/*! ******************************************************************************
*
* Pentaho Data Integration
*
* Copyright (C) 2002-2016 by Pentaho : http://www.pentaho.com
*
*******************************************************************************
*
* 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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
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package org.pentaho.di.ui.trans.steps.uniquerows;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.dialogs.MessageDialogWithToggle;
import org.eclipse.swt.SWT;
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.Display;
import org.eclipse.swt.widgets.Event;
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.util.Utils;
import org.pentaho.di.core.exception.KettleException;
import org.pentaho.di.core.row.RowMetaInterface;
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.steps.uniquerows.UniqueRowsMeta;
import org.pentaho.di.ui.core.dialog.ErrorDialog;
import org.pentaho.di.ui.core.gui.GUIResource;
import org.pentaho.di.ui.core.widget.ColumnInfo;
import org.pentaho.di.ui.core.widget.TableView;
import org.pentaho.di.ui.core.widget.TextVar;
import org.pentaho.di.ui.trans.step.BaseStepDialog;
public class UniqueRowsDialog extends BaseStepDialog implements StepDialogInterface {
private static Class<?> PKG = UniqueRowsMeta.class; // for i18n purposes, needed by Translator2!!
public static final String STRING_SORT_WARNING_PARAMETER = "UniqueSortWarning";
private UniqueRowsMeta input;
private Label wlCount;
private Button wCount;
private FormData fdlCount, fdCount;
private Label wlCountField;
private Text wCountField;
private FormData fdlCountField, fdCountField;
private Label wlFields;
private TableView wFields;
private FormData fdlFields, fdFields;
private ColumnInfo[] colinf;
private Map<String, Integer> inputFields;
private Label wlRejectDuplicateRow;
private Button wRejectDuplicateRow;
private FormData fdlRejectDuplicateRow, fdRejectDuplicateRow;
private Label wlErrorDesc;
private TextVar wErrorDesc;
private FormData fdlErrorDesc, fdErrorDesc;
private Group wSettings;
private FormData fdSettings;
public UniqueRowsDialog( Shell parent, Object in, TransMeta transMeta, String sname ) {
super( parent, (BaseStepMeta) in, transMeta, sname );
input = (UniqueRowsMeta) in;
inputFields = new HashMap<String, Integer>();
}
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, "UniqueRowsDialog.Shell.Title" ) );
int middle = props.getMiddlePct();
int margin = Const.MARGIN;
// Stepname line
wlStepname = new Label( shell, SWT.RIGHT );
wlStepname.setText( BaseMessages.getString( PKG, "UniqueRowsDialog.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 );
// ///////////////////////////////
// START OF Settings GROUP //
// ///////////////////////////////
wSettings = new Group( shell, SWT.SHADOW_NONE );
props.setLook( wSettings );
wSettings.setText( BaseMessages.getString( PKG, "UniqueRowsDialog.Settings.Label" ) );
FormLayout SettingsgroupLayout = new FormLayout();
SettingsgroupLayout.marginWidth = 10;
SettingsgroupLayout.marginHeight = 10;
wSettings.setLayout( SettingsgroupLayout );
wlCount = new Label( wSettings, SWT.RIGHT );
wlCount.setText( BaseMessages.getString( PKG, "UniqueRowsDialog.Count.Label" ) );
props.setLook( wlCount );
fdlCount = new FormData();
fdlCount.left = new FormAttachment( 0, 0 );
fdlCount.top = new FormAttachment( wStepname, margin );
fdlCount.right = new FormAttachment( middle, -margin );
wlCount.setLayoutData( fdlCount );
wCount = new Button( wSettings, SWT.CHECK );
props.setLook( wCount );
wCount.setToolTipText( BaseMessages.getString( PKG, "UniqueRowsDialog.Count.ToolTip", Const.CR ) );
fdCount = new FormData();
fdCount.left = new FormAttachment( middle, 0 );
fdCount.top = new FormAttachment( wStepname, margin );
wCount.setLayoutData( fdCount );
wCount.addSelectionListener( new SelectionAdapter() {
public void widgetSelected( SelectionEvent e ) {
input.setChanged();
setFlags();
}
} );
wlCountField = new Label( wSettings, SWT.LEFT );
wlCountField.setText( BaseMessages.getString( PKG, "UniqueRowsDialog.CounterField.Label" ) );
props.setLook( wlCountField );
fdlCountField = new FormData();
fdlCountField.left = new FormAttachment( wCount, margin );
fdlCountField.top = new FormAttachment( wStepname, margin );
wlCountField.setLayoutData( fdlCountField );
wCountField = new Text( wSettings, SWT.SINGLE | SWT.LEFT | SWT.BORDER );
props.setLook( wCountField );
