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META-INF.resources.primefaces.contentflow.contentflow.js Maven / Gradle / Ivy
/* ContentFlow, version 1.0.2
* (c) 2007 - 2010 Sebastian Kutsch
* <\/script>');
}
else {
var script = document.createElement('script');
script.src = path;
script.setAttribute('type', 'text/javascript');
document.getElementsByTagName('head')[0].appendChild(script);
}
},
addScripts: function (basePath, filenames) {
for (var i=0; i<\/script>");
var script = document.getElementById("__ie_cf_onload");
script.onreadystatechange = function() {
if (this.readyState == "complete") {
CFG.onloadInit(); // call the onload handler
}
};
}
/* for all other browsers */
window.addEvent('load', CFG.onloadInit, false);
/* ================================================================== */
},
onloadInit: function () {
// quit if this function has already been called
if (arguments.callee.done) return;
for (var i=0; i< ContentFlowGlobal.loadAddOns.length; i++) {
var a = ContentFlowGlobal.loadAddOns[i];
if (!ContentFlowGlobal.AddOns[a]) {
var CFG = ContentFlowGlobal;
window.setTimeout( CFG.onloadInit, 10);
return;
}
}
// flag this function so we don't do the same thing twice
arguments.callee.done = true;
/* init all manualy created flows */
for (var i=0; i< ContentFlowGlobal.Flows.length; i++) {
ContentFlowGlobal.Flows[i].init();
}
}
};
ContentFlowGlobal.initPath();
/*
* ============================================================
* ContentFlowAddOn
* ============================================================
*/
var ContentFlowAddOn = function (name, methods, register) {
if (typeof register == "undefined" || register != false)
ContentFlowGlobal.AddOns[name] = this;
this.name = name;
if (!methods) methods = {};
this.methods = methods;
this.conf = {};
if (this.methods.conf) {
this.setConfig(this.methods.conf);
delete this.methods.conf;
}
this.scriptpath = ContentFlowGlobal.AddOnBaseDir;
if (methods.init) {
var init = methods.init.bind(this);
init(this);
}
};
ContentFlowAddOn.prototype = {
Browser: ContentFlowGlobal.Browser,
addScript: ContentFlowGlobal.addScript,
addScripts: ContentFlowGlobal.addScripts,
addStylesheet: function (path) {
if (!path)
path = this.scriptpath+'ContentFlowAddOn_'+this.name+'.css';
ContentFlowGlobal.addStylesheet(path);
},
addStylesheets: ContentFlowGlobal.addStylesheets,
setConfig: function (conf) {
for (var c in conf) {
this.conf[c] = conf[c];
}
},
_init: function (flow) {
if (this.methods.ContentFlowConf) {
flow.setConfig(this.methods.ContentFlowConf);
}
}
};
/*
* ============================================================
* ContentFlowGUIElement
* ============================================================
*/
var ContentFlowGUIElement = function (CFobj, element) {
element.setDimensions = function () {
this.dimensions = this.getDimensions();
this.center = {x: this.dimensions.width/2, y:this.dimensions.height/2};
this.position = this.findPos();
};
element.addObserver = function (eventName, method) {
var m = this.eventMethod = method.bind(CFobj);
this.observedEvent = eventName;
this.addEvent(eventName, m, false);
};
element.makeDraggable = function (onDrag, beforeDrag, afterDrag) {
this.stopDrag = function(event) {
if (!event) var event = window.event;
if (this.Browser.iPhone) {
window.removeEvent('touchemove', onDrag, false);
if (!this.ontochmove) {
var t = event.target;
if (t.firstChild) t = t.firstChild;
var e = document.createEvent('MouseEvents');
e.initEvent('click', true, true);
t.dispatchEvent(e);
}
}
else {
window.removeEvent('mousemove', onDrag, false);
}
afterDrag(event);
}.bind(this);
this.initDrag = function (event) {
if (!event) var event = window.event;
var e = event;
if (event.touches) e = event.touches[0];
this.mouseX = e.clientX;
this.mouseY = e.clientY;
beforeDrag(event);
}.bind(this);
this.startDrag = function (event) {
if (!event) var event = window.event;
var stopDrag = this.stopDrag;
if (this.Browser.iPhone) {
var s = this;
s.ontouchmove = false
window.addEvent('touchmove', function (e) {
s.ontouchmove = true;
onDrag(e);
}, false);
event.preventDefault();
window.addEvent('touchend', stopDrag, false);
}
else {
window.addEvent('mousemove', onDrag, false);
window.addEvent('mouseup', stopDrag, false);
}
if(event.preventDefault) { event.preventDefault() }
}.bind(this);
var startDrag = this.startDrag;
if (this.Browser.iPhone) {
this.addEventListener('touchstart', startDrag, false);
}
else {
this.addEvent('mousedown', startDrag, false);
}
};
element.Browser = ContentFlowGlobal.Browser;
$CF(element).setDimensions();
return element;
};
/*
* ============================================================
* ContentFlowItem
* ============================================================
*/
var ContentFlowItem = function (CFobj, element, index) {
this.CFobj = CFobj;
this._activeElement = CFobj.conf.activeElement;
this.pre = null;
this.next = null;
/*
* ==================== item click events ====================
* handles the click event on an active and none active item
*/
this.clickItem = function (event) {
if(!event) var event = window.event;
var el = event.target ? event.target : event.srcElement;
var index = el.itemIndex ? el.itemIndex : el.parentNode.itemIndex;
var item = this.items[index];
if (this._activeItem == item) {
this.conf.onclickActiveItem(item);
}
else {
if (this.conf.onclickInactiveItem(item) != false ) this.moveToIndex(index);
}
}.bind(CFobj),
this.setIndex = function (index) {
this.index = index;
this.element.itemIndex = index;
};
this.getIndex = function () {
return this.index;
};
/* generate deault HTML structure if item is an image */
if ($CF(element).nodeName == "IMG") {
var el = document.createElement('div');
el.className = "item";
var cont = element.parentNode.replaceChild( el, element);
cont.className = "content";
el.appendChild(cont);
if (element.title) {
var cap = document.createElement('div');
cap.className = "caption";
cap.innerHTML = element.title;
el.appendChild(cap);
}
element = el;
}
/* create item object */
this.element = $CF(element);
this.item = element;
if (typeof index != "undefined") this.setIndex(index);
this.content = this.element.getChildrenByClassName('content')[0];
this.caption = this.element.getChildrenByClassName('caption')[0];
this.label = this.element.getChildrenByClassName('label')[0];
/* if content is image set properties */
if (this.content.nodeName == "IMG") {
CFobj._imagesToLoad++;
var foobar = function () {
CFobj._imagesToLoad--;
this.image = this.content;
