WordPress/wp-includes/js/media-grid.js

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/* global _wpMediaViewsL10n, MediaElementPlayer, _wpMediaGridSettings */
(function($, _, Backbone, wp) {
// Local reference to the WordPress media namespace.
var media = wp.media, l10n;
// Link localized strings and settings.
if ( media.view.l10n ) {
l10n = media.view.l10n;
} else {
l10n = media.view.l10n = typeof _wpMediaViewsL10n === 'undefined' ? {} : _wpMediaViewsL10n;
delete l10n.settings;
}
/**
* wp.media.controller.EditAttachmentMetadata
*
* A state for editing an attachment's metadata.
*
* @constructor
* @augments wp.media.controller.State
* @augments Backbone.Model
*/
media.controller.EditAttachmentMetadata = media.controller.State.extend({
defaults: {
id: 'edit-attachment',
// Title string passed to the frame's title region view.
title: l10n.attachmentDetails,
// Region mode defaults.
content: 'edit-metadata',
menu: false,
toolbar: false,
router: false
}
});
/**
* wp.media.view.MediaFrame.Manage
*
* A generic management frame workflow.
*
* Used in the media grid view.
*
* @constructor
* @augments wp.media.view.MediaFrame
* @augments wp.media.view.Frame
* @augments wp.media.View
* @augments wp.Backbone.View
* @augments Backbone.View
* @mixes wp.media.controller.StateMachine
*/
media.view.MediaFrame.Manage = media.view.MediaFrame.extend({
/**
* @global wp.Uploader
*/
initialize: function() {
var self = this;
_.defaults( this.options, {
title: '',
modal: false,
selection: [],
library: {}, // Options hash for the query to the media library.
multiple: 'add',
state: 'library',
uploader: true,
mode: [ 'grid', 'edit' ]
});
this.$body = $( document.body );
this.$window = $( window );
this.$adminBar = $( '#wpadminbar' );
this.$window.on( 'scroll resize', _.debounce( _.bind( this.fixPosition, this ), 15 ) );
$( document ).on( 'click', '.add-new-h2', _.bind( this.addNewClickHandler, this ) );
// Ensure core and media grid view UI is enabled.
this.$el.addClass('wp-core-ui');
// Force the uploader off if the upload limit has been exceeded or
// if the browser isn't supported.
if ( wp.Uploader.limitExceeded || ! wp.Uploader.browser.supported ) {
this.options.uploader = false;
}
// Initialize a window-wide uploader.
if ( this.options.uploader ) {
this.uploader = new media.view.UploaderWindow({
controller: this,
uploader: {
dropzone: document.body,
container: document.body
}
}).render();
this.uploader.ready();
$('body').append( this.uploader.el );
this.options.uploader = false;
}
this.gridRouter = new media.view.MediaFrame.Manage.Router();
// Call 'initialize' directly on the parent class.
media.view.MediaFrame.prototype.initialize.apply( this, arguments );
// Append the frame view directly the supplied container.
this.$el.appendTo( this.options.container );
this.createStates();
this.bindRegionModeHandlers();
this.render();
// Update the URL when entering search string (at most once per second)
$( '#media-search-input' ).on( 'input', _.debounce( function(e) {
var val = $( e.currentTarget ).val(), url = '';
if ( val ) {
url += '?search=' + val;
}
self.gridRouter.navigate( self.gridRouter.baseUrl( url ) );
}, 1000 ) );
},
/**
* Create the default states for the frame.
*/
createStates: function() {
var options = this.options;
if ( this.options.states ) {
return;
}
// Add the default states.
this.states.add([
new media.controller.Library({
library: media.query( options.library ),
multiple: options.multiple,
title: options.title,
content: 'browse',
toolbar: 'select',
contentUserSetting: false,
filterable: 'all',
autoSelect: false
})
]);
},
/**
* Bind region mode activation events to proper handlers.
*/
bindRegionModeHandlers: function() {
this.on( 'content:create:browse', this.browseContent, this );
// Handle a frame-level event for editing an attachment.
this.on( 'edit:attachment', this.openEditAttachmentModal, this );
this.on( 'select:activate', this.bindKeydown, this );
this.on( 'select:deactivate', this.unbindKeydown, this );
},
handleKeydown: function( e ) {
if ( 27 === e.which ) {
e.preventDefault();
this.deactivateMode( 'select' ).activateMode( 'edit' );
}
},
bindKeydown: function() {
this.$body.on( 'keydown.select', _.bind( this.handleKeydown, this ) );
},
unbindKeydown: function() {
this.$body.off( 'keydown.select' );
},
fixPosition: function() {
var $browser, $toolbar;
if ( ! this.isModeActive( 'select' ) ) {
return;
}
$browser = this.$('.attachments-browser');
$toolbar = $browser.find('.media-toolbar');
// Offset doesn't appear to take top margin into account, hence +16
if ( ( $browser.offset().top + 16 ) < this.$window.scrollTop() + this.$adminBar.height() ) {
$browser.addClass( 'fixed' );
$toolbar.css('width', $browser.width() + 'px');
} else {
$browser.removeClass( 'fixed' );
$toolbar.css('width', '');
}
},
/**
* Click handler for the `Add New` button.
