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1318 alexandre_ 1 
/*
2 
	Copyright (c) 2004-2006, The Dojo Foundation
3 
	All Rights Reserved.
4 
 
5 
	Licensed under the Academic Free License version 2.1 or above OR the
6 
	modified BSD license. For more information on Dojo licensing, see:
7 
 
8 
		http://dojotoolkit.org/community/licensing.shtml
9 
*/
10 
 
1422 alexandre_ 11 
 
12 
 
1318 alexandre_ 13 
dojo.provide("dojo.widget.TreeBasicControllerV3");
14 
dojo.require("dojo.event.*");
15 
dojo.require("dojo.json");
16 
dojo.require("dojo.io.*");
17 
dojo.require("dojo.widget.TreeCommon");
18 
dojo.require("dojo.widget.TreeNodeV3");
19 
dojo.require("dojo.widget.TreeV3");
20 
dojo.widget.defineWidget("dojo.widget.TreeBasicControllerV3", [dojo.widget.HtmlWidget, dojo.widget.TreeCommon], function () {
21 
	this.listenedTrees = {};
22 
}, {listenTreeEvents:["afterSetFolder", "afterTreeCreate", "beforeTreeDestroy"], listenNodeFilter:function (elem) {
23 
	return elem instanceof dojo.widget.Widget;
24 
}, editor:null, initialize:function (args) {
25 
	if (args.editor) {
26 
		this.editor = dojo.widget.byId(args.editor);
27 
		this.editor.controller = this;
28 
	}
29 
}, getInfo:function (elem) {
30 
	return elem.getInfo();
31 
}, onBeforeTreeDestroy:function (message) {
32 
	this.unlistenTree(message.source);
33 
}, onAfterSetFolder:function (message) {
34 
	if (message.source.expandLevel > 0) {
35 
		this.expandToLevel(message.source, message.source.expandLevel);
36 
	}
37 
	if (message.source.loadLevel > 0) {
38 
		this.loadToLevel(message.source, message.source.loadLevel);
39 
	}
40 
}, _focusNextVisible:function (nodeWidget) {
41 
	if (nodeWidget.isFolder && nodeWidget.isExpanded && nodeWidget.children.length > 0) {
42 
		returnWidget = nodeWidget.children[0];
43 
	} else {
44 
		while (nodeWidget.isTreeNode && nodeWidget.isLastChild()) {
45 
			nodeWidget = nodeWidget.parent;
46 
		}
47 
		if (nodeWidget.isTreeNode) {
48 
			var returnWidget = nodeWidget.parent.children[nodeWidget.getParentIndex() + 1];
49 
		}
50 
	}
51 
	if (returnWidget && returnWidget.isTreeNode) {
52 
		this._focusLabel(returnWidget);
53 
		return returnWidget;
54 
	}
55 
}, _focusPreviousVisible:function (nodeWidget) {
56 
	var returnWidget = nodeWidget;
57 
	if (!nodeWidget.isFirstChild()) {
58 
		var previousSibling = nodeWidget.parent.children[nodeWidget.getParentIndex() - 1];
59 
		nodeWidget = previousSibling;
60 
		while (nodeWidget.isFolder && nodeWidget.isExpanded && nodeWidget.children.length > 0) {
61 
			returnWidget = nodeWidget;
62 
			nodeWidget = nodeWidget.children[nodeWidget.children.length - 1];
63 
		}
64 
	} else {
65 
		nodeWidget = nodeWidget.parent;
66 
	}
67 
	if (nodeWidget && nodeWidget.isTreeNode) {
68 
		returnWidget = nodeWidget;
69 
	}
70 
	if (returnWidget && returnWidget.isTreeNode) {
71 
		this._focusLabel(returnWidget);
72 
		return returnWidget;
73 
	}
74 
}, _focusZoomIn:function (nodeWidget) {
75 
	var returnWidget = nodeWidget;
76 
	if (nodeWidget.isFolder && !nodeWidget.isExpanded) {
77 
		this.expand(nodeWidget);
78 
	} else {
79 
		if (nodeWidget.children.length > 0) {
80 
			nodeWidget = nodeWidget.children[0];
81 
		}
82 
	}
83 
	if (nodeWidget && nodeWidget.isTreeNode) {
84 
		returnWidget = nodeWidget;
85 
	}
86 
