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/*
* Copyright (C) 2007 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.tree;
import com.android.ide.eclipse.adt.AdtPlugin;
import com.android.ide.eclipse.adt.internal.editors.IconFactory;
import com.android.ide.eclipse.adt.internal.editors.descriptors.ElementDescriptor;
import com.android.ide.eclipse.adt.internal.editors.uimodel.UiElementNode;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.swt.graphics.Image;
/**
* UiModelTreeLabelProvider is a trivial implementation of {@link ILabelProvider}
* where elements are expected to derive from {@link UiElementNode} or
* from {@link ElementDescriptor}.
*
* It is used by both the master tree viewer and by the list in the Add... selection dialog.
*/
public class UiModelTreeLabelProvider implements ILabelProvider {
public UiModelTreeLabelProvider() {
}
/**
* Returns the element's logo with a fallback on the android logo.
*/
@Override
public Image getImage(Object element) {
ElementDescriptor desc = null;
UiElementNode node = null;
if (element instanceof ElementDescriptor) {
desc = (ElementDescriptor) element;
} else if (element instanceof UiElementNode) {
node = (UiElementNode) element;
desc = node.getDescriptor();
}
if (desc != null) {
Image img = desc.getCustomizedIcon();
if (img != null) {
if (node != null && node.hasError()) {
return IconFactory.getInstance().addErrorIcon(img);
} else {
return img;
}
}
}
return AdtPlugin.getAndroidLogo();
}
/**
* Uses UiElementNode.shortDescription for the label for this tree item.
*/
@Override
public String getText(Object element) {
if (element instanceof ElementDescriptor) {
ElementDescriptor desc = (ElementDescriptor) element;
return desc.getUiName();
} else if (element instanceof UiElementNode) {
UiElementNode node = (UiElementNode) element;
return node.getShortDescription();
}
return element.toString();
}
@Override
public void addListener(ILabelProviderListener listener) {
// pass
}
@Override
public void dispose() {
// pass
}
@Override
public boolean isLabelProperty(Object element, String property) {
// pass
return false;
}
@Override
public void removeListener(ILabelProviderListener listener) {
// pass
}
}
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