Bug 393126 - Fix autocompletion on template preview background

3 files changed, 135 insertions, 0 deletions

diff --git a/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/editor/templates/LuaDocumentorTemplateCompletionProcessor.java b/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/editor/templates/LuaDocumentorTemplateCompletionProcessor.java
index 85f8fb0..38fc89b 100644
--- a/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/editor/templates/LuaDocumentorTemplateCompletionProcessor.java
+++ b/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/editor/templates/LuaDocumentorTemplateCompletionProcessor.java
@@ -10,19 +10,27 @@
  *******************************************************************************/
 package org.eclipse.koneki.ldt.ui.internal.editor.templates;
 
+import org.eclipse.dltk.core.DLTKLanguageManager;
+import org.eclipse.dltk.core.IDLTKLanguageToolkit;
+import org.eclipse.dltk.internal.ui.editor.ScriptEditor;
+import org.eclipse.dltk.ui.DLTKUIPlugin;
 import org.eclipse.dltk.ui.templates.ScriptTemplateAccess;
 import org.eclipse.dltk.ui.templates.ScriptTemplateCompletionProcessor;
 import org.eclipse.dltk.ui.text.completion.ScriptContentAssistInvocationContext;
 import org.eclipse.jface.text.BadLocationException;
 import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.IInformationControlCreator;
 import org.eclipse.jface.text.IRegion;
 import org.eclipse.jface.text.ITextViewer;
 import org.eclipse.jface.text.contentassist.ICompletionProposal;
 import org.eclipse.jface.text.templates.Template;
 import org.eclipse.jface.text.templates.TemplateContext;
+import org.eclipse.jface.window.Window;
 import org.eclipse.koneki.ldt.ui.internal.Activator;
 import org.eclipse.koneki.ldt.ui.internal.ImageConstants;
 import org.eclipse.swt.graphics.Image;
+import org.eclipse.ui.IEditorPart;
+import org.eclipse.ui.part.IWorkbenchPartOrientation;
 
 /**
  * LuaDocumentor template completion processor
@@ -83,4 +91,22 @@ public class LuaDocumentorTemplateCompletionProcessor extends ScriptTemplateComp
 	protected Image getImage(Template template) {
 		return Activator.getDefault().getImageRegistry().get(ImageConstants.TEMPLATE_LUADOC);
 	}
+
+	/**
+	 * Copy of super method, but returning a custom TemplateInformationControlCreator
+	 */
+	@Override
+	protected IInformationControlCreator getInformationControlCreator() {
+		int orientation = Window.getDefaultOrientation();
+		IEditorPart editor = getContext().getEditor();
+		if (editor == null)
+			editor = DLTKUIPlugin.getActivePage().getActiveEditor();
+		if (editor instanceof IWorkbenchPartOrientation)
+			orientation = ((IWorkbenchPartOrientation) editor).getOrientation();
+		IDLTKLanguageToolkit toolkit = null;
+		toolkit = DLTKLanguageManager.getLanguageToolkit(getContext().getLanguageNatureID());
+		if ((toolkit == null) && (editor instanceof ScriptEditor))
+			toolkit = ((ScriptEditor) editor).getLanguageToolkit();
+		return new LuaTemplateInformationControlCreator(orientation, toolkit);
+	}
 }
diff --git a/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/editor/templates/LuaTemplateCompletionProcessor.java b/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/editor/templates/LuaTemplateCompletionProcessor.java
index 5b6cf47..5262f57 100644
--- a/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/editor/templates/LuaTemplateCompletionProcessor.java
+++ b/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/editor/templates/LuaTemplateCompletionProcessor.java
@@ -10,9 +10,17 @@
  *******************************************************************************/
 package org.eclipse.koneki.ldt.ui.internal.editor.templates;
 
+import org.eclipse.dltk.core.DLTKLanguageManager;
+import org.eclipse.dltk.core.IDLTKLanguageToolkit;
+import org.eclipse.dltk.internal.ui.editor.ScriptEditor;
+import org.eclipse.dltk.ui.DLTKUIPlugin;
 import org.eclipse.dltk.ui.templates.ScriptTemplateAccess;
 import org.eclipse.dltk.ui.templates.ScriptTemplateCompletionProcessor;
 import org.eclipse.dltk.ui.text.completion.ScriptContentAssistInvocationContext;
+import org.eclipse.jface.text.IInformationControlCreator;
+import org.eclipse.jface.window.Window;
+import org.eclipse.ui.IEditorPart;
+import org.eclipse.ui.part.IWorkbenchPartOrientation;
 
 /**
  * 
@@ -41,4 +49,22 @@ public class LuaTemplateCompletionProcessor extends ScriptTemplateCompletionProc
 		return LuaTemplateAccess.getInstance();
 	}
 
