org.dyno.visual.swing.designer.WidgetSelection.java Source code

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Here is the source code for org.dyno.visual.swing.designer.WidgetSelection.java

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/************************************************************************************
 * Copyright (c) 2008 William Chen.                                                 *
 *                                                                                  *
 * 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 *
 *                                                                                  *
 * Use is subject to the terms of Eclipse Public License v1.0.                      *
 *                                                                                  *
 * Contributors:                                                                    * 
 *     William Chen - initial API and implementation.                               *
 ************************************************************************************/

package org.dyno.visual.swing.designer;

import java.awt.Component;
import java.util.ArrayList;
import java.util.List;

import javax.swing.JComponent;
import javax.swing.JPopupMenu;

import org.dyno.visual.swing.base.JavaUtil;
import org.dyno.visual.swing.plugin.spi.CompositeAdapter;
import org.dyno.visual.swing.plugin.spi.WidgetAdapter;
import org.eclipse.jface.viewers.IStructuredSelection;

/**
 * 
 * WidgetSelection
 *
 * @version 1.0.0, 2008-7-3
 * @author William Chen
 */
@SuppressWarnings("unchecked")
public class WidgetSelection extends ArrayList<Component> implements IStructuredSelection {
    private static final long serialVersionUID = -7010445264838695570L;

    public WidgetSelection(Component comp) {
        addSelection(comp);
    }

    private void addSelection(Component comp) {
        WidgetAdapter adapter = WidgetAdapter.getWidgetAdapter(comp);
        if (adapter == null)
            return;
        if (adapter.isSelected())
            add(adapter.getWidget());
        if (comp instanceof JComponent) {
            JComponent jcomp = (JComponent) comp;
            JPopupMenu jpopup = JavaUtil.getComponentPopupMenu(jcomp);
            if (jpopup != null && WidgetAdapter.getWidgetAdapter(jpopup) != null) {
                addSelection(jpopup);
            }
        }
        if (adapter instanceof CompositeAdapter) {
            CompositeAdapter compositeAdapter = (CompositeAdapter) adapter;
            int count = compositeAdapter.getChildCount();
            for (int i = 0; i < count; i++) {
                comp = compositeAdapter.getChild(i);
                addSelection(comp);
            }
        }
    }

    public Object getFirstElement() {
        return isEmpty() ? null : get(0);
    }

    public List toList() {
        return this;
    }
}