if(jQuery) (function($){
	$.extend($.fn, {
		violetFileManager : function (o) {
			if( !o ) var o = {};
			if( o.tree == undefined ) o.tree = null;
			if( o.grid == undefined ) o.grid = null;
			
			if( o.maincontainer == undefined ) o.maincontainer = null;
			if( o.titlebar == undefined ) o.titlebar = null;
			if( o.toolsbar == undefined ) o.toolsbar = null;
			if( o.statusbar == undefined ) o.statusbar = null;
			
			if( o.oTree == undefined ) o.oTree = null;
			if( o.oGrid == undefined ) o.oGrid = null;
			if( o.host == undefined ) o.host = 'http://localhost/';
			if( o.hostmodule == undefined ) o.hostmodule = 'privatecontent/';
			if( o.script == undefined ) o.script = 'getcontent';
			if( o.data == undefined ) o.data = null;
			if( o.datasource == undefined ) o.datasource = 'ajax';
			
			o.host = o.host + 'ajax/';
			
			var isDev = false;
			var contextmenu = null;
			var oContainer = this;
			var tree = [];
			var totalItem = 0;
			var countItem = 0;
			var maxWidth = 0;
			var treeCurrentNode = null;
			var self = this;
			var oClipBoard = {items:null, act:null};
			
			/**
			 * Toolbar defined
			 * */
			var btnNewFolder = $('#' + o.toolsbar + ' > DIV.btn-group.basic > #btnNewFolder');
			var btnDel = $('#' + o.toolsbar + ' > DIV.btn-group.basic > #btnDel');
			var btnCopy = $('#' + o.toolsbar + ' > DIV.btn-group.basic > #btnCopy');
			var btnCut = $('#' + o.toolsbar + ' > DIV.btn-group.basic > #btnCut');
			var btnPaste = $('#' + o.toolsbar + ' > DIV.btn-group.basic > #btnPaste');
			var btnShare = $('#' + o.toolsbar + ' > DIV.btn-group.social > #btnShare');
			var btnPreview = $('#' + o.toolsbar + ' > DIV.btn-group.social > #btnPreview');
			var btnDownload = $('#' + o.toolsbar + ' > DIV.btn-group.creation > #btnDownload');
			var btnUpload = $('#' + o.toolsbar + ' > DIV.btn-group.creation > #btnUpload');
			var btnRefresh = $('#' + o.toolsbar + ' > DIV.btn-group.control > #btnRefresh');
			
			var sendCommand = function (p) {
				if( p.postdata == undefined ) p.postdata = null;
				if( p.script == undefined ) p.script = o.script;
				if( p.callbackSuccess == undefined ) p.callbackSuccess = null;
				if( p.callbackDone == undefined ) p.callbackDone = null;
				if( p.callbackFail == undefined ) p.callbackFail = null;
				if( p.callbackAlways == undefined ) p.callbackAlways = null;
				if( p.parseData == undefined ) p.parseData = null;
				if( p.self == undefined ) p.self = this;

				if (p.script != null && (o.datasource == 'ajax' || isDev)) {
					$.post(o.host + o.hostmodule + p.script, p.postdata, function (data){
						if (data) {
							parseData = $.parseJSON(data);
							p.parseData = parseData;
						}

						if (p.callbackSuccess != null) {
							if (parseInt(parseData.ERROR.errCode) === 0)
								p.callbackSuccess(parseData);
							else {
								p.callbackFail(parseData.ERROR);
							}
						}

					}).done(function() {if (p.callbackDone != null)p.callbackDone(p.parseData);}).fail(function() {if (p.callbackFail != null)p.callbackFail(this);}).always(function() {if (p.callbackAlways != null)p.callbackAlways(this);});
				}
				else if (o.datasource == 'json'){
					if (p.callbackSuccess != null) p.callbackSuccess(o.data);
					if (p.callbackDone != null)	p.callbackDone(this);
				}
				
