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

Example 11 with ITextSelection

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

the class ExtractVariableHandler method execute.

@Override
public Object execute(ExecutionEvent event) throws ExecutionException {
    try {
        syncUtil.totalSync(false);
        final XtextEditor editor = EditorUtils.getActiveXtextEditor(event);
        if (editor != null) {
            final ITextSelection selection = (ITextSelection) editor.getSelectionProvider().getSelection();
            final IXtextDocument document = editor.getDocument();
            XtextResource resource = document.priorityReadOnly(new IUnitOfWork<XtextResource, XtextResource>() {

                @Override
                public XtextResource exec(XtextResource state) throws Exception {
                    return resourceCopier.loadIntoNewResourceSet(state);
                }
            });
            XExpression expression = expressionUtil.findSelectedExpression(resource, selection);
            if (expression != null) {
                ExtractVariableRefactoring introduceVariableRefactoring = refactoringProvider.get();
                if (introduceVariableRefactoring.initialize(editor, expression)) {
                    ITextRegion region = locationInFileProvider.getFullTextRegion(expression);
                    editor.selectAndReveal(region.getOffset(), region.getLength());
                    ExtractVariableWizard wizard = new ExtractVariableWizard(introduceVariableRefactoring);
                    RefactoringWizardOpenOperation_NonForking openOperation = new RefactoringWizardOpenOperation_NonForking(wizard);
                    openOperation.run(editor.getSite().getShell(), "Extract Local Variable");
                }
            }
        }
    } catch (InterruptedException e) {
        return null;
    } catch (Exception exc) {
        LOG.error("Error during refactoring", exc);
        MessageDialog.openError(Display.getCurrent().getActiveShell(), "Error during refactoring", exc.getMessage() + "\nSee log for details");
    }
    return null;
}

Example 12 with ITextSelection

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

the class JavaElementDelegate method getJavaElementForXtextEditor.

protected IJavaElement getJavaElementForXtextEditor(IEditorPart editor) {
    if (!(editor instanceof XtextEditor))
        return null;
    IJavaProject jp = null;
    if (editor.getEditorInput() instanceof IFileEditorInput) {
        IFile file = ((IFileEditorInput) editor.getEditorInput()).getFile();
        if (!fileExtensionProvider.isValid(file.getFileExtension())) {
            return null;
        }
        jp = JavaCore.create(file.getProject());
        if (jp == null || !jp.exists() || !jp.isOpen())
            return null;
    } else {
        return null;
    }
    XtextEditor xtextEditor = (XtextEditor) editor;
    ISelection selection = xtextEditor.getSelectionProvider().getSelection();
    if (!(selection instanceof ITextSelection))
        return null;
    final int offset = ((ITextSelection) selection).getOffset();
    IJavaElement func = xtextEditor.getDocument().readOnly(new IUnitOfWork<IJavaElement, XtextResource>() {

        @Override
        public IJavaElement exec(XtextResource state) throws Exception {
            return findJavaElement(state, offset);
        }
    });
    return func;
}

Example 13 with ITextSelection

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

the class AbstractCursorHandlingTest method assertState.

protected void assertState(String string, XtextEditor editor) {
    int cursor = string.indexOf('|');
    assertEquals(string.replace("|", ""), editor.getDocument().get());
    ITextSelection selection = (ITextSelection) editor.getSelectionProvider().getSelection();
    assertEquals("unexpected cursor position:", cursor, selection.getOffset());
}

Example 14 with ITextSelection

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

the class AbstractAutoEditTest method selectText.

protected void selectText(XtextEditor editor, int relativeToCurrentOffset, int length) throws Exception {
    ITextSelection selection = (ITextSelection) editor.getSelectionProvider().getSelection();
    editor.getInternalSourceViewer().setSelectedRange(selection.getOffset() + relativeToCurrentOffset, length);
}

Example 15 with ITextSelection

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

the class TextViewerDeleteLineAction method run.

/*
	 * @see IAction#run()
	 */
@Override
public void run() {
    if (fTarget == null)
        return;
    ITextViewer viewer = getTextViewer();
    if (viewer == null)
        return;
    if (!canModifyViewer())
        return;
    IDocument document = viewer.getDocument();
    if (document == null)
        return;
    ITextSelection selection = getSelection(viewer);
    if (selection == null)
        return;
    try {
        fTarget.deleteLine(document, selection, fType, fCopyToClipboard);
    } catch (BadLocationException e) {
    // should not happen
    }
}