// accordion.js v2.0
//
// Copyright (c) 2007 stickmanlabs
// Author: Kevin P Miller | http://www.stickmanlabs.com
// 
// Accordion is freely distributable under the terms of an MIT-style license.
//
// I don't care what you think about the file size...
//   Be a pro: 
//	    http://www.thinkvitamin.com/features/webapps/serving-javascript-fast
//      http://rakaz.nl/item/make_your_pages_load_faster_by_combining_and_compressing_javascript_and_css_files
//

/*-----------------------------------------------------------------------------------------------*/

if (typeof Effect == 'undefined') 
	throw("accordion.js requires including script.aculo.us' effects.js library!");

var accordion = Class.create();
accordion.prototype = {

	//
	//  Setup the Variables
	//
	showAccordion : null,
	currentAccordion : null,
	duration : null,
	effects : [],
	animating : false,
	
	//  
	//  Initialize the accordions
	//
	initialize: function(container, options) {
	  if (!$(container)) {
	    throw(container+" doesn't exist!");
	    return false;
	  }
	  
		this.options = Object.extend({
			resizeSpeed : 2,
			classNames : {
				toggle : 'accordion_toggle',
				toggleActive : 'accordion_toggle_active',
				toggleOrange : 'accOrange',   // current accordion_toggle style is accOrange
				toggleOrangeActive : 'accOrangeActive',   // set if the current accordion_toggle style is accOrange
				toggleGrey : 'accGray',       // current accordion_toggle style is accGray
				toggleGreyActive : 'accGrayActive',       //set if the current accordion_toggle style is accGray
				content : 'accordion_content'
			},
			defaultSize : {
				height : 333,
				width : 986
			},
			direction : 'vertical',
			onEvent : 'click'
		}, options || {});
		
		this.duration = ((11-this.options.resizeSpeed)*0.15);

		var accordions = $$('#'+container+' .'+this.options.classNames.toggle);
		accordions.each(function(accordion) {
			Event.observe(accordion, this.options.onEvent, this.activate.bind(this, accordion), false);
			if (this.options.onEvent == 'click') {
			  accordion.onclick = function() {return false;};
			}
			
			if (this.options.direction == 'horizontal') {
				var options = $H({width: '0px'});
			} else {
				var options = $H({height: '0px'});			
			}
			options.merge({display: 'none'});			
			
			this.currentAccordion = $(accordion.next(0)).setStyle(options);			
		}.bind(this));
	},
	
	//
	//  Activate an accordion
	//
	activate : function(accordion) {
		if (this.animating) {
			return false;
		}
		
		this.effects = [];
	
		this.currentAccordion = $(accordion.next(0));
		this.currentAccordion.setStyle({
			display: 'block'
		});		
		
		this.currentAccordion.previous(0).addClassName(this.options.classNames.toggleActive);
    	
    	// acc: remove the active class based on color
	    if(this.currentAccordion.previous(0).hasClassName(this.options.classNames.toggleGrey)) {
	    	this.currentAccordion.previous(0).addClassName(this.options.classNames.toggleGreyActive);
	    }else if (this.currentAccordion.previous(0).hasClassName(this.options.classNames.toggleOrange)) {
	    	this.currentAccordion.previous(0).addClassName(this.options.classNames.toggleOrangeActive);
	    }
    
    // acc: END remove

		if (this.options.direction == 'horizontal') {
			this.scaling = $H({
				scaleX: true,
				scaleY: false
			});
		} else {
			this.scaling = $H({
				scaleX: false,
				scaleY: true
			});			
		}
			
		if (this.currentAccordion == this.showAccordion) {
			/* Disable manual collapsing
		     * this.deactivate();
		     */
		} else {
		  this._handleAccordion();
		}
	},
	// 
	// Deactivate an active accordion
	//
	deactivate : function() {
		var options = $H({
		  duration: this.duration,
			scaleContent: false,
			transition: Effect.Transitions.sinoidal,
			queue: {
				position: 'end', 
				scope: 'accordionAnimation'
			},
			scaleMode: { 
				originalHeight: this.options.defaultSize.height ? this.options.defaultSize.height : this.currentAccordion.scrollHeight,
				originalWidth: this.options.defaultSize.width ? this.options.defaultSize.width : this.currentAccordion.scrollWidth
			},
			beforeStart: function(el){ if(!el.element.down('.aufklappContainer')) return;el.element.down(' .aufklappContainer').setStyle(
      { // mse: hide overflow before colllapsing 
            overflowY: 'hidden'
          });      
			},
			afterFinish: function() {
				this.showAccordion.setStyle({
          			height: 'auto',
					display: 'none'
				});				
				this.showAccordion = null;
				this.animating = false;
			}.bind(this)
		});    
    options.merge(this.scaling);

    this.showAccordion.previous(0).removeClassName(this.options.classNames.toggleActive);
		
