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/*******************************************************************************
* Copyright (c) 2004, 2010 Tasktop Technologies 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:
* Tasktop Technologies - initial API and implementation
* Frank Becker - improvements
*******************************************************************************/
package org.eclipse.mylyn.internal.tasks.ui.editors;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.TextAttribute;
import org.eclipse.jface.text.contentassist.ContentAssistant;
import org.eclipse.jface.text.contentassist.IContentAssistant;
import org.eclipse.jface.text.hyperlink.AbstractHyperlinkDetector;
import org.eclipse.jface.text.hyperlink.IHyperlinkDetector;
import org.eclipse.jface.text.hyperlink.IHyperlinkPresenter;
import org.eclipse.jface.text.presentation.IPresentationReconciler;
import org.eclipse.jface.text.presentation.PresentationReconciler;
import org.eclipse.jface.text.reconciler.IReconciler;
import org.eclipse.jface.text.rules.DefaultDamagerRepairer;
import org.eclipse.jface.text.rules.IRule;
import org.eclipse.jface.text.rules.IToken;
import org.eclipse.jface.text.rules.RuleBasedScanner;
import org.eclipse.jface.text.rules.SingleLineRule;
import org.eclipse.jface.text.rules.Token;
import org.eclipse.jface.text.source.ISourceViewer;
import org.eclipse.mylyn.commons.ui.compatibility.CommonColors;
import org.eclipse.mylyn.tasks.core.ITask;
import org.eclipse.mylyn.tasks.core.TaskRepository;
import org.eclipse.mylyn.tasks.ui.TaskHyperlinkPresenter;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.RGB;
import org.eclipse.ui.editors.text.EditorsUI;
import org.eclipse.ui.editors.text.TextSourceViewerConfiguration;
/**
* @author Rob Elves
* @author Steffen Pingel
* @since 3.0
*/
public class RepositoryTextViewerConfiguration extends TextSourceViewerConfiguration {
public enum Mode {
URL, TASK, TASK_RELATION, DEFAULT
}
private static final String ID_CONTEXT_EDITOR_TASK = "org.eclipse.mylyn.tasks.ui.TaskEditor"; //$NON-NLS-1$
private static final String ID_CONTEXT_EDITOR_TEXT = "org.eclipse.ui.DefaultTextEditor"; //$NON-NLS-1$
private RepositoryTextScanner scanner;
private final boolean spellCheck;
private final TaskRepository taskRepository;
private Mode mode;
private final ITask task;
/**
* @deprecated use {@link #RepositoryTextViewerConfiguration(TaskRepository, ITask, boolean)} instead.
*/
@Deprecated
public RepositoryTextViewerConfiguration(TaskRepository taskRepository, boolean spellCheck) {
this(taskRepository, null, spellCheck);
}
public RepositoryTextViewerConfiguration(TaskRepository taskRepository, ITask task, boolean spellCheck) {
super(EditorsUI.getPreferenceStore());
this.taskRepository = taskRepository;
this.spellCheck = spellCheck;
this.mode = Mode.DEFAULT;
this.task = task;
}
public Mode getMode() {
return mode;
}
public void setMode(Mode mode) {
Assert.isNotNull(mode);
this.mode = mode;
}
@Override
public IPresentationReconciler getPresentationReconciler(ISourceViewer sourceViewer) {
if (getMode() == Mode.DEFAULT) {
PresentationReconciler reconciler = new PresentationReconciler();
reconciler.setDocumentPartitioning(getConfiguredDocumentPartitioning(sourceViewer));
DefaultDamagerRepairer dr = new DefaultDamagerRepairer(getDefaultScanner());
reconciler.setDamager(dr, IDocument.DEFAULT_CONTENT_TYPE);
reconciler.setRepairer(dr, IDocument.DEFAULT_CONTENT_TYPE);
