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/*******************************************************************************
* Copyright (c) 2007, 2009 Oracle. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0, which accompanies this distribution
* and is available at http://www.eclipse.org/legal/epl-v10.html.
*
* Contributors:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.utility.internal.swing;
import java.awt.Color;
import java.awt.Component;
import javax.swing.BorderFactory;
import javax.swing.JComponent;
import javax.swing.JSpinner;
import javax.swing.JTable;
import javax.swing.SpinnerModel;
import javax.swing.UIManager;
import javax.swing.border.Border;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
/**
* Make the cell look like a spinner.
*/
public class SpinnerTableCellRenderer implements TableCellEditorAdapter.Renderer {
/** the component used to paint the cell */
protected JSpinner spinner;
/** the listener to be notified on an immediate edit */
protected TableCellEditorAdapter.ImmediateEditListener immediateEditListener;
// ********** constructors/initialization **********
/**
* Construct a cell renderer that uses the default
* spinner model, which is a "number" model.
*/
public SpinnerTableCellRenderer() {
super();
this.initialize();
}
/**
* Construct a cell renderer that uses the specified
* spinner model, which will determine how the values are displayed.
*/
public SpinnerTableCellRenderer(SpinnerModel model) {
this();
this.setModel(model);
}
protected void initialize() {
this.spinner = this.buildSpinner();
}
protected JSpinner buildSpinner() {
JSpinner s = new JSpinner();
s.addChangeListener(this.buildChangeListener());
return s;
}
private ChangeListener buildChangeListener() {
return new ChangeListener() {
public void stateChanged(ChangeEvent e) {
if (SpinnerTableCellRenderer.this.immediateEditListener != null) {
SpinnerTableCellRenderer.this.immediateEditListener.immediateEdit();
}
}
};
}
// ********** TableCellRenderer implementation **********
public Component getTableCellRendererComponent(JTable table, Object value, boolean selected, boolean hasFocus, int row, int column) {
this.spinner.setComponentOrientation(table.getComponentOrientation());
this.spinner.setFont(table.getFont());
this.spinner.setEnabled(table.isEnabled());
JComponent editor = this.editor();
editor.setForeground(this.foregroundColor(table, value, selected, hasFocus, row, column));
editor.setBackground(this.backgroundColor(table, value, selected, hasFocus, row, column));
this.spinner.setBorder(this.border(table, value, selected, hasFocus, row, column));
this.setValue(value);
return this.spinner;
}
/**
* Return the cell's foreground color.
*/
protected Color foregroundColor(JTable table, @SuppressWarnings("unused") Object value, boolean selected, boolean hasFocus, int row, int column) {
if (selected) {
if (hasFocus && table.isCellEditable(row, column)) {
return UIManager.getColor("Table.focusCellForeground"); //$NON-NLS-1$
}
return table.getSelectionForeground();
}
return table.getForeground();
}
/**
* Return the cell's background color.
*/
protected Color backgroundColor(JTable table, @SuppressWarnings("unused") Object value, boolean selected, boolean hasFocus, int row, int column) {
if (selected) {
if (hasFocus && table.isCellEditable(row, column)) {
return UIManager.getColor("Table.focusCellBackground"); //$NON-NLS-1$
}
return table.getSelectionBackground();
}
return table.getBackground();
}
/**
* Return the cell's border.
*/
protected Border border(JTable table, @SuppressWarnings("unused") Object value, boolean selected, boolean hasFocus, @SuppressWarnings("unused") int row, @SuppressWarnings("unused") int column) {
if (hasFocus) {
return UIManager.getBorder("Table.focusCellHighlightBorder"); //$NON-NLS-1$
}
if (selected) {
return BorderFactory.createLineBorder(table.getSelectionBackground(), 1);
}
return BorderFactory.createLineBorder(table.getBackground(), 1);
}
/**
* Return the editor component whose colors should be set
* by the renderer.
*/
protected JComponent editor() {
JComponent editor = this.spinner.getEditor();
if (editor instanceof JSpinner.DefaultEditor) {
// typically, the editor will be the default or one of its subclasses...
editor = ((JSpinner.DefaultEditor) editor).getTextField();
}
return editor;
}
/**
* Set the spinner's value
*/
protected void setValue(Object value) {
// CR#3999318 - This null check needs to be removed once JDK bug is fixed
if (value == null) {
value = Integer.valueOf(0);
}
this.spinner.setValue(value);
}
// ********** TableCellEditorAdapter.Renderer implementation **********
public Object getValue() {
return this.spinner.getValue();
}
public void setImmediateEditListener(TableCellEditorAdapter.ImmediateEditListener listener) {
this.immediateEditListener = listener;
}
// ********** public API **********
/**
* Set the spinner's model.
*/
public void setModel(SpinnerModel model) {
this.spinner.setModel(model);
}
/**
* Return the renderer's preferred height. This allows you
* to set the row height to something the spinner will look good in....
*/
public int preferredHeight() {
// add in space for the border top and bottom
return (int) this.spinner.getPreferredSize().getHeight() + 2;
}
}
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