/*******************************************************************************
* Pentaho Data Science
* <p/>
* Copyright (c) 2002-2017 Hitachi Vantara. All rights reserved.
* <p/>
* ******************************************************************************
* <p/>
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* <p/>
* http://www.apache.org/licenses/LICENSE-2.0
* <p/>
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
package org.pentaho.di.ui.trans.steps.cpythonscriptexecutor;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CTabFolder;
import org.eclipse.swt.custom.CTabItem;
import org.eclipse.swt.events.FocusAdapter;
import org.eclipse.swt.events.FocusEvent;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.ShellAdapter;
import org.eclipse.swt.events.ShellEvent;
import org.eclipse.swt.layout.FormAttachment;
import org.eclipse.swt.layout.FormData;
import org.eclipse.swt.layout.FormLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.TableItem;
import org.eclipse.swt.widgets.Text;
import org.pentaho.di.core.Const;
import org.pentaho.di.core.Props;
import org.pentaho.di.core.exception.KettleException;
import org.pentaho.di.core.exception.KettlePluginException;
import org.pentaho.di.core.row.RowMeta;
import org.pentaho.di.core.row.RowMetaInterface;
import org.pentaho.di.core.row.ValueMetaInterface;
import org.pentaho.di.core.row.value.ValueMetaFactory;
import org.pentaho.di.i18n.BaseMessages;
import org.pentaho.di.trans.TransMeta;
import org.pentaho.di.trans.step.BaseStepMeta;
import org.pentaho.di.trans.step.StepDialogInterface;
import org.pentaho.di.trans.step.StepMeta;
import org.pentaho.di.trans.step.errorhandling.StreamInterface;
import org.pentaho.di.trans.steps.cpythonscriptexecutor.CPythonScriptExecutorMeta;
import org.pentaho.di.ui.core.dialog.ErrorDialog;
import org.pentaho.di.ui.core.dialog.ShowMessageDialog;
import org.pentaho.di.ui.core.gui.GUIResource;
import org.pentaho.di.ui.core.widget.ColumnInfo;
import org.pentaho.di.ui.core.widget.ComboVar;
import org.pentaho.di.ui.core.widget.StyledTextComp;
import org.pentaho.di.ui.core.widget.TableView;
import org.pentaho.di.ui.core.widget.TextVar;
import org.pentaho.di.ui.trans.step.BaseStepDialog;
import org.pentaho.python.PythonSession;
import java.util.ArrayList;
import java.util.List;
/**
* Dialog for the CPythonScriptExecutor step
*
* @author Mark Hall (mhall{[at]}pentaho{[dot]}com)
*/
public class CPythonScriptExecutorDialog extends BaseStepDialog implements StepDialogInterface {
private static Class<?> PKG = CPythonScriptExecutorMeta.class;
private CTabFolder wctfContainer;
private CTabItem wctiConfig, wctiScript, wctiFields;
private Composite wcConfig, wcScript, wcFields;
/**
* Configure tab
*/
private Group wgRowHandling, wgOptions;
//row handling group
private Label wlRowsToProcess, wlRowsToProcessSize, wlReservoirSampling, wlReservoirSamplingSize, wlRandomSeed;
private ComboVar wcvRowsToProcess;
private TextVar wtvRowsToProcessSize, wtvReservoirSamplingSize, wtvRandomSeed;
private Button wbReservoirSampling;
//options group
private Label wlIncludeInputAsOutput, wlContinueOnUnsetVars;
private Button wbIncludeInputAsOutput, wbContinueOnUnsetVars;
//table
private TableView wtvInputFrames;
/**
* Script tab
*/
private Label wlLoadScriptFile, wlScriptLocation, wlScript;
private Button wbLoadScriptFile, wbScriptBrowse;
private TextVar wtvScriptLocation;
private StyledTextComp wstcScriptEditor;
/**
* Fields tab
*/
// TODO move vars to get to the script tab??
private Label wlPyVarsToGet;
private TextVar wtvPyVarsToGet;
private Label wlOutputFields;
private TableView wtvOutputFields;
private Button wbVarsToFields;
private Button wbGetFields;
private Button wbIncludeRowIndex;
private FormData fd;
private Control lastControl;
//constants
private static final int FIRST_LABEL_RIGHT_PERCENTAGE = 35;
private static final int FIRST_PROMPT_RIGHT_PERCENTAGE = 55;
private static final int SECOND_LABEL_RIGHT_PERCENTAGE = 65;
private static final int SECOND_PROMPT_RIGHT_PERCENTAGE = 80;
private static final int MARGIN = Const.MARGIN;
private static int MIDDLE;
protected CPythonScriptExecutorMeta m_inputMeta;
protected CPythonScriptExecutorMeta m_originalMeta;
//listeners
ModifyListener simpleModifyListener = new ModifyListener() {
@Override public void modifyText( ModifyEvent e ) {
m_inputMeta.setChanged();
}
};
SelectionAdapter simpleSelectionAdapter = new SelectionAdapter() {
@Override public void widgetDefaultSelected( SelectionEvent e ) {
ok();
}
};
public CPythonScriptExecutorDialog( Shell parent, Object inMeta, TransMeta tr, String sname ) {
super( parent, (BaseStepMeta) inMeta, tr, sname );
m_inputMeta = (CPythonScriptExecutorMeta) inMeta;
m_originalMeta = (CPythonScriptExecutorMeta) m_inputMeta.clone();
}
@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, m_inputMeta );
changed = m_inputMeta.hasChanged();
FormLayout formLayout = new FormLayout();
formLayout.marginWidth = Const.FORM_MARGIN;
formLayout.marginHeight = Const.FORM_MARGIN;
shell.setLayout( formLayout );
shell.setText( BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.Shell.Title" ) ); //$NON-NLS-1$
MIDDLE = props.getMiddlePct();
// Stepname line
wlStepname = new Label( shell, SWT.RIGHT );
wlStepname.setText( BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.Stepname.Label" ) ); //$NON-NLS-1$
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( simpleModifyListener );
fdStepname = new FormData();
fdStepname.left = new FormAttachment( MIDDLE, 0 );
fdStepname.top = new FormAttachment( 0, MARGIN );
fdStepname.right = new FormAttachment( 100, 0 );
wStepname.setLayoutData( fdStepname );
lastControl = wStepname;
wctfContainer = new CTabFolder( shell, SWT.BORDER );
props.setLook( wctfContainer, Props.WIDGET_STYLE_TAB );
wctfContainer.setSimple( false );
addConfigureTab();
addScriptTab();
addFieldsTab();
// checkPython();
fd = new FormData();
fd.left = new FormAttachment( 0, 0 );
fd.top = new FormAttachment( wStepname, MARGIN );
fd.right = new FormAttachment( 100, 0 );
fd.bottom = new FormAttachment( 100, -50 );
wctfContainer.setLayoutData( fd );
// some buttons
wOK = new Button( shell, SWT.PUSH );
wOK.setText( BaseMessages.getString( PKG, "System.Button.OK" ) ); //$NON-NLS-1$
wOK.addListener( SWT.Selection, new Listener() {
@Override public void handleEvent( Event e ) {
ok();
}
} );
wCancel = new Button( shell, SWT.PUSH );
wCancel.setText( BaseMessages.getString( PKG, "System.Button.Cancel" ) ); //$NON-NLS-1$
wCancel.addListener( SWT.Selection, new Listener() {
@Override public void handleEvent( Event e ) {
cancel();
}
} );
setButtonPositions( new Button[] { wOK, wCancel }, MARGIN, null );
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();
}
} );
getData( m_inputMeta );
m_inputMeta.setChanged( changed );
wctfContainer.setSelection( 0 );
// Set the shell size, based upon previous time...