	if (returnWidget && returnWidget.isTreeNode) {
87 
		this._focusLabel(returnWidget);
88 
		return returnWidget;
89 
	}
90 
}, _focusZoomOut:function (node) {
91 
	var returnWidget = node;
92 
	if (node.isFolder && node.isExpanded) {
93 
		this.collapse(node);
94 
	} else {
95 
		node = node.parent;
96 
	}
97 
	if (node && node.isTreeNode) {
98 
		returnWidget = node;
99 
	}
100 
	if (returnWidget && returnWidget.isTreeNode) {
101 
		this._focusLabel(returnWidget);
102 
		return returnWidget;
103 
	}
104 
}, onFocusNode:function (e) {
105 
	var node = this.domElement2TreeNode(e.target);
106 
	if (node) {
107 
		node.viewFocus();
108 
		dojo.event.browser.stopEvent(e);
109 
	}
110 
}, onBlurNode:function (e) {
111 
	var node = this.domElement2TreeNode(e.target);
112 
	if (!node) {
113 
		return;
114 
	}
115 
	var labelNode = node.labelNode;
116 
	labelNode.setAttribute("tabIndex", "-1");
117 
	node.viewUnfocus();
118 
	dojo.event.browser.stopEvent(e);
119 
	node.tree.domNode.setAttribute("tabIndex", "0");
120 
}, _focusLabel:function (node) {
121 
	var lastFocused = node.tree.lastFocused;
122 
	var labelNode;
123 
	if (lastFocused && lastFocused.labelNode) {
124 
		labelNode = lastFocused.labelNode;
125 
		dojo.event.disconnect(labelNode, "onblur", this, "onBlurNode");
126 
		labelNode.setAttribute("tabIndex", "-1");
127 
		dojo.html.removeClass(labelNode, "TreeLabelFocused");
128 
	}
129 
	labelNode = node.labelNode;
130 
	labelNode.setAttribute("tabIndex", "0");
131 
	node.tree.lastFocused = node;
132 
	dojo.html.addClass(labelNode, "TreeLabelFocused");
133 
	dojo.event.connectOnce(labelNode, "onblur", this, "onBlurNode");
134 
	dojo.event.connectOnce(labelNode, "onfocus", this, "onFocusNode");
135 
	labelNode.focus();
136 
}, onKey:function (e) {
137 
	if (!e.key || e.ctrkKey || e.altKey) {
138 
		return;
139 
	}
140 
	var nodeWidget = this.domElement2TreeNode(e.target);
141 
	if (!nodeWidget) {
142 
		return;
143 
	}
144 
	var treeWidget = nodeWidget.tree;
145 
	if (treeWidget.lastFocused && treeWidget.lastFocused.labelNode) {
146 
		nodeWidget = treeWidget.lastFocused;
147 
	}
148 
	switch (e.key) {
149 
	  case e.KEY_TAB:
150 
		if (e.shiftKey) {
151 
			treeWidget.domNode.setAttribute("tabIndex", "-1");
152 
		}
153 
		break;
154 
	  case e.KEY_RIGHT_ARROW:
155 
		this._focusZoomIn(nodeWidget);
156 
		dojo.event.browser.stopEvent(e);
157 
		break;
158 
	  case e.KEY_LEFT_ARROW:
159 
		this._focusZoomOut(nodeWidget);
160 
		dojo.event.browser.stopEvent(e);
161 
		break;
162 
	  case e.KEY_UP_ARROW:
163 
		this._focusPreviousVisible(nodeWidget);
164 
		dojo.event.browser.stopEvent(e);
165 
		break;
166 
	  case e.KEY_DOWN_ARROW:
167 
		this._focusNextVisible(nodeWidget);
168 
		dojo.event.browser.stopEvent(e);
169 
		break;
170 
	}
171 
}, onFocusTree:function (e) {
172 
	if (!e.currentTarget) {
173 
		return;
174 
	}
175 
	try {
176 
		var treeWidget = this.getWidgetByNode(e.currentTarget);
177 
		if (!treeWidget || !treeWidget.isTree) {
178 
			return;
179 
		}
180 
		var nodeWidget = this.getWidgetByNode(treeWidget.domNode.firstChild);
181 
		if (nodeWidget && nodeWidget.isTreeNode) {
182 
			if (treeWidget.lastFocused && treeWidget.lastFocused.isTreeNode) {
183 
				nodeWidget = treeWidget.lastFocused;
184 
			}
185 
			this._focusLabel(nodeWidget);
