Examples with WorkflowOutPortBarEditPart org.knime.workbench.editor2.editparts.WorkflowOutPortBarEditPart used on opensource projects

Example 1 with WorkflowOutPortBarEditPart

use of org.knime.workbench.editor2.editparts.WorkflowOutPortBarEditPart in project knime-core by knime.

the class WorkflowEditorDropTargetListener method getInsertLocation.

/**
 * Computes the location of the new node and also determines if some node should be moved.
 *
 * A successor node is selected for the move action if the distance between this node and the successor is
 * smaller than the {@link WorkflowEditorDropTargetListener#MINIMUM_NODE_DISTANCE} and if they overlap vertically.
 *
 * @return point where the new node should be inserted and sets
 *         {@link WorkflowEditorDropTargetListener#m_distanceToMoveTarget}
 */
private Point getInsertLocation() {
    ZoomManager zoomManager = (ZoomManager) getViewer().getProperty(ZoomManager.class.toString());
    double zoom = zoomManager.getZoom();
    int adjustedMinimumNodeDistance = (int) (MINIMUM_NODE_DISTANCE * zoom);
    double adjustedMinimumNodeDistanceBeforeInsertion = MINIMUM_NODE_DISTANCE_BEFORE_INSERTION * zoom;
    Point dropLocation = getDropLocation();
    Point insertLocation = dropLocation;
    int[] sourceBounds = null;
    int[] targetBounds = null;
    int sourceAnnotationHeight = 0;
    int targetAnnotationHeight = 0;
    EditPart source = m_edge.getSource().getParent();
    EditPart target = m_edge.getTarget().getParent();
    NodeContainerEditPart nextNode = null;
    if (source instanceof WorkflowInPortBarEditPart && target instanceof NodeContainerEditPart) {
        // metanode start --> first node in metanode
        WorkflowInPortBarEditPart sourceBar = ((WorkflowInPortBarEditPart) source);
        NodeContainerEditPart targetNode = (NodeContainerEditPart) target;
        Rectangle bounds = sourceBar.getFigure().getBounds();
        org.eclipse.swt.graphics.Point p = getViewer().getControl().toControl(bounds.x, bounds.y);
        sourceBounds = new int[] { p.x, p.y, bounds.width, bounds.height };
        targetBounds = targetNode.getNodeContainer().getUIInformation().getBounds();
        targetAnnotationHeight = targetNode.getNodeAnnotationEditPart().getModel().getHeight();
        nextNode = targetNode;
    } else if (source instanceof NodeContainerEditPart && target instanceof WorkflowOutPortBarEditPart) {
        // last node in metanode --> metanode end
        NodeContainerEditPart sourceNode = (NodeContainerEditPart) source;
        WorkflowOutPortBarEditPart targetBar = (WorkflowOutPortBarEditPart) target;
        sourceBounds = sourceNode.getNodeContainer().getUIInformation().getBounds();