    // acc: remove the active class based on color
    if(this.showAccordion.previous(0).hasClassName(this.options.classNames.toggleGreyActive)) {
    	this.showAccordion.previous(0).removeClassName(this.options.classNames.toggleGreyActive);
    }else if(this.showAccordion.previous(0).hasClassName(this.options.classNames.toggleOrangeActive)) {
    	this.showAccordion.previous(0).removeClassName(this.options.classNames.toggleOrangeActive);
    }
    // acc: END remove
		new Effect.Scale(this.showAccordion, 0, options);
	},

  //
  // Handle the open/close actions of the accordion
  //
	_handleAccordion : function() {
		var options = $H({
			sync: true,
			scaleFrom: 0,
			scaleContent: false,
			transition: Effect.Transitions.sinoidal,
			scaleMode: { 
				originalHeight: this.options.defaultSize.height ? this.options.defaultSize.height : this.currentAccordion.scrollHeight,
				originalWidth: this.options.defaultSize.width ? this.options.defaultSize.width : this.currentAccordion.scrollWidth
			},
			beforeStart: function(el){
				
					var eid = el.element.id.split("_");
															
					if(document.getElementById('newloadcheck').innerHTML != '') {
						dojo.xhrGet( {
					        url: "/index.php?id=" + eid[1], 
					        load: function(data) {
					        	ary_string = data.split("<!-- contentmarker -->");
					            el.element.innerHTML = ary_string[1];
					        }
				        });
					}

					document.getElementById('newloadcheck').innerHTML = '1';
					
					if(!el.element.down('.aufklappContainer'))
						return;

					el.element.down(' .aufklappContainer').setStyle(
      					{ // mse: hide overflow before colllapsing 
            				overflowY: 'hidden'
          			});
          			      
			},
			afterFinish: function(el){ 
					if(!el.element.down('.aufklappContainer')) 
						return;
						
					el.element.down(' .aufklappContainer').setStyle(
      				{ // mse: hide overflow until animation has ended completely 
            			overflowY: 'auto'
          			});
      		}
		});
		options.merge(this.scaling);
    // this.currentAccordion.down(' .aufklappContainer').setStyle(
    // { // mse: hide overflow until animation has ended completely 
    //       overflowY: 'hidden'
    //     });
		
		this.effects.push(
			new Effect.Scale(this.currentAccordion, 100, options)
		);

		if (this.showAccordion) {
			this.showAccordion.previous(0).removeClassName(this.options.classNames.toggleActive);
			// acc: remove the active class based on color
        if(this.showAccordion.previous(0).hasClassName(this.options.classNames.toggleGreyActive)) {
        	this.showAccordion.previous(0).removeClassName(this.options.classNames.toggleGreyActive);
        }else if(this.showAccordion.previous(0).hasClassName(this.options.classNames.toggleOrangeActive)) {
          this.showAccordion.previous(0).removeClassName(this.options.classNames.toggleOrangeActive);
        }
      // acc: END remove
      
			options = $H({
				sync: true,
				scaleContent: false,
				transition: Effect.Transitions.sinoidal,
  			beforeStart: function(el){ if(!el.element.down('.aufklappContainer')) return;el.element.down(' .aufklappContainer').setStyle(
        { // mse: hide overflow before colllapsing 
              overflowY: 'hidden'
            });      
  			}
			});
			options.merge(this.scaling);
			
			this.effects.push(
				new Effect.Scale(this.showAccordion, 0, options)
			);				
		}
		
    new Effect.Parallel(this.effects, {
			duration: this.duration, 
			queue: {
				position: 'end', 
				scope: 'accordionAnimation'
			},
			beforeStart: function() {
				this.animating = true;
			}.bind(this),
			afterFinish: function() {
				if (this.showAccordion) {
					this.showAccordion.setStyle({
						display: 'none'
					});				
				}
				$(this.currentAccordion).setStyle({
				  height: '333px'
				});
				this.showAccordion = this.currentAccordion;
				this.animating = false;
			}.bind(this)
		});
	}
}