Advertisement
Not a member of Pastebin yet?
Sign Up,
it unlocks many cool features!
- var Spry;
- if (!Spry) Spry = {};
- if (!Spry.Widget) Spry.Widget = {};
- Spry.Widget.Accordion = function(element, opts)
- {
- this.element = this.getElement(element);
- this.defaultPanel = 0;
- this.hoverClass = "AccordionPanelTabHover";
- this.openClass = "AccordionPanelOpen";
- this.closedClass = "AccordionPanelClosed";
- this.focusedClass = "AccordionFocused";
- this.enableAnimation = true;
- this.enableKeyboardNavigation = true;
- this.currentPanel = null;
- this.animator = null;
- this.hasFocus = null;
- this.duration = 500;
- this.previousPanelKeyCode = Spry.Widget.Accordion.KEY_UP;
- this.nextPanelKeyCode = Spry.Widget.Accordion.KEY_DOWN;
- this.useFixedPanelHeights = true;
- this.fixedPanelHeight = 0;
- Spry.Widget.Accordion.setOptions(this, opts, true);
- if (Spry.Widget.Accordion.onloadDidFire)
- this.attachBehaviors();
- else
- Spry.Widget.Accordion.loadQueue.push(this);
- };
- Spry.Widget.Accordion.onloadDidFire = false;
- Spry.Widget.Accordion.loadQueue = [];
- Spry.Widget.Accordion.addLoadListener = function(handler)
- {
- if (typeof window.addEventListener != 'undefined')
- window.addEventListener('load', handler, false);
- else if (typeof document.addEventListener != 'undefined')
- document.addEventListener('load', handler, false);
- else if (typeof window.attachEvent != 'undefined')
- window.attachEvent('onload', handler);
- };
- Spry.Widget.Accordion.processLoadQueue = function(handler)
- {
- Spry.Widget.Accordion.onloadDidFire = true;
- var q = Spry.Widget.Accordion.loadQueue;
- var qlen = q.length;
- for (var i = 0; i < qlen; i++)
- q[i].attachBehaviors();
- };
- Spry.Widget.Accordion.addLoadListener(Spry.Widget.Accordion.processLoadQueue);
- Spry.Widget.Accordion.prototype.getElement = function(ele)
- {
- if (ele && typeof ele == "string")
- return document.getElementById(ele);
- return ele;
- };
- Spry.Widget.Accordion.prototype.addClassName = function(ele, className)
- {
- if (!ele || !className || (ele.className && ele.className.search(new RegExp("\\b" + className + "\\b")) != -1))
- return;
- ele.className += (ele.className ? " " : "") + className;
- };
- Spry.Widget.Accordion.prototype.removeClassName = function(ele, className)
- {
- if (!ele || !className || (ele.className && ele.className.search(new RegExp("\\b" + className + "\\b")) == -1))
- return;
- ele.className = ele.className.replace(new RegExp("\\s*\\b" + className + "\\b", "g"), "");
- };
- Spry.Widget.Accordion.setOptions = function(obj, optionsObj, ignoreUndefinedProps)
- {
- if (!optionsObj)
- return;
- for (var optionName in optionsObj)
- {
- if (ignoreUndefinedProps && optionsObj[optionName] == undefined)
- continue;
- obj[optionName] = optionsObj[optionName];
- }
- };
- Spry.Widget.Accordion.prototype.onPanelTabMouseOver = function(panel)
- {
- if (panel)
- this.addClassName(this.getPanelTab(panel), this.hoverClass);
- };
- Spry.Widget.Accordion.prototype.onPanelTabMouseOut = function(panel)
- {
- if (panel)
- this.removeClassName(this.getPanelTab(panel), this.hoverClass);
- };
- Spry.Widget.Accordion.prototype.openPanel = function(panel)
- {
- var panelA = this.currentPanel;
- var panelB = panel;
- if (!panelB || panelA == panelB)
- return;
- var contentA;
- if( panelA )
- contentA = this.getPanelContent(panelA);
- var contentB = this.getPanelContent(panelB);
- if (! contentB)
- return;
- if (this.useFixedPanelHeights && !this.fixedPanelHeight)
- {
- this.fixedPanelHeight = (contentA.offsetHeight) ? contentA.offsetHeight : contentA.scrollHeight;
- }
- if (this.enableAnimation)
- {
- if (this.animator)
- this.animator.stop();
- this.animator = new Spry.Widget.Accordion.PanelAnimator(this, panelB, { duration: this.duration });
- this.animator.start();
- }
- else
- {
- if(contentA)
- contentA.style.height = "0px";
- contentB.style.height = (this.useFixedPanelHeights ? this.fixedPanelHeight : contentB.scrollHeight) + "px";
- }
- if(panelA)
- {
- this.removeClassName(panelA, this.openClass);
- this.addClassName(panelA, this.closedClass);
