--- /dev/null
+/*******************************************************************************
+ * Copyright (c) 2000, 2003 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ *
+ * Contributors:
+ * IBM Corporation - initial API and implementation
+ *******************************************************************************/
+
+package net.sourceforge.phpdt.internal.ui.text;
+
+import net.sourceforge.phpdt.core.ElementChangedEvent;
+import net.sourceforge.phpdt.core.IElementChangedListener;
+import net.sourceforge.phpdt.core.JavaCore;
+import net.sourceforge.phpeclipse.PHPeclipsePlugin;
+import net.sourceforge.phpeclipse.phpeditor.PHPUnitEditor;
+
+import org.eclipse.core.resources.IMarkerDelta;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.resources.IResourceChangeEvent;
+import org.eclipse.core.resources.IResourceChangeListener;
+import org.eclipse.core.resources.IResourceDelta;
+import org.eclipse.core.resources.IWorkspace;
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.ITextViewer;
+import org.eclipse.jface.text.reconciler.DirtyRegion;
+import org.eclipse.jface.text.reconciler.MonoReconciler;
+import org.eclipse.swt.events.ShellAdapter;
+import org.eclipse.swt.events.ShellEvent;
+import org.eclipse.swt.events.ShellListener;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.ui.IEditorInput;
+import org.eclipse.ui.IFileEditorInput;
+import org.eclipse.ui.IPartListener;
+import org.eclipse.ui.IWorkbenchPart;
+import org.eclipse.ui.IWorkbenchPartSite;
+import org.eclipse.ui.IWorkbenchWindow;
+import org.eclipse.ui.texteditor.ITextEditor;
+
+/**
+ * A reconciler that is also activated on editor activation.
+ */
+public class JavaReconciler extends MonoReconciler {
+
+ /**
+ * Internal part listener for activating the reconciler.
+ */
+ private class PartListener implements IPartListener {
+
+ /*
+ * @see org.eclipse.ui.IPartListener#partActivated(org.eclipse.ui.IWorkbenchPart)
+ */
+ public void partActivated(IWorkbenchPart part) {
+ if (part == fTextEditor && hasJavaModelChanged())
+ JavaReconciler.this.forceReconciling();
+ }
+
+ /*
+ * @see org.eclipse.ui.IPartListener#partBroughtToTop(org.eclipse.ui.IWorkbenchPart)
+ */
+ public void partBroughtToTop(IWorkbenchPart part) {
+ }
+
+ /*
+ * @see org.eclipse.ui.IPartListener#partClosed(org.eclipse.ui.IWorkbenchPart)
+ */
+ public void partClosed(IWorkbenchPart part) {
+ }
+
+ /*
+ * @see org.eclipse.ui.IPartListener#partDeactivated(org.eclipse.ui.IWorkbenchPart)
+ */
+ public void partDeactivated(IWorkbenchPart part) {
+ if (part == fTextEditor)
+ setJavaModelChanged(false);
+ }
+
+ /*
+ * @see org.eclipse.ui.IPartListener#partOpened(org.eclipse.ui.IWorkbenchPart)
+ */
+ public void partOpened(IWorkbenchPart part) {
+ }
+ }
+
+ /**
+ * Internal Shell activation listener for activating the reconciler.
+ */
+ private class ActivationListener extends ShellAdapter {
+
+ private Control fControl;
+
+ public ActivationListener(Control control) {
+ fControl = control;
+ }
+
+ /*
+ * @see org.eclipse.swt.events.ShellListener#shellActivated(org.eclipse.swt.events.ShellEvent)
+ */
+ public void shellActivated(ShellEvent e) {
+ if (!fControl.isDisposed() && fControl.isVisible()
+ && hasJavaModelChanged())
+ JavaReconciler.this.forceReconciling();
+ }
+
+ /*
+ * @see org.eclipse.swt.events.ShellListener#shellDeactivated(org.eclipse.swt.events.ShellEvent)
+ */
+ public void shellDeactivated(ShellEvent e) {
+ setJavaModelChanged(false);
+ }
+ }
+
+ /**
+ * Internal Java element changed listener
+ *
+ * @since 3.0
+ */
+ private class ElementChangedListener implements IElementChangedListener {
+ /*
+ * @see net.sourceforge.phpdt.core.IElementChangedListener#elementChanged(net.sourceforge.phpdt.core.ElementChangedEvent)
+ */
+ public void elementChanged(ElementChangedEvent event) {
+ setJavaModelChanged(true);
+ }
+ }
+
+ /**
+ * Internal resource change listener.
