JAL-3026 srcjar files for VARNA and log4j

[jalview.git] / srcjar / fr / orsay / lri / varna / views / VueLoadColorMapValues.java

diff --git a/srcjar/fr/orsay/lri/varna/views/VueLoadColorMapValues.java b/srcjar/fr/orsay/lri/varna/views/VueLoadColorMapValues.java
new file mode 100644 (file)
index 0000000..3bfb27a
--- /dev/null
+++ b/srcjar/fr/orsay/lri/varna/views/VueLoadColorMapValues.java
@@ -0,0 +1,116 @@
+package fr.orsay.lri.varna.views;
+
+import java.awt.CardLayout;
+import java.awt.Dimension;
+import java.awt.GridLayout;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.Reader;
+import java.net.MalformedURLException;
+import java.net.URL;
+import java.net.URLConnection;
+
+import javax.swing.ButtonGroup;
+import javax.swing.JButton;
+import javax.swing.JCheckBox;
+import javax.swing.JFileChooser;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JRadioButton;
+import javax.swing.JTextField;
+
+import fr.orsay.lri.varna.VARNAPanel;
+
+public class VueLoadColorMapValues extends JPanel implements ActionListener {
+       /**
+        * 
+        */
+       private static final long serialVersionUID = -1648400107478203724L;
+       VARNAPanel _vp;
+       
+  public VueLoadColorMapValues(VARNAPanel vp)
+  {
+         _vp = vp;
+         init();
+  }
+  JRadioButton urlCB = new JRadioButton("URL"); 
+  JRadioButton fileCB = new JRadioButton("File");
+  JPanel urlAux = new JPanel();
+  JPanel fileAux = new JPanel();
+  CardLayout l = new CardLayout();
+  JPanel input = new JPanel();
+  JTextField urlTxt = new JTextField(); 
+  JTextField fileTxt = new JTextField(); 
+  JButton load = new JButton("Choose file");
+  
+  private void init()
+  {
+         setLayout(new GridLayout(2,1));
+         JPanel choice = new JPanel();
+         urlCB.addActionListener(this);
+         fileCB.addActionListener(this);
+         ButtonGroup group = new ButtonGroup();
+         group.add(urlCB);
+         group.add(fileCB);
+         choice.add(new JLabel("Choose input source:"));
+         choice.add(urlCB);
+         choice.add(fileCB);
+         input.setLayout(l);
+         urlTxt.setPreferredSize(new Dimension(300,30));
+         fileTxt.setPreferredSize(new Dimension(300,30));
+         urlAux.add(urlTxt);
+         fileAux.add(fileTxt);
+         fileAux.add(load);
+         input.add(fileAux,"file");
+         input.add(urlAux,"url");
+         group.setSelected(fileCB.getModel(), true);
+         load.addActionListener(this);
+         this.add(choice);
+         this.add(input);
+  }
+
+public void actionPerformed(ActionEvent e) {
+       if (e.getSource() instanceof JRadioButton)
+       {
+               if (urlCB.isSelected())
+               {
+                       l.show(input, "url");
+               }
+               else
+               {
+                       l.show(input, "file");
+               }
+       }
+       else if (e.getSource() instanceof JButton)
+       {
+               JFileChooser fc = new JFileChooser();
+               if (fc.showOpenDialog(_vp) == JFileChooser.APPROVE_OPTION)
+               {
+                       this.fileTxt.setText(fc.getSelectedFile().getAbsolutePath());
+               }
+       }
+}
+
+public Reader getReader() throws IOException
+{
+       if (urlCB.isSelected())
+       {
+               URL url = new URL(urlTxt.getText());
+               URLConnection connexion = url.openConnection();
+               connexion.setUseCaches(false);
+               InputStream r = connexion.getInputStream();
+               return new InputStreamReader(r);
+       }
+       else
+       {
+         return new FileReader(fileTxt.getText());
+       }
+       
+}
+
+}