Index: /trunk/quest-core-events-test/src/test/java/de/ugoe/cs/quest/eventcore/gui/TextInputDetectorTest.java
===================================================================
--- /trunk/quest-core-events-test/src/test/java/de/ugoe/cs/quest/eventcore/gui/TextInputDetectorTest.java	(revision 688)
+++ /trunk/quest-core-events-test/src/test/java/de/ugoe/cs/quest/eventcore/gui/TextInputDetectorTest.java	(revision 688)
@@ -0,0 +1,216 @@
+package de.ugoe.cs.quest.eventcore.gui;
+
+import static org.junit.Assert.*;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.junit.Test;
+
+import de.ugoe.cs.quest.eventcore.Event;
+import de.ugoe.cs.quest.eventcore.IEventType;
+import de.ugoe.cs.quest.eventcore.guimodel.IGUIElement;
+import de.ugoe.cs.quest.test.DummyGUIElement;
+import de.ugoe.cs.quest.test.DummyTextField;
+import de.ugoe.cs.tasktree.keyboardmaps.VirtualKey;
+
+/**
+ * @author Patrick Harms
+ */
+public class TextInputDetectorTest {
+
+    private List<Event> events = new ArrayList<Event>();
+
+    /**
+     *
+     */
+    @Test
+    public void testSimpleTextEntry() {
+        IGUIElement element1 = new DummyTextField("elem1");
+        simulateEvent(new KeyPressed(VirtualKey.LETTER_A), element1);
+        simulateEvent(new KeyReleased(VirtualKey.LETTER_A), element1);
+        assertTextInput("a");
+
+        simulateEvent(new KeyPressed(VirtualKey.LETTER_B), element1);
+        simulateEvent(new KeyReleased(VirtualKey.LETTER_B), element1);
+        assertTextInput("ab");
+
+        simulateEvent(new KeyPressed(VirtualKey.SHIFT), element1);
+        simulateEvent(new KeyPressed(VirtualKey.LETTER_C), element1);
+        simulateEvent(new KeyReleased(VirtualKey.LETTER_C), element1);
+        simulateEvent(new KeyReleased(VirtualKey.SHIFT), element1);
+        assertTextInput("abC");
+
+        simulateEvent(new KeyPressed(VirtualKey.SHIFT), element1);
+        simulateEvent(new KeyPressed(VirtualKey.LETTER_D), element1);
+        simulateEvent(new KeyReleased(VirtualKey.LETTER_D), element1);
+        simulateEvent(new KeyPressed(VirtualKey.LETTER_E), element1);
+        simulateEvent(new KeyReleased(VirtualKey.LETTER_E), element1);
+        simulateEvent(new KeyPressed(VirtualKey.LETTER_F), element1);
+        simulateEvent(new KeyReleased(VirtualKey.LETTER_F), element1);
+        simulateEvent(new KeyReleased(VirtualKey.SHIFT), element1);
+        assertTextInput("abCDEF");
+
+        simulateEvent(new KeyPressed(VirtualKey.SHIFT), element1);
+        simulateEvent(new KeyPressed(VirtualKey.SHIFT), element1);
+        simulateEvent(new KeyPressed(VirtualKey.LETTER_G), element1);
+        simulateEvent(new KeyReleased(VirtualKey.LETTER_G), element1);
+        simulateEvent(new KeyReleased(VirtualKey.SHIFT), element1);
+        simulateEvent(new KeyReleased(VirtualKey.SHIFT), element1);
+        assertTextInput("abCDEFg");
+
+    }
+
+    /**
+     *
+     */
+    @Test
+    public void testTextEntryOnDifferentGuiElements() {
+        IGUIElement element1 = new DummyTextField("elem1");
+        IGUIElement element2 = new DummyTextField("elem2");
+        simulateEvent(new KeyPressed(VirtualKey.LETTER_A), element1);
+        simulateEvent(new KeyReleased(VirtualKey.LETTER_A), element1);
+        assertTextInput("a");
+
+        simulateEvent(new KeyPressed(VirtualKey.LETTER_B), element2);
+        simulateEvent(new KeyReleased(VirtualKey.LETTER_B), element2);
+        assertTextInput("a", "b");
+
+        simulateEvent(new KeyPressed(VirtualKey.SHIFT), element1);