setSize();
shell.open();
while ( !shell.isDisposed() ) {
if ( !display.readAndDispatch() ) {
display.sleep();
}
}
return stepname;
}
private void checkPython() {
if ( !PythonSession.pythonAvailable() ) {
// try initializing
try {
if ( !PythonSession.initSession( "python", transMeta, log ) ) {
String envEvalResults = PythonSession.getPythonEnvCheckResults();
logError(
"Was unable to start the python environment:\n\n" + ( envEvalResults != null ? envEvalResults : "" ) );
}
} catch ( KettleException ex ) {
logError( "Was unable to start the python environment:", ex );
}
}
}
private void addConfigureTab() {
wctiConfig = new CTabItem( wctfContainer, SWT.NONE );
wctiConfig.setText( BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.ConfigTab.TabTitle" ) );
wcConfig = new Composite( wctfContainer, SWT.NONE );
props.setLook( wcConfig );
FormLayout wflConfig = new FormLayout();
wflConfig.marginWidth = 3;
wflConfig.marginHeight = 3;
wcConfig.setLayout( wflConfig );
addRowHandlingGroup();
addOptionsGroup();
// Input Frames Label
Label inputFramesLab = new Label( wcConfig, SWT.RIGHT );
inputFramesLab.setText( BaseMessages.getString( PKG, "CPythonScriptExecutor.InputFrames.Label" ) );
props.setLook( inputFramesLab );
fd = new FormData();
fd.left = new FormAttachment( 0, 0 );
fd.top = new FormAttachment( wgOptions, MARGIN );
inputFramesLab.setLayoutData( fd );
lastControl = inputFramesLab;
// table
ColumnInfo[]
colinf =
new ColumnInfo[] {
new ColumnInfo( BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.FrameNames.StepName" ),
ColumnInfo.COLUMN_TYPE_CCOMBO, false ),
new ColumnInfo( BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.FrameNames.FrameName" ),
ColumnInfo.COLUMN_TYPE_TEXT, false ) };
String[] previousSteps = transMeta.getPrevStepNames( stepname );
if ( previousSteps != null ) {
colinf[0].setComboValues( previousSteps );
}
wtvInputFrames =
new TableView( transMeta, wcConfig, SWT.FULL_SELECTION | SWT.MULTI, colinf, 1, simpleModifyListener, props );
fd = new FormData();
fd.top = new FormAttachment( lastControl, MARGIN );
fd.bottom = new FormAttachment( 100, -MARGIN * 2 );
fd.left = new FormAttachment( 0, 0 );
fd.right = new FormAttachment( 100, 0 );
wtvInputFrames.setLayoutData( fd );
fd = new FormData();
fd.left = new FormAttachment( 0, 0 );
fd.top = new FormAttachment( 0, 0 );
fd.right = new FormAttachment( 100, -MARGIN * 2 );
fd.bottom = new FormAttachment( 100, 0 );
wcConfig.setLayoutData( fd );
wcConfig.layout();
wctiConfig.setControl( wcConfig );
}
private void addScriptTab() {
wctiScript = new CTabItem( wctfContainer, SWT.NONE );
wctiScript.setText( BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.ScriptTab.TabTitle" ) ); //$NON-NLS-1$
wcScript = new Composite( wctfContainer, SWT.NONE );
props.setLook( wcScript );
FormLayout scriptLayout = new FormLayout();
scriptLayout.marginWidth = 3;
scriptLayout.marginHeight = 3;
wcScript.setLayout( scriptLayout );
wlLoadScriptFile = new Label( wcScript, SWT.RIGHT );
props.setLook( wlLoadScriptFile );
wlLoadScriptFile
.setText( BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.LoadScript.Label" ) ); //$NON-NLS-1$
wlLoadScriptFile.setLayoutData( getFirstLabelFormData() );
wbLoadScriptFile = new Button( wcScript, SWT.CHECK );
props.setLook( wbLoadScriptFile );
FormData fd = getFirstPromptFormData( wlLoadScriptFile );
fd.right = null;
wbLoadScriptFile.setLayoutData( fd );
wbLoadScriptFile.setToolTipText( BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.LoadScript.TipText" ) );
lastControl = wbLoadScriptFile;
wbLoadScriptFile.addSelectionListener( new SelectionAdapter() {
@Override public void widgetSelected( SelectionEvent e ) {
checkWidgets();
}
} );
wlScriptLocation = new Label( wcScript, SWT.RIGHT );
props.setLook( wlScriptLocation );
wlScriptLocation.setText( BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.ScriptFile.Label" ) );
wlScriptLocation.setLayoutData( getFirstLabelFormData() );
wbScriptBrowse = new Button( wcScript, SWT.PUSH | SWT.CENTER );
wbScriptBrowse.setText( BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.Browse.Button" ) );
props.setLook( wbScriptBrowse );
fd = new FormData();
fd.right = new FormAttachment( 100, -MARGIN );
fd.top = new FormAttachment( lastControl, MARGIN );
wbScriptBrowse.setLayoutData( fd );
wbScriptBrowse.addSelectionListener( new SelectionAdapter() {
@Override public void widgetSelected( SelectionEvent e ) {
FileDialog dialog = new FileDialog( shell, SWT.OPEN );
if ( !Const.isEmpty( wtvScriptLocation.getText() ) ) {
dialog.setFileName( transMeta.environmentSubstitute( wtvScriptLocation.getText() ) );
}
if ( dialog.open() != null ) {
wtvScriptLocation
.setText( dialog.getFilterPath() + System.getProperty( "file.separator" ) + dialog.getFileName() );
}
}
} );
wtvScriptLocation = new TextVar( transMeta, wcScript, SWT.SINGLE | SWT.LEFT | SWT.BORDER );
props.setLook( wtvScriptLocation );
fd = new FormData();
