Examples with ISourceViewerExtension4 org.eclipse.jface.text.source.ISourceViewerExtension4 used on opensource projects

Example 1 with ISourceViewerExtension4

use of org.eclipse.jface.text.source.ISourceViewerExtension4 in project xtext-eclipse by eclipse.

the class XtextReconciler method uninstall.

@Override
public void uninstall() {
    if (isInstalled) {
        textViewer.removeTextInputListener(textInputListener);
        isInstalled = false;
        if (documentListener != null) {
            if (textViewer instanceof ISourceViewerExtension4) {
                ContentAssistantFacade facade = ((ISourceViewerExtension4) textViewer).getContentAssistantFacade();
                facade.removeCompletionListener(documentListener);
            }
            if (textViewer.getDocument() instanceof IXtextDocument) {
                ((IXtextDocument) textViewer.getDocument()).removeXtextDocumentContentObserver(documentListener);
            }
        }
        cancel();
    }
}

Example 2 with ISourceViewerExtension4

use of org.eclipse.jface.text.source.ISourceViewerExtension4 in project xtext-eclipse by eclipse.

the class XtextReconciler method handleInputDocumentChanged.

protected void handleInputDocumentChanged(IDocument oldInput, IDocument newInput) {
    if (Display.getCurrent() == null) {
        log.error("Changes to the document must only be applied from the Display thread to keep them ordered", new Exception());
    }
    if (shouldInstallCompletionListener) {
        ContentAssistantFacade facade = ((ISourceViewerExtension4) textViewer).getContentAssistantFacade();
        if (facade != null) {
            facade.addCompletionListener(documentListener);
        }
        shouldInstallCompletionListener = false;
    }
    if (oldInput != newInput) {
        if (oldInput instanceof IXtextDocument) {
            ((IXtextDocument) oldInput).removeXtextDocumentContentObserver(documentListener);
        }
        if (newInput instanceof IXtextDocument) {
            ((IXtextDocument) newInput).addXtextDocumentContentObserver(documentListener);
            final IXtextDocument document = XtextDocumentUtil.get(textViewer);
            strategy.setDocument(document);
            if (!initalProcessDone && strategy instanceof IReconcilingStrategyExtension) {
                initalProcessDone = true;
                IReconcilingStrategyExtension reconcilingStrategyExtension = (IReconcilingStrategyExtension) strategy;
                reconcilingStrategyExtension.initialReconcile();
            }
        }
    }
    if (oldInput != null && newInput != null) {
        handleDocumentChanged(new InputChangedDocumentEvent(oldInput, newInput));
    }
}

Example 3 with ISourceViewerExtension4

use of org.eclipse.jface.text.source.ISourceViewerExtension4 in project eclipse.platform.text by eclipse.

the class AbstractTextEditor method createPartControl.

