bundles/org.eclipse.rap.rwt/js/org/eclipse/swt/TabUtil.js

/*******************************************************************************
 * Copyright (c) 2002-2006 Innoopract Informationssysteme GmbH.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     Innoopract Informationssysteme GmbH - initial API and implementation
 ******************************************************************************/

qx.OO.defineClass( "org.eclipse.swt.TabUtil" );

org.eclipse.swt.TabUtil.createTabItem = function( id, parent ) {
  var tabButton = new qx.ui.pageview.tabview.Button();
  tabButton.setTabIndex( -1 );
  tabButton.setEnableElementFocus( false );
  // TODO [rh] remove event listener when tabButton gets disposed of
  tabButton.addEventListener( "changeFocused", 
                              org.eclipse.swt.TabUtil._onTabItemChangeFocus );
  tabButton.addEventListener( "click", 
                              org.eclipse.swt.TabUtil._onTabItemClick );
  var tabView
    = org.eclipse.swt.WidgetManager.getInstance().findWidgetById( parent );
  tabView.getBar().add( tabButton );
  tabButton.tabView = tabView;
  var tabViewPage = new qx.ui.pageview.tabview.Page( tabButton );
  tabView.getPane().add( tabViewPage );
  org.eclipse.swt.WidgetManager.getInstance().add( tabButton, id );
  org.eclipse.swt.WidgetManager.getInstance().add( tabViewPage, id + "pg" );
}

org.eclipse.swt.TabUtil._onTabItemChangeFocus = function( evt ) {
  // Focus the tabFolder the item belongs to when the item is focused
  if( evt.getTarget().getFocused() ) {
    evt.getTarget().getParent().getParent().focus();
  }
}

org.eclipse.swt.TabUtil._onTabItemClick = function( evt ) {
  // Focus the tabFolder the item belongs to when the item is clicked
  var folder = evt.getTarget().getParent().getParent();
  if( !folder.getFocused() ) {
     folder.focus();
  }
}

org.eclipse.swt.TabUtil.onTabFolderKeyPress = function( evt ) {
  var folder = evt.getTarget();
  if( folder.classname == "qx.ui.pageview.tabview.TabView" ) {
    var manager = folder.getBar().getManager();
    var item = manager.getSelected();
    if( item != null ) {
      switch( evt.getKeyIdentifier() ) {
        case "Left":
          manager.selectPrevious( item );
          org.eclipse.swt.TabUtil.markTabItemFocused( folder, evt.getTarget() );
          evt.stopPropagation();
          break;
        case "Right":
          manager.selectNext( item );
          org.eclipse.swt.TabUtil.markTabItemFocused( folder, evt.getTarget() );
          evt.stopPropagation();
          break;
      }
    }
  }
}

/**
 * Listener for change of property enabled on TabView, passes enablement to 
 * children
 * TODO: [rst] Once qx can properly disable a TabView, this listener can be 
 * removed
 */
org.eclipse.swt.TabUtil.onChangeEnabled = function( evt ) {
  var enabled = evt.getData();
  var items = this._bar.getChildren();
  for( var i = 0; i < items.length; i++ ) {
    var item = items[ i ];
    item.setEnabled( enabled );
  }
}

org.eclipse.swt.TabUtil.onTabFolderChangeFocused = function( evt ) {
  var folder = evt.getTarget();
  var item = folder.getBar().getManager().getSelected();
  org.eclipse.swt.TabUtil.markTabItemFocused( folder, item );
}

org.eclipse.swt.TabUtil.markTabItemFocused = function( folder, item ) {
  var items = folder.getBar().getManager().getItems();
  for( var i = 0; i < items.length; i++ ) {
    items[ i ].removeState( "focused" );    
  }
  // add state to the selected item if the tabFolder is focused
  if( item != null && folder.getFocused() ) {
    item.addState( "focused" );  
  } 
}

org.eclipse.swt.TabUtil.tabSelected = function( evt ) {
  if( !org_eclipse_rap_rwt_EventUtil_suspend ) {
    var widgetManager = org.eclipse.swt.WidgetManager.getInstance();
    var req = org.eclipse.swt.Request.getInstance();
    var id = widgetManager.findIdByWidget( evt.getTarget() );
    req.addParameter( id + ".checked", evt.getTarget().getChecked() );
  }
}

org.eclipse.swt.TabUtil.tabSelectedAction = function( evt ) {
  org.eclipse.swt.TabUtil.tabSelected( evt );
  if( !org_eclipse_rap_rwt_EventUtil_suspend && evt.getTarget().getChecked() ) {
    var widgetManager = org.eclipse.swt.WidgetManager.getInstance();
    // TODO [rst] Add item parameter in doWidgetSelected
    var itemId = widgetManager.findIdByWidget( evt.getTarget() );
    req.addParameter( "org.eclipse.swt.events.widgetSelected.item", itemId );
    var id = widgetManager.findIdByWidget( evt.getTarget().tabView );
    org.eclipse.swt.EventUtil.doWidgetSelected( id, 0, 0, 0, 0 );
  }
}