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+/* DefaultTableCellRenderer.java --
+ Copyright (C) 2002, 2004, 2005, 2006, Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath 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
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package javax.swing.table;
+
+import java.awt.Color;
+import java.awt.Component;
+import java.awt.Rectangle;
+import java.io.Serializable;
+
+import javax.swing.JLabel;
+import javax.swing.JTable;
+import javax.swing.UIManager;
+import javax.swing.border.Border;
+import javax.swing.border.EmptyBorder;
+
+/**
+ * Class to display every cells.
+ */
+public class DefaultTableCellRenderer extends JLabel
+ implements TableCellRenderer, Serializable
+{
+ static final long serialVersionUID = 7878911414715528324L;
+
+ protected static Border noFocusBorder = new EmptyBorder(1, 1, 1, 1);
+
+ public static class UIResource extends DefaultTableCellRenderer
+ implements javax.swing.plaf.UIResource
+ {
+ public UIResource()
+ {
+ super();
+ }
+ }
+
+ /**
+ * Stores the color set by setForeground().
+ */
+ Color foreground;
+
+ /**
+ * Stores the color set by setBackground().
+ */
+ Color background;
+
+ /**
+ * Creates a default table cell renderer with an empty border.
+ */
+ public DefaultTableCellRenderer()
+ {
+ super();
+ }
+
+ /**
+ * Assign the unselected-foreground.
+ *
+ * @param c the color to assign
+ */
+ public void setForeground(Color c)
+ {
+ super.setForeground(c);
+ foreground = c;
+ }
+
+ /**
+ * Assign the unselected-background.
+ *
+ * @param c the color to assign
+ */
+ public void setBackground(Color c)
+ {
+ super.setBackground(c);
+ background = c;
+ }
+
+ /**
+ * Look and feel has changed.
+ *
+ * <p>Replaces the current UI object with the latest version from
+ * the UIManager.</p>
+ */
+ public void updateUI()
+ {
+ super.updateUI();
+ background = null;
+ foreground = null;
+ }
+
+ /**
+ * Get the string value of the object and pass it to setText().
+ *
+ * @param table the JTable
+ * @param value the value of the object. For the text content,
+ * null is rendered as an empty cell.
+ * @param isSelected is the cell selected?
+ * @param hasFocus has the cell the focus?
+ * @param row the row to render
+ * @param column the cell to render
+ *
+ * @return this component (the default table cell renderer)
+ */
+ public Component getTableCellRendererComponent(JTable table, Object value,
+ boolean isSelected,
+ boolean hasFocus,
+ int row, int column)
+ {
+ setValue(value);
+ setOpaque(true);
+
+ if (table == null)
+ return this;
+
+ if (isSelected)
+ {
+ super.setBackground(table.getSelectionBackground());
+ super.setForeground(table.getSelectionForeground());
+ }
+ else
+ {
+ if (background != null)
+ super.setBackground(background);
+ else
+ super.setBackground(table.getBackground());
+ if (foreground != null)
+ super.setForeground(foreground);
+ else
+ super.setForeground(table.getForeground());
+ }
+
+ Border b = null;
+ if (hasFocus)
+ {
+ if (isSelected)
+ b = UIManager.getBorder("Table.focusSelectedCellHighlightBorder");
+ if (b == null)
+ b = UIManager.getBorder("Table.focusCellHighlightBorder");
+ }
+ else
+ b = noFocusBorder;
+ setBorder(b);
+
+ setFont(table.getFont());
+
+ // If the current background is equal to the table's background, then we
+ // can avoid filling the background by setting the renderer opaque.
+ Color back = getBackground();
+ setOpaque(back != null && back.equals(table.getBackground()));
+
+ return this;
+ }
+
+ /**
+ * Overriden for performance.
+ *
+ * <p>This method needs to be overridden in a subclass to actually
+ * do something.</p>
+ *
+ * @return always true
+ */
+ public boolean isOpaque()
+ {
+ return true;
+ }
+
+ /**
+ * Overriden for performance.
+ *
+ * <p>This method needs to be overridden in a subclass to actually
+ * do something.</p>
+ */
+ public void validate()
+ {
+ // Does nothing.
+ }
+
+ public void revalidate()
+ {
+ // Does nothing.
+ }
+
+ /**
+ * Overriden for performance.
+ *
+ * <p>This method needs to be overridden in a subclass to actually
+ * do something.</p>
+ */
+ public void repaint(long tm, int x, int y, int width, int height)
+ {
+ // Does nothing.
+ }
+
+ /**
+ * Overriden for performance.
+ *
+ * <p>This method needs to be overridden in a subclass to actually
+ * do something.</p>
+ */
+ public void repaint(Rectangle r)
+ {
+ // Does nothing.
+ }
+
+ /**
+ * Overriden for performance.
+ *
+ * <p>This method needs to be overridden in a subclass to actually
+ * do something.</p>
+ */
+ protected void firePropertyChange(String propertyName, Object oldValue,
+ Object newValue)
+ {
+ // Does nothing.
+ }
+
+ /**
+ * Overriden for performance.
+ *
+ * <p>This method needs to be overridden in a subclass to actually
+ * do something.</p>
+ */
+ public void firePropertyChange(String propertyName, boolean oldValue,
+ boolean newValue)
+ {
+ // Does nothing.
+ }
+
+ /**
+ * Sets the String for this cell.
+ *
+ * @param value the string value for this cell; if value is null it
+ * sets the text value to an empty string
+ */
+ protected void setValue(Object value)
+ {
+ if (value != null)
+ setText(value.toString());
+ else
+ // null is rendered as an empty cell.
+ setText("");
+ }
+}