diff options
Diffstat (limited to 'src/com/itmill/toolkit/demo/featurebrowser/WindowingExample.java')
| -rw-r--r-- | src/com/itmill/toolkit/demo/featurebrowser/WindowingExample.java | 73 |
1 files changed, 68 insertions, 5 deletions
diff --git a/src/com/itmill/toolkit/demo/featurebrowser/WindowingExample.java b/src/com/itmill/toolkit/demo/featurebrowser/WindowingExample.java index 2871aef769..891e450dbe 100644 --- a/src/com/itmill/toolkit/demo/featurebrowser/WindowingExample.java +++ b/src/com/itmill/toolkit/demo/featurebrowser/WindowingExample.java @@ -3,8 +3,15 @@ */
package com.itmill.toolkit.demo.featurebrowser;
+import java.net.URL;
+
+import com.itmill.toolkit.terminal.ExternalResource;
+import com.itmill.toolkit.ui.Button;
import com.itmill.toolkit.ui.CustomComponent;
+import com.itmill.toolkit.ui.Label;
import com.itmill.toolkit.ui.OrderedLayout;
+import com.itmill.toolkit.ui.Window;
+import com.itmill.toolkit.ui.Button.ClickEvent;
/**
* @author marc
@@ -12,17 +19,73 @@ import com.itmill.toolkit.ui.OrderedLayout; */
public class WindowingExample extends CustomComponent {
- public static final String txt = "There are two main types of windows:";
+ public static final String txt = "<p>There are two main types of windows: application-level windows, and"
+ + "\"subwindows\". </p><p> A subwindow is rendered as a \"inline\" popup window"
+ + " within the (native) browser window to which it was added. You can create"
+ + " a subwindow by creating a new Window and adding it to a application-level window, for instance"
+ + " your main window. </p><p> In contrast, you create a application-level window by"
+ + " creating a new Window and adding it to the Application. Application-level"
+ + " windows are not shown by default - you need to open a browser window for"
+ + " the url representing the window. You can think of the application-level"
+ + " windows as separate views into your application - and a way to create a"
+ + " \"native\" browser window. </p><p> Depending on your needs, it's also"
+ + " possible to create a new window instance (with it's own internal state)"
+ + " for each new (native) browser window, or you can share the same instance"
+ + " (and state) between several browser windows (the latter is most useful"
+ + " for read-only views).</p>";
- /*
- * application-level windows, and
- *
- */
+ private URL windowUrl = null;
public WindowingExample() {
OrderedLayout main = new OrderedLayout();
+ main.setMargin(true);
setCompositionRoot(main);
+ Label l = new Label(txt);
+ l.setContentMode(Label.CONTENT_XHTML);
+ main.addComponent(l);
+
+ main.addComponent(new Button("Create a new subwindow",
+ new Button.ClickListener() {
+ public void buttonClick(ClickEvent event) {
+ Window w = new Window("Subwindow");
+ Label l = new Label(txt);
+ l.setContentMode(Label.CONTENT_XHTML);
+ w.addComponent(l);
+ getApplication().getMainWindow().addWindow(w);
+ }
+ }));
+ main.addComponent(new Button(
+ "Open a application-level window, with shared state",
+ new Button.ClickListener() {
+ public void buttonClick(ClickEvent event) {
+ if (windowUrl == null) {
+ Window w = new Window("Subwindow");
+ Label l = new Label(txt);
+ l.setContentMode(Label.CONTENT_XHTML);
+ w.addComponent(l);
+ getApplication().addWindow(w);
+ windowUrl = w.getURL();
+ }
+ getApplication().getMainWindow().open(
+ new ExternalResource(windowUrl), "_new");
+ }
+ }));
+ main.addComponent(new Button(
+ "Create a new application-level window, with it's own state",
+ new Button.ClickListener() {
+ public void buttonClick(ClickEvent event) {
+ Window w = new Window("Subwindow");
+ getApplication().addWindow(w);
+ Label l = new Label(w.getName());
+ l
+ .setCaption("Each opened window has a separate value:");
+ w.addComponent(l);
+ getApplication().getMainWindow().open(
+ new ExternalResource(w.getURL()), "_new");
+ }
+ }));
+
}
}
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