Examples with PaloCellInputMeta org.pentaho.di.trans.steps.palo.cellinput.PaloCellInputMeta used on opensource projects

Example 1 with PaloCellInputMeta

use of org.pentaho.di.trans.steps.palo.cellinput.PaloCellInputMeta in project pentaho-kettle by pentaho.

the class PaloCellInputDialog method preview.

private void preview() {
    PaloCellInputMeta oneMeta = new PaloCellInputMeta();
    try {
        getInfo(oneMeta);
        if (oneMeta.getFields() == null || oneMeta.getFields().size() == 0) {
            throw new KettleException("Fields must be defined to do a preview");
        } else {
            for (DimensionField field : oneMeta.getFields()) {
                if (Utils.isEmpty(field.getFieldType())) {
                    throw new KettleException("All fields must have an output type to do the preview");
                }
            }
        }
    } catch (KettleException e) {
        new ErrorDialog(shell, BaseMessages.getString(PKG, "RowGeneratorDialog.Illegal.Dialog.Settings.Title"), BaseMessages.getString(PKG, "RowGeneratorDialog.Illegal.Dialog.Settings.Message"), e);
        return;
    }
    TransMeta previewMeta = TransPreviewFactory.generatePreviewTransformation(transMeta, oneMeta, textStepName.getText());
    EnterNumberDialog numberDialog = new EnterNumberDialog(shell, 500, BaseMessages.getString(PKG, "System.Dialog.EnterPreviewSize.Title"), BaseMessages.getString(PKG, "System.Dialog.EnterPreviewSize.Message"));
    int previewSize = numberDialog.open();
    if (previewSize > 0) {
        TransPreviewProgressDialog progressDialog = new TransPreviewProgressDialog(shell, previewMeta, new String[] { textStepName.getText() }, new int[] { previewSize });
        progressDialog.open();
        Trans trans = progressDialog.getTrans();
        String loggingText = progressDialog.getLoggingText();
        if (!progressDialog.isCancelled()) {
            if (trans.getResult() != null && trans.getResult().getNrErrors() > 0) {
                EnterTextDialog etd = new EnterTextDialog(shell, BaseMessages.getString(PKG, "System.Dialog.PreviewError.Title"), BaseMessages.getString(PKG, "System.Dialog.PreviewError.Message"), loggingText, true);
                etd.setReadOnly();
                etd.open();
            }
        }
        PreviewRowsDialog prd = new PreviewRowsDialog(shell, transMeta, SWT.NONE, textStepName.getText(), progressDialog.getPreviewRowsMeta(textStepName.getText()), progressDialog.getPreviewRows(textStepName.getText()), loggingText);
        prd.open();
    }
}