this.setImageFormat(this.image);
if ( CFobj.conf.reflectionHeight > 0) {
this.addReflection();
}
this.initClick();
CFobj._addItemCueProcess(true);
}.bind(this);
if (this.content.complete && this.content.width > 0)
window.setTimeout(foobar, 100);
else if (this.Browser.IE && !this.content.onload) {
var self = this;
var t = window.setInterval( function () {
if (self.content.complete && self.content.width > 0) {
window.clearInterval(t);
foobar();
}
}, 10);
}
else
this.content.onload = window.setTimeout(foobar, 100);
}
else {
this.initClick();
CFobj._addItemCueProcess(true);
}
};
ContentFlowItem.prototype = {
Browser: ContentFlowGlobal.Browser,
makeActive: function () {
this.element.addClassName('active');
this.CFobj.conf.onMakeActive(this);
},
makeInactive: function () {
this.element.removeClassName('active');
this.CFobj.conf.onMakeInactive(this);
},
initClick: function () {
var cItem = this.clickItem;
this[this._activeElement].addEvent('click', cItem, false);
},
setImageFormat: function (img) {
if (this.Browser.IE6 || this.Browser.IE7) img.style.width = "auto";
img.origProportion = img.width / img.height;
img.setAttribute('origProportion', img.width / img.height);
if (this.Browser.IE6 || this.Browser.IE7) img.style.width = "";
//img.origWidth = img.width;
//img.origHeight = img.height;
if (img.origProportion <= 1)
img.addClassName('portray');
else
img.addClassName('landscape');
},
/*
* add reflection to item
*/
addReflection: function() {
var CFobj = this.CFobj;
var reflection;
var image = this.content;
if (this.Browser.IE) {
var filterString = 'progid:DXImageTransform.Microsoft.BasicImage(rotation=2, mirror=1)';
if (CFobj._reflectionColorRGB) {
// transparent gradient
if (CFobj.conf.reflectionColor == "transparent") {
var RefImg = reflection = this.reflection = document.createElement('img');
reflection.src = image.src;
}
// color gradient
else {
reflection = this.reflection = document.createElement('div');
var RefImg = document.createElement('img');
RefImg.src = image.src;
reflection.width = RefImg.width;
reflection.height = RefImg.height;
RefImg.style.width = '100%';
RefImg.style.height = '100%';
var color = CFobj._reflectionColorRGB;
reflection.style.backgroundColor = '#'+color.hR+color.hG+color.hB;
reflection.appendChild(RefImg);
}
filterString += ' progid:DXImageTransform.Microsoft.Alpha(opacity=0, finishOpacity=50, style=1, finishX=0, startY='+CFobj.conf.reflectionHeight*100+' finishY=0)';
} else {
var RefImg = reflection = this.reflection = document.createElement('img');
reflection.src = image.src;
}
// crop image (streches and crops (clip on default dimensions), original proportions will be restored through CSS)
filterString += ' progid:DXImageTransform.Microsoft.Matrix(M11=1, M12=0, M21=0, M22='+1/CFobj.conf.reflectionHeight+')';
if (ContentFlowGlobal.Browser.IE6) {
if (image.src.match(/\.png$/) ) {
image.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+image.src+"', sizingMethod=scale )";
image.filterString = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+image.src+"', sizingMethod=scale )";
filterString += " progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+image.src+"', sizingMethod=scale )";
image.origSrc = image.src;
image.src='img/blank.gif';
RefImg.src="img/blank.gif";
}
}
reflection.filterString = filterString;
RefImg.style.filter = filterString;
} else {
if (CFobj._reflectionWithinImage)
var canvas = this.canvas = $CF(document.createElement('canvas'));
else
var canvas = reflection = this.reflection = document.createElement('canvas');
if (canvas.getContext) {
if (CFobj._reflectionWithinImage) {
for (var i=0; i vI) {
if (diff > 0) {
var stepwidth = diff - vI;
} else {
var stepwidth = diff + vI;
}
} else if (vI >= this.items.length) {
var stepwidth = diff / items;
} else {
var stepwidth = diff * ( vI / items);
//var stepwidth = diff/absDiff * Math.max(diff * diff,Math.min(absDiff,0.3)) * ( vI / this.items.length);
//var stepwidth = this.flowSpeedFactor * diff / this.visibleItems;
//var stepwidth = this.flowSpeedFactor * diff * ( this.visibleItems / this.items.length)
//var stepwidth = this.flowSpeedFactor * diff / this._millisecondsPerStep * 2; // const. speed
}
return stepwidth;
},
calcSize: function (item) {
var rP = item.relativePosition;
//var rPN = relativePositionNormed;
//var vI = this.conf.visibleItems;
var h = 1/(Math.abs(rP)+1);
var w = h;
return {width: w, height: h};
},
calcCoordinates: function (item) {
var rP = item.relativePosition;
//var rPN = item.relativePositionNormed;
var vI = this.conf.visibleItems;
var f = 1 - 1/Math.exp( Math.abs(rP)*0.75);
var x = item.side * vI/(vI+1)* f;
var y = 1;
return {x: x, y: y};
},
/*
calcRelativeItemPosition: function (item) {
var x = 0;
var y = -1;
return {x: x, y: y};
},
*/
calcZIndex: function (item) {
return -Math.abs(item.relativePositionNormed);
},
calcFontSize: function (item) {
return item.size.height;
},
calcOpacity: function (item) {
return Math.max(1 - ((1 - this.conf.endOpacity ) * Math.sqrt(Math.abs(item.relativePositionNormed))), this.conf.endOpacity);
}
},
/* ---------- end of defaultConf ---------- */
/*
* ==================== index helper methods ====================
*/
/*
* checks if index is within the index range of the this.items array
* returns a value that is within this range
*/
_checkIndex: function (index) {
index = Math.max(index, 0);
index = Math.min(index, this.itemsLastIndex);
return index;
},
/*
* sets the object property itemsLastIndex
*/
_setLastIndex: function () {
this.itemsLastIndex = this.items.length - 1;
},
/*
*/
_getItemByIndex: function (index) {
return this.items[this._checkIndex(index)];
},
_getItemByPosition: function (position) {
return this._getItemByIndex(this._getIndexByPosition(position));
},
/* returns the position of an item-index relative to current position */
_getPositionByIndex: function(index) {
if (!this.conf.circularFlow) return this._checkIndex(index);
var cI = this._getIndexByPosition(this._currentPosition);
var dI = index - cI;
if (Math.abs(dI) > dI+this.items.length)
dI += this.items.length;
else if (Math.abs(dI) > (Math.abs(dI-this.items.length)))
dI -= this.items.length;
return this._currentPosition + dI;
},
/* returns the index an item at position p would have */
_getIndexByPosition: function (position) {
if (position < 0) var mod = 0;
else var mod = 1;
var I = (Math.round(position) + mod) % this.items.length;
if (I>0) I -= mod;
else if(I<0) I += this.items.length - mod;
else if(position<0) I = 0;
else I = this.items.length - 1;
