/**
*
* Copyright 2014 sourceforge.
*
* 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.gwtopenmaps.openlayers.client.layer;
import org.gwtopenmaps.openlayers.client.Bounds;
import org.gwtopenmaps.openlayers.client.OpenLayersObjectWrapper;
import org.gwtopenmaps.openlayers.client.Style;
import org.gwtopenmaps.openlayers.client.StyleMap;
import org.gwtopenmaps.openlayers.client.event.EventHandler;
import org.gwtopenmaps.openlayers.client.event.EventObject;
import org.gwtopenmaps.openlayers.client.event.EventType;
import org.gwtopenmaps.openlayers.client.event.VectorAfterFeatureModifiedListener;
import org.gwtopenmaps.openlayers.client.event.VectorAfterFeatureModifiedListener.AfterFeatureModifiedEvent;
import org.gwtopenmaps.openlayers.client.event.VectorBeforeFeatureAddedListener;
import org.gwtopenmaps.openlayers.client.event.VectorBeforeFeatureAddedListener.BeforeFeatureAddedEvent;
import org.gwtopenmaps.openlayers.client.event.VectorBeforeFeatureModifiedListener;
import org.gwtopenmaps.openlayers.client.event.VectorBeforeFeatureModifiedListener.BeforeFeatureModifiedEvent;
import org.gwtopenmaps.openlayers.client.event.VectorFeatureAddedListener;
import org.gwtopenmaps.openlayers.client.event.VectorFeatureAddedListener.FeatureAddedEvent;
import org.gwtopenmaps.openlayers.client.event.VectorFeatureModifiedListener;
import org.gwtopenmaps.openlayers.client.event.VectorFeatureModifiedListener.FeatureModifiedEvent;
import org.gwtopenmaps.openlayers.client.event.VectorFeatureRemovedListener;
import org.gwtopenmaps.openlayers.client.event.VectorFeatureRemovedListener.FeatureRemovedEvent;
import org.gwtopenmaps.openlayers.client.event.VectorFeatureSelectedListener;
import org.gwtopenmaps.openlayers.client.event.VectorFeatureSelectedListener.FeatureSelectedEvent;
import org.gwtopenmaps.openlayers.client.event.VectorFeatureUnselectedListener;
import org.gwtopenmaps.openlayers.client.event.VectorFeatureUnselectedListener.FeatureUnselectedEvent;
import org.gwtopenmaps.openlayers.client.event.VectorVertexModifiedListener;
import org.gwtopenmaps.openlayers.client.event.VectorVertexModifiedListener.VertexModifiedEvent;
import org.gwtopenmaps.openlayers.client.feature.VectorFeature;
import org.gwtopenmaps.openlayers.client.filter.Filter;
import org.gwtopenmaps.openlayers.client.protocol.Protocol;
import org.gwtopenmaps.openlayers.client.util.JObjectArray;
import org.gwtopenmaps.openlayers.client.util.JSObject;
/**
*
* @author Erdem Gunay
* @author Edwin Commandeur - Atlis EJS
* @author Curtis Jensen
* @author Lukas Johansson
*/
public class Vector extends Layer {
private VectorOptions vectorOptions;
protected Vector(JSObject vector) {
super(vector);
}
public Vector(String name) {
this(VectorImpl.create(name));
}
public Vector(String name, VectorOptions options) {
this(VectorImpl.create(name, options.getJSObject()));
this.vectorOptions = options;
}
/**
* Get the VectorOptions.
*
* @return The VectorOptions.
