Package org.beryl.gui.builder

Source Code of org.beryl.gui.builder.IconAdapter

/*
* Beryl - A web platform based on XML, XSLT and Java
* This file is part of the Beryl XML GUI
*
* Copyright (C) 2004 Wenzel Jakob <wazlaf@tigris.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.

* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-3107  USA
*/
package org.beryl.gui.builder;

import javax.swing.ImageIcon;

import org.beryl.gui.GUIException;
import org.beryl.gui.ImageIconFactory;
import org.beryl.gui.MessageDialog;
import org.beryl.gui.Widget;
import org.beryl.gui.XMLUtils;
import org.beryl.gui.model.MapDataModel;
import org.beryl.gui.model.TableRow;
import org.beryl.gui.table.ImageRenderer;
import org.beryl.gui.table.TableEditor;
import org.beryl.gui.table.TableRenderer;
import org.beryl.gui.widgets.Panel;
import org.beryl.gui.widgets.Table;
import org.beryl.gui.widgets.TextField;
import org.w3c.dom.Element;

public class IconAdapter implements PropertyAdapter {
  private TableRenderer iconRenderer = null;
  private TableEditor iconEditor = null;

  private class IconEditor implements TableEditor {
    public Widget getEditor(Table table, Object value, TableRow row, String key) throws GUIException {
      MapDataModel dataModel = new MapDataModel() {
        public Object getValue(String key) {
          if (key.equals("value")) {
            try {
              return ImageIconFactory.getIcon((String) super.getValue("value_str"));
            } catch (Exception e) {
              new MessageDialog(e);
            }
          }
          return super.getValue(key);
        }

      };

      dataModel.setValue("value", value);
      dataModel.setValue("value_str", value.toString());

      Panel panel = new Panel(null, null);
      TextField textField = new TextField(panel, null);
      textField.setProperty("key", "value_str");
      textField.finalizeConstruction();

      panel.addChild(textField, null);
      panel.recursiveSetDataModel(dataModel);

      return panel;
    }
  }

  public IconAdapter() {
    iconRenderer = new ImageRenderer();
    iconEditor = new IconEditor();
  }

  public TableEditor getEditor() {
    return iconEditor;
  }

  public TableRenderer getRenderer() {
    return iconRenderer;
  }

  public Object toValue(Object value, Element propertyNode) {
    ((ImageIcon) value).setDescription(XMLUtils.extractTextChildren(propertyNode));
    return value;
  }

  public void toDOM(Object value, Element propertyNode) {
    try {
      if (value instanceof String)
        value = ImageIconFactory.getIcon((String) value);
    } catch (Exception e) {
      /* Should not happen */
      throw new RuntimeException("Error while loading icon", e);
    }
    propertyNode.appendChild(propertyNode.getOwnerDocument().createTextNode(((ImageIcon) value).getDescription()));
  }
}
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