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/* |
Copyright (c) 2004-2006, The Dojo Foundation |
All Rights Reserved. |
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Licensed under the Academic Free License version 2.1 or above OR the |
modified BSD license. For more information on Dojo licensing, see: |
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http://dojotoolkit.org/community/licensing.shtml |
*/ |
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dojo.provide("dojo.widget.TreeNode"); |
dojo.require("dojo.html.*"); |
dojo.require("dojo.event.*"); |
dojo.require("dojo.io.*"); |
dojo.widget.defineWidget("dojo.widget.TreeNode", dojo.widget.HtmlWidget, function () { |
this.actionsDisabled = []; |
}, {widgetType:"TreeNode", loadStates:{UNCHECKED:"UNCHECKED", LOADING:"LOADING", LOADED:"LOADED"}, actions:{MOVE:"MOVE", REMOVE:"REMOVE", EDIT:"EDIT", ADDCHILD:"ADDCHILD"}, isContainer:true, lockLevel:0, templateString:("<div class=\"dojoTreeNode\"> " + "<span treeNode=\"${this.widgetId}\" class=\"dojoTreeNodeLabel\" dojoAttachPoint=\"labelNode\"> " + "\t\t<span dojoAttachPoint=\"titleNode\" dojoAttachEvent=\"onClick: onTitleClick\" class=\"dojoTreeNodeLabelTitle\">${this.title}</span> " + "</span> " + "<span class=\"dojoTreeNodeAfterLabel\" dojoAttachPoint=\"afterLabelNode\">${this.afterLabel}</span> " + "<div dojoAttachPoint=\"containerNode\" style=\"display:none\"></div> " + "</div>").replace(/(>|<)\s+/g, "$1"), childIconSrc:"", childIconFolderSrc:dojo.uri.moduleUri("dojo.widget", "templates/images/Tree/closed.gif"), childIconDocumentSrc:dojo.uri.moduleUri("dojo.widget", "templates/images/Tree/document.gif"), childIcon:null, isTreeNode:true, objectId:"", afterLabel:"", afterLabelNode:null, expandIcon:null, title:"", object:"", isFolder:false, labelNode:null, titleNode:null, imgs:null, expandLevel:"", tree:null, depth:0, isExpanded:false, state:null, domNodeInitialized:false, isFirstChild:function () { |
return this.getParentIndex() == 0 ? true : false; |
}, isLastChild:function () { |
return this.getParentIndex() == this.parent.children.length - 1 ? true : false; |
}, lock:function () { |
return this.tree.lock.apply(this, arguments); |
}, unlock:function () { |
return this.tree.unlock.apply(this, arguments); |
}, isLocked:function () { |
return this.tree.isLocked.apply(this, arguments); |
}, cleanLock:function () { |
return this.tree.cleanLock.apply(this, arguments); |
}, actionIsDisabled:function (action) { |
var _this = this; |
var disabled = false; |
if (this.tree.strictFolders && action == this.actions.ADDCHILD && !this.isFolder) { |
disabled = true; |
} |
if (dojo.lang.inArray(_this.actionsDisabled, action)) { |
disabled = true; |
} |
if (this.isLocked()) { |
disabled = true; |
} |
return disabled; |
}, getInfo:function () { |
var info = {widgetId:this.widgetId, objectId:this.objectId, index:this.getParentIndex(), isFolder:this.isFolder}; |
return info; |
}, initialize:function (args, frag) { |
this.state = this.loadStates.UNCHECKED; |
for (var i = 0; i < this.actionsDisabled.length; i++) { |
this.actionsDisabled[i] = this.actionsDisabled[i].toUpperCase(); |
} |
this.expandLevel = parseInt(this.expandLevel); |
}, adjustDepth:function (depthDiff) { |
for (var i = 0; i < this.children.length; i++) { |
this.children[i].adjustDepth(depthDiff); |
} |
this.depth += depthDiff; |
if (depthDiff > 0) { |
for (var i = 0; i < depthDiff; i++) { |
var img = this.tree.makeBlankImg(); |