+        simulateEvent(new KeyPressed(VirtualKey.LETTER_C), element1);
+        simulateEvent(new KeyReleased(VirtualKey.LETTER_C), element1);
+        simulateEvent(new KeyReleased(VirtualKey.SHIFT), element1);
+        assertTextInput("a", "b", "C");
+
+        simulateEvent(new KeyPressed(VirtualKey.SHIFT), element2);
+        simulateEvent(new KeyPressed(VirtualKey.LETTER_D), element2);
+        simulateEvent(new KeyReleased(VirtualKey.LETTER_D), element2);
+        simulateEvent(new KeyPressed(VirtualKey.LETTER_E), element2);
+        simulateEvent(new KeyReleased(VirtualKey.LETTER_E), element2);
+        simulateEvent(new KeyPressed(VirtualKey.LETTER_F), element2);
+        simulateEvent(new KeyReleased(VirtualKey.LETTER_F), element2);
+        simulateEvent(new KeyReleased(VirtualKey.SHIFT), element2);
+        assertTextInput("a", "b", "C", "DEF");
+
+        simulateEvent(new KeyPressed(VirtualKey.SHIFT), element1);
+        simulateEvent(new KeyPressed(VirtualKey.SHIFT), element1);
+        simulateEvent(new KeyPressed(VirtualKey.LETTER_G), element1);
+        simulateEvent(new KeyReleased(VirtualKey.LETTER_G), element1);
+        simulateEvent(new KeyReleased(VirtualKey.SHIFT), element1);
+        simulateEvent(new KeyReleased(VirtualKey.SHIFT), element1);
+        assertTextInput("a", "b", "C", "DEF", "g");
+
+    }
+
+    /**
+     *
+     */
+    @Test
+    public void testUsageOfBackspace() {
+        IGUIElement element1 = new DummyTextField("elem1");
+        simulateEvent(new KeyPressed(VirtualKey.LETTER_A), element1);
+        simulateEvent(new KeyReleased(VirtualKey.LETTER_A), element1);
+        simulateEvent(new KeyPressed(VirtualKey.LETTER_B), element1);
+        simulateEvent(new KeyReleased(VirtualKey.LETTER_B), element1);
+        simulateEvent(new KeyPressed(VirtualKey.LETTER_C), element1);
+        simulateEvent(new KeyReleased(VirtualKey.LETTER_C), element1);
+        simulateEvent(new KeyPressed(VirtualKey.LETTER_D), element1);
+        simulateEvent(new KeyReleased(VirtualKey.LETTER_D), element1);
+        simulateEvent(new KeyPressed(VirtualKey.BACK_SPACE), element1);
+        simulateEvent(new KeyReleased(VirtualKey.BACK_SPACE), element1);
+        simulateEvent(new KeyPressed(VirtualKey.LETTER_E), element1);
+        simulateEvent(new KeyReleased(VirtualKey.LETTER_E), element1);
+        simulateEvent(new KeyPressed(VirtualKey.LETTER_F), element1);
+        simulateEvent(new KeyReleased(VirtualKey.LETTER_F), element1);
+        assertTextInput("abcef");
+
+        simulateEvent(new KeyPressed(VirtualKey.BACK_SPACE), element1);
+        simulateEvent(new KeyReleased(VirtualKey.BACK_SPACE), element1);
+        simulateEvent(new KeyPressed(VirtualKey.BACK_SPACE), element1);
+        simulateEvent(new KeyReleased(VirtualKey.BACK_SPACE), element1);
+        simulateEvent(new KeyPressed(VirtualKey.BACK_SPACE), element1);
+        simulateEvent(new KeyReleased(VirtualKey.BACK_SPACE), element1);
+        assertTextInput("ab");
+
+    }
+
+    /**
+     *
+     */
+    @Test
+    public void testOtherInteractionsInBetween() {
+        IGUIElement element1 = new DummyTextField("elem1");
+        IGUIElement element2 = new DummyGUIElement("elem2");
+        IGUIElement element3 = new DummyGUIElement("elem3");
+        
+        simulateEvent(new MouseClick(MouseClick.Button.LEFT), element2);
+        simulateEvent(new KeyPressed(VirtualKey.LETTER_A), element1);
