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*
* Pentaho Data Integration
*
* Copyright (C) 2002-2016 by Pentaho : http://www.pentaho.com
*
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*
* 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
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* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
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package org.pentaho.di.ui.trans.steps.sasinput;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CCombo;
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.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.FileDialog;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.MessageBox;
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.KettleStepException;
import org.pentaho.di.core.logging.LogChannel;
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.core.row.value.ValueMetaString;
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.steps.sasinput.SasInputField;
import org.pentaho.di.trans.steps.sasinput.SasInputHelper;
import org.pentaho.di.trans.steps.sasinput.SasInputMeta;
import org.pentaho.di.ui.core.dialog.ErrorDialog;
import org.pentaho.di.ui.core.widget.ColumnInfo;
import org.pentaho.di.ui.core.widget.ComboValuesSelectionListener;
import org.pentaho.di.ui.core.widget.TableView;
import org.pentaho.di.ui.trans.step.BaseStepDialog;
public class SasInputDialog extends BaseStepDialog implements StepDialogInterface {
private static Class<?> PKG = SasInputMeta.class; // for i18n purposes, needed
// by Translator2!!
private CCombo wAccField;
private SasInputMeta input;
private boolean backupChanged;
private TableView wFields;
public SasInputDialog( Shell parent, Object in, TransMeta tr, String sname ) {
super( parent, (BaseStepMeta) in, tr, sname );
input = (SasInputMeta) in;
}
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() {
public void modifyText( ModifyEvent e ) {
input.setChanged();
}
};
backupChanged = input.hasChanged();
FormLayout formLayout = new FormLayout();
formLayout.marginWidth = Const.FORM_MARGIN;
formLayout.marginHeight = Const.FORM_MARGIN;
shell.setLayout( formLayout );
shell.setText( BaseMessages.getString( PKG, "SASInputDialog.Dialog.Title" ) );
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 );
Control lastControl = wStepname;
// Which field do we read from?
//
Label wlAccField = new Label( shell, SWT.RIGHT );
wlAccField.setText( BaseMessages.getString( PKG, "SASInputDialog.AcceptField.Label" ) );
props.setLook( wlAccField );
FormData fdlAccField = new FormData();
fdlAccField.top = new FormAttachment( lastControl, margin );
fdlAccField.left = new FormAttachment( 0, 0 );
fdlAccField.right = new FormAttachment( middle, -margin );
wlAccField.setLayoutData( fdlAccField );
wAccField = new CCombo( shell, SWT.SINGLE | SWT.LEFT | SWT.BORDER );
wAccField.setToolTipText( BaseMessages.getString( PKG, "SASInputDialog.AcceptField.Tooltip" ) );
props.setLook( wAccField );
FormData fdAccField = new FormData();
fdAccField.top = new FormAttachment( lastControl, margin );
fdAccField.left = new FormAttachment( middle, 0 );
fdAccField.right = new FormAttachment( 100, 0 );
wAccField.setLayoutData( fdAccField );
lastControl = wAccField;
// Fill in the source fields...
