Theme Customizer: First pass for upload controls, using background image as an example. Add a wrapper for Plupload that allows for custom upload UIs. see #19910.
wp.Uploader is a wrapper that provides a simple way to upload an attachment (using the wp_ajax_upload_attachment handler). It is intentionally decoupled from the UI. When an upload succeeds, it will receive the attachment information (id, url, meta, etc) as a JSON response. If the upload fails, the wrapper handles both WordPress and plupload errors through a single handler. As todos, we should add drag classes for the uploader dropzone and account for the rough 100mb filesize limit in most browsers. The UI for the customizer upload controls could be improved as well. git-svn-id: https://develop.svn.wordpress.org/trunk@20179 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Daryl Koopersmith
parent
d4e4ac7283
commit
d254551dd7
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@ -45,7 +45,7 @@ $core_actions_post = array(
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'menu-locations-save', 'menu-quick-search', 'meta-box-order', 'get-permalink',
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'sample-permalink', 'inline-save', 'inline-save-tax', 'find_posts', 'widgets-order',
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'save-widget', 'set-post-thumbnail', 'date_format', 'time_format', 'wp-fullscreen-save-post',
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'wp-remove-post-lock', 'dismiss-wp-pointer',
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'wp-remove-post-lock', 'dismiss-wp-pointer', 'upload-attachment',
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);
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// Register core Ajax calls.
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@ -1544,6 +1544,50 @@ function wp_ajax_save_widget() {
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wp_die();
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}
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function wp_ajax_upload_attachment() {
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check_ajax_referer( 'media-form' );
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if ( ! current_user_can( 'upload_files' ) )
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wp_die( -1 );
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if ( isset( $_REQUEST['post_id'] ) ) {
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$post_id = $_REQUEST['post_id'];
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if ( ! current_user_can( 'edit_post', $post_id ) )
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wp_die( -1 );
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} else {
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$post_id = null;
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}
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$post_data = is_array( $_REQUEST['post_data'] ) ? $_REQUEST['post_data'] : array();
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$attachment_id = media_handle_upload( 'async-upload', $post_id, $post_data );
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if ( is_wp_error( $attachment_id ) ) {
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echo json_encode( array(
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'type' => 'error',
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'data' => array(
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'message' => $attachment_id->get_error_message(),
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'filename' => $_FILES['async-upload']['name'],
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),
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) );
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wp_die();
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}
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$post = get_post( $attachment_id );
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echo json_encode( array(
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'type' => 'success',
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'data' => array(
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'id' => $attachment_id,
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'title' => esc_attr( $post->post_title ),
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'filename' => esc_html( basename( $post->guid ) ),
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'url' => wp_get_attachment_url( $attachment_id ),
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'meta' => wp_get_attachment_metadata( $attachment_id ),
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),
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) );
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wp_die();
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}
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function wp_ajax_image_editor() {
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$attachment_id = intval($_POST['postid']);
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if ( empty($attachment_id) || !current_user_can('edit_post', $attachment_id) )
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@ -70,6 +70,9 @@ class WP_Customize_Setting {
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wp_enqueue_script( 'farbtastic' );
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wp_enqueue_style( 'farbtastic' );
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break;
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case 'upload':
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wp_enqueue_script( 'wp-plupload' );
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break;
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}
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}
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@ -394,6 +397,15 @@ class WP_Customize_Setting {
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</select>
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<?php
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break;
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case 'upload':
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?>
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<label><?php echo esc_html( $this->label ); ?><br/>
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<input type="hidden" value="<?php echo esc_attr( $this->value() ); ?>" <?php $this->name(); ?> />
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<a href="#" class="button-secondary upload"><?php _e( 'Upload' ); ?></a>
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<a href="#" class="remove"><?php _e( 'Remove' ); ?></a>
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</label>
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<?php
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break;
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default:
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do_action( 'customize_render_control-' . $this->control, $this );
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@ -523,7 +523,13 @@ final class WP_Customize {
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'section' => 'background',
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'control' => 'color',
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'default' => defined( 'BACKGROUND_COLOR' ) ? BACKGROUND_COLOR : '',
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'sanitize_callback' => 'sanitize_hexcolor'
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'sanitize_callback' => 'sanitize_hexcolor',
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) );
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$this->add_setting( 'background_image', array(
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'label' => 'Background Image',
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'section' => 'background',
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'control' => 'upload',
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) );
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/* Nav Menus */
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@ -70,6 +70,26 @@
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}
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});
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api.UploadControl = api.Control.extend({
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initialize: function( id, value, options ) {
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var control = this;
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api.Control.prototype.initialize.call( this, id, value, options );
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this.uploader = new wp.Uploader({
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browser: this.container.find('.upload'),
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success: function( attachment ) {
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control.set( attachment.url );
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}
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});
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this.container.on( 'click', '.remove', function( event ) {
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control.set('');
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event.preventDefault();
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});
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}
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});
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// Change objects contained within the main customize object to Settings.