186 
		}
187 
	}
188 
	catch (e) {
189 
	}
190 
}, onAfterTreeCreate:function (message) {
191 
	var tree = message.source;
192 
	dojo.event.browser.addListener(tree.domNode, "onKey", dojo.lang.hitch(this, this.onKey));
193 
	dojo.event.browser.addListener(tree.domNode, "onmousedown", dojo.lang.hitch(this, this.onTreeMouseDown));
194 
	dojo.event.browser.addListener(tree.domNode, "onclick", dojo.lang.hitch(this, this.onTreeClick));
195 
	dojo.event.browser.addListener(tree.domNode, "onfocus", dojo.lang.hitch(this, this.onFocusTree));
196 
	tree.domNode.setAttribute("tabIndex", "0");
197 
	if (tree.expandLevel) {
198 
		this.expandToLevel(tree, tree.expandLevel);
199 
	}
200 
	if (tree.loadLevel) {
201 
		this.loadToLevel(tree, tree.loadLevel);
202 
	}
203 
}, onTreeMouseDown:function (e) {
204 
}, onTreeClick:function (e) {
205 
	var domElement = e.target;
206 
	var node = this.domElement2TreeNode(domElement);
207 
	if (!node || !node.isTreeNode) {
208 
		return;
209 
	}
210 
	var checkExpandClick = function (el) {
211 
		return el === node.expandNode;
212 
	};
213 
	if (this.checkPathCondition(domElement, checkExpandClick)) {
214 
		this.processExpandClick(node);
215 
	}
216 
	this._focusLabel(node);
217 
}, processExpandClick:function (node) {
218 
	if (node.isExpanded) {
219 
		this.collapse(node);
220 
	} else {
221 
		this.expand(node);
222 
	}
223 
}, batchExpandTimeout:20, expandAll:function (nodeOrTree) {
224 
	return this.expandToLevel(nodeOrTree, Number.POSITIVE_INFINITY);
225 
}, collapseAll:function (nodeOrTree) {
226 
	var _this = this;
227 
	var filter = function (elem) {
228 
		return (elem instanceof dojo.widget.Widget) && elem.isFolder && elem.isExpanded;
229 
	};
230 
	if (nodeOrTree.isTreeNode) {
231 
		this.processDescendants(nodeOrTree, filter, this.collapse);
232 
	} else {
233 
		if (nodeOrTree.isTree) {
234 
			dojo.lang.forEach(nodeOrTree.children, function (c) {
235 
				_this.processDescendants(c, filter, _this.collapse);
236 
			});
237 
		}
238 
	}
239 
}, expandToNode:function (node, withSelected) {
240 
	n = withSelected ? node : node.parent;
241 
	s = [];
242 
	while (!n.isExpanded) {
243 
		s.push(n);
244 
		n = n.parent;
245 
	}
246 
	dojo.lang.forEach(s, function (n) {
247 
		n.expand();
248 
	});
249 
}, expandToLevel:function (nodeOrTree, level) {
250 
	dojo.require("dojo.widget.TreeTimeoutIterator");
251 
	var _this = this;
252 
	var filterFunc = function (elem) {
253 
		var res = elem.isFolder || elem.children && elem.children.length;
254 
		return res;
255 
	};
256 
	var callFunc = function (node, iterator) {
257 
		_this.expand(node, true);
258 
		iterator.forward();
259 
	};
260 
	var iterator = new dojo.widget.TreeTimeoutIterator(nodeOrTree, callFunc, this);
261 
	iterator.setFilter(filterFunc);
262 
	iterator.timeout = this.batchExpandTimeout;
263 
	iterator.setMaxLevel(nodeOrTree.isTreeNode ? level - 1 : level);
264 
	return iterator.start(nodeOrTree.isTreeNode);
265 
}, getWidgetByNode:function (node) {
266 
	var widgetId;
267 
	var newNode = node;
268 
	while (!(widgetId = newNode.widgetId)) {
269 
		newNode = newNode.parentNode;
270 
		if (newNode == null) {
271 
			break;
272 
		}
273 
	}
274 
	if (widgetId) {
275 
		return dojo.widget.byId(widgetId);
276 
	} else {
277 
		if (node == null) {
