/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to you 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 org.apache.pivot.wtk.content;
import org.apache.pivot.beans.BeanAdapter;
import org.apache.pivot.collections.Dictionary;
import org.apache.pivot.wtk.ImageView;
import org.apache.pivot.wtk.TableView;
import org.apache.pivot.wtk.TableView.CellRenderer;
import org.apache.pivot.wtk.media.Image;
/**
* Default renderer for table view cells that contain image data.
*/
public class TableViewImageCellRenderer extends ImageView implements CellRenderer {
public static int DEFAULT_HEIGHT = 16;
public TableViewImageCellRenderer() {
setPreferredHeight(DEFAULT_HEIGHT);
}
@Override
public void setSize(int width, int height) {
super.setSize(width, height);
// Since this component doesn't have a parent, it won't be validated
// via layout; ensure that it is valid here
validate();
}
@Override
public void setPreferredHeight(int preferredHeight) {
if (preferredHeight == -1) {
throw new IllegalArgumentException("Preferred height must be a fixed value.");
}
super.setPreferredHeight(preferredHeight);
}
@Override
public void setPreferredSize(int preferredWidth, int preferredHeight) {
if (preferredHeight == -1) {
throw new IllegalArgumentException("Preferred height must be a fixed value.");
}
super.setPreferredSize(preferredWidth, preferredHeight);
}
@SuppressWarnings("unchecked")
@Override
public void render(Object row, int rowIndex, int columnIndex,
TableView tableView, String columnName,
boolean selected, boolean highlighted, boolean disabled) {
if (row != null) {
Image image = null;
// Get the row and cell data
if (columnName != null) {
Dictionary<String, Object> rowData;
if (row instanceof Dictionary<?, ?>) {
rowData = (Dictionary<String, Object>)row;
} else {
rowData = new BeanAdapter(row);
}
Object cellData = rowData.get(columnName);
if (cellData instanceof Image) {
image = (Image)cellData;
} else {
System.err.println("Data for \"" + columnName + "\" is not an instance of "
+ Image.class.getName());
}
}
setImage(image);
}
}
public String toString(Object row, String columnName) {
return null;
}
}