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/*
Copyright (c) 2004-2006, The Dojo Foundation
All Rights Reserved.
Licensed under the Academic Free License version 2.1 or above OR the
modified BSD license. For more information on Dojo licensing, see:
http://dojotoolkit.org/community/licensing.shtml
*/
dojo.provide("dojo.widget.TreeBasicControllerV3");
dojo.require("dojo.event.*");
dojo.require("dojo.json");
dojo.require("dojo.io.*");
dojo.require("dojo.widget.TreeCommon");
dojo.require("dojo.widget.TreeNodeV3");
dojo.require("dojo.widget.TreeV3");
dojo.widget.defineWidget("dojo.widget.TreeBasicControllerV3", [dojo.widget.HtmlWidget, dojo.widget.TreeCommon], function () {
this.listenedTrees = {};
}, {listenTreeEvents:["afterSetFolder", "afterTreeCreate", "beforeTreeDestroy"], listenNodeFilter:function (elem) {
return elem instanceof dojo.widget.Widget;
}, editor:null, initialize:function (args) {
if (args.editor) {
this.editor = dojo.widget.byId(args.editor);
this.editor.controller = this;
}
}, getInfo:function (elem) {
return elem.getInfo();
}, onBeforeTreeDestroy:function (message) {
this.unlistenTree(message.source);
}, onAfterSetFolder:function (message) {
if (message.source.expandLevel > 0) {
this.expandToLevel(message.source, message.source.expandLevel);
}
if (message.source.loadLevel > 0) {
this.loadToLevel(message.source, message.source.loadLevel);
}
}, _focusNextVisible:function (nodeWidget) {
if (nodeWidget.isFolder && nodeWidget.isExpanded && nodeWidget.children.length > 0) {
returnWidget = nodeWidget.children[0];
} else {
while (nodeWidget.isTreeNode && nodeWidget.isLastChild()) {
nodeWidget = nodeWidget.parent;
}
if (nodeWidget.isTreeNode) {
var returnWidget = nodeWidget.parent.children[nodeWidget.getParentIndex() + 1];
}
}
if (returnWidget && returnWidget.isTreeNode) {
this._focusLabel(returnWidget);
return returnWidget;
}
}, _focusPreviousVisible:function (nodeWidget) {
var returnWidget = nodeWidget;
if (!nodeWidget.isFirstChild()) {
var previousSibling = nodeWidget.parent.children[nodeWidget.getParentIndex() - 1];
nodeWidget = previousSibling;
while (nodeWidget.isFolder && nodeWidget.isExpanded && nodeWidget.children.length > 0) {
returnWidget = nodeWidget;
nodeWidget = nodeWidget.children[nodeWidget.children.length - 1];
}
} else {
nodeWidget = nodeWidget.parent;
}
if (nodeWidget && nodeWidget.isTreeNode) {
returnWidget = nodeWidget;
}
if (returnWidget && returnWidget.isTreeNode) {
this._focusLabel(returnWidget);
return returnWidget;
}
}, _focusZoomIn:function (nodeWidget) {
var returnWidget = nodeWidget;
if (nodeWidget.isFolder && !nodeWidget.isExpanded) {
this.expand(nodeWidget);
} else {
if (nodeWidget.children.length > 0) {
nodeWidget = nodeWidget.children[0];
}
}
if (nodeWidget && nodeWidget.isTreeNode) {
returnWidget = nodeWidget;
}
if (returnWidget && returnWidget.isTreeNode) {
this._focusLabel(returnWidget);
return returnWidget;
}
}, _focusZoomOut:function (node) {
var returnWidget = node;
if (node.isFolder && node.isExpanded) {
this.collapse(node);
} else {
node = node.parent;
}
if (node && node.isTreeNode) {
returnWidget = node;
}
if (returnWidget && returnWidget.isTreeNode) {
this._focusLabel(returnWidget);
return returnWidget;
}
}, onFocusNode:function (e) {
var node = this.domElement2TreeNode(e.target);
if (node) {
node.viewFocus();
dojo.event.browser.stopEvent(e);
}
}, onBlurNode:function (e) {
var node = this.domElement2TreeNode(e.target);