return I;
},
_getIndexByKeyWord: function (keyword, relativeTo, check) {
if (relativeTo)
var index = relativeTo;
else if (this._activeItem)
var index = this._activeItem.index;
else
var index = 0;
if (isNaN(keyword)) {
switch (keyword) {
case "first":
case "start":
index = 0;
break;
case "last":
case "end":
index = this.itemsLastIndex;
break;
case "middle":
case "center":
index = Math.round(this.itemsLastIndex/2);
break;
case "right":
case "next":
index += 1;
break;
case "left":
case "pre":
case "previous":
index -= 1;
break;
case 'visible':
case 'visiblePre':
case 'visibleLeft':
index -= this.conf.visibleItems;
break;
case 'visibleNext':
case 'visibleRight':
index += this.conf.visibleItems;
break;
default:
index = index;
}
}
else {
index = keyword;
}
if (check != false)
index = this._checkIndex(index);
return index;
},
_setCaptionLabel: function (index) {
if(this.Position && !this.Slider.locked)
this.Position.setLabel(index);
this._setGlobalCaption();
},
/*
* ==================== public methods ====================
*/
getAddOnConf: function(name) {
return ContentFlowGlobal.getAddOnConf(name);
},
setAddOnConf: function(name, conf) {
ContentFlowGlobal.setAddOnConf(name, conf);
},
/*
* calls _init() if ContentFlow has not been initialized before
* needed if ContentFlow is not automatically initialized on window.load
*/
init: function () {
if(this.isInit) return;
this._init();
},
/*
* parses configuration object and initializes configuration values
*/
setConfig: function(config) {
if (!config) return;
var dC = this._defaultConf;
for (var option in config) {
if (dC[option] == "undefined" ) continue;
switch (option) {
case "scrollInFrom":
case "startItem":
if (typeof(config[option]) == "number" || typeof(config[option]) == "string") {
//this["_"+option] = config[option];
this.conf[option] = config[option];
}
break;
default:
if (typeof(dC[option] == config[option])) {
//this["_"+option] = config[option];
if (typeof config[option] == "function") {
this.conf[option] = config[option].bind(this);
}
else {
this.conf[option] = config[option];
}
}
}
}
switch (this.conf.reflectionColor) {
case this.conf.reflectionColor.search(/#[0-9a-fA-F]{6}/)>= 0?this.conf.reflectionColor:this.conf.reflectionColor+"x":
this._reflectionColorRGB = {
hR: this.conf.reflectionColor.slice(1,3),
hG: this.conf.reflectionColor.slice(3,5),
hB: this.conf.reflectionColor.slice(5,7),
iR: parseInt(this.conf.reflectionColor.slice(1,3), 16),
iG: parseInt(this.conf.reflectionColor.slice(3,5), 16),
iB: parseInt(this.conf.reflectionColor.slice(5,7), 16)
};
break;
case "none":
case "transparent":
default:
this._reflectionColor = "transparent";
this._reflectionColorRGB = {
hR: 0, hG: 0, hB:0,
iR: 0, iG: 0, iB:0
};
break;
}
if (this.items) {
if (this.conf.visibleItems < 0)
this.conf.visibleItems = Math.round(Math.sqrt(this.items.length));
this.conf.visibleItems = Math.min(this.conf.visibleItems, this.items.length - 1);
}
if (this.conf.relativeItemPosition) {
var calcRP = {
x: {
left: function(size) { return -1 },
center: function(size) { return 0 },
right: function(size) { return 1 }
},
y: {
top: function(size) { return -1 },
center: function(size) { return 0 },
bottom: function(size) { return 1 }
}
};
var iP = this.conf.relativeItemPosition;
iP = iP.replace(/above/,"top").replace(/below/,"bottom");
var x, y = null;
x = iP.match(/left|right/);
y = iP.match(/top|bottom/);
c = iP.match(/center/);
if (!x) {
if (c) x = "center";
else x = "center";
}
if (!y) {
if (c) y = "center";
else y = "top";
}
var calcX = calcRP.x[x];
var calcY = calcRP.y[y];
this.conf.calcRelativeItemPosition = function (item) {
var x = calcX(item.size);
var y = calcY(item.size);
return {x: x, y: y};
};
this.conf.relativeItemPosition = null;
}
if (this._reflectionType && this._reflectionType != "clientside") {
this.conf.reflectionHeight = 0;
}
},
getItem: function (index) {
return this.items[this._checkIndex(Math.round(index))];
},
/*
* returns the index number of the active item
*/
getActiveItem: function() {
return this._activeItem;
},
/*
* returns the number of items the flow contains
*/
getNumberOfItems: function () {
return this.items.length;
},
/*
* reinitializes sizes.
* called on window.resize
*/
resize: function () {
this._initSizes();
this._initStep();
},
/*
* scrolls flow to item i
*/
moveToPosition: function (p, holdPos) {
if (!this.conf.circularFlow) p = this._checkIndex(p);
this._targetPosition = p;
this.conf.onMoveTo(this._getItemByPosition(p));
this._initStep(false, holdPos);
},
moveToIndex: function (index) {
this._targetPosition = Math.round(this._getPositionByIndex(this._getIndexByKeyWord(index, this._activeItem.index, !this.conf.circularFlow)));
this.conf.onMoveTo(this._getItemByPosition(this._targetPosition));
this._initStep();
},
moveToItem: function (item) {
var i;
if (item.itemIndex) i = item.itemIndex;
else i = item.index;
this.moveToIndex(i);
},
moveTo: function (i) {
if (typeof i == "object") this.moveToItem(i);
else if (isNaN(i) || (i == Math.floor(i) && i < this.items.length) ) this.moveToIndex(i);
else this.moveToPosition(i);
},
/*
* initializes item and adds it at index position
*/
_addItemCue: [],
_addItemCueProcess: function (deleteFirst) {
var c = this._addItemCue;
if (deleteFirst == true)
c.shift();
if (c.length > 0 && ! c[0].p) {
c[0].p = true;
var self = this;
var t = c.length > 5 ? 1 : 40;
window.setTimeout(function () { self._addItem(c[0].el, c[0].i)}, t) ;
}
},
addItem: function(el, index) {
this._addItemCue.push({ el: el, i: index, p: false});
if (this._addItemCue.length == 1)
this._addItemCueProcess();
},
_addItem: function(el, index) {
if (typeof index == "string") {
switch (index) {
case "first":
case "start":
index = 0;
break;
case "last":
case "end":
index = isNaN(this.itemsLastIndex) ? 0 : this.itemsLastIndex;
index += 1;
break;
default:
index = this._getIndexByKeyWord(index);
}
}
index = Math.max(index, 0);
index = Math.min(index, this.itemsLastIndex + 1);
index = isNaN(index) ? 0 : index;
this.Flow.appendChild(el);
/* init item after insertion. that way it's part of the document and all styles are applied */
var item = new ContentFlowItem(this, el, index);
if (this.items.length == 0 ) {
this.resize();
if (this.conf.circularFlow) {
item.pre = item;
item.next = item;
}
}
else {
if (index == this.itemsLastIndex + 1) {
item.pre = this.items[this.itemsLastIndex];
item.next = item.pre.next;
}
else {
item.next = this.items[index];
item.pre = item.next.pre;
}
if (item.pre) item.pre.next = item;