        Rectangle bounds = targetBar.getFigure().getBounds();
        targetBounds = new int[] { bounds.x, bounds.y, bounds.width, bounds.height };
        sourceAnnotationHeight = sourceNode.getNodeAnnotationEditPart().getModel().getHeight();
    } else if (source instanceof WorkflowInPortBarEditPart && target instanceof WorkflowOutPortBarEditPart) {
        // metanode start --> metanode end
        WorkflowInPortBarEditPart sourceBar = (WorkflowInPortBarEditPart) source;
        WorkflowOutPortBarEditPart targetBar = (WorkflowOutPortBarEditPart) target;
        sourceBounds = sourceBar.getNodeContainer().getUIInformation().getBounds();
        targetBounds = targetBar.getNodeContainer().getUIInformation().getBounds();
    } else if (source instanceof NodeContainerEditPart && target instanceof NodeContainerEditPart) {
        // node --> node
        NodeContainerEditPart sourceNode = (NodeContainerEditPart) source;
        NodeContainerEditPart targetNode = (NodeContainerEditPart) target;
        sourceBounds = sourceNode.getNodeContainer().getUIInformation().getBounds();
        targetBounds = targetNode.getNodeContainer().getUIInformation().getBounds();
        sourceAnnotationHeight = sourceNode.getNodeAnnotationEditPart().getModel().getHeight();
        targetAnnotationHeight = targetNode.getNodeAnnotationEditPart().getModel().getHeight();
        nextNode = targetNode;
    }
    if (sourceBounds != null && targetBounds != null) {
        sourceBounds = recomputeBounds(sourceBounds);
        targetBounds = recomputeBounds(targetBounds);
        if (0 <= targetBounds[0] - sourceBounds[0] && targetBounds[0] - sourceBounds[0] >= adjustedMinimumNodeDistanceBeforeInsertion) {
            m_distanceToMoveTarget = 0;
        } else {
            m_distanceToMoveTarget = adjustedMinimumNodeDistance + (sourceBounds[0] + adjustedMinimumNodeDistance - targetBounds[0]);
            m_distanceToMoveTarget = (int) (m_distanceToMoveTarget / zoom);
        }
        insertLocation = new Point(getXLocation(dropLocation.x, sourceBounds[0], zoom), getYLocation(dropLocation.y, sourceBounds[1], targetBounds[1], zoom));
        if (WorkflowEditor.getActiveEditorSnapToGrid()) {
            insertLocation = WorkflowEditor.getActiveEditorClosestGridLocation(insertLocation);
        }
        getViewer().getSelectionManager().deselectAll();
        if (nextNode != null && selectSuccessor(sourceBounds[0], targetBounds[0], sourceBounds[1], sourceBounds[1] + sourceBounds[3] + sourceAnnotationHeight, targetBounds[1], targetBounds[1] + targetBounds[3] + targetAnnotationHeight, zoom)) {
            selectNodes(nextNode, zoom);
        }
    }
    return insertLocation;
}