if (!node) {
return;
}
var labelNode = node.labelNode;
labelNode.setAttribute("tabIndex", "-1");
node.viewUnfocus();
dojo.event.browser.stopEvent(e);
node.tree.domNode.setAttribute("tabIndex", "0");
}, _focusLabel:function (node) {
var lastFocused = node.tree.lastFocused;
var labelNode;
if (lastFocused && lastFocused.labelNode) {
labelNode = lastFocused.labelNode;
dojo.event.disconnect(labelNode, "onblur", this, "onBlurNode");
labelNode.setAttribute("tabIndex", "-1");
dojo.html.removeClass(labelNode, "TreeLabelFocused");
}
labelNode = node.labelNode;
labelNode.setAttribute("tabIndex", "0");
node.tree.lastFocused = node;
dojo.html.addClass(labelNode, "TreeLabelFocused");
dojo.event.connectOnce(labelNode, "onblur", this, "onBlurNode");
dojo.event.connectOnce(labelNode, "onfocus", this, "onFocusNode");
labelNode.focus();
}, onKey:function (e) {
if (!e.key || e.ctrkKey || e.altKey) {
return;
}
var nodeWidget = this.domElement2TreeNode(e.target);
if (!nodeWidget) {
return;
}
var treeWidget = nodeWidget.tree;
if (treeWidget.lastFocused && treeWidget.lastFocused.labelNode) {
nodeWidget = treeWidget.lastFocused;
}
switch (e.key) {
case e.KEY_TAB:
if (e.shiftKey) {
treeWidget.domNode.setAttribute("tabIndex", "-1");
}
break;
case e.KEY_RIGHT_ARROW:
this._focusZoomIn(nodeWidget);
dojo.event.browser.stopEvent(e);
break;
case e.KEY_LEFT_ARROW:
this._focusZoomOut(nodeWidget);
dojo.event.browser.stopEvent(e);
break;
case e.KEY_UP_ARROW:
this._focusPreviousVisible(nodeWidget);
dojo.event.browser.stopEvent(e);
break;
case e.KEY_DOWN_ARROW:
this._focusNextVisible(nodeWidget);
dojo.event.browser.stopEvent(e);
break;
}
}, onFocusTree:function (e) {
if (!e.currentTarget) {
return;
}
try {
var treeWidget = this.getWidgetByNode(e.currentTarget);
if (!treeWidget || !treeWidget.isTree) {
return;
}
var nodeWidget = this.getWidgetByNode(treeWidget.domNode.firstChild);
if (nodeWidget && nodeWidget.isTreeNode) {
if (treeWidget.lastFocused && treeWidget.lastFocused.isTreeNode) {
nodeWidget = treeWidget.lastFocused;
}
this._focusLabel(nodeWidget);
}
}
catch (e) {
}
}, onAfterTreeCreate:function (message) {
var tree = message.source;
dojo.event.browser.addListener(tree.domNode, "onKey", dojo.lang.hitch(this, this.onKey));
dojo.event.browser.addListener(tree.domNode, "onmousedown", dojo.lang.hitch(this, this.onTreeMouseDown));
dojo.event.browser.addListener(tree.domNode, "onclick", dojo.lang.hitch(this, this.onTreeClick));
dojo.event.browser.addListener(tree.domNode, "onfocus", dojo.lang.hitch(this, this.onFocusTree));
tree.domNode.setAttribute("tabIndex", "0");
if (tree.expandLevel) {
this.expandToLevel(tree, tree.expandLevel);
}
if (tree.loadLevel) {
this.loadToLevel(tree, tree.loadLevel);
}
}, onTreeMouseDown:function (e) {
}, onTreeClick:function (e) {
var domElement = e.target;
var node = this.domElement2TreeNode(domElement);
if (!node || !node.isTreeNode) {
return;
}
var checkExpandClick = function (el) {
return el === node.expandNode;
};
if (this.checkPathCondition(domElement, checkExpandClick)) {
this.processExpandClick(node);
}
this._focusLabel(node);
}, processExpandClick:function (node) {
if (node.isExpanded) {
this.collapse(node);
} else {
this.expand(node);
}
}, batchExpandTimeout:20, expandAll:function (nodeOrTree) {
return this.expandToLevel(nodeOrTree, Number.POSITIVE_INFINITY);
}, collapseAll:function (nodeOrTree) {
var _this = this;
var filter = function (elem) {