//
try {
RowMetaInterface fields = transMeta.getPrevStepFields( stepMeta );
wAccField.setItems( fields.getFieldNames() );
} catch ( Exception e ) {
LogChannel.GENERAL.logError( "Couldn't get input fields for step '" + stepMeta + "'", e );
}
// Some buttons
wOK = new Button( shell, SWT.PUSH );
wOK.setText( BaseMessages.getString( PKG, "System.Button.OK" ) );
wOK.addListener( SWT.Selection, new Listener() {
public void handleEvent( Event e ) {
ok();
}
} );
wGet = new Button( shell, SWT.PUSH );
wGet.setText( BaseMessages.getString( PKG, "System.Button.GetFields" ) );
wGet.addListener( SWT.Selection, new Listener() {
public void handleEvent( Event e ) {
get();
}
} );
wCancel = new Button( shell, SWT.PUSH );
wCancel.setText( BaseMessages.getString( PKG, "System.Button.Cancel" ) );
wCancel.addListener( SWT.Selection, new Listener() {
public void handleEvent( Event e ) {
cancel();
}
} );
setButtonPositions( new Button[] { wOK, wGet, wCancel }, margin, null );
Label wlFields = new Label( shell, SWT.LEFT );
wlFields.setText( BaseMessages.getString( PKG, "SASInputDialog.Fields.Label" ) );
props.setLook( wlFields );
FormData fdlFields = new FormData();
fdlFields.top = new FormAttachment( lastControl, margin );
fdlFields.left = new FormAttachment( 0, 0 );
fdlFields.right = new FormAttachment( 100, 0 );
wlFields.setLayoutData( fdlFields );
lastControl = wlFields;
// Fields
ColumnInfo[] colinf =
new ColumnInfo[] {
new ColumnInfo(
BaseMessages.getString( PKG, "SASInputDialog.OutputFieldColumn.Name" ),
ColumnInfo.COLUMN_TYPE_TEXT, false ),
new ColumnInfo(
BaseMessages.getString( PKG, "SASInputDialog.OutputFieldColumn.Rename" ),
ColumnInfo.COLUMN_TYPE_TEXT, false ),
new ColumnInfo(
BaseMessages.getString( PKG, "SASInputDialog.OutputFieldColumn.Type" ),
ColumnInfo.COLUMN_TYPE_CCOMBO, ValueMetaFactory.getValueMetaNames(), true ),
new ColumnInfo(
BaseMessages.getString( PKG, "SASInputDialog.OutputFieldColumn.Mask" ),
ColumnInfo.COLUMN_TYPE_FORMAT, 2 ),
new ColumnInfo(
BaseMessages.getString( PKG, "SASInputDialog.OutputFieldColumn.Length" ),
ColumnInfo.COLUMN_TYPE_TEXT, false ),
new ColumnInfo(
BaseMessages.getString( PKG, "SASInputDialog.OutputFieldColumn.Precision" ),
ColumnInfo.COLUMN_TYPE_TEXT, false ),
new ColumnInfo(
BaseMessages.getString( PKG, "SASInputDialog.OutputFieldColumn.Decimal" ),
ColumnInfo.COLUMN_TYPE_TEXT, false ),
new ColumnInfo(
BaseMessages.getString( PKG, "SASInputDialog.OutputFieldColumn.Group" ),
ColumnInfo.COLUMN_TYPE_TEXT, false ),
new ColumnInfo(
BaseMessages.getString( PKG, "SASInputDialog.OutputFieldColumn.TrimType" ),
ColumnInfo.COLUMN_TYPE_CCOMBO, ValueMetaString.trimTypeDesc ), };
colinf[3].setComboValuesSelectionListener( new ComboValuesSelectionListener() {
public String[] getComboValues( TableItem tableItem, int rowNr, int colNr ) {
String[] comboValues = new String[] {};
int type = ValueMetaFactory.getIdForValueMeta( tableItem.getText( colNr - 1 ) );
switch ( type ) {
case ValueMetaInterface.TYPE_DATE:
comboValues = Const.getDateFormats();
break;
case ValueMetaInterface.TYPE_INTEGER:
case ValueMetaInterface.TYPE_BIGNUMBER:
case ValueMetaInterface.TYPE_NUMBER:
comboValues = Const.getNumberFormats();
break;
default:
break;
}
return comboValues;
}
} );
wFields = new TableView( transMeta, shell, SWT.FULL_SELECTION | SWT.MULTI, colinf, 1, lsMod, props );
FormData fdFields = new FormData();
fdFields.top = new FormAttachment( lastControl, margin * 2 );
fdFields.bottom = new FormAttachment( wOK, -margin * 2 );
fdFields.left = new FormAttachment( 0, 0 );
fdFields.right = new FormAttachment( 100, 0 );
wFields.setLayoutData( fdFields );
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();
}
} );
getData();
input.setChanged( changed );
// Set the shell size, based upon previous time...
setSize();
shell.open();
while ( !shell.isDisposed() ) {
if ( !display.readAndDispatch() ) {
display.sleep();
}
}
return stepname;
}
/**
* Copy information from the meta-data input to the dialog fields.