			};
			
			var getDirTreeMaxWidth = function  () {
				var scrWidth = $(o.maincontainer).width();
				return parseInt(scrWidth / 2);
			}
			
			var layoutRender = function () {
				var scrWidth = $('#' + o.maincontainer).width();
				var scrHeght = $(window).height();
				var dirTreeHeight = scrHeght - $('#' + o.titlebar).height() - $('#' + o.toolsbar).height() - $('#' + o.statusbar).height() - 2;
				$('#' + o.tree).parent().height(dirTreeHeight);
				$('#' + o.grid).parent().height(dirTreeHeight);
				$('#' + o.grid).parent().width('calc(100% - ' + ($('#' + o.tree).parent().width() + 8) + 'px)');
				var scollWidth = $('#' + o.grid).parent().width();
				maxWidth = getDirTreeMaxWidth();
				$(o.tree).height(dirTreeHeight - 5);
			}
			
			var createFileManager = function (parseData) {
				o.data = parseData;
				totalItem = o.data.DIRECTORIES.length;
				o.oTree = $('#' + o.tree).violetTree({data:o.data.DIRECTORIES,manager:oContainer});
				o.oGrid = $('#' + o.grid).violetGrid({data:o.data,manager:oContainer});
			};

			var getAllDirChild = function (parentID, aryChild) {
				parentID = parentID == null ? 0:parentID;
				var dirList = searchItemsByParent(parentID,'directory');
				var index = aryChild.length;
				aryChild[index] = parentID;
				if (dirList.length > 0) {
					for (var i = 0; i < dirList.length; i++) {
						getAllDirChild(dirList[i].id, aryChild);
					}
				}
			}

			var buildTreeFromParent = function (dirID, node) {				
				var aryChildFiles = [];
				var aryChildDirs = [];
				var aryChildIDs = [];
				var aryTmp = [];
				var dir = o.data.DIRECTORIES[searchItemByID(dirID, 'directory')];
				aryChildDirs = searchItemsByParent(dirID, 'directory');
				aryChildFiles = searchItemsByParent(dirID, 'file');

				node.id = dir.id;
				node.name = dir.name;
				node.type = 'directory';

				$(aryChildDirs).each(function (index) {
					var id = this.id;
					var name = this.name;
					var type = 'directory';
					var cDir = {id:id, name:name, type:type, childs:null};
					aryChildIDs[index] = cDir;
				});

				if ($(aryChildFiles).length > 0 ) {
					if (node.files == undefined) node.files = [];
					$(aryChildFiles).each(function (index) {
						var id = this.id;
						var name = this.name;
						var type = 'file';
						var cFile = {id:id, name:name, type:type};
						node.files[index] = cFile;
					});
				}				

				if ($(aryChildDirs).length > 0) {
					if (node.childs == undefined) node.childs = [];
					$(aryChildIDs).each(function (index) {
						node.childs[index] = new Object;
						buildTreeFromParent(aryChildIDs[index].id, node.childs[index]);
					});
				}
			}
			
			var checkChildExisted = function (id) {
				var dirList = searchItemsByParent(id,'directory');
				var fileList = searchItemsByParent(id,'file');
				return (dirList.length > 0) || (fileList.length > 0);
			}
			
			var doneInit = function () {
				bindEventToToolbars();
				documentEventsBinding();
			};
			
			var failInit = function (er) {
				bootbox.alert(er.err);
			} 
			
			var init = function () {
				layoutRender ();
				$('#' + o.tree).parent().resizable({
					maxWidth: maxWidth,
					minWidth: 220,
					handles: "e",
					resize: function (event, ui) {
						layoutRender ();
					}
				});
				$(window).resize (function() {layoutRender ();$('#' + o.tree).parent().resizable({maxWidth: maxWidth});});
				sendCommand ({postdata:null,callbackSuccess:createFileManager,callbackDone:doneInit,callbackFail:failInit});
			};
			
			var searchItemByID = function (id, type) {
				var data = {};
				switch (type) {
					case 'directory':
						data = o.data.DIRECTORIES;
						break;
					case 'file':
						data = o.data.FILES;
						break;
					default:
						break;
				}
				
				//for (var i = 0; i < data.length; i++) {
				for (var i in data) {
					if (data[i].id == id) {
						return i;
					}
				}
			}
			
			var searchItemsByParent = function (parentID, type) {
				var data = {};
				var aryItem = [];
				var index = aryItem.length;
				
				switch (type) {
					case 'directory':
						data = o.data.DIRECTORIES;
						break;
					case 'file':
						data = o.data.FILES;
						break;
					default:
						break;
				}
				
				for(i in data) {
					if (data[i].parentID == parentID) {
						aryItem[index] = data[i];
						index ++;
					}
				}
				
