add the readable source for joverlay

diff --git a/js/jquery.joverlay.js b/js/jquery.joverlay.js
new file mode 100644 (file)
index 0000000..e4effec
--- /dev/null
+++ b/js/jquery.joverlay.js
@@ -0,0 +1,271 @@
+/* Copyright (c) 2009 Alvaro A. Lima Jr http://alvarojunior.com/jquery/joverlay.html
+ * Licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)
+ * Version: 0.7.1 (JUN 15, 2009)
+ * Requires: jQuery 1.3+
+ */
+
+(function($) {
+
+       // Global vars
+       var isIE6 = $.browser.msie && $.browser.version == 6.0; // =(
+       var JOVERLAY_TIMER = null;
+       var     JOVERLAY_ELEMENT_PREV = null;
+
+       $.fn.jOverlay = function(options) {
+
+               // Element exist?
+               if ( $('#jOverlay').length ) {$.closeOverlay();}
+
+               // Clear Element Prev
+               JOVERLAY_ELEMENT_PREV = null;
+
+               // Clear Timer
+               if (JOVERLAY_TIMER !== null) {
+                       clearTimeout( JOVERLAY_TIMER );
+               }
+
+               // Set Options
+               var options = $.extend({}, $.fn.jOverlay.options, options);
+
+               // private function
+               function center(id) {
+                       if (options.center) {
+                               $.center(id);
+                       }
+               }
+
+               var element = this.is('*') ? this : '#jOverlayContent';
+               var position = isIE6 ? 'absolute' : 'fixed';
+               var isImage = /([^\/\\]+)\.(png|gif|jpeg|jpg|bmp)$/i.test( options.url );
+
+               var imgLoading = options.imgLoading ? "<img id='jOverlayLoading' src='"+options.imgLoading+"' style='position:"+position+"; z-index:"+(options.zIndex + 9)+";'/>" : '';
+
+               $('body').prepend(imgLoading + "<div id='jOverlay' />"
+                       + "<div id='jOverlayContent' style='position:"+position+"; z-index:"+(options.zIndex + 5)+"; display:none;'/>"
+               );
+
+               // Loading Centered
+               $('#jOverlayLoading').load(function(){
+                       center(this);
+               });
+
+               //IE 6 FIX
+               if ( isIE6 ) {
+                       $('select').hide();
+                       $('#jOverlayContent select').show();
+               }
+
+               // Overlay Style
+               $('#jOverlay').css({
+                       backgroundColor : options.color,
+                       position : position,
+                       top : '0px',
+                       left : '0px',
+                       filter : 'alpha(opacity='+ (options.opacity * 100) +')', // IE =(
+                       opacity : options.opacity, // Good Browser =D
+                       zIndex : options.zIndex,
+                       width : !isIE6 ? '100%' : $(window).width() + 'px',
+                       height : !isIE6 ? '100%' : $(document).height() + 'px'
+               }).show();
+
+               // ELEMENT
+               if ( this.is('*') ) {
+
+                       JOVERLAY_ELEMENT_PREV = this.prev();
+
+                       $('#jOverlayContent').html(
+                               this.show().attr('display', options.autoHide ? 'none' : this.css('display') )
+                       );
+                       
+                       if ( !isImage ) {
+
+                               center('#jOverlayContent');
+
+                               $('#jOverlayContent').show();
+                               
+                               // Execute callback
+                               if ( !options.url && $.isFunction( options.success ) ) {
+                                       options.success( this );
+                               }
+
+                       }
+
+               }
+
+               // IMAGE
+               if ( isImage ) {
+
+                       $('<img/>').load(function(){
+                               var resize = $.resize(this.width, this.height);
+
+                               $(this).css({
+                                       width : resize.width,
+                                       height : resize.height
+                               });
+
+                               $( element ).html(this);
+
+                               center('#jOverlayContent');
+
+                               $('#jOverlayLoading').fadeOut(500);
+                               $('#jOverlayContent').show();
+
+                               // Execute callback
+                               if ( $.isFunction( options.success ) ) {
+                                       options.success( this );
+                               }
+
+                       }).error(function(){
+                               alert('Image ('+options.url+') not found.');
+                               $.closeOverlay();
+                       }).attr({'src' : options.url, 'alt' : options.url});
+
+               }
+
+               // AJAX
+               if ( options.url && !isImage ) {
+
+                       $.ajax({
+                               type: options.method,
+                               data: options.data,
+                               url: options.url,
