Java GraphicalEditPart.getModel方法代码示例

import org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart; //导入方法依赖的package包/类
/**
 * Returns the EObject.
 * 
 * @param editPart the edit part.
 * @return the EObject.
 */
public static EObject getElement(GraphicalEditPart editPart) {

    if (editPart == null) {
        return null;
    }

    Object model = editPart.getModel();
    if (!(model instanceof View)) {
        return null;
    }

    View view = (View) model;

    return view.getElement();
}
 

import org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart; //导入方法依赖的package包/类
/**
 * Gets the BasicNode object from a GraphicalEditPart object.
 * 
 * @param element a GraphicalEditPart object.
 * @return the BasicNode object
 */
protected BasicNode getBasicNode(GraphicalEditPart element) {

    if (element == null) {
        return null;
    }
    BasicNode basicNode = null;

    // gets the View object.
    Object model = element.getModel();
    if (model instanceof View) {
        View view = (View) model;
        // gets the EObject object.
        EObject eObj = view.getElement();
        // casts to BasicNode.
        if (eObj instanceof BasicNode) {
            basicNode = (BasicNode) eObj;
        }
    }
    return basicNode;
}
 

import org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart; //导入方法依赖的package包/类
/**
 * Returns whether the target is appropriate to configure or set parameters.
 * 
 * @see IActionFilter#testAttribute(Object, String, String)
 * @param target the target.
 * @param name the attribute name.
 * @param value the attribute value.
 * @return true if and only if the target is appropriate to configure or set parameters; false otherwise.
 */
public boolean testAttribute(Object target, String name, String value) {
    boolean result = false;
    if (NAME.equals(name) && VALUE.equals(value)) {
        GraphicalEditPart graphicalEditPart = (GraphicalEditPart) target;
        View view = (View) graphicalEditPart.getModel();
        BasicNode node = (BasicNode) view.getElement();
        String userdef007 = (String) node.getParameterVals();
        if (userdef007 != null && userdef007.trim().length() != 0
                && ParameterItem.isValidParameter(userdef007)) {
            result = true;
        }
    }
    if (NAME.equals(name) && CONFIG_VALUE.equals(value)) {
        result = true;
    }
    return result;
}
 

import org.eclipse.gmf.runtime.diagram.ui.editparts.GraphicalEditPart; //导入方法依赖的package包/类
public static void repositionConnectionLabels(DiagramEditPart diagep,
		List<GraphicalEditPart> elements) {
	for (EditPart editpart : elements) {
		GraphicalEditPart ep = ((GraphicalEditPart) editpart);
		@SuppressWarnings("unchecked")
		List<ConnectionNodeEditPart> connections = ep.getSourceConnections();
		for (ConnectionNodeEditPart connection : connections) {
			@SuppressWarnings("unchecked")
			List<GraphicalEditPart> labels = connection.getChildren();
			for (GraphicalEditPart label : labels) {
				List<Class<?>> decorationTypes = Arrays.asList(AssociationNameEditPart.class,
						AssociationMultiplicityTargetEditPart.class, AssociationMultiplicitySourceEditPart.class);

				String commandName = "RepositioningLabels";

				if (isInstanceOfAny(label, decorationTypes)) {
					ICommand cmd = new AbstractTransactionalCommand(diagep.getEditingDomain(), commandName, null) {
						@Override
						protected CommandResult doExecuteWithResult(IProgressMonitor monitor, IAdaptable info)
								throws ExecutionException {
							CSSDecorationNodeImpl v = ((CSSDecorationNodeImpl) label.getModel());

							Location LC = (Location) v.getLayoutConstraint();
							LC.setX(0);
							LC.setY(0);
							return CommandResult.newOKCommandResult();
						}
					};

					try {
						cmd.execute(new NullProgressMonitor(), null);
					} catch (ExecutionException e) {
						Logger.sys.warn("Could not execute command " + cmd + " (" + commandName + ")");
					}
				}
			}
		}
	}
}