59 lines
1.6 KiB
JavaScript
59 lines
1.6 KiB
JavaScript
|
|
var lightBoxShown=false;
|
|
$(document).ready(function() {
|
|
if(typeof FileActions!=='undefined'){
|
|
images={};//image cache
|
|
var overlay=$('<div id="lightbox_overlay"/>');
|
|
$( 'body' ).append(overlay);
|
|
var container=$('<div id="lightbox"/>');
|
|
$( 'body' ).append(container);
|
|
FileActions.register('image','View',function(filename){
|
|
var location='ajax/download.php?files='+filename+'&dir='+$('#dir').val();
|
|
overlay.show();
|
|
if(!images[location]){
|
|
var img = new Image();
|
|
img.onload = function(){
|
|
images[location]=img;
|
|
showLightbox(container,img);
|
|
}
|
|
img.src = location;
|
|
}else{
|
|
showLightbox(container,images[location]);
|
|
}
|
|
});
|
|
$( 'body' ).click(hideLightbox);
|
|
FileActions.setDefault('image','View');
|
|
}
|
|
});
|
|
|
|
function showLightbox(container,img){
|
|
var maxWidth = $( window ).width() - 50;
|
|
var maxHeight = $( window ).height() - 50;
|
|
if( img.width > maxWidth || img.height > maxHeight ) { // One of these is larger than the window
|
|
var ratio = img.width / img.height;
|
|
if( img.height >= maxHeight ) {
|
|
img.height = maxHeight;
|
|
img.width = maxHeight * ratio;
|
|
} else {
|
|
img.width = maxWidth;
|
|
img.height = maxWidth / ratio;
|
|
}
|
|
}
|
|
container.empty();
|
|
container.append(img);
|
|
container.css('top',Math.round( ($( window ).height() - img.height)/2));
|
|
container.css('left',Math.round( ($( window ).width() - img.width)/2));
|
|
$('#lightbox').show();
|
|
setTimeout(function(){
|
|
lightBoxShown=true;
|
|
},100);
|
|
}
|
|
|
|
function hideLightbox(){
|
|
if(lightBoxShown){
|
|
$('#lightbox_overlay').hide();
|
|
$('#lightbox').hide();
|
|
lightBoxShown=false;
|
|
}
|
|
}
|