package org.openswing.swing.table.renderers.client;
import java.awt.*;
import javax.swing.*;
import javax.swing.plaf.basic.*;
import javax.swing.table.*;
import org.openswing.swing.table.client.*;
import org.openswing.swing.util.client.*;
import org.openswing.swing.util.java.*;
/**
* <p>Title: OpenSwing Framework</p>
* <p>Description: Renderer used to format a check-box column.</p>
* <p>Copyright: Copyright (C) 2006 Mauro Carniel</p>
*
* <p> This file is part of OpenSwing Framework.
* This library is free software; you can redistribute it and/or
* modify it under the terms of the (LGPL) Lesser General Public
* License as published by the Free Software Foundation;
*
* GNU LESSER GENERAL PUBLIC LICENSE
* Version 2.1, February 1999
*
* 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* The author may be contacted at:
* maurocarniel@tin.it</p>
*
* @author Mauro Carniel
* @version 1.0
*/
public class CheckBoxTableCellRenderer extends DefaultTableCellRenderer {
/** flag used to store the current check-box state */
private Boolean selected = Boolean.FALSE;
/** cell content (the check-box is drawed inside) */
private CheckLabel rend = new CheckLabel();
/** flag used to draw the check-box border, if cell has currently the focus */
private boolean paintBorder = false;
/** border color, if cell has currently the focus */
private Color selectionForeground = null;
/** grid container */
private GridController gridContainer = null;
/** default font */
private Font defaultFont = null;
/** flag used to indicate if the button is enabled also when the grid is in readonly mode; default value: <code>false</code> i.e. the button is enabled only in INSERT/EDIT modes, according to "editableOnEdit" and "editableOnInsert" properties */
private boolean enableInReadOnlyMode = false;
/** define if null value is alloed (i.e. distinct from Boolean.FALSE value); default value: <code>false</code> */
private boolean allowNullValue;
/** attribute name associated to this column */
private String attributeName = null;
/** value used to select the check-box */
private Object positiveValue = null;
/** value used to deselect the check-box */
private Object negativeValue = null;
/**
* Constructor.
* @param gridContainer grid container
* @param attributeName attribute name associated to this column
*/
public CheckBoxTableCellRenderer(GridController gridContainer,int alignement,boolean enableInReadOnlyMode,boolean allowNullValue,String attributeName,Object positiveValue,Object negativeValue) {
this.gridContainer = gridContainer;
rend.setOpaque(true);
rend.setHorizontalAlignment(alignement);
this.enableInReadOnlyMode = enableInReadOnlyMode;
this.allowNullValue = allowNullValue;
this.attributeName = attributeName;
this.positiveValue = positiveValue;
this.negativeValue = negativeValue;
}
public Component getTableCellRendererComponent(JTable table, Object value,
boolean isSelected, boolean hasFocus, int row, int column) {
if (defaultFont==null)
defaultFont = rend.getFont();
if (hasFocus && table instanceof Grid) {
if (ClientSettings.IGNORE_GRID_SELECTION_FOREGROUND)
rend.setForeground(gridContainer.getForegroundColor(row,table.getModel().getColumnName(table.convertColumnIndexToModel(column)),value));
else
rend.setForeground(table.getSelectionForeground());
// rend.setBackground(((Grid)table).getActiveCellBackgroundColor());
// Color selColor = ((Grid)table).getActiveCellBackgroundColor();
Color selColor = null;
try {
selColor = new Color(
Math.min(255,
2 * ( (Grid) table).getActiveCellBackgroundColor().getRed() -
ClientSettings.GRID_CELL_BACKGROUND.getRed()),
Math.min(255,
2 * ( (Grid) table).getActiveCellBackgroundColor().getGreen() -
ClientSettings.GRID_CELL_BACKGROUND.getGreen()),
Math.min(255,
2 * ( (Grid) table).getActiveCellBackgroundColor().getBlue() -
ClientSettings.GRID_CELL_BACKGROUND.getBlue())
);
}
catch (Exception ex1) {
