Fixed shortcuts for Ctrl + Tab and Ctrl + Shift + Tab, and added Ctrl + PG_UP and DOWN

app/Application.js

@@ -42,9 +42,10 @@ Ext.define('Rambox.Application', {
 					,handler: function(key) {
 						var tabPanel = Ext.cq1('app-main');
 						var activeIndex = tabPanel.items.indexOf(tabPanel.getActiveTab());
-						if ( tabPanel.items.items[activeIndex + 1] && tabPanel.items.items[activeIndex + 1].id === 'tbfill' ) activeIndex++;
+						var i = activeIndex + 1;
-						if ( !tabPanel.items.items[activeIndex + 1] ) activeIndex = -1;
+						if ( i >= tabPanel.items.items.length - 1 ) i = 0;
-						tabPanel.setActiveTab( activeIndex + 1 );
+						while ( tabPanel.items.items[i].id === 'tbfill' ) i++;
+						tabPanel.setActiveTab( i );
 					}
 				}
 				,{
@@ -55,10 +56,38 @@ Ext.define('Rambox.Application', {
 					,handler: function(key) {
 						var tabPanel = Ext.cq1('app-main');
 						var activeIndex = tabPanel.items.indexOf(tabPanel.getActiveTab());
-						if ( tabPanel.items.items[activeIndex - 1] && tabPanel.items.items[activeIndex - 1].id === 'tbfill' ) activeIndex--;
+						var i = activeIndex - 1;
-						if ( !tabPanel.items.items[activeIndex - 1] && tabPanel.items.items.length !== 2 ) activeIndex = tabPanel.items.items.length;
+						if ( i < 0 ) i = tabPanel.items.items.length - 1;
-						if ( tabPanel.items.items.length === 2 ) activeIndex = 1;
+						while ( tabPanel.items.items[i].id === 'tbfill' || i < 0 ) i--;
-						tabPanel.setActiveTab( activeIndex - 1 );
+						tabPanel.setActiveTab( i );
+					}
+				}
+				,{
+					 key: Ext.event.Event.PAGE_DOWN
+					,ctrl: true
+					,alt: false
+					,shift: false
+					,handler: function(key) {
+						var tabPanel = Ext.cq1('app-main');
+						var activeIndex = tabPanel.items.indexOf(tabPanel.getActiveTab());
+						var i = activeIndex + 1;
+						if ( i >= tabPanel.items.items.length - 1 ) i = 0;
+						while ( tabPanel.items.items[i].id === 'tbfill' ) i++;
+						tabPanel.setActiveTab( i );
+					}
+				}
+				,{
+					 key: Ext.event.Event.PAGE_UP
+					,ctrl: true
+					,alt: false
+					,shift: false
+					,handler: function(key) {
+						var tabPanel = Ext.cq1('app-main');
+						var activeIndex = tabPanel.items.indexOf(tabPanel.getActiveTab());
+						var i = activeIndex - 1;
+						if ( i < 0 ) i = tabPanel.items.items.length - 1;
+						while ( tabPanel.items.items[i].id === 'tbfill' ) i--;
+						tabPanel.setActiveTab( i );
 					}
 				}
 				,{