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/*
@ITMillApache2LicenseForJavaFiles@
*/
package com.itmill.toolkit.tests.book;
import com.itmill.toolkit.Application;
import com.itmill.toolkit.data.Property;
import com.itmill.toolkit.ui.AbstractSelect;
import com.itmill.toolkit.ui.CustomComponent;
import com.itmill.toolkit.ui.Label;
import com.itmill.toolkit.ui.NativeSelect;
import com.itmill.toolkit.ui.OptionGroup;
import com.itmill.toolkit.ui.OrderedLayout;
import com.itmill.toolkit.ui.Select;
import com.itmill.toolkit.ui.TwinColSelect;
/* Let us add an implementation of the ValueChangeListener interface. */
public class SelectExample extends CustomComponent implements
Property.ValueChangeListener {
class Planet extends Object {
String planetName;
Planet(String name) {
planetName = name;
}
@Override
public String toString() {
return "The Planet " + planetName;
}
}
/* Create the Select object with a caption. */
AbstractSelect select;
OrderedLayout layout = new OrderedLayout(OrderedLayout.ORIENTATION_VERTICAL);
Label status = new Label("");
SelectExample(Application application, String param, String caption,
boolean multiselect) {
if (param.equals("optiongroup")) {
select = new OptionGroup(caption);
select.setMultiSelect(multiselect);
} else if (param.equals("twincol")) {
select = new TwinColSelect(caption);
} else if (param.equals("native")) {
select = new NativeSelect(caption);
} else if (param.equals("filter")) {
select = new Select(caption);
((Select) select)
.setFilteringMode(AbstractSelect.Filtering.FILTERINGMODE_CONTAINS);
} else {
select = new Select(caption);
select.setMultiSelect(multiselect);
}
layout.addComponent(select);
setCompositionRoot(layout);
/* Fill the component with some items. */
final String[] planets = new String[] { "Mercury", "Venus", "Earth",
"Mars", "Jupiter", "Saturn", "Uranus", "Neptune" };
for (int i = 0; i < planets.length; i++) {
select.addItem(planets[i]);
/* Create an item with an Integer as the Item ID. */
// select.addItem(i);
// select.addItem(new Planet(planets[i]));
/* Set the visible caption of the item. */
// select.setItemCaption(i, planets[i]);
/*
* ClassResource icon = new ClassResource
* ("images/"+planets[i]+"_symbol.png", application);
* layout.addComponent(new Embedded ("Icon", icon));
* select.setItemIcon(i, icon);
*/
}
/*
* By default, the change event is not triggered immediately when the
* selection changes. This enables it.
*/
select.setImmediate(true);
/* Listen for changes in the selection. */
select.addListener(this);
// select.setStyle("twincol");
// select.setMultiSelect(true);
// select.setNewItemsAllowed(true);
// int a=1;
// select.setItemCaptionMode(Select.ITEM_CAPTION_MODE_ICON_ONLY);
// select.setNullSelectionItemId("-- select somethingd --");
// select.setNullSelectionAllowed(false);
layout.addComponent(status);
}
/* Respond to change in the selection. */
public void valueChange(Property.ValueChangeEvent event) {
/*
* The event.getProperty() returns the component. The currently selected
* item is the property of the component, retrievable with getValue().
*/
if (false) {
status.setValue("Currently selected item ID: "
+ event.getProperty().getValue() + "<br/>"
+ "Class of the Item ID: "
+ event.getProperty().getValue().getClass().getName()
+ "<br/>" + "Caption: "
+ select.getItemCaption(event.getProperty().getValue()));
status.setContentMode(Label.CONTENT_XHTML);
}
}
}
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