*/
public void getData() {
wAccField.setText( Const.NVL( input.getAcceptingField(), "" ) );
for ( int i = 0; i < input.getOutputFields().size(); i++ ) {
SasInputField field = input.getOutputFields().get( i );
TableItem item = new TableItem( wFields.table, SWT.NONE );
int colnr = 1;
item.setText( colnr++, Const.NVL( field.getName(), "" ) );
item.setText( colnr++, Const.NVL( field.getRename(), "" ) );
item.setText( colnr++, ValueMetaFactory.getValueMetaName( field.getType() ) );
item.setText( colnr++, Const.NVL( field.getConversionMask(), "" ) );
item.setText( colnr++, field.getLength() >= 0 ? Integer.toString( field.getLength() ) : "" );
item.setText( colnr++, field.getPrecision() >= 0 ? Integer.toString( field.getPrecision() ) : "" );
item.setText( colnr++, Const.NVL( field.getDecimalSymbol(), "" ) );
item.setText( colnr++, Const.NVL( field.getGroupingSymbol(), "" ) );
item.setText( colnr++, Const.NVL( field.getTrimTypeDesc(), "" ) );
}
wFields.removeEmptyRows();
wFields.setRowNums();
wFields.optWidth( true );
wStepname.selectAll();
wStepname.setFocus();
}
private void cancel() {
stepname = null;
input.setChanged( backupChanged );
dispose();
}
public void getInfo( SasInputMeta meta ) throws KettleStepException {
// copy info to Meta class (input)
meta.setAcceptingField( wAccField.getText() );
int nrNonEmptyFields = wFields.nrNonEmpty();
meta.getOutputFields().clear();
for ( int i = 0; i < nrNonEmptyFields; i++ ) {
TableItem item = wFields.getNonEmpty( i );
int colnr = 1;
SasInputField field = new SasInputField();
field.setName( item.getText( colnr++ ) );
field.setRename( item.getText( colnr++ ) );
if ( Utils.isEmpty( field.getRename() ) ) {
field.setRename( field.getName() );
}
field.setType( ValueMetaFactory.getIdForValueMeta( item.getText( colnr++ ) ) );
field.setConversionMask( item.getText( colnr++ ) );
field.setLength( Const.toInt( item.getText( colnr++ ), -1 ) );
field.setPrecision( Const.toInt( item.getText( colnr++ ), -1 ) );
field.setDecimalSymbol( item.getText( colnr++ ) );
field.setGroupingSymbol( item.getText( colnr++ ) );
field.setTrimType( ValueMetaString.getTrimTypeByDesc( item.getText( colnr++ ) ) );
meta.getOutputFields().add( field );
}
wFields.removeEmptyRows();
wFields.setRowNums();
wFields.optWidth( true );
}
private void ok() {
if ( Utils.isEmpty( wStepname.getText() ) ) {
return;
}
try {
stepname = wStepname.getText(); // return value
getInfo( input );
} catch ( KettleStepException e ) {
MessageBox mb = new MessageBox( shell, SWT.OK | SWT.ICON_ERROR );
mb.setMessage( e.toString() );
mb.setText( BaseMessages.getString( PKG, "System.Warning" ) );
mb.open();
}
dispose();
}
public void get() {
try {
// As the user for a file to use as a reference
//
FileDialog dialog = new FileDialog( shell, SWT.OPEN );
dialog.setFilterExtensions( new String[] { "*.sas7bdat;*.SAS7BDAT", "*.*" } );
dialog.setFilterNames( new String[] {
BaseMessages.getString( PKG, "SASInputDialog.FileType.SAS7BAT" ) + ", "
+ BaseMessages.getString( PKG, "System.FileType.TextFiles" ),
BaseMessages.getString( PKG, "System.FileType.CSVFiles" ),
BaseMessages.getString( PKG, "System.FileType.TextFiles" ),
BaseMessages.getString( PKG, "System.FileType.AllFiles" ) } );
if ( dialog.open() != null ) {
String filename = dialog.getFilterPath() + System.getProperty( "file.separator" ) + dialog.getFileName();
SasInputHelper helper = new SasInputHelper( filename );
BaseStepDialog.getFieldsFromPrevious(
helper.getRowMeta(), wFields, 1, new int[] { 1 }, new int[] { 3 }, 4, 5, null );
}
} catch ( Exception e ) {
new ErrorDialog( shell, "Error", "Error reading information from file", e );
}
}
}