return (elem instanceof dojo.widget.Widget) && elem.isFolder && elem.isExpanded;
};
if (nodeOrTree.isTreeNode) {
this.processDescendants(nodeOrTree, filter, this.collapse);
} else {
if (nodeOrTree.isTree) {
dojo.lang.forEach(nodeOrTree.children, function (c) {
_this.processDescendants(c, filter, _this.collapse);
});
}
}
}, expandToNode:function (node, withSelected) {
n = withSelected ? node : node.parent;
s = [];
while (!n.isExpanded) {
s.push(n);
n = n.parent;
}
dojo.lang.forEach(s, function (n) {
n.expand();
});
}, expandToLevel:function (nodeOrTree, level) {
dojo.require("dojo.widget.TreeTimeoutIterator");
var _this = this;
var filterFunc = function (elem) {
var res = elem.isFolder || elem.children && elem.children.length;
return res;
};
var callFunc = function (node, iterator) {
_this.expand(node, true);
iterator.forward();
};
var iterator = new dojo.widget.TreeTimeoutIterator(nodeOrTree, callFunc, this);
iterator.setFilter(filterFunc);
iterator.timeout = this.batchExpandTimeout;
iterator.setMaxLevel(nodeOrTree.isTreeNode ? level - 1 : level);
return iterator.start(nodeOrTree.isTreeNode);
}, getWidgetByNode:function (node) {
var widgetId;
var newNode = node;
while (!(widgetId = newNode.widgetId)) {
newNode = newNode.parentNode;
if (newNode == null) {
break;
}
}
if (widgetId) {
return dojo.widget.byId(widgetId);
} else {
if (node == null) {
return null;
} else {
return dojo.widget.manager.byNode(node);
}
}
}, expand:function (node) {
if (node.isFolder) {
node.expand();
}
}, collapse:function (node) {
if (node.isFolder) {
node.collapse();
}
}, canEditLabel:function (node) {
if (node.actionIsDisabledNow(node.actions.EDIT)) {
return false;
}
return true;
}, editLabelStart:function (node) {
if (!this.canEditLabel(node)) {
return false;
}
if (!this.editor.isClosed()) {
this.editLabelFinish(this.editor.saveOnBlur);
}
this.doEditLabelStart(node);
}, editLabelFinish:function (save) {
this.doEditLabelFinish(save);
}, doEditLabelStart:function (node) {
if (!this.editor) {
dojo.raise(this.widgetType + ": no editor specified");
}
this.editor.open(node);
}, doEditLabelFinish:function (save, server_data) {
if (!this.editor) {
dojo.raise(this.widgetType + ": no editor specified");
}
var node = this.editor.node;
var editorTitle = this.editor.getContents();
this.editor.close(save);
if (save) {
var data = {title:editorTitle};
if (server_data) {
dojo.lang.mixin(data, server_data);
}
if (node.isPhantom) {
var parent = node.parent;
var index = node.getParentIndex();
node.destroy();
dojo.widget.TreeBasicControllerV3.prototype.doCreateChild.call(this, parent, index, data);
} else {
var title = server_data && server_data.title ? server_data.title : editorTitle;
node.setTitle(title);
}
} else {
if (node.isPhantom) {
node.destroy();
}
}
}, makeDefaultNode:function (parent, index) {
var data = {title:parent.tree.defaultChildTitle};
return dojo.widget.TreeBasicControllerV3.prototype.doCreateChild.call(this, parent, index, data);
}, runStages:function (check, prepare, make, finalize, expose, args) {
if (check && !check.apply(this, args)) {
return false;
}
if (prepare && !prepare.apply(this, args)) {
return false;
}
var result = make.apply(this, args);
if (finalize) {
finalize.apply(this, args);
}
if (!result) {
return result;
}
if (expose) {
expose.apply(this, args);
}
return result;
}});
dojo.lang.extend(dojo.widget.TreeBasicControllerV3, {createAndEdit:function (parent, index) {
