Web.Admin/2015/js/galleria/plugins/flickr/galleria.flickr.js
/**
* Galleria Flickr Plugin 2012-09-04
* http://galleria.io
*
* Licensed under the MIT license
* https://raw.github.com/aino/galleria/master/LICENSE
*
*/
(function($) {
/*global jQuery, Galleria, window */
Galleria.requires(1.25, 'The Flickr Plugin requires Galleria version 1.2.5 or later.');
// The script path
var PATH = Galleria.utils.getScriptPath();
/**
@class
@constructor
@example var flickr = new Galleria.Flickr();
@author http://galleria.io
@requires jQuery
@requires Galleria
@param {String} [api_key] Flickr API key to be used, defaults to the Galleria key
@returns Instance
*/
Galleria.Flickr = function( api_key ) {
this.api_key = api_key || '2a2ce06c15780ebeb0b706650fc890b2';
this.options = {
max: 30, // photos to return
imageSize: 'medium', // photo size ( thumb,small,medium,big,original )
thumbSize: 'thumb', // thumbnail size ( thumb,small,medium,big,original )
sort: 'interestingness-desc', // sort option ( date-posted-asc, date-posted-desc, date-taken-asc, date-taken-desc, interestingness-desc, interestingness-asc, relevance )
description: false, // set this to true to get description as caption
complete: function(){}, // callback to be called inside the Galleria.prototype.load
backlink: false // set this to true if you want to pass a link back to the original image
};
};
Galleria.Flickr.prototype = {
// bring back the constructor reference
constructor: Galleria.Flickr,
/**
Search for anything at Flickr
@param {String} phrase The string to search for
@param {Function} [callback] The callback to be called when the data is ready
@returns Instance
*/
search: function( phrase, callback ) {
return this._find({
text: phrase
}, callback );
},
/**
Search for anything at Flickr by tag
@param {String} tag The tag(s) to search for
@param {Function} [callback] The callback to be called when the data is ready
@returns Instance
*/
tags: function( tag, callback ) {
return this._find({
tags: tag
}, callback);
},
/**
Get a user's public photos
@param {String} username The username as shown in the URL to fetch
@param {Function} [callback] The callback to be called when the data is ready
@returns Instance
*/
user: function( username, callback ) {
return this._call({
method: 'flickr.urls.lookupUser',
url: 'flickr.com/photos/' + username
}, function( data ) {
this._find({
user_id: data.user.id,
method: 'flickr.people.getPublicPhotos'
}, callback);
});
},
/**
Get photos from a photoset by ID
@param {String|Number} photoset_id The photoset id to fetch
@param {Function} [callback] The callback to be called when the data is ready
@returns Instance
*/
set: function( photoset_id, callback ) {
return this._find({
photoset_id: photoset_id,
method: 'flickr.photosets.getPhotos'
}, callback);
},
/**
Get photos from a gallery by ID
@param {String|Number} gallery_id The gallery id to fetch
@param {Function} [callback] The callback to be called when the data is ready
@returns Instance
*/
gallery: function( gallery_id, callback ) {
return this._find({
gallery_id: gallery_id,
method: 'flickr.galleries.getPhotos'
}, callback);
},
/**
Search groups and fetch photos from the first group found
Useful if you know the exact name of a group and want to show the groups photos.
