/*!
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program 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.
*
* Copyright (c) 2002-2013 Pentaho Corporation.. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.core.metadata.propertyeditors;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Rectangle;
import java.awt.RenderingHints;
import java.awt.Shape;
import java.awt.Stroke;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.beans.PropertyEditor;
import javax.swing.BorderFactory;
import javax.swing.DefaultListCellRenderer;
import javax.swing.Icon;
import javax.swing.JComboBox;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.event.DocumentListener;
import javax.swing.event.DocumentEvent;
import org.pentaho.reporting.engine.classic.core.style.BorderStyle;
import org.pentaho.reporting.engine.classic.core.util.StrokeUtility;
import org.pentaho.reporting.libraries.base.util.StringUtils;
import org.pentaho.reporting.libraries.xmlns.common.ParserUtil;
/**
* @author wseyler
*/
public class BasicStrokeEditor implements PropertyEditor
{
private BasicStroke value;
private PropertyChangeSupport propertyChangeSupport;
public BasicStrokeEditor()
{
super();
value = new BasicStroke();
propertyChangeSupport = new PropertyChangeSupport(this);
}
/* (non-Javadoc)
* @see java.beans.PropertyEditor#addPropertyChangeListener(java.beans.PropertyChangeListener)
*/
public void addPropertyChangeListener(final PropertyChangeListener listener)
{
propertyChangeSupport.addPropertyChangeListener(listener);
}
/* (non-Javadoc)
* @see java.beans.PropertyEditor#removePropertyChangeListener(java.beans.PropertyChangeListener)
*/
public void removePropertyChangeListener(final PropertyChangeListener listener)
{
propertyChangeSupport.removePropertyChangeListener(listener);
}
/* (non-Javadoc)
* @see java.beans.PropertyEditor#setValue(java.lang.Object)
*/
public void setValue(final Object value)
{
final Object oldValue = this.value;
if (value instanceof BasicStroke)
{
this.value = (BasicStroke) value;
}
else
{
this.value = null;
}
propertyChangeSupport.firePropertyChange(null, oldValue, this.value);
}
/* (non-Javadoc)
* @see java.beans.PropertyEditor#getValue()
*/
public Object getValue()
{
return value;
}
/* (non-Javadoc)
* @see java.beans.PropertyEditor#getAsText()
*/
public String getAsText()
{
if (value == null)
{
return "";
}
final BorderStyle borderStyle = StrokeUtility.translateStrokeStyle(value);
final float width = value.getLineWidth();
return borderStyle + ", " + width;
}
/* (non-Javadoc)
* @see java.beans.PropertyEditor#setAsText(java.lang.String)
*/
public void setAsText(final String text) throws IllegalArgumentException
{
final String[] strings = StringUtils.split(text, ",");
if (strings.length == 0)
{
setValue(null);
return;
}
if (strings.length == 1)
{
final float v = ParserUtil.parseFloat(strings[0].trim(), -1);
if (v < 0)
{
setValue(BorderStyle.getBorderStyle(strings[0].trim()));
return;
}
setValue(new BasicStroke(v));
return;
}
if (strings.length > 2)
{
return;
}
float width = ParserUtil.parseFloat(strings[0].trim(), -1);
if (width < 0)
{
width = ParserUtil.parseFloat(strings[1].trim(), -1);
}
if (width < 0)
{
setValue(null);
return;
}
BorderStyle style = BorderStyle.getBorderStyle(strings[0].trim());
if (style == null)
{
style = BorderStyle.getBorderStyle(strings[1].trim());
}
if (style == null)
{
setValue(null);
}
else
{
setValue(style.createStroke(width));
}
}
/* (non-Javadoc)
* @see java.beans.PropertyEditor#supportsCustomEditor()
*/
public boolean supportsCustomEditor()
{
return true;
}
/* (non-Javadoc)
* @see java.beans.PropertyEditor#getCustomEditor()
