected = false; |
---|
| 989 | this.selected_option_count = null; |
---|
| 990 | this.result_clear_highlight(); |
---|
| 991 | if (this.results_showing) { |
---|
| 992 | this.winnow_results(); |
---|
| 993 | } |
---|
| 994 | this.form_field_jq.trigger("change", { |
---|
| 995 | deselected: this.form_field.options[result_data.options_index].value |
---|
| 996 | }); |
---|
| 997 | this.search_field_scale(); |
---|
| 998 | return true; |
---|
| 999 | } else { |
---|
| 1000 | return false; |
---|
| 1001 | } |
---|
| 1002 | }; |
---|
| 1003 | |
---|
| 1004 | Chosen.prototype.single_deselect_control_build = function() { |
---|
| 1005 | if (!this.allow_single_deselect) { |
---|
| 1006 | return; |
---|
| 1007 | } |
---|
| 1008 | if (!this.selected_item.find("abbr").length) { |
---|
| 1009 | this.selected_item.find("span").first().after("<abbr class=\"search-choice-close\"></abbr>"); |
---|
| 1010 | } |
---|
| 1011 | return this.selected_item.addClass("chosen-single-with-deselect"); |
---|
| 1012 | }; |
---|
| 1013 | |
---|
| 1014 | Chosen.prototype.get_search_text = function() { |
---|
| 1015 | if (this.search_field.val() === this.default_text) { |
---|
| 1016 | return ""; |
---|
| 1017 | } else { |
---|
| 1018 | return $('<div/>').text($.trim(this.search_field.val())).html(); |
---|
| 1019 | } |
---|
| 1020 | }; |
---|
| 1021 | |
---|
| 1022 | Chosen.prototype.winnow_results_set_highlight = function() { |
---|
| 1023 | var do_high, selected_results; |
---|
| 1024 | |
---|
| 1025 | selected_results = !this.is_multiple ? this.search_results.find(".result-selected.active-result") : []; |
---|
| 1026 | do_high = selected_results.length ? selected_results.first() : this.search_results.find(".active-result").first(); |
---|
| 1027 | if (do_high != null) { |
---|
| 1028 | return this.result_do_highlight(do_high); |
---|
| 1029 | } |
---|
| 1030 | }; |
---|
| 1031 | |
---|
| 1032 | Chosen.prototype.no_results = function(terms) { |
---|
| 1033 | var no_results_html; |
---|
| 1034 | |
---|
| 1035 | no_results_html = $('<li class="no-results">' + this.results_none_found + ' "<span></span>"</li>'); |
---|
| 1036 | no_results_html.find("span").first().html(terms); |
---|
| 1037 | return this.search_results.append(no_results_html); |
---|
| 1038 | }; |
---|
| 1039 | |
---|
| 1040 | Chosen.prototype.no_results_clear = function() { |
---|
| 1041 | return this.search_results.find(".no-results").remove(); |
---|
| 1042 | }; |
---|
| 1043 | |
---|
| 1044 | Chosen.prototype.keydown_arrow = function() { |
---|
| 1045 | var next_sib; |
---|
| 1046 | |
---|
| 1047 | if (this.results_showing && this.result_highlight) { |
---|
| 1048 | next_sib = this.result_highlight.nextAll("li.active-result").first(); |
---|
| 1049 | if (next_sib) { |
---|
| 1050 | return this.result_do_highlight(next_sib); |
---|
| 1051 | } |
---|
| 1052 | } else { |
---|
| 1053 | return this.results_show(); |
---|
| 1054 | } |
---|
| 1055 | }; |
---|
| 1056 | |
---|
| 1057 | Chosen.prototype.keyup_arrow = function() { |
---|
| 1058 | var prev_sibs; |
---|
| 1059 | |
---|
| 1060 | if (!this.results_showing && !this.is_multiple) { |
---|
| 1061 | return this.results_show(); |
---|
| 1062 | } else if (this.result_highlight) { |
---|
| 1063 | prev_sibs = this.result_highlight.prevAll("li.active-result"); |
---|
| 1064 | if (prev_sibs.length) { |
---|
| 1065 | return this.result_do_highlight(prev_sibs.first()); |
---|
| 1066 | } else { |
---|
| 1067 | if (this.choices_count() > 0) { |
---|
| 1068 | this.results_hide(); |
---|
| 1069 | } |
---|
| 1070 | return this.result_clear_highlight(); |
---|
| 1071 | } |
---|
| 1072 | } |
---|
| 1073 | }; |
---|
| 1074 | |
---|
