src/main/java/jp/sourceforge/stigmata/ui/swing/actions/ShowTextAction.java

   1 package jp.sourceforge.stigmata.ui.swing.actions;
   2
   3 /*
   4  * $Id$
   5  */
   6
   7 import java.awt.BorderLayout;
   8 import java.awt.Dimension;
   9 import java.awt.event.ActionEvent;
  10 import java.io.BufferedReader;
  11 import java.io.IOException;
  12 import java.io.InputStreamReader;
  13 import java.io.PrintWriter;
  14 import java.io.StringWriter;
  15 import java.net.URL;
  16
  17 import javax.swing.AbstractAction;
  18 import javax.swing.JEditorPane;
  19 import javax.swing.JOptionPane;
  20 import javax.swing.JPanel;
  21 import javax.swing.JScrollPane;
  22
  23 import jp.sourceforge.stigmata.ui.swing.StigmataFrame;
  24 import jp.sourceforge.talisman.i18n.Messages;
  25
  26 /**
  27  *
  28  * @author Haruaki TAMADA
  29  * @version $Revision$
  30  */
  31 abstract class ShowTextAction extends AbstractAction{
  32         private static final long serialVersionUID = 7341139545864209076L;
  33
  34         private StigmataFrame parent;
  35
  36     public ShowTextAction(StigmataFrame parent){
  37         this.parent = parent;
  38     }
  39
  40     public abstract String getMessage();
  41
  42     protected void updatePanel(JPanel panel){
  43     }
  44
  45     public abstract String getTitle();
  46
  47     public boolean isHtmlDocument(){
  48         return false;
  49     }
  50
  51     public Messages getMessages(){
  52         return parent.getMessages();
  53     }
  54
  55     @Override
  56     public void actionPerformed(ActionEvent e){
  57         String message = getMessage();
  58         JPanel panel = new JPanel(new BorderLayout());
  59         JScrollPane scroll = new JScrollPane();
  60         String mimeType = "text/plain";
  61         if(isHtmlDocument()){
  62             mimeType = "text/html";
  63         }
  64         JEditorPane text = new JEditorPane(mimeType, message);
  65         text.addHyperlinkListener(new LinkFollower());
  66
  67         text.setEditable(false);
  68         text.setCaretPosition(0);
  69         text.setBackground(panel.getBackground());
  70         scroll.setViewportView(text);
  71
  72         panel.add(scroll, BorderLayout.CENTER);
  73         panel.setPreferredSize(new Dimension(500, 300));
  74
  75         updatePanel(panel);
  76
  77         JOptionPane.showMessageDialog(
  78             parent, panel, getTitle(),
  79             JOptionPane.INFORMATION_MESSAGE
  80         );
  81     }
  82
  83     protected String loadStringFromFile(URL url){
  84         try{
  85             String line;
  86             BufferedReader in = new BufferedReader(new InputStreamReader(url.openStream()));
  87             StringWriter writer = new StringWriter();
  88             PrintWriter out = new PrintWriter(writer);
  89             while((line = in.readLine()) != null){
  90                 out.print(line);
  91                 out.println();
  92             }
  93             out.close();
  94             in.close();
  95
  96             return writer.toString();
  97         }catch(IOException e){
  98             e.printStackTrace();
  99         }
 100         return null;
 101     }
 102 }