/** photo.js
*
* @author Kuwabara Miyuki (ba)
* @version 1.0.0
*/
var jp;
if (!jp) jp = {};
if (!jp.raindrop) jp.raindrop = {};
if (!jp.raindrop.frog) jp.raindrop.frog = {};
if (!jp.raindrop.frog.photo) (function () {
var _albums = [];
var _getElementsByTagName = function (node, namespaceURI, tagName, prefix) {
// var elements = node.getElementsByTagNameNS (namespaceURI, tagName);
// if (!elements.length)
// elements = node.getElementsByTagName ([prefix, tagName].join (':'));
var elements = node.getElementsByTagName ([prefix, tagName].join (':'));
if (!elements.length)
elements = node.getElementsByTagName (tagName);
return elements;
};
var _getContainedAlbum = function (id) {
for (var i = 0; i < _albums.length; i ++)
if (_albums [i].isExists (id))
return _albums [i];
return null;
};
var _load = function (targetDocument) {
_loadAlbums (targetDocument);
_loadThumbnails (targetDocument);
};
var _loadAlbums = function (targetDocument) {
_albums = [];
var albumElements = _getElementsByTagName (targetDocument, 'http://frog.raindrop.jp/ns', 'photo-album', 'frog');
for (var i = 0; i < albumElements.length; i ++) {
var itemElements = _getElementsByTagName (albumElements [i], 'http://frog.raindrop.jp/ns', 'photo-item', 'frog');
if (itemElements.length) {
var album = new jp.raindrop.frog.photo.__album ();
for (var j = 0; j < itemElements.length; j ++) {
var id = itemElements [j].getAttribute ('id');
var src = itemElements [j].getAttribute ('src');
var title = itemElements [j].getAttribute ('title');
album.add (id, src, title);
}
_albums.push (album);
}
}
};
var _loadThumbnails = function (targetDocument) {
var elements = _getElementsByTagName (targetDocument, 'http://frog.raindrop.jp/ns', 'photo-thumbnail', 'frog');
for (var i = 0; i < elements.length; i ++) {
var caption = (elements [i].getAttribute ('caption').match (/^yes$/i))? true: false;
var link = (elements [i].getAttribute ('link').match (/^yes$/i))? true: false;
var content = elements [i].getAttribute ('content');
var album = _getContainedAlbum (content);
if (album) {
var item = album.get (content);
var thumbnail = item.getThumbnail (targetDocument, caption, link);
elements [i].parentNode.insertBefore (thumbnail, elements [i]);
}
}
for (var i = 0; i < elements.length; i ++) {
elements [i].parentNode.removeChild (elements [i]);
}
};
jp.raindrop.frog.photo = {
"__album": function () {
this._catalog = {};
},
"__item": function (id, src, title) {
this.id = id;
this.src = src;
this.title = title;
},
"__iterator": function (catalog, first, key) {
var _keys = [];
for (var k in catalog)
_keys.push (k);
var _index = first? 0: (_keys.length - 1);
if (arguments.length > 2) {
var index = 0;
var length = _keys.length;
_keys.push (key);
while (_keys [index] != key)
index ++;
_keys.length = length;
if (index < length)
_index = index;
}
var _move = function (i) {
if ((i < 0) || (i >= _keys.length))
return null;
_index = i;
return catalog[_keys[i]];
};
return {
item: function () {
return _move (_index);
},
next: function () {
return _move (_index + 1);
},
previous: function () {
return _move (_index - 1);
}
};
},
'__albumWindow': function (iterator) {
this._current = iterator;
var _this = this;
var newWindow = window.open('', 'album', 'width=300,height=300,toolbar=no,directories=no,menubar=no,status=no,left=0,top=0');
var newDocument = newWindow.document;
newDocument.body.setAttribute ('style', [
'position: relative',
'background: black',
'color: #ccc',
'margin: 0',
'padding: 0',
'text-align: center',
''
].join (';'));
var baseLocation = newDocument.createElement ('base');
baseLocation.setAttribute ('href', newWindow.opener.location.href);
var head = newDocument.getElementsByTagName ('head');
if (head.length) {
head [0].insertBefore (baseLocation, head [0].firstChild);
}
else {
head = newDocument.createElement ('head');
head.appendChild (baseLocation);
newDocument.body.parentNode.insertBefore (head, newDocument.body);
}
var container = newDocument.createElement ('div');
container.setAttribute ('id', 'photo-container');
container.setAttribute ('style', [
'margin: 0',
'padding: 0',
''
].join (';'));
newDocument.body.appendChild (container);
var caption = newDocument.createElement ('div');
caption.setAttribute ('id', 'photo-caption');
caption.setAttribute ('style', [
'position: absolute',
'visibility: hidden',
'padding: 5px',
'left: 0',
'top: 0',
'width: 100%',
'text-align: center',
'font: bold 25px/1.1 sans-serif',
'color: white',
''
].join (';'));
newDocument.body.appendChild (caption);
var navigation = newDocument.createElement ('div');
navigation.setAttribute ('id', 'album-navigation');