				return aryItem;
			}
			
			/**************************
			 * TOOLBAR EVENTS - START *
			 **************************/
			var btnRefreshClick = function (obj) {
				$(o).find('i').addClass('icon-spin');				
				sendCommand ({	postdata:null,
								callbackSuccess:function (parseData) {
									o.data = parseData;
									self.updateData({updateAll:true});
									o.oTree.refeshTree();
								},
								callbackDone:function () {$(o).find('i').removeClass('icon-spin');},
								callbackFail:failInit
					});
			}
			
			var btnNewFolderClick = function () {
				createFolderStart();
			}
                        
			var btnUploadClick = function () {
				uploadStart();
                upload_init();
			}
			
			var btnDelClick = function () {
				var items = o.oGrid.getHightLightItem();
				if ($(items).length == 0){
					var dirID = $(o.oTree.getSelectedNode()).attr('id');
					var item = o.data.DIRECTORIES[searchItemByID(dirID,'directory')];
					item.type = 'directory';
					items = [item];
				}
				self.deleteItem(items);
			}
			
			var btnCopyClick = function () {				
				copy('copy');
			}

			var btnPasteClick = function () {
				paste();
			}
			
			var btnCutClick = function () {
				copy('move');
			}
			
			var bindEventToToolbars = function () {
				$(btnRefresh).click(function(e){btnRefreshClick(this)});
				
				$(btnNewFolder).click(function(e){btnNewFolderClick()});
                $(btnUpload).click(function(e){btnUploadClick()});
                
				$(btnDel).click(function(e){btnDelClick()});
				$(btnCopy).click(function(e){btnCopyClick()});
				$(btnCut).click(function(e){btnCutClick()});
				$(btnPaste).click(function(e){btnPasteClick()})
				
				/*btnShare
				btnPreview
				btnDownload
				btnUpload*/
			}
			/************************
			 * TOOLBAR EVENTS - END *
			 ************************/

			/***********************************
			 * DOCUMENT EVENTS BINDING - START *
			 ***********************************/
			 var documentEventsBinding = function () {
			 	$(document).bind('keydown', function (e){
			 		switch( e.which ) {
			 			case 113:			 				
			 			case 27:
			 				var gridSelectedItems = o.oGrid.getHightLightItem();
			 				if ($(gridSelectedItems).length > 0) {
			 					o.oGrid.rename(e.which);
			 				}else {			 					
			 					o.oTree.rename(e.which);
			 				}
			 				break;
			 			case 46:
			 				//delete
			 				btnDelClick();
			 				break;
			 			case 65:
			 				if (e.ctrlKey) {
			 					o.oGrid.selectAllNode();
			 				}
			 				break;
			 			default:
			 				break;
			 		}
			 	});
			 }
			/***********************************
			 * DOCUMENT EVENTS BINDING - END *
			 ***********************************/			 
			
			/*******************************
			 * CREATE FOLDER - START *
			 *******************************/
			var createFolderStart = function () {
				var promptOptions = {
						  title: "Tạo thư mục mới",
						  buttons: {
						    confirm: {
						      label: "Lưu"
						    },
						    cancel: {
						      label: "Hủy"	
						    }
						  },
						  callback: function(result) {                
						      if (result === null) {                                             
						                                      
						      } else {
						    	  createFolder(treeCurrentNode, result);
						      }
						    }
						};

				return bootbox.prompt(promptOptions);
			}
                        
                        var uploadStart = function () {
				var promptOptions = {
						  title: "Tải lên",
                                                   message: "<form id='upload' method='post' action='upload/upload.php' enctype='multipart/form-data'><div id='drop'>Drop Here<a>Browse</a><input type='file' name='upl' multiple /></div><ul></ul></form>",
						  buttons: {
						    confirm: {
						      label: "Lưu"
						    },
						    cancel: {
						      label: "Hủy"	
						    }
						  },
						  callback: function(result) {                
						      if (result === null) {                                             
						                                     