var data = {title:parent.tree.defaultChildTitle};
if (!this.canCreateChild(parent, index, data)) {
return false;
}
var child = this.doCreateChild(parent, index, data);
if (!child) {
return false;
}
this.exposeCreateChild(parent, index, data);
child.isPhantom = true;
if (!this.editor.isClosed()) {
this.editLabelFinish(this.editor.saveOnBlur);
}
this.doEditLabelStart(child);
}});
dojo.lang.extend(dojo.widget.TreeBasicControllerV3, {canClone:function (child, newParent, index, deep) {
return true;
}, clone:function (child, newParent, index, deep) {
return this.runStages(this.canClone, this.prepareClone, this.doClone, this.finalizeClone, this.exposeClone, arguments);
}, exposeClone:function (child, newParent) {
if (newParent.isTreeNode) {
this.expand(newParent);
}
}, doClone:function (child, newParent, index, deep) {
var cloned = child.clone(deep);
newParent.addChild(cloned, index);
return cloned;
}});
dojo.lang.extend(dojo.widget.TreeBasicControllerV3, {canDetach:function (child) {
if (child.actionIsDisabledNow(child.actions.DETACH)) {
return false;
}
return true;
}, detach:function (node) {
return this.runStages(this.canDetach, this.prepareDetach, this.doDetach, this.finalizeDetach, this.exposeDetach, arguments);
}, doDetach:function (node, callObj, callFunc) {
node.detach();
}});
dojo.lang.extend(dojo.widget.TreeBasicControllerV3, {canDestroyChild:function (child) {
if (child.parent && !this.canDetach(child)) {
return false;
}
return true;
}, destroyChild:function (node) {
return this.runStages(this.canDestroyChild, this.prepareDestroyChild, this.doDestroyChild, this.finalizeDestroyChild, this.exposeDestroyChild, arguments);
}, doDestroyChild:function (node) {
node.destroy();
}});
dojo.lang.extend(dojo.widget.TreeBasicControllerV3, {canMoveNotANode:function (child, parent) {
if (child.treeCanMove) {
return child.treeCanMove(parent);
}
return true;
}, canMove:function (child, newParent) {
if (!child.isTreeNode) {
return this.canMoveNotANode(child, newParent);
}
if (child.actionIsDisabledNow(child.actions.MOVE)) {
return false;
}
if (child.parent !== newParent && newParent.actionIsDisabledNow(newParent.actions.ADDCHILD)) {
return false;
}
var node = newParent;
while (node.isTreeNode) {
if (node === child) {
return false;
}
node = node.parent;
}
return true;
}, move:function (child, newParent, index) {
return this.runStages(this.canMove, this.prepareMove, this.doMove, this.finalizeMove, this.exposeMove, arguments);
}, doMove:function (child, newParent, index) {
child.tree.move(child, newParent, index);
return true;
}, exposeMove:function (child, newParent) {
if (newParent.isTreeNode) {
this.expand(newParent);
}
}});
dojo.lang.extend(dojo.widget.TreeBasicControllerV3, {canCreateChild:function (parent, index, data) {
if (parent.actionIsDisabledNow(parent.actions.ADDCHILD)) {
return false;
}
return true;
}, createChild:function (parent, index, data) {
if (!data) {
data = {title:parent.tree.defaultChildTitle};
}
return this.runStages(this.canCreateChild, this.prepareCreateChild, this.doCreateChild, this.finalizeCreateChild, this.exposeCreateChild, [parent, index, data]);
}, prepareCreateChild:function () {
return true;
}, finalizeCreateChild:function () {
}, doCreateChild:function (parent, index, data) {
var newChild = parent.tree.createNode(data);
parent.addChild(newChild, index);
return newChild;
}, exposeCreateChild:function (parent) {
return this.expand(parent);
}});