Examples with ChangeNodeBoundsCommand org.knime.workbench.editor2.commands.ChangeNodeBoundsCommand used on opensource projects

Example 1 with ChangeNodeBoundsCommand

use of org.knime.workbench.editor2.commands.ChangeNodeBoundsCommand in project knime-core by knime.

the class NewWorkflowXYLayoutPolicy method createChangeConstraintCommand.

/**
 * Creates command to move / resize <code>NodeContainer</code> components on
 * the project's client area.
 *
 * {@inheritDoc}
 */
@Override
protected Command createChangeConstraintCommand(final EditPart child, final Object constraint) {
    // only rectangular constraints are supported
    if (!(constraint instanceof Rectangle)) {
        return null;
    }
    Command command = null;
    Rectangle rect = ((Rectangle) constraint).getCopy();
    if (child.getModel() instanceof NodeContainerUI) {
        NodeContainerUI container = (NodeContainerUI) child.getModel();
        if (!Wrapper.wraps(container, NodeContainer.class)) {
            // not supported for others than ordinary NodeContainers
            return null;
        }
        NodeContainerEditPart nodePart = (NodeContainerEditPart) child;
        command = new ChangeNodeBoundsCommand(Wrapper.unwrapNC(container), (NodeContainerFigure) nodePart.getFigure(), rect);
    } else if (child instanceof AbstractWorkflowPortBarEditPart) {
        command = new ChangeWorkflowPortBarCommand((AbstractWorkflowPortBarEditPart) child, rect);
    } else if (child instanceof AnnotationEditPart) {
        AnnotationEditPart annoPart = (AnnotationEditPart) child;
        // TODO the workflow annotation could know what its WFM is?
        WorkflowRootEditPart root = (WorkflowRootEditPart) annoPart.getParent();
        WorkflowManagerUI wm = root.getWorkflowManager();
        if (!Wrapper.wraps(wm, WorkflowManager.class)) {
            // not supported for others than an ordinary workflow manager
            return null;
        }
        command = new ChangeAnnotationBoundsCommand(Wrapper.unwrapWFM(wm), annoPart, rect);
    }
    return command;
}

Example 2 with ChangeNodeBoundsCommand

use of org.knime.workbench.editor2.commands.ChangeNodeBoundsCommand in project knime-core by knime.

the class MoveNodeAbstractAction method createCompoundCommand.

/**
 * @param nodeParts selected nodes and connections
 * @return compound command of all move commands or null if no edit part is selected
 */
public CompoundCommand createCompoundCommand(final NodeContainerEditPart[] nodeParts) {
    List<EditPart> selParts = getMoveableSelectedEditParts();
    if (selParts.size() < 1) {
        return null;
    }
    // should be initialized from the pref page
    // (0, 1) moves down, (-1, 0) moves left
    Point offset = getMoveDirection();
    int signX = (int) Math.signum(offset.x);
    int signY = (int) Math.signum(offset.y);
    CompoundCommand compoundCommand = new CompoundCommand();
    if (getEditor().getEditorSnapToGrid()) {
        // adjust offset to grid size (note: arguments must be not-negative numbers)
        offset = new Point(signX * getEditor().getEditorGridXOffset(signX * offset.x), signY * getEditor().getEditorGridYOffset(signY * offset.y));
        if (selParts.size() == 1) {
            // with one element we move the element onto the grid if it is off
            Point refLoc = null;
            if (selParts.get(0) instanceof NodeContainerEditPart) {
                NodeContainerEditPart node = (NodeContainerEditPart) selParts.get(0);
                NodeContainerFigure figure = (NodeContainerFigure) node.getFigure();
                Point iconOffset = SnapIconToGrid.getGridRefPointOffset(figure);
                refLoc = new Point(figure.getBounds().x, figure.getBounds().y);
                refLoc.translate(iconOffset);
            } else {
                IFigure fig = ((AbstractWorkflowEditPart) selParts.get(0)).getFigure();
                refLoc = new Point(fig.getBounds().x, fig.getBounds().y);
            }
            Point gridLoc = new Point(0, 0);
            Point prevGridLoc = getEditor().getPrevGridLocation(refLoc);
            Point nextGridLoc = getEditor().getNextGridLocation(refLoc);
            boolean toGrid = false;
            if (signX < 0) {
                gridLoc.x = prevGridLoc.x;
                toGrid = (gridLoc.x != refLoc.x);
            }
            if (signX > 0) {
                gridLoc.x = nextGridLoc.x;
                toGrid = (gridLoc.x != refLoc.x);
            }
            if (signY < 0) {
                gridLoc.y = prevGridLoc.y;
                toGrid = (gridLoc.y != refLoc.y);
            }
            if (signY > 0) {
                gridLoc.y = nextGridLoc.y;
                toGrid = (gridLoc.y != refLoc.y);
            }
            if (toGrid) {
                offset = new Point(Math.abs(gridLoc.x - refLoc.x) * signX, Math.abs(gridLoc.y - refLoc.y) * signY);
            }
        }
    }
    int noNodes = 0;
    // apply the offset to all selected elements
    for (EditPart epart : selParts) {
        // apply to selected nodes
        if (epart instanceof NodeContainerEditPart) {
            NodeContainerEditPart node = (NodeContainerEditPart) epart;
            noNodes++;
            NodeContainerUI nc = node.getNodeContainer();
            NodeContainerFigure figure = (NodeContainerFigure) node.getFigure();
            Rectangle bounds = figure.getBounds().getCopy();
            bounds.translate(offset);
            ChangeNodeBoundsCommand cmd = new ChangeNodeBoundsCommand(Wrapper.unwrapNC(nc), figure, bounds);
            compoundCommand.add(cmd);
        }
        // apply to all selected workflow annotations
        if ((epart instanceof AnnotationEditPart) && !(epart instanceof NodeAnnotationEditPart)) {
            AnnotationEditPart anno = (AnnotationEditPart) epart;
            Rectangle bounds = anno.getFigure().getBounds().getCopy();
            bounds.translate(offset);
            ChangeAnnotationBoundsCommand cmd = new ChangeAnnotationBoundsCommand(getManager(), anno, bounds);
            compoundCommand.add(cmd);
        }
    }
    if (noNodes > 1) {
        // if multiple nodes are selected/moved we need to move fully contained connections as well
        ConnectionContainerEditPart[] conns = WorkflowSelectionDragEditPartsTracker.getEmbracedConnections(selParts);
        for (ConnectionContainerEditPart conn : conns) {
            ChangeBendPointLocationCommand connCmd = new ChangeBendPointLocationCommand(conn, offset.getCopy(), null);
            compoundCommand.add(connCmd);
        }
    }
    return compoundCommand;
}