// SpryCollapsiblePanel.js - version 0.7 - Spry Pre-Release 1.6
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//
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// Copyright (c) 2006. Adobe Systems Incorporated.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of Adobe Systems Incorporated nor the names of its
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// contributors may be used to endorse or promote products derived from this
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// software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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var Spry;
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if (!Spry) Spry = {};
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if (!Spry.Widget) Spry.Widget = {};
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Spry.Widget.CollapsiblePanel = function(element, opts)
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{
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this.element = this.getElement(element);
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this.focusElement = null;
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this.hoverClass = "CollapsiblePanelTabHover";
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this.openClass = "CollapsiblePanelOpen";
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this.closedClass = "CollapsiblePanelClosed";
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this.focusedClass = "CollapsiblePanelFocused";
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this.enableAnimation = true;
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this.enableKeyboardNavigation = true;
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this.animator = null;
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this.hasFocus = false;
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this.contentIsOpen = true;
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this.openPanelKeyCode = Spry.Widget.CollapsiblePanel.KEY_DOWN;
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this.closePanelKeyCode = Spry.Widget.CollapsiblePanel.KEY_UP;
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Spry.Widget.CollapsiblePanel.setOptions(this, opts);
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this.attachBehaviors();
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};
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Spry.Widget.CollapsiblePanel.prototype.getElement = function(ele)
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{
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if (ele && typeof ele == "string")
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return document.getElementById(ele);
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return ele;
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};
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Spry.Widget.CollapsiblePanel.prototype.addClassName = function(ele, className)
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{
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if (!ele || !className || (ele.className && ele.className.search(new RegExp("\\b" + className + "\\b")) != -1))
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return;
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ele.className += (ele.className ? " " : "") + className;
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};
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Spry.Widget.CollapsiblePanel.prototype.removeClassName = function(ele, className)
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{
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if (!ele || !className || (ele.className && ele.className.search(new RegExp("\\b" + className + "\\b")) == -1))
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return;
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ele.className = ele.className.replace(new RegExp("\\s*\\b" + className + "\\b", "g"), "");
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};
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Spry.Widget.CollapsiblePanel.prototype.hasClassName = function(ele, className)
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{
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if (!ele || !className || !ele.className || ele.className.search(new RegExp("\\b" + className + "\\b")) == -1)
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return false;
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return true;
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};
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Spry.Widget.CollapsiblePanel.prototype.setDisplay = function(ele, display)
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{
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if( ele )
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ele.style.display = display;
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};
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Spry.Widget.CollapsiblePanel.setOptions = function(obj, optionsObj, ignoreUndefinedProps)
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{
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if (!optionsObj)
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return;
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for (var optionName in optionsObj)
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{
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if (ignoreUndefinedProps && optionsObj[optionName] == undefined)
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continue;
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obj[optionName] = optionsObj[optionName];
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}
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};
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Spry.Widget.CollapsiblePanel.prototype.onTabMouseOver = function(e)
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{
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this.addClassName(this.getTab(), this.hoverClass);
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return false;
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};
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Spry.Widget.CollapsiblePanel.prototype.onTabMouseOut = function(e)
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{
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this.removeClassName(this.getTab(), this.hoverClass);
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return false;
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};
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Spry.Widget.CollapsiblePanel.prototype.open = function()
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{
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this.contentIsOpen = true;
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if (this.enableAnimation)
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{
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if (this.animator)
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this.animator.stop();
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this.animator = new Spry.Widget.CollapsiblePanel.PanelAnimator(this, true, { duration: this.duration, fps: this.fps, transition: this.transition });
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this.animator.start();
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}
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else
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this.setDisplay(this.getContent(), "block");
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this.removeClassName(this.element, this.closedClass);
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this.addClassName(this.element, this.openClass);
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};
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Spry.Widget.CollapsiblePanel.prototype.close = function()
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{
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this.contentIsOpen = false;
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if (this.enableAnimation)
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{
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if (this.animator)
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this.animator.stop();
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this.animator = new Spry.Widget.CollapsiblePanel.PanelAnimator(this, false, { duration: this.duration, fps: this.fps, transition: this.transition });
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this.animator.start();
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}
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else
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this.setDisplay(this.getContent(), "none");
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this.removeClassName(this.element, this.openClass);
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this.addClassName(this.element, this.closedClass);
