/*! ****************************************************************************** * * 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 * limitations under the License. * ******************************************************************************/ package org.pentaho.di.ui.trans.steps.setvalueconstant; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.Set; 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.Label; import org.eclipse.swt.widgets.Listener; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Table; 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.core.row.ValueMetaInterface; 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.setvalueconstant.SetValueConstantMeta; import org.pentaho.di.ui.core.dialog.ErrorDialog; import org.pentaho.di.ui.core.widget.ColumnInfo; import org.pentaho.di.ui.core.widget.TableView; import org.pentaho.di.ui.trans.step.BaseStepDialog; import org.pentaho.di.ui.trans.step.TableItemInsertListener; public class SetValueConstantDialog extends BaseStepDialog implements StepDialogInterface { private static Class<?> PKG = SetValueConstantMeta.class; // for i18n purposes, needed by Translator2!! private SetValueConstantMeta input; private ModifyListener lsMod; private ModifyListener oldlsMod; private int middle; private int margin; /** * all fields from the previous steps */ private Map<String, Integer> inputFields; private Label wlFields; private TableView wFields; private FormData fdlFields, fdFields; private ColumnInfo[] colinf; private Label wluseVars; private Button wuseVars; public SetValueConstantDialog( Shell parent, Object in, TransMeta tr, String sname ) { super( parent, (BaseStepMeta) in, tr, sname ); input = (SetValueConstantMeta) 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 ); lsMod = new ModifyListener() { public void modifyText( ModifyEvent e ) { input.setChanged(); } }; changed = input.hasChanged(); oldlsMod = lsMod; FormLayout formLayout = new FormLayout(); formLayout.marginWidth = Const.FORM_MARGIN; formLayout.marginHeight = Const.FORM_MARGIN; middle = props.getMiddlePct(); margin = Const.MARGIN; shell.setLayout( formLayout ); shell.setText( BaseMessages.getString( PKG, "SetValueConstantDialog.Shell.Title" ) ); // Stepname line wlStepname = new Label( shell, SWT.RIGHT ); wlStepname.setText( BaseMessages.getString( PKG, "SetValueConstantDialog.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 ); // Use variable? wluseVars = new Label( shell, SWT.RIGHT ); wluseVars.setText( BaseMessages.getString( PKG, "SetValueConstantDialog.useVars.Label" ) ); props.setLook( wluseVars ); FormData fdlUpdate = new FormData(); fdlUpdate.left = new FormAttachment( 0, 0 ); fdlUpdate.right = new FormAttachment( middle, -margin ); fdlUpdate.top = new FormAttachment( wStepname, 2 * margin ); wluseVars.setLayoutData( fdlUpdate ); wuseVars = new Button( shell, SWT.CHECK ); wuseVars.setToolTipText( BaseMessages.getString( PKG, "SetValueConstantDialog.useVars.Tooltip" ) ); props.setLook( wuseVars ); FormData fdUpdate = new FormData(); fdUpdate.left = new FormAttachment( middle, 0 ); fdUpdate.top = new FormAttachment( wStepname, 2 * margin ); fdUpdate.right = new FormAttachment( 100, 0 ); wuseVars.setLayoutData( fdUpdate ); // Table with fields wlFields = new Label( shell, SWT.NONE ); wlFields.setText( BaseMessages.getString( PKG, "SetValueConstantDialog.Fields.Label" ) ); props.setLook( wlFields ); fdlFields = new FormData(); fdlFields.left = new FormAttachment( 0, 0 ); fdlFields.top = new FormAttachment( wuseVars, margin ); wlFields.setLayoutData( fdlFields ); int FieldsCols = 4; final int FieldsRows = input.getFieldName().length; colinf = new ColumnInfo[FieldsCols]; colinf[0] = new ColumnInfo( BaseMessages.getString( PKG, "SetValueConstantDialog.Fieldname.Column" ), ColumnInfo.COLUMN_TYPE_CCOMBO, new String[] {}, false ); colinf[1] = new ColumnInfo( BaseMessages.getString( PKG, "SetValueConstantDialog.Value.Column" ), ColumnInfo.COLUMN_TYPE_TEXT, false ); colinf[2] = new ColumnInfo( BaseMessages.getString( PKG, "SetValueConstantDialog.Value.ConversionMask" ), ColumnInfo.COLUMN_TYPE_CCOMBO, Const.getDateFormats() ); colinf[3] = new ColumnInfo( BaseMessages.getString( PKG, "SetValueConstantDialog.Value.SetEmptyString" ), 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, oldlsMod, 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() { 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(); 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, wGet, wCancel }, margin, wFields ); // 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 ); wOK.addListener( SWT.Selection, lsOK ); wGet.addListener( SWT.Selection, lsGet ); 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; } 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 ); } private void get() { try { RowMetaInterface r = transMeta.getPrevStepFields( stepMeta ); if ( r != null ) { TableItemInsertListener insertListener = new TableItemInsertListener() { public boolean tableItemInserted( TableItem tableItem, ValueMetaInterface v ) { 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 ); } } /** * Copy information from the meta-data input to the dialog fields. */ public void getData() { wuseVars.setSelection( input.isUseVars() ); Table table = wFields.table; if ( input.getFieldName().length > 0 ) { table.removeAll(); } for ( int i = 0; i < input.getFieldName().length; i++ ) { TableItem ti = new TableItem( table, SWT.NONE ); ti.setText( 0, "" + ( i + 1 ) ); if ( input.getFieldName()[i] != null ) { ti.setText( 1, input.getFieldName()[i] ); } if ( input.getReplaceValue()[i] != null ) { ti.setText( 2, input.getReplaceValue()[i] ); } if ( input.getReplaceMask()[i] != null ) { ti.setText( 3, input.getReplaceMask()[i] ); } ti.setText( 4, input.isSetEmptyString()[i] ? BaseMessages.getString( PKG, "System.Combo.Yes" ) : BaseMessages.getString( PKG, "System.Combo.No" ) ); } wFields.setRowNums(); wFields.removeEmptyRows(); 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; } stepname = wStepname.getText(); // return value input.setUseVars( wuseVars.getSelection() ); int count = wFields.nrNonEmpty(); input.allocate( count ); //CHECKSTYLE:Indentation:OFF for ( int i = 0; i < count; i++ ) { TableItem ti = wFields.getNonEmpty( i ); input.getFieldName()[i] = ti.getText( 1 ); input.isSetEmptyString()[i] = BaseMessages.getString( PKG, "System.Combo.Yes" ).equalsIgnoreCase( ti.getText( 4 ) ); input.getReplaceValue()[i] = input.isSetEmptyString()[i] ? "" : ti.getText( 2 ); input.getReplaceMask()[i] = input.isSetEmptyString()[i] ? "" : ti.getText( 3 ); } dispose(); } }