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/*******************************************************************************
* Copyright (c) 2004, 2007 Mylyn project committers 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
*******************************************************************************/
package org.eclipse.mylyn.internal.tasks.ui.editors;
import java.util.Map;
import org.eclipse.core.runtime.Assert;
import org.eclipse.mylyn.tasks.core.data.TaskAttribute;
import org.eclipse.mylyn.tasks.core.data.TaskDataModel;
import org.eclipse.mylyn.tasks.ui.editors.AbstractAttributeEditor;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CCombo;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.forms.widgets.FormToolkit;
/**
* @author Steffen Pingel
*/
public class SingleSelectionAttributeEditor extends AbstractAttributeEditor {
private String[] values;
private CCombo combo;
public SingleSelectionAttributeEditor(TaskDataModel manager, TaskAttribute taskAttribute) {
super(manager, taskAttribute);
}
@Override
public void createControl(Composite parent, FormToolkit toolkit) {
if (isReadOnly()) {
Text text = new Text(parent, SWT.FLAT | SWT.READ_ONLY);
text.setFont(EditorUtil.TEXT_FONT);
toolkit.adapt(text, false, false);
text.setData(FormToolkit.KEY_DRAW_BORDER, Boolean.FALSE);
String label = getValueLabel();
if ("".equals(label)) {
// if set to the empty string the label will use 64px on GTK
text.setText(" ");
} else {
text.setText(label);
}
setControl(text);
} else {
combo = new CCombo(parent, SWT.FLAT | SWT.READ_ONLY);
toolkit.adapt(combo, false, false);
combo.setFont(EditorUtil.TEXT_FONT);
combo.setData(FormToolkit.KEY_DRAW_BORDER, FormToolkit.TEXT_BORDER);
Map<String, String> labelByValue = getAttributeMapper().getOptions(getTaskAttribute());
if (labelByValue != null) {
values = labelByValue.keySet().toArray(new String[0]);
for (String value : values) {
combo.add(labelByValue.get(value));
}
}
select(getValue(), getValueLabel());
if (values != null) {
combo.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent event) {
int index = combo.getSelectionIndex();
if (index > -1) {
Assert.isNotNull(values);
Assert.isLegal(index >= 0 && index <= values.length - 1);
setValue(values[index]);
}
}
});
}
setControl(combo);
}
}
public String getValue() {
return getAttributeMapper().getValue(getTaskAttribute());
}
public String getValueLabel() {
return getAttributeMapper().getValueLabel(getTaskAttribute());
}
private void select(String value, String label) {
if (values != null) {
for (int i = 0; i < values.length; i++) {
if (values[i].equals(value)) {
combo.select(i);
break;
}
}
} else {
combo.setText(label);
}
}
public void setValue(String value) {
getAttributeMapper().setValue(getTaskAttribute(), value);
attributeChanged();
}
}
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