*/
addNewClickHandler: function( event ) {
event.preventDefault();
this.trigger( 'toggle:upload:attachment' );
},
/**
* Open the Edit Attachment modal.
*/
openEditAttachmentModal: function( model ) {
// Create a new EditAttachment frame, passing along the library and the attachment model.
wp.media( {
frame: 'edit-attachments',
controller: this,
library: this.state().get('library'),
model: model
} );
},
/**
* Create an attachments browser view within the content region.
*
* @param {Object} contentRegion Basic object with a `view` property, which
* should be set with the proper region view.
* @this wp.media.controller.Region
*/
browseContent: function( contentRegion ) {
var state = this.state();
// Browse our library of attachments.
this.browserView = contentRegion.view = new media.view.AttachmentsBrowser({
controller: this,
collection: state.get('library'),
selection: state.get('selection'),
model: state,
sortable: state.get('sortable'),
search: state.get('searchable'),
filters: state.get('filterable'),
display: state.get('displaySettings'),
dragInfo: state.get('dragInfo'),
sidebar: 'errors',
suggestedWidth: state.get('suggestedWidth'),
suggestedHeight: state.get('suggestedHeight'),
AttachmentView: state.get('AttachmentView'),
scrollElement: document
});
this.browserView.on( 'ready', _.bind( this.bindDeferred, this ) );
this.errors = wp.Uploader.errors;
this.errors.on( 'add remove reset', this.sidebarVisibility, this );
},
sidebarVisibility: function() {
this.browserView.$( '.media-sidebar' ).toggle( !! this.errors.length );
},
bindDeferred: function() {
if ( ! this.browserView.dfd ) {
return;
}
this.browserView.dfd.done( _.bind( this.startHistory, this ) );
},
startHistory: function() {
// Verify pushState support and activate
if ( window.history && window.history.pushState ) {
Backbone.history.start( {
root: _wpMediaGridSettings.adminUrl,
pushState: true
} );
}
}
});
/**
* A similar view to media.view.Attachment.Details
* for use in the Edit Attachment modal.
*
* @constructor
* @augments wp.media.view.Attachment.Details
* @augments wp.media.view.Attachment
* @augments wp.media.View
* @augments wp.Backbone.View
* @augments Backbone.View
*/
media.view.Attachment.Details.TwoColumn = media.view.Attachment.Details.extend({
template: media.template( 'attachment-details-two-column' ),
editAttachment: function( event ) {
event.preventDefault();
this.controller.content.mode( 'edit-image' );
},
/**
* Noop this from parent class, doesn't apply here.
*/
toggleSelectionHandler: function() {},
render: function() {
media.view.Attachment.Details.prototype.render.apply( this, arguments );
media.mixin.removeAllPlayers();
this.$( 'audio, video' ).each( function (i, elem) {
var el = media.view.MediaDetails.prepareSrc( elem );
new MediaElementPlayer( el, media.mixin.mejsSettings );
} );
}
});
/**
* A router for handling the browser history and application state.
*
* @constructor
* @augments Backbone.Router
*/
media.view.MediaFrame.Manage.Router = Backbone.Router.extend({
routes: {
'upload.php?item=:slug': 'showItem',
'upload.php?search=:query': 'search'
},
// Map routes against the page URL
baseUrl: function( url ) {
return 'upload.php' + url;
},
// Respond to the search route by filling the search field and trigggering the input event
search: function( query ) {
$( '#media-search-input' ).val( query ).trigger( 'input' );
},
// Show the modal with a specific item
showItem: function( query ) {
var library = media.frame.state().get('library'), item;
// Trigger the media frame to open the correct item
item = library.findWhere( { id: parseInt( query, 10 ) } );
if ( item ) {
media.frame.trigger( 'edit:attachment', item );
} else {
item = media.attachment( query );
media.frame.listenTo( item, 'change', function( model ) {
media.frame.stopListening( item );
media.frame.trigger( 'edit:attachment', model );
} );
item.fetch();
}
}
});
media.view.EditImage.Details = media.view.EditImage.extend({
initialize: function( options ) {
this.editor = window.imageEdit;
this.frame = options.frame;
this.controller = options.controller;
media.View.prototype.initialize.apply( this, arguments );
},
back: function() {
this.frame.content.mode( 'edit-metadata' );
},
save: function() {
var self = this;
this.model.fetch().done( function() {
self.frame.content.mode( 'edit-metadata' );
});
}
});
/**
* A frame for editing the details of a specific media item.