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api.defaultConstructor = api.Setting;
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@ -194,7 +214,8 @@
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* ===================================================================== */
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api.controls = {
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color: api.ColorControl
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color: api.ColorControl,
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upload: api.UploadControl
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};
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$( function() {
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@ -229,6 +250,9 @@
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// Background color uses postMessage by default
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api('background_color').method = 'postMessage';
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// api('background_image').method = 'postMessage';
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api('background_image').uploader.param( 'post_data', { context: 'custom-background' });
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});
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})( wp, jQuery );
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@ -0,0 +1,156 @@
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if ( typeof wp === 'undefined' )
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var wp = {};
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(function( exports, $ ) {
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/*
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* An object that helps create a WordPress uploader using plupload.
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*
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* @param options - object - The options passed to the new plupload instance.
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* Requires the following parameters:
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* - container - The id of uploader container.
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* - browser - The id of button to trigger the file select.
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* - dropzone - The id of file drop target.
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* - plupload - An object of parameters to pass to the plupload instance.
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* - params - An object of parameters to pass to $_POST when uploading the file.
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* Extends this.plupload.multipart_params under the hood.
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*
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* @param attributes - object - Attributes and methods for this specific instance.
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*/
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var Uploader = function( options ) {
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var self = this,
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elements = {
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container: 'container',
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browser: 'browse_button',
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dropzone: 'drop_element'
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},
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key;
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this.plupload = $.extend( { multipart_params: {} }, wpPluploadDefaults );
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this.container = document.body; // Set default container.
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// Extend the instance with options
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//
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// Use deep extend to allow options.plupload to override individual
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// default plupload keys.
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$.extend( true, this, options );
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// Proxy all methods so this always refers to the current instance.
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for ( key in this ) {
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if ( $.isFunction( this[ key ] ) )
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this[ key ] = $.proxy( this[ key ], this );
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}
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// Ensure all elements are jQuery elements and have id attributes
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// Then set the proper plupload arguments to the ids.
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for ( key in elements ) {
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if ( ! this[ key ] )
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continue;
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this[ key ] = $( this[ key ] ).first();
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if ( ! this[ key ].prop('id') )
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this[ key ].prop( 'id', '__wp-uploader-id-' + Uploader.uuid++ );
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this.plupload[ elements[ key ] ] = this[ key ].prop('id');
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}
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this.uploader = new plupload.Uploader( this.plupload );
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delete this.plupload;
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// Set default params and remove this.params alias.
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this.param( this.params || {} );
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delete this.params;
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this.uploader.bind( 'Init', this.init );
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this.uploader.init();
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this.uploader.bind( 'UploadProgress', this.progress );
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this.uploader.bind( 'FileUploaded', function( up, file, response ) {
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response = JSON.parse( response.response );
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if ( ! response || ! response.type || ! response.data )
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return self.error( pluploadL10n.default_error );
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if ( 'error' === response.type )
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return self.error( response.data.message, response.data );
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if ( 'success' === response.type )
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return self.success( response.data );
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});
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this.uploader.bind( 'Error', function( up, error ) {
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var message = pluploadL10n.default_error,
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key;
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// Check for plupload errors.
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for ( key in Uploader.errorMap ) {
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if ( error.code === plupload[ key ] ) {
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message = Uploader.errorMap[ key ];
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break;
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}
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}
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self.error( message, error );
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up.refresh();
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});
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this.uploader.bind( 'FilesAdded', function( up, files ) {
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$.each( files, function() {
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self.added( this );
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});
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up.refresh();
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up.start();
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});
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};
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Uploader.uuid = 0;
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Uploader.errorMap = {
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'FAILED': pluploadL10n.upload_failed,
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'FILE_EXTENSION_ERROR': pluploadL10n.invalid_filetype,
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// 'FILE_SIZE_ERROR': '',
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'IMAGE_FORMAT_ERROR': pluploadL10n.not_an_image,
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'IMAGE_MEMORY_ERROR': pluploadL10n.image_memory_exceeded,
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'IMAGE_DIMENSIONS_ERROR': pluploadL10n.image_dimensions_exceeded,
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'GENERIC_ERROR': pluploadL10n.upload_failed,
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'IO_ERROR': pluploadL10n.io_error,
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'HTTP_ERROR': pluploadL10n.http_error,
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'SECURITY_ERROR': pluploadL10n.security_error
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};
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$.extend( Uploader.prototype, {
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/**
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* Acts as a shortcut to extending the uploader's multipart_params object.