wCountField.addModifyListener( lsMod );
fdCountField = new FormData();
fdCountField.left = new FormAttachment( wlCountField, margin );
fdCountField.top = new FormAttachment( wStepname, margin );
fdCountField.right = new FormAttachment( 100, 0 );
wCountField.setLayoutData( fdCountField );
wlRejectDuplicateRow = new Label( wSettings, SWT.RIGHT );
wlRejectDuplicateRow.setText( BaseMessages.getString( PKG, "UniqueRowsDialog.RejectDuplicateRow.Label" ) );
props.setLook( wlRejectDuplicateRow );
fdlRejectDuplicateRow = new FormData();
fdlRejectDuplicateRow.left = new FormAttachment( 0, 0 );
fdlRejectDuplicateRow.top = new FormAttachment( wCountField, margin );
fdlRejectDuplicateRow.right = new FormAttachment( middle, -margin );
wlRejectDuplicateRow.setLayoutData( fdlRejectDuplicateRow );
wRejectDuplicateRow = new Button( wSettings, SWT.CHECK );
props.setLook( wRejectDuplicateRow );
wRejectDuplicateRow.setToolTipText( BaseMessages.getString(
PKG, "UniqueRowsDialog.RejectDuplicateRow.ToolTip", Const.CR ) );
fdRejectDuplicateRow = new FormData();
fdRejectDuplicateRow.left = new FormAttachment( middle, margin );
fdRejectDuplicateRow.top = new FormAttachment( wCountField, margin );
wRejectDuplicateRow.setLayoutData( fdRejectDuplicateRow );
wRejectDuplicateRow.addSelectionListener( new SelectionAdapter() {
public void widgetSelected( SelectionEvent e ) {
input.setChanged();
setErrorDesc();
}
} );
wlErrorDesc = new Label( wSettings, SWT.LEFT );
wlErrorDesc.setText( BaseMessages.getString( PKG, "UniqueRowsDialog.ErrorDescription.Label" ) );
props.setLook( wlErrorDesc );
fdlErrorDesc = new FormData();
fdlErrorDesc.left = new FormAttachment( wRejectDuplicateRow, margin );
fdlErrorDesc.top = new FormAttachment( wCountField, margin );
wlErrorDesc.setLayoutData( fdlErrorDesc );
wErrorDesc = new TextVar( transMeta, wSettings, SWT.SINGLE | SWT.LEFT | SWT.BORDER );
props.setLook( wErrorDesc );
wErrorDesc.addModifyListener( lsMod );
fdErrorDesc = new FormData();
fdErrorDesc.left = new FormAttachment( wlErrorDesc, margin );
fdErrorDesc.top = new FormAttachment( wCountField, margin );
fdErrorDesc.right = new FormAttachment( 100, 0 );
wErrorDesc.setLayoutData( fdErrorDesc );
fdSettings = new FormData();
fdSettings.left = new FormAttachment( 0, margin );
fdSettings.top = new FormAttachment( wStepname, margin );
fdSettings.right = new FormAttachment( 100, -margin );
wSettings.setLayoutData( fdSettings );
// ///////////////////////////////////////////////////////////
// / END OF Settings GROUP
// ///////////////////////////////////////////////////////////
// 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, "UniqueRowsDialog.Get.Button" ) );
wCancel = new Button( shell, SWT.PUSH );
wCancel.setText( BaseMessages.getString( PKG, "System.Button.Cancel" ) );
fdOK = new FormData();
setButtonPositions( new Button[] { wOK, wCancel, wGet }, margin, null );
wlFields = new Label( shell, SWT.NONE );
wlFields.setText( BaseMessages.getString( PKG, "UniqueRowsDialog.Fields.Label" ) );
props.setLook( wlFields );
fdlFields = new FormData();
fdlFields.left = new FormAttachment( 0, 0 );
fdlFields.top = new FormAttachment( wSettings, margin );
wlFields.setLayoutData( fdlFields );
final int FieldsRows = input.getCompareFields() == null ? 0 : input.getCompareFields().length;
colinf =
new ColumnInfo[] {
new ColumnInfo(
BaseMessages.getString( PKG, "UniqueRowsDialog.ColumnInfo.Fieldname" ),
ColumnInfo.COLUMN_TYPE_CCOMBO, new String[] { "" }, false ),
new ColumnInfo(
BaseMessages.getString( PKG, "UniqueRowsDialog.ColumnInfo.IgnoreCase" ), ColumnInfo.COLUMN_TYPE_CCOMBO,
new String[] { "Y", "N" }, true )
};
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
lsCancel = new Listener() {
public void handleEvent( Event e ) {
cancel();
}
};
lsGet = new Listener() {
public void handleEvent( Event e ) {
get();
}
};
lsOK = new Listener() {
public void handleEvent( Event e ) {
ok();
}
};
wCancel.addListener( SWT.Selection, lsCancel );
wGet.addListener( SWT.Selection, lsGet );
wOK.addListener( SWT.Selection, lsOK );
lsDef = new SelectionAdapter() {
public void widgetDefaultSelected( SelectionEvent e ) {
ok();
}
};
wStepname.addSelectionListener( lsDef );
wCountField.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;
}
private void setErrorDesc() {
wlErrorDesc.setEnabled( wRejectDuplicateRow.getSelection() );
wErrorDesc.setEnabled( wRejectDuplicateRow.getSelection() );
}
protected void setComboBoxes() {
// Something was changed in the row.
