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

Example 1 with RowMetaInterface

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

the class BaseStepDialog method getFieldsFromPrevious.

/**
 * Gets fields from previous steps and populate a ComboVar.
 *
 * @param comboVar  the Combo Box (with Variables) to populate
 * @param transMeta the transformation metadata
 * @param stepMeta  the step metadata
 */
public static final void getFieldsFromPrevious(ComboVar comboVar, TransMeta transMeta, StepMeta stepMeta) {
    String selectedField = null;
    int indexField = -1;
    try {
        RowMetaInterface r = transMeta.getPrevStepFields(stepMeta);
        selectedField = comboVar.getText();
        comboVar.removeAll();
        if (r != null && !r.isEmpty()) {
            r.getFieldNames();
            comboVar.setItems(r.getFieldNames());
            indexField = r.indexOfValue(selectedField);
        }
        // Select value if possible...
        if (indexField > -1) {
            comboVar.select(indexField);
        } else {
            if (selectedField != null) {
                comboVar.setText(selectedField);
            }
        }
    } catch (KettleException ke) {
        new ErrorDialog(comboVar.getShell(), BaseMessages.getString(PKG, "BaseStepDialog.FailedToGetFieldsPrevious.DialogTitle"), BaseMessages.getString(PKG, "BaseStepDialog.FailedToGetFieldsPrevious.DialogMessage"), ke);
    }
}

Example 2 with RowMetaInterface

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

the class CalculatorDialog method open.

@Override
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, currentMeta);
    ModifyListener lsMod = new ModifyListener() {

        @Override
        public void modifyText(ModifyEvent e) {
            currentMeta.setChanged();
        }
    };
    changed = currentMeta.hasChanged();
    FormLayout formLayout = new FormLayout();
    formLayout.marginWidth = Const.FORM_MARGIN;
    formLayout.marginHeight = Const.FORM_MARGIN;
    shell.setLayout(formLayout);
    shell.setText(BaseMessages.getString(PKG, "CalculatorDialog.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);
    wlFields = new Label(shell, SWT.NONE);
    wlFields.setText(BaseMessages.getString(PKG, "CalculatorDialog.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 FieldsRows = currentMeta.getCalculation() != null ? currentMeta.getCalculation().length : 1;
    colinf = new ColumnInfo[] { new ColumnInfo(BaseMessages.getString(PKG, "CalculatorDialog.NewFieldColumn.Column"), ColumnInfo.COLUMN_TYPE_TEXT, false), new ColumnInfo(BaseMessages.getString(PKG, "CalculatorDialog.CalculationColumn.Column"), ColumnInfo.COLUMN_TYPE_TEXT, false), new ColumnInfo(BaseMessages.getString(PKG, "CalculatorDialog.FieldAColumn.Column"), ColumnInfo.COLUMN_TYPE_CCOMBO, new String[] { "" }, false), new ColumnInfo(BaseMessages.getString(PKG, "CalculatorDialog.FieldBColumn.Column"), ColumnInfo.COLUMN_TYPE_CCOMBO, new String[] { "" }, false), new ColumnInfo(BaseMessages.getString(PKG, "CalculatorDialog.FieldCColumn.Column"), ColumnInfo.COLUMN_TYPE_CCOMBO, new String[] { "" }, false), new ColumnInfo(BaseMessages.getString(PKG, "CalculatorDialog.ValueTypeColumn.Column"), ColumnInfo.COLUMN_TYPE_CCOMBO, ValueMetaFactory.getValueMetaNames()), new ColumnInfo(BaseMessages.getString(PKG, "CalculatorDialog.LengthColumn.Column"), ColumnInfo.COLUMN_TYPE_TEXT, false), new ColumnInfo(BaseMessages.getString(PKG, "CalculatorDialog.PrecisionColumn.Column"), ColumnInfo.COLUMN_TYPE_TEXT, false), new ColumnInfo(BaseMessages.getString(PKG, "CalculatorDialog.RemoveColumn.Column"), ColumnInfo.COLUMN_TYPE_CCOMBO, new String[] { BaseMessages.getString(PKG, "System.Combo.No"), BaseMessages.getString(PKG, "System.Combo.Yes") }), new ColumnInfo(BaseMessages.getString(PKG, "CalculatorDialog.ConversionMask.Column"), ColumnInfo.COLUMN_TYPE_FORMAT, 6), new ColumnInfo(BaseMessages.getString(PKG, "CalculatorDialog.DecimalSymbol.Column"), ColumnInfo.COLUMN_TYPE_TEXT, false), new ColumnInfo(BaseMessages.getString(PKG, "CalculatorDialog.GroupingSymbol.Column"), ColumnInfo.COLUMN_TYPE_TEXT, false), new ColumnInfo(BaseMessages.getString(PKG, "CalculatorDialog.CurrencySymbol.Column"), ColumnInfo.COLUMN_TYPE_TEXT, false) };
    colinf[1].setSelectionAdapter(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            EnterSelectionDialog esd = new EnterSelectionDialog(shell, CalculatorMetaFunction.calcLongDesc, BaseMessages.getString(PKG, "CalculatorDialog.SelectCalculationType.Title"), BaseMessages.getString(PKG, "CalculatorDialog.SelectCalculationType.Message"));
            String string = esd.open();
            if (string != null) {
                TableView tv = (TableView) e.widget;
                tv.setText(string, e.x, e.y);
                currentMeta.setChanged();
            }
        }
    });
    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(100, -50);
    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, "CalculatorDialog.Log.UnableToFindInput"));
                }
            }
        }
    };
    new Thread(runnable).start();
    wFields.addModifyListener(new ModifyListener() {

