/*
* Copyright 2012 JBoss Inc
*
* 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.drools.guvnor.client.decisiontable.widget.auditlog;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.drools.guvnor.client.common.Popup;
import org.drools.guvnor.client.messages.Constants;
import org.drools.guvnor.client.rpc.UserSecurityContext;
import org.drools.guvnor.client.widgets.tables.GuvnorSimplePager;
import org.drools.ide.common.client.modeldriven.auditlog.AuditLog;
import org.drools.ide.common.client.modeldriven.auditlog.AuditLogEntry;
import com.google.gwt.cell.client.FieldUpdater;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.Scheduler;
import com.google.gwt.core.client.Scheduler.ScheduledCommand;
import com.google.gwt.dom.client.Style.Unit;
import com.google.gwt.event.logical.shared.CloseEvent;
import com.google.gwt.event.logical.shared.CloseHandler;
import com.google.gwt.event.logical.shared.OpenEvent;
import com.google.gwt.event.logical.shared.OpenHandler;
import com.google.gwt.event.logical.shared.ValueChangeEvent;
import com.google.gwt.event.logical.shared.ValueChangeHandler;
import com.google.gwt.resources.client.ImageResource;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiFactory;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.user.cellview.client.CellTable;
import com.google.gwt.user.cellview.client.HasKeyboardPagingPolicy.KeyboardPagingPolicy;
import com.google.gwt.user.cellview.client.HasKeyboardSelectionPolicy.KeyboardSelectionPolicy;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.CheckBox;
import com.google.gwt.user.client.ui.DisclosurePanel;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.ScrollPanel;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;
import com.google.gwt.view.client.ListDataProvider;
/**
* The AuditLog View implementation
*/
public class AuditLogViewImpl extends Popup
implements
AuditLogView {
protected int MIN_WIDTH = 500;
protected int MIN_HEIGHT = 200;
private final AuditLog auditLog;
private final Widget popupContent;
@UiField
ScrollPanel spEvents;
private DisclosurePanel dpEventTypes;
private CellTable<AuditLogEntry> events;
private final VerticalPanel lstEventTypes = new VerticalPanel();
//The current user's security context (admins can see all records)
private final UserSecurityContext userSecurityContext;
interface AuditLogViewImplBinder
extends
UiBinder<Widget, AuditLogViewImpl> {
}
private static AuditLogViewImplBinder uiBinder = GWT.create( AuditLogViewImplBinder.class );
public AuditLogViewImpl(final AuditLog auditLog,
final UserSecurityContext userSecurityContext) {
setTitle( Constants.INSTANCE.DecisionTableAuditLog() );
this.auditLog = auditLog;
this.userSecurityContext = userSecurityContext;
setHeight( getPopupHeight() + "px" );
setWidth( getPopupWidth() + "px" );
this.popupContent = uiBinder.createAndBindUi( this );
}
/**
* Width of pop-up, 50% of the client width or MIN_WIDTH
*
* @return
*/
private int getPopupWidth() {
int w = (int) (Window.getClientWidth() * 0.50);
if ( w < MIN_WIDTH ) {
w = MIN_WIDTH;
}
return w;
}
/**
* Height of pop-up, 50% of the client height or MIN_HEIGHT
*
* @return
*/
protected int getPopupHeight() {
int h = (int) (Window.getClientHeight() * 0.50);
if ( h < MIN_HEIGHT ) {
h = MIN_HEIGHT;
}
return h;
}
@Override
public Widget getContent() {
for ( Map.Entry<String, Boolean> e : auditLog.getAuditLogFilter().getAcceptedTypes().entrySet() ) {
lstEventTypes.add( makeEventTypeCheckBox( e.getKey(),
e.getValue() ) );
}
events = new CellTable<AuditLogEntry>();