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};
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Spry.Widget.CollapsiblePanel.prototype.onTabClick = function(e)
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{
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if (this.isOpen())
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this.close();
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else
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this.open();
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this.focus();
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return this.stopPropagation(e);
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};
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Spry.Widget.CollapsiblePanel.prototype.onFocus = function(e)
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{
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this.hasFocus = true;
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this.addClassName(this.element, this.focusedClass);
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return false;
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};
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Spry.Widget.CollapsiblePanel.prototype.onBlur = function(e)
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{
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this.hasFocus = false;
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this.removeClassName(this.element, this.focusedClass);
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return false;
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};
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Spry.Widget.CollapsiblePanel.KEY_UP = 38;
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Spry.Widget.CollapsiblePanel.KEY_DOWN = 40;
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Spry.Widget.CollapsiblePanel.prototype.onKeyDown = function(e)
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{
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var key = e.keyCode;
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if (!this.hasFocus || (key != this.openPanelKeyCode && key != this.closePanelKeyCode))
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return true;
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if (this.isOpen() && key == this.closePanelKeyCode)
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this.close();
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else if ( key == this.openPanelKeyCode)
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this.open();
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return this.stopPropagation(e);
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};
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Spry.Widget.CollapsiblePanel.prototype.stopPropagation = function(e)
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{
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if (e.preventDefault) e.preventDefault();
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else e.returnValue = false;
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if (e.stopPropagation) e.stopPropagation();
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else e.cancelBubble = true;
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return false;
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};
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Spry.Widget.CollapsiblePanel.prototype.attachPanelHandlers = function()
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{
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var tab = this.getTab();
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if (!tab)
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return;
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var self = this;
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Spry.Widget.CollapsiblePanel.addEventListener(tab, "click", function(e) { return self.onTabClick(e); }, false);
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Spry.Widget.CollapsiblePanel.addEventListener(tab, "mouseover", function(e) { return self.onTabMouseOver(e); }, false);
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Spry.Widget.CollapsiblePanel.addEventListener(tab, "mouseout", function(e) { return self.onTabMouseOut(e); }, false);
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if (this.enableKeyboardNavigation)
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{
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// XXX: IE doesn't allow the setting of tabindex dynamically. This means we can't
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// rely on adding the tabindex attribute if it is missing to enable keyboard navigation
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// by default.
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// Find the first element within the tab container that has a tabindex or the first
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// anchor tag.
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var tabIndexEle = null;
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var tabAnchorEle = null;
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this.preorderTraversal(tab, function(node) {
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if (node.nodeType == 1 /* NODE.ELEMENT_NODE */)
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{
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var tabIndexAttr = tab.attributes.getNamedItem("tabindex");
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if (tabIndexAttr)
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{
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tabIndexEle = node;
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return true;
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}
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if (!tabAnchorEle && node.nodeName.toLowerCase() == "a")
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tabAnchorEle = node;
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}
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return false;
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});
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if (tabIndexEle)
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this.focusElement = tabIndexEle;
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else if (tabAnchorEle)
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this.focusElement = tabAnchorEle;
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if (this.focusElement)
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{
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Spry.Widget.CollapsiblePanel.addEventListener(this.focusElement, "focus", function(e) { return self.onFocus(e); }, false);
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Spry.Widget.CollapsiblePanel.addEventListener(this.focusElement, "blur", function(e) { return self.onBlur(e); }, false);
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Spry.Widget.CollapsiblePanel.addEventListener(this.focusElement, "keydown", function(e) { return self.onKeyDown(e); }, false);
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}
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}
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};
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Spry.Widget.CollapsiblePanel.addEventListener = function(element, eventType, handler, capture)
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{
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try
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{
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if (element.addEventListener)
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element.addEventListener(eventType, handler, capture);
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else if (element.attachEvent)
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element.attachEvent("on" + eventType, handler);
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}
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catch (e) {}
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};
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Spry.Widget.CollapsiblePanel.prototype.preorderTraversal = function(root, func)
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{
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var stopTraversal = false;
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if (root)
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{
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stopTraversal = func(root);
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if (root.hasChildNodes())
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{
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var child = root.firstChild;
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while (!stopTraversal && child)
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{