/**
 * The <code>AbstractTextEditor</code> implementation of this
 * <code>IWorkbenchPart</code> method creates the vertical ruler and
 * source viewer.
 * <p>
 * Subclasses may extend this method. Besides extending this method, the
 * behavior of <code>createPartControl</code> may be customized by
 * calling, extending or replacing the following methods: <br>
 * Subclasses may supply customized implementations for some members using
 * the following methods before <code>createPartControl</code> is invoked:
 * <ul>
 * <li>
 * {@linkplain #setSourceViewerConfiguration(SourceViewerConfiguration) setSourceViewerConfiguration}
 * to supply a custom source viewer configuration,</li>
 * <li>{@linkplain #setRangeIndicator(Annotation) setRangeIndicator} to
 * provide a range indicator,</li>
 * <li>{@linkplain #setHelpContextId(String) setHelpContextId} to provide a
 * help context id,</li>
 * <li>{@linkplain #setEditorContextMenuId(String) setEditorContextMenuId}
 * to set a custom context menu id,</li>
 * <li>{@linkplain #setRulerContextMenuId(String) setRulerContextMenuId} to
 * set a custom ruler context menu id.</li>
 * </ul>
 * <br>
 * Subclasses may replace the following methods called from within
 * <code>createPartControl</code>:
 * <ul>
 * <li>{@linkplain #createVerticalRuler() createVerticalRuler} to supply a
 * custom vertical ruler,</li>
 * <li>{@linkplain #createSourceViewer(Composite, IVerticalRuler, int) createSourceViewer}
 * to supply a custom source viewer,</li>
 * <li>{@linkplain #getSelectionProvider() getSelectionProvider} to supply
 * a custom selection provider.</li>
 * </ul>
 * <br>
 * Subclasses may extend the following methods called from within
 * <code>createPartControl</code>:
 * <ul>
 * <li>
 * {@linkplain #initializeViewerColors(ISourceViewer) initializeViewerColors}
 * to customize the viewer color scheme (may also be replaced),</li>
 * <li>
 * {@linkplain #initializeDragAndDrop(ISourceViewer) initializeDragAndDrop}
 * to customize drag and drop (may also be replaced),</li>
 * <li>{@linkplain #createNavigationActions() createNavigationActions} to
 * add navigation actions,</li>
 * <li>{@linkplain #createActions() createActions} to add text editor
 * actions.</li>
 * </ul>
 * </p>
 *
 * @param parent the parent composite
 */
@Override
public void createPartControl(Composite parent) {
    fVerticalRuler = createVerticalRuler();
    int styles = SWT.V_SCROLL | SWT.H_SCROLL | SWT.MULTI | SWT.BORDER | SWT.FULL_SELECTION;
    fSourceViewer = createSourceViewer(parent, fVerticalRuler, styles);
    if (fConfiguration == null)
        fConfiguration = new SourceViewerConfiguration();
    fSourceViewer.configure(fConfiguration);
    if (fSourceViewer instanceof ISourceViewerExtension4)
        fKeyBindingSupportForContentAssistant = new KeyBindingSupportForAssistant(((ISourceViewerExtension4) fSourceViewer));
    if (fSourceViewer instanceof ISourceViewerExtension3) {
        IQuickAssistAssistant assistant = ((ISourceViewerExtension3) fSourceViewer).getQuickAssistAssistant();
        if (assistant != null)
            fKeyBindingSupportForQuickAssistant = new KeyBindingSupportForAssistant(assistant);
    }
    if (fRangeIndicator != null)
        fSourceViewer.setRangeIndicator(fRangeIndicator);
    fSourceViewer.addTextListener(fTextListener);
    fSourceViewer.addTextInputListener(fTextListener);
    getSelectionProvider().addSelectionChangedListener(getSelectionChangedListener());
    initializeViewerFont(fSourceViewer);
    initializeViewerColors(fSourceViewer);
    initializeFindScopeColor(fSourceViewer);
    initializeDragAndDrop(fSourceViewer);
    StyledText styledText = fSourceViewer.getTextWidget();
    styledText.addMouseListener(getCursorListener());
    styledText.addKeyListener(getCursorListener());
    // Disable orientation switching until we fully support it.
    styledText.addListener(SWT.OrientationChange, new Listener() {

