/*
* Copyright (c) 2004-2011 Marco Maccaferri and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Marco Maccaferri - initial API and implementation
*/
package org.eclipsetrader.ui.internal.charts.views;
import java.util.Observable;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.ComboViewer;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
public class MainRenderStyleInput extends Observable {
private Label label;
private ComboViewer combo;
public MainRenderStyleInput(Composite parent) {
this(parent, (String) null);
}
public MainRenderStyleInput(Composite parent, String text) {
if (text != null) {
label = new Label(parent, SWT.NONE);
label.setText(text);
}
initializeCombo(parent);
}
protected void initializeCombo(Composite parent) {
combo = new ComboViewer(parent, SWT.READ_ONLY);
combo.setLabelProvider(new LabelProvider());
combo.setContentProvider(new ArrayContentProvider());
combo.addSelectionChangedListener(new ISelectionChangedListener() {
@Override
public void selectionChanged(SelectionChangedEvent event) {
setChanged();
notifyObservers(event.getSelection());
}
});
combo.setInput(MainRenderStyle.values());
}
public void setSelection(MainRenderStyle selection) {
combo.setSelection(selection != null ? new StructuredSelection(selection) : StructuredSelection.EMPTY);
}
public MainRenderStyle getSelection() {
IStructuredSelection selection = (IStructuredSelection) combo.getSelection();
return selection.isEmpty() ? null : (MainRenderStyle) selection.getFirstElement();
}
public String getText() {
return label != null ? label.getText() : "";
}
public void setText(String text) {
if (label != null) {
label.setText(text);
}
}
public Label getLabel() {
return label;
}
public ComboViewer getViewer() {
return combo;
}
public Combo getCombo() {
return combo.getCombo();
}
public void setEnabled(boolean enabled) {
if (label != null) {
label.setEnabled(enabled);
}
combo.getControl().setEnabled(enabled);
}
public boolean getEnabled() {
return combo.getControl().getEnabled();
}
public boolean isEnabled() {
return combo.getControl().isEnabled();
}
}