org.obiba.onyx.wicket.toggle.ToggleLink.java Source code

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Here is the source code for org.obiba.onyx.wicket.toggle.ToggleLink.java

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/*******************************************************************************
 * Copyright 2008(c) The OBiBa Consortium. All rights reserved.
 * 
 * This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package org.obiba.onyx.wicket.toggle;

import org.apache.wicket.Component;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.markup.html.AjaxLink;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.panel.Panel;
import org.apache.wicket.model.IModel;

/**
 * A labeled toggle link, for showing or hiding a component.
 */
public class ToggleLink extends Panel {

    private static final long serialVersionUID = 40843245024083743L;

    private Label toggleLabel;

    /**
     * Constructor.
     * @param id
     * @param showModel
     * @param hideModel
     * @param toggle
     */
    @SuppressWarnings("serial")
    public ToggleLink(String id, final IModel showModel, final IModel hideModel, final Component toggle) {
        super(id);
        setOutputMarkupId(true);
        toggle.getParent().setOutputMarkupId(true);

        AjaxLink link = new AjaxLink("link") {

            @Override
            public void onClick(AjaxRequestTarget target) {
                toggle.setVisible(!toggle.isVisible());
                if (toggle.isVisible()) {
                    toggleLabel.setDefaultModel(hideModel);
                } else {
                    toggleLabel.setDefaultModel(showModel);
                }
                target.addComponent(toggle.getParent());
            }

        };
        add(link);

        link.add(toggleLabel = new Label("label", showModel));
        toggle.setVisible(false);
    }

    public void setLabelEscapeModelStrings(boolean escapeMarkup) {
        toggleLabel.setEscapeModelStrings(escapeMarkup);
    }

}