this.imgs.unshift(img); |
dojo.html.insertBefore(this.imgs[0], this.domNode.firstChild); |
} |
} |
if (depthDiff < 0) { |
for (var i = 0; i < -depthDiff; i++) { |
this.imgs.shift(); |
dojo.html.removeNode(this.domNode.firstChild); |
} |
} |
}, markLoading:function () { |
this._markLoadingSavedIcon = this.expandIcon.src; |
this.expandIcon.src = this.tree.expandIconSrcLoading; |
}, unMarkLoading:function () { |
if (!this._markLoadingSavedIcon) { |
return; |
} |
var im = new Image(); |
im.src = this.tree.expandIconSrcLoading; |
if (this.expandIcon.src == im.src) { |
this.expandIcon.src = this._markLoadingSavedIcon; |
} |
this._markLoadingSavedIcon = null; |
}, setFolder:function () { |
dojo.event.connect(this.expandIcon, "onclick", this, "onTreeClick"); |
this.expandIcon.src = this.isExpanded ? this.tree.expandIconSrcMinus : this.tree.expandIconSrcPlus; |
this.isFolder = true; |
}, createDOMNode:function (tree, depth) { |
this.tree = tree; |
this.depth = depth; |
this.imgs = []; |
for (var i = 0; i < this.depth + 1; i++) { |
var img = this.tree.makeBlankImg(); |
this.domNode.insertBefore(img, this.labelNode); |
this.imgs.push(img); |
} |
this.expandIcon = this.imgs[this.imgs.length - 1]; |
this.childIcon = this.tree.makeBlankImg(); |
this.imgs.push(this.childIcon); |
dojo.html.insertBefore(this.childIcon, this.titleNode); |
if (this.children.length || this.isFolder) { |
this.setFolder(); |
} else { |
this.state = this.loadStates.LOADED; |
} |
dojo.event.connect(this.childIcon, "onclick", this, "onIconClick"); |
for (var i = 0; i < this.children.length; i++) { |
this.children[i].parent = this; |
var node = this.children[i].createDOMNode(this.tree, this.depth + 1); |
this.containerNode.appendChild(node); |
} |
if (this.children.length) { |
this.state = this.loadStates.LOADED; |
} |
this.updateIcons(); |
this.domNodeInitialized = true; |
dojo.event.topic.publish(this.tree.eventNames.createDOMNode, {source:this}); |
return this.domNode; |
}, onTreeClick:function (e) { |
dojo.event.topic.publish(this.tree.eventNames.treeClick, {source:this, event:e}); |
}, onIconClick:function (e) { |
dojo.event.topic.publish(this.tree.eventNames.iconClick, {source:this, event:e}); |
}, onTitleClick:function (e) { |
dojo.event.topic.publish(this.tree.eventNames.titleClick, {source:this, event:e}); |
}, markSelected:function () { |
dojo.html.addClass(this.titleNode, "dojoTreeNodeLabelSelected"); |
}, unMarkSelected:function () { |
dojo.html.removeClass(this.titleNode, "dojoTreeNodeLabelSelected"); |
}, updateExpandIcon:function () { |
if (this.isFolder) { |
this.expandIcon.src = this.isExpanded ? this.tree.expandIconSrcMinus : this.tree.expandIconSrcPlus; |
} else { |
this.expandIcon.src = this.tree.blankIconSrc; |
} |
}, updateExpandGrid:function () { |
if (this.tree.showGrid) { |
if (this.depth) { |
this.setGridImage(-2, this.isLastChild() ? this.tree.gridIconSrcL : this.tree.gridIconSrcT); |
} else { |
if (this.isFirstChild()) { |
this.setGridImage(-2, this.isLastChild() ? this.tree.gridIconSrcX : this.tree.gridIconSrcY); |
} else { |
this.setGridImage(-2, this.isLastChild() ? this.tree.gridIconSrcL : this.tree.gridIconSrcT); |
} |
} |
} else { |
this.setGridImage(-2, this.tree.blankIconSrc); |
} |
}, updateChildGrid:function () { |
if ((this.depth || this.tree.showRootGrid) && this.tree.showGrid) { |
this.setGridImage(-1, (this.children.length && this.isExpanded) ? this.tree.gridIconSrcP : this.tree.gridIconSrcC); |
