LogSettingsDialog.java

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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
 * limitations under the License.
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package org.pentaho.di.ui.spoon.dialog;

import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CCombo;
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.Dialog;
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.pentaho.di.core.Const;
import org.pentaho.di.core.logging.DefaultLogLevel;
import org.pentaho.di.core.logging.LogLevel;
import org.pentaho.di.i18n.BaseMessages;
import org.pentaho.di.ui.core.PropsUI;
import org.pentaho.di.ui.core.gui.GUIResource;
import org.pentaho.di.ui.core.gui.WindowProperty;
import org.pentaho.di.ui.trans.step.BaseStepDialog;

public class LogSettingsDialog extends Dialog {
  private static Class<?> PKG = LogSettingsDialog.class; // for i18n purposes, needed by Translator2!!

  private Label wlLoglevel;

  private CCombo wLoglevel;

  private FormData fdlLoglevel, fdLoglevel;

  // private Label wlFilter;
  // private Text wFilter;
  // private FormData fdlFilter, fdFilter;
  // private Label wlTime;
  // private Button wTime;
  // private FormData fdlTime, fdTime;

  private Button wOK, wCancel;

  private Listener lsOK, lsCancel;

  private Shell shell, parent;

  private PropsUI props;

  public LogSettingsDialog( Shell par, int style, PropsUI pr ) {
    super( par, style );
    parent = par;
    props = pr;
  }

  public void open() {
    Display display = parent.getDisplay();

    shell = new Shell( parent, SWT.DIALOG_TRIM | SWT.RESIZE | SWT.MIN | SWT.MAX );
    props.setLook( shell );
    shell.setImage( GUIResource.getInstance().getImageLogoSmall() );

    FormLayout formLayout = new FormLayout();
    formLayout.marginWidth = Const.FORM_MARGIN;
    formLayout.marginHeight = Const.FORM_MARGIN;

    shell.setLayout( formLayout );
    shell.setText( BaseMessages.getString( PKG, "LogSettingsDialog.Dialog.LoggingParameters.Title" ) ); // Set logging
                                                                                                        // parameters:

    int middle = props.getMiddlePct();
    int margin = Const.MARGIN;

    /*
     * // Filter line wlFilter = new Label(shell, SWT.RIGHT); wlFilter.setText(BaseMessages.getString(PKG,
     * "LogSettingsDialog.Label.FilterSelection")); //Select filter props.setLook(wlFilter); fdlFilter = new FormData();
     * fdlFilter.left = new FormAttachment(0, 0); fdlFilter.right = new FormAttachment(middle, -margin); fdlFilter.top =
     * new FormAttachment(0, margin); wlFilter.setLayoutData(fdlFilter); wFilter = new Text(shell, SWT.SINGLE |
     * SWT.BORDER);
     *
     * wFilter.setText("");
     *
     * props.setLook(wFilter); fdFilter = new FormData(); fdFilter.left = new FormAttachment(middle, 0); fdFilter.top =
     * new FormAttachment(0, margin); fdFilter.right = new FormAttachment(100, 0); wFilter.setLayoutData(fdFilter);
     */

    wlLoglevel = new Label( shell, SWT.RIGHT );
    wlLoglevel.setText( BaseMessages.getString( PKG, "LogSettingsDialog.Label.LogLevel" ) ); // Loglevel
    props.setLook( wlLoglevel );
    fdlLoglevel = new FormData();
    fdlLoglevel.left = new FormAttachment( 0, 0 );
    fdlLoglevel.right = new FormAttachment( middle, -margin );
    fdlLoglevel.top = new FormAttachment( 0, margin );
    wlLoglevel.setLayoutData( fdlLoglevel );
    wLoglevel = new CCombo( shell, SWT.SINGLE | SWT.READ_ONLY | SWT.BORDER );
    wLoglevel.setItems( LogLevel.getLogLevelDescriptions() );
    props.setLook( wLoglevel );
    fdLoglevel = new FormData();
    fdLoglevel.left = new FormAttachment( middle, 0 );
    fdLoglevel.top = new FormAttachment( 0, margin );
    fdLoglevel.right = new FormAttachment( 100, 0 );
    wLoglevel.setLayoutData( fdLoglevel );

    /*
     * // Time? wlTime = new Label(shell, SWT.RIGHT); wlTime.setText(BaseMessages.getString(PKG,
     * "LogSettingsDialog.Label.EnableTime")); //Enable Time? props.setLook(wlTime); fdlTime = new FormData();
     * fdlTime.left = new FormAttachment(0, 0); fdlTime.right = new FormAttachment(middle, -margin); fdlTime.top = new
     * FormAttachment(wLoglevel, margin); wlTime.setLayoutData(fdlTime); wTime = new Button(shell, SWT.CHECK);
     * props.setLook(wTime); fdTime = new FormData(); fdTime.left = new FormAttachment(middle, 0); fdTime.top = new
     * FormAttachment(wLoglevel, margin); wTime.setLayoutData(fdTime);
     */

    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" ) );

    BaseStepDialog.positionBottomButtons( shell, new Button[] { wOK, wCancel }, margin, wLoglevel );

    // 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 );

    /*
     * SelectionAdapter lsDef = new SelectionAdapter() { public void widgetDefaultSelected(SelectionEvent e) { ok(); }
     * };
     */

    // wFilter.addSelectionListener(lsDef);
    // wLoglevel.addSelectionListener( lsDef );

    // Detect X or ALT-F4 or something that kills this window...
    shell.addShellListener( new ShellAdapter() {
      public void shellClosed( ShellEvent e ) {
        cancel();
      }
    } );

    BaseStepDialog.setSize( shell );

    getData();

    shell.open();
    while ( !shell.isDisposed() ) {
      if ( !display.readAndDispatch() ) {
        display.sleep();
      }
    }
  }

  public void dispose() {
    props.setScreen( new WindowProperty( shell ) );
    shell.dispose();
  }

  /**
   * Copy information from the meta-data input to the dialog fields.
   */
  public void getData() {
    // String filter = Const.NVL(logWriter.getFilter(), props.getLogFilter());
    // if (filter != null) {
    // wFilter.setText(filter);
    // }

    wLoglevel.select( DefaultLogLevel.getLogLevel().getLevel() );
    // wTime.setSelection(layout.isTimeAdded());
  }

  private void cancel() {
    dispose();
  }

  private void ok() {
    int idx = wLoglevel.getSelectionIndex();
    DefaultLogLevel.setLogLevel( LogLevel.values()[idx] );

    /*
     * String filter = wFilter.getText(); if (Utils.isEmpty(filter)) { LogWriter.getInstance().setFilter(null); // clear
     * filter } else { LogWriter.getInstance().setFilter(wFilter.getText()); } //
     * layout.setTimeAdded(wTime.getSelection());
     */

    // props.setLogFilter(wFilter.getText());
    props.setLogLevel( wLoglevel.getText() );
    props.saveProps();

    dispose();
  }
}