diff options
Diffstat (limited to 'bundles/org.eclipse.wst.css.ui/src/org/eclipse/wst/css/ui/internal/projection/StructuredTextFoldingProviderCSS.java')
| -rw-r--r-- | bundles/org.eclipse.wst.css.ui/src/org/eclipse/wst/css/ui/internal/projection/StructuredTextFoldingProviderCSS.java | 260 |
1 files changed, 0 insertions, 260 deletions
diff --git a/bundles/org.eclipse.wst.css.ui/src/org/eclipse/wst/css/ui/internal/projection/StructuredTextFoldingProviderCSS.java b/bundles/org.eclipse.wst.css.ui/src/org/eclipse/wst/css/ui/internal/projection/StructuredTextFoldingProviderCSS.java deleted file mode 100644 index 1d06224aea..0000000000 --- a/bundles/org.eclipse.wst.css.ui/src/org/eclipse/wst/css/ui/internal/projection/StructuredTextFoldingProviderCSS.java +++ /dev/null @@ -1,260 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2005, 2007 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 - *******************************************************************************/ -package org.eclipse.wst.css.ui.internal.projection; - -import org.eclipse.core.runtime.Platform; -import org.eclipse.jface.text.IDocument; -import org.eclipse.jface.text.ITextInputListener; -import org.eclipse.jface.text.source.projection.IProjectionListener; -import org.eclipse.jface.text.source.projection.ProjectionViewer; -import org.eclipse.wst.css.core.internal.provisional.document.ICSSDocument; -import org.eclipse.wst.css.core.internal.provisional.document.ICSSModel; -import org.eclipse.wst.sse.core.StructuredModelManager; -import org.eclipse.wst.sse.core.internal.model.FactoryRegistry; -import org.eclipse.wst.sse.core.internal.provisional.INodeAdapter; -import org.eclipse.wst.sse.core.internal.provisional.INodeNotifier; -import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel; -import org.eclipse.wst.sse.ui.internal.projection.IStructuredTextFoldingProvider; - -/** - * Updates the projection model of a structured model for CSS. - */ -public class StructuredTextFoldingProviderCSS implements IStructuredTextFoldingProvider, IProjectionListener, ITextInputListener { - private final static boolean debugProjectionPerf = "true".equalsIgnoreCase(Platform.getDebugOption("org.eclipse.wst.css.ui/projectionperf")); //$NON-NLS-1$ //$NON-NLS-2$\ - - private IDocument fDocument; - private ProjectionViewer fViewer; - private boolean fProjectionNeedsToBeEnabled = false; - - /** - * Just add adapter to top stylesheet node. This adapter will track - * children addition/deletion. - */ - private void addAllAdapters() { - long start = System.currentTimeMillis(); - - if (fDocument != null) { - IStructuredModel sModel = null; - try { - sModel = StructuredModelManager.getModelManager().getExistingModelForRead(fDocument); - if (sModel instanceof ICSSModel) { - ICSSModel cssModel = (ICSSModel) sModel; - ICSSDocument cssDoc = cssModel.getDocument(); - if (cssDoc instanceof INodeNotifier) { - INodeNotifier notifier = (INodeNotifier) cssDoc; - ProjectionModelNodeAdapterCSS adapter = (ProjectionModelNodeAdapterCSS) notifier.getExistingAdapter(ProjectionModelNodeAdapterCSS.class); - if (adapter != null) { - adapter.updateAdapter(cssDoc, fViewer); - } - else { - // just call getadapter so the adapter is created - // and - // automatically initialized - notifier.getAdapterFor(ProjectionModelNodeAdapterCSS.class); - } - } - } - } - finally { - if (sModel != null) { - sModel.releaseFromRead(); - } - } - } - - if (debugProjectionPerf) { - long end = System.currentTimeMillis(); - System.out.println("StructuredTextFoldingProviderCSS.addAllAdapters: " + (end - start)); //$NON-NLS-1$ - } - } - - /** - * Get the ProjectionModelNodeAdapterFactoryCSS to use with this provider. - * - * @return ProjectionModelNodeAdapterFactoryCSS - */ - private ProjectionModelNodeAdapterFactoryCSS getAdapterFactory(boolean createIfNeeded) { - ProjectionModelNodeAdapterFactoryCSS factory = null; - if (fDocument != null) { - IStructuredModel sModel = null; - try { - sModel = StructuredModelManager.getModelManager().getExistingModelForRead(fDocument); - if (sModel != null) { - FactoryRegistry factoryRegistry = sModel.getFactoryRegistry(); - - // getting the projectionmodelnodeadapter for the first - // time - // so do some initializing - if (!factoryRegistry.contains(ProjectionModelNodeAdapterCSS.class) && createIfNeeded) { - ProjectionModelNodeAdapterFactoryCSS