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Refactor new ICommonOperation. Renamed AbstractToolManager.
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plugin_ide.core/src-lang/melnorme/lang/ide/core/engine/DocumentReconcileManager.java
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| @@ -0,0 +1,196 @@ | ||
| /******************************************************************************* | ||
| * Copyright (c) 2016 Bruno Medeiros and other Contributors. | ||
| * 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: | ||
| * Bruno Medeiros - initial API and implementation | ||
| *******************************************************************************/ | ||
| package melnorme.lang.ide.core.engine; | ||
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| import static melnorme.utilbox.core.Assert.AssertNamespace.assertNotNull; | ||
| import static melnorme.utilbox.core.Assert.AssertNamespace.assertTrue; | ||
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| import org.eclipse.core.filebuffers.FileBuffers; | ||
| import org.eclipse.core.filebuffers.IFileBuffer; | ||
| import org.eclipse.core.filebuffers.ITextFileBuffer; | ||
| import org.eclipse.core.filebuffers.ITextFileBufferManager; | ||
| import org.eclipse.core.resources.IFile; | ||
| import org.eclipse.core.resources.IProject; | ||
| import org.eclipse.jface.text.DocumentEvent; | ||
| import org.eclipse.jface.text.IDocument; | ||
| import org.eclipse.jface.text.IDocumentListener; | ||
| import org.eclipse.jface.text.ISynchronizable; | ||
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| import melnorme.lang.ide.core.engine.SourceModelManager.StructureInfo; | ||
| import melnorme.lang.ide.core.engine.SourceModelManager.StructureUpdateTask; | ||
| import melnorme.lang.ide.core.utils.CoreExecutors; | ||
| import melnorme.lang.ide.core.utils.DefaultBufferListener; | ||
| import melnorme.lang.ide.core.utils.ResourceUtils; | ||
| import melnorme.utilbox.concurrency.ICommonExecutor; | ||
| import melnorme.utilbox.concurrency.ResultFuture.LatchFuture; | ||
| import melnorme.utilbox.core.fntypes.CallableX; | ||
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| /** | ||
| * Manager for all model reconciliations after text file buffer changes, | ||
| * whether is document modifications, or file saves. | ||
| */ | ||
| public class DocumentReconcileManager extends AbstractAgentManager { | ||
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| protected final ITextFileBufferManager fbm; | ||
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| public DocumentReconcileManager() { | ||
| this(FileBuffers.getTextFileBufferManager()); | ||
| } | ||
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| public DocumentReconcileManager(ITextFileBufferManager fbm) { | ||
| this.fbm = assertNotNull(fbm); | ||
| } | ||
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| @Override | ||
| protected ICommonExecutor init_executor() { | ||
| return CoreExecutors.newExecutorTaskAgent(DocumentReconcileManager.class); | ||
| } | ||
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| /* ----------------- ----------------- */ | ||
|
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| public DocumentReconcileConnection connectDocument(IDocument document, StructureInfo structureInfo) { | ||
| ITextFileBuffer textFileBuffer = ResourceUtils.getTextFileBuffer(fbm, structureInfo.getLocation()); | ||
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| if(textFileBuffer != null) { | ||
| return new TextReconcileConnection(document, structureInfo, textFileBuffer); | ||
| } | ||
| return new DocumentReconcileConnection(document, structureInfo); | ||
| } | ||
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| public class DocumentReconcileConnection { | ||
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| protected final IDocument document; | ||
| protected final StructureInfo structureInfo; | ||
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| public DocumentReconcileConnection(IDocument document, StructureInfo structureInfo) { | ||
| this.document = assertNotNull(document); | ||
| this.structureInfo = assertNotNull(structureInfo); | ||
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| document.addDocumentListener(docListener); | ||
| } | ||
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| public void disconnect() { | ||
| document.removeDocumentListener(docListener); | ||
| } | ||
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| protected final IDocumentListener docListener = new IDocumentListener() { | ||
| @Override | ||
| public void documentAboutToBeChanged(DocumentEvent event) { | ||
| } | ||
| @Override | ||
| public void documentChanged(DocumentEvent event) { | ||
