Search in sources :

Example 1 with LoadMetaNodeTemplateRunnable

use of org.knime.workbench.editor2.LoadMetaNodeTemplateRunnable 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);
        }
    }
}
Also used : UnsupportedWorkflowVersionException(org.knime.core.node.workflow.UnsupportedWorkflowVersionException) LoadMetaNodeTemplateRunnable(org.knime.workbench.editor2.LoadMetaNodeTemplateRunnable) FileNotFoundException(java.io.FileNotFoundException) IOException(java.io.IOException) IWorkbench(org.eclipse.ui.IWorkbench) InvalidSettingsException(org.knime.core.node.InvalidSettingsException) CanceledExecutionException(org.knime.core.node.CanceledExecutionException) IProgressService(org.eclipse.ui.progress.IProgressService) NodeUIInformation(org.knime.core.node.workflow.NodeUIInformation) MetaNodeLinkUpdateResult(org.knime.core.node.workflow.WorkflowPersistor.MetaNodeLinkUpdateResult)

Aggregations

FileNotFoundException (java.io.FileNotFoundException)1 IOException (java.io.IOException)1 IWorkbench (org.eclipse.ui.IWorkbench)1 IProgressService (org.eclipse.ui.progress.IProgressService)1 CanceledExecutionException (org.knime.core.node.CanceledExecutionException)1 InvalidSettingsException (org.knime.core.node.InvalidSettingsException)1 NodeUIInformation (org.knime.core.node.workflow.NodeUIInformation)1 UnsupportedWorkflowVersionException (org.knime.core.node.workflow.UnsupportedWorkflowVersionException)1 MetaNodeLinkUpdateResult (org.knime.core.node.workflow.WorkflowPersistor.MetaNodeLinkUpdateResult)1 LoadMetaNodeTemplateRunnable (org.knime.workbench.editor2.LoadMetaNodeTemplateRunnable)1