selColor = ( (Grid) table).getActiveCellBackgroundColor();
}
Color backColor = gridContainer.getBackgroundColor(row,table.getModel().getColumnName(table.convertColumnIndexToModel(column)),value);
rend.setBackground(new Color(
(backColor.getRed()+selColor.getRed())/2,
(backColor.getGreen()+selColor.getGreen())/2,
(backColor.getBlue()+selColor.getBlue())/2,
200
));
selectionForeground = table.getSelectionForeground();
paintBorder = true;
} else if (isSelected && !hasFocus) {
if (ClientSettings.IGNORE_GRID_SELECTION_FOREGROUND)
rend.setForeground(gridContainer.getForegroundColor(row,table.getModel().getColumnName(table.convertColumnIndexToModel(column)),value));
else
rend.setForeground(table.getSelectionForeground());
// rend.setBackground(table.getSelectionBackground());
Color backColor = gridContainer.getBackgroundColor(row,table.getModel().getColumnName(table.convertColumnIndexToModel(column)),value);
Color selColor = null;
try {
selColor = new Color(
Math.min(255,
2 * table.getSelectionBackground().getRed() -
ClientSettings.GRID_CELL_BACKGROUND.getRed()),
Math.min(255,
2 * table.getSelectionBackground().getGreen() -
ClientSettings.GRID_CELL_BACKGROUND.getGreen()),
Math.min(255,
2 * table.getSelectionBackground().getBlue() -
ClientSettings.GRID_CELL_BACKGROUND.getBlue())
);
}
catch (Exception ex1) {
selColor = ( (Grid) table).getSelectionBackground();
}
rend.setBackground(new Color(
(backColor.getRed()+selColor.getRed())/2,
(backColor.getGreen()+selColor.getGreen())/2,
(backColor.getBlue()+selColor.getBlue())/2
));
paintBorder = false;
} else {
if (!enableInReadOnlyMode && (((Grid)table).getMode()==Consts.READONLY || !((Grid)table).isColorsInReadOnlyMode()))
rend.setBackground(gridContainer.getBackgroundColor(row,table.getModel().getColumnName(table.convertColumnIndexToModel(column)),value));
else {
if (enableInReadOnlyMode || table.isCellEditable(row,column))
rend.setBackground(ClientSettings.GRID_EDITABLE_CELL_BACKGROUND);
else
rend.setBackground(ClientSettings.GRID_NOT_EDITABLE_CELL_BACKGROUND);
}
paintBorder = false;
}
if (value==null && allowNullValue)
selected = null;
else if (value==null && !allowNullValue)
selected = Boolean.FALSE;
else if (value.equals(positiveValue))
selected = Boolean.TRUE;
else
selected = Boolean.FALSE;
rend.setPreferredSize(new Dimension(table.getColumnModel().getColumn(column).getWidth(),table.getHeight()));
Font f = gridContainer.getFont(row,table.getModel().getColumnName(table.convertColumnIndexToModel(column)),value,defaultFont);
if (f!=null)
rend.setFont(f);
else
rend.setFont(defaultFont);
if (table instanceof Grid)
rend.setToolTipText(gridContainer.getCellTooltip(row,((Grid)table).getVOListTableModel().getColumnName(table.convertColumnIndexToModel(column))));
return rend;
}
public final void finalize() {
gridContainer = null;
}
/**
* <p>Title: OpenSwing Framework</p>
* <p>Description: Inner class used to draw the check-box (and its selection) inside a JLabel object (cell content).</p>
* <p>Copyright: Copyright (C) 2006 Mauro Carniel</p>
* <p> </p>
* @author Mauro Carniel
* @version 1.0
*/
class CheckLabel extends JLabel {
public void paintComponent(Graphics g) {
super.paintComponent(g);
if (selectionForeground!=null)
g.setColor(selectionForeground);
if (paintBorder && selectionForeground!=null)
g.drawRect(0,0,this.getWidth()-1,this.getHeight()-1);
g.translate((int)this.getWidth()/2-6,this.getHeight()/2-5);
Color col1 = Color.black;
Color col2 = Color.darkGray;
g.setColor(Color.white);
g.fillRect(0,0,12,12);
BasicGraphicsUtils.drawLoweredBezel(g,0,0,12,12,Color.darkGray,Color.black,Color.white,Color.gray);
if (allowNullValue && selected==null) {
g.setColor(Color.lightGray);
g.fillRect(1,1,10,10);
}
if (Boolean.TRUE.equals(selected)) {
g.setColor(Color.black);
g.drawLine(3,5,5,7);
g.drawLine(3,6,5,8);
g.drawLine(3,7,5,9);
g.drawLine(6,6,9,3);
g.drawLine(6,7,9,4);
g.drawLine(6,8,9,5);
}
}
}
}