Examples with RowMetaInterface org.pentaho.di.core.row.RowMetaInterface used on opensource projects

Example 41 with RowMetaInterface

use of org.pentaho.di.core.row.RowMetaInterface in project pentaho-kettle by pentaho.

the class SortRowsDialog method get.

private void get() {
    try {
        RowMetaInterface r = transMeta.getPrevStepFields(stepname);
        if (r != null) {
            TableItemInsertListener insertListener = new TableItemInsertListener() {

                @Override
                public boolean tableItemInserted(TableItem tableItem, ValueMetaInterface v) {
                    tableItem.setText(2, BaseMessages.getString(PKG, "System.Combo.Yes"));
                    return true;
                }
            };
            BaseStepDialog.getFieldsFromPrevious(r, wFields, 1, new int[] { 1 }, new int[] {}, -1, -1, insertListener);
        }
    } catch (KettleException ke) {
        new ErrorDialog(shell, BaseMessages.getString(PKG, "System.Dialog.GetFieldsFailed.Title"), BaseMessages.getString(PKG, "System.Dialog.GetFieldsFailed.Message"), ke);
    }
}

Example 42 with RowMetaInterface

use of org.pentaho.di.core.row.RowMetaInterface in project pentaho-kettle by pentaho.

the class SortRowsDialog method open.

@Override
public String open() {
    Shell parent = getParent();
    Display display = parent.getDisplay();
    shell = new Shell(parent, SWT.DIALOG_TRIM | SWT.RESIZE | SWT.MAX | SWT.MIN);
    props.setLook(shell);
    setShellImage(shell, input);
    ModifyListener lsMod = new ModifyListener() {

        @Override
        public void modifyText(ModifyEvent e) {
            input.setChanged();
        }
    };
    changed = input.hasChanged();
    FormLayout formLayout = new FormLayout();
    formLayout.marginWidth = Const.FORM_MARGIN;
    formLayout.marginHeight = Const.FORM_MARGIN;
    shell.setLayout(formLayout);
    shell.setText(BaseMessages.getString(PKG, "SortRowsDialog.DialogTitle"));
    int middle = props.getMiddlePct();
    int margin = Const.MARGIN;
    // Stepname line
    wlStepname = new Label(shell, SWT.RIGHT);
    wlStepname.setText(BaseMessages.getString(PKG, "System.Label.StepName"));
    props.setLook(wlStepname);
    fdlStepname = new FormData();
    fdlStepname.left = new FormAttachment(0, 0);
    fdlStepname.right = new FormAttachment(middle, -margin);
    fdlStepname.top = new FormAttachment(0, margin);
    wlStepname.setLayoutData(fdlStepname);
    wStepname = new Text(shell, SWT.SINGLE | SWT.LEFT | SWT.BORDER);
    wStepname.setText(stepname);
    props.setLook(wStepname);
    wStepname.addModifyListener(lsMod);
    fdStepname = new FormData();
    fdStepname.left = new FormAttachment(middle, 0);
    fdStepname.top = new FormAttachment(0, margin);
    fdStepname.right = new FormAttachment(100, 0);
    wStepname.setLayoutData(fdStepname);
    // Temp directory for sorting
    wlSortDir = new Label(shell, SWT.RIGHT);
    wlSortDir.setText(BaseMessages.getString(PKG, "SortRowsDialog.SortDir.Label"));
    props.setLook(wlSortDir);
    fdlSortDir = new FormData();
    fdlSortDir.left = new FormAttachment(0, 0);
    fdlSortDir.right = new FormAttachment(middle, -margin);
    fdlSortDir.top = new FormAttachment(wStepname, margin);
    wlSortDir.setLayoutData(fdlSortDir);
    wbSortDir = new Button(shell, SWT.PUSH | SWT.CENTER);
    props.setLook(wbSortDir);
    wbSortDir.setText(BaseMessages.getString(PKG, "System.Button.Browse"));
    fdbSortDir = new FormData();
    fdbSortDir.right = new FormAttachment(100, 0);
    fdbSortDir.top = new FormAttachment(wStepname, margin);
    wbSortDir.setLayoutData(fdbSortDir);
    wSortDir = new TextVar(transMeta, shell, SWT.SINGLE | SWT.LEFT | SWT.BORDER);
    wSortDir.setText("temp");
    props.setLook(wSortDir);
    wSortDir.addModifyListener(lsMod);
    fdSortDir = new FormData();
    fdSortDir.left = new FormAttachment(middle, 0);
    fdSortDir.top = new FormAttachment(wStepname, margin);
    fdSortDir.right = new FormAttachment(wbSortDir, -margin);
    wSortDir.setLayoutData(fdSortDir);
    wbSortDir.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent arg0) {
            DirectoryDialog dd = new DirectoryDialog(shell, SWT.NONE);
            dd.setFilterPath(wSortDir.getText());
            String dir = dd.open();
            if (dir != null) {
                wSortDir.setText(dir);
            }
        }
    });
    // Whenever something changes, set the tooltip to the expanded version:
    wSortDir.addModifyListener(new ModifyListener() {