final ListDataProvider<AuditLogEntry> dlp = new ListDataProvider<AuditLogEntry>( filterDeletedEntries( auditLog ) );
dlp.addDataDisplay( events );
AuditLogEntrySummaryColumn summaryColumn = new AuditLogEntrySummaryColumn();
AuditLogEntryCommentColumn commentColumn = new AuditLogEntryCommentColumn();
events.addColumn( summaryColumn );
events.addColumn( commentColumn );
events.setColumnWidth( summaryColumn,
50.0,
Unit.PCT );
events.setColumnWidth( commentColumn,
50.0,
Unit.PCT );
//If the current user is not an Administrator include the delete comment column
if ( !userSecurityContext.isAdministrator() ) {
AuditLogEntryDeleteCommentColumn deleteCommentColumn = new AuditLogEntryDeleteCommentColumn();
deleteCommentColumn.setFieldUpdater( new FieldUpdater<AuditLogEntry, ImageResource>() {
public void update(int index,
AuditLogEntry row,
ImageResource value) {
row.setDeleted( true );
dlp.setList( filterDeletedEntries( auditLog ) );
dlp.refresh();
}
} );
events.addColumn( deleteCommentColumn );
events.setColumnWidth( commentColumn,
45.0,
Unit.PCT );
events.setColumnWidth( deleteCommentColumn,
5.0,
Unit.PCT );
}
events.setEmptyTableWidget( new Label( Constants.INSTANCE.DecisionTableAuditLogNoEntries() ) );
events.setKeyboardPagingPolicy( KeyboardPagingPolicy.CHANGE_PAGE );
events.setKeyboardSelectionPolicy( KeyboardSelectionPolicy.DISABLED );
events.setPageSize( 5 );
GuvnorSimplePager gsp = new GuvnorSimplePager();
gsp.setPageSize( 5 );
gsp.setDisplay( events );
VerticalPanel vp = new VerticalPanel();
vp.add( gsp );
vp.add( events );
spEvents.setAlwaysShowScrollBars( false );
spEvents.add( vp );
Scheduler.get().scheduleDeferred( new ScheduledCommand() {
@Override
public void execute() {
fixWidgetSizes();
}
} );
return this.popupContent;
}
private Widget makeEventTypeCheckBox(final String eventType,
final Boolean isEnabled) {
final CheckBox chkEventType = new CheckBox( AuditLogEntryCellHelper.getEventTypeDisplayText( eventType ) );
chkEventType.setValue( Boolean.TRUE.equals( isEnabled ) );
chkEventType.addValueChangeHandler( new ValueChangeHandler<Boolean>() {
@Override
public void onValueChange(ValueChangeEvent<Boolean> event) {
auditLog.getAuditLogFilter().getAcceptedTypes().put( eventType,
event.getValue() );
}
} );
return chkEventType;
}
private void fixWidgetSizes() {
final int lstEventsHeight = getClientHeight() - dpEventTypes.getOffsetHeight();
events.setWidth( spEvents.getElement().getClientWidth() + "px" );
spEvents.setHeight( lstEventsHeight + "px" );
}
@UiFactory
DisclosurePanel makeEventTypeDisclosurePanel() {
//For some inexplicable reason it is impossible to I18N the DisclosurePanel title with uiBinder
dpEventTypes = new DisclosurePanel( Constants.INSTANCE.DecisionTableAuditLogEvents() );
dpEventTypes.add( lstEventTypes );
dpEventTypes.addOpenHandler( new OpenHandler<DisclosurePanel>() {
@Override
public void onOpen(OpenEvent<DisclosurePanel> event) {
fixWidgetSizes();
}
} );
dpEventTypes.addCloseHandler( new CloseHandler<DisclosurePanel>() {
@Override
public void onClose(CloseEvent<DisclosurePanel> event) {
fixWidgetSizes();
}
} );
return dpEventTypes;
}
private List<AuditLogEntry> filterDeletedEntries(final List<AuditLogEntry> entries) {
if ( userSecurityContext.isAdministrator() ) {
return entries;
}
final List<AuditLogEntry> filteredEntries = new ArrayList<AuditLogEntry>();
final Iterator<AuditLogEntry> i = entries.iterator();
while ( i.hasNext() ) {
final AuditLogEntry entry = i.next();
if ( !entry.isDeleted() ) {
filteredEntries.add( entry );
}
}
return filteredEntries;
}
}