Examples with ITextViewerExtension org.eclipse.jface.text.ITextViewerExtension used on opensource projects

Example 6 with ITextViewerExtension

use of org.eclipse.jface.text.ITextViewerExtension in project eclipse.platform.text by eclipse.

the class MarkRegionTarget method swapMarkAndCursor.

@Override
public void swapMarkAndCursor() {
    if (!(fViewer instanceof ITextViewerExtension))
        return;
    ITextViewerExtension viewerExtension = ((ITextViewerExtension) fViewer);
    int markPosition = viewerExtension.getMark();
    if (markPosition == -1) {
        fStatusLine.setErrorMessage(EditorMessages.MarkRegionTarget_markNotSet);
        // $NON-NLS-1$
        fStatusLine.setMessage("");
        return;
    }
    if (!isVisible(fViewer, markPosition)) {
        fStatusLine.setErrorMessage(EditorMessages.MarkRegionTarget_markNotVisible);
        // $NON-NLS-1$
        fStatusLine.setMessage("");
        return;
    }
    Point selection = fViewer.getSelectedRange();
    viewerExtension.setMark(selection.x);
    fViewer.setSelectedRange(markPosition, 0);
    fViewer.revealRange(markPosition, 0);
    // $NON-NLS-1$
    fStatusLine.setErrorMessage("");
    fStatusLine.setMessage(EditorMessages.Editor_mark_status_message_mark_swapped);
}

Example 7 with ITextViewerExtension

use of org.eclipse.jface.text.ITextViewerExtension in project eclipse.platform.text by eclipse.

the class CompletionProposalPopup method insertProposal.

/**
 * Applies the given proposal at the given offset. The given character is the
 * one that triggered the insertion of this proposal.
 *
 * @param p the completion proposal
 * @param trigger the trigger character
 * @param stateMask the state mask
 * @param offset the offset
 * @since 2.1
 */
void insertProposal(ICompletionProposal p, char trigger, int stateMask, final int offset) {
    fInserting = true;
    IRewriteTarget target = null;
    IEditingSupport helper = new IEditingSupport() {

        @Override
        public boolean isOriginator(DocumentEvent event, IRegion focus) {
            return focus.getOffset() <= offset && focus.getOffset() + focus.getLength() >= offset;
        }

        @Override
        public boolean ownsFocusShell() {
            return false;
        }
    };
    try {
        IDocument document = fContentAssistSubjectControlAdapter.getDocument();
        if (fViewer instanceof ITextViewerExtension) {
            ITextViewerExtension extension = (ITextViewerExtension) fViewer;
            target = extension.getRewriteTarget();
        }
        if (target != null)
            target.beginCompoundChange();
        if (fViewer instanceof IEditingSupportRegistry) {
            IEditingSupportRegistry registry = (IEditingSupportRegistry) fViewer;
            registry.register(helper);
        }
        if (p instanceof ICompletionProposalExtension2 && fViewer != null) {
            ICompletionProposalExtension2 e = (ICompletionProposalExtension2) p;
            e.apply(fViewer, trigger, stateMask, offset);
        } else if (p instanceof ICompletionProposalExtension) {
            ICompletionProposalExtension e = (ICompletionProposalExtension) p;
            e.apply(document, trigger, offset);
        } else {
            p.apply(document);
        }
        fireAppliedEvent(p);
        Point selection = p.getSelection(document);
        if (selection != null) {
            fContentAssistSubjectControlAdapter.setSelectedRange(selection.x, selection.y);
            fContentAssistSubjectControlAdapter.revealRange(selection.x, selection.y);
        }
        IContextInformation info = p.getContextInformation();
        if (info != null) {
            int contextInformationOffset;
            if (p instanceof ICompletionProposalExtension) {
                ICompletionProposalExtension e = (ICompletionProposalExtension) p;
                contextInformationOffset = e.getContextInformationPosition();
            } else {
                if (selection == null)
                    selection = fContentAssistSubjectControlAdapter.getSelectedRange();
                contextInformationOffset = selection.x + selection.y;
            }
            fContentAssistant.showContextInformation(info, contextInformationOffset);
        } else
            fContentAssistant.showContextInformation(null, -1);
    } finally {
        if (target != null)
            target.endCompoundChange();
        if (fViewer instanceof IEditingSupportRegistry) {
            IEditingSupportRegistry registry = (IEditingSupportRegistry) fViewer;
            registry.unregister(helper);
        }
        fInserting = false;
    }
}

Example 8 with ITextViewerExtension

use of org.eclipse.jface.text.ITextViewerExtension in project eclipse.platform.text by eclipse.

the class ContentAssistant2 method manageAutoActivation.

/**
 * Installs and uninstall the listeners needed for auto activation.
 *
 * @param start <code>true</code> if listeners must be installed, <code>false</code> if they
 *            must be removed
 * @since 2.0
 */
private void manageAutoActivation(boolean start) {
    if (start) {
        if (fViewer != null && fAutoAssistListener == null) {
            fAutoAssistListener = new AutoAssistListener();
            if (fViewer instanceof ITextViewerExtension) {
                ITextViewerExtension extension = (ITextViewerExtension) fViewer;
                extension.appendVerifyKeyListener(fAutoAssistListener);
            } else {
                StyledText textWidget = fViewer.getTextWidget();
                if (Helper2.okToUse(textWidget))
                    textWidget.addVerifyKeyListener(fAutoAssistListener);
            }
        }
    } else if (fAutoAssistListener != null) {
        if (fViewer instanceof ITextViewerExtension) {
            ITextViewerExtension extension = (ITextViewerExtension) fViewer;
            extension.removeVerifyKeyListener(fAutoAssistListener);
        } else {
            StyledText textWidget = fViewer.getTextWidget();
            if (Helper2.okToUse(textWidget))
                textWidget.removeVerifyKeyListener(fAutoAssistListener);
        }
        fAutoAssistListener = null;
    }
}

Example 9 with ITextViewerExtension

use of org.eclipse.jface.text.ITextViewerExtension in project eclipse.platform.text by eclipse.

the class CompositeRuler method layoutTextViewer.

/**
 * Layouts the text viewer. This also causes this ruler to get
 * be layouted.
 */
private void layoutTextViewer() {
    Control parent = fTextViewer.getTextWidget();
    if (fTextViewer instanceof ITextViewerExtension) {
        ITextViewerExtension extension = (ITextViewerExtension) fTextViewer;
        parent = extension.getControl();
    }
    if (parent instanceof Composite && !parent.isDisposed())
        ((Composite) parent).layout(true);
}

Example 10 with ITextViewerExtension

use of org.eclipse.jface.text.ITextViewerExtension in project eclipse.platform.text by eclipse.

the class LinkedModeUI method beginCompoundChangeIfNeeded.

private void beginCompoundChangeIfNeeded() {
    if (!fHasOpenCompoundChange) {
        ITextViewerExtension extension = (ITextViewerExtension) fCurrentTarget.getViewer();
        IRewriteTarget target = extension.getRewriteTarget();
        target.beginCompoundChange();
        fHasOpenCompoundChange = true;
    }
}