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Vaadin UI implementation for JVx
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/*
* Copyright 2020 SIB Visions GmbH
*
* 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.
*
*
* History
*
* 15.06.2020 - [LK] - creation
*/
package com.sibvisions.rad.ui.vaadin.impl.component.map;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import jvx.rad.model.IDataBook;
import jvx.rad.model.IDataRow;
import jvx.rad.model.ModelException;
import jvx.rad.model.datatype.BinaryDataType;
import jvx.rad.model.datatype.IDataType;
import jvx.rad.ui.IColor;
import jvx.rad.ui.IImage;
import jvx.rad.ui.component.IMap;
import jvx.rad.util.ExceptionHandler;
import jvx.rad.util.TranslationMap;
import com.sibvisions.rad.ui.vaadin.ext.ui.client.map.IMapRpc;
import com.sibvisions.rad.ui.vaadin.ext.ui.client.map.MapState.MapObject;
import com.sibvisions.rad.ui.vaadin.ext.ui.client.map.MapState.MapObjectType;
import com.sibvisions.rad.ui.vaadin.ext.ui.client.map.MapState.Point;
import com.sibvisions.rad.ui.vaadin.ext.ui.map.MapComponent;
import com.sibvisions.rad.ui.vaadin.impl.VaadinColor;
import com.sibvisions.rad.ui.vaadin.impl.VaadinComponent;
import com.sibvisions.rad.ui.vaadin.impl.VaadinImage;
import com.vaadin.server.ResourceReference;
import com.vaadin.shared.communication.URLReference;
/**
* The {@link VaadinMap} is the vaadin implementation for the
* {@link IMap} component showing a map.
*
* @author Lukas Katic
* @param An instance of {@link MapComponent}
*/
public abstract class VaadinMap extends VaadinComponent
implements IMap,
IMapRpc,
Runnable
{
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Class members
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/** The default fill color. */
private static final VaadinColor COLOR_DEFAULT_FILL = new VaadinColor(202, 39, 41, 41);
/** The default line color. */
private static final VaadinColor COLOR_DEFAULT_LINE = new VaadinColor(200, 0, 0, 210);
/** The image to use for markers. */
private VaadinImage markerImage = null;
/** The color for lines. */
private IColor lineColor;
/** The color for areas. */
private IColor fillColor;
/** The current center of the map view. */
private IMapLocation center;
/** The {@linkplain IDataBook} for all regions and their points. */
private IDataBook groups = null;
/** The {@linkplain IDataBook} for all markers. */
private IDataBook points = null;
/** The {@link TranslationMap}. */
private TranslationMap translationMap = null;
/** The name of the column for the groups in given {@linkplain IDataBook groupDataBook}. */
private String groupColumnName = IMap.COLUMNNAME_GROUP;
/** The name of the column for the latitude in given {@linkplain IDataBook dataBooks}. */
private String latitudeColumnName = IMap.COLUMNNAME_LATITUDE;
/** The name of the column for the longitude in given {@linkplain IDataBook dataBooks}. */
private String longitudeColumnName = IMap.COLUMNNAME_LONGITUDE;
/** The name of the column for the displayed markerImage in given {@linkplain IDataBook pointsDataBook}. */
private String markerImageColumnName = IMap.COLUMNNAME_MARKERIMAGE;
/** The current zoom of the map view. */
private int zoomLevel = 9;
/** Keeps track whether the translation is enabled or not. */
private boolean translationEnabled = true;
/** whether notifyRepaint is called the first time. */
private boolean firstNotifyRepaintCall = true;
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Initialization
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/**
* Creates a new instance of {@link VaadinMap}.
*
* @param pComponent The component in use.
*/
protected VaadinMap(C pComponent)
{
super(pComponent);
resource.registerRpc(this, IMapRpc.class);
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// Interface implementation
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/**
* {@inheritDoc}
*/
public void savePointSelection(double pLat, double pLng)
{
if (points != null)
{
try
{
if (points.getSelectedRow() < 0)
{
points.insert(false);
}
points.setValues(new String[] {latitudeColumnName, longitudeColumnName},
new Object[] {BigDecimal.valueOf(pLat), BigDecimal.valueOf(pLng)});
points.saveSelectedRow();
}
catch (Exception ex)
{
/*Can only get in here when: groupDataBook == null
!groupDataBook.hasColumn(groupColumnName)
!groupDataBook.hasColumn(latitudeColumnName)
!groupDataBook.hasColumn(longitudeColumnName) */
ExceptionHandler.raise(ex);
}
}
}
/**
* {@inheritDoc}
*/
public void run()
{
try
{
updateState();
}
finally
{
firstNotifyRepaintCall = true;
}
}
/**
* {@inheritDoc}
*/
public void notifyRepaint()
{
if (firstNotifyRepaintCall)
{
firstNotifyRepaintCall = false;
getFactory().invokeLater(this);
}
}
/**
* {@inheritDoc}
*/
public void saveEditing() throws ModelException
{
//Editing not supported.
