// ============================================================================
//
// Copyright (C) 2006-2016 Talend Inc. - www.talend.com
//
// This source code is available under agreement available at
// %InstallDIR%\features\org.talend.rcp.branding.%PRODUCTNAME%\%PRODUCTNAME%license.txt
//
// You should have received a copy of the agreement
// along with this program; if not, write to Talend SA
// 9 rue Pages 92150 Suresnes, France
//
// ============================================================================
package org.talend.dataprofiler.core.ui.wizard.analysis.column;
import java.util.ArrayList;
import java.util.List;
import org.apache.log4j.Logger;
import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.IDoubleClickListener;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.talend.dataprofiler.core.i18n.internal.DefaultMessagesImpl;
import org.talend.dataprofiler.core.ui.grid.utils.Observerable;
import org.talend.dataprofiler.core.ui.grid.utils.TDQObserver;
import org.talend.dataprofiler.core.ui.utils.RepNodeUtils;
import org.talend.dataprofiler.core.ui.views.provider.ResourceViewContentProvider;
import org.talend.dataprofiler.core.ui.wizard.analysis.AnalysisDPSelectionPage;
import org.talend.dataprofiler.core.ui.wizard.analysis.provider.ColumnContentProvider;
import org.talend.dq.nodes.DBCatalogRepNode;
import org.talend.repository.model.IRepositoryNode;
/**
* DOC klliu class global comment. Detailled comment,2011-02-16 feature 15387
*/
public class ColumnAnalysisDOSelectionPage extends AnalysisDPSelectionPage implements Observerable {
protected static Logger log = Logger.getLogger(ColumnAnalysisDOSelectionPage.class);
protected static String chooseConnStr = DefaultMessagesImpl.getString("ColumnAnalysisPageStep0.chooseColumn"); //$NON-NLS-1$
public List<IRepositoryNode> nodes;
public List<TDQObserver> observers = new ArrayList();
/**
* @param pageName
*/
public ColumnAnalysisDOSelectionPage() {
this(new ColumnContentProvider());
}
/**
* @param contentProvider, use diffirent ContentProvider for Match analysis and column analysis.
*/
public ColumnAnalysisDOSelectionPage(ResourceViewContentProvider contentProvider) {
super(DefaultMessagesImpl.getString("ColumnAnalysisPageStep0.newAnalysis"), chooseConnStr, DefaultMessagesImpl //$NON-NLS-1$
.getString("ColumnAnalysisPageStep0.Columns"), contentProvider, true); //$NON-NLS-1$
setPageComplete(false);
}
/*
* (non-Javadoc)
*
* @see org.talend.dataprofiler.core.ui.wizard.analysis.AnalysisDPSelectionPage#addListeners()
*/
@Override
protected void addListeners() {
addListener(new IDoubleClickListener() {
public void doubleClick(DoubleClickEvent event) {
Object object = ((IStructuredSelection) event.getSelection()).getFirstElement();
if (object instanceof DBCatalogRepNode) {
advanceToNextPageOrFinish();
}
}
});
addListener(new ISelectionChangedListener() {
public void selectionChanged(SelectionChangedEvent event) {
try {
Object object = ((IStructuredSelection) event.getSelection()).getFirstElement();
nodes = new ArrayList<IRepositoryNode>();
if (object instanceof IRepositoryNode) {
List<IRepositoryNode> list = ((IStructuredSelection) event.getSelection()).toList();
nodes.addAll(list);
updateCompleteState();
notifyObservers();
} else {
setPageComplete(false);
}
} catch (Exception e) {
log.error(e, e);
}
}
});
}
/**
*
* DOC talend Comment method "updateCompleteState".
*/
void updateCompleteState() {
// Nodes come from same table or empty both are valid
if (nodes.size() == 0) {
setPageComplete(true);
this.setMessage(chooseConnStr);
} else {
if (!RepNodeUtils.isValidSelectionFromSameTable(nodes)) {
setPageComplete(false);
this.setMessage(DefaultMessagesImpl.getString("ColumnAnalysisDOSelectionPage.selectColumnError1"), ERROR); //$NON-NLS-1$
} else {
if (this.getPreviousPage().getWizard() instanceof PatternFrequencyWizard
&& !RepNodeUtils.isSupportPatternFrequency(nodes)) {
setPageComplete(true);
this.setMessage(DefaultMessagesImpl.getString("ColumnAnalysisDOSelectionPage.selectColumnError3"), WARNING); //$NON-NLS-1$
} else {
setPageComplete(true);
this.setMessage(""); //$NON-NLS-1$
}
}
}
}
/*
* (non-Javadoc)
*
* @see
* org.talend.dataprofiler.core.ui.grid.utils.Observerable#addObserver(org.talend.dataprofiler.core.ui.grid.utils
* .TDQObserver)
*/
public boolean addObserver(TDQObserver observer) {
return observers.add(observer);
}
/*
* (non-Javadoc)
*
* @see
* org.talend.dataprofiler.core.ui.grid.utils.Observerable#removeObserver(org.talend.dataprofiler.core.ui.grid.utils
* .TDQObserver)
*/
public boolean removeObserver(TDQObserver observer) {
return observers.remove(observer);
}
/*
* (non-Javadoc)
*
* @see org.talend.dataprofiler.core.ui.grid.utils.Observerable#clearObserver()
*/
public void clearObserver() {
observers.clear();
}
/*
* (non-Javadoc)
*
* @see org.talend.dataprofiler.core.ui.grid.utils.Observerable#notifyObservers()
*/
public void notifyObservers() {
for (TDQObserver observer : observers) {
observer.update(this);
}
}
}