fd.left = new FormAttachment( wlScriptLocation, MARGIN );
fd.top = new FormAttachment( lastControl, MARGIN );
fd.right = new FormAttachment( wbScriptBrowse, -MARGIN );
wtvScriptLocation.setLayoutData( fd );
lastControl = wtvScriptLocation;
wlScript = new Label( wcScript, SWT.LEFT );
props.setLook( wlScript );
wlScript.setText( BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.ManualScript.Label" ) );
fd = new FormData();
fd.left = new FormAttachment( 0, 0 );
fd.top = new FormAttachment( lastControl, MARGIN );
wlScript.setLayoutData( fd );
lastControl = wlScript;
wstcScriptEditor =
new StyledTextComp( transMeta, wcScript, SWT.MULTI | SWT.LEFT | SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL, "" );
props.setLook( wstcScriptEditor, Props.WIDGET_STYLE_FIXED );
wlContinueOnUnsetVars = new Label( wcScript, SWT.RIGHT );
props.setLook( wlContinueOnUnsetVars );
wlContinueOnUnsetVars.setText( "Continue on unset variables" );
wlContinueOnUnsetVars.setToolTipText(
"Don't raise an error if specified variables are not set in python after " + "script has executed" );
fd = new FormData();
fd.bottom = new FormAttachment( 100, -MARGIN * 2 );
fd.left = new FormAttachment( 0, 0 );
fd.right = new FormAttachment( FIRST_LABEL_RIGHT_PERCENTAGE, 0 );
wlContinueOnUnsetVars.setLayoutData( fd );
wbContinueOnUnsetVars = new Button( wcScript, SWT.CHECK );
props.setLook( wbContinueOnUnsetVars );
fd = new FormData();
fd.left = new FormAttachment( wlContinueOnUnsetVars, MARGIN );
fd.right = new FormAttachment( SECOND_PROMPT_RIGHT_PERCENTAGE, 0 );
fd.bottom = new FormAttachment( 100, -MARGIN * 2 );
wbContinueOnUnsetVars.setLayoutData( fd );
wlPyVarsToGet = new Label( wcScript, SWT.RIGHT );
props.setLook( wlPyVarsToGet );
wlPyVarsToGet.setText( "Python Variables to Get:" );
fd = new FormData();
fd.left = new FormAttachment( 0, 0 );
fd.right = new FormAttachment( FIRST_LABEL_RIGHT_PERCENTAGE, 0 );
fd.bottom = new FormAttachment( wbContinueOnUnsetVars, -MARGIN );
wlPyVarsToGet.setLayoutData( fd );
wtvPyVarsToGet = new TextVar( transMeta, wcScript, SWT.SINGLE | SWT.LEAD | SWT.BORDER );
props.setLook( wtvPyVarsToGet );
fd = new FormData();
fd.left = new FormAttachment( wlPyVarsToGet, MARGIN );
fd.right = new FormAttachment( SECOND_PROMPT_RIGHT_PERCENTAGE, 0 );
fd.bottom = new FormAttachment( wbContinueOnUnsetVars, -MARGIN );
wtvPyVarsToGet.setLayoutData( fd );
wtvPyVarsToGet.addFocusListener( new FocusAdapter() {
@Override public void focusLost( FocusEvent e ) {
super.focusLost( e );
String currVars = wtvPyVarsToGet.getText();
if ( !Const.isEmpty( currVars ) ) {
List<String> varList = stringToList( currVars );
wbGetFields.setEnabled( varList.size() == 1 );
wbIncludeRowIndex.setEnabled( varList.size() == 1 );
}
}
} );
/* Button wTestScriptScript = new Button( wcScript, SWT.PUSH );
wTestScriptScript.setText( BaseMessages.getString( PKG, "RScriptExecutorDialog.TestScript.Button" ) );
wTestScriptScript.setToolTipText(
BaseMessages.getString( PKG, "RScriptExecutorDialog.TestScript.Button.TipText" ) );
fd = new FormData();
fd.bottom = new FormAttachment( 100, -MARGIN * 2 );
fd.left = new FormAttachment( 0, 0 );
wTestScriptScript.setLayoutData( fd );
wTestScriptScript.addListener( SWT.Selection, new Listener() {
@Override
public void handleEvent( Event e ) {
CPythonScriptExecutorMeta meta = new CPythonScriptExecutorMeta();
getInfo( meta );
testScript( meta );
}
} ); */
wstcScriptEditor.addModifyListener( simpleModifyListener );
fd = new FormData();
fd.left = new FormAttachment( 0, 0 );
fd.top = new FormAttachment( lastControl, MARGIN );
fd.right = new FormAttachment( 100, -2 * MARGIN );
// TODO might have to fix this bottom setting somehow
fd.bottom = new FormAttachment( wtvPyVarsToGet, -MARGIN );
wstcScriptEditor.setLayoutData( fd );
fd = new FormData();
fd.left = new FormAttachment( 0, 0 );
fd.top = new FormAttachment( 0, 0 );
fd.right = new FormAttachment( 100, 0 );
// TODO might have to fix this bottom setting somehow
fd.bottom = new FormAttachment( wtvPyVarsToGet, 0 );
wcScript.setLayoutData( fd );
wcScript.layout();
wctiScript.setControl( wcScript );
}
private void addFieldsTab() {
// --- fields tab
wctiFields = new CTabItem( wctfContainer, SWT.NONE );
wctiFields.setText( BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.FieldsTab.TabTitle" ) ); //$NON-NLS-1$
wcFields = new Composite( wctfContainer, SWT.NONE );
props.setLook( wcFields );
FormLayout fieldsLayout = new FormLayout();
fieldsLayout.marginWidth = 3;
fieldsLayout.marginHeight = 3;
wcFields.setLayout( fieldsLayout );
wlOutputFields = new Label( wcFields, SWT.LEFT );
wlOutputFields
.setText( BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.OutFields.Label" ) ); //$NON-NLS-1$
props.setLook( wlOutputFields );
fd = new FormData();
fd.left = new FormAttachment( 0, 0 );
fd.right = new FormAttachment( MIDDLE, -MARGIN );
fd.top = new FormAttachment( 0, MARGIN );
wlOutputFields.setLayoutData( fd );
lastControl = wlOutputFields;