*/
public Component getCustomEditor()
{
return new StrokeEditorComponent(this);
}
/* (non-Javadoc)
* @see java.beans.PropertyEditor#isPaintable()
*/
public boolean isPaintable()
{
return true;
}
/* (non-Javadoc)
* @see java.beans.PropertyEditor#paintValue(java.awt.Graphics, java.awt.Rectangle)
*/
public void paintValue(final Graphics gfx, final Rectangle box)
{
if (gfx instanceof Graphics2D)
{
final Graphics2D graphics2D = (Graphics2D) gfx;
graphics2D.setStroke(value);
graphics2D.drawLine(box.x, box.height / 2 + box.y, box.x + box.width, box.height / 2 + box.y);
}
}
/* (non-Javadoc)
* @see java.beans.PropertyEditor#getJavaInitializationString()
*/
public String getJavaInitializationString()
{
return null;
}
/* (non-Javadoc)
* @see java.beans.PropertyEditor#getTags()
*/
public String[] getTags()
{
return null;
}
private static class BorderStyleRenderer extends DefaultListCellRenderer
{
public Component getListCellRendererComponent(final JList list,
final Object value,
final int index,
final boolean isSelected,
final boolean cellHasFocus)
{
final JLabel label = (JLabel) super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
if (value instanceof BorderStyle)
{
final BorderStyle style = (BorderStyle) value;
final StrokeIcon strokeIcon = new StrokeIcon(style.createStroke(2));
label.setIcon(strokeIcon);
}
else
{
label.setIcon(null);
}
label.setText("");
return label;
}
}
private static class StrokeEditorComponent extends JPanel
{
private class DashSelectionHandler implements ActionListener
{
private final JComboBox dashComboBox;
public DashSelectionHandler(final JComboBox dashComboBox)
{
this.dashComboBox = dashComboBox;
}
public void actionPerformed(final ActionEvent e)
{
setDashType((BorderStyle) dashComboBox.getSelectedItem());
}
}
private class WidthUpdateHandler implements DocumentListener
{
private JTextField textField;
public WidthUpdateHandler(final JTextField textField)
{
this.textField = textField;
}
/**
* Gives notification that there was an insert into the document. The
* range given by the DocumentEvent bounds the freshly inserted region.
*
* @param e the document event
*/
public void insertUpdate(final DocumentEvent e)
{
final String s = this.textField.getText();
try
{
setStrokeWidth(Float.parseFloat(s.trim()));
}
catch (Exception ex)
{
// ignored
}
}
/**
* Gives notification that a portion of the document has been
* removed. The range is given in terms of what the view last
* saw (that is, before updating sticky positions).
*
* @param e the document event
*/
public void removeUpdate(final DocumentEvent e)
{
insertUpdate(e);
}
/**
* Gives notification that an attribute or set of attributes changed.
*
* @param e the document event
*/
public void changedUpdate(final DocumentEvent e)
{
insertUpdate(e);
}
}
private float width;
private BorderStyle borderStyle;
private SamplePanel samplePanel;
private BasicStrokeEditor editor;
public StrokeEditorComponent(final BasicStrokeEditor editor)
{
this.editor = editor;
samplePanel = new SamplePanel();
final BasicStroke vb = (BasicStroke) editor.getValue();
if (vb != null)
{
width = vb.getLineWidth();
borderStyle = StrokeUtility.translateStrokeStyle(vb);
}
else
{
width = 0;
borderStyle = BorderStyle.NONE;
}
initGUI();
}
public void setStrokeWidth(final float width)
{
if (this.width == width)
{
return;
}
this.width = width;
if (borderStyle == null || borderStyle == BorderStyle.NONE)
{
this.editor.setValue(null);
this.samplePanel.setSampleValue(null);
}
else
{
final Stroke stroke = borderStyle.createStroke(width);
this.editor.setValue(stroke);
this.samplePanel.setSampleValue(stroke);
}
}