						      } else {
                                                          
                                                         
						    	  createFolder(treeCurrentNode, result);
						      }
						    }
						};

				return bootbox.dialog(promptOptions);
			}
			
			var createFolder = function (parent, name) {
				var postdata = {fname:name,fparentid:parent};
				var script = 'createdir';
				/*isDev = true;*/
				sendCommand ({
					postdata:postdata,
					script:script,
					callbackSuccess:function(parseData){createFolderFinish(parseData);},
					callbackFail: function(){}
				});
			}
			
			var createFolderFinish = function (parseData) {
				/*isDev = false;*/
				if (parseData.ERROR.errCode == 0) {
					var node = {id:parseData.id, name:parseData.name,parentID:parseData.parentID};
					o.oTree.createNode(node);
					o.data.DIRECTORIES[$(o.data.DIRECTORIES).length] = node;
					if (o.oGrid) o.oGrid.reloadGrid();
				}
			}
			/*******************************
			 * CREATE FOLDER - END         *
			 *******************************/
			/********************************
			 * COPY & PASTE & MOVE - START  *
			 ************=*******************/	
			var copy = function (act){
				//detect selected items
				//push to clipboard
				var items = o.oGrid.getHightLightItem();
				
				if ($(items).length == 0) {
					var node = o.oTree.getSelectedNode();
					var itemID = $(node).attr('id');
					
					if (itemID == 0) return false;
					
					items[0] = o.data.DIRECTORIES[searchItemByID(itemID, 'directory')];
					items[0].type = 'directory';
				}

				if ($(items).length > 0) {
					oClipBoard.items = items;
					oClipBoard.act = act;
				}
				return true;
			}
			
			var paste = function () {
				if ((oClipBoard.act != 'copy' 
					&& oClipBoard.act != 'move') 
					|| oClipBoard.items == null) return;
				
				var items = [];
				var destination = self.getTreeCurrentNode();
				if (oClipBoard.act != 'copy') {
					$(oClipBoard.items).each(function (index) {
						var node = new Object;
						if (this.type == 'directory')
							buildTreeFromParent(this.id, node);
						else {
							node.id = this.id;
							node.type = 'file';
						}
	
						items[index] = node;
					});
				}
				else {
					items = oClipBoard.items;
				}
				
				var postdata = {act:oClipBoard.act,destination:destination,data:JSON.stringify(items)};
				var script = oClipBoard.act;
				
				sendCommand ({
					postdata:postdata,
					script:script,
					callbackSuccess:function(parseData){
						if (oClipBoard.act == 'copy'){
							$(parseData.DIRECTORIES).each(function (index) {
								o.data.DIRECTORIES[$(o.data.DIRECTORIES).length] = this;
							});
							
							$(parseData.FILES).each(function (index) {
								o.data.FILES[$(o.data.FILES).length] = this;
							});
													
							o.data.DIRECTORIES.sort(function (a,b) {
								return a.parentID - b.parentID;
							});						
							
							o.oTree.setData (o.data.DIRECTORIES);
							o.oGrid.setData (o.data);						
							o.oTree.createCopyNode(parseData.DIRECTORIES);
							o.oGrid.reloadGrid();
						}
						else if (oClipBoard.act == 'move') {
							
						}
					}
				});
				
			}

			var move = function () {
				
			}

			var copyTo = function () {

			}

			var moveTo = function () {

			}
			
			/*****************************
			 * COPY & PASTE & MOVE - END *
			 *****************************/

			this.deleteItem = function (item) {
				
				var confirmText = 'Bạn có muốn xóa ';
				
				if ($.isArray(item) && item.length > 1) {
					confirmText += 'các thư mục (và files) đã chọn?';
				}
				else if (item.length == 1) {
					if (item[0].id == 0) return false;
					confirmText += (item[0].type == 'directory')?'thư mục':'file';
					confirmText += ' <span style="font-weight:bold">' + item[0].name + "</span> không?";
				}
				
				confirmText += '<br /><div style="color:red">(hành động này sẽ xóa tất cả thư mục con và các file trong các thư mục đã chọn)</div>';
				
				var parentID = item[0].parentID;
				
				for (var i = 0; i < item.length; i++) {
					if (item[i].type == 'directory') {
						var aryChildDirTmp = [];
						var aryChildDirID = [];
						var aryChildFiles = searchItemsByParent(item[i].id, 'file');
						var aryChildDirs = [];
						
						getAllDirChild (item[i].id, aryChildDirTmp);
						for(var d = 1; d < aryChildDirTmp.length; d++) {
							aryChildDirID[d-1] = aryChildDirTmp[d];
						}
						
						for (var j = 0; j < aryChildDirID.length; j++) {
							if (o.data.DIRECTORIES[searchItemByID(aryChildDirID[j],'directory')] != undefined)
								aryChildDirs[aryChildDirs.length] = o.data.DIRECTORIES[searchItemByID(aryChildDirID[j],'directory')];
							
