Bug 393539 & Bug 393126, IDE documentation css and doc color preference

13 files changed, 419 insertions, 91 deletions

diff --git a/plugins/org.eclipse.koneki.ldt.remote.debug.ui/plugin.xml b/plugins/org.eclipse.koneki.ldt.remote.debug.ui/plugin.xml
index fb8d3a4..8f3fc60 100644
--- a/plugins/org.eclipse.koneki.ldt.remote.debug.ui/plugin.xml
+++ b/plugins/org.eclipse.koneki.ldt.remote.debug.ui/plugin.xml
@@ -28,19 +28,19 @@
    </extension>
  <extension point="org.eclipse.debug.ui.launchShortcuts">
   <shortcut
-    label="Lua Remote Application"
+    label="%launchshortcut.label"
     icon="icons/obj16/lua_remote.png"
     helpContextId="org.eclipse.jdt.debug.ui"
     modes="run, debug"
     class="org.eclipse.koneki.ldt.remote.debug.ui.internal.launch.LuaRemoteLaunchShortcut"
-    description="Launch a Lua application on remote host"
+    description="%launchshortcut.description"
     id="org.eclipse.koneki.ldt.debug.ui.localLuaShortcut">
     <description
-     description="Run a Lua application on a remote host"
+     description="%runasshortcut.description"
      mode="run">
     </description>
     <description
-     description="Debug a Lua application on a remote host"
+     description="%debugasshortcut.description"
      mode="debug">
     </description>
   <contextualLaunch>
diff --git a/plugins/org.eclipse.koneki.ldt.ui/OSGI-INF/l10n/bundle.properties b/plugins/org.eclipse.koneki.ldt.ui/OSGI-INF/l10n/bundle.properties
index 861ec26..951b8c9 100644
--- a/plugins/org.eclipse.koneki.ldt.ui/OSGI-INF/l10n/bundle.properties
+++ b/plugins/org.eclipse.koneki.ldt.ui/OSGI-INF/l10n/bundle.properties
@@ -31,4 +31,7 @@ context.description = Editing Lua Source Context
 context.name = Editing Lua Source
 proposals.luaDocumentor.name = LuaDocumentor Proposals
 proposals.luaDocumentor.category.name = LuaDocumentor Proposals
-wizard.file.new.name = Lua File
\ No newline at end of file
+wizard.file.new.name = Lua File
+theme.docforeground = Documentation Foreground
+theme.docbackground = Documentation Background
+theme.ldtcategoryname = Lua Development Tool
\ No newline at end of file
diff --git a/plugins/org.eclipse.koneki.ldt.ui/build.properties b/plugins/org.eclipse.koneki.ldt.ui/build.properties
index b93ca27..d42089d 100644
--- a/plugins/org.eclipse.koneki.ldt.ui/build.properties
+++ b/plugins/org.eclipse.koneki.ldt.ui/build.properties
@@ -19,7 +19,8 @@ bin.includes = META-INF/,\
                about.html,\
                build.properties,\
                sample/,\
-               templates/
+               templates/,\
+               resources/
 src.includes = icons/
 javacProjectSettings = true
 javacDefaultEncoding.. = UTF-8
diff --git a/plugins/org.eclipse.koneki.ldt.ui/plugin.xml b/plugins/org.eclipse.koneki.ldt.ui/plugin.xml
index 5c766ce..52414f9 100644
--- a/plugins/org.eclipse.koneki.ldt.ui/plugin.xml
+++ b/plugins/org.eclipse.koneki.ldt.ui/plugin.xml
@@ -435,4 +435,25 @@
     class="org.eclipse.koneki.ldt.ui.internal.editor.text.folding.LuaCodeFoldingBlockProvider">
   </blockProvider>
 </extension>
+<extension
+      point="org.eclipse.ui.themes">
+   <colorDefinition
+         categoryId="org.eclipse.koneki.ldt.ui.theme"
+         id="org.eclipse.koneki.ldt.ui.docforeground"
+         isEditable="true"
+         label="%theme.docforeground"
+         value="COLOR_INFO_FOREGROUND">
+   </colorDefinition>
+   <colorDefinition
+         categoryId="org.eclipse.koneki.ldt.ui.theme"
+         id="org.eclipse.koneki.ldt.ui.docbackground"
+         isEditable="true"
+         label="%theme.docbackground"
+         value="COLOR_INFO_BACKGROUND">
+   </colorDefinition>
+   <themeElementCategory
+         id="org.eclipse.koneki.ldt.ui.theme"
+         label="%theme.ldtcategoryname">
+   </themeElementCategory>
+</extension>
 </plugin>
diff --git a/plugins/org.eclipse.koneki.ldt.ui/resources/css/lua_documentation.css b/plugins/org.eclipse.koneki.ldt.ui/resources/css/lua_documentation.css
new file mode 100644
