/* ########################################################################################################
 * Modifiziertes Skript by Reber IT - 2013
 * ########################################################################################################
 * ORIGINAL-SKRIPT:
 * Image preview script 
 * powered by jQuery (http://www.jquery.com)
 * 
 * written by Alen Grakalic (http://cssglobe.com)
 * 
 * for more info visit http://cssglobe.com/post/1695/easiest-tooltip-and-image-preview-using-jquery
 * ########################################################################################################
 */
 	//Hilfsvariablen
	var mouseOnThumb	= 0;
	var mouseOnZoom		= 0;
	var ivFlag			= "";
	var iiFlag			= "";



this.imagePreview_lbFx_zoom = function(){	
	var xOffset = 7; //Std: 10
	var yOffset = 5; //Std: 30
	bind2item = "mouse"; //mouse | img
    showTitel = true;
    fit2screen = true;
    fx = "fade";
    fxtime = 120;
    onklick = "nix";


	//# Funktion zum Bild-Einblenden
 	$("a.ritLightBox_zoom").bind("mouseenter", function(e){
		$(this).addClass("gotIt");
		var baseObject = this;
		var textLoader = false;
		setTimeout(function() { 
			baseObject.t = baseObject.title;
			baseObject.title = "";	
			if ($(baseObject).hasClass("gotIt")) {
				if ($(baseObject).hasClass("rit_tlbz")) { 
					var picPageX = parseInt($(baseObject).offset().left);
					var picPageY = parseInt($(baseObject).offset().top);
					var picHeight = parseInt($(baseObject).height());
					var picWidth  = parseInt($(baseObject).width());
					textLoader = true;
				} else { 
					var picPageX = parseInt($(baseObject).find("img").offset().left);
					var picPageY = parseInt($(baseObject).find("img").offset().top);
					var picHeight = parseInt($(baseObject).find("img").height());
					var picWidth  = parseInt($(baseObject).find("img").width());
				}
				
				
				removeZoomImage_force();
				var c = (baseObject.t != "") ? "<br/>" + baseObject.t : "";
				if (showTitel==false) { c=""; }
				$("body").append("<div id='ritLightBox_zoom_box' ><img id='img_fxZoom'  src='"+ baseObject.href +"?" + Number.random(10000,99999) + "' alt='Bildvorschau wird geladen..' />"+ c +"</div>");								 
				
				

				$("img#img_fxZoom").load(function() { // ALLES IM READY-HANDLER verstauen
					
					var screenW = parseInt($("body").width() + $(document).scrollLeft() );
					var screenH = parseInt($("body").height() + $(document).scrollTop() );
					
					var actualPos_top =  e.pageY - $(document).scrollTop();
					var actualPos_left =  e.pageX - $(document).scrollLeft();
					
					var zoomPicW = parseInt($("div#ritLightBox_zoom_box").width());
					var zoomPicH = parseInt($("div#ritLightBox_zoom_box").height());
					var cssPaddingY = parseInt($("div#ritLightBox_zoom_box").css("padding-top")) + parseInt($("div#ritLightBox_zoom_box").css("padding-bottom"));
					var cssPaddingX = parseInt($("div#ritLightBox_zoom_box").css("padding-left")) + parseInt($("div#ritLightBox_zoom_box").css("padding-right"));
					var cssBorderC = parseInt($("#ritLightBox_zoom_box").css("border-left-width")) + parseInt($("#ritLightBox_zoom_box").css("border-right-width"));
					
					alignX =0; alignY = 0;
					space_right	= screenW - (actualPos_left)			// Pixel nach rechts (Standard)
					space_left	= actualPos_left						// Platz nach links
					space_top	= actualPos_top							// Platz nach oben
					space_btm	= screenH - (actualPos_top)				// Platz nach oben
					
					var freeSpaceX = space_right
					var freeSpaceY = space_btm
						
					if ((space_right < zoomPicW) && (space_left > space_right)) { alignX = 1; freeSpaceX = space_left; }
					if ((space_btm < zoomPicH) && (space_top > space_btm)) {  alignY = 1; freeSpaceY = space_top; }
					//alert("alignX: " + alignX + " | alignY: " + alignY);
		
					
						if (freeSpaceX < zoomPicW) { 
							$("div#ritLightBox_zoom_box").css("width", parseInt(freeSpaceX*0.8) + "px");  
						} else if (freeSpaceY < zoomPicH) { 
							$("div#ritLightBox_zoom_box").css("height", parseInt(freeSpaceY*0.8) + "px"); 
						}
						// alert("FitScreen: " + freeSpaceX + "<" + zoomPicW + " --> RealW: " + $("div#ritLightBox_zoom_box").css("width") + " (" + parseInt(freeSpaceX*0.8) + ")" );
						//
						zoomPicW = parseInt($("div#ritLightBox_zoom_box").width());
						zoomPicH = parseInt($("div#ritLightBox_zoom_box").height());
					
						if (xOffset==0) { xOffset = -3; } 
						if (yOffset==0) { yOffset = -3; } 
						if (xOffset>0) { xOffset = xOffset * -1; }
						if (yOffset>0) { yOffset = xOffset * -1; }
					