        @Override
        public void modifyText(ModifyEvent e) {
            wSortDir.setToolTipText(transMeta.environmentSubstitute(wSortDir.getText()));
        }
    });
    // Prefix of temporary file
    wlPrefix = new Label(shell, SWT.RIGHT);
    wlPrefix.setText(BaseMessages.getString(PKG, "SortRowsDialog.Prefix.Label"));
    props.setLook(wlPrefix);
    fdlPrefix = new FormData();
    fdlPrefix.left = new FormAttachment(0, 0);
    fdlPrefix.right = new FormAttachment(middle, -margin);
    fdlPrefix.top = new FormAttachment(wbSortDir, margin * 2);
    wlPrefix.setLayoutData(fdlPrefix);
    wPrefix = new Text(shell, SWT.SINGLE | SWT.LEFT | SWT.BORDER);
    props.setLook(wPrefix);
    wPrefix.addModifyListener(lsMod);
    fdPrefix = new FormData();
    fdPrefix.left = new FormAttachment(middle, 0);
    fdPrefix.top = new FormAttachment(wbSortDir, margin * 2);
    fdPrefix.right = new FormAttachment(100, 0);
    wPrefix.setLayoutData(fdPrefix);
    wPrefix.setText("srt");
    // Maximum number of lines to keep in memory before using temporary files
    wlSortSize = new Label(shell, SWT.RIGHT);
    wlSortSize.setText(BaseMessages.getString(PKG, "SortRowsDialog.SortSize.Label"));
    props.setLook(wlSortSize);
    fdlSortSize = new FormData();
    fdlSortSize.left = new FormAttachment(0, 0);
    fdlSortSize.right = new FormAttachment(middle, -margin);
    fdlSortSize.top = new FormAttachment(wPrefix, margin * 2);
    wlSortSize.setLayoutData(fdlSortSize);
    wSortSize = new TextVar(transMeta, shell, SWT.SINGLE | SWT.LEFT | SWT.BORDER);
    props.setLook(wSortSize);
    wSortSize.addModifyListener(lsMod);
    fdSortSize = new FormData();
    fdSortSize.left = new FormAttachment(middle, 0);
    fdSortSize.top = new FormAttachment(wPrefix, margin * 2);
    fdSortSize.right = new FormAttachment(100, 0);
    wSortSize.setLayoutData(fdSortSize);
    // Free Memory to keep
    wlFreeMemory = new Label(shell, SWT.RIGHT);
    wlFreeMemory.setText(BaseMessages.getString(PKG, "SortRowsDialog.FreeMemory.Label"));
    wlFreeMemory.setToolTipText(BaseMessages.getString(PKG, "SortRowsDialog.FreeMemory.ToolTip"));
    props.setLook(wlFreeMemory);
    fdlFreeMemory = new FormData();
    fdlFreeMemory.left = new FormAttachment(0, 0);
    fdlFreeMemory.right = new FormAttachment(middle, -margin);
    fdlFreeMemory.top = new FormAttachment(wSortSize, margin * 2);
    wlFreeMemory.setLayoutData(fdlFreeMemory);
    wFreeMemory = new TextVar(transMeta, shell, SWT.SINGLE | SWT.LEFT | SWT.BORDER);
    wFreeMemory.setToolTipText(BaseMessages.getString(PKG, "SortRowsDialog.FreeMemory.ToolTip"));
    props.setLook(wFreeMemory);
    wFreeMemory.addModifyListener(lsMod);
    fdFreeMemory = new FormData();
    fdFreeMemory.left = new FormAttachment(middle, 0);
    fdFreeMemory.top = new FormAttachment(wSortSize, margin * 2);
    fdFreeMemory.right = new FormAttachment(100, 0);
    wFreeMemory.setLayoutData(fdFreeMemory);
    // Using compression for temporary files?
    wlCompress = new Label(shell, SWT.RIGHT);
    wlCompress.setText(BaseMessages.getString(PKG, "SortRowsDialog.Compress.Label"));
    props.setLook(wlCompress);
    fdlCompress = new FormData();
    fdlCompress.left = new FormAttachment(0, 0);
    fdlCompress.right = new FormAttachment(middle, -margin);
    fdlCompress.top = new FormAttachment(wFreeMemory, margin * 2);
    wlCompress.setLayoutData(fdlCompress);
    wCompress = new CheckBoxVar(transMeta, shell, SWT.CHECK, "");
    props.setLook(wCompress);
    fdCompress = new FormData();
    fdCompress.left = new FormAttachment(middle, 0);
    fdCompress.top = new FormAttachment(wFreeMemory, margin * 2);
    fdCompress.right = new FormAttachment(100, 0);
    wCompress.setLayoutData(fdCompress);
    wCompress.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            log.logDetailed("SortRowsDialog", "Selection Listener for compress: " + wCompress.getSelection());
