Java SWT.CR属性代码示例

/**
 * {@inheritDoc}
 *
 * If the entered character is not a valid identifier part, it is processed after linked editing has been quit.
 * Exceptions are the {@link #exitCharacters} that have been passed into the constructor.
 */
@Override
public ExitFlags doExit(LinkedModeModel environment, VerifyEvent event, int offset, int length) {
	if (event.character == '\0')
		return null;
	for (char c : exitCharacters) {
		if (event.character == c) {
			return new ExitFlags(ILinkedModeListener.UPDATE_CARET, false);
		}
	}
	switch (event.character) {
	case SWT.CR:
		return new ExitFlags(ILinkedModeListener.UPDATE_CARET, false);
	default: {
		if (!Character.isJavaIdentifierPart(event.character)) {
			return new ExitFlags(ILinkedModeListener.UPDATE_CARET, true);
		}
		return null;
	}
	}
}
 

public KeyAccelerator makeXPathKeyAccelerator(final boolean overwrite) {
	return new KeyAccelerator() {
		public boolean doAction(TwsDomTree tree, KeyEvent e) {
			boolean doNext = true;
			if (e.keyCode == SWT.CR || e.keyCode == SWT.KEYPAD_CR) {
				if (tree.getSelection().length > 0) {
					Node node = (Node)tree.getSelection()[0].getData();
					if ((e.stateMask & SWT.SHIFT) == 0) {//without SHIFT > relative
						if (canGenerateSelectionXpath(overwrite, node)) {
							generateSelectionXpath(overwrite, tree);
							doNext = false;
						}
					} else {//with SHIFT > absolute
						generateAbsoluteXpath(overwrite, node);
						doNext = false;
					}
				}
			}
			return doNext;
		}
	};
}
 

@Override
public ExitFlags doExit(LinkedModeModel environment, VerifyEvent event, int offset, int length) {

	if (event.character == fExitCharacter) {
		if (environment.anyPositionContains(offset))
			return new ExitFlags(ILinkedModeListener.UPDATE_CARET, false);
		else
			return new ExitFlags(ILinkedModeListener.UPDATE_CARET, true);
	}

	switch (event.character) {
	case ';':
		return new ExitFlags(ILinkedModeListener.NONE, true);
	case SWT.CR:
		// when entering an anonymous class as a parameter, we don't
		// want
		// to jump after the parenthesis when return is pressed
		if (offset > 0) {
			try {
				if (fDocument.getChar(offset - 1) == '{')
					return new ExitFlags(ILinkedModeListener.EXIT_ALL, true);
			} catch (BadLocationException e) {
			}
		}
		return null;
	default:
		return null;
	}
}
 

public void handleEvent(Event event) {
	switch (event.type) {
	case SWT.KeyDown:
		if (event.character == SWT.CR)
			controlChanged((Control) event.widget);
		break;
	case SWT.FocusOut:
		controlChanged((Control) event.widget);
		break;
	}
}