Examples of org.apache.click.control.Panel

org.apache.click.control.Panel
the $time variable to the panel model panel.getModel().put("time", time); addControl(panel); } } The SimplePanelDemo template, /simple-panel-demo.htm, would reference the panel control:
```
$panel
```
The Panel template would then be merged with the Panel model and rendered in the page as:
```
Time time is now Sun Mar 15 07:32:51 EST 2009 
```
Example 2 - Localization support
In this example, we demonstrate localization support by specifying the Panel content in the SimplePanelDemo.properties file. Since the Panel model and Page model are merged at runtime, the Panel template can access the Page messages.
First we create the SimplePanelDemo.properties file which specifies two properties: heading and content.
```
 heading=Welcome content=Welcome to MyCorp<p/>MyCorp is your telecommuting office portal. Its just like being there at the office!
```
Then we create the /panel/simple-panel.htm that references the localized Page properties. Since a Page properties are made available through the $messages map, the Panel can access the Page properties using the variables $messages.header and $messages.content:
```
 <fieldset> <legend class="title"> $messages.heading </legend> $messages.content </fieldset> 
```
In our page class, SimplePageDemo, we create and add the Panel instance:
```
 public class SimplePanelDemo extends Page { public Panel panel = new Panel("panel", "/panel/simple-panel.htm"); } 
```
In the Page above we make use of Click's autobinding feature by declaring a public Panel field. Autobinding will automatically add the Panel to the Page model.
The SimplePanelDemo template, /simple-panel-demo.htm, would reference the panel control:
```
 $panel 
```
And the result is:
Welcome Welcome to MyCorp.
MyCorp is your telecommuting office portal. Its just like being there at the office!

Example 3 - Reusing and Nesting Panels
Panels provide a good way to create reusable components, and since Panel is a Container it can hold child controls, even other Panels.
In this example we create a reusable CustomerPanel which is added to a Border Panel.
First we create the /panel/customer-panel.htm template which references the $form variable:
```
 $form 
```
Next up is the CustomerPanel:
```
 public class CustomerPanel extends Panel { private Form form = new Form("form"); public CustomerPanel(String name) { super(name); // We explicitly set the customer panel template setTemplate("/panel/customer-panel.htm"); form.add(new TextField("name"); form.add(new DateField("dateJoined"); form.add(new DoubleField("holdings"); } } 
```
The Border Panel template, /panel/border-panel.htm, will draw a Border around its contents:
```
 <div> style="border: 1px solid black"> $panel </div> 
```
Lastly we specify the NestedDemo Page, that creates a Border Panel, and adds CustomerPanel as a child.
```
 public class NestedDemo extends Page { private Panel borderPanel = new Panel("borderPanel", "/panel/border-panel.htm"); private CustomerPanel customerPanel = new CustomerPanel("panel"); public void onInit() { // Add CustomerPanel to the Border panel parentPanel.add(childPanel); // Add border panel to page addControl(parentPanel); } } 
```
The Page template, /nested-demo.htm, would reference the $borderPanel variable:
```
 $borderPanel 
```
Template Model
To render the panel's template, a model is created ( {@link #createTemplateModel()}) which is merged with the template. This model will include the page model values, plus any Panel defined model values, with the Panel's values overriding the Page defined values. In addition a number of predefined values are automatically added to the model. These values include:
- attributes - the panel HTML attributes map
- context - the Servlet context path, e.g. /mycorp
- format - the page {@link Format} object for formatting the display of objects
- this - a reference to this panel object
- messages - the panel messages bundle
- request - the servlet request
- response - the servlet request
- session - the {@link SessionMap} adaptor for the users HttpSession


    public void testDefaultActivePanel() {
        MockContext.initContext();


        TabbedPanel tabbedPanel = new TabbedPanel("tabbedPanel");
        tabbedPanel.add(new Panel("panel1"));
        tabbedPanel.add(new Panel("panel2"));
        tabbedPanel.onInit();
        String activePanelName = tabbedPanel.getActivePanel().getName();


        // By default panel1 should be the active panel
        assertEquals("panel1", activePanelName);

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        // Since tabbedPanel is zero index based, setting tabPanelIndex to 1
        // should set the active panel to panel2
        context.getMockRequest().setParameter("tabPanelIndex", "1");


        TabbedPanel tabbedPanel = new TabbedPanel("tabbedPanel");
        tabbedPanel.add(new Panel("panel1"));
        tabbedPanel.add(new Panel("panel2"));
        tabbedPanel.onInit();
        String activePanelName = tabbedPanel.getActivePanel().getName();


        // By default panel2 should be the active panel
        assertEquals("panel2", activePanelName);

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        // Simulate user selecting panel2
        context.getMockRequest().setParameter(ActionLink.ACTION_LINK, "tabLink");
        context.getMockRequest().setParameter(ActionLink.VALUE, "panel2");