if (item.next) item.next.pre = item;
}
this.items.splice(index,0, item);
/* adjust item indices */
for (var i = index; i < this.items.length; i++) {
this.items[i].setIndex(i);
}
this._setLastIndex();
if (this.conf.origVisibleItems < 0) {
this.conf.visibleItems = Math.round(Math.sqrt(this.items.length));
}
this.conf.visibleItems = Math.min(this.conf.visibleItems, this.items.length - 1);
/* adjust targetItem, currentPos so that current view does not change*/
if (Math.round(this._getPositionByIndex(index)) <= Math.round(this._targetPosition)) {
this._targetPosition++;
if (!this.conf.circularFlow)
this._targetPosition = Math.min(this._targetPosition, this.itemsLastIndex);
}
if (this._getPositionByIndex(index) <= this._currentPosition) {
this._currentPosition++;
if (!this.conf.circularFlow)
this._currentPosition = Math.min(this._currentPosition, this.itemsLastIndex);
}
// avoid display errors (wrong sizing)
var CF = this;
window.setTimeout(function () {
if(CF.items.length == 1 ) {
CF._currentPosition = -0.01;
CF._targetPosition = 0;
CF.resize();
}
else {
CF._initStep();
}
}, 100);
return index;
},
/*
* removes item at index position, cleans it up and returns it
*/
rmItem: function(index) {
if (index == "undefined") index = this._activeItem.index;
index = this._getIndexByKeyWord(index);
if (!this.items[index]) return null;
var item = this.items[index];
if (item.pre) item.pre.next = item.next;
if (item.next) item.next.pre = item.pre;
this.items.splice(index,1);
/* adjust item indices */
for (var i = index ; i < this.items.length; i++) {
this.items[i].setIndex(i);
}
this._setLastIndex();
/* adjust targetItem, currentPos and activeItem so that current view does not change*/
if (Math.round(this._getPositionByIndex(index)) < Math.round(this._targetPosition)) {
this._targetPosition--;
if (!this.conf.circularFlow)
this._targetPosition = this._checkIndex(this._targetPosition);
}
if (this._getPositionByIndex(index) < this._currentPosition) {
this._currentPosition--;
if (!this.conf.circularFlow)
this._currentPosition = this._checkIndex(this._currentPosition);
}
this._activeItem = this._getItemByPosition(this._currentPosition);
/* remove item from DOM tree, take the next step and return removed item */
var removedItem = item.element.parentNode.removeChild(item.element);
// avoid display errors (wrong sizing)
var CF = this;
window.setTimeout(function () { CF._initStep() }, 10);
return removedItem;
},
/*
* ==================== initialization ====================
*/
/* -------------------- main init -------------------- */
_init: function () {
if (typeof(this.Container) == 'string') { // no node
var container = document.getElementById(this.Container);
if (container) {
this.Container = container;
} else {
throw ('ContentFlow ERROR: No element with id \''+this.Container+'\' found!');
return;
}
}
/* ---------- reserve CSS namespace */
//$CF(this.Container).addClassName('ContentFlow');
/* ---------- detect GUI elements */
var flow = $CF(this.Container).getChildrenByClassName('flow')[0];
if (!flow) {
throw ('ContentFlow ERROR: No element with class\'flow\' found!');
return;
}
this.Flow = new ContentFlowGUIElement(this, flow);
var scrollbar = this.Container.getChildrenByClassName('scrollbar')[0];
if (scrollbar) {
this.Scrollbar = new ContentFlowGUIElement(this, scrollbar);
var slider = this.Scrollbar.getChildrenByClassName('slider')[0];
if (slider) {
this.Slider = new ContentFlowGUIElement(this, slider);
var position = this.Slider.getChildrenByClassName('position')[0];
if (position) {
this.Position = new ContentFlowGUIElement(this, position);
}
}
}
/* ---------- init configuration */
this.setConfig(this._defaultConf);
this._initAddOns(); /* init AddOns */
this.setConfig(this._userConf);
this._initSizes(); // ......
/* ---------- init item lists ---------- */
var items = this.Flow.getChildrenByClassName('item');
this.items = new Array();
for (var i=0; i 0) {
item.pre = this.items[i-1];
item.pre.next = item;
}
}
this._setLastIndex();
if (this.conf.circularFlow && this.items.length > 0) {
var s = this.items[0];
s.pre = this.items[this.items.length-1];
s.pre.next = s;
}
/* ---------- init GUI */
this._initGUI();
/* ---------- init start parameters ---------- */
if (this._activeElement != "content")
this._activeElement = "element";
this.conf.origVisibleItems = this.conf.visibleItems;
if (this.conf.visibleItems < 0) {
this.conf.visibleItems = Math.round(Math.sqrt(this.items.length));
}
this.conf.visibleItems = Math.min(this.conf.visibleItems, this.items.length - 1);
this._targetPosition = this._getIndexByKeyWord(this.conf.startItem, 0);
var index = this._getIndexByKeyWord(this.conf.scrollInFrom, this._targetPosition);
switch (this.conf.scrollInFrom) {
case "next":
case "right":
index -= 0.5;
break;
case "pre":
case "previous":
case "left":
index += 0.5;
break;
}
this._currentPosition = index;
/* ---------- wait till all images are loaded or
* grace time is up to show all and take the first step
*/
var now = new Date();
var cf = this;
var timer = window.setInterval (
function() {
if ( cf._imagesToLoad == 0 || new Date() - now > cf._loadingTimeout ) {
clearInterval(timer);
cf._activeItem = cf.getItem(cf._currentPosition);
if (cf._activeItem) {
cf._activeItem.makeActive();
cf._setCaptionLabel(cf._activeItem.index);
}
cf.Flow.style.visibility = "visible"; // show flow after images are loaded
if (cf.loadIndicator) cf.loadIndicator.style.display = "none";
if (cf.Scrollbar) cf.Scrollbar.style.visibility = "visible";
cf.resize();
for (var i=0; i < cf._loadedAddOns.length; i++) {
var a = ContentFlowGlobal.AddOns[cf._loadedAddOns[i]];
if (a.methods.afterContentFlowInit)
a.methods.afterContentFlowInit(cf);
}
cf.conf.onInit();
}
}, 10
);
this.isInit = true;
},
/* ---------- init AddOns ---------- */
_initAddOns: function () {
// get an array of names of all AddOns that should be used
var loadAddOns = [];
if (this._userConf.useAddOns) {
if (typeof this._userConf.useAddOns == "string") {
loadAddOns = this._userConf.useAddOns.split(" ");
}
else if (typeof this._userConf.useAddOns == "array") {
loadAddOns = this._userConf.useAddOns;
}
}
else if (this.Container.getAttribute("useAddOns")) {
loadAddOns = this.Container.getAttribute("useAddOns").split(" ");
}
else {
loadAddOns = this.conf.useAddOns.split(' ');
}
// check the names for keywords
for (var i=0; i 0) key(event) ;
});
} else {
window.addEvent('keydown', function (event) {
if (mouseoverCheck.offsetLeft > 0) key(event) ;
});
}
}
else {