							var aryTmp = searchItemsByParent(aryChildDirID[j], 'file');
							if (aryTmp.length > 0)
								for(var f in aryTmp) {
									aryChildFiles[aryChildFiles.length] = aryTmp[f];
								}
						}
						
						item[i].childDirs = aryChildDirs;
						item[i].childFiles = aryChildFiles;
					}
				}
				
				var confirmOptions = {
						  message:confirmText,
						  buttons: {
						    confirm: {
						      label: "Xóa"
						    },
						    cancel: {
						      label: "Không xóa"	
						    }
						  },
						  callback: function(result) {                
							  if (result) {
									var delobj = JSON.stringify(item);
									var postdata = {delobj:delobj};
									var script = 'delete';
									sendCommand ({
										postdata:postdata,
										script:script,
										callbackSuccess:function(parseData){
											if($(parseData.DIRECTORIES).length > 0) {
												$(parseData.DIRECTORIES).each (function (index) {
													o.oTree.deletion(this);
													o.oGrid.deletion(this, 'directory');	
												});
											}

											if($(parseData.FILES).length > 0) {
												$(parseData.FILES).each (function (index) {
													var file = o.data.FILES[searchItemByID(this, 'file')];											
													o.oGrid.deletion(this, file.minetype);
												});	
											}
										},
										callbackDone: function (obj) {
											if($(parseData.DIRECTORIES).length > 0) {
												$(parseData.DIRECTORIES).each(function(index){
													delete o.data.DIRECTORIES[searchItemByID(this, 'directory')];
												});
											}
											
											if($(parseData.FILES).length > 0) {
												$(parseData.FILES).each(function(index){
													delete o.data.FILES[searchItemByID(this, 'file')];
												});
											}
											
											o.oTree.setData (o.data.DIRECTORIES);
											o.oGrid.setData (o.data);
											self.setTreeCurrentNode(parentID);
											o.oGrid.reloadGrid();
									},
										callbackFail: function(){}
									});
								}
						    }
						};
				
				bootbox.confirm(confirmOptions);
			}
			
			this.setTreeCurrentNode = function (treeNode) {
				//fire when click a node on Tree
				//then fire action of Grid
				treeCurrentNode = treeNode;
				if (o.oGrid) o.oGrid.reloadGrid();
			};
			
			this.getTreeCurrentNode = function () {
				return treeCurrentNode;
			}
			
			this.gridNodeDblClick = function (node) {
				if (node.minetype == 'directory') {
					var treeNode = $('#' + o.tree).find('UL.vstree[rel^="node' + node.parentID + '"] > LI[rel^="folder"] > A#' + node.id);
					o.oTree.activeNode(treeNode);
				}
				else {
					//execute or preview file
				}
			};
			
			this.createNewFolder = function () {
				
			}
			
			this.updateData = function (p) {
				if( p.item == undefined ) p.item = null;
				if( p.updateAll == undefined ) p.updateAll = false;
				if( p.from == undefined ) p.from = null;
				if( p.type == undefined ) p.type = null;
				if( p.callback == undefined ) p.callback = null;

				var obj = p.from == 'tree' ? o.oGrid : o.oTree;
				if (!p.updateAll) {
					var index = searchItemByID(p.item.id, p.type);
					switch (p.type) {
						case 'directory':
							o.data.DIRECTORIES[index].name = p.item.name;
							o.data.DIRECTORIES[index].parentID = p.item.parentID;
							break;
						case 'file':
							o.data.FILES[index].name = p.item.name;
							o.data.FILES[index].parentID = p.item.parentID;
							o.data.FILES[index].minetype = p.item.minetype;
							break;
						default:
							break;
					}
				}
				
				o.oTree.setData (o.data.DIRECTORIES);
				o.oGrid.setData (o.data);
				
				if (p.callback != null) {
					eval('obj.' + p.callback + '(p.item);')
				}
				
				//call sendCommand
			}
			
			this.searchItemsByParent = function (parentID, type) {
				return searchItemsByParent(parentID, type);
			}
			
			this.searchItemByID = function (parentID, type) {
				return searchItemByID(parentID, type);
			}
			
			this.initialize = function () {
				init();
				return this;
			};
			
			return this.initialize();
		}
	});
})(jQuery);