ekit/com/hexidec/ekit/action/ListAutomationAction.java

   1 /*
   2 GNU Lesser General Public License
   3
   4 ListAutomationAction
   5 Copyright (C) 2000-2003 Howard Kistler
   6
   7 This library is free software; you can redistribute it and/or
   8 modify it under the terms of the GNU Lesser General Public
   9 License as published by the Free Software Foundation; either
  10 version 2.1 of the License, or (at your option) any later version.
  11
  12 This library is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15 Lesser General Public License for more details.
  16
  17 You should have received a copy of the GNU Lesser General Public
  18 License along with this library; if not, write to the Free Software
  19 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20 */
  21
  22 package com.hexidec.ekit.action;
  23
  24 import java.awt.event.ActionEvent;
  25 import java.util.StringTokenizer;
  26 import javax.swing.JEditorPane;
  27 import javax.swing.text.BadLocationException;
  28 import javax.swing.text.html.HTML;
  29 import javax.swing.text.html.HTMLDocument;
  30 import javax.swing.text.html.HTMLEditorKit;
  31
  32 import com.hexidec.ekit.EkitCore;
  33 import com.hexidec.ekit.component.*;
  34
  35 import com.hexidec.util.Translatrix;
  36
  37 /** Class for automatically creating bulleted lists from selected text
  38   */
  39 public class ListAutomationAction extends HTMLEditorKit.InsertHTMLTextAction
  40 {
  41         protected EkitCore parentEkit;
  42         private HTML.Tag baseTag;
  43         private String sListType;
  44         private HTMLUtilities htmlUtilities;
  45
  46         public ListAutomationAction(EkitCore ekit, String sLabel, HTML.Tag listType)
  47         {
  48                 super(sLabel, "", listType, HTML.Tag.LI);
  49                 parentEkit = ekit;
  50                 baseTag    = listType;
  51                 htmlUtilities = new HTMLUtilities(ekit);
  52         }
  53
  54         public void actionPerformed(ActionEvent ae)
  55         {
  56                 try
  57                 {
  58                         JEditorPane jepEditor = (JEditorPane)(parentEkit.getTextPane());
  59                         String selTextBase = jepEditor.getSelectedText();
  60                         int textLength = -1;
  61                         if(selTextBase != null)
  62                         {
  63                                 textLength = selTextBase.length();
  64                         }
  65                         if(selTextBase == null || textLength < 1)
  66                         {
  67                                 int pos = parentEkit.getCaretPosition();
  68                                 parentEkit.setCaretPosition(pos);
  69                                 if(ae.getActionCommand() != "newListPoint")
  70                                 {
  71                                         if(htmlUtilities.checkParentsTag(HTML.Tag.OL) || htmlUtilities.checkParentsTag(HTML.Tag.UL))
  72                                         {
  73                                                 new SimpleInfoDialog(parentEkit.getFrame(), Translatrix.getTranslationString("Error"), true, Translatrix.getTranslationString("ErrorNestedListsNotSupported"));
  74                                                 return;
  75                                         }
  76                                 }
  77                                 String sListType = (baseTag == HTML.Tag.OL ? "ol" : "ul");
  78                                 StringBuffer sbNew = new StringBuffer();
  79                                 if(htmlUtilities.checkParentsTag(baseTag))
  80                                 {
  81                                         sbNew.append("<li></li>");
  82                                         insertHTML(parentEkit.getTextPane(), parentEkit.getExtendedHtmlDoc(), parentEkit.getTextPane().getCaretPosition(), sbNew.toString(), 0, 0, HTML.Tag.LI);
  83                                 }
  84                                 else
  85                                 {
  86                                         sbNew.append("<" + sListType + "><li></li></" + sListType + "><p>&nbsp;</p>");
  87                                         insertHTML(parentEkit.getTextPane(), parentEkit.getExtendedHtmlDoc(), parentEkit.getTextPane().getCaretPosition(), sbNew.toString(), 0, 0, (sListType.equals("ol") ? HTML.Tag.OL : HTML.Tag.UL));
  88                                 }
  89                                 parentEkit.refreshOnUpdate();
  90                         }
  91                         else
  92                         {
  93                                 String sListType = (baseTag == HTML.Tag.OL ? "ol" : "ul");
  94                                 HTMLDocument htmlDoc = (HTMLDocument)(jepEditor.getDocument());
  95                                 int iStart = jepEditor.getSelectionStart();
  96                                 int iEnd   = jepEditor.getSelectionEnd();
  97                                 String selText = htmlDoc.getText(iStart, iEnd - iStart);
  98                                 StringBuffer sbNew = new StringBuffer();
  99                                 String sToken = ((selText.indexOf("\r") > -1) ? "\r" : "\n");
 100                                 StringTokenizer stTokenizer = new StringTokenizer(selText, sToken);
 101                                 sbNew.append("<" + sListType + ">");
 102                                 while(stTokenizer.hasMoreTokens())
 103                                 {
 104                                         sbNew.append("<li>");
 105                                         sbNew.append(stTokenizer.nextToken());
 106                                         sbNew.append("</li>");
 107                                 }
 108                                 sbNew.append("</" + sListType + "><p>&nbsp;</p>");
 109                                 htmlDoc.remove(iStart, iEnd - iStart);
 110                                 insertHTML(jepEditor, htmlDoc, iStart, sbNew.toString(), 1, 1, null);
 111                         }
 112                 }
 113                 catch (BadLocationException ble) {}
 114         }
 115 }