return reconciler;
}
return super.getPresentationReconciler(sourceViewer);
}
private RepositoryTextScanner getDefaultScanner() {
if (scanner == null) {
scanner = new RepositoryTextScanner(getMode());
}
return scanner;
}
@Override
public IHyperlinkDetector[] getHyperlinkDetectors(ISourceViewer sourceViewer) {
if (mode == Mode.URL || mode == Mode.TASK_RELATION) {
return getDefaultHyperlinkDetectors(sourceViewer, mode);
}
return super.getHyperlinkDetectors(sourceViewer);
}
public IHyperlinkDetector[] getDefaultHyperlinkDetectors(ISourceViewer sourceViewer, Mode mode) {
IHyperlinkDetector[] detectors;
if (mode == Mode.URL) {
detectors = new IHyperlinkDetector[] { new TaskUrlHyperlinkDetector() };
} else if (mode == Mode.TASK) {
detectors = new IHyperlinkDetector[] { new TaskHyperlinkDetector() };
} else if (mode == Mode.TASK_RELATION) {
detectors = new IHyperlinkDetector[] { new TaskRelationHyperlinkDetector() };
} else {
detectors = super.getHyperlinkDetectors(sourceViewer);
}
if (detectors != null) {
IAdaptable target = getDefaultHyperlinkTarget();
for (IHyperlinkDetector hyperlinkDetector : detectors) {
if (hyperlinkDetector instanceof AbstractHyperlinkDetector) {
((AbstractHyperlinkDetector) hyperlinkDetector).setContext(target);
}
}
}
return detectors;
}
@Override
@SuppressWarnings("rawtypes")
protected Map getHyperlinkDetectorTargets(final ISourceViewer sourceViewer) {
IAdaptable context = getDefaultHyperlinkTarget();
Map<String, IAdaptable> targets = new HashMap<String, IAdaptable>();
targets.put(ID_CONTEXT_EDITOR_TEXT, context);
targets.put(ID_CONTEXT_EDITOR_TASK, context);
return targets;
}
@SuppressWarnings("rawtypes")
private IAdaptable getDefaultHyperlinkTarget() {
IAdaptable context = new IAdaptable() {
public Object getAdapter(Class adapter) {
if (adapter == TaskRepository.class) {
return getTaskRepository();
} else if (adapter == ITask.class) {
return getTask();
}
return null;
}
};
return context;
}
public TaskRepository getTaskRepository() {
return taskRepository;
}
@Override
public IHyperlinkPresenter getHyperlinkPresenter(final ISourceViewer sourceViewer) {
if (fPreferenceStore == null) {
return new TaskHyperlinkPresenter(new RGB(0, 0, 255));
}
return new TaskHyperlinkPresenter(fPreferenceStore);
}
@Override
public int getHyperlinkStateMask(ISourceViewer sourceViewer) {
return SWT.NONE;
}
@Override
public IReconciler getReconciler(ISourceViewer sourceViewer) {
if (spellCheck) {
return super.getReconciler(sourceViewer);
} else {
return null;
}
}
private static class RepositoryTextScanner extends RuleBasedScanner {
public RepositoryTextScanner(Mode mode) {
IToken quoteToken = new Token(new TextAttribute(CommonColors.TEXT_QUOTED));
IRule[] rules = new IRule[1];
SingleLineRule quoteRule = new SingleLineRule(">", null, quoteToken, (char) 0, true); //$NON-NLS-1$
quoteRule.setColumnConstraint(0);
rules[0] = quoteRule;
setRules(rules);
}
}
@Override
public IContentAssistant getContentAssistant(ISourceViewer sourceViewer) {
if (mode == Mode.URL) {
return null;
}
ContentAssistant assistant = new ContentAssistant();
RepositoryCompletionProcessor processor = new RepositoryCompletionProcessor(taskRepository);
if (mode == Mode.TASK_RELATION) {
processor.setNeverIncludePrefix(true);
}
assistant.setContentAssistProcessor(processor, IDocument.DEFAULT_CONTENT_TYPE);
return assistant;
}
public ITask getTask() {
return task;
}
}
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