index 0000000..e567ffa
--- a/dev/null
+++ b/plugins/org.eclipse.koneki.ldt.ui/resources/css/lua_documentation.css
@@ -0,0 +1,34 @@
+/* Font definitions */
+html         { font-family: sans-serif; font-size: 10pt; font-style: normal; font-weight: normal; }
+body, h4, h5, h6, p, table, td, caption, th, ul, ol, dl, li, dd, dt { font-size: 1em; }
+pre          { font-family: monospace; }
+h1           { font-size: 1.8em; }	
+h2           { font-size: 1.2em; }
+h3           { font-size: 1.1em; }
+
+/* Margins */
+h1           { margin-top: 0.3em; margin-bottom: 0.04em }	
+h2           { margin-top: 2em; margin-bottom: 0.25em }
+h3           { margin-top: 1.7em; margin-bottom: 0.25em }
+h4           { margin-top: 2em; margin-bottom: 0.3em }
+h5           { margin-top: 0px; margin-bottom: 0px }
+p:first-child{ margin-top: 0px; }
+p			 {margin-bottom: 0px;}
+pre          { margin-left: 0.6em }
+ul	         { margin-top: 0px; margin-bottom: 1em; }
+li	         { margin-top: 0px; margin-bottom: 0px; }  
+ol	         { margin-top: 0px; margin-bottom: 1em; }
+dl	         { margin-top: 0px; margin-bottom: 1em; }
+dt	         { margin-top: 0px; margin-bottom: 0px; font-weight: bold; }
+dd	         { margin-top: 10px; margin-bottom: 0px; }
+td.summary p {margin-top: 0px;}
+
+/* Styles and colors */
+a:link	     { color: #0000FF; }
+a:hover	     { color: #000080; }
+a:visited    { text-decoration: underline; }
+h4           { font-style: italic; }
+strong	     { font-weight: bold; }
+em	         { font-style: italic; }
+var	         { font-style: italic; }
+th	         { font-weight: bold; }
diff --git a/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/LuaDocumentationHelper.java b/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/LuaDocumentationHelper.java
new file mode 100644
index 0000000..32048b7
--- a/dev/null
+++ b/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/LuaDocumentationHelper.java
@@ -0,0 +1,126 @@
+/*******************************************************************************
+ * 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;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.URL;
+import java.text.MessageFormat;
+
+import org.apache.commons.io.FileUtils;
+import org.eclipse.core.runtime.FileLocator;
+import org.eclipse.dltk.ui.PreferenceConstants;
+import org.eclipse.jface.resource.ColorRegistry;
+import org.eclipse.jface.resource.JFaceResources;
+import org.eclipse.swt.graphics.Color;
+import org.eclipse.swt.graphics.FontData;
+import org.eclipse.swt.graphics.RGB;
+import org.eclipse.ui.PlatformUI;
+import org.eclipse.ui.themes.ITheme;
+import org.eclipse.ui.themes.IThemeManager;
+import org.osgi.framework.Bundle;
+
+public final class LuaDocumentationHelper {
+
+	public static final String BACKGROUND_COLOR_ID = "org.eclipse.koneki.ldt.ui.docbackground"; //$NON-NLS-1$
+	public static final String FOREGROUND_COLOR_ID = "org.eclipse.koneki.ldt.ui.docforeground"; //$NON-NLS-1$
+
+	private static final String CSS_FILE_PATH = "/resources/css/lua_documentation.css"; //$NON-NLS-1$
+
+	private static String styleSheet;
+
+	private LuaDocumentationHelper() {
+	}
+
+	private static ColorRegistry getColorRegistry() {
+		IThemeManager themeManager = PlatformUI.getWorkbench().getThemeManager();
+		ITheme currentTheme = themeManager.getCurrentTheme();
+		return currentTheme.getColorRegistry();
+	}
+
+	public static Color getForegroundColor() {
+		return getColorRegistry().get(FOREGROUND_COLOR_ID);
+	}
+
+	public static Color getBackgroundColor() {
+		return getColorRegistry().get(BACKGROUND_COLOR_ID);
+	}
+
+	public static String getStyleSheet() {
+		if (styleSheet == null) {
+			styleSheet = initStyleSheet();
+		}
+
+		// Retrieve font from preference
+		FontData fontData = JFaceResources.getFontRegistry().getFontData(PreferenceConstants.APPEARANCE_DOCUMENTATION_FONT)[0];
+		String styleSheetWithPreference = org.eclipse.dltk.ui.text.completion.HTMLPrinter.convertTopLevelFont(styleSheet, fontData);
