// SpryTitleSliderPlugin.js - version 0.3 - Spry Pre-Release 1.7

//

// Copyright (c) 2010. Adobe Systems Incorporated.

// All rights reserved.

//

// Redistribution and use in source and binary forms, with or without

// modification, are permitted provided that the following conditions are met:

//

//   * Redistributions of source code must retain the above copyright notice,

//     this list of conditions and the following disclaimer.

//   * Redistributions in binary form must reproduce the above copyright notice,

//     this list of conditions and the following disclaimer in the documentation

//     and/or other materials provided with the distribution.

//   * Neither the name of Adobe Systems Incorporated nor the names of its

//     contributors may be used to endorse or promote products derived from this

//     software without specific prior written permission.

//

// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE

// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

// POSSIBILITY OF SUCH DAMAGE.



(function() { // BeginSpryComponent



if (typeof Spry == "undefined" || !Spry.Widget || !Spry.Widget.ImageSlideShow)

{

	alert("SpryTitleSliderPlugin.js requires SpryImageSlideShow.js!");

	return;

}



var defaultConfig = {

	direction: "up", // up, down, left, right

	duration: 500,

	pluginOptionsProp: "TSP"

};



var gTSP = Spry.Widget.ImageSlideShow.TitleSliderPlugin = {

	config: defaultConfig,



	initialize: function(ss)

	{

		var opts = ss.titleSliderPluginInfo = {};

		ss.setOptions(opts, defaultConfig);

		ss.setOptions(opts, ss[defaultConfig.pluginOptionsProp]);

		

		opts.animationLock = 0;

		opts.showTitleFunc = function() { gTSP.showTitle(ss); };



		var dir = opts.direction;



		opts.scrollDimension = (dir == "down" || dir == "right") ? "scrollWidth" : "scrollHeight";

		opts.sideProp =  (dir == "left" || dir == "right") ? "left" : "top";

		opts.distPrefix = (dir == "down" || dir == "right") ? "-" : "";

	

		ss.addObserver(this);

	},



	showTitle: function(ss)

	{

		var t = ss.titleSliderPluginInfo.clipEle;

		var c = ss.titleSliderPluginInfo.contentEle;

		if (t && c)

		{

			var info = ss.titleSliderPluginInfo;

			c.style[info.sideProp] = info.distPrefix + t[info.scrollDimension] + "px";

			c.style.visibility = "visible";



			var anim = new Spry.Effect.CSSAnimator(c, info.sideProp + ": 0px", { duration: info.duration });

			anim.start();

		}

	},



	hideTitle: function(ss, slideIndex)

	{

		var t = ss.titleSliderPluginInfo.clipEle;

		var c = ss.titleSliderPluginInfo.contentEle;

		if (t && c)

		{

			var info = ss.titleSliderPluginInfo;

			var anim = new Spry.Effect.CSSAnimator(c, info.sideProp + ": " + info.distPrefix + t[info.scrollDimension] + "px", {

				duration: info.duration,

				onComplete: function() {

					c.style.visibility = "hidden";

					if (slideIndex >= 0)

						ss.showSlide(slideIndex);

				}

			});

			anim.start();

		}

	},



	onPostTransformMarkup: function(ss,evt)

	{

		var ele = Spry.$$("."+ss.slideTitleClass, ss.element)[0];

		if (ele && ele.contentContainer)

		{

			var clip = ss.titleSliderPluginInfo.clipEle = ele.contentContainer;

			clip.style.overflow = "hidden";

			var content = document.createElement(clip.nodeName.toLowerCase() == "div" ?  "div" : "span");

			ss.appendChildNodes(content, ss.extractChildNodes(clip));

			clip.appendChild(content);

			content.style.position = "relative";

			ss.titleSliderPluginInfo.contentEle = content;

		}

	},



	onPreShowSlide: function(ss,evt)

	{

		var pi = ss.titleSliderPluginInfo;



		if (pi.showTimerID)

		{

			clearTimeout(pi.showTimerID);

			pi.showTimerID = 0;

		}



		if (pi.clipEle)

		{

			if(!pi.animationLock)

			{

				++pi.animationLock;

				gTSP.hideTitle(ss, evt.slideIndex);

				evt.preventDefault();

				return;

			}

			--pi.animationLock;

		}

	},

	

	onPreUpdateSlideTitle: function(ss,evt)

	{

		// We need to override the default updateSlideTitle() implementation so we can insert

		// the title into our content element.



		var pi = ss.titleSliderPluginInfo;

		if (pi.clipEle)

		{

			pi.contentEle.innerHTML = evt.title ? evt.title : "";

	

			// Delay the show until after the slide transition finishes.

			pi.showTimerID = setTimeout(pi.showTitleFunc, ss.transitionDuration);



			// Tell the slide show not to set the title label.

			evt.preventDefault();

		}

	}

};



})(); // EndSpryComponent