Initial checkin of directory structure and source code of the java Activity

[privoxy.git] / src / java / org / privoxy / activityconsole / SortButtonRenderer.java

diff --git a/src/java/org/privoxy/activityconsole/SortButtonRenderer.java b/src/java/org/privoxy/activityconsole/SortButtonRenderer.java
new file mode 100644 (file)
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+++ b/src/java/org/privoxy/activityconsole/SortButtonRenderer.java
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+/*********************************************************************
+ *
+ * File        :  $Source$
+ *
+ * Purpose     :  Swing details of rendering a column header as a button.
+ *
+ * Copyright   :  Written by and Copyright (C) 2003 the SourceForge
+ *                Privoxy team. http://www.privoxy.org/
+ *
+ *                Based on the Internet Junkbuster originally written
+ *                by and Copyright (C) 1997 Anonymous Coders and
+ *                Junkbusters Corporation.  http://www.junkbusters.com
+ *
+ *                This program 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 of the License, or (at
+ *                your option) any later version.
+ *
+ *                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 General Public
+ *                License for more details.
+ *
+ *                The GNU General Public License should be included with
+ *                this file.  If not, you can view it at
+ *                http://www.gnu.org/copyleft/gpl.html
+ *                or write to the Free Software Foundation, Inc., 59
+ *                Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * Revisions   :
+ *    $Log$
+ *********************************************************************/
+
+package org.privoxy.activityconsole;
+
+import java.util.*;
+import java.awt.*;
+import javax.swing.*;
+import javax.swing.table.*;
+
+/** 
+ * Swing details of rendering a column header as a button.
+ * @author Last Modified By: $Author$
+ * @version $Rev$-$Date$$State$
+ */
+public class SortButtonRenderer extends JButton implements TableCellRenderer
+{
+
+  private static final String
+  COPYRIGHT = org.privoxy.activityconsole.Copyright.COPYRIGHT;
+
+  public static final int NONE = 0;
+  public static final int DOWN = 1;
+  public static final int UP   = 2;
+
+  int pushedColumn;
+  Hashtable state;
+  JButton downButton,upButton;
+
+  public SortButtonRenderer()
+  {
+    pushedColumn   = -1;
+    state = new Hashtable();
+
+    setMargin(new Insets(0,0,0,0));
+    setHorizontalTextPosition(LEFT);
+    setIcon(new BlankIcon());
+
+    downButton = new JButton();
+    downButton.setMargin(new Insets(0,0,0,0));
+    downButton.setHorizontalTextPosition(LEFT);
+    downButton.setIcon(new BevelArrowIcon(BevelArrowIcon.DOWN, false, false));
+    downButton.setPressedIcon(new BevelArrowIcon(BevelArrowIcon.DOWN, false, true));
+
+    upButton = new JButton();
+    upButton.setMargin(new Insets(0,0,0,0));
+    upButton.setHorizontalTextPosition(LEFT);
+    upButton.setIcon(new BevelArrowIcon(BevelArrowIcon.UP, false, false));
+    upButton.setPressedIcon(new BevelArrowIcon(BevelArrowIcon.UP, false, true));
+
+  }
+
+  public Component getTableCellRendererComponent(JTable table, Object value,
+                                                 boolean isSelected, boolean hasFocus, int row, int column)
+  {
+    JButton button = this;
+    Object obj = state.get(new Integer(column));
+    if (obj != null)
+    {
+      if (((Integer)obj).intValue() == DOWN)
+      {
+        button = downButton;
+      }
+      else
+      {
+        button = upButton;
+      }
+    }
+    button.setText((value ==null) ? "" : value.toString());
+    boolean isPressed = (column == pushedColumn);
+    button.getModel().setPressed(isPressed);
+    button.getModel().setArmed(isPressed);
+    return button;
+  }
+
+  public void setPressedColumn(int col)
+  {
+    pushedColumn = col;
+  }
+
+  public void setSelectedColumn(int col)
+  {
+    if (col < 0) return;
+    Integer value = null;
+    Object obj = state.get(new Integer(col));
+    if (obj == null)
+    {
+      value = new Integer(DOWN);
+    }
+    else
+    {
+      if (((Integer)obj).intValue() == DOWN)
+      {
+        value = new Integer(UP);
+      }
+      else
+      {
+        value = new Integer(DOWN);
+      }
+    }
+    state.clear();
+    state.put(new Integer(col), value);
+  } 
+
+  public int getState(int col)
+  {
+    int retValue;
+    Object obj = state.get(new Integer(col));
+    if (obj == null)
+    {
+      retValue = NONE;
+    }
+    else
+    {
+      if (((Integer)obj).intValue() == DOWN)
+      {
+        retValue = DOWN;
+      }
+      else
+      {
+        retValue = UP;
+      }
+    }
+    return retValue;
+  }
+}