mirror of
https://github.com/WordPress/WordPress.git
synced 2024-11-14 22:56:19 +01:00
b514f391cd
git-svn-id: http://core.svn.wordpress.org/trunk@21820 1a063a9b-81f0-0310-95a4-ce76da25c4cd
421 lines
12 KiB
JavaScript
421 lines
12 KiB
JavaScript
if ( typeof wp === 'undefined' )
|
|
var wp = {};
|
|
|
|
(function($){
|
|
var Attachment, Attachments, Query;
|
|
|
|
/**
|
|
* wp.media( attributes )
|
|
*
|
|
* Handles the default media experience. Automatically creates
|
|
* and opens a media workflow, and returns the result.
|
|
* Does nothing if the controllers do not exist.
|
|
*
|
|
* @param {object} attributes The properties passed to the main media controller.
|
|
* @return {object} A media workflow.
|
|
*/
|
|
media = wp.media = function( attributes ) {
|
|
if ( media.controller.Workflow )
|
|
return new media.controller.Workflow( attributes ).attach().render();
|
|
};
|
|
|
|
_.extend( media, { model: {}, view: {}, controller: {} });
|
|
|
|
/**
|
|
* ========================================================================
|
|
* UTILITIES
|
|
* ========================================================================
|
|
*/
|
|
|
|
_.extend( media, {
|
|
/**
|
|
* media.template( id )
|
|
*
|
|
* Fetches a template by id.
|
|
*
|
|
* @param {string} id A string that corresponds to a DOM element with an id prefixed with "tmpl-".
|
|
* For example, "attachment" maps to "tmpl-attachment".
|
|
* @return {function} A function that lazily-compiles the template requested.
|
|
*/
|
|
template: _.memoize( function( id ) {
|
|
var compiled;
|
|
return function( data ) {
|
|
compiled = compiled || _.template( $( '#tmpl-' + id ).html() );
|
|
return compiled( data );
|
|
};
|
|
}),
|
|
|
|
/**
|
|
* media.post( [action], [data] )
|
|
*
|
|
* Sends a POST request to WordPress.
|
|
*
|
|
* @param {string} action The slug of the action to fire in WordPress.
|
|
* @param {object} data The data to populate $_POST with.
|
|
* @return {$.promise} A jQuery promise that represents the request.
|
|
*/
|
|
post: function( action, data ) {
|
|
return media.ajax({
|
|
data: _.isObject( action ) ? action : _.extend( data || {}, { action: action })
|
|
});
|
|
},
|
|
|
|
/**
|
|
* media.ajax( [action], [options] )
|
|
*
|
|
* Sends a POST request to WordPress.
|
|
*
|
|
* @param {string} action The slug of the action to fire in WordPress.
|
|
* @param {object} options The options passed to jQuery.ajax.
|
|
* @return {$.promise} A jQuery promise that represents the request.
|
|
*/
|
|
ajax: function( action, options ) {
|
|
if ( _.isObject( action ) ) {
|
|
options = action;
|
|
} else {
|
|
options = options || {};
|
|
options.data = _.extend( options.data || {}, { action: action });
|
|
}
|
|
|
|
options = _.defaults( options || {}, {
|
|
type: 'POST',
|
|
url: ajaxurl,
|
|
context: this
|
|
});
|
|
|
|
return $.Deferred( function( deferred ) {
|
|
// Transfer success/error callbacks.
|
|
if ( options.success )
|
|
deferred.done( options.success );
|
|
if ( options.error )
|
|
deferred.fail( options.error );
|
|
|
|
delete options.success;
|
|
delete options.error;
|
|
|
|
// Use with PHP's wp_send_json_success() and wp_send_json_error()
|
|
$.ajax( options ).done( function( response ) {
|
|
if ( _.isObject( response ) && ! _.isUndefined( response.success ) )
|
|
deferred[ response.success ? 'resolveWith' : 'rejectWith' ]( this, [response.data] );
|
|
else
|
|
deferred.rejectWith( this, [response] );
|
|
}).fail( function() {
|
|
deferred.rejectWith( this, arguments );
|
|
});
|
|
}).promise();
|
|
}
|
|
});
|
|
|
|
|
|
/**
|
|
* ========================================================================
|
|
* MODELS
|
|
* ========================================================================
|
|
*/
|
|
|
|
/**
|
|
* wp.media.model.Attachment
|
|
*/
|
|
Attachment = media.model.Attachment = Backbone.Model.extend({
|
|
sync: function( method, model, options ) {
|
|
// Overload the read method so Attachment.fetch() functions correctly.
|
|
if ( 'read' === method ) {
|
|
options = options || {};
|
|
options.context = this;
|
|
options.data = _.extend( options.data || {}, {
|
|
action: 'get-attachment',
|
|
id: this.id
|
|
});
|
|
return media.ajax( options );
|
|
|
|
// Otherwise, fall back to Backbone.sync()
|
|
} else {
|
|
return Backbone.sync.apply( this, arguments );
|
|
}
|
|
},
|
|
|
|
parse: function( resp, xhr ) {
|
|
// Convert date strings into Date objects.