        @Override
        public void modifyText(ModifyEvent arg0) {
            // Now set the combo's
            shell.getDisplay().asyncExec(new Runnable() {

                @Override
                public void run() {
                    setComboBoxes();
                }
            });
        }
    });
    // Some buttons
    wOK = new Button(shell, SWT.PUSH);
    wOK.setText(BaseMessages.getString(PKG, "System.Button.OK"));
    wCancel = new Button(shell, SWT.PUSH);
    wCancel.setText(BaseMessages.getString(PKG, "System.Button.Cancel"));
    setButtonPositions(new Button[] { wOK, wCancel }, margin, null);
    // Add listeners
    lsCancel = new Listener() {

        @Override
        public void handleEvent(Event e) {
            cancel();
        }
    };
    lsOK = new Listener() {

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

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

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

Example 3 with RowMetaInterface

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

the class ChangeFileEncodingDialog method get.

private void get() {
    if (!gotPreviousFields) {
        try {
            String filefield = wFileName.getText();
            String targetfilefield = wTargetFileName.getText();
            wFileName.removeAll();
            wTargetFileName.removeAll();
            RowMetaInterface r = transMeta.getPrevStepFields(stepname);
            if (r != null) {
                wFileName.setItems(r.getFieldNames());
                wTargetFileName.setItems(r.getFieldNames());
            }
            if (filefield != null) {
                wFileName.setText(filefield);
            }
            if (targetfilefield != null) {
                wTargetFileName.setText(targetfilefield);
            }
        } catch (KettleException ke) {
            new ErrorDialog(shell, BaseMessages.getString(PKG, "ChangeFileEncodingDialog.FailedToGetFields.DialogTitle"), BaseMessages.getString(PKG, "ChangeFileEncodingDialog.FailedToGetFields.DialogMessage"), ke);
        }
        gotPreviousFields = true;
    }
}

Example 4 with RowMetaInterface

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

the class ConcatFieldsDialog method get.

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

                @Override
                public boolean tableItemInserted(TableItem tableItem, ValueMetaInterface v) {
                    if (v.isNumber()) {
                        if (v.getLength() > 0) {
                            int le = v.getLength();
                            int pr = v.getPrecision();
                            if (v.getPrecision() <= 0) {
                                pr = 0;
                            }
                            String mask = "";
                            for (int m = 0; m < le - pr; m++) {
                                mask += "0";
                            }
                            if (pr > 0) {
                                mask += ".";
                            }
                            for (int m = 0; m < pr; m++) {
                                mask += "0";
                            }
                            tableItem.setText(3, mask);
                        }
                    }
                    return true;
                }
            };
            BaseStepDialog.getFieldsFromPrevious(r, wFields, 1, new int[] { 1 }, new int[] { 2 }, 4, 5, listener);
        }
    } catch (KettleException ke) {
        new ErrorDialog(shell, BaseMessages.getString(PKG, "System.Dialog.GetFieldsFailed.Title"), BaseMessages.getString(PKG, "System.Dialog.GetFieldsFailed.Message"), ke);
    }
}

Example 5 with RowMetaInterface

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

the class CreditCardValidatorDialog method get.

private void get() {
    if (!gotPreviousFields) {
        try {
            String columnName = wFieldName.getText();
            wFieldName.removeAll();
            RowMetaInterface r = transMeta.getPrevStepFields(stepname);
            if (r != null) {
                r.getFieldNames();
                for (int i = 0; i < r.getFieldNames().length; i++) {
                    wFieldName.add(r.getFieldNames()[i]);
                }
            }
            wFieldName.setText(columnName);
            gotPreviousFields = true;
        } catch (KettleException ke) {
            new ErrorDialog(shell, BaseMessages.getString(PKG, "CreditCardValidatorDialog.FailedToGetFields.DialogTitle"), BaseMessages.getString(PKG, "CreditCardValidatorDialog.FailedToGetFields.DialogMessage"), ke);
        }
    }
}