| 1075 | Chosen.prototype.keydown_backstroke = function() { |
---|
| 1076 | var next_available_destroy; |
---|
| 1077 | |
---|
| 1078 | if (this.pending_backstroke) { |
---|
| 1079 | this.choice_destroy(this.pending_backstroke.find("a").first()); |
---|
| 1080 | return this.clear_backstroke(); |
---|
| 1081 | } else { |
---|
| 1082 | next_available_destroy = this.search_container.siblings("li.search-choice").last(); |
---|
| 1083 | if (next_available_destroy.length && !next_available_destroy.hasClass("search-choice-disabled")) { |
---|
| 1084 | this.pending_backstroke = next_available_destroy; |
---|
| 1085 | if (this.single_backstroke_delete) { |
---|
| 1086 | return this.keydown_backstroke(); |
---|
| 1087 | } else { |
---|
| 1088 | return this.pending_backstroke.addClass("search-choice-focus"); |
---|
| 1089 | } |
---|
| 1090 | } |
---|
| 1091 | } |
---|
| 1092 | }; |
---|
| 1093 | |
---|
| 1094 | Chosen.prototype.clear_backstroke = function() { |
---|
| 1095 | if (this.pending_backstroke) { |
---|
| 1096 | this.pending_backstroke.removeClass("search-choice-focus"); |
---|
| 1097 | } |
---|
| 1098 | return this.pending_backstroke = null; |
---|
| 1099 | }; |
---|
| 1100 | |
---|
| 1101 | Chosen.prototype.keydown_checker = function(evt) { |
---|
| 1102 | var stroke, _ref1; |
---|
| 1103 | |
---|
| 1104 | stroke = (_ref1 = evt.which) != null ? _ref1 : evt.keyCode; |
---|
| 1105 | this.search_field_scale(); |
---|
| 1106 | if (stroke !== 8 && this.pending_backstroke) { |
---|
| 1107 | this.clear_backstroke(); |
---|
| 1108 | } |
---|
| 1109 | switch (stroke) { |
---|
| 1110 | case 8: |
---|
| 1111 | this.backstroke_length = this.search_field.val().length; |
---|
| 1112 | break; |
---|
| 1113 | case 9: |
---|
| 1114 | if (this.results_showing && !this.is_multiple) { |
---|
| 1115 | this.result_select(evt); |
---|
| 1116 | } |
---|
| 1117 | this.mouse_on_container = false; |
---|
| 1118 | break; |
---|
| 1119 | case 13: |
---|
| 1120 | evt.preventDefault(); |
---|
| 1121 | break; |
---|
| 1122 | case 38: |
---|
| 1123 | evt.preventDefault(); |
---|
| 1124 | this.keyup_arrow(); |
---|
| 1125 | break; |
---|
| 1126 | case 40: |
---|
| 1127 | evt.preventDefault(); |
---|
| 1128 | this.keydown_arrow(); |
---|
| 1129 | break; |
---|
| 1130 | } |
---|
| 1131 | }; |
---|
| 1132 | |
---|
| 1133 | Chosen.prototype.search_field_scale = function() { |
---|
| 1134 | var div, f_width, h, style, style_block, styles, w, _i, _len; |
---|
| 1135 | |
---|
| 1136 | if (this.is_multiple) { |
---|
| 1137 | h = 0; |
---|
| 1138 | w = 0; |
---|
| 1139 | style_block = "position:absolute; left: -1000px; top: -1000px; display:none;"; |
---|
| 1140 | styles = ['font-size', 'font-style', 'font-weight', 'font-family', 'line-height', 'text-transform', 'letter-spacing']; |
---|
| 1141 | for (_i = 0, _len = styles.length; _i < _len; _i++) { |
---|
| 1142 | style = styles[_i]; |
---|
| 1143 | style_block += style + ":" + this.search_field.css(style) + ";"; |
---|
| 1144 | } |
---|
| 1145 | div = $('<div />', { |
---|
| 1146 | 'style': style_block |
---|
| 1147 | }); |
---|
| 1148 | div.text(this.search_field.val()); |
---|
| 1149 | $('body').append(div); |
---|
| 1150 | w = div.width() + 25; |
---|
| 1151 | div.remove(); |
---|
| 1152 | f_width = this.container.outerWidth(); |
---|
| 1153 | if (w > f_width - 10) { |
---|
| 1154 | w = f_width - 10; |
---|
| 1155 | } |
---|
| 1156 | return this.search_field.css({ |
---|
| 1157 | 'width': w + 'px' |
---|
| 1158 | }); |
---|
| 1159 | } |
---|
| 1160 | }; |
---|
| 1161 | |
---|
| 1162 | return Chosen; |
---|
| 1163 | |
---|
| 1164 | })(AbstractChosen); |
---|
| 1165 | |
---|
| 1166 | }).call(this); |
---|