ro.fortsoft.wicket.dashboard.web.WidgetHeaderPanel.java Source code

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Here is the source code for ro.fortsoft.wicket.dashboard.web.WidgetHeaderPanel.java

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/*
 * Copyright 2012 Decebal Suiu
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this work except in compliance with
 * the License. You may obtain a copy of the License in the LICENSE file, or 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 ro.fortsoft.wicket.dashboard.web;

import org.apache.wicket.AttributeModifier;
import org.apache.wicket.ajax.AjaxEventBehavior;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.markup.head.IHeaderResponse;
import org.apache.wicket.markup.head.OnDomReadyHeaderItem;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.image.Image;
import org.apache.wicket.markup.html.panel.GenericPanel;
import org.apache.wicket.model.AbstractReadOnlyModel;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.PropertyModel;
import org.apache.wicket.request.resource.PackageResourceReference;
import org.apache.wicket.request.resource.ResourceReference;
import ro.fortsoft.wicket.dashboard.Dashboard;
import ro.fortsoft.wicket.dashboard.Widget;

/**
 * @author Decebal Suiu
 */
public class WidgetHeaderPanel extends GenericPanel<Widget> implements DashboardContextAware {

    private static final long serialVersionUID = 1L;

    private transient DashboardContext dashboardContext;

    public WidgetHeaderPanel(String id, IModel<Widget> model) {
        super(id, model);

        setMarkupId("header-" + getModelObject().getId());

        final Image toggle = new Image("toggle", "") {

            @Override
            protected ResourceReference getImageResourceReference() {
                String name = getWidget().isCollapsed() ? "res/up.png" : "res/down.png";

                return new PackageResourceReference(WidgetHeaderPanel.class, name);
            }

        };

        toggle.setOutputMarkupId(true);
        toggle.add(new AjaxEventBehavior("onclick") {

            private static final long serialVersionUID = 1L;

            @Override
            protected void onEvent(AjaxRequestTarget target) {
                Widget widget = getWidget();

                // change widget's collapsed property
                widget.setCollapsed(!widget.isCollapsed());

                // save the new state of widget/dashboard
                Dashboard dashboard = findParent(DashboardPanel.class).getDashboard();
                dashboardContext.getDashboardPersister().save(dashboard);

                // change toggle's image
                target.add(toggle);

                // hide/show the widget's view
                WidgetView widgetView = findParent(WidgetPanel.class).getWidgetView();
                target.add(widgetView);
            }

        });
        toggle.add(new AttributeModifier("title", new AbstractReadOnlyModel<String>() {

            private static final long serialVersionUID = 1L;

            @Override
            public String getObject() {
                return getWidget().isCollapsed() ? getString("expand") : getString("collapse");
            }

        }));
        add(toggle);

        add(new Label("title", new PropertyModel(model, "title")));

        WidgetActionsPanel actionsPanel = new WidgetActionsPanel("actions", model);
        add(actionsPanel);
    }

    public Widget getWidget() {
        return getModelObject();
    }

    @Override
    public void setDashboardContext(DashboardContext dashboardContext) {
        this.dashboardContext = dashboardContext;
    }

    @Override
    public void renderHead(IHeaderResponse response) {
        super.renderHead(response);

        StringBuilder statement = new StringBuilder("$('#").append(getMarkupId())
                .append("').on('mouseover', function(ev) {");
        statement.append(" $(this).find('.dragbox-actions').show();").append("}).on('mouseout', function(ev) {")
                .append(" $(this).find('.dragbox-actions').hide();").append("});");

        response.render(OnDomReadyHeaderItem.forScript(statement.toString()));
    }

}