https://energiasrenovaveis.com/SpryAssets/SpryTabbedPanels.js

1/* SpryTabbedPanels.js - Revision: Spry Preview Release 1.4 */
2
3// Copyright (c) 2006. Adobe Systems Incorporated.
4// All rights reserved.
5//
6// Redistribution and use in source and binary forms, with or without
7// modification, are permitted provided that the following conditions are met:
8//
9//   * Redistributions of source code must retain the above copyright notice,
10//     this list of conditions and the following disclaimer.
11//   * Redistributions in binary form must reproduce the above copyright notice,
12//     this list of conditions and the following disclaimer in the documentation
13//     and/or other materials provided with the distribution.
14//   * Neither the name of Adobe Systems Incorporated nor the names of its
15//     contributors may be used to endorse or promote products derived from this
16//     software without specific prior written permission.
17//
18// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28// POSSIBILITY OF SUCH DAMAGE.
29
30var Spry;
31if (!Spry) Spry = {};
32if (!Spry.Widget) Spry.Widget = {};
33
34Spry.Widget.TabbedPanels = function(element, opts)
35{
36	this.element = this.getElement(element);
37	this.defaultTab = 0; // Show the first panel by default.
38	this.bindings = [];
39	this.tabSelectedClass = "TabbedPanelsTabSelected";
40	this.tabHoverClass = "TabbedPanelsTabHover";
41	this.tabFocusedClass = "TabbedPanelsTabFocused";
42	this.panelVisibleClass = "TabbedPanelsContentVisible";
43	this.focusElement = null;
44	this.hasFocus = false;
45	this.currentTabIndex = 0;
46	this.enableKeyboardNavigation = true;
47
48	Spry.Widget.TabbedPanels.setOptions(this, opts);
49
50	// If the defaultTab is expressed as a number/index, convert
51	// it to an element.
52
53	if (typeof (this.defaultTab) == "number")
54	{
55		if (this.defaultTab < 0)
56			this.defaultTab = 0;
57		else
58		{
59			var count = this.getTabbedPanelCount();
60			if (this.defaultTab >= count)
61				this.defaultTab = (count > 1) ? (count - 1) : 0;
62		}
63
64		this.defaultTab = this.getTabs()[this.defaultTab];
65	}
66
67	// The defaultTab property is supposed to be the tab element for the tab content
68	// to show by default. The caller is allowed to pass in the element itself or the
69	// element's id, so we need to convert the current value to an element if necessary.
70
71	if (this.defaultTab)
72		this.defaultTab = this.getElement(this.defaultTab);
73
74	this.attachBehaviors();
75};
76
77Spry.Widget.TabbedPanels.prototype.getElement = function(ele)
78{
79	if (ele && typeof ele == "string")
80		return document.getElementById(ele);
81	return ele;
82}
83
84Spry.Widget.TabbedPanels.prototype.getElementChildren = function(element)
85{
86	var children = [];
87	var child = element.firstChild;
88	while (child)
89	{
90		if (child.nodeType == 1 /* Node.ELEMENT_NODE */)
91			children.push(child);
92		child = child.nextSibling;
93	}
94	return children;
95};
96
97Spry.Widget.TabbedPanels.prototype.addClassName = function(ele, className)
98{
99	if (!ele || !className || (ele.className && ele.className.search(new RegExp("\\b" + className + "\\b")) != -1))
100		return;
101	ele.className += (ele.className ? " " : "") + className;
102};
103
104Spry.Widget.TabbedPanels.prototype.removeClassName = function(ele, className)
105{
106	if (!ele || !className || (ele.className && ele.className.search(new RegExp("\\b" + className + "\\b")) == -1))
107		return;
108	ele.className = ele.className.replace(new RegExp("\\s*\\b" + className + "\\b", "g"), "");
109};

110
111Spry.Widget.TabbedPanels.setOptions = function(obj, optionsObj, ignoreUndefinedProps)
112{
113	if (!optionsObj)
114		return;
115	for (var optionName in optionsObj)
116	{
117		if (ignoreUndefinedProps && optionsObj[optionName] == undefined)
118			continue;
119		obj[optionName] = optionsObj[optionName];
120	}
121};
122
123Spry.Widget.TabbedPanels.prototype.getTabGroup = function()
124{
125	if (this.element)
126	{
127		var children = this.getElementChildren(this.element);
128		if (children.length)
129			return children[0];
130	}
131	return null;
132};
133