+
+		// Retrieve colors from theme:
+		RGB bgColor = getBackgroundColor().getRGB();
+		RGB fgColor = getForegroundColor().getRGB();
+
+		styleSheetWithPreference = "body {color:" + toHtmlColor(fgColor) + "; background-color:" + toHtmlColor(bgColor) + ";}" + styleSheet; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
+
+		return styleSheetWithPreference;
+	}
+
+	protected static String initStyleSheet() {
+		Bundle bundle = Activator.getDefault().getBundle();
+		URL styleSheetURL = bundle.getEntry(CSS_FILE_PATH);
+		if (styleSheetURL == null) {
+			String errorMessage = MessageFormat.format("No css found on the path: {1}", CSS_FILE_PATH); //$NON-NLS-1$
+			Activator.logError(errorMessage, new NullPointerException());
+		}
+		try {
+			styleSheetURL = FileLocator.toFileURL(styleSheetURL);
+			File cssFile = FileUtils.toFile(styleSheetURL);
+			return FileUtils.readFileToString(cssFile);
+
+		} catch (IOException ex) {
+			Activator.logError("Unable to open CSS file for luadoc view", ex); //$NON-NLS-1$
+		}
+		return null;
+	}
+
+	protected static String toHtmlColor(RGB color) {
+		StringBuffer buffer = new StringBuffer();
+
+		buffer.append('#');
+		appendHex(color.red, buffer);
+		appendHex(color.green, buffer);
+		appendHex(color.blue, buffer);
+
+		return buffer.toString();
+	}
+
+	protected static void appendHex(int color, StringBuffer buffer) {
+		String string = Integer.toHexString(color).toUpperCase();
+		if (string.length() == 1) {
+			buffer.append("0"); //$NON-NLS-1$
+		}
+		buffer.append(string);
+	}
+
+	public static String generatePage(String htmlContent) {
+		return generatePage(getStyleSheet(), htmlContent);
+	}
+
+	public static String generatePage(String cssStyle, String htmlContent) {
+		StringBuffer buffer = new StringBuffer();
+		buffer.append("<html><head><style CHARSET=\"ISO-8859-1\" TYPE=\"text/css\">"); //$NON-NLS-1$
+		buffer.append(cssStyle);
+		buffer.append("</style></head><body>"); //$NON-NLS-1$
+		buffer.append(htmlContent);
+		buffer.append("</body></html>"); //$NON-NLS-1$
+		return buffer.toString();
+	}
+
+}
diff --git a/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/editor/completion/DelegateLuaCompletionProposalMethods.java b/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/editor/completion/DelegateLuaCompletionProposalMethods.java
new file mode 100644
index 0000000..eb6a46a
--- a/dev/null
+++ b/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/editor/completion/DelegateLuaCompletionProposalMethods.java
@@ -0,0 +1,33 @@
+/*******************************************************************************
+ * 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.completion;
+
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.dltk.ui.text.completion.AbstractScriptCompletionProposal;
+import org.eclipse.koneki.ldt.ui.internal.LuaDocumentationHelper;
+
+public final class DelegateLuaCompletionProposalMethods {
+
+	private DelegateLuaCompletionProposalMethods() {
+	}
+
+	public static Object getAdditionalProposalInfo(AbstractScriptCompletionProposal proposal, IProgressMonitor monitor) {
+		if (proposal.getProposalInfo() != null) {
+			String info = proposal.getProposalInfo().getInfo(monitor);
+			if (info != null && info.length() > 0) {
+				info = LuaDocumentationHelper.generatePage(info);
+			}
+			return info;
+		}
+		return null;
+	}
+
+}
diff --git a/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/editor/completion/LuaCompletionProposal.java b/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/editor/completion/LuaCompletionProposal.java
index 341a16c..9880e2b 100644
--- a/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/editor/completion/LuaCompletionProposal.java
+++ b/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/editor/completion/LuaCompletionProposal.java
@@ -10,6 +10,7 @@
  *******************************************************************************/
 package org.eclipse.koneki.ldt.ui.internal.editor.completion;
 