            input.setChanged();
        }
    });
    // Using compression for temporary files?
    wlUniqueRows = new Label(shell, SWT.RIGHT);
    wlUniqueRows.setText(BaseMessages.getString(PKG, "SortRowsDialog.UniqueRows.Label"));
    props.setLook(wlUniqueRows);
    fdlUniqueRows = new FormData();
    fdlUniqueRows.left = new FormAttachment(0, 0);
    fdlUniqueRows.right = new FormAttachment(middle, -margin);
    fdlUniqueRows.top = new FormAttachment(wCompress, margin);
    wlUniqueRows.setLayoutData(fdlUniqueRows);
    wUniqueRows = new Button(shell, SWT.CHECK);
    wUniqueRows.setToolTipText(BaseMessages.getString(PKG, "SortRowsDialog.UniqueRows.Tooltip"));
    props.setLook(wUniqueRows);
    fdUniqueRows = new FormData();
    fdUniqueRows.left = new FormAttachment(middle, 0);
    fdUniqueRows.top = new FormAttachment(wCompress, margin);
    fdUniqueRows.right = new FormAttachment(100, 0);
    wUniqueRows.setLayoutData(fdUniqueRows);
    wUniqueRows.addSelectionListener(new ComponentSelectionListener(input));
    wOK = new Button(shell, SWT.PUSH);
    wOK.setText(BaseMessages.getString(PKG, "System.Button.OK"));
    wGet = new Button(shell, SWT.PUSH);
    wGet.setText(BaseMessages.getString(PKG, "System.Button.GetFields"));
    wCancel = new Button(shell, SWT.PUSH);
    wCancel.setText(BaseMessages.getString(PKG, "System.Button.Cancel"));
    setButtonPositions(new Button[] { wOK, wCancel, wGet }, margin, null);
    // Table with fields to sort and sort direction
    wlFields = new Label(shell, SWT.NONE);
    wlFields.setText(BaseMessages.getString(PKG, "SortRowsDialog.Fields.Label"));
    props.setLook(wlFields);
    fdlFields = new FormData();
    fdlFields.left = new FormAttachment(0, 0);
    fdlFields.top = new FormAttachment(wUniqueRows, margin);
    wlFields.setLayoutData(fdlFields);
    final int FieldsRows = input.getFieldName().length;
    colinf = new ColumnInfo[] { new ColumnInfo(BaseMessages.getString(PKG, "SortRowsDialog.Fieldname.Column"), ColumnInfo.COLUMN_TYPE_CCOMBO, new String[] { "" }, false), new ColumnInfo(BaseMessages.getString(PKG, "SortRowsDialog.Ascending.Column"), ColumnInfo.COLUMN_TYPE_CCOMBO, new String[] { BaseMessages.getString(PKG, "System.Combo.Yes"), BaseMessages.getString(PKG, "System.Combo.No") }), new ColumnInfo(BaseMessages.getString(PKG, "SortRowsDialog.CaseInsensitive.Column"), ColumnInfo.COLUMN_TYPE_CCOMBO, new String[] { BaseMessages.getString(PKG, "System.Combo.Yes"), BaseMessages.getString(PKG, "System.Combo.No") }), new ColumnInfo(BaseMessages.getString(PKG, "SortRowsDialog.CollatorDisabled.Column"), ColumnInfo.COLUMN_TYPE_CCOMBO, new String[] { BaseMessages.getString(PKG, "System.Combo.Yes"), BaseMessages.getString(PKG, "System.Combo.No") }), new ColumnInfo(BaseMessages.getString(PKG, "SortRowsDialog.CollatorStrength.Column"), ColumnInfo.COLUMN_TYPE_CCOMBO, new String[] { BaseMessages.getString(PKG, "System.Combo.Primary"), BaseMessages.getString(PKG, "System.Combo.Secondary"), BaseMessages.getString(PKG, "System.Combo.Tertiary"), BaseMessages.getString(PKG, "System.Combo.Identical") }, true), new ColumnInfo(BaseMessages.getString(PKG, "SortRowsDialog.PreSortedField.Column"), ColumnInfo.COLUMN_TYPE_CCOMBO, new String[] { BaseMessages.getString(PKG, "System.Combo.Yes"), BaseMessages.getString(PKG, "System.Combo.No") }) };
    wFields = new TableView(transMeta, shell, SWT.BORDER | SWT.FULL_SELECTION | SWT.MULTI, colinf, FieldsRows, lsMod, props);
    fdFields = new FormData();
    fdFields.left = new FormAttachment(0, 0);
    fdFields.top = new FormAttachment(wlFields, margin);
    fdFields.right = new FormAttachment(100, 0);
    fdFields.bottom = new FormAttachment(wOK, -2 * margin);
    wFields.setLayoutData(fdFields);
    // 
    // Search the fields in the background
    final Runnable runnable = new Runnable() {

