Java tutorial
// ============================================================================ // // Copyright (C) 2006-2017 Talend Inc. - www.talend.com // // This source code is available under agreement available at // %InstallDIR%\features\org.talend.rcp.branding.%PRODUCTNAME%\%PRODUCTNAME%license.txt // // You should have received a copy of the agreement // along with this program; if not, write to Talend SA // 9 rue Pages 92150 Suresnes, France // // ============================================================================ package com.amalto.workbench.widgets.composites; import java.util.Iterator; import java.util.List; import java.util.Set; import org.eclipse.jface.preference.IPreferenceStore; import org.eclipse.jface.resource.JFaceResources; import org.eclipse.jface.text.Document; import org.eclipse.jface.text.DocumentEvent; import org.eclipse.jface.text.IDocument; import org.eclipse.jface.text.IDocumentListener; import org.eclipse.jface.text.IDocumentPartitioner; import org.eclipse.jface.text.rules.FastPartitioner; import org.eclipse.jface.text.source.Annotation; import org.eclipse.jface.text.source.IOverviewRuler; import org.eclipse.jface.text.source.ISourceViewer; import org.eclipse.jface.text.source.IVerticalRuler; import org.eclipse.jface.text.source.SourceViewerConfiguration; import org.eclipse.jface.text.source.projection.ProjectionAnnotationModel; import org.eclipse.jface.text.source.projection.ProjectionSupport; import org.eclipse.jface.text.source.projection.ProjectionViewer; import org.eclipse.jface.util.IPropertyChangeListener; import org.eclipse.jface.util.PropertyChangeEvent; import org.eclipse.swt.widgets.Composite; import org.eclipse.ui.texteditor.AbstractDecoratedTextEditorPreferenceConstants; import org.eclipse.ui.texteditor.AnnotationPreference; import org.eclipse.ui.texteditor.MarkerAnnotationPreferences; import org.eclipse.ui.texteditor.SourceViewerDecorationSupport; import com.amalto.workbench.MDMWorbenchPlugin; import com.amalto.workbench.widgets.xmlviewer.XMLSourceViewerHelper; import com.amalto.workbench.widgets.xmlviewer.annotation.TagPairMatcher; /** * created by liusongbo on Sep 9, 2015 * */ public class ElementFKInfoFormatViewer extends ProjectionViewer { public static final String TYPE = "org.eclipse.ui.workbench.texteditor.error"; //$NON-NLS-1$ private final static String CURRENT_LINE = AbstractDecoratedTextEditorPreferenceConstants.EDITOR_CURRENT_LINE; private final static String CURRENT_LINE_COLOR = AbstractDecoratedTextEditorPreferenceConstants.EDITOR_CURRENT_LINE_COLOR; private final static String PRINT_MARGIN = AbstractDecoratedTextEditorPreferenceConstants.EDITOR_PRINT_MARGIN; private final static String PRINT_MARGIN_COLOR = AbstractDecoratedTextEditorPreferenceConstants.EDITOR_PRINT_MARGIN_COLOR; private final static String PRINT_MARGIN_COLUMN = AbstractDecoratedTextEditorPreferenceConstants.EDITOR_PRINT_MARGIN_COLUMN; private IOverviewRuler overviewRuler; private IDocument document; private ElementFKInfoAnnotaioner annotationer; private ProjectionAnnotationModel annotationModel; private ProjectionSupport projectionSupport; private SourceViewerDecorationSupport fSourceViewerDecorationSupport; private MarkerAnnotationPreferences fAnnotationPreferences; private ElementFKInfoConfiguration config; private IPropertyChangeListener propertyChangeListener; public ElementFKInfoFormatViewer(Composite parent, IVerticalRuler ruler, IOverviewRuler overviewRuler, boolean showsAnnotationOverview, int styles) { super(parent, ruler, overviewRuler, showsAnnotationOverview, styles); this.overviewRuler = overviewRuler; } public void initilize() { document = new Document(); annotationModel = new ProjectionAnnotationModel(); intallDocument(document); installProjectSupport(); getSourceViewerDecorationSupport(this); installValidator(); getTextWidget().setWordWrap(true); } private void intallDocument(IDocument doc) { IDocumentPartitioner partitioner = new