+import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.dltk.ui.PreferenceConstants;
 import org.eclipse.dltk.ui.text.completion.ScriptCompletionProposal;
 import org.eclipse.jface.preference.IPreferenceStore;
@@ -34,4 +35,9 @@ public class LuaCompletionProposal extends ScriptCompletionProposal {
 		IPreferenceStore preference = Activator.getDefault().getPreferenceStore();
 		return preference.getBoolean(PreferenceConstants.CODEASSIST_INSERT_COMPLETION);
 	}
+
+	@Override
+	public Object getAdditionalProposalInfo(IProgressMonitor monitor) {
+		return DelegateLuaCompletionProposalMethods.getAdditionalProposalInfo(this, monitor);
+	}
 }
diff --git a/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/editor/completion/LuaCompletionProposalCollector.java b/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/editor/completion/LuaCompletionProposalCollector.java
index 61308b9..e44b594 100644
--- a/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/editor/completion/LuaCompletionProposalCollector.java
+++ b/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/editor/completion/LuaCompletionProposalCollector.java
@@ -10,11 +10,11 @@
  *******************************************************************************/
 package org.eclipse.koneki.ldt.ui.internal.editor.completion;
 
-import org.eclipse.dltk.core.IScriptProject;
+import org.eclipse.dltk.core.CompletionProposal;
 import org.eclipse.dltk.core.ISourceModule;
+import org.eclipse.dltk.ui.text.completion.IScriptCompletionProposal;
 import org.eclipse.dltk.ui.text.completion.ScriptCompletionProposal;
 import org.eclipse.dltk.ui.text.completion.ScriptCompletionProposalCollector;
-import org.eclipse.dltk.ui.text.completion.ScriptOverrideCompletionProposal;
 import org.eclipse.koneki.ldt.core.LuaNature;
 import org.eclipse.swt.graphics.Image;
 
@@ -27,12 +27,6 @@ public class LuaCompletionProposalCollector extends ScriptCompletionProposalColl
 	}
 
 	@Override
-	protected ScriptCompletionProposal createOverrideCompletionProposal(IScriptProject scriptProject, ISourceModule compilationUnit, String name,
-			String[] paramTypes, int start, int length, String displayName, String completionProposal) {
-		return new ScriptOverrideCompletionProposal(scriptProject, compilationUnit, name, paramTypes, start, length, displayName, completionProposal);
-	}
-
-	@Override
 	protected ScriptCompletionProposal createScriptCompletionProposal(String completion, int replaceStart, int length, Image image,
 			String displayString, int i) {
 		return new LuaCompletionProposal(completion, replaceStart, length, image, displayString, i);
@@ -45,6 +39,11 @@ public class LuaCompletionProposalCollector extends ScriptCompletionProposalColl
 	}
 
