com.senacor.wbs.web.border.ToggleBorder.java Source code

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Here is the source code for com.senacor.wbs.web.border.ToggleBorder.java

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/**
 * Copyright 2009 Roland Foerther, Carl-Eric-Menzel, Olaf Siefart
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.senacor.wbs.web.border;

import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.markup.html.AjaxLink;
import org.apache.wicket.behavior.AttributeAppender;
import org.apache.wicket.markup.html.CSSPackageResource;
import org.apache.wicket.markup.html.PackageResource;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.border.Border;
import org.apache.wicket.markup.html.image.Image;
import org.apache.wicket.markup.html.link.AbstractLink;
import org.apache.wicket.model.AbstractReadOnlyModel;
import org.apache.wicket.model.IModel;

public class ToggleBorder extends Border {
    private static final long serialVersionUID = 1L;
    private boolean isExpanded = true;

    public ToggleBorder(String id, IModel titleModel) {
        super(id, titleModel);
        add(CSSPackageResource.getHeaderContribution(this.getClass(), "ToggleBorder.css"));
        setOutputMarkupId(true);
        PackageResource rollUp = PackageResource.get(ToggleBorder.this.getClass(), "up.png");
        Image rollUpImage = new Image("rollUpImage", rollUp) {
            @Override
            public boolean isVisible() {
                return isExpanded;
            }
        };
        PackageResource rollDown = PackageResource.get(ToggleBorder.this.getClass(), "down.png");
        Image rollDownImage = new Image("rollDownImage", rollDown) {
            @Override
            public boolean isVisible() {
                return !isExpanded;
            }
        };
        AbstractLink headerLink = new AjaxLink("header") {
            private static final long serialVersionUID = 1L;

            @Override
            public void onClick(AjaxRequestTarget target) {
                isExpanded = !isExpanded;
                target.addComponent(ToggleBorder.this);
            }
        };
        headerLink.add(new Label("title", titleModel));
        headerLink.add(rollUpImage);
        headerLink.add(rollDownImage);
        add(headerLink);
        final WebMarkupContainer content = new WebMarkupContainer("content");
        content.add(getBodyContainer());
        content.add(new AttributeAppender("style", true, new AbstractReadOnlyModel() {
            @Override
            public String getObject() {
                return (isExpanded ? "display:block" : "display:none");
            }
        }, ";"));
        add(content);
    }

    public boolean isExpanded() {
        return isExpanded;
    }

    public void setExpanded(boolean isExpanded) {
        this.isExpanded = isExpanded;
    }
}