FastPartitioner(new ElementFKInfotPartitionScanner(), new String[] { ElementFKInfotPartitionScanner.COMMON_STRING }); partitioner.connect(doc); doc.setDocumentPartitioner(partitioner); setDocument(doc, annotationModel); } private void installProjectSupport() { projectionSupport = new ProjectionSupport(this, ElementFKInfoFormatHelper.getAnnotationAccess(), ElementFKInfoFormatHelper.getSharedColors()); projectionSupport.addSummarizableAnnotationType("org.eclipse.ui.workbench.texteditor.error"); //$NON-NLS-1$ projectionSupport.install(); // turn projection mode on this.doOperation(ProjectionViewer.TOGGLE); } protected SourceViewerDecorationSupport getSourceViewerDecorationSupport(ISourceViewer viewer) { if (fSourceViewerDecorationSupport == null) { fSourceViewerDecorationSupport = new SourceViewerDecorationSupport(viewer, overviewRuler, XMLSourceViewerHelper.getInstance().getAnnotationAccess(), XMLSourceViewerHelper.getInstance().getSharedColors()); // patch see SourceViewerDecorationSupport AnnotationPreference info = new AnnotationPreference(); info.setAnnotationType(TYPE); info.setTextPreferenceKey("errorIndication"); //$NON-NLS-1$ info.setTextStylePreferenceKey("errorTextStyle"); //$NON-NLS-1$ info.setColorPreferenceKey("errorIndicationColor"); //$NON-NLS-1$ getPreferenceStore().setValue(info.getTextPreferenceKey(), true); getPreferenceStore().setValue(info.getTextStylePreferenceKey(), "PROBLEM_UNDERLINE"); //$NON-NLS-1$ getPreferenceStore().setValue(info.getColorPreferenceKey(), "255, 0, 0"); //$NON-NLS-1$ configureSourceViewerDecorationSupport(fSourceViewerDecorationSupport); } return fSourceViewerDecorationSupport; } protected void configureSourceViewerDecorationSupport(SourceViewerDecorationSupport support) { Iterator e = getAnnotationPreferences().getAnnotationPreferences().iterator(); while (e.hasNext()) { support.setAnnotationPreference((AnnotationPreference) e.next()); } support.setCursorLinePainterPreferenceKeys(CURRENT_LINE, CURRENT_LINE_COLOR); support.setMarginPainterPreferenceKeys(PRINT_MARGIN, PRINT_MARGIN_COLOR, PRINT_MARGIN_COLUMN); support.setSymbolicFontName(JFaceResources.TEXT_FONT); support.setCharacterPairMatcher(new TagPairMatcher()); support.install(getPreferenceStore()); } private MarkerAnnotationPreferences getAnnotationPreferences() { if (fAnnotationPreferences == null) { fAnnotationPreferences = new MarkerAnnotationPreferences(); // force init fAnnotationPreferences.getAnnotationPreferences(); } return fAnnotationPreferences; } private IPreferenceStore getPreferenceStore() { return MDMWorbenchPlugin.getDefault().getPreferenceStore(); } private void installValidator() { IDocumentListener validateListener = new IDocumentListener() { public void documentChanged(DocumentEvent event) { Set<Annotation> updatedAnnotations = getAnnotationer().updateAnnotations(annotationModel, event); if (propertyChangeListener != null) { propertyChangeListener .propertyChange(new PropertyChangeEvent("", "", null, updatedAnnotations.size() == 0)); //$NON-NLS-1$ //$NON-NLS-2$ } } public void documentAboutToBeChanged(DocumentEvent event) { } }; document.addDocumentListener(validateListener); } private ElementFKInfoAnnotaioner getAnnotationer() { if (annotationer == null) { annotationer = new ElementFKInfoAnnotaioner(annotationModel, document); } return annotationer; } @Override public void configure(SourceViewerConfiguration configuration) { super.configure(configuration); this.config = (ElementFKInfoConfiguration) configuration; } public Set<Annotation> setFkinfos(List<String> xPaths) { Set<Annotation> updatedAnnotations = getAnnotationer().setFKInfos(xPaths); config.setFKInfos(xPaths); return updatedAnnotations; } public void setFormatFKInfo(String formatFKInfo) { document.set(formatFKInfo); } public String getFormatFKInfo() { return document.get(); } public void addPropertyChangeListener(IPropertyChangeListener propChangeListener) { this.propertyChangeListener = propChangeListener; } }