this.Container.addEvent('keydown', key);
}
}
else {
this.Container.onkeydown = key;
}
}
// Flow object
if (this.conf.flowDragFriction > 0) {
var onDrag = function (event) {
var e = event;
if (event.touches) e = event.touches[0];
var mouseX = e.clientX;
var mouseY = e.clientY;
if (this.conf.verticalFlow) {
var dist = mouseY - this.Flow.mouseY; // px / or px per sec because _dragFlow wil be called in shorter intervalls if draged fast
var dim = this.Flow.dimensions.height;
}
else {
var dist = mouseX - this.Flow.mouseX; // px / or px per sec because _dragFlow wil be called in shorter intervalls if draged fast
var dim = this.Flow.dimensions.width;
}
var itemDist = (dist / dim )* (2*this.conf.visibleItems +1); // items
var target = this._currentPosition - itemDist * 2*this.conf.visibleItems / this.conf.flowDragFriction ;
this.Flow.mouseX = mouseX;
this.Flow.mouseY = mouseY;
this.moveToPosition(target, true);
}.bind(this);
var beforeDrag = function () {};
var afterDrag = function (event) {
var t = Math.round(this._targetPosition);
if (Math.abs( t - this._currentPosition) > 0.001 )
this.moveToPosition(t);
}.bind(this);
this.Flow.makeDraggable(onDrag, beforeDrag, afterDrag);
}
// Scrollbar Object
if (this.Scrollbar) {
var click = function(event) {
if (!event) var event = window.event;
if (!this.Scrollbar.clickLocked) {
var mouseX = event.clientX;
var positionOnScrollbar = mouseX - this.Scrollbar.position.left;
var targetIndex = Math.round(positionOnScrollbar/this.Scrollbar.dimensions.width * this.itemsLastIndex);
this.moveToIndex(targetIndex);
}
else
this.Scrollbar.clickLocked = false;
}.bind(this);
this.Scrollbar.addObserver('click', click);
}
// Slider Object
if (this.Slider) {
if (this.Browser.IE6) {
var virtualSlider = document.createElement('div');
virtualSlider.className = 'virtualSlider';
this.Slider.appendChild(virtualSlider);
}
// position slider on scrollbar
this.Slider.setPosition = function (relPos) {
relPos = relPos - Math.floor(relPos) + this._getIndexByPosition(Math.floor(relPos));
if (Math.round(relPos) < 0)
relPos = this.itemsLastIndex;
else if (relPos <= 0)
relPos = 0;
else if (Math.round(relPos) > this.itemsLastIndex)
relPos = 0;
else if (relPos >= this.itemsLastIndex)
relPos = this.itemsLastIndex;
if (this.items.length > 1) {
var sPos = (relPos / this.itemsLastIndex)* this.Scrollbar.dimensions.width;
} else {
var sPos = 0.5 * this.Scrollbar.dimensions.width;
}
this.Slider.style.left = sPos - this.Slider.center.x+ "px";
this.Slider.style.top = this.Scrollbar.center.y - this.Slider.center.y +"px";
}.bind(this);
// make slider draggable
var beforeDrag = function (event) {
this.Scrollbar.clickLocked = true;
}.bind(this);
var onDrag = function (event) {
var e = event;
if (event.touches) e = event.touches[0];
var selectedIndex = this._checkIndex((e.clientX - this.Scrollbar.position.left) / this.Scrollbar.dimensions.width * this.itemsLastIndex);
this._targetPosition = this._getPositionByIndex(selectedIndex);
this.Slider.setPosition(selectedIndex);
if (this.Position) this.Position.setLabel(selectedIndex);
this._initStep(true, true);
}.bind(this);
var afterDrag = function (event) {
this._targetPosition = Math.round(this._targetPosition);
this.conf.onMoveTo(this._getItemByPosition(this._targetPosition));
this._initStep(true);
}.bind(this);
this.Slider.makeDraggable(onDrag, beforeDrag, afterDrag);
}
// Position object
if (this.Position) {
this.Position.setLabel = function (index) {
index = this._checkIndex(Math.round(index));
if (this.items && this.items[index].label)
this.Position.innerHTML = this.items[index].label.innerHTML;
else
this.Position.innerHTML = index + 1;
}.bind(this);
}
this.globalCaption = this.Container.getChildrenByClassName('globalCaption')[0];
this.loadIndicator = this.Container.getChildrenByClassName('loadIndicator')[0];
},
/* ---------- init element sizes ---------- */
_initSizes: function (x) {
//if (this.Browser.Konqueror4 && x != true) {
//var t = this;
//window.setTimeout( function () { t._initSizes(true) }, 0);
//return;
//}
// sets this.maxHeight
this._initMaxHeight();
var scrollbarHeight = this._initScrollbarSize();
// reduce maxHeit if container has a fixed height
if (!this.conf.verticalFlow && this.Container.style.height && this.Container.style.height != "auto")
this.maxHeight -= scrollbarHeight;
if (!this._activeItem) return;
var mFS = this._findBiggestItem();
var pF = this.Flow.findPos();
/* set height / width of flow */
if (this.conf.verticalFlow) {
this.Flow.style.width = mFS.width.width+"px";
this.Flow.style.height =3* mFS.width.width * (1 + this.conf.reflectionHeight + this.conf.reflectionGap) + "px";
} else {
this.Flow.style.height = mFS.height.height +(mFS.height.top - pF.top)+"px";
}
/* remove gap */
var s = this.conf.verticalFlow ? mFS.width.width : mFS.height.height;
var cH = s /(1 + this.conf.reflectionHeight + this.conf.reflectionGap);
this.Flow.style.marginBottom = - (s - cH)+ "px";
this.Flow.dimensions = this.Flow.getDimensions();
if (!this.Browser.IE6) {
if (this.conf.verticalFlow && this.Container.clientWidth < this.Flow.dimensions.width) {
//this.Container.style.width = this.Flow.dimensions.width+"px";
}
else if (this.Container.clientHeight < this.Flow.dimensions.height) {
this.Container.style.height = this.Flow.dimensions.height+"px";
}
}
if (this.conf.verticalFlow) {
this.Flow.center = {x: this.Flow.dimensions.height/2, y:mFS.width.width/2};
} else {
this.Flow.center = {x: this.Flow.dimensions.width/2, y:mFS.height.height/2};
}
},
/* -------------------------------------------------------------------------------- */
_initScrollbarSize: function () {
var SB;
var SL;
var PO;
if (SB = this.Scrollbar) {
SB.setDimensions();
var scrollbarHeight = SB.dimensions.height;
if (SL = this.Slider) {
SL.setDimensions();
scrollbarHeight += SL.dimensions.height;
if (PO = this.Position) {
var oldLabel = PO.innerHTML;
var maxH = maxW = 0;
PO.style.width = "auto";
if (this.items) {
for (var i=0; i < this.items.length; i++) {
var item = this.items[i];
if (item.label) {
PO.innerHTML = item.label.innerHTML;
}
else {
PO.innerHTML = item.index;
}
var h = PO.clientHeight;
var w = PO.clientWidth;
if ( h > maxH) maxH = h;
if ( w > maxW) maxW = w;
}
}
else {
PO.innerHTML = " ";
maxH = PO.clientHeight;
maxW = PO.clientWidth;
}
PO.innerHTML = oldLabel;
PO.setDimensions();
PO.style.width = maxW +"px";
PO.style.left = (SL.dimensions.width - maxW)/2 + "px";
var extraSpace = PO.position.top - SL.position.top;
if (extraSpace > 0) {
extraSpace += -SB.dimensions.height + maxH;
