1 files changed, 98 insertions, 0 deletions
diff --git a/deprecated/org.eclipse.papyrus.infra.gmfdiag.xtext.glue/src/org/eclipse/papyrus/infra/gmfdiag/xtext/glue/edit/part/PopupXtextEditorKeyListener.java b/deprecated/org.eclipse.papyrus.infra.gmfdiag.xtext.glue/src/org/eclipse/papyrus/infra/gmfdiag/xtext/glue/edit/part/PopupXtextEditorKeyListener.java
new file mode 100644
index 00000000000..0cc682bb923
--- /dev/null
+++ b/deprecated/org.eclipse.papyrus.infra.gmfdiag.xtext.glue/src/org/eclipse/papyrus/infra/gmfdiag/xtext/glue/edit/part/PopupXtextEditorKeyListener.java
@@ -0,0 +1,98 @@
+/*******************************************************************************
+ * Copyright (c) 2010 itemis AG (http://www.itemis.eu) and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *******************************************************************************/
+package org.eclipse.papyrus.infra.gmfdiag.xtext.glue.edit.part;
+
+import org.eclipse.jface.text.contentassist.ContentAssistEvent;
+import org.eclipse.jface.text.contentassist.ContentAssistant;
+import org.eclipse.jface.text.contentassist.ICompletionListener;
+import org.eclipse.jface.text.contentassist.ICompletionProposal;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.custom.VerifyKeyListener;
+import org.eclipse.swt.events.KeyAdapter;
+import org.eclipse.swt.events.KeyEvent;
+import org.eclipse.swt.events.VerifyEvent;
+
+/**
+ * @author koehnlein
+ */
+public class PopupXtextEditorKeyListener extends KeyAdapter implements VerifyKeyListener {
+
+	private final PopupXtextEditorHelper popupXtextEditorHelper;
+
+	private ContentAssistant contentAssistant;
+
+	private boolean isIgnoreNextESC;
+
+	/**
+	 * This element comes from the XText/GMF integration example, and was not originally documented.
+	 * @param popupXtextEditorHelper 
+	 * @param contentAssistant 
+	 */
+	public PopupXtextEditorKeyListener(PopupXtextEditorHelper popupXtextEditorHelper, ContentAssistant contentAssistant) {
+		this.popupXtextEditorHelper = popupXtextEditorHelper;
+		this.contentAssistant = contentAssistant;
+		isIgnoreNextESC = false;
+	}
+
+	@Override
+	public void keyPressed(KeyEvent e) {
+		int keyCode = e.keyCode;
+		if ((e.stateMask & SWT.CTRL) != 0 && ((keyCode == SWT.KEYPAD_CR) || (keyCode == SWT.CR))) {
+			this.popupXtextEditorHelper.closeEditor(true);
+		}
+		if (keyCode == SWT.ESC) {
+			if (isIgnoreNextESC) {
+				isIgnoreNextESC = false;
+			} else {
+				PopupXtextEditorHelper.ignoreFocusLost = true ;
+				this.popupXtextEditorHelper.closeEditor(false);
+			}
+		}
+		if ((e.stateMask & SWT.CTRL) != 0 && (keyCode == ' ')) {
+			this.contentAssistant.setRepeatedInvocationMode(true) ;
+			this.contentAssistant.showPossibleCompletions() ;
+			
+			this.isIgnoreNextESC = true ;
+			contentAssistant.addCompletionListener(new ICompletionListener() {
+				
+				public void selectionChanged(ICompletionProposal proposal, boolean smartToggle) {		
+				}
+				
+				public void assistSessionStarted(ContentAssistEvent event) {
+				}
+				
+				public void assistSessionEnded(ContentAssistEvent event) {
+					try {
+						popupXtextEditorHelper.getSourceViewerHandle().getViewer().getTextWidget().setFocus() ;
+					}
+					catch (Exception e) {
+						//ignore
+					}
+				}
+			}) ;
+		}
+	}
+
+	public void verifyKey(VerifyEvent e) {
+		if (e.keyCode == SWT.ESC && isContentAssistActive()) {
+			isIgnoreNextESC = true;
+		}
+		if ((e.stateMask & SWT.CTRL) != 0 && ((e.keyCode == SWT.KEYPAD_CR) || (e.keyCode == SWT.CR))) {
+			e.doit = false;
+		}
+	}
+
+	/**
+	 * @return true if the proposal popup has focus
+	 *
+	 */
+	public boolean isContentAssistActive() {
+		return contentAssistant != null && contentAssistant.hasProposalPopupFocus();
+	}
+	
+}
+\ No newline at end of file