|
|
resp.date = new Date( resp.date );
|
|
resp.modified = new Date( resp.modified );
|
|
return resp;
|
|
}
|
|
}, {
|
|
create: function( attrs ) {
|
|
return Attachments.all.push( attrs );
|
|
},
|
|
|
|
get: _.memoize( function( id, attachment ) {
|
|
return Attachments.all.push( attachment || { id: id } );
|
|
})
|
|
});
|
|
|
|
/**
|
|
* wp.media.model.Attachments
|
|
*/
|
|
Attachments = media.model.Attachments = Backbone.Collection.extend({
|
|
model: Attachment,
|
|
|
|
initialize: function( models, options ) {
|
|
options = options || {};
|
|
|
|
this.filters = options.filters || {};
|
|
|
|
if ( options.observe )
|
|
this.observe( options.observe );
|
|
|
|
if ( options.mirror )
|
|
this.mirror( options.mirror );
|
|
},
|
|
|
|
validator: function( attachment ) {
|
|
return _.all( this.filters, function( filter ) {
|
|
return !! filter.call( this, attachment );
|
|
}, this );
|
|
},
|
|
|
|
validate: function( attachment, options ) {
|
|
return this[ this.validator( attachment ) ? 'add' : 'remove' ]( attachment, options );
|
|
},
|
|
|
|
observe: function( attachments ) {
|
|
attachments.on( 'add change', this.validate, this );
|
|
},
|
|
|
|
unobserve: function( attachments ) {
|
|
attachments.off( 'add change', this.validate, this );
|
|
},
|
|
|
|
mirror: function( attachments ) {
|
|
if ( this.mirroring && this.mirroring === attachments )
|
|
return;
|
|
|
|
this.unmirror();
|
|
this.mirroring = attachments;
|
|
this.reset( attachments.models );
|
|
attachments.on( 'add', this._mirrorAdd, this );
|
|
attachments.on( 'remove', this._mirrorRemove, this );
|
|
attachments.on( 'reset', this._mirrorReset, this );
|
|
},
|
|
|
|
unmirror: function() {
|
|
if ( ! this.mirroring )
|
|
return;
|
|
|
|
this.mirroring.off( 'add', this._mirrorAdd, this );
|
|
this.mirroring.off( 'remove', this._mirrorRemove, this );
|
|
this.mirroring.off( 'reset', this._mirrorReset, this );
|
|
delete this.mirroring;
|
|
},
|
|
|
|
_mirrorAdd: function( attachment, attachments, options ) {
|
|
this.add( attachment, { at: options.index });
|
|
},
|
|
|
|
_mirrorRemove: function( attachment ) {
|
|
this.remove( attachment );
|
|
},
|
|
|
|
_mirrorReset: function( attachments ) {
|
|
this.reset( attachments.models );
|
|
},
|
|
|
|
more: function( options ) {
|
|
if ( this.mirroring && this.mirroring.more )
|
|
return this.mirroring.more( options );
|
|
},
|
|
|
|
parse: function( resp, xhr ) {
|
|
return _.map( resp, function( attrs ) {
|
|
var attachment = Attachment.get( attrs.id );
|
|
return attachment.set( attachment.parse( attrs, xhr ) );
|
|
});
|
|
}
|
|
});
|
|
|
|
Attachments.all = new Attachments();
|
|
|
|
/**
|
|
* wp.media.query
|
|
*/
|
|
media.query = (function(){
|
|
var queries = [];
|
|
|
|
return function( args, options ) {
|
|
args = _.defaults( args || {}, Query.defaultArgs );
|
|
|
|
var query = _.find( queries, function( query ) {
|
|
return _.isEqual( query.args, args );
|
|
});
|
|
|
|
if ( ! query ) {
|
|
query = new Query( [], _.extend( options || {}, { args: args } ) );
|
|
queries.push( query );
|
|
}
|
|
|
|
return query;
|
|
};
|
|
}());
|
|
|
|
/**
|
|
* wp.media.model.Query
|
|
*
|
|
* A set of attachments that corresponds to a set of consecutively paged
|
|
* queries on the server.
|
|
*
|
|
* Note: Do NOT change this.args after the query has been initialized.
|
|
* Things will break.
|
|
*/
|
|
Query = media.model.Query = Attachments.extend({
|
|
initialize: function( models, options ) {
|
|
var orderby,
|
|
defaultArgs = Query.defaultArgs;
|
|
|
|
options = options || {};
|
|
Attachments.prototype.initialize.apply( this, arguments );
|
|
|
|
// Generate this.args. Don't mess with them.
|
|
this.args = _.defaults( options.args || {}, defaultArgs );
|
|
|
|
// Normalize the order.
|
|
this.args.order = this.args.order.toUpperCase();
|
|
if ( 'DESC' !== this.args.order && 'ASC' !== this.args.order )
|
|
this.args.order = defaultArgs.order.toUpperCase();
|
|
|
|
// Set allowed orderby values.
