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

[phpeclipse.git] / archive / net.sourceforge.phpeclipse.js.ui / src / net / sourceforge / phpeclipse / js / ui / editors / JSDoubleClickStrategy.java

diff --git a/archive/net.sourceforge.phpeclipse.js.ui/src/net/sourceforge/phpeclipse/js/ui/editors/JSDoubleClickStrategy.java b/archive/net.sourceforge.phpeclipse.js.ui/src/net/sourceforge/phpeclipse/js/ui/editors/JSDoubleClickStrategy.java
new file mode 100644 (file)
index 0000000..8317759
--- /dev/null
+++ b/archive/net.sourceforge.phpeclipse.js.ui/src/net/sourceforge/phpeclipse/js/ui/editors/JSDoubleClickStrategy.java
@@ -0,0 +1,217 @@
+/*
+ * $RCSfile: JSDoubleClickStrategy.java,v $
+ *
+ * Copyright 2002
+ * CH-1700 Fribourg, Switzerland
+ * All rights reserved.
+ *
+ *========================================================================
+ * Modifications history
+ *========================================================================
+ * $Log: not supported by cvs2svn $
+ * Revision 1.1  2004/02/05 03:13:28  agfitzp
+ * Initial submission, outline view is broken due to refactoring
+ *
+ * Revision 1.1  2003/05/28 15:17:12  agfitzp
+ * net.sourceforge.phpeclipse.js.ui 0.0.1 code base
+ *
+ *========================================================================
+*/
+
+package net.sourceforge.phpeclipse.js.ui.editors;
+
+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 $Author: jsurfer $, $Date: 2004-09-02 18:23:49 $
+ *
+ * @version $Revision: 1.1 $
+ */
+public class JSDoubleClickStrategy implements ITextDoubleClickStrategy
+{
+   protected ITextViewer fText;
+
+   /**
+    * Creates a new JSDoubleClickStrategy object.
+    */
+   public JSDoubleClickStrategy()
+   {
+      super();
+   }
+
+   /**
+    *
+    *
+    * @param part 
+    */
+   public void doubleClicked(ITextViewer part)
+   {
+      int pos = part.getSelectedRange().x;
+
+      if(pos < 0)
+      {
+         return;
+      }
+
+      fText = part;
+
+      if(!selectComment(pos))
+      {
+         selectWord(pos);
+      }
+   }
+
+   /**
+    *
+    *
+    * @param caretPos 
+    *
+    * @return 
+    */
+   protected boolean selectComment(int caretPos)
+   {
+      IDocument doc = fText.getDocument();
+      int startPos;
+      int endPos;
+
+      try
+      {
+         int pos = caretPos;
+         char c = ' ';
+
+         while(pos >= 0)
+         {
+            c = doc.getChar(pos);
+
+            if(c == '\\')
+            {
+               pos -= 2;
+
+               continue;
+            }
+
+            if(c == Character.LINE_SEPARATOR || c == '\"')
+            {
+               break;
+            }
+
+            --pos;
+         }
+
+         if(c != '\"')
+         {
+            return false;
+         }
+
+         startPos = pos;
+
+         pos = caretPos;
+
+         int length = doc.getLength();
+         c = ' ';
+
+         while(pos < length)
+         {
+            c = doc.getChar(pos);
+
+            if(c == Character.LINE_SEPARATOR || c == '\"')
+            {
+               break;
+            }
+
+            ++pos;
+         }
+
+         if(c != '\"')
+         {
+            return false;
+         }
+
+         endPos = pos;
+
+         int offset = startPos + 1;
+         int len = endPos - offset;
+         fText.setSelectedRange(offset, len);
+
+         return true;
+      }
+      catch(BadLocationException x)
+      {
+      }
+
+      return false;
+   }
+
+   /**
+    *
+    *
+    * @param caretPos 
+    *
+    * @return 
+    */
+   protected boolean selectWord(int caretPos)
+   {
+      IDocument doc = fText.getDocument();
+      int startPos;
+      int endPos;
+
+      try
+      {
+         int pos = caretPos;
+         char c;
+
+         while(pos >= 0)
+         {
+            c = doc.getChar(pos);
+
+            if(!Character.isJavaIdentifierPart(c))
+            {
+               break;
+            }
+
+            --pos;
+         }
+
+         startPos = pos;
+
+         pos = caretPos;
+
+         int length = doc.getLength();
+
+         while(pos < length)
+         {
+            c = doc.getChar(pos);
+
+            if(!Character.isJavaIdentifierPart(c))
+            {
+               break;
+            }
+
+            ++pos;
+         }
+
+         endPos = pos;
+         selectRange(startPos, endPos);
+
+         return true;
+      }
+      catch(BadLocationException x)
+      {
+      }
+
+      return false;
+   }
+
+   private void selectRange(int startPos, int stopPos)
+   {
+      int offset = startPos + 1;
+      int length = stopPos - offset;
+      fText.setSelectedRange(offset, length);
+   }
+}
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