278 
			return null;
279 
		} else {
280 
			return dojo.widget.manager.byNode(node);
281 
		}
282 
	}
283 
}, expand:function (node) {
284 
	if (node.isFolder) {
285 
		node.expand();
286 
	}
287 
}, collapse:function (node) {
288 
	if (node.isFolder) {
289 
		node.collapse();
290 
	}
291 
}, canEditLabel:function (node) {
292 
	if (node.actionIsDisabledNow(node.actions.EDIT)) {
293 
		return false;
294 
	}
295 
	return true;
296 
}, editLabelStart:function (node) {
297 
	if (!this.canEditLabel(node)) {
298 
		return false;
299 
	}
300 
	if (!this.editor.isClosed()) {
301 
		this.editLabelFinish(this.editor.saveOnBlur);
302 
	}
303 
	this.doEditLabelStart(node);
304 
}, editLabelFinish:function (save) {
305 
	this.doEditLabelFinish(save);
306 
}, doEditLabelStart:function (node) {
307 
	if (!this.editor) {
308 
		dojo.raise(this.widgetType + ": no editor specified");
309 
	}
310 
	this.editor.open(node);
311 
}, doEditLabelFinish:function (save, server_data) {
312 
	if (!this.editor) {
313 
		dojo.raise(this.widgetType + ": no editor specified");
314 
	}
315 
	var node = this.editor.node;
316 
	var editorTitle = this.editor.getContents();
317 
	this.editor.close(save);
318 
	if (save) {
319 
		var data = {title:editorTitle};
320 
		if (server_data) {
321 
			dojo.lang.mixin(data, server_data);
322 
		}
323 
		if (node.isPhantom) {
324 
			var parent = node.parent;
325 
			var index = node.getParentIndex();
326 
			node.destroy();
327 
			dojo.widget.TreeBasicControllerV3.prototype.doCreateChild.call(this, parent, index, data);
328 
		} else {
329 
			var title = server_data && server_data.title ? server_data.title : editorTitle;
330 
			node.setTitle(title);
331 
		}
332 
	} else {
333 
		if (node.isPhantom) {
334 
			node.destroy();
335 
		}
336 
	}
337 
}, makeDefaultNode:function (parent, index) {
338 
	var data = {title:parent.tree.defaultChildTitle};
339 
	return dojo.widget.TreeBasicControllerV3.prototype.doCreateChild.call(this, parent, index, data);
340 
}, runStages:function (check, prepare, make, finalize, expose, args) {
341 
	if (check && !check.apply(this, args)) {
342 
		return false;
343 
	}
344 
	if (prepare && !prepare.apply(this, args)) {
345 
		return false;
346 
	}
347 
	var result = make.apply(this, args);
348 
	if (finalize) {
349 
		finalize.apply(this, args);
350 
	}
351 
	if (!result) {
352 
		return result;
353 
	}
354 
	if (expose) {
355 
		expose.apply(this, args);
356 
	}
357 
	return result;
358 
}});
359 
dojo.lang.extend(dojo.widget.TreeBasicControllerV3, {createAndEdit:function (parent, index) {
360 
	var data = {title:parent.tree.defaultChildTitle};
361 
	if (!this.canCreateChild(parent, index, data)) {
362 
		return false;
363 
	}
364 
	var child = this.doCreateChild(parent, index, data);
365 
	if (!child) {
366 
		return false;
367 
	}
368 
	this.exposeCreateChild(parent, index, data);
369 
	child.isPhantom = true;
370 
	if (!this.editor.isClosed()) {
371 
		this.editLabelFinish(this.editor.saveOnBlur);
372 
	}
373 
	this.doEditLabelStart(child);
374 
}});
375 
dojo.lang.extend(dojo.widget.TreeBasicControllerV3, {canClone:function (child, newParent, index, deep) {
376 
	return true;
377 
}, clone:function (child, newParent, index, deep) {
378 