navigation.setAttribute ('style', [
'position: absolute',
'visibility: hidden',
'left: 0',
'top: 0',
'margin: 0',
'padding: 0',
'width: 100%',
'vertical-align: middle',
'font: bold 40px/1.1 sans-serif',
'color: white',
''
].join (';'));
var previous = newDocument.createElement ('div');
previous.setAttribute ('id', 'album-navigation-previous');
previous.setAttribute ('style', [
'position: absolute',
'left: 0',
'top: 0',
'margin: 0',
'padding: 5px',
'cursor: pointer',
''
].join (';'));
previous.onclick = function (event) {
_this.movePrevious ();
};
previous.innerHTML = '<';
navigation.appendChild (previous);
var next = newDocument.createElement ('div');
next.setAttribute ('id', 'album-navigation-next');
next.setAttribute ('style', [
'position: absolute',
'right: 0',
'top: 0',
'margin: 0',
'padding: 5px',
'cursor: pointer',
''
].join (';'));
next.onclick = function (event) {
_this.moveNext ();
};
next.innerHTML = '>'
navigation.appendChild (next);
newDocument.body.appendChild (navigation);
newDocument.body.onmouseover = function (event) {
caption.style.visibility = 'visible';
navigation.style.visibility = 'visible';
};
newDocument.body.onmouseout = function (event) {
caption.style.visibility = 'hidden';
navigation.style.visibility = 'hidden';
};
this._update = function (item) {
var image = item.getImageElement (newDocument);
image.onload = function (event) {
newWindow.resizeTo (image.width, image.height + 20);
navigation.style.top = (image.height - 50) / 2;
};
if (container.firstChild)
container.replaceChild (image, container.firstChild);
else
container.appendChild (image);
caption.innerHTML = item.title;
newDocument.title = item.title;
};
this._update (iterator.item ());
},
load: function (targetDocument) {
return _load (targetDocument);
}
};
jp.raindrop.frog.photo.__album.prototype = {
add: function (id, src, title) {
return this.append (new jp.raindrop.frog.photo.__item (id, src, title));
},
append: function (item) {
item._setAlbum (this);
this._catalog [item.id] = item;
return item;
},
getCount: function () {
return this._catalog.length;
},
get: function (id) {
return this._catalog [id];
},
isExists: function (id) {
return (id in this._catalog);
},
begin: function () {
return new jp.raindrop.frog.photo.__iterator (this._catalog, true);
},
end: function () {
return new jp.raindrop.frog.photo.__iterator (this._catalog, false);
},
iterator: function (id) {
return new jp.raindrop.frog.photo.__iterator (this._catalog, false, id);
}
};
jp.raindrop.frog.photo.__item.prototype = {
getAlbum: function () {
return this._album;
},
getImageElement: function (targetDocument) {
var image = targetDocument.createElement ('img');
image.setAttribute ('src', this.src);
image.setAttribute ('alt', this.title);
image.setAttribute ('title', this.title);
return image;
},
getThumbnailURI: function () {
var m = this.src.match (/^(.+)\.([^\.]+)$/);
if (m)
return [m [1], '-thumb.', m [2].toLowerCase ()].join ('');
else
return [this.src, '-thumb'].join ('');
},
getThumbnail: function (targetDocument, captionFlag, linkFlag) {
var container = targetDocument.createElement ('div');
container.setAttribute ('class', 'album-thumbnail');
container.setAttribute ('style', 'display: inline-block; margin: 2px; vertical-align: top;'); // ★
var thumbnail = targetDocument.createElement ('img');
thumbnail.setAttribute ('title', this.title);
thumbnail.setAttribute ('alt', this.title);
thumbnail.setAttribute ('src', this.getThumbnailURI ());
if (linkFlag) {
var ancher = targetDocument.createElement ('a');
var current = this._album.iterator (this.id);
ancher.setAttribute ('href', this.src);
ancher.setAttribute ('title', this.title);
ancher.onclick = function (event) {
new jp.raindrop.frog.photo.__albumWindow (current);
return false;
};
ancher.appendChild (thumbnail);
container.appendChild (ancher);
}
if (captionFlag) {
var caption = targetDocument.createElement ('div');
caption.setAttribute ('class', 'album-thumbnail-caption');
caption.setAttribute ('style', 'margin: 0 0 0.5em 0;'); // ★
thumbnail.onload = function (event) {
caption.setAttribute ('style', 'margin: 0 0 0.5em 0; width: ' + thumbnail.width + 'px;')
};
caption.appendChild (targetDocument.createTextNode (this.title));
container.appendChild (caption);
}
return container;
},
'_setAlbum': function (album) {
this._album = album;
}
};
jp.raindrop.frog.photo.__albumWindow.prototype = {
movePrevious: function () {
var item = this._current.previous ();
if (item)
this._update (item);
},
moveNext: function () {
var item = this._current.next ();
if (item)
this._update (item);
}
};
} ());
