Examples with TextSelection org.eclipse.che.jface.text.TextSelection used on opensource projects

Example 1 with TextSelection

use of org.eclipse.che.jface.text.TextSelection in project che by eclipse.

the class SmartSemicolonAutoEditStrategy method customizeDocumentCommand.

/*
	 * @see org.eclipse.jface.text.IAutoEditStrategy#customizeDocumentCommand(org.eclipse.jface.text.IDocument, org.eclipse.jface.text.DocumentCommand)
	 */
public void customizeDocumentCommand(IDocument document, DocumentCommand command) {
    if (command.text == null)
        return;
    if (command.text.equals(SEMICOLON))
        fCharacter = SEMICHAR;
    else if (command.text.equals(BRACE))
        fCharacter = BRACECHAR;
    else
        return;
    //		IPreferenceStore store= JavaPlugin.getDefault().getPreferenceStore();
    //		if (fCharacter == SEMICHAR && !store.getBoolean(PreferenceConstants.EDITOR_SMART_SEMICOLON))
    //			return;
    //		if (fCharacter == BRACECHAR && !store.getBoolean(PreferenceConstants.EDITOR_SMART_OPENING_BRACE))
    //			return;
    //
    //		IWorkbenchPage page= JavaPlugin.getActivePage();
    //		if (page == null)
    //			return;
    //		IEditorPart part= page.getActiveEditor();
    //		if (!(part instanceof CompilationUnitEditor))
    //			return;
    //		CompilationUnitEditor editor= (CompilationUnitEditor)part;
    //		if (editor.getInsertMode() != ITextEditorExtension3.SMART_INSERT || !editor.isEditable())
    //			return;
    //		ITextEditorExtension2 extension= (ITextEditorExtension2)editor.getAdapter(ITextEditorExtension2.class);
    //		if (extension != null && !extension.validateEditorInputState())
    //			return;
    //		if (isMultilineSelection(document, command))
    //			return;
    // 1: find concerned line / position in java code, location in statement
    int pos = command.offset;
    ITextSelection line;
    try {
        IRegion l = document.getLineInformationOfOffset(pos);
        line = new TextSelection(document, l.getOffset(), l.getLength());
    } catch (BadLocationException e) {
        return;
    }
    // 2: choose action based on findings (is for-Statement?)
    // for now: compute the best position to insert the new character
    int positionInLine = computeCharacterPosition(document, line, pos - line.getOffset(), fCharacter, fPartitioning);
    int position = positionInLine + line.getOffset();
    // never position before the current position!
    if (position < pos)
        return;
    // never double already existing content
    if (alreadyPresent(document, fCharacter, position))
        return;
    // don't do special processing if what we do is actually the normal behaviour
    String insertion = adjustSpacing(document, position, fCharacter);
    if (command.offset == position && insertion.equals(command.text))
        return;
    try {
        //			final SmartBackspaceManager manager= (SmartBackspaceManager) editor.getAdapter(SmartBackspaceManager.class);
        //			if (manager != null && JavaPlugin.getDefault().getPreferenceStore().getBoolean(PreferenceConstants.EDITOR_SMART_BACKSPACE)) {
        //				TextEdit e1= new ReplaceEdit(command.offset, command.text.length(), document.get(command.offset, command.length));
        //				UndoSpec s1= new UndoSpec(command.offset + command.text.length(),
        //						new Region(command.offset, 0),
        //						new TextEdit[] {e1},
        //						0,
        //						null);
        //
        //				DeleteEdit smart= new DeleteEdit(position, insertion.length());
        //				ReplaceEdit raw= new ReplaceEdit(command.offset, command.length, command.text);
        //				UndoSpec s2= new UndoSpec(position + insertion.length(),
        //						new Region(command.offset + command.text.length(), 0),
        //						new TextEdit[] {smart, raw},
        //						2,
        //						s1);
        //				manager.register(s2);
        //			}
        // 3: modify command
        command.offset = position;
        command.length = 0;
        command.caretOffset = position;
        command.text = insertion;
        command.doit = true;
        command.owner = null;
    } catch (MalformedTreeException e) {
        JavaPlugin.log(e);
    }
}