        @Override
        public void run() {
            StepMeta stepMeta = transMeta.findStep(stepname);
            if (stepMeta != null) {
                try {
                    RowMetaInterface row = transMeta.getPrevStepFields(stepMeta);
                    // Remember these fields...
                    for (int i = 0; i < row.size(); i++) {
                        inputFields.put(row.getValueMeta(i).getName(), Integer.valueOf(i));
                    }
                    setComboBoxes();
                } catch (KettleException e) {
                    logError(BaseMessages.getString(PKG, "System.Dialog.GetFieldsFailed.Message"));
                }
            }
        }
    };
    new Thread(runnable).start();
    // Add listeners
    lsOK = new Listener() {

        @Override
        public void handleEvent(Event e) {
            ok();
        }
    };
    lsGet = new Listener() {

        @Override
        public void handleEvent(Event e) {
            get();
        }
    };
    lsCancel = new Listener() {

        @Override
        public void handleEvent(Event e) {
            cancel();
        }
    };
    wOK.addListener(SWT.Selection, lsOK);
    wGet.addListener(SWT.Selection, lsGet);
    wCancel.addListener(SWT.Selection, lsCancel);
    lsDef = new SelectionAdapter() {

        @Override
        public void widgetDefaultSelected(SelectionEvent e) {
            ok();
        }
    };
    wStepname.addSelectionListener(lsDef);
    wSortDir.addSelectionListener(lsDef);
    wPrefix.addSelectionListener(lsDef);
    wSortSize.addSelectionListener(lsDef);
    wFreeMemory.addSelectionListener(lsDef);
    // Detect X or ALT-F4 or something that kills this window...
    shell.addShellListener(new ShellAdapter() {

        @Override
        public void shellClosed(ShellEvent e) {
            cancel();
        }
    });
    lsResize = new Listener() {

        @Override
        public void handleEvent(Event event) {
            Point size = shell.getSize();
            wFields.setSize(size.x - 10, size.y - 50);
            wFields.table.setSize(size.x - 10, size.y - 50);
            wFields.redraw();
        }
    };
    shell.addListener(SWT.Resize, lsResize);
    // Set the shell size, based upon previous time...
    setSize();
    getData();
    input.setChanged(changed);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) {
            display.sleep();
        }
    }
    return stepname;
}

Example 43 with RowMetaInterface

use of org.pentaho.di.core.row.RowMetaInterface in project pentaho-kettle by pentaho.

the class SortedMergeDialog method open.

