46 lines
1.3 KiB
JavaScript
46 lines
1.3 KiB
JavaScript
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$(document).ready(function() {
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images={};//image cache
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FileActions.register('image','View',function(filename){
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var location='ajax/download.php?files='+filename+'&dir='+$('#dir').val();
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var overlay=$('<div id="lightbox_overlay"/>');
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$( 'body' ).append(overlay);
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var container=$('<div id="lightbox"/>');
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$( 'body' ).append(container);
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if(!images[location]){
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var img = new Image();
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img.onload = function(){
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images[location]=img;
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showLightbox(container,img);
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}
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img.src = location;
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}else{
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showLightbox(container,images[location]);
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}
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});
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$( 'body' ).click(hideLightbox);
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FileActions.setDefault('image','View');
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});
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function showLightbox(container,img){
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var maxWidth = $( window ).width() - 50;
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var maxHeight = $( window ).height() - 50;
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if( img.width > maxWidth || img.height > maxHeight ) { // One of these is larger than the window
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var ratio = img.width / img.height;
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if( img.height >= maxHeight ) {
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img.height = maxHeight;
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img.width = maxHeight * ratio;
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} else {
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img.width = maxWidth;
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img.height = maxWidth * ratio;
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}
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}
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container.empty();
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container.append(img);
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container.css('top',Math.round( ($( window ).height() - img.height)/2));
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container.css('left',Math.round( ($( window ).width() - img.width)/2));
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}
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function hideLightbox(){
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$('#lightbox_overlay').remove();
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$('#lightbox').remove();
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}
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