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

Example 1 with SingleNodeContainer

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

the class NodeMonitorView method updateDataTable.

/*
     *  Put (static and simple) content of one output port table into table.
     */
private void updateDataTable(final NodeContainer nc, final int port) {
    assert Display.getCurrent().getThread() == Thread.currentThread();
    m_info.setText("Port Output");
    m_table.removeAll();
    for (TableColumn tc : m_table.getColumns()) {
        tc.dispose();
    }
    // check if we can display something at all:
    int index = port;
    if (nc instanceof SingleNodeContainer) {
        // we don't care about (hidden) variable OutPort
        index++;
    }
    if (nc.getNrOutPorts() <= index) {
        // no (real) port available
        TableItem item = new TableItem(m_table, SWT.NONE);
        item.setText(0, "No output ports");
        return;
    }
    NodeOutPort nop = nc.getOutPort(index);
    PortObject po = nop.getPortObject();
    if ((po == null) || !(po instanceof BufferedDataTable)) {
        // no table in port - ignore.
        TableItem item = new TableItem(m_table, SWT.NONE);
        item.setText(0, "Unknown or no PortObject");
        return;
    }
    // retrieve table
    BufferedDataTable bdt = (BufferedDataTable) po;
    TableColumn column = new TableColumn(m_table, SWT.NONE);
    column.setText("ID");
    for (int i = 0; i < bdt.getDataTableSpec().getNumColumns(); i++) {
        column = new TableColumn(m_table, SWT.NONE);
        column.setText(bdt.getDataTableSpec().getColumnSpec(i).getName());
    }
    int rowIndex = 0;
    Iterator<DataRow> rowIt = bdt.iteratorFailProve();
    while (rowIndex < 42 && rowIt.hasNext()) {
        DataRow thisRow = rowIt.next();
        TableItem item = new TableItem(m_table, SWT.NONE);
        item.setText(0, thisRow.getKey().getString());
        for (int i = 0; i < thisRow.getNumCells(); i++) {
            DataCell c = thisRow.getCell(i);
            String s = c.toString().replaceAll("\\p{Cntrl}", "_");
            item.setText(i + 1, s);
        }
        rowIndex++;
    }
    for (int i = 0; i < m_table.getColumnCount(); i++) {
        m_table.getColumn(i).pack();
    }
}

Example 2 with SingleNodeContainer

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

the class NodeOutputView method updateVariableTable.

/*
     *  Put info about workflow variables into table.
     */
private void updateVariableTable(final NodeContainer nc) {
    assert Display.getCurrent().getThread() == Thread.currentThread();
    // display swt table
    ((StackLayout) m_stackPanel.getLayout()).topControl = m_table;
    m_stackPanel.layout();
    // Initialize table
    m_table.removeAll();
    for (TableColumn tc : m_table.getColumns()) {
        tc.dispose();
    }
    String[] titles = { "Variable", "Value" };
    for (int i = 0; i < titles.length; i++) {
        TableColumn column = new TableColumn(m_table, SWT.NONE);
        column.setText(titles[i]);
    }
    // retrieve variables
    Collection<FlowVariable> fvs;
    if ((nc instanceof SingleNodeContainer) || nc.getNrOutPorts() > 0) {
        // for normal nodes port 0 is available (hidden variable OutPort!)
        FlowObjectStack fos = nc.getOutPort(0).getFlowObjectStack();
        if (fos != null) {
            fvs = fos.getAvailableFlowVariables(org.knime.core.node.workflow.FlowVariable.Type.values()).values();
        } else {
            fvs = null;
        }
        m_info.setText("Node Variables");
    } else {
        // no output port on metanode - display workflow variables
        fvs = ((WorkflowManager) nc).getWorkflowVariables();
        m_info.setText("Metanode Variables");
    }
    if (fvs != null) {
        // update content
        for (FlowVariable fv : fvs) {
            TableItem item = new TableItem(m_table, SWT.NONE);
            item.setText(0, fv.getName());
            item.setText(1, fv.getValueAsString());
        }
    }
    for (int i = 0; i < m_table.getColumnCount(); i++) {
        m_table.getColumn(i).pack();
    }
}

Example 3 with SingleNodeContainer

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

the class NodeOutputView method updateDataTable.

/*
     *  Put (static and simple) content of one output port table into table.
     */
private void updateDataTable(final NodeContainer nc, final int port) {
    assert Display.getCurrent().getThread() == Thread.currentThread();
    // display data table
    ((StackLayout) m_stackPanel.getLayout()).topControl = m_tableViewPanel;
    m_stackPanel.layout();
    m_info.setText("Port Output");
    m_tableView.setDataTable(null);
    // check if we can display something at all:
    int index = port;
    if (nc instanceof SingleNodeContainer) {
        // we don't care about (hidden) variable OutPort
        index++;
    }
    if (nc.getNrOutPorts() <= index) {
        // no (real) port available
        m_errorLabel.setText("No output ports");
        ((StackLayout) m_stackPanel.getLayout()).topControl = m_errorLabel;
        m_stackPanel.layout();
        return;
    }
    NodeOutPort nop = nc.getOutPort(index);
    PortObject po = nop.getPortObject();
    if ((po == null) || !(po instanceof BufferedDataTable)) {
        // no table in port - ignore.
        m_errorLabel.setText("Unknown or no PortObject");
        ((StackLayout) m_stackPanel.getLayout()).topControl = m_errorLabel;
        m_stackPanel.layout();
        return;
    }
    // retrieve table
    m_tableView.setDataTable((DataTable) po);
    m_tableView.repaint();
}

Example 4 with SingleNodeContainer

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

the class PauseLoopExecutionAction method internalCalculateEnabled.

/**
 * @return <code>true</code>, if just one loop end node part is selected
 *         which is executing.
 *
 * @see org.eclipse.gef.ui.actions.WorkbenchPartAction#calculateEnabled()
 */
@Override
protected boolean internalCalculateEnabled() {
    NodeContainerEditPart[] parts = getSelectedParts(NodeContainerEditPart.class);
    if (parts.length != 1) {
        return false;
    }
    // enabled if the one selected node is an executing LoopEndNode
    NodeContainerUI nc = parts[0].getNodeContainer();
    if (Wrapper.wraps(nc, SingleNodeContainer.class)) {
        SingleNodeContainer snc = Wrapper.unwrap(nc, SingleNodeContainer.class);
        if ((snc.isModelCompatibleTo(LoopEndNode.class)) && (nc.getNodeContainerState().isExecutionInProgress())) {
            return true;
        }
    }
    return false;
}

Example 5 with SingleNodeContainer

use of org.knime.core.node.workflow.SingleNodeContainer 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;
    }
}