/*

  * 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 java.util.List;

 import org.eclipse.jface.viewers.IBaseLabelProvider;

 import org.eclipse.jface.viewers.TableViewer;

 import org.eclipse.jface.viewers.ViewerComparator;

 import org.eclipse.swt.SWT;

 import org.eclipse.swt.widgets.Table;

 import org.seasar.uruma.annotation.RenderingPolicy.ConversionType;

 import org.seasar.uruma.component.UICompositeComponent;

 import org.seasar.uruma.component.UIElement;

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

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

 import org.seasar.uruma.context.PartContext;

 import org.seasar.uruma.context.WidgetHandle;

 import org.seasar.uruma.renderer.RendererSupportUtil;

 import org.seasar.uruma.viewer.GenericTableLabelProvider;

 import org.seasar.uruma.viewer.GenericTableViewerComparator;

 import org.seasar.uruma.viewer.PojoLabelProvider;

 import org.seasar.uruma.viewer.PojoTableLabelProvider;

 /**

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

  * 

  * @author bskuroneko

  */

 public class TableViewerRenderer extends

         AbstractViewerRenderer<TableComponent, TableViewer, Table> {

     /*

      * @see org.seasar.uruma.renderer.impl.AbstractViewerRenderer#canCreateViewer(org.seasar.uruma.component.UICompositeComponent)

      */

     @Override

     protected boolean canCreateViewer(final UICompositeComponent component) {

         // TableItemComponent が存在する場合、Viewer を生成しない

         List<UIElement> children = component.getChildren();

         for (UIElement child : children) {

             if (child instanceof TableItemComponent) {

                 return false;

             }

         }

         return true;

     }

     /*

      * @see org.seasar.uruma.renderer.impl.AbstractViewerRenderer#doRenderAfter(org.eclipse.jface.viewers.Viewer,

      *      org.seasar.uruma.component.jface.CompositeComponent,

      *      org.seasar.uruma.context.WidgetHandle,

      *      org.seasar.uruma.context.PartContext)

      */

     @Override

     protected void doRenderAfter(final TableViewer viewer,

             final TableComponent uiComponent, final WidgetHandle parent,

             final PartContext context) {

         // TODO ISelection を用いた設定に変更する

         String selection = uiComponent.selection;

         if (selection != null) {

             Table table = viewer.getTable();

             table.setSelection((int[]) RendererSupportUtil.convertValue(

                     uiComponent, selection, ConversionType.INT_ARRAY));

         }

     }

     /*

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

      */

     @Override

     protected Class<Table> getWidgetType() {

         return Table.class;

     }

     /*

      * @see org.seasar.uruma.renderer.impl.AbstractRenderer#getDefaultStyle()

      */

     @Override

     protected int getDefaultStyle() {

         return SWT.FULL_SELECTION | SWT.MULTI | SWT.BORDER;

     }

     /*

      * @see org.seasar.uruma.renderer.impl.AbstractViewerRenderer#getViewerType()

      */

     @Override

     protected Class<TableViewer> getViewerType() {

         return TableViewer.class;

     }

     /*

      * @see org.seasar.uruma.renderer.impl.AbstractViewerRenderer#getDefaultLabelProvider()

      */

     @Override

     protected IBaseLabelProvider getDefaultLabelProvider() {

         return new GenericTableLabelProvider();

     }

     /*

      * @see org.seasar.uruma.renderer.impl.AbstractViewerRenderer#getPojoLabelProviderClass()

      */

     @Override

     protected Class<? extends PojoLabelProvider> getPojoLabelProviderClass() {

         return PojoTableLabelProvider.class;

     }

     /*

      * @see org.seasar.uruma.renderer.impl.AbstractViewerRenderer#getDefaultComparator()

      */

     @Override

     protected ViewerComparator getDefaultComparator() {

         return new GenericTableViewerComparator();

     }

 }