} else { |
if (this.tree.showGrid && !this.tree.showRootGrid) { |
this.setGridImage(-1, (this.children.length && this.isExpanded) ? this.tree.gridIconSrcZ : this.tree.blankIconSrc); |
} else { |
this.setGridImage(-1, this.tree.blankIconSrc); |
} |
} |
}, updateParentGrid:function () { |
var parent = this.parent; |
for (var i = 0; i < this.depth; i++) { |
var idx = this.imgs.length - (3 + i); |
var img = (this.tree.showGrid && !parent.isLastChild()) ? this.tree.gridIconSrcV : this.tree.blankIconSrc; |
this.setGridImage(idx, img); |
parent = parent.parent; |
} |
}, updateExpandGridColumn:function () { |
if (!this.tree.showGrid) { |
return; |
} |
var _this = this; |
var icon = this.isLastChild() ? this.tree.blankIconSrc : this.tree.gridIconSrcV; |
dojo.lang.forEach(_this.getDescendants(), function (node) { |
node.setGridImage(_this.depth, icon); |
}); |
this.updateExpandGrid(); |
}, updateIcons:function () { |
this.imgs[0].style.display = this.tree.showRootGrid ? "inline" : "none"; |
this.buildChildIcon(); |
this.updateExpandGrid(); |
this.updateChildGrid(); |
this.updateParentGrid(); |
dojo.profile.stop("updateIcons"); |
}, buildChildIcon:function () { |
if (this.childIconSrc) { |
this.childIcon.src = this.childIconSrc; |
} |
this.childIcon.style.display = this.childIconSrc ? "inline" : "none"; |
}, setGridImage:function (idx, src) { |
if (idx < 0) { |
idx = this.imgs.length + idx; |
} |
this.imgs[idx].style.backgroundImage = "url(" + src + ")"; |
}, updateIconTree:function () { |
this.tree.updateIconTree.call(this); |
}, expand:function () { |
if (this.isExpanded) { |
return; |
} |
if (this.children.length) { |
this.showChildren(); |
} |
this.isExpanded = true; |
this.updateExpandIcon(); |
dojo.event.topic.publish(this.tree.eventNames.expand, {source:this}); |
}, collapse:function () { |
if (!this.isExpanded) { |
return; |
} |
this.hideChildren(); |
this.isExpanded = false; |
this.updateExpandIcon(); |
dojo.event.topic.publish(this.tree.eventNames.collapse, {source:this}); |
}, hideChildren:function () { |
this.tree.toggleObj.hide(this.containerNode, this.toggleDuration, this.explodeSrc, dojo.lang.hitch(this, "onHide")); |
if (dojo.exists(dojo, "dnd.dragManager.dragObjects") && dojo.dnd.dragManager.dragObjects.length) { |
dojo.dnd.dragManager.cacheTargetLocations(); |
} |
}, showChildren:function () { |
this.tree.toggleObj.show(this.containerNode, this.toggleDuration, this.explodeSrc, dojo.lang.hitch(this, "onShow")); |
if (dojo.exists(dojo, "dnd.dragManager.dragObjects") && dojo.dnd.dragManager.dragObjects.length) { |
dojo.dnd.dragManager.cacheTargetLocations(); |
} |
}, addChild:function () { |
return this.tree.addChild.apply(this, arguments); |
}, doAddChild:function () { |
return this.tree.doAddChild.apply(this, arguments); |
}, edit:function (props) { |
dojo.lang.mixin(this, props); |
if (props.title) { |
this.titleNode.innerHTML = this.title; |
} |
if (props.afterLabel) { |
this.afterLabelNode.innerHTML = this.afterLabel; |
} |
if (props.childIconSrc) { |
this.buildChildIcon(); |
} |
}, removeNode:function () { |
return this.tree.removeNode.apply(this, arguments); |
}, doRemoveNode:function () { |
return this.tree.doRemoveNode.apply(this, arguments); |
}, toString:function () { |
return "[" + this.widgetType + " Tree:" + this.tree + " ID:" + this.widgetId + " Title:" + this.title + "]"; |
}}); |
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