/*
* OpenFaces - JSF Component Library 2.0
* Copyright (C) 2007-2012, TeamDev Ltd.
* licensing@openfaces.org
* Unless agreed in writing the contents of this file are subject to
* the GNU Lesser General Public License Version 2.1 (the "LGPL" License).
* This library 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.
* Please visit http://openfaces.org/licensing/ for more details.
*/
package org.openfaces.renderkit.chart;
import org.openfaces.component.chart.Chart;
import org.openfaces.component.command.MenuItem;
import org.openfaces.component.command.PopupMenu;
import org.openfaces.renderkit.command.MenuItemRenderer;
import org.openfaces.util.Resources;
import org.openfaces.util.ScriptBuilder;
import javax.faces.FacesException;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import java.io.IOException;
public class SaveChartMenuItemRenderer extends MenuItemRenderer {
@Override
public void encodeBegin(FacesContext context, UIComponent component) throws IOException {
MenuItem menuItem = (MenuItem) component;
if (menuItem.getValue() == null)
menuItem.setValue("Save");
menuItem.setOnclick(new ScriptBuilder().functionCall("O$.ChartMenu._saveChart",
getChart("<o:saveChartMenuItem>", menuItem)).getScript());
if (menuItem.getIconUrl() == null)
menuItem.setIconUrl(Resources.internalURL(
context, null, "chart/save.png", false));
super.encodeBegin(context, component);
}
protected Chart getChart(String tagName, MenuItem menuItem) {
UIComponent parent = menuItem.getParent();
while (parent != null && (parent instanceof MenuItem || parent instanceof PopupMenu))
parent = parent.getParent();
if (!(parent instanceof Chart))
throw new FacesException(tagName + " can only be added as a child of " +
"the <o:chart> component (either directly or as its sub-menu).");
return (Chart) parent;
}
}