diff options
Diffstat (limited to 'bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/StructuredTextViewer.java')
| -rw-r--r-- | bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/StructuredTextViewer.java | 883 |
1 files changed, 0 insertions, 883 deletions
diff --git a/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/StructuredTextViewer.java b/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/StructuredTextViewer.java deleted file mode 100644 index f737962bfc..0000000000 --- a/bundles/org.eclipse.wst.sse.ui/src/org/eclipse/wst/sse/ui/internal/StructuredTextViewer.java +++ /dev/null @@ -1,883 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2001, 2007 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 - * Jens Lukowski/Innoopract - initial renaming/restructuring - * - *******************************************************************************/ -package org.eclipse.wst.sse.ui.internal; - -import org.eclipse.jface.text.BadLocationException; -import org.eclipse.jface.text.DocumentRewriteSession; -import org.eclipse.jface.text.DocumentRewriteSessionType; -import org.eclipse.jface.text.IDocument; -import org.eclipse.jface.text.IDocumentAdapter; -import org.eclipse.jface.text.IDocumentExtension4; -import org.eclipse.jface.text.IRegion; -import org.eclipse.jface.text.ITextSelection; -import org.eclipse.jface.text.ITextViewerExtension2; -import org.eclipse.jface.text.Region; -import org.eclipse.jface.text.TextSelection; -import org.eclipse.jface.text.contentassist.IContentAssistant; -import org.eclipse.jface.text.formatter.FormattingContext; -import org.eclipse.jface.text.formatter.FormattingContextProperties; -import org.eclipse.jface.text.formatter.IContentFormatterExtension; -import org.eclipse.jface.text.formatter.IFormattingContext; -import org.eclipse.jface.text.hyperlink.IHyperlinkDetector; -import org.eclipse.jface.text.information.IInformationPresenter; -import org.eclipse.jface.text.projection.ProjectionDocument; -import org.eclipse.jface.text.quickassist.IQuickAssistAssistant; -import org.eclipse.jface.text.reconciler.IReconciler; -import org.eclipse.jface.text.source.IAnnotationModel; -import org.eclipse.jface.text.source.IOverviewRuler; -import org.eclipse.jface.text.source.IVerticalRuler; -import org.eclipse.jface.text.source.SourceViewerConfiguration; -import org.eclipse.jface.text.source.projection.ProjectionViewer; -import org.eclipse.swt.SWT; -import org.eclipse.swt.events.VerifyEvent; -import org.eclipse.swt.graphics.Point; -import org.eclipse.swt.widgets.Composite; -import org.eclipse.ui.IEditorPart; -import org.eclipse.ui.IWorkbenchPage; -import org.eclipse.ui.IWorkbenchWindow; -import org.eclipse.ui.PlatformUI; -import org.eclipse.ui.texteditor.IEditorStatusLine; -import org.eclipse.wst.sse.core.internal.cleanup.StructuredContentCleanupHandler; -import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocument; -import org.eclipse.wst.sse.core.internal.undo.IDocumentSelectionMediator; -import org.eclipse.wst.sse.core.internal.undo.IStructuredTextUndoManager; -import org.eclipse.wst.sse.core.internal.undo.UndoDocumentEvent; -import org.eclipse.wst.sse.ui.StructuredTextViewerConfiguration; -import org.eclipse.wst.sse.ui.internal.provisional.style.Highlighter; -import org.eclipse.wst.sse.ui.internal.provisional.style.LineStyleProvider; -import org.eclipse.wst.sse.ui.internal.reconcile.StructuredRegionProcessor; -import org.eclipse.wst.sse.ui.internal.util.PlatformStatusLineUtil; - -public class StructuredTextViewer extends ProjectionViewer implements IDocumentSelectionMediator { - /** Text operation codes */ - private static final int BASE = ProjectionViewer.COLLAPSE_ALL; // see - // ProjectionViewer.COLLAPSE_ALL - private static final int CLEANUP_DOCUMENT = BASE + 4; - public static final int FORMAT_ACTIVE_ELEMENTS = BASE + 3; - - private static final String FORMAT_ACTIVE_ELEMENTS_TEXT = SSEUIMessages.Format_Active_Elements_UI_; //$NON-NLS-1$ - public static final int FORMAT_DOCUMENT = BASE + 2; - private static final String FORMAT_DOCUMENT_TEXT = SSEUIMessages.Format_Document_UI_; //$NON-NLS-1$ - private static final String TEXT_CUT = SSEUIMessages.Text_Cut_UI_; //$NON-NLS-1$ - private static final String TEXT_PASTE = SSEUIMessages.Text_Paste_UI_; //$NON-NLS-1$ - private static final String TEXT_SHIFT_LEFT = SSEUIMessages.Text_Shift_Left_UI_; //$NON-NLS-1$ = "Text Shift Left" - private static final String TEXT_SHIFT_RIGHT = SSEUIMessages.Text_Shift_Right_UI_; //$NON-NLS-1$ = "Text Shift Right" - private static final boolean TRACE_EXCEPTIONS = true; - - /* - * Max length of chars to format before it is considered a "big format" - * This is used to indication a small unrestricted rewrite session. - */ - private final int MAX_SMALL_FORMAT_LENGTH = 1000; - private boolean fBackgroundupdateInProgress; - private StructuredContentCleanupHandler fContentCleanupHandler = null; - private IDocumentAdapter fDocAdapter; - - private Highlighter fHighlighter; - - // private ViewerSelectionManager fViewerSelectionManager; - private SourceViewerConfiguration fConfiguration; - /* - * True if formatter has been set - */ - private boolean fFormatterSet = false; - - /** - * @see org.eclipse.jface.text.source.SourceViewer#SourceViewer(Composite, - * IVerticalRuler, IOverviewRuler, boolean, int) - */ - public StructuredTextViewer(Composite parent, IVerticalRuler verticalRuler, IOverviewRuler overviewRuler, boolean showAnnotationsOverview, int styles) { - super(parent, verticalRuler, overviewRuler, showAnnotationsOverview, styles); - } - - /** - * - */ - private void beep() { - getTextWidget().getDisplay().beep(); - } - - public void beginBackgroundUpdate() { - fBackgroundupdateInProgress = true; - setRedraw(false); - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.jface.text.ITextOperationTarget#canDoOperation(int) - */ - public boolean canDoOperation(int operation) { - if (fBackgroundupdateInProgress) { - return false; - } - switch (operation) { - case CONTENTASSIST_PROPOSALS : { - // (pa) if position isn't READ_ONLY (containsReadOnly() - // returns false), - // Otherwise, you DO want content assist (return true) - IDocument doc = getDocument(); - if (doc != null && doc instanceof IStructuredDocument) { - return isEditable() && (!((IStructuredDocument) doc).containsReadOnly(getSelectedRange().x, 0)); - } - break; - } - case CLEANUP_DOCUMENT : { - return (fContentCleanupHandler != null && isEditable()); - } - case FORMAT_DOCUMENT : - case FORMAT_ACTIVE_ELEMENTS : { - // if formatter not set yet, contentformatter can be null - return ((fContentFormatter != null || !fFormatterSet) && isEditable()); - } - } - return super.canDoOperation(operation); - } - - /** - * Should be identical to superclass version. Plus, we get our own special - * Highlighter. Plus we uninstall before installing. - */ - public void configure(SourceViewerConfiguration configuration) { - - if (getTextWidget() == null) - return; - - setDocumentPartitioning(configuration.getConfiguredDocumentPartitioning(this)); - - // always uninstall highlighter and null it out on new configuration - if (fHighlighter != null) { - fHighlighter.uninstall(); - fHighlighter = null; - } - - // install content type independent plugins - if (fPresentationReconciler != null) - fPresentationReconciler.uninstall(); - fPresentationReconciler = configuration.getPresentationReconciler(this); - if (fPresentationReconciler != null) - fPresentationReconciler.install(this); - - IReconciler newReconciler = configuration.getReconciler(this); - - if (newReconciler != fReconciler || newReconciler == null || fReconciler == null) { - - if (fReconciler != null) { - fReconciler.uninstall(); - } - - fReconciler = newReconciler; - - if (fReconciler != null) { - fReconciler.install(this); - // https://w3.opensource.ibm.com/bugzilla/show_bug.cgi?id=3858 - // still need set document on the reconciler (strategies) - if (fReconciler instanceof StructuredRegionProcessor) - ((StructuredRegionProcessor) fReconciler).setDocument(getDocument()); - } - } - - IContentAssistant newAssistant = configuration.getContentAssistant(this); - if (newAssistant != fContentAssistant || newAssistant == null || fContentAssistant == null) { - if (fContentAssistant != null) - fContentAssistant.uninstall(); - - fContentAssistant = newAssistant; - - if (fContentAssistant != null) { - fContentAssistant.install(this); - fContentAssistantInstalled = true; - } - else { - // 248036 - // disable the content assist operation if no content - // assistant - enableOperation(CONTENTASSIST_PROPOSALS, false); - } - } - - IQuickAssistAssistant quickAssistant = configuration.getQuickAssistAssistant(this); - if (quickAssistant != fQuickAssistAssistant || quickAssistant == null || fQuickAssistAssistant == null) { - if (fQuickAssistAssistant != null) - fQuickAssistAssistant.uninstall(); - - fQuickAssistAssistant = quickAssistant; - - if (fQuickAssistAssistant != null) { - fQuickAssistAssistant.install(this); - fQuickAssistAssistantInstalled = true; - } - else { - // 248036 - // disable the content assist operation if no content - // assistant - enableOperation(QUICK_ASSIST, false); - } - } - - fContentFormatter = configuration.getContentFormatter(this); - - // do not uninstall old information presenter if it's the same - IInformationPresenter newInformationPresenter = configuration.getInformationPresenter(this); - if (newInformationPresenter == null || fInformationPresenter == null || !(newInformationPresenter.equals(fInformationPresenter))) { - if (fInformationPresenter != null) - fInformationPresenter.uninstall(); - fInformationPresenter = newInformationPresenter; - if (fInformationPresenter != null) - fInformationPresenter.install(this); - } - - // disconnect from the old undo manager before setting the new one - if (fUndoManager != null) { - fUndoManager.disconnect(); - } - setUndoManager(configuration.getUndoManager(this)); - - // release old annotation hover before setting new one - if (fAnnotationHover instanceof StructuredTextAnnotationHover) { - ((StructuredTextAnnotationHover) fAnnotationHover).release(); - } - setAnnotationHover(configuration.getAnnotationHover(this)); - - // release old annotation hover before setting new one - if (fOverviewRulerAnnotationHover instanceof StructuredTextAnnotationHover) { - ((StructuredTextAnnotationHover) fOverviewRulerAnnotationHover).release(); - } - setOverviewRulerAnnotationHover(configuration.getAnnotationHover(this)); - - getTextWidget().setTabs(configuration.getTabWidth(this)); - setHoverControlCreator(configuration.getInformationControlCreator(this)); - - // if hyperlink manager has already been created, uninstall it - if (fHyperlinkManager != null) { - setHyperlinkDetectors(null, SWT.NONE); - } - setHyperlinkPresenter(configuration.getHyperlinkPresenter(this)); - IHyperlinkDetector[] hyperlinkDetectors = configuration.getHyperlinkDetectors(this); - int eventStateMask = configuration.getHyperlinkStateMask(this); - setHyperlinkDetectors(hyperlinkDetectors, eventStateMask); - - // install content type specific plugins - String[] types = configuration.getConfiguredContentTypes(this); - - // clear autoindent/autoedit strategies - fAutoIndentStrategies = null; - for (int i = 0; i < types.length; i++) { - String t = types[i]; - setAutoEditStrategies(configuration.getAutoEditStrategies(this, t), t); - setTextDoubleClickStrategy(configuration.getDoubleClickStrategy(this, t), t); - - int[] stateMasks = configuration.getConfiguredTextHoverStateMasks(this, t); - if (stateMasks != null) { - for (int j = 0; j < stateMasks.length; j++) { - int stateMask = stateMasks[j]; - setTextHover(configuration.getTextHover(this, t, stateMask), t, stateMask); - } - } - else { - setTextHover(configuration.getTextHover(this, t), t, ITextViewerExtension2.DEFAULT_HOVER_STATE_MASK); - } - - String[] prefixes = configuration.getIndentPrefixes(this, t); - if (prefixes != null && prefixes.length > 0) - setIndentPrefixes(prefixes, t); - - prefixes = configuration.getDefaultPrefixes(this, t); - if (prefixes != null && prefixes.length > 0) - setDefaultPrefixes(prefixes, t); - - // add highlighter/linestyleprovider - // BUG139753 - only create Highlighter if we have a valid document - if (configuration instanceof StructuredTextViewerConfiguration && getDocument() instanceof IStructuredDocument) { - LineStyleProvider[] providers = ((StructuredTextViewerConfiguration) configuration).getLineStyleProviders(this, t); - if (providers != null) { - for (int j = 0; j < providers.length; ++j) { - // delay creation of highlighter till - // linestyleprovider needs to be added - if (fHighlighter == null) - fHighlighter = new Highlighter(); - fHighlighter.addProvider(t, providers[j]); - } - } - } - } - - // initialize highlighter after linestyleproviders were added - if (fHighlighter != null) { - fHighlighter.setDocumentPartitioning(configuration.getConfiguredDocumentPartitioning(this)); - fHighlighter.setDocument((IStructuredDocument) getDocument()); - fHighlighter.install(this); - } - - activatePlugins(); - - fConfiguration = configuration; - } - - /** - * @param document - * @param startOffset - * @param endOffset - * @return - */ - private boolean containsReadOnly(IDocument document, int startOffset, int endOffset) { - - int start = startOffset; - int end = endOffset; - IStructuredDocument structuredDocument = null; - if (document instanceof IStructuredDocument) { - structuredDocument = (IStructuredDocument) document; - } - else { - if (document instanceof ProjectionDocument) { - IDocument doc = ((ProjectionDocument) document).getMasterDocument(); - if (doc instanceof IStructuredDocument) { - structuredDocument = (IStructuredDocument) doc; - int adjust = ((ProjectionDocument) document).getProjectionMapping().getCoverage().getOffset(); - start = adjust + start; - end = adjust + end; - } - } - } - if (structuredDocument == null) { - return false; - } - else { - int length = end - start; - return structuredDocument.containsReadOnly(start, length); - } - } - - protected IDocumentAdapter createDocumentAdapter() { - - fDocAdapter = new StructuredDocumentToTextAdapter(getTextWidget()); - return fDocAdapter; - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.jface.text.ITextOperationTarget#doOperation(int) - */ - public void doOperation(int operation) { - - Point selection = getTextWidget().getSelection(); - int cursorPosition = selection.x; - int selectionLength = selection.y - selection.x; - switch (operation) { - case CUT : - beginRecording(TEXT_CUT, TEXT_CUT, cursorPosition, selectionLength); - super.doOperation(operation); - selection = getTextWidget().getSelection(); - cursorPosition = selection.x; - selectionLength = selection.y - selection.x; - endRecording(cursorPosition, selectionLength); - break; - case PASTE : - beginRecording(TEXT_PASTE, TEXT_PASTE, cursorPosition, selectionLength); - super.doOperation(operation); - selection = getTextWidget().getSelection(); - cursorPosition = selection.x; - selectionLength = selection.y - selection.x; - endRecording(cursorPosition, selectionLength); - break; - case CONTENTASSIST_PROPOSALS : - // maybe not configured? - if (fContentAssistant != null && isEditable()) { - // CMVC 263269 - // need an explicit check here because the - // contentAssistAction is no longer being updated on - // cursor - // position - if (canDoOperation(CONTENTASSIST_PROPOSALS)) { - String err = fContentAssistant.showPossibleCompletions(); - if (err != null) { - // don't wanna beep if there is no error - PlatformStatusLineUtil.displayErrorMessage(err); - } - PlatformStatusLineUtil.addOneTimeClearListener(); - } - else - beep(); - } - break; - case CONTENTASSIST_CONTEXT_INFORMATION : - if (fContentAssistant != null) { - String err = fContentAssistant.showContextInformation(); - if (err != null) { - // don't wanna beep if there is no error - PlatformStatusLineUtil.displayErrorMessage(err); - } - PlatformStatusLineUtil.addOneTimeClearListener(); - } - break; - case SHIFT_RIGHT : - beginRecording(TEXT_SHIFT_RIGHT, TEXT_SHIFT_RIGHT, cursorPosition, selectionLength); - updateIndentationPrefixes(); - super.doOperation(SHIFT_RIGHT); - selection = getTextWidget().getSelection(); - cursorPosition = selection.x; - selectionLength = selection.y - selection.x; - endRecording(cursorPosition, selectionLength); - break; - case SHIFT_LEFT : - beginRecording(TEXT_SHIFT_LEFT, TEXT_SHIFT_LEFT, cursorPosition, selectionLength); - updateIndentationPrefixes(); - super.doOperation(SHIFT_LEFT); - selection = getTextWidget().getSelection(); - cursorPosition = selection.x; - selectionLength = selection.y - selection.x; - endRecording(cursorPosition, selectionLength); - break; - case FORMAT_DOCUMENT : - DocumentRewriteSession rewriteSession = null; - IDocument document = getDocument(); - try { - /* - * This command will actually format selection if text is - * selected, otherwise format entire document - */ - // begin recording - beginRecording(FORMAT_DOCUMENT_TEXT, FORMAT_DOCUMENT_TEXT, cursorPosition, selectionLength); - boolean formatDocument = false; - IRegion region = null; - Point s = getSelectedRange(); - if (s.y > 0) { - // only format currently selected text - region = new Region(s.x, s.y); - } - else { - // no selection, so format entire document - region = getModelCoverage(); - formatDocument = true; - } - - if (document instanceof IDocumentExtension4) { - IDocumentExtension4 extension = (IDocumentExtension4) document; - DocumentRewriteSessionType type = (selection.y == 0 || selection.y > MAX_SMALL_FORMAT_LENGTH) ? DocumentRewriteSessionType.UNRESTRICTED : DocumentRewriteSessionType.UNRESTRICTED_SMALL; - rewriteSession = (extension.getActiveRewriteSession() != null) ? null : extension.startRewriteSession(type); - } - else { - setRedraw(false); - } - - if (fContentFormatter instanceof IContentFormatterExtension) { - IContentFormatterExtension extension = (IContentFormatterExtension) fContentFormatter; - IFormattingContext context = new FormattingContext(); - context.setProperty(FormattingContextProperties.CONTEXT_DOCUMENT, Boolean.valueOf(formatDocument)); - context.setProperty(FormattingContextProperties.CONTEXT_REGION, region); - extension.format(document, context); - } - else { - fContentFormatter.format(document, region); - } - } - finally { - try { - if (rewriteSession != null) { - IDocumentExtension4 extension = (IDocumentExtension4) document; - extension.stopRewriteSession(rewriteSession); - } - else { - setRedraw(true); - } - } - finally { - // end recording - selection = getTextWidget().getSelection(); - cursorPosition = selection.x; - selectionLength = selection.y - selection.x; - endRecording(cursorPosition, selectionLength); - } - } - break; - case FORMAT_ACTIVE_ELEMENTS : - rewriteSession = null; - document = getDocument(); - try { - /* - * This command will format the node at cursor position - * (and all its children) - */ - // begin recording - beginRecording(FORMAT_ACTIVE_ELEMENTS_TEXT, FORMAT_ACTIVE_ELEMENTS_TEXT, cursorPosition, selectionLength); - IRegion region = null; - Point s = getSelectedRange(); - if (s.y > -1) { - // only format node at cursor position - region = new Region(s.x, s.y); - } - - if (document instanceof IDocumentExtension4) { - IDocumentExtension4 extension = (IDocumentExtension4) document; - DocumentRewriteSessionType type = (selection.y == 0 || selection.y > MAX_SMALL_FORMAT_LENGTH) ? DocumentRewriteSessionType.UNRESTRICTED : DocumentRewriteSessionType.UNRESTRICTED_SMALL; - rewriteSession = (extension.getActiveRewriteSession() != null) ? null : extension.startRewriteSession(type); - } - else { - setRedraw(false); - } - - if (fContentFormatter instanceof IContentFormatterExtension) { - IContentFormatterExtension extension = (IContentFormatterExtension) fContentFormatter; - IFormattingContext context = new FormattingContext(); - context.setProperty(FormattingContextProperties.CONTEXT_DOCUMENT, Boolean.FALSE); - context.setProperty(FormattingContextProperties.CONTEXT_REGION, region); - extension.format(getDocument(), context); - } - else { - fContentFormatter.format(getDocument(), region); - } - } - finally { - try { - if (rewriteSession != null) { - IDocumentExtension4 extension = (IDocumentExtension4) document; - extension.stopRewriteSession(rewriteSession); - } - else { - setRedraw(true); - } - } - finally { - // end recording - selection = getTextWidget().getSelection(); - cursorPosition = selection.x; - selectionLength = selection.y - selection.x; - endRecording(cursorPosition, selectionLength); - } - } - break; - default : - super.doOperation(operation); - } - } - - private void endRecording(int cursorPosition, int selectionLength) { - IDocument doc = getDocument(); - if (doc instanceof IStructuredDocument) { - IStructuredDocument structuredDocument = (IStructuredDocument) doc; - IStructuredTextUndoManager undoManager = structuredDocument.getUndoManager(); - - // https://bugs.eclipse.org/bugs/show_bug.cgi?id=198617 - // undo after paste in document with folds - wrong behavior - IRegion widgetSelection = new Region(cursorPosition, selectionLength); - IRegion documentSelection = widgetRange2ModelRange(widgetSelection); - if (documentSelection == null) - documentSelection = widgetSelection; - undoManager.endRecording(this, documentSelection.getOffset(), documentSelection.getLength()); - } - else { - // TODO: how to handle other document types? - } - } - - private void beginRecording(String label, String description, int cursorPosition, int selectionLength) { - IDocument doc = getDocument(); - if (doc instanceof IStructuredDocument) { - IStructuredDocument structuredDocument = (IStructuredDocument) doc; - IStructuredTextUndoManager undoManager = structuredDocument.getUndoManager(); - - // https://bugs.eclipse.org/bugs/show_bug.cgi?id=198617 - // undo after paste in document with folds - wrong behavior - IRegion widgetSelection = new Region(cursorPosition, selectionLength); - IRegion documentSelection = widgetRange2ModelRange(widgetSelection); - if (documentSelection == null) - documentSelection = widgetSelection; - undoManager.beginRecording(this, label, description, documentSelection.getOffset(), documentSelection.getLength()); - } - else { - // TODO: how to handle other document types? - } - } - - public void endBackgroundUpdate() { - fBackgroundupdateInProgress = false; - setRedraw(true); - } - - protected void handleDispose() { - Logger.trace("Source Editor", "StructuredTextViewer::handleDispose entry"); //$NON-NLS-1$ //$NON-NLS-2$ - - // before we dispose, we set a special "empty" selection, to prevent - // the "leak one document" that - // otherwise occurs when editor closed (since last selection stays in - // SelectedResourceManager. - // the occurance of the "leak" isn't so bad, but makes debugging other - // leaks very hard. - setSelection(TextSelection.emptySelection()); - - if (fHighlighter != null) { - fHighlighter.uninstall(); - fHighlighter = null; - } - super.handleDispose(); - - Logger.trace("Source Editor", "StructuredTextViewer::handleDispose exit"); //$NON-NLS-1$ //$NON-NLS-2$ - } - - /* - * Overridden for special support of background update and read-only - * regions - */ - protected void handleVerifyEvent(VerifyEvent e) { - IRegion modelRange = event2ModelRange(e); - if (exposeModelRange(modelRange)) { - e.doit = false; - return; - } - - if (fEventConsumer != null) { - fEventConsumer.processEvent(e); - if (!e.doit) - return; - } - if (fBackgroundupdateInProgress) { - e.doit = false; - beep(); - return; - } - // for read-only support - if (containsReadOnly(getVisibleDocument(), e.start, e.end)) { - e.doit = false; - beep(); - return; - } - - try { - super.handleVerifyEvent(e); - } - catch (Exception x) { - // note, we catch and log any exception, - // since an otherwise can actually prevent typing! - // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=111318 - - if (TRACE_EXCEPTIONS) - Logger.logException("StructuredTextViewer.exception.verifyText", x); //$NON-NLS-1$ - - } - } - - public int modelLine2WidgetLine(int modelLine) { - /** - * need to override this method as a workaround for Bug 85709 - */ - if (fInformationMapping == null) { - IDocument document = getDocument(); - if (document != null) { - try { - IRegion modelLineRegion = getDocument().getLineInformation(modelLine); - IRegion region = getModelCoverage(); - if (modelLineRegion != null && region != null) { - int modelEnd = modelLineRegion.getOffset() + modelLineRegion.getLength(); - int regionEnd = region.getOffset() + region.getLength(); - // returns -1 if modelLine is invalid - if ((modelLineRegion.getOffset() < region.getOffset()) || (modelEnd > regionEnd)) - return -1; - } - } - catch (BadLocationException e) { - // returns -1 if modelLine is invalid - return -1; - } - } - } - return super.modelLine2WidgetLine(modelLine); - } - - public int modelOffset2WidgetOffset(int modelOffset) { - /** - * need to override this method as a workaround for Bug 85709 - */ - if (fInformationMapping == null) { - IRegion region = getModelCoverage(); - if (region != null) { - // returns -1 if modelOffset is invalid - if (modelOffset < region.getOffset() || modelOffset > (region.getOffset() + region.getLength())) - return -1; - } - } - return super.modelOffset2WidgetOffset(modelOffset); - } - - public IRegion modelRange2WidgetRange(IRegion modelRange) { - // need to override this method as workaround for Bug85709 - if (fInformationMapping == null) { - IRegion region = getModelCoverage(); - if (region != null && modelRange != null) { - int modelEnd = modelRange.getOffset() + modelRange.getLength(); - int regionEnd = region.getOffset() + region.getLength(); - // returns null if modelRange is invalid - if ((modelRange.getOffset() < region.getOffset()) || (modelEnd > regionEnd)) - return null; - } - } - return super.modelRange2WidgetRange(modelRange); - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.jface.text.source.ISourceViewer#setDocument(org.eclipse.jface.text.IDocument, - * org.eclipse.jface.text.source.IAnnotationModel, int, int) - */ - public void setDocument(IDocument document, IAnnotationModel annotationModel, int modelRangeOffset, int modelRangeLength) { - // partial fix for: - // https://w3.opensource.ibm.com/bugzilla/show_bug.cgi?id=1970 - // when our document is set, especially to null during close, - // immediately uninstall the reconciler. - // this is to avoid an unnecessary final "reconcile" - // that blocks display thread - if (document == null) { - if (fReconciler != null) { - fReconciler.uninstall(); - } - } - - super.setDocument(document, annotationModel, modelRangeOffset, modelRangeLength); - - if (document instanceof IStructuredDocument) { - IStructuredDocument structuredDocument = (IStructuredDocument) document; - - // notify highlighter - updateHighlighter(structuredDocument); - - // set the formatter again now that document has been set - if (!fFormatterSet && fConfiguration != null) { - fContentFormatter = fConfiguration.getContentFormatter(this); - fFormatterSet = true; - } - - // set document in the viewer-based undo manager - if (fUndoManager != null) { - fUndoManager.disconnect(); - fUndoManager.connect(this); - } - // CaretEvent is not sent to ViewerSelectionManager after Save As. - // Need to notify ViewerSelectionManager