src/main/java/jp/naist/se/stigmata/ui/swing/actions/ShowTextAction.java

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