+ *
+ * @since 3.0
+ */
+ class ResourceChangeListener implements IResourceChangeListener {
+
+ private IResource getResource() {
+ IEditorInput input = fTextEditor.getEditorInput();
+ if (input instanceof IFileEditorInput) {
+ IFileEditorInput fileInput = (IFileEditorInput) input;
+ return fileInput.getFile();
+ }
+ return null;
+ }
+
+ /*
+ * @see IResourceChangeListener#resourceChanged(org.eclipse.core.resources.IResourceChangeEvent)
+ */
+ public void resourceChanged(IResourceChangeEvent e) {
+ IResourceDelta delta = e.getDelta();
+ IResource resource = getResource();
+ if (delta != null && resource != null) {
+ IResourceDelta child = delta.findMember(resource.getFullPath());
+ if (child != null) {
+ IMarkerDelta[] deltas = child.getMarkerDeltas();
+ if (deltas.length > 0)
+ forceReconciling();
+ }
+ }
+ }
+ }
+
+ /** The reconciler's editor */
+ private ITextEditor fTextEditor;
+
+ /** The part listener */
+ private IPartListener fPartListener;
+
+ /** The shell listener */
+ private ShellListener fActivationListener;
+
+ /**
+ * The mutex that keeps us from running multiple reconcilers on one editor.
+ * TODO remove once we have ensured that there is only one reconciler per
+ * editor.
+ */
+ private Object fMutex;
+
+ /**
+ * The Java element changed listener.
+ *
+ * @since 3.0
+ */
+ private IElementChangedListener fJavaElementChangedListener;
+
+ /**
+ * Tells whether the Java model sent out a changed event.
+ *
+ * @since 3.0
+ */
+ private volatile boolean fHasJavaModelChanged = true;
+
+ /**
+ * The resource change listener.
+ *
+ * @since 3.0
+ */
+ private IResourceChangeListener fResourceChangeListener;
+
+ private boolean fIninitalProcessDone = false;
+
+ /**
+ * Creates a new reconciler.
+ */
+ public JavaReconciler(ITextEditor editor,
+ JavaCompositeReconcilingStrategy strategy, boolean isIncremental) {
+ super(strategy, isIncremental);
+ fTextEditor = editor;
+
+ // https://bugs.eclipse.org/bugs/show_bug.cgi?id=63898
+ // when re-using editors, a new reconciler is set up by the source
+ // viewer
+ // and the old one uninstalled. However, the old reconciler may still be
+ // running.
+ // To avoid having to reconcilers calling
+ // CompilationUnitEditor.reconciled,
+ // we synchronized on a lock object provided by the editor.
+ // The critical section is really the entire run() method of the
+ // reconciler
+ // thread, but synchronizing process() only will keep
+ // JavaReconcilingStrategy
+ // from running concurrently on the same editor.
+ // TODO remove once we have ensured that there is only one reconciler
+ // per editor.