wbVarsToFields = new Button( wcFields, SWT.PUSH );
wbVarsToFields
.setText( BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.VarsToFields.Button" ) ); //$NON-NLS-1$
wbVarsToFields.setToolTipText(
BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.VarsToFields.Button.TipText" ) ); //$NON-NLS-1$
fd = new FormData();
fd.bottom = new FormAttachment( 100, -MARGIN * 2 );
fd.left = new FormAttachment( 0, 0 );
wbVarsToFields.setLayoutData( fd );
wbVarsToFields.addListener( SWT.Selection, new Listener() {
@Override public void handleEvent( Event event ) {
CPythonScriptExecutorMeta meta = new CPythonScriptExecutorMeta();
setData( meta );
varsToTableFields( meta );
}
} );
wbGetFields = new Button( wcFields, SWT.PUSH );
wbGetFields.setText( BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.GetFrameFields.Button" ) );
wbGetFields
.setToolTipText( BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.GetFrameFields.Button.TipText" ) );
fd = new FormData();
fd.bottom = new FormAttachment( 100, -MARGIN * 2 );
fd.left = new FormAttachment( wbVarsToFields, MARGIN * 2 );
wbGetFields.setLayoutData( fd );
wbGetFields.addListener( SWT.Selection, new Listener() {
@Override public void handleEvent( Event event ) {
CPythonScriptExecutorMeta meta = new CPythonScriptExecutorMeta();
setData( meta );
getFrameFields( meta );
}
} );
wbGetFields.setEnabled( false );
Label wlIncludeRowIndex = new Label( wcFields, SWT.RIGHT );
props.setLook( wlIncludeRowIndex );
fd = new FormData();
fd.bottom = new FormAttachment( 100, -MARGIN * 2 );
fd.left = new FormAttachment( wbGetFields, MARGIN * 2 );
wlIncludeRowIndex.setLayoutData( fd );
wbIncludeRowIndex = new Button( wcFields, SWT.CHECK );
wbIncludeRowIndex
.setText( BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.IncludeFrameRowIndex.Button" ) );
fd = new FormData();
fd.bottom = new FormAttachment( 100, -MARGIN * 2 );
fd.left = new FormAttachment( wlIncludeRowIndex, MARGIN * 2 );
wbIncludeRowIndex.setLayoutData( fd );
wbIncludeRowIndex.setEnabled( false );
// table
ColumnInfo[]
colinf2 =
new ColumnInfo[] { new ColumnInfo( BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.OutFields.Name" ),
ColumnInfo.COLUMN_TYPE_TEXT, false ),
new ColumnInfo( BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.OutFields.Type" ),
ColumnInfo.COLUMN_TYPE_CCOMBO, /*ValueMeta.getAllTypes()*/ ValueMetaFactory.getAllValueMetaNames(), false ) };
wtvOutputFields =
new TableView( transMeta, wcFields, SWT.FULL_SELECTION | SWT.MULTI, colinf2, 1, simpleModifyListener, props );
fd = new FormData();
fd.top = new FormAttachment( lastControl, MARGIN * 2 );
fd.bottom = new FormAttachment( wbVarsToFields, -MARGIN * 2 );
fd.left = new FormAttachment( 0, 0 );
fd.right = new FormAttachment( 100, 0 );
wtvOutputFields.setLayoutData( fd );
fd = new FormData();
fd.left = new FormAttachment( 0, 0 );
fd.top = new FormAttachment( 0, 0 );
fd.right = new FormAttachment( 100, 0 );
fd.bottom = new FormAttachment( 100, 0 );
wcFields.setLayoutData( fd );
wcFields.layout();
wctiFields.setControl( wcFields );
}
private void addRowHandlingGroup() {
wgRowHandling = new Group( wcConfig, SWT.SHADOW_NONE );
props.setLook( wgRowHandling );
wgRowHandling.setText( BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.ConfigTab.RowHandlingGroup" ) );
FormLayout wglRowHandling = new FormLayout();
wglRowHandling.marginWidth = 10;
wglRowHandling.marginHeight = 10;
wgRowHandling.setLayout( wglRowHandling );
fd = new FormData();
fd.left = new FormAttachment( 0, 0 );
fd.right = new FormAttachment( 100, 0 );
fd.top = new FormAttachment( 0, 0 );
wgRowHandling.setLayoutData( fd );
addRowsToProcessControllers(); // Number of Rows to Process
addReservoirSamplingControllers(); // Reservoir Sampling
addRandomSeedControllers(); // Random Seed
}
private void getFrameFields( CPythonScriptExecutorMeta meta ) {
try {
meta.setOutputFields( new RowMeta() );
List<String> frameNames = meta.getFrameNames();
List<StreamInterface> infoStreams = meta.getStepIOMeta().getInfoStreams();
List<RowMetaInterface> incomingMetas = new ArrayList<RowMetaInterface>();
if ( frameNames.size() > 0 && infoStreams.size() > 0 ) {
for ( int i = 0; i < infoStreams.size(); i++ ) {
incomingMetas.add( transMeta.getStepFields( infoStreams.get( i ).getStepMeta() ) );
}
}
ShowMessageDialog
smd =
new ShowMessageDialog( this.getParent(), SWT.YES | SWT.NO | SWT.ICON_WARNING,
BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.GetFields.Dialog.Title" ),
BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.GetFields.Dialog.Message" ), false );
int buttonID = smd.open();
if ( buttonID == SWT.YES ) {
RowMetaInterface rowMeta = new RowMeta();
meta.getFields( rowMeta, "bogus", incomingMetas.toArray( new RowMetaInterface[incomingMetas.size()] ), null,
transMeta, null, null );
wtvOutputFields.clearAll();
for ( int i = 0; i < rowMeta.size(); i++ ) {
TableItem item = new TableItem( wtvOutputFields.table, SWT.NONE );