@param {String} group The group name to search for
@param {Function} [callback] The callback to be called when the data is ready
@returns Instance
*/
groupsearch: function( group, callback ) {
return this._call({
text: group,
method: 'flickr.groups.search'
}, function( data ) {
this.group( data.groups.group[0].nsid, callback );
});
},
/**
Get photos from a group by ID
@param {String} group_id The group id to fetch
@param {Function} [callback] The callback to be called when the data is ready
@returns Instance
*/
group: function ( group_id, callback ) {
return this._find({
group_id: group_id,
method: 'flickr.groups.pools.getPhotos'
}, callback );
},
/**
Set flickr options
@param {Object} options The options object to blend
@returns Instance
*/
setOptions: function( options ) {
$.extend(this.options, options);
return this;
},
// call Flickr and raise errors
_call: function( params, callback ) {
var url = 'https://api.flickr.com/services/rest/?';
var scope = this;
params = $.extend({
format : 'json',
jsoncallback : '?',
api_key: this.api_key
}, params );
$.each(params, function( key, value ) {
url += '&' + key + '=' + value;
});
$.getJSON(url, function(data) {
if ( data.stat === 'ok' ) {
callback.call(scope, data);
} else {
Galleria.raise( data.code.toString() + ' ' + data.stat + ': ' + data.message, true );
}
});
return scope;
},
// "hidden" way of getting a big image (~1024) from flickr
_getBig: function( photo ) {
if ( photo.url_l ) {
return photo.url_l;
} else if ( parseInt( photo.width_o, 10 ) > 1280 ) {
return 'https://farm'+photo.farm + '.static.flickr.com/'+photo.server +
'/' + photo.id + '_' + photo.secret + '_b.jpg';
}
return photo.url_o || photo.url_z || photo.url_m;
},
// get image size by option name
_getSize: function( photo, size ) {
var img;
switch(size) {
case 'thumb':
img = photo.url_t;
break;
case 'small':
img = photo.url_s;
break;
case 'big':
img = this._getBig( photo );
break;
case 'original':
img = photo.url_o ? photo.url_o : this._getBig( photo );
break;
default:
img = photo.url_z || photo.url_m;
break;
}
return img;
},
// ask flickr for photos, parse the result and call the callback with the galleria-ready data array
_find: function( params, callback ) {
params = $.extend({
method: 'flickr.photos.search',
extras: 'url_t,url_m,url_o,url_s,url_l,url_z,description',
sort: this.options.sort,
per_page: Math.min( this.options.max, 500 )
}, params );
return this._call( params, function(data) {
var gallery = [],
photos = data.photos ? data.photos.photo : data.photoset.photo,
len = photos.length,
photo,
i;
for ( i=0; i<len; i++ ) {
photo = photos[i];
gallery.push({
thumb: this._getSize( photo, this.options.thumbSize ),
image: this._getSize( photo, this.options.imageSize ),
big: this._getBig( photo ),
title: photos[i].title,
description: this.options.description && photos[i].description ? photos[i].description._content : '',
link: this.options.backlink ? 'https://flickr.com/photos/' + photo.owner + '/' + photo.id : ''
});
}
callback.call( this, gallery );
});
}
};
/**
Galleria modifications
We fake-extend the load prototype to make Flickr integration as simple as possible
*/
// save the old prototype in a local variable
var load = Galleria.prototype.load;
// fake-extend the load prototype using the flickr data
Galleria.prototype.load = function() {
// pass if no data is provided or flickr option not found
if ( arguments.length || typeof this._options.flickr !== 'string' ) {
load.apply( this, Galleria.utils.array( arguments ) );
return;
}
// define some local vars
var self = this,
args = Galleria.utils.array( arguments ),
flickr = this._options.flickr.split(':'),
f,
opts = $.extend({}, self._options.flickrOptions),
loader = typeof opts.loader !== 'undefined' ?
opts.loader : $('<div>').css({
width: 48,
height: 48,
opacity: 0.7,
background:'#000 url('+PATH+'loader.gif) no-repeat 50% 50%'
});
if ( flickr.length ) {
// validate the method
if ( typeof Galleria.Flickr.prototype[ flickr[0] ] !== 'function' ) {
Galleria.raise( flickr[0] + ' method not found in Flickr plugin' );
return load.apply( this, args );
}
// validate the argument
if ( !flickr[1] ) {
Galleria.raise( 'No flickr argument found' );
return load.apply( this, args );
}
// apply the preloader
window.setTimeout(function() {
self.$( 'target' ).append( loader );
},100);
// create the instance
f = new Galleria.Flickr();
// apply Flickr options
if ( typeof self._options.flickrOptions === 'object' ) {
f.setOptions( self._options.flickrOptions );
}
// call the flickr method and trigger the DATA event
f[ flickr[0] ]( flickr[1], function( data ) {
self._data = data;
loader.remove();
self.trigger( Galleria.DATA );
f.options.complete.call(f, data);
});
} else {
// if flickr array not found, pass
load.apply( this, args );
}
};
}( jQuery ) );