+ if (editor instanceof PHPUnitEditor)
+ fMutex = ((PHPUnitEditor) editor).getReconcilerLock();
+ else
+ fMutex = new Object(); // Null Object
+ }
+
+ /*
+ * @see org.eclipse.jface.text.reconciler.IReconciler#install(org.eclipse.jface.text.ITextViewer)
+ */
+ public void install(ITextViewer textViewer) {
+ super.install(textViewer);
+
+ fPartListener = new PartListener();
+ IWorkbenchPartSite site = fTextEditor.getSite();
+ IWorkbenchWindow window = site.getWorkbenchWindow();
+ window.getPartService().addPartListener(fPartListener);
+
+ fActivationListener = new ActivationListener(textViewer.getTextWidget());
+ Shell shell = window.getShell();
+ shell.addShellListener(fActivationListener);
+
+ fJavaElementChangedListener = new ElementChangedListener();
+ JavaCore.addElementChangedListener(fJavaElementChangedListener);
+
+ fResourceChangeListener = new ResourceChangeListener();
+ IWorkspace workspace = PHPeclipsePlugin.getWorkspace();
+ workspace.addResourceChangeListener(fResourceChangeListener);
+ }
+
+ /*
+ * @see org.eclipse.jface.text.reconciler.IReconciler#uninstall()
+ */
+ public void uninstall() {
+
+ IWorkbenchPartSite site = fTextEditor.getSite();
+ IWorkbenchWindow window = site.getWorkbenchWindow();
+ window.getPartService().removePartListener(fPartListener);
+ fPartListener = null;
+
+ Shell shell = window.getShell();
+ if (shell != null && !shell.isDisposed())
+ shell.removeShellListener(fActivationListener);
+ fActivationListener = null;
+
+ JavaCore.removeElementChangedListener(fJavaElementChangedListener);
+ fJavaElementChangedListener = null;
+
+ IWorkspace workspace = PHPeclipsePlugin.getWorkspace();
+ workspace.removeResourceChangeListener(fResourceChangeListener);
+ fResourceChangeListener = null;
+
+ super.uninstall();
+ }
+
+ /*
+ * @see org.eclipse.jface.text.reconciler.AbstractReconciler#forceReconciling()
+ */
+ protected void forceReconciling() {
+ if (!fIninitalProcessDone)
+ return;
+
+ super.forceReconciling();
+ JavaCompositeReconcilingStrategy strategy = (JavaCompositeReconcilingStrategy) getReconcilingStrategy(IDocument.DEFAULT_CONTENT_TYPE);
+ strategy.notifyListeners(false);
+ }
+
+ /*
+ * @see org.eclipse.jface.text.reconciler.AbstractReconciler#aboutToReconcile()
+ * @since 3.0
+ */
+ protected void aboutToBeReconciled() {
+ JavaCompositeReconcilingStrategy strategy = (JavaCompositeReconcilingStrategy) getReconcilingStrategy(IDocument.DEFAULT_CONTENT_TYPE);
+ strategy.aboutToBeReconciled();
+ }
+
+ /*
+ * @see org.eclipse.jface.text.reconciler.AbstractReconciler#reconcilerReset()
+ */
+ protected void reconcilerReset() {
+ super.reconcilerReset();
+ JavaCompositeReconcilingStrategy strategy = (JavaCompositeReconcilingStrategy) getReconcilingStrategy(IDocument.DEFAULT_CONTENT_TYPE);
+ strategy.notifyListeners(true);
+ }
+
+ /*
+ * @see org.eclipse.jface.text.reconciler.MonoReconciler#initialProcess()
+ */
+ protected void initialProcess() {
+ // TODO remove once we have ensured that there is only one reconciler
+ // per editor.
+ synchronized (fMutex) {
+ super.initialProcess();
+ }
+ fIninitalProcessDone = true;
+ }
+
+ /*
+ * @see org.eclipse.jface.text.reconciler.MonoReconciler#process(org.eclipse.jface.text.reconciler.DirtyRegion)
+ */
+ protected void process(DirtyRegion dirtyRegion) {
+ // TODO remove once we have ensured that there is only one reconciler
+ // per editor.
+ synchronized (fMutex) {
+ super.process(dirtyRegion);
+ }
+ }
+
+ /**
+ * Tells whether the Java Model has changed or not.