 	@Override
+	protected IScriptCompletionProposal createMethodReferenceProposal(CompletionProposal methodProposal) {
+		return new LuaScriptMethodCompletionProposal(methodProposal, getInvocationContext());
+	}
+
+	@Override
 	protected char[] getVarTrigger() {
 		return VAR_TRIGGER;
 	}
diff --git a/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/editor/completion/LuaScriptMethodCompletionProposal.java b/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/editor/completion/LuaScriptMethodCompletionProposal.java
new file mode 100644
index 0000000..0bfdbe8
--- a/dev/null
+++ b/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/editor/completion/LuaScriptMethodCompletionProposal.java
@@ -0,0 +1,28 @@
+/*******************************************************************************
+ * 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.completion;
+
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.dltk.core.CompletionProposal;
+import org.eclipse.dltk.ui.text.completion.ScriptContentAssistInvocationContext;
+import org.eclipse.dltk.ui.text.completion.ScriptMethodCompletionProposal;
+
+public class LuaScriptMethodCompletionProposal extends ScriptMethodCompletionProposal {
+
+	public LuaScriptMethodCompletionProposal(CompletionProposal proposal, ScriptContentAssistInvocationContext context) {
+		super(proposal, context);
+	}
+
+	@Override
+	public Object getAdditionalProposalInfo(IProgressMonitor monitor) {
+		return DelegateLuaCompletionProposalMethods.getAdditionalProposalInfo(this, monitor);
+	}
+}
diff --git a/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/editor/text/LuaDocumentationHover.java b/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/editor/text/LuaDocumentationHover.java
new file mode 100644
index 0000000..aded535
--- a/dev/null
+++ b/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/editor/text/LuaDocumentationHover.java
@@ -0,0 +1,109 @@
+/*******************************************************************************
+ * 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.text;
+
+import java.io.IOException;
+
+import org.eclipse.dltk.core.IModelElement;
+import org.eclipse.dltk.internal.ui.text.HTMLPrinter;
+import org.eclipse.dltk.internal.ui.text.hover.DocumentationHover;
+import org.eclipse.dltk.internal.ui.text.hover.ScriptHoverMessages;
+import org.eclipse.dltk.ui.ScriptElementImageProvider;
+import org.eclipse.dltk.ui.ScriptElementLabels;
+import org.eclipse.dltk.ui.documentation.IDocumentationResponse;
+import org.eclipse.dltk.ui.documentation.IScriptDocumentationTitleAdapter;
+import org.eclipse.dltk.ui.documentation.ScriptDocumentationAccess;
+import org.eclipse.dltk.ui.documentation.TextDocumentationResponse;
+import org.eclipse.jface.preference.IPreferenceStore;
+import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.koneki.ldt.ui.internal.LuaDocumentationHelper;
+import org.eclipse.ui.IEditorPart;
+
+@SuppressWarnings("restriction")
+public class LuaDocumentationHover extends DocumentationHover {
+
+	private static final long LABEL_FLAGS = ScriptElementLabels.ALL_FULLY_QUALIFIED | ScriptElementLabels.M_APP_RETURNTYPE
+			| ScriptElementLabels.F_APP_TYPE_SIGNATURE | ScriptElementLabels.M_PARAMETER_TYPES | ScriptElementLabels.M_PARAMETER_NAMES
+			| ScriptElementLabels.M_EXCEPTIONS | ScriptElementLabels.F_PRE_TYPE_SIGNATURE | ScriptElementLabels.M_PRE_TYPE_PARAMETERS
+			| ScriptElementLabels.T_TYPE_PARAMETERS | ScriptElementLabels.USE_RESOLVED;
+	private static final long LOCAL_VARIABLE_FLAGS = LABEL_FLAGS & ~ScriptElementLabels.F_FULLY_QUALIFIED | ScriptElementLabels.F_POST_QUALIFIED;
+
+	private static final IScriptDocumentationTitleAdapter TITLE_ADAPTER = new IScriptDocumentationTitleAdapter() {
+
+		private ScriptElementImageProvider fImageProvider = new ScriptElementImageProvider();
+
+		public String getTitle(Object element) {
+			if (element instanceof IModelElement) {
+				IModelElement member = (IModelElement) element;
+				long flags = member.getElementType() == IModelElement.LOCAL_VARIABLE ? LOCAL_VARIABLE_FLAGS : LABEL_FLAGS;
+				String label = ScriptElementLabels.getDefault().getElementLabel(member, flags);
+				return label;
+			} else {
+				return null;
+			}
+		}
+
+		public ImageDescriptor getImage(Object element) {
+			if (element instanceof IModelElement) {
+				final IModelElement modelElement = (IModelElement) element;
+				if (fImageProvider == null) {
+					fImageProvider = new ScriptElementImageProvider();
+				}
+				return fImageProvider.getScriptImageDescriptor(modelElement, ScriptElementImageProvider.OVERLAY_ICONS
+						| ScriptElementImageProvider.SMALL_ICONS);
+			}
+			return null;
+		}
+	};
+
+	public LuaDocumentationHover(IEditorPart editor, IPreferenceStore store) {
+		super();
+		setEditor(editor);
+		setPreferenceStore(store);
+	}
+
+	@Override
+	protected String getHoverInfo(String nature, Object[] result) {
+		String htmlContent = null;
+
+		int nResults = result.length;
+		if (nResults == 0)
+			return null;
+
+		boolean hasContents = false;
+		if (nResults > 0) {
+
+			Object element = result[0];
+			IDocumentationResponse response = ScriptDocumentationAccess.getDocumentation(nature, element, TITLE_ADAPTER);
+			// Provide hint why there's no doc
+			if (response == null) {
+				response = new TextDocumentationResponse(element, TITLE_ADAPTER.getTitle(element), TITLE_ADAPTER.getImage(element),
+						ScriptHoverMessages.ScriptdocHover_noAttachedInformation);
+			}
+			try {
+
+				htmlContent = HTMLPrinter.read(response.getReader());
+				hasContents = true;
+			} catch (IOException e) {
+				return null;
+			}
+
+		}
+		if (!hasContents)
+			return null;
+
+		if (!htmlContent.isEmpty()) {
+			return LuaDocumentationHelper.generatePage(htmlContent);
+		}
+		return null;
+	}
+
+}
\ No newline at end of file
diff --git a/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/editor/text/LuaSourceViewerConfiguration.java b/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/editor/text/LuaSourceViewerConfiguration.java
index d0eb2e2..34c46f6 100644
--- a/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/editor/text/LuaSourceViewerConfiguration.java
+++ b/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/editor/text/LuaSourceViewerConfiguration.java
@@ -12,6 +12,9 @@
 package org.eclipse.koneki.ldt.ui.internal.editor.text;
 
