/*
* ManipulatorControlPicker.java
*
* Copyright (C) 2009-12 by RStudio, Inc.
*
* Unless you have received this program directly from RStudio pursuant
* to the terms of a commercial license agreement with RStudio, then
* this program is licensed to you under the terms of version 3 of the
* GNU Affero General Public License. This program is distributed WITHOUT
* ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING THOSE OF NON-INFRINGEMENT,
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Please refer to the
* AGPL (http://www.gnu.org/licenses/agpl-3.0.txt) for more details.
*
*/
package org.rstudio.studio.client.workbench.views.plots.ui.manipulator;
import org.rstudio.studio.client.workbench.views.plots.model.Manipulator;
import com.google.gwt.core.client.JsArrayString;
import com.google.gwt.event.dom.client.ChangeEvent;
import com.google.gwt.event.dom.client.ChangeHandler;
import com.google.gwt.json.client.JSONString;
import com.google.gwt.user.client.ui.HasHorizontalAlignment;
import com.google.gwt.user.client.ui.HasVerticalAlignment;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.ListBox;
public class ManipulatorControlPicker extends ManipulatorControl
{
public ManipulatorControlPicker(
String variable,
String value,
Manipulator.Picker picker,
final ManipulatorChangedHandler changedHandler)
{
super(variable, picker, changedHandler);
// get manipulator styles
ManipulatorStyles styles = ManipulatorResources.INSTANCE.manipulatorStyles();
// main control
HorizontalPanel panel = new HorizontalPanel();
panel.setVerticalAlignment(HasVerticalAlignment.ALIGN_MIDDLE);
panel.setHorizontalAlignment(HasHorizontalAlignment.ALIGN_LEFT);
// caption
Label captionLabel = new Label();
captionLabel.setStyleName(styles.captionLabel());
captionLabel.setText(getLabel() + ":");
panel.add(captionLabel);
// picker
listBox_ = new ListBox();
listBox_.setVisibleItemCount(1);
JsArrayString choices = picker.getChoices();
int selectedIndex = 0;
for (int i=0; i<choices.length(); i++)
{
String choice = choices.get(i);
listBox_.addItem(choice);
if (choice.equals(value))
selectedIndex = i;
}
listBox_.setSelectedIndex(selectedIndex);
listBox_.addChangeHandler(new ChangeHandler(){
@Override
public void onChange(ChangeEvent event)
{
ManipulatorControlPicker.this.onValueChanged(
new JSONString(listBox_.getItemText(listBox_.getSelectedIndex())));
}
});
panel.add(listBox_);
initWidget(panel);
addControlStyle(styles.picker());
}
@Override
public void focus()
{
listBox_.setFocus(true);
}
private ListBox listBox_;
}