+/*global View render_template panels */
+var ImageGalleryView = View.extend({
+ _className: 'ImageGalleryView',
+ element: null,
+ model: null,
+ template: 'image-gallery-view-template',
+
+ init: function(element, model, parent, template)
+ {
+ this.currentPage = 0;
+
+ this._super(element, model, template);
+ this.parent = parent;
+
+ this.model
+ .addObserver(this, 'data', this.modelDataChanged.bind(this))
+ .addObserver(this, 'state', this.modelStateChanged.bind(this));
+
+ //$('.image-gallery-view', this.element).html(this.model.get('data'));
+ this.modelStateChanged('state', this.model.get('state'));
+ this.model.load();
+ },
+
+ modelDataChanged: function(property, value)
+ {
+ $.log('updating pages', property, value);
+ if( property == 'data')
+ {
+ this.gotoPage(this.currentPage);
+ this.element.html(render_template(this.template, this));
+ }
+ },
+
+ gotoPage: function(index) {
+ if (index < 0)
+ index = 0;
+
+ var n = this.model.get('pages').length;
+ if (index >= n) index = n-1;
+
+ this.currentPage = index;
+ },
+
+ modelStateChanged: function(property, value) {
+ if (value == 'synced' || value == 'dirty') {
+ this.parent.unfreeze();
+ } else if (value == 'unsynced') {
+ this.parent.freeze('Niezsynchronizowany...');
+ } else if (value == 'loading') {
+ this.parent.freeze('Ładowanie...');
+ } else if (value == 'saving') {
+ this.parent.freeze('Zapisywanie...');
+ }
+ },
+
+ dispose: function() {
+ this.model.removeObserver(this);
+ this._super();
+ }
+});
+
+// Register view
+panels['gallery'] = ImageGalleryView;
\ No newline at end of file