+	/**
+	 * Copy of super method, but returning a custom TemplateInformationControlCreator
+	 */
+	@Override
+	protected IInformationControlCreator getInformationControlCreator() {
+		int orientation = Window.getDefaultOrientation();
+		IEditorPart editor = getContext().getEditor();
+		if (editor == null)
+			editor = DLTKUIPlugin.getActivePage().getActiveEditor();
+		if (editor instanceof IWorkbenchPartOrientation)
+			orientation = ((IWorkbenchPartOrientation) editor).getOrientation();
+		IDLTKLanguageToolkit toolkit = null;
+		toolkit = DLTKLanguageManager.getLanguageToolkit(getContext().getLanguageNatureID());
+		if ((toolkit == null) && (editor instanceof ScriptEditor))
+			toolkit = ((ScriptEditor) editor).getLanguageToolkit();
+		return new LuaTemplateInformationControlCreator(orientation, toolkit);
+	}
+
 }
diff --git a/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/editor/templates/LuaTemplateInformationControlCreator.java b/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/editor/templates/LuaTemplateInformationControlCreator.java
new file mode 100644
index 0000000..12fc6a5
--- a/dev/null
+++ b/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/editor/templates/LuaTemplateInformationControlCreator.java
@@ -0,0 +1,83 @@
+/*******************************************************************************
+ * Copyright (c) 2012 Sierra Wireless 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
+ *
+ * Contributors:
+ *     Sierra Wireless - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.koneki.ldt.ui.internal.editor.templates;
+
+import org.eclipse.core.runtime.Assert;
+import org.eclipse.dltk.core.IDLTKLanguageToolkit;
+import org.eclipse.dltk.internal.ui.text.hover.SourceViewerInformationControl;
+import org.eclipse.jface.text.IInformationControl;
+import org.eclipse.jface.text.IInformationControlCreator;
+import org.eclipse.jface.text.IInformationControlCreatorExtension;
+import org.eclipse.koneki.ldt.ui.internal.LuaDocumentationHelper;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.DisposeEvent;
+import org.eclipse.swt.events.DisposeListener;
+import org.eclipse.swt.widgets.Shell;
+
+/**
+ * Copy of the final class TemplateInformationControlCreator to custom background color.
+ */
+@SuppressWarnings("restriction")
+public class LuaTemplateInformationControlCreator implements IInformationControlCreator, IInformationControlCreatorExtension {
+
+	private SourceViewerInformationControl fControl;
+
+	/**
+	 * The orientation to be used by this hover. Allowed values are: SWT#RIGHT_TO_LEFT or SWT#LEFT_TO_RIGHT
+	 * 
+	 * @since 3.2
+	 */
+	private int fOrientation;
+
+	private IDLTKLanguageToolkit fToolkit;
+
+	/**
+	 * @param orientation
+	 *            the orientation, allowed values are: SWT#RIGHT_TO_LEFT or SWT#LEFT_TO_RIGHT
+	 */
+	public LuaTemplateInformationControlCreator(int orientation, IDLTKLanguageToolkit toolkit) {
+		Assert.isLegal(orientation == SWT.RIGHT_TO_LEFT || orientation == SWT.LEFT_TO_RIGHT);
+		fOrientation = orientation;
+		fToolkit = toolkit;
+	}
+
+	/*
+	 * @see org.eclipse.jface.text.IInformationControlCreator#createInformationControl(org.eclipse.swt.widgets.Shell)
+	 */
+	public IInformationControl createInformationControl(Shell parent) {
+		fControl = new SourceViewerInformationControl(parent, SWT.TOOL | fOrientation, SWT.NONE, fToolkit);
+		fControl.addDisposeListener(new DisposeListener() {
+			public void widgetDisposed(DisposeEvent e) {
+				fControl = null;
+			}
+		});
+
+		// Set control color
+		fControl.setBackgroundColor(LuaDocumentationHelper.getBackgroundColor());
+		fControl.setForegroundColor(LuaDocumentationHelper.getForegroundColor());
+
+		return fControl;
+	}
+
+	/*
+	 * @see org.eclipse.jface.text.IInformationControlCreatorExtension#canReuse(org.eclipse.jface.text.IInformationControl)
+	 */
+	public boolean canReuse(IInformationControl control) {
+		return fControl == control && fControl != null;
+	}
+
+	/*
+	 * @see org.eclipse.jface.text.IInformationControlCreatorExtension#canReplace(org.eclipse.jface.text.IInformationControlCreator)
+	 */
+	public boolean canReplace(IInformationControlCreator creator) {
+		return (creator != null && getClass() == creator.getClass());
+	}
+}