90 lines
3.3 KiB
JavaScript
90 lines
3.3 KiB
JavaScript
Albums={
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// album item in this array should look as follow
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// {name: string,
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// numOfCovers: int}
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//
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// previews array should be an array of base64 decoded images
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// to display to user as preview picture when scrolling throught
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// the album cover
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albums:new Array(),
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// add simply adds new album to internal structure
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// however albums names must be unique so other
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// album with the same name wont be insered,
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// and false will be returned
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// true on success
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add: function(album_name, num) {
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if (Albums.albums[album_name] != undefined) return false;
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Albums.albums[album_name] = {name: album_name, numOfCovers: num};
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return true;
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},
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// remove element with given name
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// returns remove element or undefined if no such element was present
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remove: function(name) {
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var i = -1, tmp = 0;
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for (var a in Albums.albums) {
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if (a.name == name) {
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i = tmp;
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break;
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}
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tmp++;
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}
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if (i != -1) {
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return Albums.albums.splice(i,1);
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}
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return undefined;
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},
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// return element which match given name
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// of undefined if such element do not exist
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find: function(name) {
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return Albums.albums[name];
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},
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// displays gallery in linear representation
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// on given element, and apply default styles for gallery
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display: function(element) {
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var displayTemplate = '<div class="gallery_album_box"><div class="dummy"></div><a class="view"><div class="gallery_album_cover"></div></a><h1></h1><div class="gallery_album_decoration"><a><img src="img/share.png" title="Share"></a><a class="rename"><img src="img/rename.png" title="Rename"></a><a class="remove"><img src="img/delete.png" title="Delete"></a></div></div>';
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for (var i in Albums.albums) {
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var a = Albums.albums[i];
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var local=$(displayTemplate);
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local.attr('data-album',a.name);
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$(".gallery_album_decoration a.rename", local).bind('click', {name: a.name},function(event){
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event.preventDefault();
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galleryRename(event.data.name);
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});
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$(".gallery_album_decoration a.remove", local).bind('click', {name: a.name},function(event){
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event.preventDefault();
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galleryRemove(event.data.name);
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});
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$("a.view", local).attr('href','?view='+escape(a.name));
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$('h1',local).text(a.name);
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$(".gallery_album_cover", local).attr('title',a.name);
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$(".gallery_album_cover", local).css('background-repeat', 'no-repeat');
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$(".gallery_album_cover", local).css('background-position', '0');
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$(".gallery_album_cover", local).css('background-image','url("ajax/galleryOp.php?operation=get_covers&albumname='+escape(a.name)+'")');
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$(".gallery_album_cover", local).mousemove(function(e) {
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var albumMetadata = Albums.find(this.title);
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if (albumMetadata == undefined) {
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return;
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}
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var x = Math.floor((e.layerX - this.offsetLeft)/(this.offsetWidth/albumMetadata.numOfCovers));
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x *= this.offsetWidth;
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if (x < 0) x=0;
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$(this).css('background-position', -x+'px 0');
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});
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$(element).append(local);
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}
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},
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rename: function(element, new_name) {
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if (new_name) {
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$(element).attr("data-album", new_name);
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$("a.view", element).attr("href", "?view="+new_name);
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$("h1", element).text(new_name);
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}
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},
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clear: function(element) {
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Albums.albums = new Array();
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element.innerHTML = '';
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}
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}
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