/*

  * Copyright 2004-2008 the Seasar Foundation and the Others.

  *

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  *     http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, 

  * either express or implied. See the License for the specific language

  * governing permissions and limitations under the License.

  */

 package org.seasar.uruma.renderer.impl;

 import org.eclipse.jface.viewers.IBaseLabelProvider;

 import org.eclipse.jface.viewers.TableViewer;

 import org.eclipse.swt.widgets.TableColumn;

 import org.seasar.uruma.component.jface.TableColumnComponent;

 import org.seasar.uruma.context.PartContext;

 import org.seasar.uruma.context.WidgetHandle;

 import org.seasar.uruma.viewer.GenericTableLabelProvider;

 /**

  * {@link TableColumn} のレンダリングを行うクラスです。<br />

  * 

  * @author bskuroneko

  */

 public class TableColumnRenderer extends

         AbstractWidgetRenderer<TableColumnComponent, TableColumn> {

     /*

      * @see org.seasar.uruma.renderer.impl.AbstractWidgetRenderer#doRender(org.seasar.uruma.component.UIComponent,

      *      org.eclipse.swt.widgets.Widget)

      */

     @Override

     protected void doRender(final TableColumnComponent uiComponent,

             final TableColumn widget) {

         // widget.pack();

         setupColumnMap(uiComponent, widget);

     }

     /*

      * @see org.seasar.uruma.renderer.impl.AbstractWidgetRenderer#getWidgetType()

      */

     @Override

     protected Class<TableColumn> getWidgetType() {

         return TableColumn.class;

     }

     private void setupColumnMap(final TableColumnComponent uiComponent,

             final TableColumn widget) {

         int columnNo = uiComponent.columnNo;

         String id = uiComponent.getId();

         String parentId = uiComponent.getParent().getId();

         PartContext context = getContext();

         WidgetHandle parentHandle = context.getWidgetHandle(parentId);

         if (parentHandle != null && parentHandle.instanceOf(TableViewer.class)) {

             TableViewer viewer = parentHandle.<TableViewer> getCastWidget();

             IBaseLabelProvider baseLabelProvider = viewer.getLabelProvider();

             if (baseLabelProvider instanceof GenericTableLabelProvider) {

                 GenericTableLabelProvider provider = (GenericTableLabelProvider) baseLabelProvider;

                 provider.addColumnMap(columnNo, id);

             }

         }

     }

 }