Package org.jboss.ballroom.client.widgets.tables

Source Code of org.jboss.ballroom.client.widgets.tables.OptionCell

/*
* JBoss, Home of Professional Open Source
* Copyright 2011 Red Hat Inc. and/or its affiliates and other contributors
* as indicated by the @author tags. All rights reserved.
* See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* 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,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA  02110-1301, USA.
*/

package org.jboss.ballroom.client.widgets.tables;

import com.google.gwt.cell.client.AbstractCell;
import com.google.gwt.cell.client.ActionCell;
import com.google.gwt.cell.client.ValueUpdater;
import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.NativeEvent;
import com.google.gwt.safehtml.shared.SafeHtml;
import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
import com.google.gwt.safehtml.shared.SafeHtmlUtils;

public class OptionCell extends AbstractCell<String> {

  private final SafeHtml html;
  private final ActionCell.Delegate<String> delegate;


  public OptionCell(SafeHtml message, ActionCell.Delegate<String> delegate) {
    super("click", "keydown");
    this.delegate = delegate;
    this.html = new SafeHtmlBuilder().appendHtmlConstant(
        "<div tabindex=\"-1\" class='row-tools'>").append(message).appendHtmlConstant(
        "</div>").toSafeHtml();
  }

  public OptionCell(String text, ActionCell.Delegate<String> delegate) {
    this(SafeHtmlUtils.fromString(text), delegate);
  }

  @Override
  public void onBrowserEvent(Context context, Element parent, String value,
      NativeEvent event, ValueUpdater<String> valueUpdater) {
    super.onBrowserEvent(context, parent, value, event, valueUpdater);
    if ("click".equals(event.getType())) {
      onEnterKeyDown(context, parent, value, event, valueUpdater);
    }
  }

  @Override
  public void render(Context context, String value, SafeHtmlBuilder sb) {
    sb.append(html);
  }

  @Override
  protected void onEnterKeyDown(Context context, Element parent, String value,
      NativeEvent event, ValueUpdater<String> valueUpdater) {
        delegate.execute(String.valueOf(context.getIndex()));
  }
}
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