95 lines
3.2 KiB
JavaScript
95 lines
3.2 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, bgPath) {
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for (var a in Albums.albums) {
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if (a.name == album_name) {
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return false;
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}
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}
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Albums.albums.push({name: album_name, numOfCovers: num, backgroundPath: bgPath});
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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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var i = -1, tmp = 0;
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for (var k in Albums.albums) {
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var a = Albums.albums[k];
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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[i];
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}
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return undefined;
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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 id="gallery_album_box" title="*NAME*"><div id="gallery_control_overlay"><a href="#" onclick="galleryRename(\'*NAME*\');return false;">rename</a> | <a href="#" onclick="galleryRemove(\'*NAME*\');">remove</a></div><a href="?view=*NAME*"><div id="gallery_album_cover" title="*NAME*"></div></a><h1>*NAME*</h1></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 = $(displayTemplate.replace(/\*NAME\*/g, a.name));
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$("#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/getCovers.php?album_name='+a.name+'")');
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local.mouseover(function(e) {
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$("#gallery_control_overlay", this).css('visibility','visible');
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});
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local.mouseout(function(e) {
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$("#gallery_control_overlay", this).css('visibility','hidden');
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});
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$("#gallery_album_cover", local).mousemove(function(e) {
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var albumMetadata = Albums.find(this.title);
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if (albumMetadata == undefined) {
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return;
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}
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var x = Math.min(Math.floor((e.layerX - this.offsetLeft)/(this.offsetWidth/albumMetadata.numOfCovers)), albumMetadata.numOfCovers-1);
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x *= this.offsetWidth-1;
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$(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("title", new_name);
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$("a", element).attr("href", "?view="+new_name);
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$("h1", element).text(new_name);
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}
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}
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}
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