item.setText( 1, Const.NVL( rowMeta.getValueMeta( i ).getName(), "" ) );
item.setText( 2, Const.NVL( rowMeta.getValueMeta( i ).getTypeDesc(), "" ) );
}
wtvOutputFields.removeEmptyRows();
wtvOutputFields.setRowNums();
wtvOutputFields.optWidth( true );
}
} catch ( KettleException ex ) {
new ErrorDialog( shell, stepname, BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.ErrorGettingFields" ),
ex );
}
}
private void addRowsToProcessControllers() {
wlRowsToProcess = new Label( wgRowHandling, SWT.RIGHT );
wlRowsToProcess.setText( BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.NumberOfRowsToProcess.Label" ) );
props.setLook( wlRowsToProcess );
fd = new FormData();
fd.left = new FormAttachment( 0, 0 );
fd.right = new FormAttachment( FIRST_LABEL_RIGHT_PERCENTAGE, 0 );
fd.top = new FormAttachment( lastControl, MARGIN );
wlRowsToProcess.setLayoutData( getFirstLabelFormData() );
wcvRowsToProcess = new ComboVar( transMeta, wgRowHandling, SWT.BORDER | SWT.READ_ONLY );
props.setLook( wcvRowsToProcess );
wcvRowsToProcess.setEditable( false );
wcvRowsToProcess.addSelectionListener( new SelectionAdapter() {
@Override public void widgetSelected( SelectionEvent e ) {
m_inputMeta.setChanged();
handleRowsToProcessChange();
if ( wtvInputFrames.getItemCount() > 1 && wbReservoirSampling.getSelection() && wcvRowsToProcess.getText()
.equals( BaseMessages.getString( PKG,
"CPythonScriptExecutorDialog.NumberOfRowsToProcess.Dropdown.RowByRowEntry.Label" ) ) ) {
ShowMessageDialog
smd =
new ShowMessageDialog( shell, SWT.OK | SWT.ICON_WARNING,
BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.RowByRowWarning.Title" ),
BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.RowByRowWarning.Message" ), false );
smd.open();
}
}
} );
wcvRowsToProcess.setLayoutData( getFirstPromptFormData( wlRowsToProcess ) );
wcvRowsToProcess.add(
BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.NumberOfRowsToProcess.Dropdown.AllEntry.Label" ) );
wcvRowsToProcess.add( BaseMessages
.getString( PKG, "CPythonScriptExecutorDialog.NumberOfRowsToProcess.Dropdown.RowByRowEntry.Label" ) );
wcvRowsToProcess.add(
BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.NumberOfRowsToProcess.Dropdown.BatchEntry.Label" ) );
wcvRowsToProcess.setToolTipText(
BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.NumberOfRowsToProcess.Dropdown.TipText" ) );
wlRowsToProcessSize = new Label( wgRowHandling, SWT.RIGHT );
wlRowsToProcessSize
.setText( BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.NumberOfRowsToProcess.Size.Label" ) );
props.setLook( wlRowsToProcessSize );
wlRowsToProcessSize.setLayoutData( getSecondLabelFormData( wcvRowsToProcess ) );
wtvRowsToProcessSize = new TextVar( transMeta, wgRowHandling, SWT.SINGLE | SWT.LEAD | SWT.BORDER );
props.setLook( wtvRowsToProcessSize );
wtvRowsToProcessSize.addModifyListener( simpleModifyListener );
wtvRowsToProcessSize.setLayoutData( getSecondPromptFormData( wlRowsToProcessSize ) );
wtvRowsToProcessSize.setEnabled( false );
lastControl = wtvRowsToProcessSize;
wtvRowsToProcessSize.setToolTipText(
BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.NumberOfRowsToProcess.Size.TipText" ) );
}
private void addReservoirSamplingControllers() {
//reservoir sampling
wlReservoirSampling = new Label( wgRowHandling, SWT.RIGHT );
wlReservoirSampling.setText( BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.ReservoirSampling.Label" ) );
props.setLook( wlReservoirSampling );
wlReservoirSampling.setLayoutData( getFirstLabelFormData() );
wbReservoirSampling = new Button( wgRowHandling, SWT.CHECK );
props.setLook( wbReservoirSampling );
FormData fd = getFirstPromptFormData( wlReservoirSampling );
fd.right = null;
wbReservoirSampling.setLayoutData( fd );
wbReservoirSampling.addSelectionListener( new SelectionAdapter() {
@Override public void widgetSelected( SelectionEvent e ) {
m_inputMeta.setChanged();
handleReservoirSamplingChange();
if ( wtvInputFrames.getItemCount() > 1 && wbReservoirSampling.getSelection() && wcvRowsToProcess.getText()
.equals( BaseMessages.getString( PKG,
"CPythonScriptExecutorDialog.NumberOfRowsToProcess.Dropdown.RowByRowEntry.Label" ) ) ) {
ShowMessageDialog
smd =
new ShowMessageDialog( shell, SWT.OK | SWT.ICON_WARNING,
BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.RowByRowWarning.Title" ),
BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.RowByRowWarning.Message" ), false );
smd.open();
}
}
} );
wbReservoirSampling
.setToolTipText( BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.ReservoirSampling.TipText" ) );
wlReservoirSamplingSize = new Label( wgRowHandling, SWT.RIGHT );
wlReservoirSamplingSize
.setText( BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.ReservoirSampling.Size.Label" ) );
props.setLook( wlReservoirSamplingSize );
wlReservoirSamplingSize.setLayoutData( getSecondLabelFormData( wbReservoirSampling ) );
wtvReservoirSamplingSize = new TextVar( transMeta, wgRowHandling, SWT.SINGLE | SWT.LEFT | SWT.BORDER );