 import org.eclipse.dltk.compiler.task.ITodoTaskPreferences;
+import org.eclipse.dltk.internal.ui.editor.ScriptEditor;
+import org.eclipse.dltk.internal.ui.text.hover.EditorTextHoverDescriptor;
+import org.eclipse.dltk.ui.DLTKUIPlugin;
 import org.eclipse.dltk.ui.text.AbstractScriptScanner;
 import org.eclipse.dltk.ui.text.IColorManager;
 import org.eclipse.dltk.ui.text.ScriptCommentScanner;
@@ -25,6 +28,7 @@ import org.eclipse.jface.text.DefaultIndentLineAutoEditStrategy;
 import org.eclipse.jface.text.IAutoEditStrategy;
 import org.eclipse.jface.text.IDocument;
 import org.eclipse.jface.text.ITextDoubleClickStrategy;
+import org.eclipse.jface.text.ITextHover;
 import org.eclipse.jface.text.contentassist.ContentAssistant;
 import org.eclipse.jface.text.contentassist.IContentAssistProcessor;
 import org.eclipse.jface.text.presentation.IPresentationReconciler;
@@ -37,6 +41,7 @@ import org.eclipse.koneki.ldt.ui.internal.editor.completion.LuaCompletionProcess
 import org.eclipse.koneki.ldt.ui.internal.editor.completion.LuaContentAssistPreference;
 import org.eclipse.ui.texteditor.ITextEditor;
 
+@SuppressWarnings("restriction")
 public class LuaSourceViewerConfiguration extends ScriptSourceViewerConfiguration {
 
 	// CHECKSTYLE:OFF
@@ -224,4 +229,26 @@ public class LuaSourceViewerConfiguration extends ScriptSourceViewerConfiguratio
 			}
 		};
 	}
+
+	@Override
+	public ITextHover getTextHover(ISourceViewer sourceViewer, String contentType, int stateMask) {
+		final String natureId = getNatureId();
+		if (natureId == null) {
+			return null;
+		}
+		EditorTextHoverDescriptor[] hoverDescs = DLTKUIPlugin.getDefault().getEditorTextHoverDescriptors(fPreferenceStore, natureId);
+		for (EditorTextHoverDescriptor hoverDesc : hoverDescs) {
+			if (hoverDesc.isEnabled() && hoverDesc.getStateMask() == stateMask)
+				return new LuaDocumentationHover(getEditor(), fPreferenceStore);
+		}
+		return null;
+	}
+
+	private String getNatureId() {
+		final ITextEditor editor = getEditor();
+		if (editor == null || !(editor instanceof ScriptEditor)) {
+			return null;
+		}
+		return ((ScriptEditor) editor).getLanguageToolkit().getNatureId();
+	}
 }
diff --git a/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/views/LuaDocView.java b/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/views/LuaDocView.java
index a5b1663..7bc3436 100644
--- a/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/views/LuaDocView.java
+++ b/plugins/org.eclipse.koneki.ldt.ui/src/org/eclipse/koneki/ldt/ui/internal/views/LuaDocView.java
@@ -10,34 +10,21 @@
  *******************************************************************************/
 package org.eclipse.koneki.ldt.ui.internal.views;
 
