diff options
Diffstat (limited to 'bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/contentassist/ContentAssistUtils.java')
-rw-r--r-- | bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/contentassist/ContentAssistUtils.java | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/contentassist/ContentAssistUtils.java b/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/contentassist/ContentAssistUtils.java deleted file mode 100644 index 9b1fa9299e..0000000000 --- a/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/contentassist/ContentAssistUtils.java +++ /dev/null @@ -1,146 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2001, 2010 IBM Corporation 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: - * IBM Corporation - initial API and implementation - * Jens Lukowski/Innoopract - initial renaming/restructuring - * - *******************************************************************************/ -package org.eclipse.wst.sse.ui.internal.contentassist; - -import org.eclipse.core.runtime.CoreException; -import org.eclipse.core.runtime.IConfigurationElement; -import org.eclipse.core.runtime.IStatus; -import org.eclipse.core.runtime.InvalidRegistryObjectException; -import org.eclipse.core.runtime.Platform; -import org.eclipse.core.runtime.Status; -import org.eclipse.jface.text.ITextViewer; -import org.eclipse.wst.sse.core.StructuredModelManager; -import org.eclipse.wst.sse.core.internal.provisional.IModelManager; -import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel; -import org.eclipse.wst.sse.core.internal.provisional.IndexedRegion; -import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument; -import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion; -import org.eclipse.wst.sse.ui.internal.SSEUIPlugin; -import org.osgi.framework.Bundle; - - -/** - * @author pavery - * - */ -public class ContentAssistUtils { - - /** - * Returns the closest IndexedRegion for the offset and viewer allowing - * for differences between viewer offsets and model positions. note: this - * method returns an IndexedRegion for read only - * - * @param viewer - * the viewer whose document is used to compute the proposals - * @param documentOffset - * an offset within the document for which completions should - * be computed - * @return an IndexedRegion - */ - public static IndexedRegion getNodeAt(ITextViewer viewer, int documentOffset) { - - if (viewer == null) - return null; - - IndexedRegion node = null; - IModelManager mm = StructuredModelManager.getModelManager(); - IStructuredModel model = null; - if (mm != null) - model = mm.getExistingModelForRead(viewer.getDocument()); - try { - if (model != null) { - int lastOffset = documentOffset; - node = model.getIndexedRegion(documentOffset); - while (node == null && lastOffset >= 0) { - lastOffset--; - node = model.getIndexedRegion(lastOffset); - } - } - } finally { - if (model != null) - model.releaseFromRead(); - } - return node; - } - - /** - * Returns the closest IStructuredDocumentRegion for the offest and - * viewer. - * - * @param viewer - * @param documentOffset - * @return the closest IStructuredDocumentRegion for the offest and - * viewer. - */ - public static IStructuredDocumentRegion getStructuredDocumentRegion(ITextViewer viewer, int documentOffset) { - IStructuredDocumentRegion sdRegion = null; - if (viewer == null || viewer.getDocument() == null) - return null; - - int lastOffset = documentOffset; - IStructuredDocument doc = (IStructuredDocument) viewer.getDocument(); - sdRegion = doc.getRegionAtCharacterOffset(documentOffset); - while (sdRegion == null && lastOffset >= 0) { - lastOffset--; - sdRegion = doc.getRegionAtCharacterOffset(lastOffset); - } - return sdRegion; - } - - /** - * @return the bundle that defined the {@link IConfigurationElement} that defines - * this category. - */ - public static Bundle getBundle(IConfigurationElement element) { - String namespace= element.getDeclaringExtension().getContributor().getName(); - Bundle bundle= Platform.getBundle(namespace); - return bundle; - } - - /** - * <p>Checks that the given attribute value is not <code>null</code>.</p> - * - * @param value the object to check if not null - * @param attribute the attribute - * - * @throws InvalidRegistryObjectException if the registry element is no longer valid - * @throws CoreException if <code>value</code> is <code>null</code> - */ - public static void checkExtensionAttributeNotNull(Object value, String attribute, - IConfigurationElement element) throws InvalidRegistryObjectException, CoreException { - - if (value == null) { - String message = "The extension \"" + element.getDeclaringExtension().getUniqueIdentifier() + //$NON-NLS-1$ - "\" from plug-in \"" + element.getContributor().getName() + //$NON-NLS-1$ - "\" did not specify a value for the required \"" + attribute + //$NON-NLS-1$ - "\" attribute for the element \"" + element.getName() + "\". Disabling the extension."; //$NON-NLS-1$ //$NON-NLS-2$ - IStatus status= new Status(IStatus.WARNING, SSEUIPlugin.ID, IStatus.OK, message, null); - throw new CoreException(status); - } - } - - /** - * @param textViewer check to see if this viewer is empty - * @return <code>true</code> if there is no text or it's all white space, - * <code>false</code> otherwise - */ - public static boolean isViewerEmpty(ITextViewer textViewer) { - boolean isEmpty = false; - String text = textViewer.getTextWidget().getText(); - if ((text == null) || ((text != null) && text.trim().equals(""))) { //$NON-NLS-1$ - isEmpty = true; - } - return isEmpty; - } - -} |