From e1012ab0fcd9e420b2d619d853917d8ec481aa80 Mon Sep 17 00:00:00 2001
From: amwaterhouse <Andrew Waterhouse>
Date: Mon, 17 Jan 2005 14:15:30 +0000
Subject: [PATCH] New class

---
 src/jalview/gui/SecondaryStructurePanel.java |  194 ++++++++++++++++++++++++++
 1 file changed, 194 insertions(+)
 create mode 100755 src/jalview/gui/SecondaryStructurePanel.java

diff --git a/src/jalview/gui/SecondaryStructurePanel.java b/src/jalview/gui/SecondaryStructurePanel.java
new file mode 100755
index 0000000..1c8bd36
--- /dev/null
+++ b/src/jalview/gui/SecondaryStructurePanel.java
@@ -0,0 +1,194 @@
+package jalview.gui;
+
+import javax.swing.JPanel;
+import java.awt.event.*;
+import java.awt.*;
+import java.util.*;
+import javax.swing.*;
+import jalview.datamodel.*;
+
+public class SecondaryStructurePanel extends JPanel implements ActionListener
+{
+  AlignViewport av;
+  Vector structures;
+
+  SecondaryStructure amend;
+
+  public SecondaryStructurePanel(AlignViewport av)
+  {
+    this.av = av;
+    structures = new Vector();
+    setPreferredSize(new Dimension(500,30));
+
+    addMouseListener(new MouseAdapter()
+    {
+      public void mousePressed(MouseEvent evt)
+      { doMousePressed(evt); }
+      public void mouseReleased(MouseEvent evt)
+      { doMouseReleased(evt); }
+    });
+    addMouseMotionListener(new MouseMotionAdapter()
+    {
+      public void mouseDragged(MouseEvent evt)
+      { doMouseDragged(evt);  }
+    });
+  }
+
+  int startRes = 0;
+  int endRes = 0;
+  boolean amendStart = false;
+  boolean amendEnd = false;
+
+  public void doMousePressed(MouseEvent evt)
+  {
+    amend = null;
+    amendStart =false;
+    amendEnd = false;
+
+    startRes = evt.getX() / av.getCharWidth() + av.getStartRes();
+    for(int i=0; i<structures.size(); i++)
+    {
+      SecondaryStructure ss = (SecondaryStructure) structures.get(i);
+      if(startRes>=ss.start && startRes<=ss.end)
+      {
+        amend = ss;
+        if(startRes==ss.start)
+          amendStart = true;
+
+        if(startRes==ss.end)
+          amendEnd = true;
+
+        if(evt.getClickCount()==2)
+        {
+          String label = JOptionPane.showInputDialog(this, "Amend label", "Amend label", JOptionPane.QUESTION_MESSAGE );
+          if(label==null)
+            label = "";
+          ss.label = label;
+        }
+        break;
+      }
+    }
+    repaint();
+
+  }
+
+  public void doMouseReleased(MouseEvent evt)
+  {
+    endRes = evt.getX() / av.getCharWidth() + av.getStartRes();
+
+    if(amend!=null)
+    {
+      if(amendStart)
+        amend.start = endRes;
+      if(amendEnd)
+        amend.end = endRes;
+
+      amend=null;
+      repaint();
+      return;
+    }
+
+    endRes = evt.getX() / av.getCharWidth() + av.getStartRes();
+
+    JPopupMenu pop = new JPopupMenu("Structure type");
+    JMenuItem item = new JMenuItem("Helix");
+    item.addActionListener(this);
+    pop.add(item);
+    item = new JMenuItem("Sheet");
+    item.addActionListener(this);
+    pop.add(item);
+    pop.show(this, evt.getX(), evt.getY());
+
+  }
+
+  public void actionPerformed(ActionEvent evt)
+  {
+
+    int type = 0;
+    if(evt.getActionCommand().equals("Helix"))
+       type = SecondaryStructure.HELIX;
+    else if(evt.getActionCommand().equals("Sheet"))
+      type = SecondaryStructure.SHEET;
+
+    String label = JOptionPane.showInputDialog(this, "Enter a label for the structure?", "Enter label", JOptionPane.QUESTION_MESSAGE );
+    if(label==null)
+      label = "";
+
+    SecondaryStructure ss = new SecondaryStructure(startRes, endRes, type, label);
+    structures.add(ss);
+    repaint();
+
+  }
+
+  public void doMouseDragged(MouseEvent evt)
+  {
+    paintNow(getGraphics());
+  }
+
+  void paintNow(Graphics g)
+  {
+    g.setColor(Color.white);
+    g.setFont(new Font("Verdana", Font.PLAIN, 10));
+    g.fillRect(0,0,getWidth(),getHeight());
+    for(int i=0; i<structures.size(); i++)
+    {
+      SecondaryStructure ss = (SecondaryStructure)structures.get(i);
+
+
+      if(ss.type==SecondaryStructure.SHEET)
+      {
+        g.setColor(Color.orange);
+        if(ss==amend)
+          g.setColor(Color.red);
+
+        g.fillRect( (  ss.start - av.startRes) * av.charWidth,          4,
+                    (ss.end - ss.start) * av.charWidth, 7);
+
+        g.fillPolygon( new int[]{ (ss.end - av.startRes )* av.charWidth,
+                       ( ss.end - av.startRes )* av.charWidth,
+                       ( ss.end - av.startRes )* av.charWidth+7},
+                       new int[]{0,14,7}, 3);
+      }
+
+      if(ss.type==SecondaryStructure.HELIX)
+      {
+        g.setColor(Color.magenta);
+        if(ss==amend)
+          g.setColor(Color.red);
+        g.fillRoundRect((ss.start -av.startRes)* av.charWidth, 4,
+                   (ss.end - ss.start) * av.charWidth, 7, 8,8);
+      }
+
+
+
+      g.setColor(Color.black);
+
+      int labelWidth = g.getFontMetrics().stringWidth(ss.label);
+
+      g.drawString( ss.label,  (ss.start +(ss.end-ss.start)/2 -av.startRes)*av.charWidth - labelWidth/2, 24);
+    }
+  }
+
+  public void paintComponent(Graphics g)
+  {
+    paintNow(g);
+  }
+}
+
+class SecondaryStructure
+{
+  public static int HELIX = 1;
+  public static int SHEET = 2;
+  public String label="";
+  public int start= 20;
+  public int end  = 40;
+  public int type = HELIX;
+
+  public SecondaryStructure(int s, int e, int t, String l)
+  {
+    start = s; end = e; type = t; label = l;
+  }
+
+}
+
+
-- 
1.7.10.2