- }
- this.removeClassName(panelB, this.closedClass);
- this.addClassName(panelB, this.openClass);
- this.currentPanel = panelB;
- };
- Spry.Widget.Accordion.prototype.openNextPanel = function()
- {
- var panels = this.getPanels();
- var curPanelIndex = this.getCurrentPanelIndex();
- if( panels && curPanelIndex >= 0 && (curPanelIndex+1) < panels.length )
- this.openPanel(panels[curPanelIndex+1]);
- };
- Spry.Widget.Accordion.prototype.openPreviousPanel = function()
- {
- var panels = this.getPanels();
- var curPanelIndex = this.getCurrentPanelIndex();
- if( panels && curPanelIndex > 0 && curPanelIndex < panels.length )
- this.openPanel(panels[curPanelIndex-1]);
- };
- Spry.Widget.Accordion.prototype.openFirstPanel = function()
- {
- var panels = this.getPanels();
- if( panels )
- this.openPanel(panels[0]);
- };
- Spry.Widget.Accordion.prototype.openLastPanel = function()
- {
- var panels = this.getPanels();
- if( panels )
- this.openPanel(panels[panels.length-1]);
- };
- Spry.Widget.Accordion.prototype.onPanelClick = function(panel)
- {
- if (panel != this.currentPanel)
- this.openPanel(panel);
- this.focus();
- };
- Spry.Widget.Accordion.prototype.onFocus = function(e)
- {
- this.hasFocus = true;
- this.addClassName(this.element, this.focusedClass);
- };
- Spry.Widget.Accordion.prototype.onBlur = function(e)
- {
- this.hasFocus = false;
- this.removeClassName(this.element, this.focusedClass);
- };
- Spry.Widget.Accordion.KEY_UP = 38;
- Spry.Widget.Accordion.KEY_DOWN = 40;
- Spry.Widget.Accordion.prototype.onKeyDown = function(e)
- {
- var key = e.keyCode;
- if (!this.hasFocus || (key != this.previousPanelKeyCode && key != this.nextPanelKeyCode))
- return true;
- var panels = this.getPanels();
- if (!panels || panels.length < 1)
- return false;
- var currentPanel = this.currentPanel ? this.currentPanel : panels[0];
- var nextPanel = (key == this.nextPanelKeyCode) ? currentPanel.nextSibling : currentPanel.previousSibling;
- while (nextPanel)
- {
- if (nextPanel.nodeType == 1 /* Node.ELEMENT_NODE */)
- break;
- nextPanel = (key == this.nextPanelKeyCode) ? nextPanel.nextSibling : nextPanel.previousSibling;
- }
- if (nextPanel && currentPanel != nextPanel)
- this.openPanel(nextPanel);
- if (e.stopPropagation)
- e.stopPropagation();
- if (e.preventDefault)
- e.preventDefault();
- return false;
- };
- Spry.Widget.Accordion.prototype.attachPanelHandlers = function(panel)
- {
- if (!panel)
- return;
- var tab = this.getPanelTab(panel);
- if (tab)
- {
- var self = this;
- Spry.Widget.Accordion.addEventListener(tab, "click", function(e) { return self.onPanelClick(panel); }, false);
- Spry.Widget.Accordion.addEventListener(tab, "mouseover", function(e) { return self.onPanelTabMouseOver(panel); }, false);
- Spry.Widget.Accordion.addEventListener(tab, "mouseout", function(e) { return self.onPanelTabMouseOut(panel); }, false);
- }
- };
- Spry.Widget.Accordion.addEventListener = function(element, eventType, handler, capture)
- {
- try
- {
- if (element.addEventListener)
- element.addEventListener(eventType, handler, capture);
- else if (element.attachEvent)
- element.attachEvent("on" + eventType, handler);
- }
- catch (e) {}
- };
- Spry.Widget.Accordion.prototype.initPanel = function(panel, isDefault)
- {
- var content = this.getPanelContent(panel);
- if (isDefault)
- {
- this.currentPanel = panel;
- this.removeClassName(panel, this.closedClass);
- this.addClassName(panel, this.openClass);
- }
- else
- {
- this.removeClassName(panel, this.openClass);
- this.addClassName(panel, this.closedClass);
- content.style.height = "0px";
- }
- this.attachPanelHandlers(panel);
- };
- Spry.Widget.Accordion.prototype.attachBehaviors = function()
- {
- var panels = this.getPanels();
- for (var i = 0; i < panels.length; i++)
- {
- this.initPanel(panels[i], i == this.defaultPanel);
- }
- if (this.enableKeyboardNavigation)
- {
- var tabIndexAttr = this.element.attributes.getNamedItem("tabindex");
- if (tabIndexAttr)
- {
- var self = this;
- Spry.Widget.Accordion.addEventListener(this.element, "focus", function(e) { return self.onFocus(e); }, false);