}
/**
* {@inheritDoc}
*/
public void cancelEditing()
{
//Editing not supported.
}
/**
* {@inheritDoc}
*/
public void setTranslation(TranslationMap pTranslation)
{
translationMap = pTranslation;
}
/**
* {@inheritDoc}
*/
public TranslationMap getTranslation()
{
return translationMap;
}
/**
* {@inheritDoc}
*/
public void setTranslationEnabled(boolean pTranslationEnabled)
{
translationEnabled = pTranslationEnabled;
}
/**
* {@inheritDoc}
*/
public boolean isTranslationEnabled()
{
return translationEnabled;
}
/**
* {@inheritDoc}
*/
public String translate(String pText)
{
if (translationMap != null && translationEnabled)
{
return translationMap.get(pText);
}
return pText;
}
/**
* {@inheritDoc}
*/
public IMapLocation createLocation(double pLatitude, double pLongitude)
{
return new VaadinMapLocation(pLatitude, pLongitude);
}
/**
* {@inheritDoc}
*/
public void setGroupColumnName(String pGroupColumnName)
{
groupColumnName = pGroupColumnName;
}
/**
* {@inheritDoc}
*/
public String getGroupColumnName()
{
return groupColumnName;
}
/**
* {@inheritDoc}
*/
public void setLatitudeColumnName(String pLatitudeColumnName)
{
latitudeColumnName = pLatitudeColumnName;
}
/**
* {@inheritDoc}
*/
public String getLatitudeColumnName()
{
return latitudeColumnName;
}
/**
* {@inheritDoc}
*/
public void setLongitudeColumnName(String pLongitudeColumnName)
{
longitudeColumnName = pLongitudeColumnName;
}
/**
* {@inheritDoc}
*/
public String getLongitudeColumnName()
{
return longitudeColumnName;
}
/**
* {@inheritDoc}
*/
public void setMarkerImageColumnName(String pMarkerImageColumnName)
{
markerImageColumnName = pMarkerImageColumnName;
}
/**
* {@inheritDoc}
*/
public String getMarkerImageColumnName()
{
return markerImageColumnName;
}
/**
* {@inheritDoc}
*/
public void setGroupsDataBook(IDataBook pGroups)
{
if (groups != null)
{
groups.removeControl(this);
}
groups = pGroups;
if (groups != null)
{
groups.addControl(this);
}
notifyRepaint();
}
/**
* {@inheritDoc}
*/
public IDataBook getGroupsDataBook()
{
return groups;
}
/**
* {@inheritDoc}
*/
public void setPointsDataBook(IDataBook pPoints)
{
if (points != null)
{
points.removeControl(this);
}
points = pPoints;
if (points != null)
{
points.addControl(this);
}
notifyRepaint();
}
/**
* {@inheritDoc}
*/
public IDataBook getPointsDataBook()
{
return points;
}
/**
* {@inheritDoc}
*/
public void setCenter(IMapLocation pLocation)
{
center = pLocation;
if (center == null)
{
resource.getState().position = new Point(0d, 0d);
}
else
{
resource.getState().position = (Point)center.getResource();
}
}
/**
* {@inheritDoc}
*/
public IMapLocation getCenter()
{
return center;
}
/**
* {@inheritDoc}
*/
public void setZoomLevel(int pZoomLevel)
{
zoomLevel = pZoomLevel;
resource.getState().zoomLevel = pZoomLevel;
}
/**
* {@inheritDoc}
*/
public int getZoomLevel()
{
return zoomLevel;
}
/**
* {@inheritDoc}
*/
public void setPointSelectionEnabled(boolean pEnable)
{
resource.getState().pointSelection = pEnable;
}
/**
* {@inheritDoc}
*/
public boolean isPointSelectionEnabled()
{
return resource.getState().pointSelection;
}
/**
* {@inheritDoc}
*/
public void setPointSelectionLockedOnCenter(boolean pEnable)
{
resource.getState().pointSelectionLockedOnCenter = pEnable;
}
/**
* {@inheritDoc}
*/
public boolean isPointSelectionLockedOnCenter()
{
return resource.getState().pointSelectionLockedOnCenter;
}
/**
* {@inheritDoc}
*/
public void setMarker(IImage pImage)
{
if (pImage == null)
{
markerImage = null;
}
else
{
markerImage = (VaadinImage)pImage.getResource();
}
notifyRepaint();
}
/**
* {@inheritDoc}
*/
public IImage getMarker()
{
return markerImage;
}
/**
* {@inheritDoc}
*/
public void setLineColor(IColor pColor)
{
lineColor = pColor;
notifyRepaint();
}
/**
* {@inheritDoc}
*/
public IColor getLineColor()
{
return lineColor;
}
/**
* {@inheritDoc}
*/
public void setFillColor(IColor pColor)
{
fillColor = pColor;
notifyRepaint();
}
/**
* {@inheritDoc}
*/
public IColor getFillColor()
{
return fillColor;
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// User-defined methods
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/**
* Updates the state with current groups and points.
