nextcloud/apps/gallery/js/albums.js

102 lines
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2011-10-01 13:26:47 +04:00
Albums={
// album item in this array should look as follow
// {name: string,
// numOfCovers: int}
//
// previews array should be an array of base64 decoded images
// to display to user as preview picture when scrolling throught
// the album cover
albums:new Array(),
photos:new Array(),
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shared: false,
recursive: false,
token: '',
// add simply adds new album to internal structure
// however albums names must be unique so other
// album with the same name wont be insered,
// and false will be returned
// true on success
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add: function(album_name, num, path) {
if (Albums.albums[album_name] != undefined) return false;
Albums.albums[album_name] = {name: album_name, numOfCovers: num, path:path};
return true;
},
// remove element with given name
// returns remove element or undefined if no such element was present
remove: function(name) {
var i = -1, tmp = 0;
for (var a in Albums.albums) {
if (a.name == name) {
i = tmp;
break;
}
tmp++;
}
if (i != -1) {
return Albums.albums.splice(i,1);
}
return undefined;
},
// return element which match given name
// of undefined if such element do not exist
find: function(name) {
return Albums.albums[name];
},
// displays gallery in linear representation
// on given element, and apply default styles for gallery
display: function(element) {
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var displayTemplate = '<div class="gallery_box album"><div class="dummy"></div><a class="view"><div class="gallery_album_cover"></div></a><h1></h1></div>';
for (var i in Albums.albums) {
var a = Albums.albums[i];
var local=$(displayTemplate);
local.attr('title', a.name);
local.attr('data-path', a.path);
local.attr('data-album',a.name);
$(".gallery_album_decoration a.rename", local).bind('click', {name: a.name},function(name,event){
event.preventDefault();
event.stopPropagation();
galleryRename(name);
}.bind(null,a.name));
$(".gallery_album_decoration a.remove", local).bind('click', {name: a.name},function(name,event){
event.preventDefault();
event.stopPropagation();
galleryRemove(name);
}.bind(null,a.name));
$('h1',local).text(decodeURIComponent(escape(a.name)));
$(".gallery_album_cover", local).attr('title',decodeURIComponent(escape(a.name)));
$(".gallery_album_cover", local).css('background-repeat', 'no-repeat');
$(".gallery_album_cover", local).css('background-position', '0');
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$(".gallery_album_cover", local).css('background-image','url("'+OC.filePath('gallery','ajax','galleryOp.php')+'&operation=get_covers&albumname='+escape(a.name)+'")');
$(".gallery_album_cover", local).mousemove(function(event) {
var albumMetadata = Albums.find(this.title);
if (albumMetadata == undefined) {
return;
}
var x = Math.floor(event.offsetX/(this.offsetWidth/albumMetadata.numOfCovers));
x *= this.offsetWidth;
if (x < 0 || isNaN(x)) x=0;
$(this).css('background-position', -x+'px 0');
});
element.append(local);
}
var photoDisplayTemplate = '<div class="gallery_box"><div class="dummy"></div><div><a rel="images" href="'+OC.linkTo('files','download.php')+'?file=URLPATH"><img src="'+OC.filePath('gallery','ajax','thumbnail.php')+'?img=IMGPATH"></a></div></div>';
for (var i in Albums.photos) {
element.append(photoDisplayTemplate.replace("IMGPATH", escape(Albums.photos[i])).replace("URLPATH", escape(Albums.photos[i])));
}
$("a[rel=images]").fancybox({
'titlePosition': 'inside'
});
},
rename: function(element, new_name) {
if (new_name) {
$(element).attr("data-album", new_name);
$("a.view", element).attr("href", "?view="+new_name);
$("h1", element).text(new_name);
}
},
clear: function(element) {
Albums.albums = new Array();
element.innerHTML = '';
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}
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}