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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,
* 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.webserviceavailable;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CCombo;
import org.eclipse.swt.events.FocusListener;
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.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.steps.webserviceavailable.WebServiceAvailableMeta;
import org.pentaho.di.ui.core.dialog.ErrorDialog;
import org.pentaho.di.ui.core.widget.TextVar;
import org.pentaho.di.ui.trans.step.BaseStepDialog;
public class WebServiceAvailableDialog extends BaseStepDialog implements StepDialogInterface {
private static Class<?> PKG = WebServiceAvailableMeta.class; // for i18n purposes, needed by Translator2!!
private Label wlURL;
private CCombo wURL;
private FormData fdlURL, fdURL;
private Label wlResult;
private TextVar wResult;
private FormData fdlResult, fdResult;
private Label wlConnectTimeOut;
private TextVar wConnectTimeOut;
private FormData fdlConnectTimeOut, fdConnectTimeOut;
private Label wlReadTimeOut;
private TextVar wReadTimeOut;
private FormData fdlReadTimeOut, fdReadTimeOut;
private WebServiceAvailableMeta input;
private boolean gotPreviousFields = false;
public WebServiceAvailableDialog( Shell parent, Object in, TransMeta transMeta, String sname ) {
super( parent, (BaseStepMeta) in, transMeta, sname );
input = (WebServiceAvailableMeta) 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, "WebServiceAvailableDialog.Shell.Title" ) );
int middle = props.getMiddlePct();
int margin = Const.MARGIN;
// Stepname line
wlStepname = new Label( shell, SWT.RIGHT );
wlStepname.setText( BaseMessages.getString( PKG, "WebServiceAvailableDialog.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 field
wlURL = new Label( shell, SWT.RIGHT );
wlURL.setText( BaseMessages.getString( PKG, "WebServiceAvailableDialog.URL.Label" ) );
props.setLook( wlURL );
fdlURL = new FormData();
fdlURL.left = new FormAttachment( 0, 0 );
fdlURL.right = new FormAttachment( middle, -margin );
fdlURL.top = new FormAttachment( wStepname, margin );
wlURL.setLayoutData( fdlURL );
wURL = new CCombo( shell, SWT.BORDER | SWT.READ_ONLY );
wURL.setEditable( true );
props.setLook( wURL );
wURL.addModifyListener( lsMod );
fdURL = new FormData();
fdURL.left = new FormAttachment( middle, 0 );
fdURL.top = new FormAttachment( wStepname, margin );
fdURL.right = new FormAttachment( 100, -margin );
wURL.setLayoutData( fdURL );
wURL.addFocusListener( new FocusListener() {
public void focusLost( org.eclipse.swt.events.FocusEvent e ) {
}
public void focusGained( org.eclipse.swt.events.FocusEvent e ) {
get();
}
} );
// connect timeout line
wlConnectTimeOut = new Label( shell, SWT.RIGHT );
wlConnectTimeOut.setText( BaseMessages.getString( PKG, "WebServiceAvailableDialog.ConnectTimeOut.Label" ) );
props.setLook( wlConnectTimeOut );
fdlConnectTimeOut = new FormData();
fdlConnectTimeOut.left = new FormAttachment( 0, 0 );
fdlConnectTimeOut.top = new FormAttachment( wURL, margin );
fdlConnectTimeOut.right = new FormAttachment( middle, -margin );
wlConnectTimeOut.setLayoutData( fdlConnectTimeOut );
wConnectTimeOut = new TextVar( transMeta, shell, SWT.SINGLE | SWT.LEFT | SWT.BORDER );
wConnectTimeOut.setToolTipText( BaseMessages.getString(
PKG, "WebServiceAvailableDialog.ConnectTimeOut.Tooltip" ) );
props.setLook( wConnectTimeOut );
wConnectTimeOut.addModifyListener( lsMod );
fdConnectTimeOut = new FormData();
fdConnectTimeOut.left = new FormAttachment( middle, 0 );
fdConnectTimeOut.top = new FormAttachment( wURL, margin );
fdConnectTimeOut.right = new FormAttachment( 100, -margin );
wConnectTimeOut.setLayoutData( fdConnectTimeOut );
// Whenever something changes, set the tooltip to the expanded version:
wConnectTimeOut.addModifyListener( new ModifyListener() {
public void modifyText( ModifyEvent e ) {
wConnectTimeOut.setToolTipText( transMeta.environmentSubstitute( wConnectTimeOut.getText() ) );
}
} );
// Read timeout line
wlReadTimeOut = new Label( shell, SWT.RIGHT );
wlReadTimeOut.setText( BaseMessages.getString( PKG, "WebServiceAvailableDialog.ReadTimeOut.Label" ) );
props.setLook( wlReadTimeOut );
fdlReadTimeOut = new FormData();
fdlReadTimeOut.left = new FormAttachment( 0, 0 );
fdlReadTimeOut.top = new FormAttachment( wConnectTimeOut, margin );
fdlReadTimeOut.right = new FormAttachment( middle, -margin );
wlReadTimeOut.setLayoutData( fdlReadTimeOut );
wReadTimeOut = new TextVar( transMeta, shell, SWT.SINGLE | SWT.LEFT | SWT.BORDER );
wReadTimeOut.setToolTipText( BaseMessages.getString( PKG, "WebServiceAvailableDialog.ReadTimeOut.Tooltip" ) );
props.setLook( wReadTimeOut );
wReadTimeOut.addModifyListener( lsMod );
fdReadTimeOut = new FormData();
fdReadTimeOut.left = new FormAttachment( middle, 0 );
fdReadTimeOut.top = new FormAttachment( wConnectTimeOut, margin );
fdReadTimeOut.right = new FormAttachment( 100, -margin );
wReadTimeOut.setLayoutData( fdReadTimeOut );
// Whenever something changes, set the tooltip to the expanded version:
wReadTimeOut.addModifyListener( new ModifyListener() {
public void modifyText( ModifyEvent e ) {
wReadTimeOut.setToolTipText( transMeta.environmentSubstitute( wReadTimeOut.getText() ) );
}
} );
// Result fieldname ...