+                               success: function(responseText) {
+
+                                       $('#jOverlayLoading').fadeOut(500);
+
+                                       $( element ).html(responseText).show();
+
+                                       center('#jOverlayContent');
+
+                                       // Execute callback
+                                       if ($.isFunction( options.success )) {
+                                               options.success(responseText);
+                                       }
+
+                               },
+                               error : function() {
+                                       alert('URL ('+options.url+') not found.');
+                                       $.closeOverlay();
+                               }
+                       });
+
+               }
+
+               // :(
+               if ( isIE6 ) {
+
+                       // Window scroll
+                       $(window).scroll(function(){
+                               center('#jOverlayContent');
+                       });
+
+                       // Window resize
+                       $(window).resize(function(){
+
+                               $('#jOverlay').css({
+                                       width: $(window).width() + 'px',
+                                       height: $(document).height() + 'px'
+                               });
+
+                               center('#jOverlayContent');
+
+                       });
+
+               }
+
+               // Press ESC to close
+               $(document).keydown(function(event){
+                       if (event.keyCode == 27) {
+                               $.closeOverlay();
+                       }
+               });
+
+               // Click to close
+               if ( options.bgClickToClose ) {
+                       $('#jOverlay').click($.closeOverlay);
+               }
+
+               // Timeout (auto-close)
+               // time in millis to wait before auto-close
+               // set to 0 to disable
+               if ( Number(options.timeout) > 0 ) {
+                       jOverlayTimer = setTimeout( $.closeOverlay, Number(options.timeout) );
+               }
+
+               // ADD CSS
+               $('#jOverlayContent').css(options.css || {});
+       };
+
+       // Resizing large images - orginal by Christian Montoya.
+       // Edited by - Cody Lindley (http://www.codylindley.com) (Thickbox 3.1)
+       $.resize = function(imageWidth, imageHeight) {
+               var x = $(window).width() - 150;
+               var y = $(window).height() - 150;
+               if (imageWidth > x) {
+                       imageHeight = imageHeight * (x / imageWidth); 
+                       imageWidth = x; 
+                       if (imageHeight > y) { 
+                               imageWidth = imageWidth * (y / imageHeight); 
+                               imageHeight = y; 
+                       }
+               } else if (imageHeight > y) { 
+                       imageWidth = imageWidth * (y / imageHeight); 
+                       imageHeight = y; 
+                       if (imageWidth > x) { 
+                               imageHeight = imageHeight * (x / imageWidth); 
+                               imageWidth = x;
+                       }
+               }
+               return {width:imageWidth, height:imageHeight};
+       };
+
+       // Centered Element
+       $.center = function(element) {
+               var element = $(element);
+               var elemWidth = element.width();
+
+               element.css({
+                       width : elemWidth + 'px',
+                       marginLeft : '-' + (elemWidth / 2) + 'px',
+                       marginTop : '-' + element.height() / 2 + 'px',
+                       height : 'auto',
+               top : !isIE6 ? '50%' : $(window).scrollTop() + ($(window).height() / 2) + 'px',
+               left : '50%'
+               });
+       };
+
+       // Options default
+       $.fn.jOverlay.options = {
+               method : 'GET',
+               data : '',
+               url : '',
+               color : '#000',
+               opacity : '0.6',
+               zIndex : 9999,
+               center : true,
+               imgLoading : '',
+               bgClickToClose : true,
+               success : null,
+               timeout : 0,
+               autoHide : true,
+               css : {}
+       };
+
+       // Close
+       $.closeOverlay = function() {
+
+               if (isIE6) { $("select").show(); }
+
+               if ( JOVERLAY_ELEMENT_PREV !== null ) {
+                       if ( JOVERLAY_ELEMENT_PREV !== null ) {
+                               var element = $('#jOverlayContent').children();
+                               JOVERLAY_ELEMENT_PREV.after( element.css('display', element.attr('display') ) );
+                               element.removeAttr('display');
+                       }
+               }
+
+               $('#jOverlayLoading, #jOverlayContent, #jOverlay').remove();
+
+       };
+
+})(jQuery);
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