here. - // notifyViewerSelectionManager(getSelectedRange().x, - // getSelectedRange().y); - } - } - - /** - * Use the active editor to set a status line message - * - * @param msg - */ - private void setErrorMessage(String msg) { - IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow(); - if (window != null) { - IWorkbenchPage page = window.getActivePage(); - if (page != null) { - IEditorPart editor = page.getActiveEditor(); - if (editor != null) { - IEditorStatusLine statusLine = (IEditorStatusLine) editor.getAdapter(IEditorStatusLine.class); - if (statusLine != null) - statusLine.setMessage(true, msg, null); - } - } - } - } - - /** - * Uninstalls anything that was installed by configure - */ - public void unconfigure() { - Logger.trace("Source Editor", "StructuredTextViewer::unconfigure entry"); //$NON-NLS-1$ //$NON-NLS-2$ - if (fHighlighter != null) { - fHighlighter.uninstall(); - fHighlighter = null; - } - - if (fAnnotationHover instanceof StructuredTextAnnotationHover) { - ((StructuredTextAnnotationHover) fAnnotationHover).release(); - } - - if (fOverviewRulerAnnotationHover instanceof StructuredTextAnnotationHover) { - ((StructuredTextAnnotationHover) fOverviewRulerAnnotationHover).release(); - } - - // doesn't seem to be handled elsewhere, so we'll be sure error - // messages's are cleared. - setErrorMessage(null); - - super.unconfigure(); - fConfiguration = null; - Logger.trace("Source Editor", "StructuredTextViewer::unconfigure exit"); //$NON-NLS-1$ //$NON-NLS-2$ - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.wst.sse.core.undo.IDocumentSelectionMediator#undoOperationSelectionChanged(org.eclipse.wst.sse.core.undo.UndoDocumentEvent) - */ - public void undoOperationSelectionChanged(UndoDocumentEvent event) { - if (event.getRequester() != null && event.getRequester().equals(this) && event.getDocument().equals(getDocument())) { - // BUG107687: Undo/redo do not scroll editor - ITextSelection selection = new TextSelection(event.getOffset(), event.getLength()); - setSelection(selection, true); - } - } - - private void updateHighlighter(IStructuredDocument document) { - boolean documentSet = false; - - // if highlighter has not been created yet, initialize and install it - if (fHighlighter == null && fConfiguration instanceof StructuredTextViewerConfiguration) { - String[] types = fConfiguration.getConfiguredContentTypes(this); - for (int i = 0; i < types.length; i++) { - String t = types[i]; - - // add highlighter/linestyleprovider - LineStyleProvider[] providers = ((StructuredTextViewerConfiguration) fConfiguration).getLineStyleProviders(this, t); - if (providers != null) { - for (int j = 0; j < providers.length; ++j) { - // delay creation of highlighter till - // linestyleprovider needs to be added - // do not create highlighter if no valid document - if (fHighlighter == null) - fHighlighter = new Highlighter(); - fHighlighter.addProvider(t, providers[j]); - } - } - } - - // initialize highlighter after linestyleproviders were added - if (fHighlighter != null) { - fHighlighter.setDocumentPartitioning(fConfiguration.getConfiguredDocumentPartitioning(this)); - // https://bugs.eclipse.org/bugs/show_bug.cgi?id=203347 - // make sure to set document before install - fHighlighter.setDocument(document); - fHighlighter.install(this); - documentSet = true; - } - } - if (fHighlighter != null && !documentSet) - fHighlighter.setDocument(document); - } - - /** - * Make sure indentation is correct before using. - */ - private void updateIndentationPrefixes() { - SourceViewerConfiguration configuration = fConfiguration; - if (fConfiguration != null) { - String[] types = configuration.getConfiguredContentTypes(this); - for (int i = 0; i < types.length; i++) { - String[] prefixes = configuration.getIndentPrefixes(this, types[i]); - if (prefixes != null && prefixes.length > 0) - setIndentPrefixes(prefixes, types[i]); - } - } - } -} |