/*

  * 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.swt.SWT;

 import org.eclipse.swt.events.ControlEvent;

 import org.eclipse.swt.events.ControlListener;

 import org.eclipse.swt.graphics.Point;

 import org.eclipse.swt.widgets.Control;

 import org.eclipse.swt.widgets.CoolBar;

 import org.eclipse.swt.widgets.CoolItem;

 import org.eclipse.swt.widgets.ToolBar;

 import org.eclipse.swt.widgets.ToolItem;

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

 import org.seasar.uruma.context.PartContext;

 import org.seasar.uruma.context.WidgetHandle;

 /**

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

  * 

  * @author bskuroneko

  */

 public class CoolBarRenderer extends

         AbstractCompositeRenderer<CoolBarComponent, CoolBar> {

     /*

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

      *      org.eclipse.swt.widgets.Composite)

      */

     @Override

     protected void doRenderComposite(final CoolBarComponent controlComponent,

             final CoolBar 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 CoolBar widget,

             final CoolBarComponent uiComponent, final WidgetHandle parent,

             final PartContext context) {

         setChildlenSize(widget, uiComponent);

         setResizeListener(widget, uiComponent);

     }

     private void setChildlenSize(final CoolBar widget,

             final CoolBarComponent uiComponent) {

         for (CoolItem item : widget.getItems()) {

             Control control = item.getControl();

             if (control == null) {

                 continue;

             }

             Point controlSize = control.computeSize(SWT.DEFAULT, SWT.DEFAULT);

             Point itemSize = item.computeSize(controlSize.x, controlSize.y);

             Point minimumSize = controlSize;

             if (control instanceof ToolBar) {

                 ToolBar bar = (ToolBar) control;

                 if (bar.getItemCount() > 0) {

                     ToolItem toolItem = bar.getItem(0);

                     minimumSize = new Point(toolItem.getBounds().width,

                             toolItem.getBounds().height);

                 }

             }

             item.setMinimumSize(minimumSize);

             item.setPreferredSize(itemSize);

             item.setSize(itemSize);

         }

     }

     private void setResizeListener(final CoolBar widget,

             final CoolBarComponent uiComponent) {

         widget.addControlListener(new ControlListener() {

             public void controlMoved(final ControlEvent event) {

             }

             public void controlResized(final ControlEvent event) {

                 widget.getParent().layout();

             }

         });

     }

     /*

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

      */

     @Override

     protected Class<CoolBar> getWidgetType() {

         return CoolBar.class;

     }

 }