newFactory = new ProjectionModelNodeAdapterFactoryCSS(); - - // add factory to factory registry - factoryRegistry.addFactory(newFactory); - } - - // try and get the factory - factory = (ProjectionModelNodeAdapterFactoryCSS) factoryRegistry.getFactoryFor(ProjectionModelNodeAdapterCSS.class); - } - } - finally { - if (sModel != null) - sModel.releaseFromRead(); - } - } - return factory; - } - - /** - * Initialize this provider with the correct document. Assumes projection - * is enabled. (otherwise, only install would have been called) - */ - public void initialize() { - if (!isInstalled()) - return; - - long start = System.currentTimeMillis(); - // clear out old info - projectionDisabled(); - - fDocument = fViewer.getDocument(); - - // set projection viewer on new document's adapter factory - if (fViewer.getProjectionAnnotationModel() != null) { - ProjectionModelNodeAdapterFactoryCSS factory = getAdapterFactory(true); - if (factory != null) { - factory.addProjectionViewer(fViewer); - } - - try { - // https://bugs.eclipse.org/bugs/show_bug.cgi?id=198304 - // disable redraw while adding all adapters - fViewer.setRedraw(false); - addAllAdapters(); - } - finally { - fViewer.setRedraw(true); - } - } - fProjectionNeedsToBeEnabled = false; - - if (debugProjectionPerf) { - long end = System.currentTimeMillis(); - System.out.println("StructuredTextFoldingProviderCSS.initialize: " + (end - start)); //$NON-NLS-1$ - } - } - - /** - * Associate a ProjectionViewer with this IStructuredTextFoldingProvider - * - * @param viewer - - * assumes not null - */ - public void install(ProjectionViewer viewer) { - // uninstall before trying to install new viewer - if (isInstalled()) { - uninstall(); - } - fViewer = viewer; - fViewer.addProjectionListener(this); - fViewer.addTextInputListener(this); - } - - private boolean isInstalled() { - return fViewer != null; - } - - public void projectionDisabled() { - ProjectionModelNodeAdapterFactoryCSS factory = getAdapterFactory(false); - if (factory != null) { - factory.removeProjectionViewer(fViewer); - } - - // clear out all annotations - if (fViewer.getProjectionAnnotationModel() != null) - fViewer.getProjectionAnnotationModel().removeAllAnnotations(); - - removeAllAdapters(); - - fDocument = null; - fProjectionNeedsToBeEnabled = false; - } - - public void projectionEnabled() { - initialize(); - } - - /** - * Removes adapter from top stylesheet node - */ - private void removeAllAdapters() { - long start = System.currentTimeMillis(); - - if (fDocument != null) { - IStructuredModel sModel = null; - try { - sModel = StructuredModelManager.getModelManager().getExistingModelForRead(fDocument); - if (sModel instanceof ICSSModel) { - ICSSModel cssModel = (ICSSModel) sModel; - ICSSDocument cssDoc = cssModel.getDocument(); - if (cssDoc instanceof INodeNotifier) { - INodeNotifier notifier = (INodeNotifier) cssDoc; - INodeAdapter adapter = notifier.getExistingAdapter(ProjectionModelNodeAdapterCSS.class); - if (adapter != null) { - notifier.removeAdapter(adapter); - } - } - } - } - finally { - if (sModel != null) { - sModel.releaseFromRead(); - } - } - } - - if (debugProjectionPerf) { - long end = System.currentTimeMillis(); - System.out.println("StructuredTextFoldingProviderCSS.addAllAdapters: " + (end - start)); //$NON-NLS-1$ - } - } - - public void inputDocumentAboutToBeChanged(IDocument oldInput, IDocument newInput) { - // if folding is enabled and new document is going to be a totally - // different document, disable projection - if (fDocument != null && fDocument != newInput) { - // disable projection and disconnect everything - projectionDisabled(); - fProjectionNeedsToBeEnabled = true; - } - } - - public void inputDocumentChanged(IDocument oldInput, IDocument newInput) { - // if projection was previously enabled before input document changed - // and new document is different than old document - if (fProjectionNeedsToBeEnabled && fDocument == null && newInput != null) { - projectionEnabled(); - fProjectionNeedsToBeEnabled = false; - } - } - - /** - * Disconnect this IStructuredTextFoldingProvider from projection viewer - */ - public void uninstall() { - if (isInstalled()) { - projectionDisabled(); - - fViewer.removeProjectionListener(this); - fViewer.removeTextInputListener(this); - fViewer = null; - } - } -} |