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/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Eclipse Public License, Version 1.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.eclipse.org/org/documents/epl-v10.php
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.ide.eclipse.adt.internal.editors.ui;
import com.android.ide.eclipse.adt.internal.editors.uimodel.UiListAttributeNode;
import org.eclipse.jface.viewers.ComboBoxCellEditor;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CCombo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
/**
* ComboBoxCellEditor able to receive a {@link UiListAttributeNode} in the {@link #setValue(Object)}
* method, and returning a {@link String} in {@link #getValue()} instead of an {@link Integer}.
*/
public class ListValueCellEditor extends ComboBoxCellEditor {
private String[] mItems;
private CCombo mCombo;
public ListValueCellEditor(Composite parent) {
super(parent, new String[0], SWT.DROP_DOWN);
}
@Override
protected Control createControl(Composite parent) {
mCombo = (CCombo) super.createControl(parent);
return mCombo;
}
@Override
protected void doSetValue(Object value) {
if (value instanceof UiListAttributeNode) {
UiListAttributeNode uiListAttribute = (UiListAttributeNode)value;
// set the possible values in the combo
String[] items = uiListAttribute.getPossibleValues(null);
mItems = new String[items.length];
System.arraycopy(items, 0, mItems, 0, items.length);
setItems(mItems);
// now edit the current value of the attribute
String attrValue = uiListAttribute.getCurrentValue();
mCombo.setText(attrValue);
return;
}
// default behavior
super.doSetValue(value);
}
@Override
protected Object doGetValue() {
String comboText = mCombo.getText();
if (comboText == null) {
return ""; //$NON-NLS-1$
}
return comboText;
}
}
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