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