	return this.runStages(this.canClone, this.prepareClone, this.doClone, this.finalizeClone, this.exposeClone, arguments);
379 
}, exposeClone:function (child, newParent) {
380 
	if (newParent.isTreeNode) {
381 
		this.expand(newParent);
382 
	}
383 
}, doClone:function (child, newParent, index, deep) {
384 
	var cloned = child.clone(deep);
385 
	newParent.addChild(cloned, index);
386 
	return cloned;
387 
}});
388 
dojo.lang.extend(dojo.widget.TreeBasicControllerV3, {canDetach:function (child) {
389 
	if (child.actionIsDisabledNow(child.actions.DETACH)) {
390 
		return false;
391 
	}
392 
	return true;
393 
}, detach:function (node) {
394 
	return this.runStages(this.canDetach, this.prepareDetach, this.doDetach, this.finalizeDetach, this.exposeDetach, arguments);
395 
}, doDetach:function (node, callObj, callFunc) {
396 
	node.detach();
397 
}});
398 
dojo.lang.extend(dojo.widget.TreeBasicControllerV3, {canDestroyChild:function (child) {
399 
	if (child.parent && !this.canDetach(child)) {
400 
		return false;
401 
	}
402 
	return true;
403 
}, destroyChild:function (node) {
404 
	return this.runStages(this.canDestroyChild, this.prepareDestroyChild, this.doDestroyChild, this.finalizeDestroyChild, this.exposeDestroyChild, arguments);
405 
}, doDestroyChild:function (node) {
406 
	node.destroy();
407 
}});
408 
dojo.lang.extend(dojo.widget.TreeBasicControllerV3, {canMoveNotANode:function (child, parent) {
409 
	if (child.treeCanMove) {
410 
		return child.treeCanMove(parent);
411 
	}
412 
	return true;
413 
}, canMove:function (child, newParent) {
414 
	if (!child.isTreeNode) {
415 
		return this.canMoveNotANode(child, newParent);
416 
	}
417 
	if (child.actionIsDisabledNow(child.actions.MOVE)) {
418 
		return false;
419 
	}
420 
	if (child.parent !== newParent && newParent.actionIsDisabledNow(newParent.actions.ADDCHILD)) {
421 
		return false;
422 
	}
423 
	var node = newParent;
424 
	while (node.isTreeNode) {
425 
		if (node === child) {
426 
			return false;
427 
		}
428 
		node = node.parent;
429 
	}
430 
	return true;
431 
}, move:function (child, newParent, index) {
432 
	return this.runStages(this.canMove, this.prepareMove, this.doMove, this.finalizeMove, this.exposeMove, arguments);
433 
}, doMove:function (child, newParent, index) {
434 
	child.tree.move(child, newParent, index);
435 
	return true;
436 
}, exposeMove:function (child, newParent) {
437 
	if (newParent.isTreeNode) {
438 
		this.expand(newParent);
439 
	}
440 
}});
441 
dojo.lang.extend(dojo.widget.TreeBasicControllerV3, {canCreateChild:function (parent, index, data) {
442 
	if (parent.actionIsDisabledNow(parent.actions.ADDCHILD)) {
443 
		return false;
444 
	}
445 
	return true;
446 
}, createChild:function (parent, index, data) {
447 
	if (!data) {
448 
		data = {title:parent.tree.defaultChildTitle};
449 
	}
450 
	return this.runStages(this.canCreateChild, this.prepareCreateChild, this.doCreateChild, this.finalizeCreateChild, this.exposeCreateChild, [parent, index, data]);
451 
}, prepareCreateChild:function () {
452 
	return true;
453 
}, finalizeCreateChild:function () {
454 
}, doCreateChild:function (parent, index, data) {
455 
	var newChild = parent.tree.createNode(data);
456 
	parent.addChild(newChild, index);
457 
	return newChild;
458 
}, exposeCreateChild:function (parent) {
459 
	return this.expand(parent);
460 
}});
461