abstract graph panel

git-svn-id: svn+ssh://svn.internal.sanger.ac.uk/repos/svn/pathsoft/artemis/trunk@14823 ee4ac58c-ac51-4696-9907-e4b3aa274f04

uk/ac/sanger/artemis/components/alignment/AbstractGraphPanel.java

+/* AbstractGraphPanel
+ *
+ * created: 2010
+ *
+ * This file is part of Artemis
+ *
+ * Copyright(C) 2010  Genome Research Limited
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ */
+package uk.ac.sanger.artemis.components.alignment;
+
+import java.awt.GridBagConstraints;
+import java.awt.GridBagLayout;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+
+import javax.swing.JCheckBox;
+import javax.swing.JLabel;
+import javax.swing.JMenuItem;
+import javax.swing.JOptionPane;
+import javax.swing.JPanel;
+import javax.swing.JPopupMenu;
+import javax.swing.JTextField;
+
+public class AbstractGraphPanel extends JPanel
+{
+  private static final long serialVersionUID = 1L;
+  protected int start;
+  protected int end;
+  protected float pixPerBase;
+  
+  protected boolean autoWinSize = true;
+  protected int userWinSize = 1;
+  protected JPopupMenu popup = new JPopupMenu();
+  
+  public void initPopupMenu(final JPanel graphPanel)
+  {
+    final JMenuItem setScale = new JMenuItem("Set the Window Size...");
+    setScale.addActionListener(new ActionListener()
+    {
+      public void actionPerformed(ActionEvent _)
+      {
+        GridBagLayout gridbag = new GridBagLayout();
+        GridBagConstraints c = new GridBagConstraints();
+        JPanel pane = new JPanel(gridbag);
+        final JTextField newWinSize = new JTextField(Integer.toString(userWinSize), 10);
+        final JLabel lab = new JLabel("Window size:");
+        c.gridy = 0;
+        pane.add(lab, c);
+        pane.add(newWinSize, c);
+
+        final JCheckBox autoSet = new JCheckBox("Automatically set window size", false);
+        autoSet.addActionListener(new ActionListener()
+        {
+          public void actionPerformed(ActionEvent e)
+          {
+            lab.setEnabled(!autoSet.isSelected());
+            newWinSize.setEnabled(!autoSet.isSelected());
+          }
+        });
+        c.gridy = 1;
+        c.gridwidth = GridBagConstraints.REMAINDER;
+        pane.add(autoSet, c);
+
+        String window_options[] = { "OK", "Cancel" };
+        int select = JOptionPane.showOptionDialog(null, pane, "Window Size",
+            JOptionPane.DEFAULT_OPTION, JOptionPane.QUESTION_MESSAGE, null,
+            window_options, window_options[0]);
+
+        if (select == 1)
+          return;
+        autoWinSize = autoSet.isSelected();
+        try
+        {
+          userWinSize = Integer.parseInt(newWinSize.getText().trim());
+        }
+        catch (NumberFormatException nfe)
+        {
+          return;
+        }
+        graphPanel.repaint();
+      }
+    });
+    popup.add(setScale);
+    
+    addMouseListener(new PopupListener());
+  }
+
+  protected void setStartAndEnd(int start, int end)
+  {
+    this.start = start;
+    this.end = end;
+  }
+
+  protected void setPixPerBase(float pixPerBase)
+  {
+    this.pixPerBase = pixPerBase;
+  }
+  
+  /**
+   * Popup menu listener
+   */
+   class PopupListener extends MouseAdapter
+   {
+     JMenuItem gotoMateMenuItem;
+     JMenuItem showDetails;
+     
+     public void mouseClicked(MouseEvent e)
+     {
+     }
+     
+     public void mousePressed(MouseEvent e)
+     {
+       maybeShowPopup(e);
+     }
+
+     public void mouseReleased(MouseEvent e)
+     {
+       maybeShowPopup(e);
+     }
+
+     private void maybeShowPopup(MouseEvent e)
+     {
+       if(e.isPopupTrigger())
+       {
+         popup.show(e.getComponent(),
+                 e.getX(), e.getY());
+       }
+     }
+   }
+}
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