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Media JS: Add JIT composite library creation/destruction to states to allow for dynamically excluded Attachment models. see #21390.

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git-svn-id: http://core.svn.wordpress.org/trunk@22477 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Daryl Koopersmith 2012-11-09 01:23:20 +00:00
parent 1b0a4561a4
commit 103694aa4f
2 changed files with 94 additions and 43 deletions
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17
wp-includes/js/media-models.js
View File

@ -741,16 +741,29 @@ window.wp = window.wp || {};
observe: function( attachments, options ) {
var silent = options && options.silent;
this.observers = this.observers || [];
this.observers.push( attachments );
attachments.on( 'add remove', silent ? this._evaluateSilentHandler : this._evaluateHandler, this );
attachments.on( 'reset', silent ? this._evaluateAllSilentHandler : this._evaluateAllHandler, this );
this.evaluateAll( attachments, options );
return this;
},
unobserve: function( attachments ) {
attachments.off( 'add remove', this._evaluateHandler, this );
attachments.off( 'reset', this._evaluateAllHandler, this );
if ( attachments ) {
attachments.off( null, null, this );
this.observers = _.without( this.observers, attachments );
} else {
_.each( this.observers, function( attachments ) {
attachments.off( null, null, this );
}, this );
delete this.observers;
}
return this;
},
_evaluateHandler: function( attachment, attachments, options ) {

120
wp-includes/js/media-views.js
View File

@ -291,6 +291,11 @@
activate: function() {
var selection = this.get('selection');
this._excludeStateLibrary();
this.buildComposite();
this.on( 'change:library change:exclude', this.buildComposite, this );
this.on( 'change:excludeState', this._excludeState, this );
// If we're in a workflow that supports multiple attachments,
// automatically select any uploading attachments.
if ( this.get('multiple') )
@ -306,6 +311,10 @@
},
deactivate: function() {
this.off( 'change:library change:exclude', this.buildComposite, this );
this.off( 'change:excludeState', this._excludeState, this );
this.destroyComposite();
wp.Uploader.queue.off( 'add', this.selectUpload, this );
// Unbind all event handlers that use this state as the context
@ -375,6 +384,72 @@
}
return this;
},
buildComposite: function() {
var original = this.get('_library'),
exclude = this.get('exclude'),
composite;
this.destroyComposite();
if ( ! this.get('exclude') )
return;
// Remember the state's original library.
if ( ! original )
this.set( '_library', original = this.get('library') );
// Create a composite library in its place.
composite = new media.model.Composite( null, {
props: _.pick( original.props.toJSON(), 'order', 'orderby' )
});
// Accepts attachments that exist in the original library and
// that do not exist in the excluded library.
composite.validator = function( attachment ) {
return !! original.getByCid( attachment.cid ) && ! exclude.getByCid( attachment.cid );
};
composite.observe( original ).observe( exclude );
// When `more()` is triggered on the composite collection,
// pass the command over to the `original`, which will
// populate the query.
composite.more = _.bind( original.more, original );
this.set( 'library', composite );
},
destroyComposite: function() {
var composite = this.get('library'),
original = this.get('_library');
if ( ! original )
return;
composite.unobserve();
this.set( 'library', original );
this.unset('_library');
},
_excludeState: function() {
var current = this.get('excludeState'),
previous = this.previous('excludeState');
if ( previous )
this.frame.get( previous ).off( 'change:library', this._excludeStateLibrary, this );
if ( current )
this.frame.get( previous ).on( 'change:library', this._excludeStateLibrary, this );
},
_excludeStateLibrary: function() {
var current = this.get('excludeState');
if ( ! current )
return;
this.set( 'exclude', this.frame.get( current ).get('library') );
}
});
@ -659,57 +734,20 @@
new media.controller.Library( _.defaults({
id: 'gallery-library',
library: media.query({ type: 'image' })
library: media.query({ type: 'image' }),
excludeState: 'gallery-edit'
}, gallery ) ),
new media.controller.Upload( _.defaults({
id: 'gallery-upload'
id: 'gallery-upload',
excludeState: 'gallery-edit'
}, gallery ) )
]);
this.get('gallery-edit').on( 'change:library', this.updateGalleryLibraries, this ).set({
library: options.selection
});
// Set the default state.
this.state( options.state );
},
updateGalleryLibraries: function() {
var editLibrary = this.get('gallery-edit').get('library');
_.each(['gallery-library','gallery-upload'], function( id ) {
var state = this.get( id ),
original = state.get('_library'),
composite;
// Remember the state's original library.
if ( ! original )
state.set( '_library', original = state.get('library') );
// Create a composite library in its place.
composite = new media.model.Composite( null, {
props: _.pick( original.props.toJSON(), 'order', 'orderby' )
});
// Accepts attachments that exist in the original library and
// that do not exist in the state's library.
composite.validator = function( attachment ) {
return !! original.getByCid( attachment.cid ) && ! editLibrary.getByCid( attachment.cid );
};
composite.observe( original );
composite.observe( editLibrary );
// When `more()` is triggered on the composite collection,
// pass the command over to the `original`, which will
// populate the query.
composite.more = _.bind( original.more, original );
state.set( 'library', composite );
}, this );
},
// Menus
mainMenu: function() {
this.menu.view( new media.view.Menu({