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stopTraversal = this.preorderTraversal(child, func);
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try { child = child.nextSibling; } catch (e) { child = null; }
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}
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}
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}
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return stopTraversal;
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};
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Spry.Widget.CollapsiblePanel.prototype.attachBehaviors = function()
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{
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var panel = this.element;
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var tab = this.getTab();
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var content = this.getContent();
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if (this.contentIsOpen || this.hasClassName(panel, this.openClass))
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{
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this.addClassName(panel, this.openClass);
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this.removeClassName(panel, this.closedClass);
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this.setDisplay(content, "block");
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this.contentIsOpen = true;
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}
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else
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{
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this.removeClassName(panel, this.openClass);
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this.addClassName(panel, this.closedClass);
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this.setDisplay(content, "none");
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this.contentIsOpen = false;
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}
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this.attachPanelHandlers();
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};
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Spry.Widget.CollapsiblePanel.prototype.getTab = function()
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{
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return this.getElementChildren(this.element)[0];
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};
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Spry.Widget.CollapsiblePanel.prototype.getContent = function()
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{
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return this.getElementChildren(this.element)[1];
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};
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Spry.Widget.CollapsiblePanel.prototype.isOpen = function()
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{
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return this.contentIsOpen;
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};
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Spry.Widget.CollapsiblePanel.prototype.getElementChildren = function(element)
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{
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var children = [];
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var child = element.firstChild;
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while (child)
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{
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if (child.nodeType == 1 /* Node.ELEMENT_NODE */)
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children.push(child);
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child = child.nextSibling;
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}
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return children;
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};
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Spry.Widget.CollapsiblePanel.prototype.focus = function()
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{
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if (this.focusElement && this.focusElement.focus)
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this.focusElement.focus();
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};
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/////////////////////////////////////////////////////
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Spry.Widget.CollapsiblePanel.PanelAnimator = function(panel, doOpen, opts)
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{
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this.timer = null;
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this.interval = 0;
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this.fps = 60;
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this.duration = 500;
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this.startTime = 0;
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this.transition = Spry.Widget.CollapsiblePanel.PanelAnimator.defaultTransition;
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this.onComplete = null;
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this.panel = panel;
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this.content = panel.getContent();
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this.doOpen = doOpen;
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Spry.Widget.CollapsiblePanel.setOptions(this, opts, true);
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this.interval = Math.floor(1000 / this.fps);
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var c = this.content;
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var curHeight = c.offsetHeight ? c.offsetHeight : 0;
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this.fromHeight = (doOpen && c.style.display == "none") ? 0 : curHeight;
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if (!doOpen)
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this.toHeight = 0;
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else
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{
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if (c.style.display == "none")
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{
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// The content area is not displayed so in order to calculate the extent
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// of the content inside it, we have to set its display to block.
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c.style.visibility = "hidden";
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c.style.display = "block";
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}
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// Clear the height property so we can calculate
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// the full height of the content we are going to show.
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c.style.height = "";
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this.toHeight = c.offsetHeight;
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}
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this.distance = this.toHeight - this.fromHeight;
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this.overflow = c.style.overflow;
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c.style.height = this.fromHeight + "px";
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c.style.visibility = "visible";
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c.style.overflow = "hidden";
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c.style.display = "block";
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};
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Spry.Widget.CollapsiblePanel.PanelAnimator.defaultTransition = function(time, begin, finish, duration) { time /= duration; return begin + ((2 - time) * time * finish); };
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Spry.Widget.CollapsiblePanel.PanelAnimator.prototype.start = function()
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{
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var self = this;
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this.startTime = (new Date).getTime();
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this.timer = setTimeout(function() { self.stepAnimation(); }, this.interval);
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};
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Spry.Widget.CollapsiblePanel.PanelAnimator.prototype.stop = function()
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{
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if (this.timer)
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{
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clearTimeout(this.timer);
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// If we're killing the timer, restore the overflow property.
