/*

  * 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.swt.SWT;

 import org.eclipse.swt.custom.CTabFolder;

 import org.eclipse.swt.graphics.Color;

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

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

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

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

 import org.seasar.uruma.context.PartContext;

 import org.seasar.uruma.context.WidgetHandle;

 import org.seasar.uruma.renderer.RendererSupportUtil;

 /**

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

  * 

  * @author bskuroneko

  */

 public class CTabFolderRenderer extends

         AbstractCompositeRenderer<CTabFolderComponent, CTabFolder> {

     /*

      * @see org.seasar.uruma.renderer.impl.AbstractCompositeRenderer#doRenderComposite(org.seasar.uruma.component.jface.CompositeComponent,

      *      org.eclipse.swt.widgets.Composite)

      */

     @Override

     protected void doRenderComposite(

             final CTabFolderComponent controlComponent, final CTabFolder control) {

         setSelectionBackground(controlComponent, control);

     }

     /*

      * @see org.seasar.uruma.renderer.impl.AbstractWidgetRenderer#doRenderAfter(org.eclipse.swt.widgets.Widget,

      *      org.seasar.uruma.component.UIComponent,

      *      org.seasar.uruma.context.WidgetHandle,

      *      org.seasar.uruma.context.PartContext)

      */

     @Override

     protected void doRenderAfter(final CTabFolder widget,

             final CTabFolderComponent uiComponent, final WidgetHandle parent,

             final PartContext context) {

         setSelection(uiComponent, widget);

     }

     private void setSelectionBackground(

             final CTabFolderComponent controlComponent, final CTabFolder control) {

         GradientInfo gradientInfo = controlComponent

                 .getSelectionBackgroundGradient();

         if (gradientInfo != null) {

             List<GradientItem> gradientItems = gradientInfo.getGradientItems();

             Color[] colors = new Color[gradientItems.size() + 1];

             int[] percents = new int[gradientItems.size()];

             colors[0] = ((Color) RendererSupportUtil.convertValue(

                     controlComponent, gradientInfo.startColor,

                     ConversionType.COLOR));

             int i = 0;

             for (GradientItem item : gradientItems) {

                 colors[i + 1] = ((Color) RendererSupportUtil.convertValue(

                         controlComponent, item.color, ConversionType.COLOR));

                 percents[i] = ((Integer) RendererSupportUtil.convertValue(

                         controlComponent, item.percent, ConversionType.INT));

                 i++;

             }

             Boolean vertical = (Boolean) RendererSupportUtil.convertValue(

                     controlComponent, gradientInfo.vertical,

                     ConversionType.BOOLEAN);

             control.setSelectionBackground(colors, percents, vertical);

         } else {

             String value = controlComponent.selectionBackground;

             if (value == null) {

                 return;

             }

             Color color = (Color) RendererSupportUtil.convertValue(

                     controlComponent, value, ConversionType.COLOR);

             control.setSelectionBackground(color);

         }

     }

     private void setSelection(final CTabFolderComponent controlComponent,

             final CTabFolder control) {

         String value = controlComponent.selection;

         if (value == null) {

             return;

         }

         control.setSelection(Integer.parseInt(value));

     }

     /*

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

      */

     @Override

     protected int getDefaultStyle() {

         return SWT.BORDER;

     }

     /*

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

      */

     @Override

     protected Class<CTabFolder> getWidgetType() {

         return CTabFolder.class;

     }

 }