Examples with NodeUIInformation org.knime.core.node.workflow.NodeUIInformation used on opensource projects

Example 6 with NodeUIInformation

use of org.knime.core.node.workflow.NodeUIInformation in project knime-core by knime.

the class DropNodeCommand method execute.

/**
 * {@inheritDoc}
 */
@Override
public void execute() {
    // Add node to workflow and get the container
    WorkflowManager hostWFM = getHostWFM();
    try {
        NodeID id = hostWFM.addNodeAndApplyContext(m_factory, m_dropContext);
        m_container = hostWFM.getNodeContainer(id);
        // create extra info and set it
        NodeUIInformation info = NodeUIInformation.builder().setNodeLocation(m_location.x, m_location.y, -1, -1).setHasAbsoluteCoordinates(false).setSnapToGrid(m_snapToGrid).setIsDropLocation(true).build();
        m_container.setUIInformation(info);
        // Open the dialog. Some times.
        if (m_container instanceof SingleNodeContainer && m_container.getNodeContainerState().isIdle() && m_container.hasDialog() && // and has only a variable in port
        m_container.getNrInPorts() == 1) {
            // if not executable and has a dialog and is fully connected
            // This is embedded in a special JFace wrapper dialog
            // 
            Display.getDefault().asyncExec(new Runnable() {

                @Override
                public void run() {
                    try {
                        WrappedNodeDialog dlg = new WrappedNodeDialog(Display.getCurrent().getActiveShell(), m_container);
                        dlg.open();
                    } catch (Exception e) {
                    // they need to open it manually then
                    }
                }
            });
        }
    } catch (Throwable t) {
        // if fails notify the user
        LOGGER.debug("Node cannot be created.", t);
        MessageBox mb = new MessageBox(Display.getDefault().getActiveShell(), SWT.ICON_WARNING | SWT.OK);
        mb.setText("Node cannot be created.");
        mb.setMessage("The selected node could not be created " + "due to the following reason:\n" + t.getMessage());
        mb.open();
        return;
    }
}

Example 7 with NodeUIInformation

use of org.knime.core.node.workflow.NodeUIInformation in project knime-core by knime.

the class CreateMetaNodeTemplateCommand method execute.

/**
 * {@inheritDoc}
 */
@Override
public void execute() {
    // Add node to workflow and get the container
    LoadMetaNodeTemplateRunnable loadRunnable = null;
    try {
        IWorkbench wb = PlatformUI.getWorkbench();
        IProgressService ps = wb.getProgressService();
        // this one sets the workflow manager in the editor
        loadRunnable = new LoadMetaNodeTemplateRunnable(getHostWFM(), m_templateKNIMEFolder);
        ps.run(false, true, loadRunnable);
        MetaNodeLinkUpdateResult result = loadRunnable.getLoadResult();
        m_container = (NodeContainer) result.getLoadedInstance();
        if (m_container == null) {
            throw new RuntimeException("No template returned by load routine, see log for details");
        }
        // create extra info and set it
        NodeUIInformation info = NodeUIInformation.builder().setNodeLocation(m_location.x, m_location.y, -1, -1).setHasAbsoluteCoordinates(false).setSnapToGrid(m_snapToGrid).setIsDropLocation(true).build();
        m_container.setUIInformation(info);
    } catch (Throwable t) {
        Throwable cause = t;
        while ((cause.getCause() != null) && (cause.getCause() != cause)) {
            cause = cause.getCause();
        }
        String error = "The selected node could not be created";
        if (cause instanceof FileNotFoundException) {
            error += " because a file could not be found: " + cause.getMessage();
            MessageDialog.openError(Display.getDefault().getActiveShell(), "Node cannot be created.", error);
        } else if (cause instanceof IOException) {
            error += " because of an I/O error: " + cause.getMessage();
            MessageDialog.openError(Display.getDefault().getActiveShell(), "Node cannot be created.", error);
        } else if (cause instanceof InvalidSettingsException) {
            error += " because the metanode contains invalid settings: " + cause.getMessage();
            MessageDialog.openError(Display.getDefault().getActiveShell(), "Node cannot be created.", error);
        } else if (cause instanceof UnsupportedWorkflowVersionException) {
            error += " because the metanode version is incompatible: " + cause.getMessage();
            MessageDialog.openError(Display.getDefault().getActiveShell(), "Node cannot be created.", error);
        } else if ((cause instanceof CanceledExecutionException) || (cause instanceof InterruptedException)) {
            LOGGER.info("Metanode loading was canceled by the user", cause);
        } else {
            LOGGER.error(String.format("Metanode loading failed with %s: %s", cause.getClass().getSimpleName(), cause.getMessage()), cause);
            error += ": " + cause.getMessage();
            MessageDialog.openError(Display.getDefault().getActiveShell(), "Node cannot be created.", error);
        }
    }
}