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
 import java.io.Reader;
-import java.net.URL;
 
-import org.eclipse.core.runtime.FileLocator;
-import org.eclipse.core.runtime.Platform;
 import org.eclipse.dltk.core.IMember;
 import org.eclipse.dltk.core.IModelElement;
 import org.eclipse.dltk.core.ISourceModule;
 import org.eclipse.dltk.core.ModelException;
 import org.eclipse.dltk.internal.ui.text.HTMLPrinter;
-import org.eclipse.dltk.ui.DLTKUIPlugin;
-import org.eclipse.dltk.ui.PreferenceConstants;
 import org.eclipse.dltk.ui.ScriptElementLabels;
 import org.eclipse.dltk.ui.documentation.ScriptDocumentationAccess;
 import org.eclipse.dltk.ui.infoviews.AbstractDocumentationView;
 import org.eclipse.jface.preference.IPreferenceStore;
-import org.eclipse.jface.resource.JFaceResources;
 import org.eclipse.koneki.ldt.core.internal.LuaLanguageToolkit;
 import org.eclipse.koneki.ldt.ui.internal.Activator;
+import org.eclipse.koneki.ldt.ui.internal.LuaDocumentationHelper;
 import org.eclipse.swt.graphics.Color;
-import org.eclipse.swt.graphics.FontData;
-import org.eclipse.swt.graphics.RGB;
-import org.eclipse.swt.widgets.Composite;
-import org.osgi.framework.Bundle;
 
 /**
  * The view which show the documentation of a selected ModelElement
@@ -50,62 +37,30 @@ public class LuaDocView extends AbstractDocumentationView {
 	private static final long LABEL_FLAGS = ScriptElementLabels.ALL_FULLY_QUALIFIED | ScriptElementLabels.M_APP_RETURNTYPE
 			| ScriptElementLabels.F_APP_TYPE_SIGNATURE | ScriptElementLabels.M_PARAMETER_TYPES | ScriptElementLabels.M_PARAMETER_NAMES
 			| ScriptElementLabels.M_EXCEPTIONS | ScriptElementLabels.T_TYPE_PARAMETERS; // FIXME DUPLICATE CODE from parent class due to private
-																						// method declaration ...
-
-	private static String fgStyleSheet; // FIXME DUPLICATE CODE from parent class due to private method declaration ...
-
-	private RGB fBackgroundColorRGB; // FIXME DUPLICATE CODE from parent class due to private method declaration ...
 
 	public LuaDocView() {
 	}
 
-	// FIXME DUPLICATE CODE from parent class due to private method declaration ...
-	private static void initStyleSheet() {
-		Bundle bundle = Platform.getBundle(DLTKUIPlugin.getPluginId());
-		URL styleSheetURL = bundle.getEntry("/DocumentationViewStyleSheet.css"); //$NON-NLS-1$
-		if (styleSheetURL == null)
-			return;
-		try {
-			styleSheetURL = FileLocator.toFileURL(styleSheetURL);
-			InputStream openStream = styleSheetURL.openStream();
-			InputStreamReader inputStreamReader = new InputStreamReader(openStream);
-			BufferedReader reader = new BufferedReader(inputStreamReader);
-			StringBuffer buffer = new StringBuffer(200);
-			String line = reader.readLine();
-			while (line != null) {
-				buffer.append(line);
-				buffer.append('\n');
-				line = reader.readLine();
-			}
-			reader.close();
-			FontData fontData = JFaceResources.getFontRegistry().getFontData(PreferenceConstants.APPEARANCE_DOCUMENTATION_FONT)[0];
-			fgStyleSheet = org.eclipse.dltk.ui.text.completion.HTMLPrinter.convertTopLevelFont(buffer.toString(), fontData);
-		} catch (IOException ex) {
-			DLTKUIPlugin.log(ex);
-		}
-	}
-
-	// //FIXME workarround due to private method declaration ...
 	@Override
-	protected void internalCreatePartControl(Composite parent) {
-		super.internalCreatePartControl(parent);
-		initStyleSheet();
+	protected IPreferenceStore getPreferenceStore() {
+		return Activator.getDefault().getPreferenceStore();
 	}
 
