Media Grid: display upload errors in a dismissable sidebar.

See #29037.

Built from https://develop.svn.wordpress.org/trunk@29415


git-svn-id: http://core.svn.wordpress.org/trunk@29193 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/css/media-views-rtl.css

@@ -257,6 +257,11 @@
 	-webkit-overflow-scrolling: touch;
 }
 
+.upload-php .mode-grid .hide-sidebar .media-sidebar {
+	top: 102px;
+	display: none;
+}
+
 .hide-toolbar .media-sidebar {
 	bottom: 0;
 }

wp-includes/css/media-views.css

@@ -257,6 +257,11 @@
 	-webkit-overflow-scrolling: touch;
 }
 
+.upload-php .mode-grid .hide-sidebar .media-sidebar {
+	top: 102px;
+	display: none;
+}
+
 .hide-toolbar .media-sidebar {
 	bottom: 0;
 }

wp-includes/js/media-grid.js

@@ -191,7 +191,7 @@
 			var state = this.state();
 
 			// Browse our library of attachments.
-			contentRegion.view = new media.view.AttachmentsBrowser({
+			this.browserView = contentRegion.view = new media.view.AttachmentsBrowser({
 				controller: this,
 				collection: state.get('library'),
 				selection:  state.get('selection'),
@@ -201,7 +201,7 @@
 				filters:    state.get('filterable'),
 				display:    state.get('displaySettings'),
 				dragInfo:   state.get('dragInfo'),
-				sidebar:    false,
+				sidebar:    'errors',
 
 				suggestedWidth:  state.get('suggestedWidth'),
 				suggestedHeight: state.get('suggestedHeight'),
@@ -210,6 +210,13 @@
 
 				scrollElement: document
 			});
+
+			this.errors = wp.Uploader.errors;
+			this.errors.on( 'add remove reset', this.sidebarVisibility, this );
+		},
+
+		sidebarVisibility: function() {
+			this.browserView.$( '.media-sidebar' ).toggle( this.errors.length );
 		}
 	});
 

wp-includes/js/media-views.js

@@ -5702,7 +5702,9 @@
 			this.updateContent();
 			if ( this.options.sidebar ) {
 				this.createSidebar();
-			} else {
+			}
+
+			if ( ! this.options.sidebar || 'errors' === this.options.sidebar ) {
 				this.$el.addClass( 'hide-sidebar' );
 			}