src/plugins/certmanager/src/com/motorolamobility/studio/android/certmanager/ui/tree/NameAliasColumnLabelProvider.java

/*
 * Copyright (C) 2012 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 * 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.motorolamobility.studio.android.certmanager.ui.tree;

import org.eclipse.jface.viewers.ColumnLabelProvider;
import org.eclipse.jface.viewers.ILabelProviderListener;
import org.eclipse.jface.viewers.ViewerCell;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
import org.eclipse.ui.IDecoratorManager;
import org.eclipse.ui.PlatformUI;

import com.motorolamobility.studio.android.certmanager.ui.model.ITreeNode;

public class NameAliasColumnLabelProvider extends ColumnLabelProvider
{
    final IDecoratorManager decorator;

    public NameAliasColumnLabelProvider()
    {
        decorator = PlatformUI.getWorkbench().getDecoratorManager();
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.viewers.ColumnLabelProvider#getImage(java.lang.Object)
     */
    @Override
    public Image getImage(Object element)
    {
        Image result = null;
        if (element instanceof ITreeNode)
        {
            ITreeNode node = (ITreeNode) element;
            Image defaultImage = null;
            if (node.getIcon() != null)
            {
                defaultImage = node.getIcon().createImage();
                result = decorator.decorateImage(defaultImage, element);
            }
            if (result == null)
            {
                result = defaultImage;
            }
        }
        return result;
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.viewers.ColumnLabelProvider#getText(java.lang.Object)
     */
    @Override
    public String getText(Object element)
    {
        if (element instanceof ITreeNode)
        {
            ITreeNode node = (ITreeNode) element;
            return node.getName();
        }
        return ""; //other items do not need to show this column with data
    }

    @Override
    public void update(ViewerCell cell)
    {
        Object cellElement = cell.getElement();
        cell.setText(getText(cellElement));
        if (getImage(cellElement) != null)
        {
            cell.setImage(getImage(cellElement));
        }
    }

    @Override
    public String getToolTipText(Object element)
    {
        if (element instanceof ITreeNode)
        {
            ITreeNode treeNode = (ITreeNode) element;

            return treeNode.getTooltip();
        }
        return super.getToolTipText(element);
    }

    @Override
    public int getToolTipTimeDisplayed(Object object)
    {
        return 4000;
    }

    @Override
    public int getToolTipDisplayDelayTime(Object object)
    {
        return 500;
    }

    @Override
    public Point getToolTipShift(Object object)
    {
        return new Point(5, 5);
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.viewers.BaseLabelProvider#addListener(org.eclipse.jface.viewers.ILabelProviderListener)
     */
    @Override
    public void addListener(ILabelProviderListener listener)
    {
        decorator.addListener(listener);
        super.addListener(listener);
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.viewers.BaseLabelProvider#removeListener(org.eclipse.jface.viewers.ILabelProviderListener)
     */
    @Override
    public void removeListener(ILabelProviderListener listener)
    {
        decorator.removeListener(listener);
        super.removeListener(listener);
    }
}