*/
private void updateState()
{
Map stateObjects = new HashMap();
Point selectedPoint = null;
if (groups != null)
{
try
{
IDataRow row;
Number numLatitude;
Number numLongitude;
String groupName;
int iSelected = groups.getSelectedRow();
for (int i = 0; i < groups.getRowCount(); i++)
{
row = groups.getDataRow(i);
groupName = row.getValueAsString(groupColumnName);
if (!stateObjects.containsKey(groupName))
{
MapObject object = new MapObject();
object.groupName = groupName;
object.lineColor = lineColor != null ? ((VaadinColor)lineColor).getStyleValueRGB() : COLOR_DEFAULT_LINE.getStyleValueRGB();
object.fillColor = fillColor != null ? ((VaadinColor)fillColor).getStyleValueRGB() : COLOR_DEFAULT_FILL.getStyleValueRGB();
object.type = MapObjectType.POLYGON;
stateObjects.put(groupName, object);
}
numLatitude = (Number)row.getValue(latitudeColumnName);
numLongitude = (Number)row.getValue(longitudeColumnName);
if (numLatitude != null && numLongitude != null)
{
Point point = new Point();
point.latitude = numLatitude.doubleValue();
point.longitude = numLongitude.doubleValue();
stateObjects.get(groupName).points.add(point);
if (iSelected < 0 && i == 0)
{
selectedPoint = point;
}
else if (i == iSelected)
{
selectedPoint = point;
}
}
}
}
catch (Exception ex)
{
ExceptionHandler.show(ex);
}
}
if (points != null)
{
try
{
IDataRow row;
int iMarkerColPos = points.getRowDefinition().getColumnDefinitionIndex(markerImageColumnName);
boolean hasMarkerImage = iMarkerColPos >= 0;
boolean binary = false;
if (hasMarkerImage)
{
IDataType dtype = points.getRowDefinition().getColumnDefinition(iMarkerColPos).getDataType();
if (dtype.getTypeIdentifier() == BinaryDataType.TYPE_IDENTIFIER)
{
binary = true;
}
}
Number numLatitude;
Number numLongitude;
int iSelected = points.getSelectedRow();
for (int i = 0; i < points.getRowCount(); i++)
{
row = points.getDataRow(i);
numLatitude = (Number)row.getValue(latitudeColumnName);
numLongitude = (Number)row.getValue(longitudeColumnName);
if (numLatitude != null && numLongitude != null)
{
MapObject object = new MapObject();
object.groupName = "SinglePoint_" + i;
if (hasMarkerImage && row.getValue(markerImageColumnName) != null)
{
VaadinImage image = null;
if (binary)
{
byte[] byData = BinaryDataType.getContent(row.getValue(markerImageColumnName));
if (byData != null)
{
image = VaadinImage.getImage("marker_" + points.getName() + "_" + i, byData);
}
}
else
{
image = VaadinImage.getImage(row.getValueAsString(markerImageColumnName));
}
if (image != null)
{
object.image = createURLReference(image);
object.imageAnchorX = (int)(image.getWidth() / 2f);
object.imageAnchorY = image.getHeight();
}
}
else if (markerImage != null)
{
object.image = createURLReference(markerImage);
object.imageAnchorX = (int)(markerImage.getWidth() / 2f);
object.imageAnchorY = markerImage.getHeight();
}
Point point = new Point();
point.latitude = numLatitude.doubleValue();
point.longitude = numLongitude.doubleValue();
point.selected = iSelected == i;
object.points.add(point);
stateObjects.put(object.groupName, object);
if (iSelected < 0 && i == 0)
{
selectedPoint = point;
}
else if (i == iSelected)
{
selectedPoint = point;
}
}
}
}
catch (Exception ex)
{
ExceptionHandler.show(ex);
}
}
Point ptCenter = resource.getState().position;
//default position if no position was set
if (ptCenter.latitude == 0 && ptCenter.longitude == 0 && selectedPoint != null)
{
resource.getState().position = selectedPoint;
}
resource.getState().mapObjects = new ArrayList(stateObjects.values());
}
/**
* Creates the URLReference from given {@linkplain VaadinImage}.
*
* @param pImage The image to create the URLReference for.
* @return The URLReference for the client to get given image.
*/
private URLReference createURLReference(VaadinImage pImage)
{
URLReference result;
if (pImage.getName().contains("https://") || pImage.getName().contains("http://"))
{
result = new URLReference();
result.setURL(pImage.getName());
}
else
{
result = ResourceReference.create(pImage.getResource(), resource, pImage.getStyleName());
}
return result;
}
} // VaadinMap
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