| assertTrue(document == event.fDocument); | ||
| doDocumentChanged(); | ||
| } | ||
| }; | ||
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| protected StructureUpdateTask doDocumentChanged() { | ||
| return structureInfo.queueSourceUpdateTask(document.get()); | ||
| } | ||
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| } | ||
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| public static IProject getProject(IFileBuffer fileBuffer) { | ||
| /* TODO : improve the API to get a project, or ignore project altogheter */ | ||
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| IFile file= FileBuffers.getWorkspaceFileAtLocation(fileBuffer.getLocation(), true); | ||
| if (file == null) { | ||
| return null; | ||
| } | ||
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| return file.getProject(); | ||
| } | ||
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| public class TextReconcileConnection extends DocumentReconcileConnection { | ||
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| protected final IProject project; // Can be null | ||
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| protected final ITextFileBuffer textFileBuffer; | ||
| protected final DirtyBufferListener fbListener; | ||
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| protected LatchFuture fileSaveFuture = new LatchFuture(); | ||
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| public TextReconcileConnection(IDocument document, StructureInfo structureInfo, ITextFileBuffer textFileBuffer) { | ||
| super(document, structureInfo); | ||
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| this.textFileBuffer = assertNotNull(textFileBuffer); | ||
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| fbListener = new DirtyBufferListener(); | ||
| fbm.addFileBufferListener(fbListener); | ||
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| project = getProject(textFileBuffer); | ||
| } | ||
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| @Override | ||
| public void disconnect() { | ||
| super.disconnect(); | ||
| fbm.removeFileBufferListener(fbListener); | ||
| fileSaveFuture.cancel(); | ||
| } | ||
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| @Override | ||
| protected StructureUpdateTask doDocumentChanged() { | ||
| StructureUpdateTask structureUpdateTask = structureInfo.queueSourceUpdateTask(document.get()); | ||
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| fileSaveFuture.cancel(); | ||
| fileSaveFuture = new LatchFuture(); | ||
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| if(project != null) { | ||
| projectReconciler.invalidateProjectModel(project, structureUpdateTask, fileSaveFuture); | ||
| } | ||
| return structureUpdateTask; | ||
| } | ||
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| public class DirtyBufferListener extends DefaultBufferListener { | ||
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| @Override | ||
| public void dirtyStateChanged(IFileBuffer buffer, boolean isDirty) { | ||
| if(buffer == textFileBuffer) { | ||
| if(!isDirty) { | ||
| // Mark the file save as completed | ||
| fileSaveFuture.setCompleted(); | ||
| handleDocumentSaved(); | ||
| } | ||
| } | ||
| } | ||
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| protected void handleDocumentSaved() { | ||
| StructureUpdateTask structureUpdateTask = structureInfo.documentSaved(document); | ||
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| if(structureUpdateTask != null && project != null) { | ||
| projectReconciler.invalidateProjectModel(project, structureUpdateTask, fileSaveFuture); | ||
| } | ||
| } | ||
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| } | ||
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| } | ||
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| protected final ProjectReconcileManager projectReconciler = new ProjectReconcileManager(this.executor); | ||
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| /* ----------------- ----------------- */ | ||
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| public static <R> R runUnderDocumentLock(IDocument doc, CallableX<R, RuntimeException> runnable) { | ||
| if(doc instanceof ISynchronizable) { | ||
| ISynchronizable synchronizable = (ISynchronizable) doc; | ||
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| Object lockObject = synchronizable.getLockObject(); | ||
| if(lockObject != null) { | ||
| synchronized(lockObject) { | ||
| return runnable.call(); | ||
| } | ||
| } | ||
| } | ||
|
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| return runnable.call(); | ||
| } | ||
|
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| } |
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