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*
* 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.cubeinput;
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.FileDialog;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.pentaho.di.core.Const;
import org.pentaho.di.core.util.Utils;
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.cubeinput.CubeInputMeta;
import org.pentaho.di.ui.core.widget.TextVar;
import org.pentaho.di.ui.trans.step.BaseStepDialog;
public class CubeInputDialog extends BaseStepDialog implements StepDialogInterface {
private static Class<?> PKG = CubeInputMeta.class; // for i18n purposes, needed by Translator2!!
private Label wlFilename;
private Button wbFilename;
private TextVar wFilename;
private FormData fdlFilename, fdbFilename, fdFilename, fdlAddResult, fdAddResult;
private Label wlLimit;
private Text wLimit;
private FormData fdlLimit, fdLimit;
private Label wlAddResult;
private Button wAddResult;
private CubeInputMeta input;
public CubeInputDialog( Shell parent, Object in, TransMeta tr, String sname ) {
super( parent, (BaseStepMeta) in, tr, sname );
input = (CubeInputMeta) 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();
}
};
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, "CubeInputDialog.Shell.Title" ) );
int middle = props.getMiddlePct();
int margin = Const.MARGIN;
// Stepname line
wlStepname = new Label( shell, SWT.RIGHT );
wlStepname.setText( BaseMessages.getString( PKG, "CubeInputDialog.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 );
// Filename line
wlFilename = new Label( shell, SWT.RIGHT );
wlFilename.setText( BaseMessages.getString( PKG, "CubeInputDialog.Filename.Label" ) );
props.setLook( wlFilename );
fdlFilename = new FormData();
fdlFilename.left = new FormAttachment( 0, 0 );
fdlFilename.top = new FormAttachment( wStepname, margin + 5 );
fdlFilename.right = new FormAttachment( middle, -margin );
wlFilename.setLayoutData( fdlFilename );
wbFilename = new Button( shell, SWT.PUSH | SWT.CENTER );
props.setLook( wbFilename );
wbFilename.setText( BaseMessages.getString( PKG, "CubeInputDialog.FilenameButton.Label" ) );
fdbFilename = new FormData();
fdbFilename.right = new FormAttachment( 100, 0 );
fdbFilename.top = new FormAttachment( wStepname, margin + 5 );
wbFilename.setLayoutData( fdbFilename );
wFilename = new TextVar( transMeta, shell, SWT.SINGLE | SWT.LEFT | SWT.BORDER );
props.setLook( wFilename );
wFilename.addModifyListener( lsMod );
fdFilename = new FormData();
fdFilename.left = new FormAttachment( middle, 0 );
fdFilename.top = new FormAttachment( wStepname, margin + 5 );
fdFilename.right = new FormAttachment( wbFilename, -margin );
wFilename.setLayoutData( fdFilename );
// Limit input ...
wlLimit = new Label( shell, SWT.RIGHT );
wlLimit.setText( BaseMessages.getString( PKG, "CubeInputDialog.Limit.Label" ) );
props.setLook( wlLimit );
fdlLimit = new FormData();
fdlLimit.left = new FormAttachment( 0, 0 );
fdlLimit.right = new FormAttachment( middle, -margin );
fdlLimit.top = new FormAttachment( wFilename, margin );
wlLimit.setLayoutData( fdlLimit );
wLimit = new Text( shell, SWT.SINGLE | SWT.LEFT | SWT.BORDER );
props.setLook( wLimit );
wLimit.addModifyListener( lsMod );
fdLimit = new FormData();
fdLimit.left = new FormAttachment( middle, 0 );
fdLimit.top = new FormAttachment( wFilename, margin );
fdLimit.right = new FormAttachment( 100, 0 );
wLimit.setLayoutData( fdLimit );
// Add filename to result filenames
wlAddResult = new Label( shell, SWT.RIGHT );
wlAddResult.setText( BaseMessages.getString( PKG, "CubeInputDialog.AddResult.Label" ) );
props.setLook( wlAddResult );
fdlAddResult = new FormData();
fdlAddResult.left = new FormAttachment( 0, 0 );
fdlAddResult.top = new FormAttachment( wLimit, 2 * margin );
fdlAddResult.right = new FormAttachment( middle, -margin );
wlAddResult.setLayoutData( fdlAddResult );
wAddResult = new Button( shell, SWT.CHECK );
props.setLook( wAddResult );
wAddResult.setToolTipText( BaseMessages.getString( PKG, "CubeInputDialog.AddResult.Tooltip" ) );
fdAddResult = new FormData();
fdAddResult.left = new FormAttachment( middle, 0 );
fdAddResult.top = new FormAttachment( wLimit, 2 * margin );
wAddResult.setLayoutData( fdAddResult );
// 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, wAddResult );
// Add listeners
lsCancel = new Listener() {
public void handleEvent( Event e ) {
cancel();
}
};
lsOK = new Listener() {
public void handleEvent( Event e ) {
ok();
}
};
wCancel.addListener( SWT.Selection, lsCancel );
wOK.addListener( SWT.Selection, lsOK );
wbFilename.addSelectionListener( new SelectionAdapter() {
public void widgetSelected( SelectionEvent e ) {
FileDialog dialog = new FileDialog( shell, SWT.OPEN );
dialog.setFilterExtensions( new String[] { "*.cube", "*" } );
if ( wFilename.getText() != null ) {
dialog.setFileName( wFilename.getText() );
}
dialog.setFilterNames( new String[] {
BaseMessages.getString( PKG, "CubeInputDialog.FilterNames.CubeFiles" ),
BaseMessages.getString( PKG, "CubeInputDialog.FilterNames.AllFiles" ) } );
if ( dialog.open() != null ) {
wFilename.setText( dialog.getFilterPath()
+ System.getProperty( "file.separator" ) + dialog.getFileName() );
}
}
} );
lsDef = new SelectionAdapter() {
public void widgetDefaultSelected( SelectionEvent e ) {
ok();
}
};
wStepname.addSelectionListener( lsDef );
wLimit.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() {
if ( input.getFilename() != null ) {
wFilename.setText( input.getFilename() );
}
wLimit.setText( "" + input.getRowLimit() );
wAddResult.setSelection( input.isAddResultFile() );
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
// copy info to Meta class (input)
input.setFilename( wFilename.getText() );
input.setRowLimit( wLimit.getText() );
input.setAddResultFile( wAddResult.getSelection() );
dispose();
}
}