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

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