134Spry.Widget.TabbedPanels.prototype.getTabs = function()
135{
136	var tabs = [];
137	var tg = this.getTabGroup();
138	if (tg)
139		tabs = this.getElementChildren(tg);
140	return tabs;
141};
142
143Spry.Widget.TabbedPanels.prototype.getContentPanelGroup = function()
144{
145	if (this.element)
146	{
147		var children = this.getElementChildren(this.element);
148		if (children.length > 1)
149			return children[1];
150	}
151	return null;
152};
153
154Spry.Widget.TabbedPanels.prototype.getContentPanels = function()
155{
156	var panels = [];
157	var pg = this.getContentPanelGroup();
158	if (pg)
159		panels = this.getElementChildren(pg);
160	return panels;
161};
162
163Spry.Widget.TabbedPanels.prototype.getIndex = function(ele, arr)
164{
165	ele = this.getElement(ele);
166	if (ele && arr && arr.length)
167	{
168		for (var i = 0; i < arr.length; i++)
169		{
170			if (ele == arr[i])
171				return i;
172		}
173	}
174	return -1;
175};
176
177Spry.Widget.TabbedPanels.prototype.getTabIndex = function(ele)
178{
179	var i = this.getIndex(ele, this.getTabs());
180	if (i < 0)
181		i = this.getIndex(ele, this.getContentPanels());
182	return i;
183};
184
185Spry.Widget.TabbedPanels.prototype.getCurrentTabIndex = function()
186{
187	return this.currentTabIndex;
188};
189
190Spry.Widget.TabbedPanels.prototype.getTabbedPanelCount = function(ele)
191{
192	return Math.min(this.getTabs().length, this.getContentPanels().length);
193};
194
195Spry.Widget.TabbedPanels.addEventListener = function(element, eventType, handler, capture)
196{
197	try
198	{
199		if (element.addEventListener)
200			element.addEventListener(eventType, handler, capture);
201		else if (element.attachEvent)
202			element.attachEvent("on" + eventType, handler);
203	}
204	catch (e) {}
205};
206
207Spry.Widget.TabbedPanels.prototype.onTabClick = function(e, tab)
208{
209	this.showPanel(tab);
210};
211
212Spry.Widget.TabbedPanels.prototype.onTabMouseOver = function(e, tab)
213{
214	this.addClassName(tab, this.tabHoverClass);
215};
216
217Spry.Widget.TabbedPanels.prototype.onTabMouseOut = function(e, tab)
218{
219	this.removeClassName(tab, this.tabHoverClass);
220};
221
222Spry.Widget.TabbedPanels.prototype.onTabFocus = function(e, tab)
223{
224	this.hasFocus = true;
225	this.addClassName(this.element, this.tabFocusedClass);
226};
227
228Spry.Widget.TabbedPanels.prototype.onTabBlur = function(e, tab)
229{
230	this.hasFocus = false;
231	this.removeClassName(this.element, this.tabFocusedClass);
232};
233
234Spry.Widget.TabbedPanels.ENTER_KEY = 13;
235Spry.Widget.TabbedPanels.SPACE_KEY = 32;
236
237Spry.Widget.TabbedPanels.prototype.onTabKeyDown = function(e, tab)
238{
239	var key = e.keyCode;
240	if (!this.hasFocus || (key != Spry.Widget.TabbedPanels.ENTER_KEY && key != Spry.Widget.TabbedPanels.SPACE_KEY))
241		return true;
242
243	this.showPanel(tab);
244
245	if (e.stopPropagation)
246		e.stopPropagation();
247	if (e.preventDefault)
248		e.preventDefault();
249
250	return false;
251};
252
253Spry.Widget.TabbedPanels.prototype.preorderTraversal = function(root, func)
254{
255	var stopTraversal = false;
256	if (root)
257	{
258		stopTraversal = func(root);
259		if (root.hasChildNodes())
260		{
261			var child = root.firstChild;
262			while (!stopTraversal && child)
263			{
264				stopTraversal = this.preorderTraversal(child, func);
265				try { child = child.nextSibling; } catch (e) { child = null; }
266			}
267		}
268	}
269	return stopTraversal;
270};
271
272Spry.Widget.TabbedPanels.prototype.addPanelEventListeners = function(tab, panel)
273{
274	var self = this;
275	Spry.Widget.TabbedPanels.addEventListener(tab, "click", function(e) { return self.onTabClick(e, tab); }, false);
276	Spry.Widget.TabbedPanels.addEventListener(tab, "mouseover", function(e) { return self.onTabMouseOver(e, tab); }, false);
277	Spry.Widget.TabbedPanels.addEventListener(tab, "mouseout", function(e) { return self.onTabMouseOut(e, tab); }, false);
278
279	if (this.enableKeyboardNavigation)
280	{
281		// XXX: IE doesn't allow the setting of tabindex dynamically. This means we can't
282		// rely on adding the tabindex attribute if it is missing to enable keyboard navigation
283		// by default.