        TabbedPanel tabbedPanel = new TabbedPanel("tabbedPanel");
        tabbedPanel.add(new Panel("panel1"));
        tabbedPanel.add(new Panel("panel2"));
        tabbedPanel.onInit();
        String activePanelName = tabbedPanel.getActivePanel().getName();


        // By default panel2 should be the active panel
        assertEquals("panel2", activePanelName);

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        // Simulate user selecting panel2
        context.getMockRequest().setParameter(ActionLink.ACTION_LINK, "tabLink");
        context.getMockRequest().setParameter(ActionLink.VALUE, "panel2");


        TabbedPanel tabbedPanel = new TabbedPanel("tabbedPanel");
        tabbedPanel.add(new Panel("panel1"));
        tabbedPanel.add(new Panel("panel2"));


        tabbedPanel.setTabListener(new ActionListener() {
            public boolean onAction(Control source) {
                return false;
            }

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        Page page = new Page();
        TabbedPanel panel = new TabbedPanel("panel");
        page.addControl(panel);


        // Add two panels named child1 and child2
        Panel child1 = new Panel("child1");
        Panel child2 = new Panel("child2");
        panel.add(child1);
        panel.add(child2);


        // Execute onInit event
        panel.onInit();


        assertEquals(3, panel.getControlMap().size());
        assertEquals(3, panel.getControls().size());
        assertSame(child1, panel.getControls().get(1));
        assertSame(child2, panel.getControls().get(2));
        assertSame(child1, panel.getPanels().get(0));
        assertSame(child2, panel.getPanels().get(1));
        assertTrue(child1.isActive());
        assertFalse(child2.isActive());


        // Add another two panels named child1 and child2 and test that these
        // panels replaces the previous panels
        child1 = new Panel("child1");
        child2 = new Panel("child2");
        panel.add(child1);
        panel.add(child2);
        assertEquals(3, panel.getControlMap().size());
        assertEquals(3, panel.getControls().size());
        assertSame(child1, panel.getControls().get(1));
        assertSame(child2, panel.getControls().get(2));
        assertSame(child1, panel.getPanels().get(0));
        assertSame(child2, panel.getPanels().get(1));
        assertTrue(child1.isActive());
        assertFalse(child2.isActive());
    }

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     * @param control the control to process
     */
    public void processControl(Control control) {
        // Don't process inactive panels
        if (control instanceof Panel) {
            Panel panel = (Panel) control;
            if (!panel.isActive()) {
                return;
            }
        }


        processHeadElements(control.getHeadElements());

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    @Resource(name="customerService")
    private CustomerService customerService;


    public ListPanelDemo() {
        listPanel.add(new Panel("panel1", "/panel/customersPanel1.htm"));
        listPanel.add(new Panel("panel2", "/panel/customersPanel2.htm"));
        listPanel.add(new Panel("panel3", "/panel/customersPanel3.htm"));
    }

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    private CustomerService customerService;


    // Constructor ------------------------------------------------------------


    public TabbedPanelDemo() {
        Panel panel1 = new Panel("panel1", "panel/customersPanel1.htm");
        panel1.setLabel("The First Panel");
        tabbedPanel.add(panel1);


        Panel panel2 = new Panel("panel2", "panel/customersPanel2.htm");
        panel2.setLabel("The Second Panel");
        tabbedPanel.add(panel2);


        Panel panel3 = new Panel("panel3", "panel/customersPanel3.htm");
        panel3.setLabel("The Third Panel");
        tabbedPanel.add(panel3);


        // Register a listener that is notified when a different panel is selected.
        tabbedPanel.setTabListener(this, "onTabClick");
    }

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     *     of the control is not defined or the container already contains a
     *     control with the same name
     */
    @Override
    public Control insert(Control control, int index) {
        Panel panel = null;
        if (control instanceof Panel) {
            panel = (Panel) control;
            panel.setActive(false);
        }


        super.insert(control, index);


        if (panel != null) {

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    @Override
    public Control replace(Control currentControl, Control newControl) {
        super.replace(currentControl, newControl);


        if (currentControl instanceof Panel) {
            Panel currentPanel = (Panel) currentControl;
            if (currentPanel == getActivePanel()) {
                setActivePanel((Panel) newControl);
            }
        }
        return newControl;

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Related Classes of org.apache.click.control.Panel

org.apache.click.Context

org.apache.click.Control

org.apache.click.examples.page.panel.ListPanelDemo

org.apache.click.examples.page.panel.StatefulTabbedPanelDemo

org.apache.click.examples.page.panel.TabbedPanelDemo

org.apache.click.examples.page.panel.TabbedPanelWithControls

org.apache.click.extras.panel.TabbedPanel

org.apache.click.extras.panel.TabbedPanelTest

org.apache.click.Page

org.apache.click.util.Format

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Examples of org.apache.click.control.Panel

Example 2 - Localization support

Example 3 - Reusing and Nesting Panels

Template Model

Related Classes of org.apache.click.control.Panel