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this.content.style.overflow = this.overflow;
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}
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this.timer = null;
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};
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Spry.Widget.CollapsiblePanel.PanelAnimator.prototype.stepAnimation = function()
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{
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var curTime = (new Date).getTime();
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var elapsedTime = curTime - this.startTime;
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if (elapsedTime >= this.duration)
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{
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if (!this.doOpen)
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this.content.style.display = "none";
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this.content.style.overflow = this.overflow;
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this.content.style.height = this.toHeight + "px";
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if (this.onComplete)
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this.onComplete();
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return;
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}
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var ht = this.transition(elapsedTime, this.fromHeight, this.distance, this.duration);
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this.content.style.height = ((ht < 0) ? 0 : ht) + "px";
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var self = this;
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this.timer = setTimeout(function() { self.stepAnimation(); }, this.interval);
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};
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Spry.Widget.CollapsiblePanelGroup = function(element, opts)
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{
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this.element = this.getElement(element);
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this.opts = opts;
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this.attachBehaviors();
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};
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Spry.Widget.CollapsiblePanelGroup.prototype.setOptions = Spry.Widget.CollapsiblePanel.prototype.setOptions;
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Spry.Widget.CollapsiblePanelGroup.prototype.getElement = Spry.Widget.CollapsiblePanel.prototype.getElement;
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Spry.Widget.CollapsiblePanelGroup.prototype.getElementChildren = Spry.Widget.CollapsiblePanel.prototype.getElementChildren;
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Spry.Widget.CollapsiblePanelGroup.prototype.setElementWidget = function(element, widget)
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{
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if (!element || !widget)
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return;
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if (!element.spry)
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element.spry = new Object;
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element.spry.collapsiblePanel = widget;
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};
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Spry.Widget.CollapsiblePanelGroup.prototype.getElementWidget = function(element)
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{
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return (element && element.spry && element.spry.collapsiblePanel) ? element.spry.collapsiblePanel : null;
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};
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Spry.Widget.CollapsiblePanelGroup.prototype.getPanels = function()
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{
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if (!this.element)
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return [];
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return this.getElementChildren(this.element);
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};
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Spry.Widget.CollapsiblePanelGroup.prototype.getPanel = function(panelIndex)
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{
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return this.getPanels()[panelIndex];
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};
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Spry.Widget.CollapsiblePanelGroup.prototype.attachBehaviors = function()
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{
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if (!this.element)
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return;
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var cpanels = this.getPanels();
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var numCPanels = cpanels.length;
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for (var i = 0; i < numCPanels; i++)
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{
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var cpanel = cpanels[i];
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this.setElementWidget(cpanel, new Spry.Widget.CollapsiblePanel(cpanel, this.opts));
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}
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};
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Spry.Widget.CollapsiblePanelGroup.prototype.openPanel = function(panelIndex)
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{
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var w = this.getElementWidget(this.getPanel(panelIndex));
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if (w && !w.isOpen())
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w.open();
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};
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Spry.Widget.CollapsiblePanelGroup.prototype.closePanel = function(panelIndex)
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{
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var w = this.getElementWidget(this.getPanel(panelIndex));
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if (w && w.isOpen())
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w.close();
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};
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Spry.Widget.CollapsiblePanelGroup.prototype.openAllPanels = function()
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{
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var cpanels = this.getPanels();
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var numCPanels = cpanels.length;
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for (var i = 0; i < numCPanels; i++)
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{
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var w = this.getElementWidget(cpanels[i]);
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if (w && !w.isOpen())
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w.open();
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}
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};
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Spry.Widget.CollapsiblePanelGroup.prototype.closeAllPanels = function()
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{
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var cpanels = this.getPanels();
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var numCPanels = cpanels.length;
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for (var i = 0; i < numCPanels; i++)
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{
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var w = this.getElementWidget(cpanels[i]);
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if (w && w.isOpen())
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w.close();
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}
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};
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