wtvReservoirSamplingSize
.setToolTipText( BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.ReservoirSampling.Size.TipText" ) );
props.setLook( wtvReservoirSamplingSize );
wtvReservoirSamplingSize.setLayoutData( getSecondPromptFormData( wlReservoirSamplingSize ) );
wtvReservoirSamplingSize.setEnabled( false );
lastControl = wtvReservoirSamplingSize;
wtvReservoirSamplingSize.addModifyListener( new ModifyListener() {
@Override public void modifyText( ModifyEvent e ) {
m_inputMeta.setChanged();
}
} );
}
private void addRandomSeedControllers() {
// random seed
wlRandomSeed = new Label( wgRowHandling, SWT.RIGHT );
wlRandomSeed.setText( BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.Seed.Label" ) );
props.setLook( wlRandomSeed );
wlRandomSeed.setLayoutData( getFirstLabelFormData() );
wtvRandomSeed = new TextVar( transMeta, wgRowHandling, SWT.SINGLE | SWT.LEAD | SWT.BORDER );
props.setLook( wtvRandomSeed );
wtvRandomSeed.addModifyListener( simpleModifyListener );
wtvRandomSeed.setLayoutData( getFirstPromptFormData( wlRandomSeed ) );
lastControl = wtvRandomSeed;
wtvRandomSeed.setToolTipText( BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.Seed.TipText" ) );
}
/**
* Handles the change of the dropdown and performs the enable/disable of size, reservoir sampling and reservoir
* sampling size
*/
private void handleRowsToProcessChange() {
//check and disable the size input if batch isn't selected
String wcvRowsToProcessValue = wcvRowsToProcess.getText();
if ( wcvRowsToProcessValue.equals( BaseMessages
.getString( PKG, "CPythonScriptExecutorDialog.NumberOfRowsToProcess.Dropdown.BatchEntry.Label" ) ) ) {
wtvRowsToProcessSize.setEnabled( true );
setItemText( wtvRowsToProcessSize, m_originalMeta.getRowsToProcessSize() );
//reset the other controllers
wbReservoirSampling.setEnabled( false );
wbReservoirSampling.setSelection( false );
wtvReservoirSamplingSize.setEnabled( false );
wtvReservoirSamplingSize.setText( "" );
wtvRandomSeed.setEnabled( false );
wtvRandomSeed.setText( "" );
} else if ( wcvRowsToProcessValue.equals(
BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.NumberOfRowsToProcess.Dropdown.AllEntry.Label" ) ) ) {
wtvRowsToProcessSize.setEnabled( false );
wtvRowsToProcessSize.setText( "" );
//reset the other controllers
wbReservoirSampling.setEnabled( true );
wbReservoirSampling.setSelection( m_originalMeta.getDoingReservoirSampling() );
wtvReservoirSamplingSize.setEnabled( wbReservoirSampling.getSelection() );
setItemText( wtvReservoirSamplingSize, m_originalMeta.getReservoirSamplingSize() );
wtvRandomSeed.setEnabled( m_originalMeta.getDoingReservoirSampling() );
wtvRandomSeed.setText( m_originalMeta.getRandomSeed() == null ? "" : m_originalMeta.getRandomSeed());
} else if ( wcvRowsToProcessValue.equals( BaseMessages
.getString( PKG, "CPythonScriptExecutorDialog.NumberOfRowsToProcess.Dropdown.RowByRowEntry.Label" ) ) ) {
wtvRowsToProcessSize.setEnabled( false );
wtvRowsToProcessSize.setText( "" );
//reset the other controllers
wbReservoirSampling.setEnabled( true );
wbReservoirSampling.setSelection( m_originalMeta.getDoingReservoirSampling() );
wtvReservoirSamplingSize.setEnabled( wbReservoirSampling.getSelection() );
setItemText(wtvReservoirSamplingSize, m_originalMeta.getReservoirSamplingSize() );
wtvRandomSeed.setEnabled( m_originalMeta.getDoingReservoirSampling() );
setItemText( wtvRandomSeed, m_originalMeta.getRandomSeed() );
}
}
private void addOptionsGroup() {
// add second group
wgOptions = new Group( wcConfig, SWT.SHADOW_NONE );
props.setLook( wgOptions );
wgOptions.setText( BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.ConfigTab.OptionsGroup" ) );
FormLayout optionsGroupLayout = new FormLayout();
optionsGroupLayout.marginWidth = 10;
optionsGroupLayout.marginHeight = 10;
wgOptions.setLayout( optionsGroupLayout );
FormData fd = new FormData();
fd.left = new FormAttachment( 0, 0 );
fd.right = new FormAttachment( 100, 0 );
fd.top = new FormAttachment( wgRowHandling, MARGIN );
wgOptions.setLayoutData( fd );
addIncludeInputInOutputControllers();
}
private void addIncludeInputInOutputControllers() {
// Input Fields as Output Fields
wlIncludeInputAsOutput = new Label( wgOptions, SWT.RIGHT );
wlIncludeInputAsOutput.setText( BaseMessages.getString( PKG, "CPythonScriptExecutor.InputFieldAsOutput.Label" ) );
props.setLook( wlIncludeInputAsOutput );
wlIncludeInputAsOutput.setLayoutData( getFirstLabelFormData() );
wbIncludeInputAsOutput = new Button( wgOptions, SWT.CHECK );
props.setLook( wbIncludeInputAsOutput );
FormData fd = getFirstPromptFormData( wlIncludeInputAsOutput );
fd.right = null;
wbIncludeInputAsOutput.setLayoutData( fd );
lastControl = wbIncludeInputAsOutput;
wbIncludeInputAsOutput.addSelectionListener( new SelectionAdapter() {
@Override public void widgetSelected( SelectionEvent e ) {
if ( wbIncludeInputAsOutput.getSelection() ) {
ShowMessageDialog
