| /******************************************************************************* |
| * Copyright (c) 2000, 2005 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.ant.internal.ui; |
| |
| import org.eclipse.ant.internal.ui.editor.text.AntDocumentSetupParticipant; |
| import org.eclipse.ant.internal.ui.editor.text.AntEditorPartitionScanner; |
| import org.eclipse.ant.internal.ui.editor.text.AntEditorProcInstrScanner; |
| import org.eclipse.ant.internal.ui.editor.text.AntEditorTagScanner; |
| import org.eclipse.ant.internal.ui.editor.text.IAntEditorColorConstants; |
| import org.eclipse.ant.internal.ui.editor.text.MultilineDamagerRepairer; |
| import org.eclipse.ant.internal.ui.preferences.AntEditorPreferenceConstants; |
| import org.eclipse.jface.preference.IPreferenceStore; |
| import org.eclipse.jface.resource.StringConverter; |
| import org.eclipse.jface.text.IDocument; |
| import org.eclipse.jface.text.ITextDoubleClickStrategy; |
| import org.eclipse.jface.text.TextAttribute; |
| import org.eclipse.jface.text.presentation.IPresentationReconciler; |
| import org.eclipse.jface.text.presentation.PresentationReconciler; |
| import org.eclipse.jface.text.source.ISourceViewer; |
| import org.eclipse.jface.util.PropertyChangeEvent; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.RGB; |
| import org.eclipse.ui.editors.text.TextSourceViewerConfiguration; |
| import org.eclipse.ui.texteditor.AbstractDecoratedTextEditorPreferenceConstants; |
| |
| public class AntSourceViewerConfiguration extends TextSourceViewerConfiguration { |
| |
| private AntEditorTagScanner tagScanner; |
| private AntEditorProcInstrScanner instructionScanner; |
| private MultilineDamagerRepairer damageRepairer; |
| private MultilineDamagerRepairer dtdDamageRepairer; |
| private TextAttribute xmlCommentAttribute; |
| private TextAttribute xmlDtdAttribute; |
| |
| public AntSourceViewerConfiguration() { |
| super(AntUIPlugin.getDefault().getCombinedPreferenceStore()); |
| } |
| |
| private AntEditorProcInstrScanner getDefaultScanner() { |
| if (instructionScanner == null) { |
| instructionScanner = new AntEditorProcInstrScanner(); |
| } |
| return instructionScanner; |
| } |
| |
| private AntEditorTagScanner getTagScanner() { |
| if (tagScanner == null) { |
| tagScanner = new AntEditorTagScanner(); |
| } |
| return tagScanner; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.text.source.SourceViewerConfiguration#getPresentationReconciler(org.eclipse.jface.text.source.ISourceViewer) |
| */ |
| public IPresentationReconciler getPresentationReconciler(ISourceViewer sourceViewer) { |
| PresentationReconciler reconciler = new PresentationReconciler(); |
| reconciler.setDocumentPartitioning(getConfiguredDocumentPartitioning(sourceViewer)); |
| |
| MultilineDamagerRepairer dr = new MultilineDamagerRepairer(getDefaultScanner()); |
| reconciler.setDamager(dr, IDocument.DEFAULT_CONTENT_TYPE); |
| reconciler.setRepairer(dr, IDocument.DEFAULT_CONTENT_TYPE); |
| |
| dr = new MultilineDamagerRepairer(getTagScanner()); |
| reconciler.setDamager(dr, AntEditorPartitionScanner.XML_TAG); |
| reconciler.setRepairer(dr, AntEditorPartitionScanner.XML_TAG); |
| |
| int style= getStyle(IAntEditorColorConstants.XML_COMMENT_COLOR); |
| xmlCommentAttribute= new TextAttribute(AntUIPlugin.getPreferenceColor(IAntEditorColorConstants.XML_COMMENT_COLOR), null, style); |
| damageRepairer= new MultilineDamagerRepairer(null, xmlCommentAttribute); |
| reconciler.setDamager(damageRepairer, AntEditorPartitionScanner.XML_COMMENT); |
| reconciler.setRepairer(damageRepairer, AntEditorPartitionScanner.XML_COMMENT); |
| |
| style= getStyle(IAntEditorColorConstants.XML_DTD_COLOR); |
| xmlDtdAttribute= new TextAttribute(AntUIPlugin.getPreferenceColor(IAntEditorColorConstants.XML_DTD_COLOR), null, style); |
| dtdDamageRepairer= new MultilineDamagerRepairer(null, xmlDtdAttribute); |
| reconciler.setDamager(dtdDamageRepairer, AntEditorPartitionScanner.XML_DTD); |
| reconciler.setRepairer(dtdDamageRepairer, AntEditorPartitionScanner.XML_DTD); |
| |
| return reconciler; |
| } |
| |
| private int getStyle(String pref) { |
| int style= SWT.NORMAL; |
| if (fPreferenceStore.getBoolean(pref + AntEditorPreferenceConstants.EDITOR_BOLD_SUFFIX)) { |
| style |= SWT.BOLD; |
| } |
| if (fPreferenceStore.getBoolean(pref + AntEditorPreferenceConstants.EDITOR_ITALIC_SUFFIX)) { |
| style |= SWT.ITALIC; |
| } |
| return style; |
| } |
| |
| /** |
| * Preference colors have changed. |
| * Update the default tokens of the scanners. |
| */ |
| public void adaptToPreferenceChange(PropertyChangeEvent event) { |
| if (tagScanner == null) { |
| return; //property change before the editor is fully created |