SB.style.marginBottom = extraSpace + "px";
}
else {
extraSpace *= -1;
SB.style.marginTop = extraSpace + "px";
}
scrollbarHeight += extraSpace;
}
}
}
else {
scrollbarHeight = 0;
}
return scrollbarHeight;
},
/* -------------------------------------------------------------------------------- */
_initMaxHeight: function () {
if (this.conf.verticalFlow) {
var proportion = screen.width/screen.height;
var Csd = this.Container.style.width;
var Cdim = this.Container.clientWidth;
var Fsd = this.Flow.style.width;
var Fdim = this.Flow.clientWidth;
var Fdim_o = this.Flow.clientHeight;
} else {
var proportion = screen.height/screen.width;
var Csd = this.Container.style.height;
var Cdim = this.Container.clientHeight;
var Fsd = this.Flow.style.height;
var Fdim = this.Flow.clientHeight;
var Fdim_o = this.Flow.clientWidth;
}
// set height of container and flow
if (this.ContainerOldDim)
Csd = this.ContainerOldDim;
if (this.FlowOldDim)
Fsd = this.FlowOldDim;
this.ContainerOldDim = "auto";
this.FlowOldDim = "auto";
/* calc maxHeight */
if (this.conf.maxItemHeight <= 0) {
this.maxHeight = Fdim_o / 3 * proportion/1 * this.conf.scaleFactor; // divided by 3 because of left/center/right, yes it's a magic number
if (this.conf.verticalFlow && (this.maxHeight == 0 || this.maxHeight > Fdim)) {
this.maxHeight = Fdim;
}
if (Csd && Csd != "auto") {
var gap = this.conf.verticalFlow ? 0 : this.conf.reflectionGap;
var rH = this.conf.verticalFlow ? 0 : this.conf.reflectionHeight;
this.maxHeight = Cdim/ (this.conf.scaleFactor* (1 + rH + gap));
this.ContainerOldDim = Csd;
}
else if (Fsd && Fsd != "auto") {
var gap = this.conf.verticalFlow ? 0 : this.conf.reflectionGap;
this.maxHeight = Fdim / (this.conf.scaleFactor* (1 + this.conf.reflectionHeight + gap));
this.FlowOldDim = Fsd;
}
}
else {
this.maxHeight = this.conf.maxItemHeight;
}
},
/* -------------------------------------------------------------------------------- */
_findBiggestItem: function () {
var currentItem = this._activeItem;
var itemP = currentItem.pre;
var itemN = currentItem.next;
var mFS = maxFlowSize = {
width: { width: 0, left: 0, height:0, top: 0, item: null, rI: 0 },
height: { width: 0, left: 0, height:0, top: 0, item: null, rI: 0 }
}
var checkMax = function (item, rI) {
var el = item.element;
el.style.display = "block";
var p = el.findPos();
var h = el.clientHeight;
var w = el.clientWidth;
if (h + p.top >= mFS.height.height + mFS.height.top) {
mFS.height.height = h;
mFS.height.top = p.top;
mFS.height.item = item;
mFS.height.rI = rI;
}
if (w + p.left >= mFS.width.width + mFS.width.left) {
mFS.width.width = w;
mFS.width.left = p.left;
mFS.width.item = item;
mFS.width.rI = rI;
}
el.style.display = "none";
}
var ocp = this._currentPosition;
this._currentPosition = this.conf.visibleItems+1;
// find the position with highest y-value
for (var i=-this.conf.visibleItems; i <= this.conf.visibleItems; i++) {
currentItem.element.style.display = "none";
this._positionItem(currentItem, i);
checkMax(currentItem, i);
}
// find the biggest item
var index = mFS.height.rI;
for (var i=0; i < this.items.length; i++) {
var item = this.items[i];
item.element.style.display = "none";
this._positionItem(item, index);
checkMax(item, index);
}
this._currentPosition = ocp;
return mFS
},
/*
* ==================== Key strok ====================
*/
/*
* handles keystroke events
*/
_keyStroke: function(event) {
if(!event) var event = window.event;
if (event.which) {
var keyCode = event.which;
} else if (event.keyCode) {
var keyCode = event.keyCode;
}
if (this.conf.keys[keyCode]) {
this.conf.keys[keyCode].bind(this)();
return Event.stop(event);
}
else {
return true;
}
},
/*
* ==================== mouse wheel ====================
* Event handler for mouse wheel event
* http://adomas.org/javascript-mouse-wheel/
*/
_wheel: function (event) {
if (!event) var event = window.event; // MS
var delta = 0;
if (event.wheelDelta) {
delta = event.wheelDelta/120;
} else if (event.detail) {
delta = -event.detail/3;
}
if (delta) {
var target = this._targetPosition ;
if (delta < 0 ) {
target += (1 * this.conf.scrollWheelSpeed);
} else {
target -= (1 * this.conf.scrollWheelSpeed);
}
this.moveToPosition(Math.round(target));
}
return Event.stop(event);
},
/*
* ==================== set global Caption ====================
*/
_setGlobalCaption: function () {
if (this.globalCaption) {
this.globalCaption.innerHTML = '';
if(this._activeItem && this._activeItem.caption)
this.globalCaption.appendChild(this._activeItem.caption.cloneNode(true));
}
},
/*
* ==================== move items ====================
*/
/*
* intend to make a step
*/
_initStep: function (holdSlider, holdPos) {
if (this.Slider) {
if(holdSlider) {
this.Slider.locked = true;
} else {
this.Slider.locked = false;
}
}
this._holdPos = holdPos == true ? true : false;
if (!this._stepLock) {
this._stepLock = true;
this._step();
}
},
/*
* make a step
*/
_step: function () {
var diff = this._targetPosition - this._currentPosition;
var absDiff = Math.abs(diff);
if ( absDiff > 0.001) { // till activeItem is nearly at position 0
this._currentPosition += this.conf.flowSpeedFactor * this.conf.calcStepWidth(diff, absDiff, this.items.length, this.conf.visibleItems);
var AI = this.items[(this._getIndexByPosition(this._currentPosition))];
if (AI && AI != this._activeItem) {
if (this._activeItem) this._activeItem.makeInactive();
this._activeItem = AI;
this._activeItem.makeActive();
this._setCaptionLabel(this._activeItem.index);
if (Math.abs(this._targetPosition - this._currentPosition) <= 0.5 ) this.conf.onReachTarget(this._activeItem);
}
this._positionItems();
var st = this._step.bind(this);
window.setTimeout(st,this._millisecondsPerStep);
} else if (!this._holdPos) {
if (this.Slider) this.Slider.locked = false;
this._currentPosition = Math.round(this._currentPosition);
if(this.Position && !this.Slider.locked && this._activeItem) {
this._setCaptionLabel(this._activeItem.index);
}
this._positionItems();
this._stepLock = false;
} else {
this._stepLock = false;
}
if (this.Slider && !this.Slider.locked) {
this.Slider.setPosition(this._currentPosition);
}
},
/* ------------------------------------------------------------------------------------------------------ */
/*
* position items
*/
_positionItems: function () {
if (this._lastStart) {
var item = this._lastStart;
while (item) {
item.element.style.display="none";
item = item.next;
if (item == this._lastStart) break;
if (item && item.pre == this._lastEnd) break;
}
}
else {