+ *
+ * @return <code>true</code> iff the Java Model has changed
+ * @since 3.0
+ */
+ private synchronized boolean hasJavaModelChanged() {
+ return fHasJavaModelChanged;
+ }
+
+ /**
+ * Sets whether the Java Model has changed or not.
+ *
+ * @param state
+ * <code>true</code> iff the java model has changed
+ * @since 3.0
+ */
+ private synchronized void setJavaModelChanged(boolean state) {
+ fHasJavaModelChanged = state;
+ }
+}
+// /**
+// * A reconciler that is also activated on editor activation.
+// */
+// public class JavaReconciler extends MonoReconciler {
+//
+// /**
+// * Internal part listener for activating the reconciler.
+// */
+// class PartListener implements IPartListener {
+//
+// /*
+// * @see IPartListener#partActivated(IWorkbenchPart)
+// */
+// public void partActivated(IWorkbenchPart part) {
+// if (part == fTextEditor)
+// JavaReconciler.this.forceReconciling();
+// }
+//
+// /*
+// * @see IPartListener#partBroughtToTop(IWorkbenchPart)
+// */
+// public void partBroughtToTop(IWorkbenchPart part) {
+// }
+//
+// /*
+// * @see IPartListener#partClosed(IWorkbenchPart)
+// */
+// public void partClosed(IWorkbenchPart part) {
+// }
+//
+// /*
+// * @see IPartListener#partDeactivated(IWorkbenchPart)
+// */
+// public void partDeactivated(IWorkbenchPart part) {
+// }
+//
+// /*
+// * @see IPartListener#partOpened(IWorkbenchPart)
+// */
+// public void partOpened(IWorkbenchPart part) {
+// }
+// };
+//
+//
+// /** The reconciler's editor */
+// private ITextEditor fTextEditor;
+// /** The part listener */
+// private IPartListener fPartListener;
+//
+//
+// /**
+// * Creates a new reconciler.
+// */
+// public JavaReconciler(ITextEditor editor, IReconcilingStrategy strategy,
+// boolean isIncremental) {
+// super(strategy, isIncremental);
+// fTextEditor= editor;
+// }
+//
+// /*
+// * @see IReconciler#install(ITextViewer)
+// */
+// public void install(ITextViewer textViewer) {
+// super.install(textViewer);
+//
+// fPartListener= new PartListener();
+// IWorkbenchPartSite site= fTextEditor.getSite();
+// IWorkbenchWindow window= site.getWorkbenchWindow();
+// window.getPartService().addPartListener(fPartListener);
+// }
+//
+// /*
+// * @see IReconciler#uninstall()
+// */
+// public void uninstall() {
+//
+// IWorkbenchPartSite site= fTextEditor.getSite();
+// IWorkbenchWindow window= site.getWorkbenchWindow();
+// window.getPartService().removePartListener(fPartListener);
+// fPartListener= null;
+//
+// super.uninstall();
+// }
+//
+// /*
+// * @see AbstractReconciler#forceReconciling()
+// */
+// protected void forceReconciling() {
+// super.forceReconciling();
+// IReconcilingStrategy strategy=
+// getReconcilingStrategy(IDocument.DEFAULT_CONTENT_TYPE);
+// if (strategy instanceof JavaReconcilingStrategy) {
+// JavaReconcilingStrategy java= (JavaReconcilingStrategy) strategy;
+// java.notifyParticipants(false);
+// }
+// }
+//
+// /*
+// * @see AbstractReconciler#reconcilerReset()
+// */
+// protected void reconcilerReset() {
+// super.reconcilerReset();
+// IReconcilingStrategy strategy=
+// getReconcilingStrategy(IDocument.DEFAULT_CONTENT_TYPE);
+// if (strategy instanceof JavaReconcilingStrategy) {
+// JavaReconcilingStrategy java= (JavaReconcilingStrategy) strategy;
+// java.notifyParticipants(true);
+// }
+// }
+// }
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