/*
* 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 java.text.DecimalFormat;
import java.text.NumberFormat;
import org.apache.pivot.beans.BeanAdapter;
import org.apache.pivot.collections.Dictionary;
import org.apache.pivot.wtk.HorizontalAlignment;
import org.apache.pivot.wtk.Insets;
import org.apache.pivot.wtk.TableView;
/**
* Default renderer for table view cells that contain numeric data. Renders
* cell contents as a formatted number.
*/
public class TableViewNumberCellRenderer extends TableViewCellRenderer {
private NumberFormat numberFormat = DEFAULT_NUMBER_FORMAT;
public static final NumberFormat DEFAULT_NUMBER_FORMAT = NumberFormat.getNumberInstance();
public TableViewNumberCellRenderer() {
getStyles().put("horizontalAlignment", HorizontalAlignment.RIGHT);
// Apply more padding on the right so the right-aligned cells don't
// appear to run into left-aligned cells in the next column
getStyles().put("padding", new Insets(2, 2, 2, 6));
}
public NumberFormat getNumberFormat() {
return numberFormat;
}
public void setNumberFormat(NumberFormat numberFormat) {
if (numberFormat == null) {
throw new IllegalArgumentException("numberFormat is null.");
}
this.numberFormat = numberFormat;
}
public void setNumberFormat(String numberFormat) {
setNumberFormat(new DecimalFormat(numberFormat));
}
@Override
@SuppressWarnings("unchecked")
public void render(Object row, int rowIndex, int columnIndex,
TableView tableView, String columnName,
boolean selected, boolean highlighted, boolean disabled) {
renderStyles(tableView, selected, disabled);
String formattedNumber = null;
if (row != null
&& columnName != null) {
// Get the row and cell data
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 != null) {
if (cellData instanceof Number) {
formattedNumber = numberFormat.format(cellData);
} else {
System.err.println("Data for \"" + columnName + "\" is a "
+ cellData.getClass().getName() + ", not a " + Number.class.getName());
}
}
}
setText(formattedNumber);
}
}