smd =
new ShowMessageDialog( getParent(), SWT.OK | SWT.ICON_WARNING,
BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.InputFieldAsOutput.Dialog.Title" ),
BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.InputFieldAsOutput.Dialog.Message" ),
false );
smd.open();
}
m_inputMeta.setChanged();
}
} );
wbIncludeInputAsOutput
.setToolTipText( BaseMessages.getString( PKG, "CPythonScriptExecutor.InputFieldAsOutput.TipText" ) );
}
protected void getData( CPythonScriptExecutorMeta meta ) {
wcvRowsToProcess.setText( meta.getRowsToProcess() );
setItemText( wtvRowsToProcessSize, meta.getRowsToProcessSize() );
wbReservoirSampling.setSelection( meta.getDoingReservoirSampling() );
setItemText( wtvReservoirSamplingSize, meta.getReservoirSamplingSize() );
setItemText( wtvRandomSeed, meta.getRandomSeed());
wbIncludeInputAsOutput.setSelection( meta.getIncludeInputAsOutput() );
setItemText(wtvPyVarsToGet, listToString( meta.getPythonVariablesToGet() ) );
wbContinueOnUnsetVars.setSelection( meta.getContinueOnUnsetVars() );
wstcScriptEditor.setText( meta.getScript() == null ? "" : meta.getScript() ); //$NON-NLS-1$
wbLoadScriptFile.setSelection( meta.getLoadScriptAtRuntime() );
setItemText(wtvScriptLocation, meta.getScriptToLoad());
wbIncludeRowIndex.setSelection( meta.getIncludeFrameRowIndexAsOutputField() );
setInputToFramesTableFields( meta );
setOutputFieldsTableFields( meta );
checkWidgets();
handleRowsToProcessChange();
handleReservoirSamplingChange();
}
private void varsToTableFields( CPythonScriptExecutorMeta meta ) {
// List<RowMetaInterface> incomingMetas;
RowMetaInterface incomingMetas = new RowMeta();
if ( meta.getIncludeInputAsOutput() ) {
List<String> frameNames = meta.getFrameNames();
List<StreamInterface> infoStreams = meta.getStepIOMeta().getInfoStreams();
if ( frameNames.size() > 0 && infoStreams.size() > 0 ) {
// incomingMetas = new ArrayList<RowMetaInterface>();
try {
for ( int i = 0; i < infoStreams.size(); i++ ) {
incomingMetas.addRowMeta( transMeta.getStepFields( infoStreams.get( i ).getStepMeta() ) );
}
} catch ( KettleException e ) {
new ErrorDialog( shell, stepname,
BaseMessages.getString( PKG, "CPythonScriptExecutorDialog.ErrorGettingFields" ), e );
return;
}
}
}
wtvOutputFields.clearAll();
if ( incomingMetas.size() > 0 ) {
for ( ValueMetaInterface vm : incomingMetas.getValueMetaList() ) {
TableItem item = new TableItem( wtvOutputFields.table, SWT.NONE );
item.setText( 1, Const.NVL( vm.getName(), "" ) );
item.setText( 2, Const.NVL( vm.getTypeDesc(), "" ) );
}
}
String vars = wtvPyVarsToGet.getText();
if ( !Const.isEmpty( vars ) ) {
String[] vA = vars.split( "," );
if ( vA.length > 0 ) {
for ( String var : vA ) {
TableItem item = new TableItem( wtvOutputFields.table, SWT.NONE );
item.setText( 1, Const.NVL( var.trim(), "" ) );
item.setText( 2, "String" );
}
wtvOutputFields.removeEmptyRows();
wtvOutputFields.setRowNums();
wtvOutputFields.optWidth( true );
}
}
}
private List<String> stringToList( String list ) {
List<String> result = new ArrayList<String>();
for ( String s : list.split( "," ) ) {
if ( !Const.isEmpty( s.trim() ) ) {
result.add( s.trim() );
}
}
return result;
}
private String listToString( List<String> list ) {
StringBuilder b = new StringBuilder();
for ( String s : list ) {
b.append( s ).append( "," );
}
if ( b.length() > 0 ) {
b.setLength( b.length() - 1 );
}
return b.toString();
}
private void setData( CPythonScriptExecutorMeta meta ) {
meta.setRowsToProcess( wcvRowsToProcess.getText() );
meta.setRowsToProcessSize( wtvRowsToProcessSize.getText() );
meta.setDoingReservoirSampling( wbReservoirSampling.getSelection() );
meta.setReservoirSamplingSize( wtvReservoirSamplingSize.getText() );
meta.setRandomSeed( wtvRandomSeed.getText() );
meta.setContinueOnUnsetVars( wbContinueOnUnsetVars.getSelection() );
meta.setPythonVariablesToGet( stringToList( wtvPyVarsToGet.getText() ) );
meta.setIncludeInputAsOutput( wbIncludeInputAsOutput.getSelection() );
meta.setScript( wstcScriptEditor.getText() );
meta.setLoadScriptAtRuntime( wbLoadScriptFile.getSelection() );
meta.setScriptToLoad( wtvScriptLocation.getText() );
meta.setIncludeFrameRowIndexAsOutputField( wbIncludeRowIndex.getSelection() );
// incoming stream/frame name data from table
int numNonEmpty = wtvInputFrames.nrNonEmpty();
List<String> frameNames = new ArrayList<String>();
List<String> stepNames = new ArrayList<String>();
meta.clearStepIOMeta();
for ( int i = 0; i < numNonEmpty; i++ ) {
TableItem item = wtvInputFrames.getNonEmpty( i );
String stepName = item.getText( 1 ).trim();
String frameName = item.getText( 2 ).trim();
if ( !Const.isEmpty( stepName ) ) {
if ( Const.isEmpty( frameName ) ) {
frameName = CPythonScriptExecutorMeta.DEFAULT_FRAME_NAME_PREFIX + i;
}
frameNames.add( frameName );
stepNames.add( stepName );
}
}
meta.setFrameNames( frameNames );
List<StreamInterface> infoStreams = meta.getStepIOMeta().getInfoStreams();
for ( int i = 0; i < infoStreams.size(); i++ ) {