 	@Override
-	protected void setBackground(Color color) {
-		fBackgroundColorRGB = color.getRGB();
-		super.setBackground(color);
+	protected String getNature() {
+		return LuaLanguageToolkit.getDefault().getNatureId();
 	}
 
 	@Override
-	protected IPreferenceStore getPreferenceStore() {
-		return Activator.getDefault().getPreferenceStore();
+	protected void setBackground(Color color) {
+		// Hack to change control color (because we can not override inititalizeColors()
+		super.setBackground(LuaDocumentationHelper.getBackgroundColor());
 	}
 
 	@Override
-	protected String getNature() {
-		return LuaLanguageToolkit.getDefault().getNatureId();
+	protected void setForeground(Color color) {
+		// Hack to change control color (because we can not override inititalizeColors()
+		super.setForeground(LuaDocumentationHelper.getForegroundColor());
 	}
 
 	/**
@@ -133,13 +88,12 @@ public class LuaDocView extends AbstractDocumentationView {
 	 * @return the lua doc in HTML format for a given model Element or null if no documentation is attached
 	 */
 	private String getScriptdocHtml(IModelElement modelelement) {
-		StringBuffer buffer = new StringBuffer();
-		// HTMLPrinter.addSmallHeader(buffer, getInfoText(member));
+
 		Reader reader = ScriptDocumentationAccess.getHTMLContentReader(getNature(), modelelement, true, true);
 		if (reader != null) {
-			HTMLPrinter.addParagraph(buffer, reader);
+			return LuaDocumentationHelper.generatePage(HTMLPrinter.read(reader));
 		}
-		return addPrologeEpilog(buffer);
+		return null;
 	}
 
 	/**
@@ -149,10 +103,7 @@ public class LuaDocView extends AbstractDocumentationView {
 		if (modelElement instanceof ISourceModule) {
 			return getDefaultDocumentation((ISourceModule) modelElement);
 		} else if (modelElement instanceof IMember) {
-			final StringBuffer buffer = new StringBuffer();
-			HTMLPrinter.addParagraph(buffer, getInfoText(modelElement));
-			HTMLPrinter.addParagraph(buffer, "<br><em>Note: This element has no attached documentation.</em>"); //$NON-NLS-1$
-			return addPrologeEpilog(buffer);
+			return LuaDocumentationHelper.generatePage("<br><em>Note: This element has no attached documentation.</em>"); //$NON-NLS-1$
 		} else {
 			return null;
 		}
@@ -164,6 +115,8 @@ public class LuaDocView extends AbstractDocumentationView {
 	private String getDefaultDocumentation(ISourceModule sourcemodule) {
 		final StringBuffer buffer = new StringBuffer();
 		try {
+			String styleSheet = LuaDocumentationHelper.getStyleSheet();
+
 			IModelElement[] children = sourcemodule.getChildren();
 			HTMLPrinter.startBulletList(buffer);
 			for (int i = 0; i < children.length; i++) {
@@ -175,10 +128,10 @@ public class LuaDocView extends AbstractDocumentationView {
 			}
 			HTMLPrinter.endBulletList(buffer);
 			HTMLPrinter.addParagraph(buffer, "<em>Note: This element has no attached documentation.</em>"); //$NON-NLS-1$
+			return LuaDocumentationHelper.generatePage(styleSheet, buffer.toString());
 		} catch (ModelException ex) {
 			return null;
 		}
-		return addPrologeEpilog(buffer);
 	}
 
 	/**
@@ -192,16 +145,4 @@ public class LuaDocView extends AbstractDocumentationView {
 		}
 	}
 
-	/**
-	 * add header and footer to the html page
-	 */
-	private String addPrologeEpilog(StringBuffer buffer) {
-		if (buffer.length() > 0) {
-			HTMLPrinter.insertPageProlog(buffer, 0, fBackgroundColorRGB, fgStyleSheet);
-			// HTMLPrinter.insertPageProlog(buffer, 0);
-			HTMLPrinter.addPageEpilog(buffer);
-			return buffer.toString();
-		}
-		return null;
-	}
 }