        @Override
        public void handleEvent(Event event) {
            event.doit = false;
        }
    });
    if (getHelpContextId() != null)
        PlatformUI.getWorkbench().getHelpSystem().setHelp(styledText, getHelpContextId());
    String id = fEditorContextMenuId != null ? fEditorContextMenuId : DEFAULT_EDITOR_CONTEXT_MENU_ID;
    MenuManager manager = new MenuManager(id, id);
    manager.setRemoveAllWhenShown(true);
    manager.addMenuListener(getContextMenuListener());
    fTextContextMenu = manager.createContextMenu(styledText);
    styledText.setMenu(fTextContextMenu);
    if (fEditorContextMenuId != null)
        getEditorSite().registerContextMenu(fEditorContextMenuId, manager, getSelectionProvider(), isEditorInputIncludedInContextMenu());
    else if (fCompatibilityMode)
        getEditorSite().registerContextMenu(DEFAULT_EDITOR_CONTEXT_MENU_ID, manager, getSelectionProvider(), isEditorInputIncludedInContextMenu());
    if ((fEditorContextMenuId != null && fCompatibilityMode) || fEditorContextMenuId == null) {
        String partId = getEditorSite().getId();
        if (partId != null)
            // $NON-NLS-1$
            getEditorSite().registerContextMenu(partId + ".EditorContext", manager, getSelectionProvider(), isEditorInputIncludedInContextMenu());
    }
    getEditorSite().registerContextMenu(COMMON_EDITOR_CONTEXT_MENU_ID, manager, getSelectionProvider(), false);
    if (fEditorContextMenuId == null)
        fEditorContextMenuId = DEFAULT_EDITOR_CONTEXT_MENU_ID;
    id = fRulerContextMenuId != null ? fRulerContextMenuId : DEFAULT_RULER_CONTEXT_MENU_ID;
    manager = new MenuManager(id, id);
    manager.setRemoveAllWhenShown(true);
    manager.addMenuListener(getContextMenuListener());
    Control rulerControl = fVerticalRuler.getControl();
    fRulerContextMenu = manager.createContextMenu(rulerControl);
    rulerControl.setMenu(fRulerContextMenu);
    rulerControl.addMouseListener(getRulerMouseListener());
    if (fRulerContextMenuId != null)
        getEditorSite().registerContextMenu(fRulerContextMenuId, manager, getSelectionProvider(), false);
    else if (fCompatibilityMode)
        getEditorSite().registerContextMenu(DEFAULT_RULER_CONTEXT_MENU_ID, manager, getSelectionProvider(), false);
    if ((fRulerContextMenuId != null && fCompatibilityMode) || fRulerContextMenuId == null) {
        String partId = getSite().getId();
        if (partId != null)
            // $NON-NLS-1$
            getEditorSite().registerContextMenu(partId + ".RulerContext", manager, getSelectionProvider(), false);
    }
    getEditorSite().registerContextMenu(COMMON_RULER_CONTEXT_MENU_ID, manager, getSelectionProvider(), false);
    if (fRulerContextMenuId == null)
        fRulerContextMenuId = DEFAULT_RULER_CONTEXT_MENU_ID;
    initializeZoomGestures(rulerControl, fSourceViewer);
    getSite().setSelectionProvider(getSelectionProvider());
    fSelectionListener = new SelectionListener();
    fSelectionListener.install(getSelectionProvider());
    fSelectionListener.setDocument(getDocumentProvider().getDocument(getEditorInput()));
    initializeActivationCodeTrigger();
    createNavigationActions();
    createAccessibilityActions();
    createActions();
    initializeSourceViewer(getEditorInput());
    /* since 3.2 - undo redo actions should be created after
		 * the source viewer is initialized, so that the undo manager
		 * can obtain its undo context from its document.
		 */
    createUndoRedoActions();
    JFaceResources.getFontRegistry().addListener(fFontPropertyChangeListener);
    IVerticalRuler ruler = getVerticalRuler();
    if (ruler instanceof CompositeRuler)
        updateContributedRulerColumns((CompositeRuler) ruler);
    if (isWordWrapSupported()) {
        setWordWrap(getInitialWordWrapStatus());
    }
}

Example 4 with ISourceViewerExtension4

use of org.eclipse.jface.text.source.ISourceViewerExtension4 in project xtext-eclipse by eclipse.

the class XtextReconciler method install.

@Override
public void install(ITextViewer textViewer) {
    if (!isInstalled) {
        this.textViewer = textViewer;
        textInputListener = new TextInputListener();
        textViewer.addTextInputListener(textInputListener);
        handleInputDocumentChanged(null, textViewer.getDocument());
        if (textViewer instanceof ISourceViewerExtension4) {
            ContentAssistantFacade facade = ((ISourceViewerExtension4) textViewer).getContentAssistantFacade();
            if (facade == null) {
                shouldInstallCompletionListener = true;
            } else {
                facade.addCompletionListener(documentListener);
            }
            if (strategy instanceof ISourceViewerAware) {
                ((ISourceViewerAware) strategy).setSourceViewer((ISourceViewer) textViewer);
            }
        }
        isInstalled = true;
    }
}