Example 8 with NodeUIInformation

use of org.knime.core.node.workflow.NodeUIInformation in project knime-core by knime.

the class InsertHelper method reconnect.

/**
 * Guesses the incoming/outgoing connections of the new node based on the connections of the old node.
 * The connections are added from port 0 to port n. If no port type matches no connection is added.
 * @param container of the new created node
 * @param snapToGrid should new node snap to grid
 * @param x coordinate of the new node
 * @param y coordinate of the new node
 */
public void reconnect(final NodeContainer container, final boolean snapToGrid, final int x, final int y) {
    // reset node position
    NodeUIInformation info = NodeUIInformation.builder().setNodeLocation(x, y, -1, -1).setHasAbsoluteCoordinates(false).setSnapToGrid(snapToGrid).setIsDropLocation(false).build();
    container.setUIInformation(info);
    // skip fv port of nodes for now
    int p = (container instanceof WorkflowManager) ? 0 : 1;
    while (!hostWFM.canAddConnection(m_edge.getSource(), m_edge.getSourcePort(), container.getID(), p)) {
        // search for a valid connection of the source node to this node
        p++;
        if (p >= container.getNrInPorts()) {
            break;
        }
    }
    if (p < container.getNrInPorts()) {
        hostWFM.addConnection(m_edge.getSource(), m_edge.getSourcePort(), container.getID(), p);
    } else if (!(container instanceof WorkflowManager)) {
        // try if the fv port of nodes would work
        if (hostWFM.canAddConnection(m_edge.getSource(), m_edge.getSourcePort(), container.getID(), 0)) {
            hostWFM.addConnection(m_edge.getSource(), m_edge.getSourcePort(), container.getID(), 0);
        }
    }
    // skip fv port of nodes for now;
    int pout = (container instanceof WorkflowManager) ? 0 : 1;
    while (!hostWFM.canAddConnection(container.getID(), pout, m_edge.getDest(), m_edge.getDestPort())) {
        // search for a valid connection of this node to the destination node of the edge
        pout++;
        if (pout >= container.getNrOutPorts()) {
            break;
        }
    }
    if (pout < container.getNrOutPorts()) {
        hostWFM.addConnection(container.getID(), pout, m_edge.getDest(), m_edge.getDestPort());
    } else if (!(container instanceof WorkflowManager)) {
        // try if the fv port of nodes would work
        if (hostWFM.canAddConnection(container.getID(), 0, m_edge.getDest(), m_edge.getDestPort())) {
            hostWFM.addConnection(container.getID(), 0, m_edge.getDest(), m_edge.getDestPort());
        }
    }
}

Example 9 with NodeUIInformation

use of org.knime.core.node.workflow.NodeUIInformation in project knime-core by knime.

the class PasteFromWorkflowPersistorCommand method execute.