public String open() {
    Shell parent = getParent();
    Display display = parent.getDisplay();
    shell = new Shell(parent, SWT.DIALOG_TRIM | SWT.RESIZE | SWT.MIN | SWT.MAX);
    props.setLook(shell);
    setShellImage(shell, input);
    ModifyListener lsMod = new ModifyListener() {

        public void modifyText(ModifyEvent e) {
            input.setChanged();
        }
    };
    changed = input.hasChanged();
    FormLayout formLayout = new FormLayout();
    formLayout.marginWidth = Const.FORM_MARGIN;
    formLayout.marginHeight = Const.FORM_MARGIN;
    shell.setLayout(formLayout);
    shell.setText(BaseMessages.getString(PKG, "SortedMergeDialog.Shell.Title"));
    int middle = props.getMiddlePct();
    int margin = Const.MARGIN;
    // Stepname line
    wlStepname = new Label(shell, SWT.RIGHT);
    wlStepname.setText(BaseMessages.getString(PKG, "SortedMergeDialog.Stepname.Label"));
    props.setLook(wlStepname);
    fdlStepname = new FormData();
    fdlStepname.left = new FormAttachment(0, 0);
    fdlStepname.right = new FormAttachment(middle, -margin);
    fdlStepname.top = new FormAttachment(0, margin);
    wlStepname.setLayoutData(fdlStepname);
    wStepname = new Text(shell, SWT.SINGLE | SWT.LEFT | SWT.BORDER);
    wStepname.setText(stepname);
    props.setLook(wStepname);
    wStepname.addModifyListener(lsMod);
    fdStepname = new FormData();
    fdStepname.left = new FormAttachment(middle, 0);
    fdStepname.top = new FormAttachment(0, margin);
    fdStepname.right = new FormAttachment(100, 0);
    wStepname.setLayoutData(fdStepname);
    // Some buttons
    wOK = new Button(shell, SWT.PUSH);
    wOK.setText(BaseMessages.getString(PKG, "System.Button.OK"));
    wGet = new Button(shell, SWT.PUSH);
    wGet.setText(BaseMessages.getString(PKG, "System.Button.GetFields"));
    wCancel = new Button(shell, SWT.PUSH);
    wCancel.setText(BaseMessages.getString(PKG, "System.Button.Cancel"));
    setButtonPositions(new Button[] { wOK, wCancel, wGet }, margin, null);
    wlFields = new Label(shell, SWT.NONE);
    wlFields.setText(BaseMessages.getString(PKG, "SortedMergeDialog.Fields.Label"));
    props.setLook(wlFields);
    fdlFields = new FormData();
    fdlFields.left = new FormAttachment(0, 0);
    fdlFields.top = new FormAttachment(wStepname, margin);
    wlFields.setLayoutData(fdlFields);
    final int FieldsCols = 2;
    final int FieldsRows = input.getFieldName().length;
    colinf = new ColumnInfo[FieldsCols];
    colinf[0] = new ColumnInfo(BaseMessages.getString(PKG, "SortedMergeDialog.Fieldname.Column"), ColumnInfo.COLUMN_TYPE_CCOMBO, new String[] { "" }, false);
    colinf[1] = new ColumnInfo(BaseMessages.getString(PKG, "SortedMergeDialog.Ascending.Column"), ColumnInfo.COLUMN_TYPE_CCOMBO, new String[] { BaseMessages.getString(PKG, "System.Combo.Yes"), BaseMessages.getString(PKG, "System.Combo.No") });
    wFields = new TableView(transMeta, shell, SWT.BORDER | SWT.FULL_SELECTION | SWT.MULTI, colinf, FieldsRows, lsMod, props);
    fdFields = new FormData();
    fdFields.left = new FormAttachment(0, 0);
    fdFields.top = new FormAttachment(wlFields, margin);
    fdFields.right = new FormAttachment(100, 0);
    fdFields.bottom = new FormAttachment(wOK, -2 * margin);
    wFields.setLayoutData(fdFields);
    // 
    // Search the fields in the background
    final Runnable runnable = new Runnable() {

        public void run() {
            StepMeta stepMeta = transMeta.findStep(stepname);
            if (stepMeta != null) {
                try {
                    RowMetaInterface row = transMeta.getPrevStepFields(stepMeta);
                    // Remember these fields...
                    for (int i = 0; i < row.size(); i++) {
                        inputFields.put(row.getValueMeta(i).getName(), Integer.valueOf(i));
                    }
                    setComboBoxes();
                } catch (KettleException e) {
                    logError(BaseMessages.getString(PKG, "System.Dialog.GetFieldsFailed.Message"));
                }
            }
        }
    };
    new Thread(runnable).start();
    // Add listeners
    wCancel.addListener(SWT.Selection, new Listener() {

        public void handleEvent(Event e) {
            cancel();
        }
    });
    wGet.addListener(SWT.Selection, new Listener() {