+        simulateEvent(new KeyReleased(VirtualKey.LETTER_A), element1);
+        simulateEvent(new KeyPressed(VirtualKey.LETTER_B), element1);
+        simulateEvent(new KeyReleased(VirtualKey.LETTER_B), element1);
+        simulateEvent(new KeyPressed(VirtualKey.LETTER_C), element1);
+        simulateEvent(new KeyReleased(VirtualKey.LETTER_C), element1);
+        assertTextInput("", "abc");
+
+        simulateEvent(new MouseClick(MouseClick.Button.LEFT), element2);
+        simulateEvent(new MouseClick(MouseClick.Button.LEFT), element3);
+        simulateEvent(new KeyPressed(VirtualKey.LETTER_A), element1);
+        simulateEvent(new KeyReleased(VirtualKey.LETTER_A), element1);
+        simulateEvent(new KeyPressed(VirtualKey.LETTER_B), element1);
+        simulateEvent(new KeyReleased(VirtualKey.LETTER_B), element1);
+        simulateEvent(new KeyPressed(VirtualKey.LETTER_C), element1);
+        simulateEvent(new KeyReleased(VirtualKey.LETTER_C), element1);
+        simulateEvent(new MouseClick(MouseClick.Button.LEFT), element3);
+        assertTextInput("", "abc", "", "", "abc", "");
+
+        simulateEvent(new MouseClick(MouseClick.Button.LEFT), element2);
+        simulateEvent(new MouseClick(MouseClick.Button.LEFT), element3);
+        simulateEvent(new KeyPressed(VirtualKey.LETTER_A), element1);
+        simulateEvent(new KeyReleased(VirtualKey.LETTER_A), element1);
+        simulateEvent(new KeyPressed(VirtualKey.LETTER_B), element1);
+        simulateEvent(new KeyReleased(VirtualKey.LETTER_B), element1);
+        simulateEvent(new KeyPressed(VirtualKey.LETTER_C), element1);
+        simulateEvent(new MouseClick(MouseClick.Button.LEFT), element3);
+        simulateEvent(new KeyReleased(VirtualKey.LETTER_C), element1);
+        
+        // the pressing of the c is not completed. So it must be included in the resulting
+        // text input event but it may only be followed by the mouse click. The subsequent release
+        // of the c key is ignored and results in a removal of the event.
+        assertTextInput("", "abc", "", "", "abc", "", "", "", "abc", "");
+    }
+
+    /**
+     *
+     */
+    private void simulateEvent(IEventType eventType, IGUIElement guiElement) {
+        events.add(new Event(eventType, guiElement));
+    }
+
+    /**
+     *
+     */
+    private void assertTextInput(String... enteredTexts) {
+        TextInputDetector detector = new TextInputDetector();
+        List<Event> result = detector.detectTextInputs(events);
+        
+        assertEquals(enteredTexts.length, result.size());
+        
+        for (int i = 0; i < enteredTexts.length; i++) {
+            String enteredText = enteredTexts[i];
+            
+            if ((enteredText != null) && (!"".equals(enteredText))) {
+                assertTrue(result.get(i).getType() instanceof TextInput);
+                assertNotNull(((TextInput) result.get(i).getType()).getEnteredText());
+                assertEquals(enteredText, ((TextInput) result.get(i).getType()).getEnteredText());
+            
+                assertNotNull(((TextInput) result.get(i).getType()).getTextInputEvents());
+                assertTrue(((TextInput) result.get(i).getType()).getTextInputEvents().size() > 0);
+                //assertTrue
+                //    ((((TextInput) result.get(i).getType()).getTextInputEvents().size() % 2) == 0);
+            }
+            else {
+                assertFalse(result.get(i).getType() instanceof TextInput);
+            }
+        }
+    }
+}