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*
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* param( key )
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* Returns the value of the key.
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*
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* param( key, value )
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* Sets the value of a key.
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*
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* param( map )
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* Sets values for a map of data.
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*/
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param: function( key, value ) {
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if ( arguments.length === 1 && typeof key === 'string' )
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return this.uploader.settings.multipart_params[ key ];
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if ( arguments.length > 1 ) {
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this.uploader.settings.multipart_params[ key ] = value;
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} else {
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$.extend( this.uploader.settings.multipart_params, key );
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}
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},
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init: function() {},
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error: function() {},
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success: function() {},
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added: function() {},
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progress: function() {},
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complete: function() {}
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});
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exports.Uploader = Uploader;
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})( wp, jQuery );
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@ -1441,3 +1441,46 @@ function wp_embed_handler_googlevideo( $matches, $attr, $url, $rawattr ) {
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return apply_filters( 'embed_googlevideo', '<embed type="application/x-shockwave-flash" src="http://video.google.com/googleplayer.swf?docid=' . esc_attr($matches[2]) . '&hl=en&fs=true" style="width:' . esc_attr($width) . 'px;height:' . esc_attr($height) . 'px" allowFullScreen="true" allowScriptAccess="always" />', $matches, $attr, $url, $rawattr );
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}
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/**
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* Prints default plupload arguments.
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*
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* @since 3.4.0
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*/
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function wp_plupload_default_settings() {
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global $wp_scripts;
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$max_upload_size = wp_max_upload_size();
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$params = array(
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'action' => 'upload-attachment',
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);
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$params = apply_filters( 'plupload_default_params', $params );
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$params['_wpnonce'] = wp_create_nonce( 'media-form' );
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$settings = array(
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'runtimes' => 'html5,silverlight,flash,html4',
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'file_data_name' => 'async-upload', // key passed to $_FILE.
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'multiple_queues' => true,
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'max_file_size' => $max_upload_size . 'b',
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'url' => admin_url( 'admin-ajax.php' ),
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'flash_swf_url' => includes_url( 'js/plupload/plupload.flash.swf' ),
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'silverlight_xap_url' => includes_url( 'js/plupload/plupload.silverlight.xap' ),
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'filters' => array( array( 'title' => __( 'Allowed Files' ), 'extensions' => '*') ),
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'multipart' => true,
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'urlstream_upload' => true,
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'multipart_params' => $params,
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);
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$settings = apply_filters( 'plupload_default_settings', $settings );
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$script = 'var wpPluploadDefaults = ' . json_encode( $settings ) . ';';
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$data = $wp_scripts->get_data( 'wp-plupload', 'data' );
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if ( $data )
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$script = "$data\n$script";
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$wp_scripts->add_data( 'wp-plupload', 'data', $script );
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}
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add_action( 'admin_init', 'wp_plupload_default_settings' );
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@ -228,6 +228,9 @@ function wp_default_scripts( &$scripts ) {
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$scripts->add( 'plupload-handlers', "/wp-includes/js/plupload/handlers$suffix.js", array('plupload-all', 'jquery') );
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$scripts->localize( 'plupload-handlers', 'pluploadL10n', $uploader_l10n );
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$scripts->add( 'wp-plupload', "/wp-includes/js/plupload/wp-plupload$suffix.js", array('plupload-all', 'jquery', 'json2') );
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$scripts->localize( 'wp-plupload', 'pluploadL10n', $uploader_l10n );
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// keep 'swfupload' for back-compat.
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$scripts->add( 'swfupload', '/wp-includes/js/swfupload/swfupload.js', array(), '2201-20110113');
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$scripts->add( 'swfupload-swfobject', '/wp-includes/js/swfupload/plugins/swfupload.swfobject.js', array('swfupload', 'swfobject'), '2201a');
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