this._lastStart = this._activeItem;
}
if (!this._activeItem) return;
var currentItem = this._activeItem;
var itemP = currentItem.pre;
var itemN = currentItem.next;
this._positionItem(currentItem, 0);
for (var i=1; i <= this.conf.visibleItems && 2*i < this.items.length ; i++) {
if (itemP) {
this._positionItem(itemP, -i);
this._lastStart = itemP;
itemP = itemP.pre;
}
if (itemN) {
this._positionItem(itemN, i);
this._lastEnd = itemN;
itemN = itemN.next;
}
}
},
_positionItem: function (item, relativeIndex) {
var conf = this.conf;
var vF = conf.verticalFlow;
var els = item.element.style;
//els.display =" none";
//if (els.display != "none") return;
/* Index and position relative to activeItem */
var p = item.position = this._currentPosition + relativeIndex;
var relativePosition = item.relativePosition = Math.round(p) - this._currentPosition;
var relativePositionNormed = item.relativePositionNormed = conf.visibleItems > 0 ? relativePosition/conf.visibleItems : 0;
var side = relativePosition < 0 ? -1 : 1;
side *= relativePosition == 0 ? 0 : 1;
item.side = side;
var size = conf.calcSize(item);
size.height = Math.max(size.height, 0);
size.width = Math.max(size.width, 0);
if (item.content.origProportion) size = this._scaleImageSize(item, size);
item.size = size;
var coords = item.coordinates = conf.calcCoordinates (item);
var relItemPos = item.relativeItemPosition = conf.calcRelativeItemPosition(item);
var zIndex = item.zIndex = conf.calcZIndex (item);
var fontSize = item.fontSize = conf.calcFontSize (item);
var opacity = item.opacity = conf.calcOpacity(item);
size.height *= this.maxHeight;
size.width *= this.maxHeight;
/* set position */
var sA = vF ? size.height : size.width;
var sB = vF ? size.width : size.height;
var pX = this.Flow.center.x * ( 1 + coords.x ) + (relItemPos.x - 1) * sA/2;
var pY = this.maxHeight/2 * ( 1 + coords.y ) + (relItemPos.y - 1 )* sB/2;
els.left = (vF ? pY : pX)+"px";
els.top = (vF ? pX : pY)+"px";
this._setItemSize(item, size);
/* set opacity */
if (conf.endOpacity != 1) {
this._setItemOpacity(item);
}
/* set font size */
if (!this.Browser.IE) els.fontSize = (fontSize * 100) +"%";
/* set z-index */
els.zIndex = 32768 + Math.round(zIndex * this.items.length); // just for FF
conf.onDrawItem(item);
els.visibility = "visible";
els.display = "block";
},
_scaleImageSize: function (item, size, max) {
var sFL = this.conf.scaleFactorLandscape;
var sFP = this.conf.scaleFactorPortrait;
var vF = this.conf.verticalFlow;
var prop = item.content.origProportion;
var width = size.width;
var height = size.height;
var c = item.content;
if (vF) {
if (prop <= 1) {
if (sFL != "max" && sFL != 1) {
height *= sFL;
width = Math.min(height * prop, max ? max : 1 );
}
height = width / prop;
}
else if (prop > 1) {
if (sFP == "max") {
height = max ? max : 1;
}
else if (sFP != 1) {
width *= sFP;
height = Math.min(width/prop, max ? max : 1)
}
else {
height = width / prop;
}
width = height * prop;
}
}
else {
if (prop > 1) {
if (sFL != "max" && sFL != 1) {
width *= sFL;
height = Math.min(width / prop, max ? max : 1);
}
width = height * prop;
}
else if (prop <= 1) {
if (sFP == "max") {
width = max ? max : 1;
}
else if (sFP != 1) {
height *= sFP;
width = Math.min(height*prop, max ? max : 1);
}
else {
width = height * prop;
}
height = width / prop;
}
}
height = isNaN(height) ? 0 : height;
width = isNaN(width) ? 0 : width;
if (!max && this.conf.fixItemSize) {
var propS = size.width / size.height;
var max = Math.max(size.width, size.height);
var s = this._scaleImageSize(item, {width: max, height: max}, max);
if (propS < 1) {
height = s.height/size.height;
width = height * prop / propS;
}
else {
width = s.width/size.width;
height = width / prop * propS;
}
var h = height * 100;
var w = width * 100;
var mL= (1 - width)/2 * 100;
var mT= ( 1 - height ) / propS * 100 * (vF ? 0.5 : 1 );
c.style.height = h+"%";
if (item.reflection) item.reflection.style.height = h*this.conf.reflectionHeight+"%";
c.style.width = w+"%";
if (item.reflection) item.reflection.style.width = w+"%";
c.style.marginLeft = mL+"%";
if (item.reflection) item.reflection.style.marginLeft = mL+"%";
c.style.marginTop = mT+"%";
item.element.style.overflow = "hidden";
return size;
}
else {
return {width: width, height: height};
}
},
_setItemSize: (function () {
if (ContentFlowGlobal.Browser.IE) {
var _setItemSize = function (item, size) {
if (!this.conf.fixItemSize) {
item.content.style.height = size.height+"px";
}
else if (ContentFlowGlobal.Browser.IE6) {
var h = parseInt(item.content.style.height)/100;
item.content.style.height = size.height*h+"px";
var mT = parseInt(item.content.style.marginTop)/100;
item.content.style.marginTop = size.height*mT+"px";
}
if (item.reflection) {
var h = parseInt(item.content.style.height);
item.reflection.style.height = h*this.conf.reflectionHeight+"px";
item.reflection.style.marginTop = h * this.conf.reflectionGap + "px";
}
item.element.style.width = size.width +"px";
item.element.style.height = size.height*(1+this.conf.reflectionHeight+this.conf.reflectionGap)+"px";
}
}
else {
var _setItemSize = function (item, size) {
if (item.reflection) {
item.element.style.height = size.height*(1+this.conf.reflectionHeight + this.conf.reflectionGap) +"px";
item.reflection.style.marginTop = size.height * this.conf.reflectionGap + "px";
}
else if (this._reflectionWithinImage) {
item.element.style.height = size.height*(1+this.conf.reflectionHeight + this.conf.reflectionGap) +"px";
}
else {
item.element.style.height = size.height +"px";
}
item.element.style.width = size.width +"px";
}
}
return _setItemSize;
})(),
_setItemOpacity: (function () {
if (ContentFlowGlobal.Browser.IE6) {
var _setItemOpacity = function (item) {
if (item.content.origSrc && item.content.origSrc.match(/\.png$/) ) {
var s = item.content.src;
item.content.src = item.content.origSrc;
item.content.style.filter = item.content.filterString+" progid:DXImageTransform.Microsoft.BasicImage(opacity="+item.opacity+")";
item.content.src = s;
}
else {
item.content.style.filter = "progid:DXImageTransform.Microsoft.BasicImage(opacity="+item.opacity+")";
}
if (item.reflection) item.reflection.style.filter = item.reflection.filterString+"progid:DXImageTransform.Microsoft.BasicImage(opacity="+item.opacity+")";
}
}
else if (ContentFlowGlobal.Browser.IE) {
var _setItemOpacity = function (item) { item.element.style.filter = "progid:DXImageTransform.Microsoft.BasicImage(opacity="+item.opacity+")"; }
}
else {
var _setItemOpacity = function (item) { item.element.style.opacity = item.opacity; }