*
* Opens in a modal by default.
*
* Requires an attachment model to be passed in the options hash under `model`.
*
* @constructor
* @augments wp.media.view.Frame
* @augments wp.media.View
* @augments wp.Backbone.View
* @augments Backbone.View
* @mixes wp.media.controller.StateMachine
*/
media.view.MediaFrame.EditAttachments = media.view.MediaFrame.extend({
className: 'edit-attachment-frame',
template: media.template( 'edit-attachment-frame' ),
regions: [ 'title', 'content' ],
events: {
'click .left': 'previousMediaItem',
'click .right': 'nextMediaItem',
'keydown': 'keyEvent'
},
initialize: function() {
media.view.Frame.prototype.initialize.apply( this, arguments );
_.defaults( this.options, {
modal: true,
state: 'edit-attachment'
});
this.controller = this.options.controller;
this.gridRouter = this.controller.gridRouter;
this.library = this.options.library;
if ( this.options.model ) {
this.model = this.options.model;
}
this.bindHandlers();
this.createStates();
this.createModal();
this.title.mode( 'default' );
this.toggleNav();
},
bindHandlers: function() {
// Bind default title creation.
this.on( 'title:create:default', this.createTitle, this );
// Close the modal if the attachment is deleted.
this.listenTo( this.model, 'change:status destroy', this.close, this );
this.on( 'content:create:edit-metadata', this.editMetadataMode, this );
this.on( 'content:create:edit-image', this.editImageMode, this );
this.on( 'content:render:edit-image', this.editImageModeRender, this );
this.on( 'close', this.detach );
},
createModal: function() {
var self = this;
// Initialize modal container view.
if ( this.options.modal ) {
this.modal = new media.view.Modal({
controller: this,
title: this.options.title
});
this.modal.on( 'open', function () {
$( 'body' ).on( 'keydown.media-modal', _.bind( self.keyEvent, self ) );
} );
// Completely destroy the modal DOM element when closing it.
this.modal.on( 'close', function() {
self.modal.remove();
$( 'body' ).off( 'keydown.media-modal' ); /* remove the keydown event */
// Restore the original focus item if possible
$( 'li.attachment[data-id="' + self.model.get( 'id' ) +'"]' ).focus();
self.resetRoute();
} );
// Set this frame as the modal's content.
this.modal.content( this );
this.modal.open();
}
},
/**
* Add the default states to the frame.
*/
createStates: function() {
this.states.add([
new media.controller.EditAttachmentMetadata( { model: this.model } )
]);
},
/**
* Content region rendering callback for the `edit-metadata` mode.
*
* @param {Object} contentRegion Basic object with a `view` property, which
* should be set with the proper region view.
*/
editMetadataMode: function( contentRegion ) {
contentRegion.view = new media.view.Attachment.Details.TwoColumn({
controller: this,
model: this.model
});
/**
* Attach a subview to display fields added via the
* `attachment_fields_to_edit` filter.
*/
contentRegion.view.views.set( '.attachment-compat', new media.view.AttachmentCompat({
controller: this,
model: this.model
}) );
// Update browser url when navigating media details
if ( this.model ) {
this.gridRouter.navigate( this.gridRouter.baseUrl( '?item=' + this.model.id ) );
}
},
/**
* Render the EditImage view into the frame's content region.
*
* @param {Object} contentRegion Basic object with a `view` property, which
* should be set with the proper region view.
*/
editImageMode: function( contentRegion ) {
var editImageController = new media.controller.EditImage( {
model: this.model,
frame: this
} );
// Noop some methods.
editImageController._toolbar = function() {};
editImageController._router = function() {};
editImageController._menu = function() {};
contentRegion.view = new media.view.EditImage.Details( {
model: this.model,
frame: this,
controller: editImageController
} );
},
editImageModeRender: function( view ) {
view.on( 'ready', view.loadEditor );
},
toggleNav: function() {
this.$('.left').toggleClass( 'disabled', ! this.hasPrevious() );
this.$('.right').toggleClass( 'disabled', ! this.hasNext() );
},
/**
* Rerender the view.
*/
rerender: function() {
// Only rerender the `content` region.
if ( this.content.mode() !== 'edit-metadata' ) {
this.content.mode( 'edit-metadata' );
} else {
this.content.render();
}
this.toggleNav();
},
/**
* Click handler to switch to the previous media item.