284
285		// Find the first element within the tab container that has a tabindex or the first
286		// anchor tag.
287		
288		var tabIndexEle = null;
289		var tabAnchorEle = null;
290
291		this.preorderTraversal(tab, function(node) {
292			if (node.nodeType == 1 /* NODE.ELEMENT_NODE */)
293			{
294				var tabIndexAttr = tab.attributes.getNamedItem("tabindex");
295				if (tabIndexAttr)
296				{
297					tabIndexEle = node;
298					return true;
299				}
300				if (!tabAnchorEle && node.nodeName.toLowerCase() == "a")
301					tabAnchorEle = node;
302			}
303			return false;
304		});
305
306		if (tabIndexEle)
307			this.focusElement = tabIndexEle;
308		else if (tabAnchorEle)
309			this.focusElement = tabAnchorEle;
310
311		if (this.focusElement)
312		{
313			Spry.Widget.TabbedPanels.addEventListener(this.focusElement, "focus", function(e) { return self.onTabFocus(e, tab); }, false);
314			Spry.Widget.TabbedPanels.addEventListener(this.focusElement, "blur", function(e) { return self.onTabBlur(e, tab); }, false);
315			Spry.Widget.TabbedPanels.addEventListener(this.focusElement, "keydown", function(e) { return self.onTabKeyDown(e, tab); }, false);
316		}
317	}
318};
319
320Spry.Widget.TabbedPanels.prototype.showPanel = function(elementOrIndex)
321{
322	var tpIndex = -1;
323	
324	if (typeof elementOrIndex == "number")
325		tpIndex = elementOrIndex;
326	else // Must be the element for the tab or content panel.
327		tpIndex = this.getTabIndex(elementOrIndex);
328	
329	if (!tpIndex < 0 || tpIndex >= this.getTabbedPanelCount())
330		return;
331
332	var tabs = this.getTabs();

333	var panels = this.getContentPanels();
334
335	var numTabbedPanels = Math.max(tabs.length, panels.length);
336
337	for (var i = 0; i < numTabbedPanels; i++)
338	{
339		if (i != tpIndex)
340		{
341			if (tabs[i])
342				this.removeClassName(tabs[i], this.tabSelectedClass);
343			if (panels[i])
344			{
345				this.removeClassName(panels[i], this.panelVisibleClass);
346				panels[i].style.display = "none";
347			}
348		}
349	}
350
351	this.addClassName(tabs[tpIndex], this.tabSelectedClass);
352	this.addClassName(panels[tpIndex], this.panelVisibleClass);
353	panels[tpIndex].style.display = "block";
354
355	this.currentTabIndex = tpIndex;
356};
357
358Spry.Widget.TabbedPanels.prototype.attachBehaviors = function(element)
359{
360	var tabs = this.getTabs();
361	var panels = this.getContentPanels();
362	var panelCount = this.getTabbedPanelCount();
363
364	for (var i = 0; i < panelCount; i++)
365		this.addPanelEventListeners(tabs[i], panels[i]);
366
367	this.showPanel(this.defaultTab);
368};