}
return _setItemOpacity;
})()
};
/* ==================== extendig javascript/DOM objects ==================== */
/*
* adds bind method to Function class
* http://www.digital-web.com/articles/scope_in_javascript/
*/
if (!Function.bind) {
Function.prototype.bind = function(obj) {
var method = this;
return function () {
return method.apply(obj, arguments);
};
};
}
/*
* extending Math object
*/
if (!Math.erf2) {
// error function (http://en.wikipedia.org/wiki/Error_function), implemented as erf(x)^2
Math.erf2 = function (x) {
var a = - (8*(Math.PI -3)/(3*Math.PI*(Math.PI -4)));
var x2 = x*x;
var f = 1 - Math.pow(Math.E, -x2 * (4/Math.PI + a*x2)/(1+a*x2));
return f;
};
}
if (!Math._2PI05) {
Math._2PI05 = Math.sqrt(2*Math.PI);
}
if (!Math.normDist) {
// normal distribution
Math.normDist = function (x, sig, mu) {
if (!sig) var sig = 1;
if (!mu) var mu = 0;
if (!x) var x = - mu;
return 1/(sig * Math._2PI05) * Math.pow(Math.E, - (x-mu)*(x-mu)/(2*sig*sig) );
};
}
if (!Math.normedNormDist) {
Math.normedNormDist = function (x, sig, mu) {
return this.normDist(x, sig, mu)/this.normDist(mu, sig, mu);
};
}
if (!Math.exp) {
Math.exp = function(x) {
return Math.pow(Math.E, x);
};
}
if (!Math.ln) {
Math.ln = Math.log;
}
if (!Math.log2) {
Math.log2 = function (x) {
return Math.log(x)/Math.LN2;
};
}
if (!Math.log10) {
Math.log10 = function (x) {
return Math.log(x)/Math.LN10;
};
}
if (!Math.logerithm) {
Math.logerithm = function (x, b) {
if (!b || b == Math.E)
return Math.log(x);
else if (b == 2)
return Math.log2(x);
else if (b == 10)
return Math.log10(x);
else
return Math.log(x)/Math.log(b);
};
}
/*
* extending Event object
*/
if (!Event) var Event = {};
if (!Event.stop) {
Event.stop = function (event) {
event.cancelBubble = true;
if (event.preventDefault) event.preventDefault();
if (event.stopPropagation) event.stopPropagation();
return false;
};
}
/*
* extending Element object
*/
if (document.all && !window.opera) {
window.$CF = function (el) {
if (typeof el == "string") {
return window.$CF(document.getElementById(el));
}
else {
if (CFElement.prototype.extend && el && !el.extend) CFElement.prototype.extend(el);
}
return el;
};
} else {
window.$CF = function (el) {
return el;
};
}
if (!window.HTMLElement) {
CFElement = {};
CFElement.prototype = {};
CFElement.prototype.extend = function (el) {
for (var method in this) {
if (!el[method]) el[method] = this[method];
}
};
}
else {
CFElement = window.HTMLElement;
}
/*
* Thanks to Peter-Paul Koch
* http://www.quirksmode.org/js/findpos.html
*/
if (!CFElement.findPos) {
CFElement.prototype.findPos = function() {
var obj = this;
var curleft = curtop = 0;
try {
if (obj.offsetParent) {
curleft = obj.offsetLeft;
curtop = obj.offsetTop;
while (obj = obj.offsetParent) {
curleft += obj.offsetLeft;
curtop += obj.offsetTop;
}
}
}
catch (ex) {}
return {left:curleft, top:curtop};
};
}
if (!CFElement.getDimensions) {
CFElement.prototype.getDimensions = function() {
return {width: this.clientWidth, height: this.clientHeight};
};
}
/*
* checks if an element has the class className
*/
if (!CFElement.hasClassName) {
CFElement.prototype.hasClassName = function(className) {
return (new RegExp('\\b'+className+'\\b').test(this.className));
};
}
/*
* adds the class className to the element
*/
if (!CFElement.addClassName) {
CFElement.prototype.addClassName = function(className) {
if(!this.hasClassName(className)) {
this.className += (this.className ? ' ':'') + className ;
}
};
}
/*
* removes the class className from the element el
*/
if (!CFElement.removeClassName) {
CFElement.prototype.removeClassName = function(className) {
this.className = this.className.replace(new RegExp('\\b'+className+'\\b'), '').replace(/\s\s/g,' ');
};
}
/*
* removes or adds the class className from/to the element el
* depending if the element has the class className or not.
*/
if (!CFElement.toggleClassName) {
CFElement.prototype.toggleClassName = function(className) {
if(this.hasClassName(className)) {
this.removeClassName(className);
} else {
this.addClassName(className);
}
};
}
/*
* returns all children of element el, which have the class className
*/
if (!CFElement.getChildrenByClassName) {
CFElement.prototype.getChildrenByClassName = function(className) {
var children = new Array();
for (var i=0; i < this.childNodes.length; i++) {
var c = this.childNodes[i];
if (c.nodeType == 1 && $CF(c).hasClassName(className)) {
children.push(c);
}
}
return children;
};
}
/*
* Browser independent event handling method.
* adds the eventListener eventName to element el and attaches the function method to it.
*/
if (!CFElement.addEvent) {
CFElement.prototype.addEvent = function(eventName, method, capture) {
if (this.addEventListener)
this.addEventListener(eventName, method, capture);
else
this.attachEvent('on'+eventName, method);
};
}
/*
* Browser independent event handling method.
* removes the eventListener eventName with the attached function method from element el.
*/
if (!CFElement.removeEvent) {
CFElement.prototype.removeEvent = function(eventName, method, capture) {
if (this.removeEventListener)
this.removeEventListener(eventName, method, capture);
else
this.detachEvent('on'+eventName, method);
};
}
/*
* Browser independent event handling method.
* adds the eventListener eventName to element el and attaches the function method to it.
*/
if (!window.addEvent) {
window.addEvent = function(eventName, method, capture) {
if (this.addEventListener) {
this.addEventListener(eventName, method, capture);
} else {
if (eventName != 'load' && eventName != 'resize')
document.attachEvent('on'+eventName, method);
else
this.attachEvent('on'+eventName, method);
}
};
}
/*
* Browser independent event handling method.
* removes the eventListener eventName with the attached function method from element el.
*/
if (!window.removeEvent) {
window.removeEvent = function(eventName, method, capture) {
if (this.removeEventListener) {
this.removeEventListener(eventName, method, capture);
} else {
if (eventName != 'load' && eventName != 'resize')
document.detachEvent('on'+eventName, method);
else
this.detachEvent('on'+eventName, method);
}
};
}
/* ==================== start it all up ==================== */
//ContentFlowGlobal.init();
/**
* PrimeFaces ContentFlow Widget
*/
PrimeFaces.widget.ContentFlow = PrimeFaces.widget.DeferredWidget.extend({
init: function(cfg) {
this._super(cfg);
this.renderDeferred();
},
_render: function() {
this.cf = new ContentFlow(this.id, this.cfg);
}
});