StepMeta m = transMeta.findStep( stepNames.get( i ) );
if ( m != null ) {
System.err.println( "Found step: " + m.getName() ); //$NON-NLS-1$
}
infoStreams.get( i ).setStepMeta( transMeta.findStep( stepNames.get( i ) ) );
}
// output field data from table
numNonEmpty = wtvOutputFields.nrNonEmpty();
RowMetaInterface outRM = numNonEmpty > 0 ? new RowMeta() : null;
for ( int i = 0; i < numNonEmpty; i++ ) {
TableItem item = wtvOutputFields.getNonEmpty( i );
String name = item.getText( 1 ).trim();
String type = item.getText( 2 ).trim();
if ( !Const.isEmpty( name ) && !Const.isEmpty( type ) ) {
//ValueMetaInterface vm = new ValueMeta( name, ValueMeta.getType( type ) );
ValueMetaInterface vm;
try {
vm = ValueMetaFactory.createValueMeta( name, ValueMetaFactory.getIdForValueMeta( type ) );
outRM.addValueMeta( vm );
} catch ( KettlePluginException e ) {
e.printStackTrace();
}
}
}
meta.setOutputFields( outRM );
}
private void handleReservoirSamplingChange() {
wtvReservoirSamplingSize.setEnabled( wbReservoirSampling.getSelection() );
wtvRandomSeed.setEnabled( wbReservoirSampling.getSelection() );
}
protected void checkWidgets() {
wtvScriptLocation.setEnabled( wbLoadScriptFile.getSelection() );
wstcScriptEditor.setEnabled( !wbLoadScriptFile.getSelection() );
if ( wbLoadScriptFile.getSelection() ) {
wtvScriptLocation.setEditable( true );
wstcScriptEditor.getStyledText().setBackground( GUIResource.getInstance().getColorDemoGray() );
} else {
wtvScriptLocation.setEditable( false );
wstcScriptEditor.getStyledText().setBackground( GUIResource.getInstance().getColorWhite() );
}
wbScriptBrowse.setEnabled( wbLoadScriptFile.getSelection() );
String currVars = wtvPyVarsToGet.getText();
if ( !Const.isEmpty( currVars ) ) {
List<String> varList = stringToList( currVars );
wbGetFields.setEnabled( varList.size() == 1 );
wbIncludeRowIndex.setEnabled( varList.size() == 1 );
}
}
protected void setInputToFramesTableFields( CPythonScriptExecutorMeta meta ) {
List<String> frameNames = meta.getFrameNames();
List<StreamInterface> infoStreams = meta.getStepIOMeta().getInfoStreams();
wtvInputFrames.clearAll();
for ( int i = 0; i < infoStreams.size(); i++ ) {
String stepName = infoStreams.get( i ).getStepname();
String frameName = frameNames.get( i );
TableItem item = new TableItem( wtvInputFrames.table, SWT.NONE );
item.setText( 1, Const.NVL( stepName, "" ) ); //$NON-NLS-1$
item.setText( 2, Const.NVL( frameName, "" ) ); //$NON-NLS-1$
}
wtvInputFrames.removeEmptyRows();
wtvInputFrames.setRowNums();
wtvInputFrames.optWidth( true );
}
protected void setOutputFieldsTableFields( CPythonScriptExecutorMeta meta ) {
RowMetaInterface outFields = meta.getOutputFields();
if ( outFields != null && outFields.size() > 0 ) {
for ( int i = 0; i < outFields.size(); i++ ) {
ValueMetaInterface vm = outFields.getValueMeta( i );
String name = vm.getName();
String type = vm.getTypeDesc();
TableItem item = new TableItem( wtvOutputFields.table, SWT.NONE );
item.setText( 1, Const.NVL( name, "" ) ); //$NON-NLS-1$
item.setText( 2, Const.NVL( type, "" ) ); //$NON-NLS-1$
}
wtvOutputFields.removeEmptyRows();
wtvOutputFields.setRowNums();
wtvOutputFields.optWidth( true );
}
}
private void cancel() {
stepname = null;
m_inputMeta.setChanged( changed );
dispose();
}
/**
* Ok general method
*/
private void ok() {
if ( Const.isEmpty( wStepname.getText() ) ) {
return;
}
stepname = wStepname.getText(); // return value
setData( m_inputMeta );
if ( !m_originalMeta.equals( m_inputMeta ) ) {
m_inputMeta.setChanged();
changed = m_inputMeta.hasChanged();
}
dispose();
}
private FormData getFirstLabelFormData() {
FormData fd = new FormData();
fd.left = new FormAttachment( 0, 0 );
fd.right = new FormAttachment( FIRST_LABEL_RIGHT_PERCENTAGE, 0 );
fd.top = new FormAttachment( lastControl, MARGIN );
return fd;
}
private FormData getSecondLabelFormData( Control prevControl ) {
FormData fd = new FormData();
fd.left = new FormAttachment( prevControl, 0 );
fd.right = new FormAttachment( SECOND_LABEL_RIGHT_PERCENTAGE, 0 );
fd.top = new FormAttachment( lastControl, MARGIN );
return fd;
}
private FormData getFirstPromptFormData( Control prevControl ) {
FormData fd = new FormData();
fd.left = new FormAttachment( prevControl, MARGIN );
fd.right = new FormAttachment( FIRST_PROMPT_RIGHT_PERCENTAGE, 0 );
fd.top = new FormAttachment( lastControl, MARGIN );
return fd;
}
private FormData getSecondPromptFormData( Control prevControl ) {
FormData fd = new FormData();
fd.left = new FormAttachment( prevControl, MARGIN );
fd.top = new FormAttachment( lastControl, MARGIN );
fd.right = new FormAttachment( SECOND_PROMPT_RIGHT_PERCENTAGE, 0 );
return fd;
}
/**
* SWT TextVar's throw IllegalArgumentExceptions for null. Defend against this.
*
* @param item - A TextVar, but could be generalized as needed.
* @param value - Value to set
*/
private void setItemText(TextVar item, String value) {
item.setText(value == null ? "": value);
}
}
