intial source from http://www.sf.net/projects/wdte

[phpeclipse.git] / net.sourceforge.phpeclipse.ui / src / net / sourceforge / phpeclipse / ui / text / TextDoubleClickStrategy.java

diff --git a/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpeclipse/ui/text/TextDoubleClickStrategy.java b/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpeclipse/ui/text/TextDoubleClickStrategy.java
new file mode 100644 (file)
index 0000000..c3e70a5
--- /dev/null
+++ b/net.sourceforge.phpeclipse.ui/src/net/sourceforge/phpeclipse/ui/text/TextDoubleClickStrategy.java
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2002-2004 Widespace, OU and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://solareclipse.sourceforge.net/legal/cpl-v10.html
+ * 
+ * Contributors:
+ *     Igor Malinin - initial contribution
+ * 
+ * $Id: TextDoubleClickStrategy.java,v 1.1 2004-09-02 18:26:49 jsurfer Exp $
+ */
+
+package net.sourceforge.phpeclipse.ui.text;
+
+import org.eclipse.jface.text.BadLocationException;
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.ITextDoubleClickStrategy;
+import org.eclipse.jface.text.ITextViewer;
+
+/**
+ * @author Igor Malinin
+ */
+public class TextDoubleClickStrategy implements ITextDoubleClickStrategy {
+
+       /*
+        * @see org.eclipse.jface.text.ITextDoubleClickStrategy#doubleClicked(ITextViewer)
+        */
+       public void doubleClicked(ITextViewer viewer) {
+               int offset = viewer.getSelectedRange().x;
+               if (offset < 0) { return; }
+
+               selectWord(viewer, viewer.getDocument(), offset);
+       }
+
+       protected void selectWord(ITextViewer textViewer, IDocument document,
+                       int offset) {
+               try {
+                       int start = offset;
+                       while (start >= 0) {
+                               char c = document.getChar(start);
+
+                               if (!Character.isUnicodeIdentifierPart(c)) {
+                                       break;
+                               }
+
+                               --start;
+                       }
+
+                       int length = document.getLength();
+
+                       int end = offset;
+                       while (end < length) {
+                               char c = document.getChar(end);
+
+                               if (!Character.isUnicodeIdentifierPart(c)) {
+                                       break;
+                               }
+
+                               ++end;
+                       }
+
+                       if (start == end) {
+                               textViewer.setSelectedRange(start, 0);
+                       } else {
+                               textViewer.setSelectedRange(start + 1, end - start - 1);
+                       }
+               } catch (BadLocationException x) {
+               }
+       }
+}