org.jdesktop.swingx.renderer.DefaultTableRenderer Maven / Gradle / Ivy
/*
* $Id: DefaultTableRenderer.java 3778 2010-09-07 10:10:49Z kleopatra $
*
* Copyright 2006 Sun Microsystems, Inc., 4150 Network Circle,
* Santa Clara, California 95054, U.S.A. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.jdesktop.swingx.renderer;
import java.awt.Component;
import javax.swing.JTable;
import javax.swing.table.TableCellRenderer;
/**
* Adapter to glue SwingX renderer support to core api. It has convenience
* constructors to create a LabelProvider, optionally configured with a
* StringValue and horizontal alignment. Typically, client code does not
* interact with this class except at instantiation time.
*
*
* JXTable uses instances of this as per-class default renderers.
*
*
* setDefaultRenderer(Object.class, new DefaultTableRenderer());
* setDefaultRenderer(Number.class, new DefaultTableRenderer(
* FormatStringValues.NUMBER_TO_STRING, JLabel.RIGHT));
* setDefaultRenderer(Date.class, new DefaultTableRenderer(
* FormatStringValues.DATE_TO_STRING));
* // use the same center aligned default for Image/Icon
* TableCellRenderer renderer = new DefaultTableRenderer(new MappedValue(
* StringValues.EMPTY, IconValues.ICON), JLabel.CENTER);
* setDefaultRenderer(Icon.class, renderer);
* setDefaultRenderer(ImageIcon.class, renderer);
* // use a CheckBoxProvider for booleans
* setDefaultRenderer(Boolean.class,
* new DefaultTableRenderer(new CheckBoxProvider()));
*
*
*
*
* @author Jeanette Winzenburg
*
* @see ComponentProvider
* @see LabelProvider
* @see StringValue
* @see IconValue
* @see MappedValue
* @see CellContext
*
*/
public class DefaultTableRenderer extends AbstractRenderer
implements TableCellRenderer {
private TableCellContext cellContext;
/**
* Instantiates a default table renderer with the default component
* provider.
*
* @see #DefaultTableRenderer(ComponentProvider)
*/
public DefaultTableRenderer() {
this((ComponentProvider) null);
}
/**
* Instantiates a default table renderer with the given component provider.
* If the controller is null, creates and uses a default. The default
* provider is of type LabelProvider.
*
* @param componentProvider the provider of the configured component to
* use for cell rendering
*/
public DefaultTableRenderer(ComponentProvider componentProvider) {
super(componentProvider);
this.cellContext = new TableCellContext();
}
/**
* Instantiates a default table renderer with a default component
* provider using the given converter.
*
* @param converter the converter to use for mapping the
* content value to a String representation.
*
* @see #DefaultTableRenderer(ComponentProvider)
*/
public DefaultTableRenderer(StringValue converter) {
this(new LabelProvider(converter));
}
/**
* Instantiates a default table renderer with a default component
* provider using the given converter and horizontal
* alignment.
*
* @param converter the converter to use for mapping the
* content value to a String representation.
*
* @see #DefaultTableRenderer(ComponentProvider)
*/
public DefaultTableRenderer(StringValue converter, int alignment) {
this(new LabelProvider(converter, alignment));
}
/**
* Intantiates a default table renderer with default component provider
* using both converters.
*
* @param stringValue the converter to use for the string representation
* @param iconValue the converter to use for the icon representation
*/
public DefaultTableRenderer(StringValue stringValue, IconValue iconValue) {
this(new MappedValue(stringValue, iconValue));
}
/**
* Intantiates a default table renderer with default component provider
* using both converters and the given alignment.
*
* @param stringValue the converter to use for the string representation
* @param iconValue the converter to use for the icon representation
* @param alignment the rendering component's horizontal alignment
*/
public DefaultTableRenderer(StringValue stringValue, IconValue iconValue,
int alignment) {
this(new MappedValue(stringValue, iconValue), alignment);
}
// -------------- implements javax.swing.table.TableCellRenderer
/**
*
* Returns a configured component, appropriate to render the given
* list cell.
*
* Note: The component's name is set to "Table.cellRenderer" for the sake
* of Synth-based LAFs.
*
* @param table the JTable
* @param value the value to assign to the cell at
* [row, column]
* @param isSelected true if cell is selected
* @param hasFocus true if cell has focus
* @param row the row of the cell to render
* @param column the column of the cell to render
* @return the default table cell renderer
*/
public Component getTableCellRendererComponent(JTable table, Object value,
boolean isSelected, boolean hasFocus, int row, int column) {
cellContext.installContext(table, value, row, column, isSelected, hasFocus,
true, true);
Component comp = componentController.getRendererComponent(cellContext);
// fix issue #1040-swingx: memory leak if value not released
cellContext.replaceValue(null);
return comp;
}
/**
* {@inheritDoc}
*/
@Override
protected ComponentProvider createDefaultComponentProvider() {
return new LabelProvider();
}
}