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package com.itmill.toolkit.demo.featurebrowser;
import com.itmill.toolkit.data.Property.ValueChangeEvent;
import com.itmill.toolkit.terminal.ExternalResource;
import com.itmill.toolkit.ui.Embedded;
import com.itmill.toolkit.ui.ExpandLayout;
import com.itmill.toolkit.ui.Select;
/**
* Demonstrates the use of Embedded and "suggesting" Select by creating a simple
* web-browser. Note: does not check for recursion.
*
* @author IT Mill Ltd.
* @see com.itmill.toolkit.ui.Window
*/
public class EmbeddedBrowserExample extends ExpandLayout implements
Select.ValueChangeListener {
// Default URL to open.
private static final String DEFAULT_URL = "http://www.itmill.com/index_itmill_toolkit.htm";
// The embedded page
Embedded emb = new Embedded();
public EmbeddedBrowserExample() {
this(new String[] { DEFAULT_URL,
"http:// www.itmill.com/index_developers.htm",
"http://toolkit.itmill.com/demo/doc/api/",
"http://www.itmill.com/manual/index.html" });
}
public EmbeddedBrowserExample(String[] urls) {
setSizeFull();
// create the address combobox
Select select = new Select();
// allow input
select.setNewItemsAllowed(true);
// no empty selection
select.setNullSelectionAllowed(false);
// no 'go' -button clicking necessary
select.setImmediate(true);
// add some pre-configured URLs
for (int i = 0; i < urls.length; i++) {
select.addItem(urls[i]);
}
// add to layout
addComponent(select);
// add listener and select initial URL
select.addListener(this);
select.setValue(urls[0]);
// configure the embedded and add to layout
emb.setType(Embedded.TYPE_BROWSER);
addComponent(emb);
// make the embedded as large as possible
expand(emb);
}
public void valueChange(ValueChangeEvent event) {
String url = (String) event.getProperty().getValue();
if (url != null) {
// the selected url has changed, let's go there
emb.setSource(new ExternalResource(url));
}
}
}
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