[Patchanim-commit] SF.net SVN: patchanim: [17] trunk/patchanim/src/com/mebigfatguy/patchanim/ gui/IntegerDocument.java

[<dbr...@us...>]

Revision: 17
          http://patchanim.svn.sourceforge.net/patchanim/?rev=17&view=rev
Author:   dbrosius
Date:     2008-01-25 22:02:34 -0800 (Fri, 25 Jan 2008)

Log Message:
-----------
document to enforce integer values

Added Paths:
-----------
    trunk/patchanim/src/com/mebigfatguy/patchanim/gui/IntegerDocument.java

Added: trunk/patchanim/src/com/mebigfatguy/patchanim/gui/IntegerDocument.java
===================================================================
--- trunk/patchanim/src/com/mebigfatguy/patchanim/gui/IntegerDocument.java	                        (rev 0)
+++ trunk/patchanim/src/com/mebigfatguy/patchanim/gui/IntegerDocument.java	2008-01-26 06:02:34 UTC (rev 17)
@@ -0,0 +1,50 @@
+/*
+ * patchanim - A bezier surface patch color blend gif builder
+ * Copyright (C) 2008 Dave Brosius
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+package com.mebigfatguy.patchanim.gui;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+import javax.swing.text.AttributeSet;
+import javax.swing.text.BadLocationException;
+import javax.swing.text.PlainDocument;
+
+
+public class IntegerDocument extends PlainDocument
+{
+    private static final long serialVersionUID = -1526356835854424028L;
+    
+	private static final Pattern INTEGERPATTERN = Pattern.compile("-?(:?[1-9][0-9]*)?");
+    
+    @Override
+    public void insertString(int offs, String str, AttributeSet a) throws BadLocationException {
+        String start = getText(0, offs);
+        String end = getText(offs, this.getLength() - offs);
+        String newIntegerString = (start + str + end).trim();
+        
+        if (newIntegerString.length() == 0)
+        	super.insertString(offs, str, a); 
+        else {
+	        Matcher m = INTEGERPATTERN.matcher(newIntegerString);
+	        if (m.matches()) {
+	            super.insertString(offs, str, a);
+	        }
+        }
+    }
+}
\ No newline at end of file


Property changes on: trunk/patchanim/src/com/mebigfatguy/patchanim/gui/IntegerDocument.java
___________________________________________________________________
Name: svn:mime-type
   + text/plain
Name: svn:eol-style
   + native


This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.