- Spry.Widget.Accordion.addEventListener(this.element, "blur", function(e) { return self.onBlur(e); }, false);
- Spry.Widget.Accordion.addEventListener(this.element, "keydown", function(e) { return self.onKeyDown(e); }, false);
- }
- }
- };
- Spry.Widget.Accordion.prototype.getPanels = function()
- {
- return this.getElementChildren(this.element);
- };
- Spry.Widget.Accordion.prototype.getCurrentPanel = function()
- {
- return this.currentPanel;
- };
- Spry.Widget.Accordion.prototype.getCurrentPanelIndex = function()
- {
- var panels = this.getPanels();
- for( var i = 0 ; i < panels.length; i++ )
- {
- if( this.currentPanel == panels[i] )
- return i;
- }
- return 0;
- };
- Spry.Widget.Accordion.prototype.getPanelTab = function(panel)
- {
- if (!panel)
- return null;
- return this.getElementChildren(panel)[0];
- };
- Spry.Widget.Accordion.prototype.getPanelContent = function(panel)
- {
- if (!panel)
- return null;
- return this.getElementChildren(panel)[1];
- };
- Spry.Widget.Accordion.prototype.getElementChildren = function(element)
- {
- var children = [];
- var child = element.firstChild;
- while (child)
- {
- if (child.nodeType == 1 /* Node.ELEMENT_NODE */)
- children.push(child);
- child = child.nextSibling;
- }
- return children;
- };
- Spry.Widget.Accordion.prototype.focus = function()
- {
- if (this.element && this.element.focus)
- this.element.focus();
- };
- /////////////////////////////////////////////////////
- Spry.Widget.Accordion.PanelAnimator = function(accordion, panel, opts)
- {
- this.timer = null;
- this.interval = 0;
- this.stepCount = 0;
- this.fps = 0;
- this.steps = 10;
- this.duration = 500;
- this.onComplete = null;
- this.panel = panel;
- this.panelToOpen = accordion.getElement(panel);
- this.panelData = [];
- Spry.Widget.Accordion.setOptions(this, opts, true);
- if (this.fps > 0)
- {
- this.interval = Math.floor(1000 / this.fps);
- this.steps = parseInt((this.duration + (this.interval - 1)) / this.interval);
- }
- else if (this.steps > 0)
- this.interval = this.duration / this.steps;
- var panels = accordion.getPanels();
- for (var i = 0; i < panels.length; i++)
- {
- var p = panels[i];
- var c = accordion.getPanelContent(p);
- if (c)
- {
- var h = c.offsetHeight;
- if (h == undefined)
- h = 0;
- if (p == panel || h > 0)
- {
- var obj = new Object;
- obj.panel = p;
- obj.content = c;
- obj.fromHeight = h;
- obj.toHeight = (p == panel) ? (accordion.useFixedPanelHeights ? accordion.fixedPanelHeight : c.scrollHeight) : 0;
- obj.increment = (obj.toHeight - obj.fromHeight) / this.steps;
- obj.overflow = c.style.overflow;
- this.panelData.push(obj);
- c.style.overflow = "hidden";
- c.style.height = h + "px";
- }
- }
- }
- };
- Spry.Widget.Accordion.PanelAnimator.prototype.start = function()
- {
- var self = this;
- this.timer = setTimeout(function() { self.stepAnimation(); }, this.interval);
- };
- Spry.Widget.Accordion.PanelAnimator.prototype.stop = function()
- {
- if (this.timer)
- {
- clearTimeout(this.timer);
- if (this.stepCount < this.steps)
- {
- for (i = 0; i < this.panelData.length; i++)
- {
- obj = this.panelData[i];
- obj.content.style.overflow = obj.overflow;
- }
- }
- }
- this.timer = null;
- };
- Spry.Widget.Accordion.PanelAnimator.prototype.stepAnimation = function()
- {
- ++this.stepCount;
- this.animate();
- if (this.stepCount < this.steps)
- this.start();
- else if (this.onComplete)
- this.onComplete();
- };
- Spry.Widget.Accordion.PanelAnimator.prototype.animate = function()
- {
- var i, obj;
- if (this.stepCount >= this.steps)
- {
- for (i = 0; i < this.panelData.length; i++)
- {
- obj = this.panelData[i];
- if (obj.panel != this.panel)
- obj.content.style.height = "0px";
- obj.content.style.overflow = obj.overflow;
- obj.content.style.height = obj.toHeight + "px";
- }
- }
- else
- {
- for (i = 0; i < this.panelData.length; i++)
- {
- obj = this.panelData[i];
- obj.fromHeight += obj.increment;
- obj.content.style.height = obj.fromHeight + "px";
- }
- }
- };
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement