/* uDig - User Friendly Desktop Internet GIS client
* http://udig.refractions.net
* (C) 2004, Refractions Research Inc.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* (http://www.eclipse.org/legal/epl-v10.html), and the Refractions BSD
* License v1.0 (http://udig.refractions.net/files/bsd3-v10.html).
*/
package org.locationtech.udig.project.ui.internal.property.pages;
import java.util.ArrayList;
import java.util.List;
import org.locationtech.udig.project.internal.Layer;
import org.locationtech.udig.project.ui.internal.Messages;
import org.locationtech.udig.project.ui.summary.SummaryControl;
import org.locationtech.udig.project.ui.summary.SummaryData;
import org.locationtech.udig.ui.ProgressManager;
import org.eclipse.jface.viewers.ICellModifier;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.TreeItem;
import org.eclipse.ui.IWorkbenchPropertyPage;
import org.eclipse.ui.dialogs.PropertyPage;
import org.geotools.geometry.jts.ReferencedEnvelope;
import org.opengis.feature.simple.SimpleFeatureType;
import org.opengis.feature.type.AttributeDescriptor;
import org.opengis.filter.Filter;
import org.opengis.referencing.crs.CoordinateReferenceSystem;
import com.vividsolutions.jts.geom.Envelope;
/**
* Shows a summary of the layer
* @author Jesse
* @since 1.1.0
*/
public class LayerSummary extends PropertyPage implements IWorkbenchPropertyPage {
private String newName;
private SummaryData nameData;
private SummaryControl summaryControl;
private String oldName;
@Override
protected Control createContents( Composite parent ) {
final Layer layer = (Layer) getElement();
final CoordinateReferenceSystem layerCRS = layer.getCRS();
ReferencedEnvelope bounds = layer.getBounds(ProgressManager.instance().get(), layerCRS);
final List<SummaryData> data=new ArrayList<SummaryData>();
String name = layer.getName();
nameData=new SummaryData(Messages.LayerSummary_name, name==null?"":name); //$NON-NLS-1$
nameData.setModifier(new NameModifier());
data.add(nameData);
newName=oldName=nameData.getInfo();
data.add(new SummaryData(Messages.LayerSummary_id,layer.getID()));
data.add(new SummaryData(Messages.LayerSummary_bounds, bounds==null?Messages.LayerSummary_unknownBounds:parseBounds(bounds)));
data.add(new SummaryData(Messages.LayerSummary_selection,layer.getFilter()));
data.add(new SummaryData(Messages.LayerSummary_status, layer.getStatusMessage()));
if ( layer.getSchema()!=null ){
SimpleFeatureType schema = layer.getSchema();
SummaryData schemaData=new SummaryData(Messages.LayerSummary_featureType, schema.getName().getLocalPart());
SummaryData[] children=new SummaryData[schema.getAttributeCount()];
for( int i = 0; i < children.length; i++ ) {
AttributeDescriptor attributeType = schema.getDescriptor(i);
children[i]=new SummaryData(attributeType.getLocalName(), attributeType.getType().getBinding().getSimpleName());
children[i].setParent(schemaData);
List<SummaryData> attTypeChildren=new ArrayList<SummaryData>();
attTypeChildren.add(new SummaryData(Messages.LayerSummary_nillable, attributeType.isNillable()));
attTypeChildren.get(0).setParent(children[i]);
List<Filter> restrictions = attributeType.getType().getRestrictions();
for (Filter filter : restrictions) {
SummaryData summaryData = new SummaryData(Messages.LayerSummary_restriction, filter);
attTypeChildren.add(summaryData);
summaryData.setParent(children[i]);
}
SummaryData summaryData = new SummaryData(Messages.LayerSummary_maxOccurs, attributeType.getMaxOccurs());
attTypeChildren.add(summaryData);
summaryData.setParent(children[i]);
summaryData = new SummaryData(Messages.LayerSummary_minOccurs, attributeType.getMinOccurs());
attTypeChildren.add(summaryData);
summaryData.setParent(children[i]);
children[i].setChildren(attTypeChildren.toArray(new SummaryData[0]));
}
schemaData.setChildren(children);
data.add(schemaData);
}
summaryControl = new SummaryControl(data);
return summaryControl.createControl(parent);
}
public static String parseBounds( Envelope env ){
String minx = chopDouble( env.getMinX() );
String maxx = chopDouble( env.getMaxX() );
String miny = chopDouble( env.getMinY() );
String maxy = chopDouble( env.getMaxY() );
return "("+minx+","+miny+") ("+maxx+","+maxy+") "; //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$//$NON-NLS-5$
}
private static String chopDouble( double d ){
String s=String.valueOf(d);
int end=s.indexOf('.')+2;
while( end>s.length() )
end--;
return s.substring(0, end);
}
@Override
protected void performApply() {
summaryControl.applyEdit();
final Layer layer = (Layer) getElement();
if (!newName.equals(oldName)) {
layer.setName(newName);
}
}
@Override
public boolean performCancel() {
performDefaults();
return super.performCancel();
}
@Override
public boolean performOk() {
performApply();
return super.performOk();
}
@Override
protected void performDefaults() {
summaryControl.cancelEdit();
final Layer layer = (Layer) getElement();
if( !newName.equals(oldName)){
newName = oldName;
nameData.setInfo(oldName);
summaryControl.refresh(nameData);
layer.setName(oldName);
}
}
private class NameModifier implements ICellModifier {
public boolean canModify( Object element, String property ) {
if (element == nameData)
return true;
return false;
}
public Object getValue( Object element, String property ) {
if( !newName.equals(oldName) ) return newName;
return ((SummaryData) element).getInfo();
}
public void modify( Object element, String property, Object value ) {
if (((TreeItem)element).getData() == nameData){
newName = (String) value;
nameData.setInfo(newName);
summaryControl.refresh(nameData);
}
}
}
}