Examples with SearchFieldsProgressDialog org.pentaho.di.ui.spoon.dialog.SearchFieldsProgressDialog used on opensource projects

Example 1 with SearchFieldsProgressDialog

use of org.pentaho.di.ui.spoon.dialog.SearchFieldsProgressDialog in project pentaho-kettle by pentaho.

the class TransGraph method inputOutputFields.

/**
 * Display the input- or outputfields for a step.
 *
 * @param stepMeta The step (it's metadata) to query
 * @param before   set to true if you want to have the fields going INTO the step, false if you want to see all the
 *                 fields that exit the step.
 */
private void inputOutputFields(StepMeta stepMeta, boolean before) {
    spoon.refreshGraph();
    transMeta.setRepository(spoon.rep);
    SearchFieldsProgressDialog op = new SearchFieldsProgressDialog(transMeta, stepMeta, before);
    boolean alreadyThrownError = false;
    try {
        final ProgressMonitorDialog pmd = new ProgressMonitorDialog(shell);
        // Run something in the background to cancel active database queries, forecably if needed!
        Runnable run = new Runnable() {

            @Override
            public void run() {
                IProgressMonitor monitor = pmd.getProgressMonitor();
                while (pmd.getShell() == null || (!pmd.getShell().isDisposed() && !monitor.isCanceled())) {
                    try {
                        Thread.sleep(250);
                    } catch (InterruptedException e) {
                    // Ignore
                    }
                }
                if (monitor.isCanceled()) {
                    try {
                        transMeta.cancelQueries();
                    } catch (Exception e) {
                    // Ignore
                    }
                }
            }
        };
        // Dump the cancel looker in the background!
        new Thread(run).start();
        pmd.run(true, true, op);
    } catch (InvocationTargetException e) {
        new ErrorDialog(shell, BaseMessages.getString(PKG, "TransGraph.Dialog.GettingFields.Title"), BaseMessages.getString(PKG, "TransGraph.Dialog.GettingFields.Message"), e);
        alreadyThrownError = true;
    } catch (InterruptedException e) {
        new ErrorDialog(shell, BaseMessages.getString(PKG, "TransGraph.Dialog.GettingFields.Title"), BaseMessages.getString(PKG, "TransGraph.Dialog.GettingFields.Message"), e);
        alreadyThrownError = true;
    }
    RowMetaInterface fields = op.getFields();
    if (fields != null && fields.size() > 0) {
        StepFieldsDialog sfd = new StepFieldsDialog(shell, transMeta, SWT.NONE, stepMeta.getName(), fields);
        String sn = (String) sfd.open();
        if (sn != null) {
            StepMeta esi = transMeta.findStep(sn);
            if (esi != null) {
                editStep(esi);
            }
        }
    } else {
        if (!alreadyThrownError) {
            MessageBox mb = new MessageBox(shell, SWT.OK | SWT.ICON_INFORMATION);
            mb.setMessage(BaseMessages.getString(PKG, "TransGraph.Dialog.CouldntFindFields.Message"));
            mb.setText(BaseMessages.getString(PKG, "TransGraph.Dialog.CouldntFindFields.Title"));
            mb.open();
        }
    }
}