public void setDashType(final BorderStyle type)
{
if (this.borderStyle == type)
{
return;
}
this.borderStyle = type;
if (borderStyle == null || borderStyle == BorderStyle.NONE)
{
this.editor.setValue(null);
this.samplePanel.setSampleValue(null);
}
else
{
final Stroke stroke = borderStyle.createStroke(width);
this.editor.setValue(stroke);
this.samplePanel.setSampleValue(stroke);
}
}
/**
*
*/
private void initGUI()
{
this.setLayout(new GridBagLayout());
final GridBagConstraints constraints = new GridBagConstraints();
// Add the width label
constraints.gridx = 0;
constraints.gridy = 0;
constraints.anchor = GridBagConstraints.EAST;
this.add(new JLabel("Width:"), constraints);
// Add the spinner with its model
constraints.gridx = 1;
constraints.gridy = 0;
constraints.anchor = GridBagConstraints.WEST;
final JTextField strokeWidthField = new JTextField();
strokeWidthField.getDocument().addDocumentListener(new WidthUpdateHandler(strokeWidthField));
strokeWidthField.setText(String.valueOf(width));
strokeWidthField.setColumns(6);
this.add(strokeWidthField, constraints);
// Add the dash Label
constraints.gridx = 0;
constraints.gridy = 1;
constraints.anchor = GridBagConstraints.CENTER;
this.add(new JLabel("Dashes:"), constraints);
// Add the dash comboBox
constraints.gridx = 1;
constraints.gridy = 1;
final JComboBox dashComboBox = new JComboBox(new Object[]{BorderStyle.SOLID, BorderStyle.DASHED,
BorderStyle.DOTTED, BorderStyle.DOT_DASH, BorderStyle.DOT_DOT_DASH});
dashComboBox.setRenderer(new BorderStyleRenderer());
dashComboBox.setSelectedItem(borderStyle);
dashComboBox.addActionListener(new DashSelectionHandler(dashComboBox));
this.add(dashComboBox, constraints);
// Add the sample box
constraints.gridx = 0;
constraints.gridy = 2;
constraints.gridwidth = GridBagConstraints.REMAINDER;
constraints.fill = GridBagConstraints.HORIZONTAL;
this.add(samplePanel, constraints);
}
}
private static class SamplePanel extends JPanel
{
private Stroke sampleValue;
public SamplePanel()
{
setBorder(BorderFactory.createTitledBorder("Sample"));
this.setMinimumSize(new Dimension(40, 40));
}
public void paintComponent(final Graphics g)
{
super.paintComponent(g);
if (sampleValue != null)
{
final Graphics2D g2d = (Graphics2D) g;
final Stroke origStroke = g2d.getStroke();
final Color origColor = g2d.getColor();
final Shape origClip = g2d.getClip();
g2d.setStroke(sampleValue);
g2d.drawLine(getInsets().left + 1, (getHeight() / 2) + 1, getWidth() - (getInsets().right + 1), (getHeight() / 2) + 1);
g2d.setClip(origClip);
g2d.setStroke(origStroke);
g2d.setColor(origColor);
}
}
public Stroke getSampleValue()
{
return sampleValue;
}
public void setSampleValue(final Stroke sampleValue)
{
this.sampleValue = sampleValue;
repaint();
}
}
private static class StrokeIcon implements Icon
{
private Stroke basicStroke;
private StrokeIcon(final Stroke basicStroke)
{
this.basicStroke = basicStroke;
}
public void paintIcon(final Component c, final Graphics g, final int x, final int y)
{
final Graphics2D g2d = (Graphics2D) g;
final Color origColor = g2d.getColor();
final Object hint = g2d.getRenderingHint(RenderingHints.KEY_ANTIALIASING);
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
final Stroke origStroke = g2d.getStroke();
g2d.translate(x, y);
g2d.setColor(Color.BLACK);
g2d.setStroke(basicStroke);
g2d.drawLine(0, getIconHeight() / 2, getIconWidth(), getIconHeight() / 2);
g2d.setColor(origColor);
g2d.translate(-x, -y);
g2d.setStroke(origStroke);
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, hint);
}
public int getIconWidth()
{
return 100;
}
public int getIconHeight()
{
return 20;
}
}
}