        public void handleEvent(Event e) {
            get();
        }
    });
    wOK.addListener(SWT.Selection, new Listener() {

        public void handleEvent(Event e) {
            ok();
        }
    });
    lsDef = new SelectionAdapter() {

        public void widgetDefaultSelected(SelectionEvent e) {
            ok();
        }
    };
    wStepname.addSelectionListener(lsDef);
    // Detect X or ALT-F4 or something that kills this window...
    shell.addShellListener(new ShellAdapter() {

        public void shellClosed(ShellEvent e) {
            cancel();
        }
    });
    // Set the shell size, based upon previous time...
    setSize();
    getData();
    input.setChanged(changed);
    shell.open();
    while (!shell.isDisposed()) {
        if (!display.readAndDispatch()) {
            display.sleep();
        }
    }
    return stepname;
}

Example 44 with RowMetaInterface

use of org.pentaho.di.core.row.RowMetaInterface in project pentaho-kettle by pentaho.

the class SQLFileOutputDialog method sql.

// Generate code for create table...
// Conversions done by Database
// 
private void sql() {
    try {
        SQLFileOutputMeta info = new SQLFileOutputMeta();
        getInfo(info);
        RowMetaInterface prev = transMeta.getPrevStepFields(stepname);
        StepMeta stepMeta = transMeta.findStep(stepname);
        SQLStatement sql = info.getSQLStatements(transMeta, stepMeta, prev, repository, metaStore);
        if (!sql.hasError()) {
            if (sql.hasSQL()) {
                SQLEditor sqledit = new SQLEditor(transMeta, shell, SWT.NONE, info.getDatabaseMeta(), transMeta.getDbCache(), sql.getSQL());
                sqledit.open();
            } else {
                MessageBox mb = new MessageBox(shell, SWT.OK | SWT.ICON_INFORMATION);
                mb.setMessage(BaseMessages.getString(PKG, "SQLFileOutputDialog.NoSQL.DialogMessage"));
                mb.setText(BaseMessages.getString(PKG, "SQLFileOutputDialog.NoSQL.DialogTitle"));
                mb.open();
            }
        } else {
            MessageBox mb = new MessageBox(shell, SWT.OK | SWT.ICON_ERROR);
            mb.setMessage(sql.getError());
            mb.setText(BaseMessages.getString(PKG, "System.Dialog.Error.Title"));
            mb.open();
        }
    } catch (KettleException ke) {
        new ErrorDialog(shell, BaseMessages.getString(PKG, "SQLFileOutputDialog.BuildSQLError.DialogTitle"), BaseMessages.getString(PKG, "SQLFileOutputDialog.BuildSQLError.DialogMessage"), ke);
    }
}

Example 45 with RowMetaInterface

use of org.pentaho.di.core.row.RowMetaInterface in project pentaho-kettle by pentaho.

the class StreamLookupDialog method getlookup.

private void getlookup() {
    try {
        String stepFrom = wStep.getText();
        if (!Utils.isEmpty(stepFrom)) {
            RowMetaInterface r = transMeta.getStepFields(stepFrom);
            if (r != null && !r.isEmpty()) {
                BaseStepDialog.getFieldsFromPrevious(r, wReturn, 1, new int[] { 1 }, new int[] { 4 }, -1, -1, null);
            } else {
                MessageBox mb = new MessageBox(shell, SWT.OK | SWT.ICON_ERROR);
                mb.setMessage(BaseMessages.getString(PKG, "StreamLookupDialog.CouldNotFindFields.DialogMessage"));
                mb.setText(BaseMessages.getString(PKG, "StreamLookupDialog.CouldNotFindFields.DialogTitle"));
                mb.open();
            }
        } else {
            MessageBox mb = new MessageBox(shell, SWT.OK | SWT.ICON_ERROR);
            mb.setMessage(BaseMessages.getString(PKG, "StreamLookupDialog.StepNameRequired.DialogMessage"));
            mb.setText(BaseMessages.getString(PKG, "StreamLookupDialog.StepNameRequired.DialogTitle"));
            mb.open();
        }
    } catch (KettleException ke) {
        new ErrorDialog(shell, BaseMessages.getString(PKG, "StreamLookupDialog.FailedToGetFields.DialogTitle"), BaseMessages.getString(PKG, "StreamLookupDialog.FailedToGetFields.DialogMessage"), ke);
    }
}