|
|
// These map directly to attachment keys in most scenarios.
|
|
// Exceptions are specified in orderby.keymap.
|
|
orderby = {
|
|
allowed: [ 'name', 'author', 'date', 'title', 'modified', 'parent', 'ID' ],
|
|
keymap: {
|
|
'ID': 'id',
|
|
'parent': 'uploadedTo'
|
|
}
|
|
};
|
|
|
|
if ( ! _.contains( orderby.allowed, this.args.orderby ) )
|
|
this.args.orderby = defaultArgs.orderby;
|
|
this.orderkey = orderby.keymap[ this.args.orderby ] || this.args.orderby;
|
|
|
|
this.hasMore = true;
|
|
this.created = new Date();
|
|
|
|
this.filters.order = function( attachment ) {
|
|
// We want any items that can be placed before the last
|
|
// item in the set. If we add any items after the last
|
|
// item, then we can't guarantee the set is complete.
|
|
if ( this.length ) {
|
|
return 1 !== this.comparator( attachment, this.last() );
|
|
|
|
// Handle the case where there are no items yet and
|
|
// we're sorting for recent items. In that case, we want
|
|
// changes that occurred after we created the query.
|
|
} else if ( 'DESC' === this.args.order && ( 'date' === this.orderkey || 'modified' === this.orderkey ) ) {
|
|
return attachment.get( this.orderkey ) >= this.created;
|
|
}
|
|
|
|
// Otherwise, we don't want any items yet.
|
|
return false;
|
|
};
|
|
|
|
if ( this.args.s ) {
|
|
// Note that this client-side searching is *not* equivalent
|
|
// to our server-side searching.
|
|
this.filters.search = function( attachment ) {
|
|
return _.any(['title','filename','description','caption','name'], function( key ) {
|
|
var value = attachment.get( key );
|
|
return value && -1 !== value.search( this.args.s );
|
|
}, this );
|
|
};
|
|
}
|
|
|
|
this.observe( Attachments.all );
|
|
},
|
|
|
|
more: function( options ) {
|
|
var query = this;
|
|
|
|
if ( ! this.hasMore )
|
|
return;
|
|
|
|
options = options || {};
|
|
options.add = true;
|
|
|
|
return this.fetch( options ).done( function( resp ) {
|
|
if ( _.isEmpty( resp ) || resp.length < this.args.posts_per_page )
|
|
query.hasMore = false;
|
|
});
|
|
},
|
|
|
|
sync: function( method, model, options ) {
|
|
var fallback;
|
|
|
|
// Overload the read method so Attachment.fetch() functions correctly.
|
|
if ( 'read' === method ) {
|
|
options = options || {};
|
|
options.context = this;
|
|
options.data = _.extend( options.data || {}, {
|
|
action: 'query-attachments'
|
|
});
|
|
|
|
// Clone the args so manipulation is non-destructive.
|
|
args = _.clone( this.args );
|
|
|
|
// Determine which page to query.
|
|
args.paged = Math.floor( this.length / args.posts_per_page ) + 1;
|
|
|
|
options.data.query = args;
|
|
return media.ajax( options );
|
|
|
|
// Otherwise, fall back to Backbone.sync()
|
|
} else {
|
|
fallback = Attachments.prototype.sync ? Attachments.prototype : Backbone;
|
|
return fallback.sync.apply( this, arguments );
|
|
}
|
|
},
|
|
|
|
comparator: (function(){
|
|
/**
|
|
* A basic comparator.
|
|
*
|
|
* @param {mixed} a The primary parameter to compare.
|
|
* @param {mixed} b The primary parameter to compare.
|
|
* @param {string} ac The fallback parameter to compare, a's cid.
|
|
* @param {string} bc The fallback parameter to compare, b's cid.
|
|
* @return {number} -1: a should come before b.
|
|
* 0: a and b are of the same rank.
|
|
* 1: b should come before a.
|
|
*/
|
|
var compare = function( a, b, ac, bc ) {
|
|
if ( _.isEqual( a, b ) )
|
|
return ac === bc ? 0 : (ac > bc ? -1 : 1);
|
|
else
|
|
return a > b ? -1 : 1;
|
|
};
|
|
|
|
return function( a, b ) {
|
|
var key = this.orderkey,
|
|
order = this.args.order,
|
|
ac = a.cid,
|
|
bc = b.cid;
|
|
|
|
a = a.get( key );
|
|
b = b.get( key );
|
|
|
|
if ( 'date' === key || 'modified' === key ) {
|
|
a = a || new Date();
|
|
b = b || new Date();
|
|
}
|
|
|
|
return ( 'DESC' === order ) ? compare( a, b, ac, bc ) : compare( b, a, bc, ac );
|
|
};
|
|
}())
|
|
}, {
|
|
defaultArgs: {
|
|
posts_per_page: 40,
|
|
orderby: 'date',
|
|
order: 'DESC'
|
|
}
|
|
});
|
|
|
|
}(jQuery)); |