| } |
| tagScanner.adaptToPreferenceChange(event); |
| instructionScanner.adaptToPreferenceChange(event); |
| String property= event.getProperty(); |
| if (property.startsWith(IAntEditorColorConstants.XML_COMMENT_COLOR)) { |
| xmlCommentAttribute= adaptTextAttribute(event, property, xmlCommentAttribute, damageRepairer); |
| } else if (property.startsWith(IAntEditorColorConstants.XML_DTD_COLOR)) { |
| xmlDtdAttribute= adaptTextAttribute(event, property, xmlDtdAttribute, dtdDamageRepairer); |
| } |
| } |
| |
| private TextAttribute adaptTextAttribute(PropertyChangeEvent event, String property, TextAttribute textAttribute, MultilineDamagerRepairer repairer) { |
| if (property.endsWith(AntEditorPreferenceConstants.EDITOR_BOLD_SUFFIX)) { |
| textAttribute= adaptToStyleChange(event, SWT.BOLD, textAttribute); |
| } else if (property.endsWith(AntEditorPreferenceConstants.EDITOR_ITALIC_SUFFIX)) { |
| textAttribute= adaptToStyleChange(event, SWT.ITALIC, textAttribute); |
| } else { |
| textAttribute= adaptToColorChange(event, textAttribute); |
| } |
| repairer.setDefaultTextAttribute(textAttribute); |
| return textAttribute; |
| } |
| |
| private TextAttribute adaptToStyleChange(PropertyChangeEvent event, int styleAttribute, TextAttribute textAttribute) { |
| boolean eventValue= false; |
| Object value= event.getNewValue(); |
| if (value instanceof Boolean) { |
| eventValue= ((Boolean) value).booleanValue(); |
| } else if (IPreferenceStore.TRUE.equals(value)) { |
| eventValue= true; |
| } |
| |
| boolean activeValue= (textAttribute.getStyle() & styleAttribute) == styleAttribute; |
| if (activeValue != eventValue) { |
| textAttribute= new TextAttribute(textAttribute.getForeground(), textAttribute.getBackground(), eventValue ? textAttribute.getStyle() | styleAttribute : textAttribute.getStyle() & ~styleAttribute); |
| } |
| return textAttribute; |
| } |
| |
| /** |
| * Update the text attributes associated with the tokens of this scanner as a color preference has been changed. |
| */ |
| private TextAttribute adaptToColorChange(PropertyChangeEvent event, TextAttribute textAttribute) { |
| RGB rgb= null; |
| |
| Object value= event.getNewValue(); |
| if (value instanceof RGB) { |
| rgb= (RGB) value; |
| } else if (value instanceof String) { |
| rgb= StringConverter.asRGB((String) value); |
| } |
| |
| if (rgb != null) { |
| textAttribute= new TextAttribute(ColorManager.getDefault().getColor(rgb), textAttribute.getBackground(), textAttribute.getStyle()); |
| } |
| return textAttribute; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.text.source.SourceViewerConfiguration#getConfiguredContentTypes(org.eclipse.jface.text.source.ISourceViewer) |
| */ |
| public String[] getConfiguredContentTypes(ISourceViewer sourceViewer) { |
| return new String[] { |
| IDocument.DEFAULT_CONTENT_TYPE, |
| AntEditorPartitionScanner.XML_COMMENT, |
| AntEditorPartitionScanner.XML_TAG, |
| AntEditorPartitionScanner.XML_CDATA, |
| AntEditorPartitionScanner.XML_DTD}; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.text.source.SourceViewerConfiguration#getTabWidth(org.eclipse.jface.text.source.ISourceViewer) |
| */ |
| public int getTabWidth(ISourceViewer sourceViewer) { |
| return fPreferenceStore.getInt(AbstractDecoratedTextEditorPreferenceConstants.EDITOR_TAB_WIDTH); |
| } |
| |
| public boolean affectsTextPresentation(PropertyChangeEvent event) { |
| String property= event.getProperty(); |
| return property.startsWith(IAntEditorColorConstants.TEXT_COLOR) || |
| property.startsWith(IAntEditorColorConstants.PROCESSING_INSTRUCTIONS_COLOR) || |
| property.startsWith(IAntEditorColorConstants.STRING_COLOR) || |
| property.startsWith(IAntEditorColorConstants.TAG_COLOR) || |
| property.startsWith(IAntEditorColorConstants.XML_COMMENT_COLOR) || |
| property.startsWith(IAntEditorColorConstants.XML_DTD_COLOR); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.text.source.SourceViewerConfiguration#getConfiguredDocumentPartitioning(org.eclipse.jface.text.source.ISourceViewer) |
| */ |
| public String getConfiguredDocumentPartitioning(ISourceViewer sourceViewer) { |
| return AntDocumentSetupParticipant.ANT_PARTITIONING; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.text.source.SourceViewerConfiguration#getDoubleClickStrategy(org.eclipse.jface.text.source.ISourceViewer, java.lang.String) |
| */ |
| public ITextDoubleClickStrategy getDoubleClickStrategy(ISourceViewer sourceViewer, String contentType) { |
| if (AntEditorPartitionScanner.XML_TAG.equals(contentType)) { |
| return new AntDoubleClickStrategy(); |
| } |
| return super.getDoubleClickStrategy(sourceViewer, contentType); |
| } |
| } |