*/
previousMediaItem: function() {
if ( ! this.hasPrevious() ) {
this.$( '.left' ).blur();
return;
}
this.model = this.library.at( this.getCurrentIndex() - 1 );
this.rerender();
this.$( '.left' ).focus();
},
/**
* Click handler to switch to the next media item.
*/
nextMediaItem: function() {
if ( ! this.hasNext() ) {
this.$( '.right' ).blur();
return;
}
this.model = this.library.at( this.getCurrentIndex() + 1 );
this.rerender();
this.$( '.right' ).focus();
},
getCurrentIndex: function() {
return this.library.indexOf( this.model );
},
hasNext: function() {
return ( this.getCurrentIndex() + 1 ) < this.library.length;
},
hasPrevious: function() {
return ( this.getCurrentIndex() - 1 ) > -1;
},
/**
* Respond to the keyboard events: right arrow, left arrow, escape.
*/
keyEvent: function( event ) {
if ( 'INPUT' === event.target.tagName && ! ( event.target.readOnly || event.target.disabled ) ) {
return;
}
// The right arrow key
if ( 39 === event.keyCode ) {
this.nextMediaItem();
}
// The left arrow key
if ( 37 === event.keyCode ) {
this.previousMediaItem();
}
},
resetRoute: function() {
this.gridRouter.navigate( this.gridRouter.baseUrl( '' ) );
}
});
media.view.SelectModeToggleButton = media.view.Button.extend({
initialize: function() {
media.view.Button.prototype.initialize.apply( this, arguments );
this.listenTo( this.controller, 'select:activate select:deactivate', this.toggleBulkEditHandler );
this.listenTo( this.controller, 'selection:action:done', this.back );
},
back: function () {
this.controller.deactivateMode( 'select' ).activateMode( 'edit' );
},
click: function() {
media.view.Button.prototype.click.apply( this, arguments );
if ( this.controller.isModeActive( 'select' ) ) {
this.back();
} else {
this.controller.deactivateMode( 'edit' ).activateMode( 'select' );
}
},
render: function() {
media.view.Button.prototype.render.apply( this, arguments );
this.$el.addClass( 'select-mode-toggle-button' );
return this;
},
toggleBulkEditHandler: function() {
var toolbar = this.controller.content.get().toolbar, children;
children = toolbar.$( '.media-toolbar-secondary > *, .media-toolbar-primary > *');
if ( this.controller.isModeActive( 'select' ) ) {
this.model.set( 'text', l10n.cancelSelection );
children.not( '.delete-selected-button' ).hide();
toolbar.$( '.select-mode-toggle-button' ).show();
toolbar.$( '.delete-selected-button' ).removeClass( 'hidden' );
} else {
this.model.set( 'text', l10n.bulkSelect );
this.controller.content.get().$el.removeClass('fixed');
toolbar.$el.css('width', '');
toolbar.$( '.delete-selected-button' ).addClass( 'hidden' );
children.not( '.spinner, .delete-selected-button' ).show();
this.controller.state().get( 'selection' ).reset();
}
}
});
media.view.DeleteSelectedButton = media.view.Button.extend({
initialize: function() {
media.view.Button.prototype.initialize.apply( this, arguments );
if ( this.options.filters ) {
this.listenTo( this.options.filters.model, 'change', this.filterChange );
}
this.listenTo( this.controller, 'selection:toggle', this.toggleDisabled );
},
filterChange: function( model ) {
if ( 'trash' === model.get( 'status' ) ) {
this.model.set( 'text', l10n.untrashSelected );
} else if ( media.view.settings.mediaTrash ) {
this.model.set( 'text', l10n.trashSelected );
} else {
this.model.set( 'text', l10n.deleteSelected );
}
},
toggleDisabled: function() {
this.model.set( 'disabled', ! this.controller.state().get( 'selection' ).length );
},
render: function() {
media.view.Button.prototype.render.apply( this, arguments );
if ( this.controller.isModeActive( 'select' ) ) {
this.$el.addClass( 'delete-selected-button' );
} else {
this.$el.addClass( 'delete-selected-button hidden' );
}
return this;
}
});
/**
* A filter dropdown for month/dates.
*/
media.view.DateFilter = media.view.AttachmentFilters.extend({
id: 'media-attachment-date-filters',
createFilters: function() {
var filters = {};
_.each( media.view.settings.months || {}, function( value, index ) {
filters[ index ] = {
text: value.text,
props: {
year: value.year,
monthnum: value.month
}
};
});
filters.all = {
text: l10n.allDates,
props: {
monthnum: false,
year: false
},
priority: 10
};
this.filters = filters;
}
});
}(jQuery, _, Backbone, wp));