From 285f81db65dfd39783cfbeb25528823bf88c646c Mon Sep 17 00:00:00 2001
From: Manindra Moharana <mkmoharana29@gmail.com>
Date: Sun, 25 Aug 2013 18:36:37 +0530
Subject: [PATCH] adding option for disabling completions, fixes #10

---
 .../mode/experimental/ASTGenerator.java          |  4 ++++
 .../mode/experimental/DebugEditor.java           | 16 ++++++++++++++++
 .../processing/mode/experimental/TextArea.java   |  2 +-
 3 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/pdex/src/processing/mode/experimental/ASTGenerator.java b/pdex/src/processing/mode/experimental/ASTGenerator.java
index d20b6fc1a..ba6e3301e 100644
--- a/pdex/src/processing/mode/experimental/ASTGenerator.java
+++ b/pdex/src/processing/mode/experimental/ASTGenerator.java
@@ -31,6 +31,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.Stack;
 import java.util.TreeMap;
+import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.regex.Pattern;
 
 import javax.swing.BorderFactory;
@@ -154,6 +155,7 @@ public class ASTGenerator {
     setupGUI();
     //addCompletionPopupListner();
     addListeners(); loadJavaDoc();
+    predictionsEnabled = new AtomicBoolean(true);
   }
   
   protected void setupGUI(){
@@ -776,8 +778,10 @@ public class ASTGenerator {
    */
   protected ArrayList<CompletionCandidate> candidates;
   protected String lastPredictedWord = " ";
+  protected AtomicBoolean predictionsEnabled;
   
   public void preparePredictions(final String word, final int line, final int lineStartNonWSOffset) {
+    if(!predictionsEnabled.get()) return;
     // This method is called from TextArea.fetchPhrase, which is called via a SwingWorker instance
     // in TextArea.processKeyEvent
     if(caretWithinLineComment()){
diff --git a/pdex/src/processing/mode/experimental/DebugEditor.java b/pdex/src/processing/mode/experimental/DebugEditor.java
index 34e02d598..6506b6e8f 100755
--- a/pdex/src/processing/mode/experimental/DebugEditor.java
+++ b/pdex/src/processing/mode/experimental/DebugEditor.java
@@ -166,6 +166,11 @@ public class DebugEditor extends JavaEditor implements ActionListener {
      */
     protected JCheckBoxMenuItem writeErrorLog;
     
+    /**
+     * Enable/Disable code completion
+     */
+    protected JCheckBoxMenuItem completionsEnabled;
+    
     public DebugEditor(Base base, String path, EditorState state, Mode mode) {
         super(base, path, state, mode);
 
@@ -521,6 +526,17 @@ public class DebugEditor extends JavaEditor implements ActionListener {
         });
         debugMenu.add(showWarnings);
         
+        completionsEnabled = new JCheckBoxMenuItem("Code Completion Enabled");
+        completionsEnabled.setSelected(true);
+        completionsEnabled.addActionListener(new ActionListener() {
+          @Override
+          public void actionPerformed(ActionEvent e) {
+        errorCheckerService.getASTGenerator().predictionsEnabled
+            .set(((JCheckBoxMenuItem) e.getSource()).isSelected());
+          }
+        });
+        debugMenu.add(completionsEnabled);
+        
         debugMessagesEnabled = new JCheckBoxMenuItem("Show Debug Messages");
         debugMessagesEnabled.setSelected(ExperimentalMode.DEBUG);
         debugMessagesEnabled.addActionListener(new ActionListener() {
diff --git a/pdex/src/processing/mode/experimental/TextArea.java b/pdex/src/processing/mode/experimental/TextArea.java
index 4468951dd..0d54ecd5c 100644
--- a/pdex/src/processing/mode/experimental/TextArea.java
+++ b/pdex/src/processing/mode/experimental/TextArea.java
@@ -179,7 +179,7 @@ public class TextArea extends JEditTextArea {
     }
       super.processKeyEvent(evt);
       
-    if (evt.getID() == KeyEvent.KEY_TYPED) {
+    if (evt.getID() == KeyEvent.KEY_TYPED && editor.errorCheckerService.getASTGenerator().predictionsEnabled.get()) {
       final KeyEvent evt2 = evt;
       SwingWorker worker = new SwingWorker() {
         protected Object doInBackground() throws Exception {