add annotation panel

static/js/viewer.js

@@ -4,15 +4,36 @@ oml.ui.viewer = function() {
 
     var ui = oml.user.ui,
 
+        frame = Ox.Element(),
         that = Ox.Element()
             .bindEvent({
                 oml_itemview: function(data) {
                     if (ui.item != item && ui.itemView == 'book') {
                         that.updateElement(ui.item);
                     }
+                },
+                oml_showannotations: function() {
+                    panel.toggleElement(1);
                 }
             }),
-
+        panel = Ox.SplitPanel({
+                elements: [
+                    {
+                        element: frame
+                    },
+                    {
+                        collapsed: !ui.showAnnotations,
+                        collapsible: true,
+                        element: oml.$ui.annotationPanel = oml.ui.annotationPanel(),
+                        size: 256,
+                        tooltip: Ox._('Annotations')
+                            + ' <span class="OxBright">'
+                            + Ox.SYMBOLS.shift + 'A</span>'
+                    }
+                ],
+                orientation: 'horizontal'
+            })
+            .appendTo(that),
         $iframe, item;
 
     that.updateElement = function() {
@@ -20,11 +41,29 @@ oml.ui.viewer = function() {
         if (item && item.length) {
             oml.api.get({id: item, keys: ['mediastate']}, function(result) {
                 if (result.data.mediastate == 'available') {
-                    $iframe = $iframe || Ox.Element('<iframe>').css({
+                    oml.$ui.annotationPanel.empty()
+                    if ($iframe) {
+                        $iframe.remove()
+                    }
+                    $iframe = Ox.Element('<iframe>').css({
                         width: '100%',
                         height: '100%',
                         border: 0
-                    }).appendTo(that);
+                    }).onMessage(function(data, event) {
+                        console.log('got', event, data)
+                        if (event == 'addAnnotation') {
+                            console.log('adding', data.id)
+                            oml.$ui.annotationPanel.append(oml.ui.annotation(data, $iframe));
+                        } else if (event == 'removeAnnotation') {
+                            console.log('do it ...', data)
+                            oml.$ui.annotationPanel.find('#a-' + data.id).remove()
+                        } else if (event == 'selectAnnotation') {
+                            console.log('select', data)
+                        } else if (event == 'deselectAnnotation') {
+                            console.log('deselect', data)
+                        }
+                        that.triggerEvent(event, data);
+                    }).appendTo(frame);
                     $iframe.attr({
                         src: '/' + item + '/reader/'
                     });
@@ -33,7 +72,9 @@ oml.ui.viewer = function() {
         }
         return that;
     };
+    that.postMessage = function(event, data) {
+        $iframe && $iframe.postMesage(event, data)
+    };
 
     return that.updateElement();
-
 };