/**
 * {@inheritDoc}
 */
@Override
public void execute() {
    WorkflowManager manager = m_editor.getWorkflowManager().get();
    WorkflowPersistor copyPersistor = m_clipboardObject.getCopyPersistor();
    m_pastedContent = manager.paste(copyPersistor);
    NodeID[] pastedNodes = m_pastedContent.getNodeIDs();
    WorkflowAnnotation[] pastedAnnos = m_pastedContent.getAnnotations();
    // fast lookup below
    Set<NodeID> newIDs = new HashSet<NodeID>();
    List<int[]> insertedElementBounds = new ArrayList<int[]>();
    for (NodeID i : pastedNodes) {
        NodeContainer nc = manager.getNodeContainer(i);
        NodeUIInformation ui = nc.getUIInformation();
        int[] bounds = ui.getBounds();
        insertedElementBounds.add(bounds);
    }
    for (WorkflowAnnotation a : pastedAnnos) {
        int[] bounds = new int[] { a.getX(), a.getY(), a.getWidth(), a.getHeight() };
        insertedElementBounds.add(bounds);
    }
    int[] moveDist = m_shiftCalculator.calculateShift(insertedElementBounds, manager, m_clipboardObject);
    // for redo-operations we need the exact same shift.
    m_shiftCalculator = new FixedShiftCalculator(moveDist);
    for (NodeID id : pastedNodes) {
        newIDs.add(id);
        NodeContainer nc = manager.getNodeContainer(id);
        NodeUIInformation oldUI = nc.getUIInformation();
        NodeUIInformation newUI = NodeUIInformation.builder(oldUI).translate(moveDist).build();
        nc.setUIInformation(newUI);
    }
    for (ConnectionContainer conn : manager.getConnectionContainers()) {
        if (newIDs.contains(conn.getDest()) && newIDs.contains(conn.getSource())) {
            // get bend points and move them
            ConnectionUIInformation oldUI = conn.getUIInfo();
            if (oldUI != null) {
                ConnectionUIInformation newUI = ConnectionUIInformation.builder(oldUI).translate(moveDist).build();
                conn.setUIInfo(newUI);
            }
        }
    }
    for (WorkflowAnnotation a : pastedAnnos) {
        a.shiftPosition(moveDist[0], moveDist[1]);
    }
    EditPartViewer partViewer = m_editor.getViewer();
    partViewer.deselectAll();
    // select the new ones....
    if (partViewer.getRootEditPart().getContents() != null && partViewer.getRootEditPart().getContents() instanceof WorkflowRootEditPart) {
        WorkflowRootEditPart rootEditPart = (WorkflowRootEditPart) partViewer.getRootEditPart().getContents();
        rootEditPart.setFutureSelection(pastedNodes);
        rootEditPart.setFutureAnnotationSelection(Arrays.asList(pastedAnnos));
    }
}

Example 10 with NodeUIInformation

use of org.knime.core.node.workflow.NodeUIInformation in project knime-core by knime.

the class HorizAlignmentCenter method doLayout.

/**
 * @param wfm the manager holding the nodes to layout
 * @param nodeParts the nodes to align
 * @return a map with offsets for the nodes
 */
static Map<NodeContainerEditPart, Integer> doLayout(final WorkflowManagerUI wfm, final NodeContainerEditPart[] nodeParts) {
    if (nodeParts.length == 0) {
        return Collections.emptyMap();
    }
    NodeContainerEditPart[] nodes = nodeParts.clone();
    // sorts by the x position
    Arrays.sort(nodes, new Comparator<NodeContainerEditPart>() {

        @Override
        public int compare(final NodeContainerEditPart o1, final NodeContainerEditPart o2) {
            NodeUIInformation ui1 = o1.getNodeContainer().getUIInformation();
            NodeUIInformation ui2 = o2.getNodeContainer().getUIInformation();
            if (ui1 == null || ui2 == null) {
                return 0;
            }
            if (ui1.getBounds()[0] < ui2.getBounds()[0]) {
                return -1;
            } else {
                return (ui1.getBounds()[0] > ui2.getBounds()[0]) ? 1 : 0;
            }
        }
    });
    // most left node is the anchor that doesn't change
    HashMap<NodeContainerEditPart, Integer> offsets = new HashMap<NodeContainerEditPart, Integer>();
    NodeUIInformation nui = nodes[0].getNodeContainer().getUIInformation();
    if (nui == null) {
        LOGGER.warn("Only nodes with location information can be aligned.");
        return Collections.emptyMap();
    }
    int refY = nui.getBounds()[1];
    for (int i = 1; /* idx 0 is anchor */
    i < nodes.length; i++) {
        NodeContainerUI nc = nodes[i].getNodeContainer();
        NodeUIInformation ui = nc.getUIInformation();
        if (ui.getBounds()[1] != refY) {
            offsets.put(nodes[i], refY - ui.getBounds()[1]);
        }
    }
    return offsets;
}