Example 2 with WorkflowOutPortBarEditPart

use of org.knime.workbench.editor2.editparts.WorkflowOutPortBarEditPart in project knime-core by knime.

the class WorkflowEditPartFactory method createEditPart.

/**
 * Creates the referring edit parts for the following parts of the model.
 * <ul>
 * <li>{@link WorkflowManager}: either {@link WorkflowRootEditPart} or {@link NodeContainerEditPart} (depending on
 * the currently displayed level)</li>
 * <li>{@link SingleNodeContainer}: {@link NodeContainerEditPart}</li>
 * <li>{@link NodeInPort}: {@link NodeInPortEditPart}</li>
 * <li>{@link NodeOutPort}: {@link NodeOutPortEditPart}</li>
 * <li>{@link ConnectionContainer}: {@link ConnectionContainerEditPart}</li>
 * <li>{@link WorkflowInPort}: {@link WorkflowInPortEditPart}</li>
 * <li>{@link WorkflowOutPort}: {@link WorkflowOutPortEditPart}</li>
 * </ul>
 *
 * The {@link WorkflowRootEditPart} has its {@link NodeContainer}s and its {@link WorkflowInPort}s and
 * {@link WorkflowOutPort}s as model children. The {@link NodeContainerEditPart} has its {@link NodePort}s as its
 * children.
 *
 * @see WorkflowRootEditPart#getModelChildren()
 * @see NodeContainerEditPart#getModelChildren()
 *
 * @throws IllegalArgumentException if any other object is passed
 *
 *             {@inheritDoc}
 */
@Override
public EditPart createEditPart(final EditPart context, final Object model) {
    // instantiated here
    // correct type in the if statement
    // model at the end of method
    EditPart part = null;
    if (model instanceof WorkflowManagerUI) {
        // this is out "root" workflow manager
        if (m_isTop) {
            // all following objects of type WorkflowManager are treated as
            // metanodes and displayed as NodeContainers
            m_isTop = false;
            part = new WorkflowRootEditPart();
        } else {
            // we already have a "root" workflow manager
            // must be a metanode
            part = new SubworkflowEditPart();
        }
    } else if (model instanceof NodeAnnotation) {
        /* IMPORTANT: first test NodeAnnotation then Annotation (as the
             * first derives from the latter! */
        part = new NodeAnnotationEditPart();
    } else if (model instanceof Annotation) {
        /* IMPORTANT: first test NodeAnnotation then Annotation (as the
             * first derives from the latter! */
        /* workflow annotations hang off the workflow manager */
        part = new AnnotationEditPart();
    } else if (model instanceof WorkflowPortBar) {
        WorkflowPortBar bar = (WorkflowPortBar) model;
        if (bar.isInPortBar()) {
            part = new WorkflowInPortBarEditPart();
        } else {
            part = new WorkflowOutPortBarEditPart();
        }
    } else if (model instanceof SingleNodeContainerUI) {
        // SingleNodeContainer -> NodeContainerEditPart
        part = new NodeContainerEditPart();
    // we have to test for WorkflowInPort first because it's a
    // subclass of NodeInPort (same holds for WorkflowOutPort and
    // NodeOutPort)
    } else if (model instanceof WorkflowInPortUI && context instanceof WorkflowInPortBarEditPart) {
        // WorkflowInPort and context WorkflowRootEditPart ->
        // WorkflowInPortEditPart
        /*
             * if the context is a WorkflowRootEditPart it indicates that the
             * WorkflowInPort is a model child of the WorkflowRootEditPart, i.e.
             * we look at it as a workflow in port. If the context is a
             * NodeContainerEditPart the WorkflowInPort is a model child of a
             * NodeContainerEditPart and we look at it as a node in port.
             */
        WorkflowInPortUI inport = (WorkflowInPortUI) model;
        part = new WorkflowInPortEditPart(inport.getPortType(), inport.getPortIndex());
    } else if (model instanceof WorkflowOutPortUI && context instanceof WorkflowOutPortBarEditPart) {
        // WorkflowOutPort and context WorkflowRootEditPart ->
        // WorkflowOutPortEditPart
        /*
             * if the context is a WorkflowRootEditPart it indicates that the
             * WorkflowOutPort is a model child of the WorkflowRootEditPart,
             * i.e. we look at it as a workflow out port. If the context is a
             * NodeContainerEditPart the WorkflowOutPort is a model child of a
             * NodeContainerEditPart and we look at it as a node out port.
             */
        // TODO: return SubWorkFlowOutPortEditPart
        WorkflowOutPortUI outport = (WorkflowOutPortUI) model;
        part = new WorkflowOutPortEditPart(outport.getPortType(), outport.getPortIndex());
    } else if (model instanceof WorkflowOutPortUI) {
        // TODO: return SubWorkFlowOutPortEditPart
        WorkflowOutPortUI outport = (WorkflowOutPortUI) model;
        part = new MetaNodeOutPortEditPart(outport.getPortType(), outport.getPortIndex());
    } else if (model instanceof NodeInPortUI) {
        // NodeInPort -> NodeInPortEditPart
        NodePortUI port = (NodeInPortUI) model;
        part = new NodeInPortEditPart(port.getPortType(), port.getPortIndex());
    } else if (model instanceof NodeOutPortUI) {
        // NodeOutPort -> NodeOutPortEditPart
        NodePortUI port = (NodeOutPortUI) model;
        part = new NodeOutPortEditPart(port.getPortType(), port.getPortIndex());
    } else if (model instanceof ConnectionContainerUI) {
        // ConnectionContainer -> ConnectionContainerEditPart
        part = new ConnectionContainerEditPart();
    } else {
        throw new IllegalArgumentException("unknown model obj: " + model);
    }
    // associate the model with the part (= the controller)
    part.setModel(model);
    return part;
}