//
final Map<String, Integer> fields = new HashMap<String, Integer>();
// Add the currentMeta fields...
fields.putAll( inputFields );
Set<String> keySet = fields.keySet();
List<String> entries = new ArrayList<String>( keySet );
String[] fieldNames = entries.toArray( new String[entries.size()] );
Const.sortStrings( fieldNames );
colinf[0].setComboValues( fieldNames );
}
public void setFlags() {
wlCountField.setEnabled( wCount.getSelection() );
wCountField.setEnabled( wCount.getSelection() );
}
/**
* Copy information from the meta-data input to the dialog fields.
*/
public void getData() {
wCount.setSelection( input.isCountRows() );
if ( input.getCountField() != null ) {
wCountField.setText( input.getCountField() );
}
setFlags();
wRejectDuplicateRow.setSelection( input.isRejectDuplicateRow() );
if ( input.getErrorDescription() != null ) {
wErrorDesc.setText( input.getErrorDescription() );
}
setErrorDesc();
for ( int i = 0; i < input.getCompareFields().length; i++ ) {
TableItem item = wFields.table.getItem( i );
if ( input.getCompareFields()[i] != null ) {
item.setText( 1, input.getCompareFields()[i] );
}
item.setText( 2, input.getCaseInsensitive()[i] ? "Y" : "N" );
}
wFields.setRowNums();
wFields.optWidth( true );
wStepname.selectAll();
wStepname.setFocus();
}
private void cancel() {
stepname = null;
input.setChanged( changed );
dispose();
}
private void ok() {
if ( Utils.isEmpty( wStepname.getText() ) ) {
return;
}
int nrfields = wFields.nrNonEmpty();
input.allocate( nrfields );
//CHECKSTYLE:Indentation:OFF
for ( int i = 0; i < nrfields; i++ ) {
TableItem item = wFields.getNonEmpty( i );
input.getCompareFields()[i] = item.getText( 1 );
input.getCaseInsensitive()[i] = "Y".equalsIgnoreCase( item.getText( 2 ) );
}
input.setCountField( wCountField.getText() );
input.setCountRows( wCount.getSelection() );
input.setRejectDuplicateRow( wRejectDuplicateRow.getSelection() );
input.setErrorDescription( wErrorDesc.getText() );
stepname = wStepname.getText(); // return value
if ( "Y".equalsIgnoreCase( props.getCustomParameter( STRING_SORT_WARNING_PARAMETER, "Y" ) ) ) {
MessageDialogWithToggle md = new MessageDialogWithToggle( shell,
BaseMessages.getString( PKG, "UniqueRowsDialog.InputNeedSort.DialogTitle" ),
null,
BaseMessages.getString( PKG, "UniqueRowsDialog.InputNeedSort.DialogMessage", Const.CR ) + Const.CR,
MessageDialog.WARNING,
new String[] { BaseMessages.getString( PKG, "UniqueRowsDialog.InputNeedSort.Option1" ) },
0,
BaseMessages.getString( PKG, "UniqueRowsDialog.InputNeedSort.Option2" ),
"N".equalsIgnoreCase( props.getCustomParameter( STRING_SORT_WARNING_PARAMETER, "Y" ) ) );
MessageDialogWithToggle.setDefaultImage( GUIResource.getInstance().getImageSpoon() );
md.open();
props.setCustomParameter( STRING_SORT_WARNING_PARAMETER, md.getToggleState() ? "N" : "Y" );
props.saveProps();
}
dispose();
}
private void get() {
try {
RowMetaInterface r = transMeta.getPrevStepFields( stepname );
if ( r != null && !r.isEmpty() ) {
BaseStepDialog.getFieldsFromPrevious( r, wFields, 1, new int[] { 1 }, new int[] {}, -1, -1, null );
}
} catch ( KettleException ke ) {
new ErrorDialog(
shell, BaseMessages.getString( PKG, "UniqueRowsDialog.FailedToGetFields.DialogTitle" ), BaseMessages
.getString( PKG, "UniqueRowsDialog.FailedToGetFields.DialogMessage" ), ke );
}
}
}