					var workSetX=0; var workSetY=0; var startEdge="" 
					if ((alignY==0) && (alignX==0)) {	workSetX=-1 * xOffset;					workSetY=-1 * yOffset;				startEdge="leftTop";	 }	// von links oben (Std) | x+ | y- |
					if ((alignY==0) && (alignX==1)) {	workSetX=(-1 * xOffset)+(cssPaddingX+cssBorderC); 	workSetY=-1 * yOffset;					startEdge="rightTop";	 }	// von rechts oben  | x- | y- |
					if ((alignX==0) && (alignY==1)) { 	workSetX=(-1 * xOffset);				workSetY=-1*(yOffset)+(cssPaddingY+cssBorderC);	startEdge="leftBottom";	 }	// von links unten	| x+ | y+ |
					if ((alignX==1) && (alignY==1)) { 	workSetX=-1 * (xOffset-(cssPaddingX+cssBorderC));	workSetY=-1*(yOffset-(cssPaddingY+cssBorderC));	startEdge="rightBottom"; }	// von rechts unten | x- | y+ |
					
					
					var myOffsetX=workSetX; var myOffsetY=workSetY;
					var myOffsetX2=workSetX; var myOffsetY2=workSetY;
					
					if (alignX==1)  { myOffsetX = -1 * (workSetX + zoomPicW); } 		
					if (alignY==1) 	{ myOffsetY = -1 * (workSetY + zoomPicH); }		    
					
					if ((alignY==0) && (alignX==0)) {	myOffsetX2=workSetX;								myOffsetY2=workSetY;		 		startEdge2="leftTop";		 }	// von links oben (Std) | x+ | y- |
					if ((alignY==0) && (alignX==1)) {	myOffsetX2=myOffsetX + picWidth + cssBorderC;   	myOffsetY2=myOffsetY;  			startEdge2="rightTop";		 }	// von rechts oben  | x- | y- |
					if ((alignX==0) && (alignY==1)) { 	myOffsetX2=workSetX; 								myOffsetY2=myOffsetY + picHeight;	startEdge2="leftBottom";	 }	// von links unten	| x+ | y+ |
					if ((alignX==1) && (alignY==1)) { 	myOffsetX2=myOffsetX + picWidth + cssBorderC;		myOffsetY2=myOffsetY + picHeight;	startEdge2="rightBottom"; 	 }	// von rechts unten | x- | y+ |
					
					
					var ll_top 	= e.pageY + myOffsetY;	
					var ll_left	= e.pageX + myOffsetX;
					var ll_topM	= picPageY + myOffsetY2;	
					var ll_leftM= picPageX + myOffsetX2;
					
			

						$("a.ritLightBox_zoom").bind("click", function (e) { return false;  } )
					
					
					// Item-Bindungen
					
						$("#ritLightBox_zoom_box")
							.css("top",(ll_top) + "px")
							.css("left",(ll_left) + "px")
							.bind("mouseenter", function (e) { mouseOnZoom=1; removeZoomImage_cancel(); } )		
							.bind("mouseleave", function (e) { mouseOnZoom=0; removeZoomImage(); } );		
						$(baseObject)
							.bind("mouseenter", function (e) { mouseOnThumb=1; removeZoomImage_cancel();} )
							.bind("mouseleave", function (e) { mouseOnThumb=0; removeZoomImage(); } );		
			
						// Bildaktualisierung bei Cursor-Bewegung (nur bei Maus-Fixierung)
						$("a.ritLightBox_zoom").mousemove(function(e){
							//$("#debugAddon01b").html("top: " + e.pageY + myOffsetY + " | left: " + e.pageX );				
							$("#ritLightBox_zoom_box")
								.css("top",(e.pageY + myOffsetY) + "px")
								.css("left",(e.pageX + myOffsetX) + "px");
						});			
			
					
		
					
					// Einblend-Effekt
						
						$("#ritLightBox_zoom_box").fadeIn(fxtime, function() {
							$("div#waitLoader").remove();			
						});		
					
		
				});
				// READY-Handler ENDE
			} //Focus-IF ENDE
    	},0);
		
	});
	$("a.ritLightBox_zoom").mouseleave(function(e){
		$(this).removeClass("gotIt");
	});
	
		
	
	// Hilfsfunktion für Titelanzeige (Tooltip)
//	function(){
//		if (showTitel==true) {this.title = this.t;	}
//		//alert("out");
//    });

}

 
	// Weitere Hilfsfunktionen
	// ***********************
	function removeZoomImage_off() { //kleine Verzögerung beim Ausblenden
		//ivFlag=window.setTimeout("removeZoomImage_now()", 200);
	}
	function removeZoomImage_cancel() { //Abbruch der Verzögerung
		//window.clearTimeout(ivFlag);
	}
	function removeZoomImage() { // Entfernen wenn freigegeben
		if ((mouseOnZoom==0) && (mouseOnThumb==0)) { 
			removeZoomImage_force(); 
		}		
	}
	function removeZoomImage_force() { // Entfernen wenn freigegeben
		var rmvItem=$("#ritLightBox_zoom_box");
		rmvItem.remove();	
	}


Number.random = function(min,max){
  return Math.floor(Math.random()*(max-min+1)+min);
};

// Skript laden
$(document).ready(function(){
	imagePreview_lbFx_zoom();
});