wlResult = new Label( shell, SWT.RIGHT );
wlResult.setText( BaseMessages.getString( PKG, "WebServiceAvailableDialog.ResultField.Label" ) );
props.setLook( wlResult );
fdlResult = new FormData();
fdlResult.left = new FormAttachment( 0, 0 );
fdlResult.right = new FormAttachment( middle, -margin );
fdlResult.top = new FormAttachment( wReadTimeOut, margin * 2 );
wlResult.setLayoutData( fdlResult );
wResult = new TextVar( transMeta, shell, SWT.SINGLE | SWT.LEFT | SWT.BORDER );
wResult.setToolTipText( BaseMessages.getString( PKG, "WebServiceAvailableDialog.ResultField.Tooltip" ) );
props.setLook( wResult );
wResult.addModifyListener( lsMod );
fdResult = new FormData();
fdResult.left = new FormAttachment( middle, 0 );
fdResult.top = new FormAttachment( wReadTimeOut, margin * 2 );
fdResult.right = new FormAttachment( 100, 0 );
wResult.setLayoutData( fdResult );
// THE 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, wResult );
// Add listeners
lsOK = new Listener() {
public void handleEvent( Event e ) {
ok();
}
};
lsCancel = new Listener() {
public void handleEvent( Event e ) {
cancel();
}
};
wOK.addListener( SWT.Selection, lsOK );
wCancel.addListener( SWT.Selection, lsCancel );
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;
}
/**
* Copy information from the meta-data input to the dialog fields.
*/
public void getData() {
if ( isDebug() ) {
logDebug( BaseMessages.getString( PKG, "WebServiceAvailableDialog.Log.GettingKeyInfo" ) );
}
if ( input.getURLField() != null ) {
wURL.setText( input.getURLField() );
}
if ( input.getConnectTimeOut() != null ) {
wConnectTimeOut.setText( input.getConnectTimeOut() );
}
if ( input.getReadTimeOut() != null ) {
wReadTimeOut.setText( input.getReadTimeOut() );
}
if ( input.getResultFieldName() != null ) {
wResult.setText( input.getResultFieldName() );
}
wStepname.selectAll();
wStepname.setFocus();
}
private void cancel() {
stepname = null;
input.setChanged( changed );
dispose();
}
private void ok() {
if ( Utils.isEmpty( wStepname.getText() ) ) {
return;
}
input.setURLField( wURL.getText() );
input.setConnectTimeOut( wConnectTimeOut.getText() );
input.setReadTimeOut( wReadTimeOut.getText() );
input.setResultFieldName( wResult.getText() );
stepname = wStepname.getText(); // return value
dispose();
}
private void get() {
if ( !gotPreviousFields ) {
try {
String filefield = wURL.getText();
wURL.removeAll();
RowMetaInterface r = transMeta.getPrevStepFields( stepname );
if ( r != null ) {
wURL.setItems( r.getFieldNames() );
}
if ( filefield != null ) {
wURL.setText( filefield );
}
} catch ( KettleException ke ) {
new ErrorDialog( shell,
BaseMessages.getString( PKG, "WebServiceAvailableDialog.FailedToGetFields.DialogTitle" ),
BaseMessages.getString( PKG, "WebServiceAvailableDialog.FailedToGetFields.DialogMessage" ), ke );
}
gotPreviousFields = true;
}
}
}