*/
public VectorOptions getVectorOptions() {
return this.vectorOptions;
}
public void addFeatures(VectorFeature[] features) {
JObjectArray a = new JObjectArray(features);
VectorImpl.addFeatures(getJSObject(), a.getJSObject());
/*
* Solution without relay (see VectorImpl): for(int i = 0, max =
* features.length; i < max; i++){ addFeature(features[i]); }
*/
}
public void addFeature(VectorFeature f) {
VectorImpl.addFeature(getJSObject(), f.getJSObject());
}
@Override
public boolean redraw() {
return VectorImpl.redraw(this.getJSObject());
}
public void drawFeature(VectorFeature vector) {
VectorImpl.drawFeature(this.getJSObject(), vector.getJSObject());
}
public void drawFeature(VectorFeature vector, Style style) {
VectorImpl.drawFeature(this.getJSObject(), vector.getJSObject(),
style.getJSObject());
}
public void eraseFeatures() {
VectorImpl.eraseFeatures(this.getJSObject());
}
public void removeFeature(VectorFeature feature) {
VectorImpl.removeFeature(getJSObject(), feature.getJSObject());
}
public void removeFeatures(VectorFeature[] features) {
JSObject[] o = new JSObject[features.length];
for (int i = 0; i < features.length; i++) {
o[i] = features[i].getJSObject();
}
VectorImpl.removeFeature(getJSObject(),
new JObjectArray(o).getJSObject());
}
public int getNumberOfFeatures() {
return VectorImpl.getNumberOfFeatures(getJSObject());
}
public int getNumberOfSelectedFeatures() {
return VectorImpl.getNumberOfSelectedFeatures(getJSObject());
}
public OpenLayersObjectWrapper getProtocol() {
return Protocol.narrowToOpenLayersObjectWrapper(
getJSObject().getProperty(
"protocol"));
}
public void setStyle(Style style) {
VectorImpl.setStyle(getJSObject(), style.getJSObject());
}
public Style getStyle() {
return Style.narrowToOpenLayersStyle(VectorImpl.getStyle(getJSObject()));
}
public void setStyleMap(StyleMap styleMap) {
VectorImpl.setStyleMap(getJSObject(), styleMap.getJSObject());
}
public StyleMap getStyleMap() {
return StyleMap.narrowToOpenLayersStyleMap(VectorImpl.getStyleMap(
getJSObject()));
}
/**
* @return Array of VectorFeature objects or null if layer does not contain
* any features
*/
public VectorFeature[] getFeatures() {
int nr = getNumberOfFeatures();
if (nr < 1) {
return null;
} else {
VectorFeature[] vfs = new VectorFeature[nr];
for (int i = 0; i < nr; i++) {
VectorFeature vf = VectorFeature.narrowToVectorFeature(
VectorImpl.getFeature(
getJSObject(), i));
vfs[i] = vf;
}
return vfs;
}
}
/**
* Destroy all features in the vector layer
*/
public void destroyFeatures() {
VectorImpl.destroyFeatures(getJSObject());
}
public VectorFeature getFeatureById(String id) {
return VectorFeature.narrowToVectorFeature(VectorImpl.getFeatureById(
getJSObject(), id));
}
/**
* Gets an array of all selected features.
*
* @return Array of VectorFeature objects or null if layer does not contain
* any features
*/
public VectorFeature[] getSelectedFeatures() {
int nr = getNumberOfSelectedFeatures();
if (nr < 1) {
return null;
} else {
VectorFeature[] vfs = new VectorFeature[nr];
for (int i = 0; i < nr; i++) {
VectorFeature vf = VectorFeature.narrowToVectorFeature(
VectorImpl.getSelectedFeature(
getJSObject(), i));
vfs[i] = vf;
}
return vfs;
}
}
public void addVectorFeatureModifiedListener(
final VectorFeatureModifiedListener listener) {
eventListeners.addListener(this, listener,
EventType.VECTOR_FEATURE_MODIFIED,
new EventHandler() {
@Override
public void onHandle(EventObject eventObject) {
FeatureModifiedEvent e = new FeatureModifiedEvent(
eventObject);
listener.onFeatureModified(e);
}
});
}
public void addVectorFeatureAddedListener(
final VectorFeatureAddedListener listener) {
eventListeners.addListener(this, listener,
EventType.VECTOR_FEATURE_ADDED,
new EventHandler() {
@Override
public void onHandle(EventObject eventObject) {
FeatureAddedEvent e = new FeatureAddedEvent(eventObject);
listener.onFeatureAdded(e);
}
});
}
public void addVectorFeatureRemovedListener(
final VectorFeatureRemovedListener listener) {
eventListeners.addListener(this, listener,
EventType.VECTOR_FEATURE_REMOVED,
new EventHandler() {
@Override
public void onHandle(EventObject eventObject) {
FeatureRemovedEvent e = new FeatureRemovedEvent(
eventObject);
listener.onFeatureRemoved(e);
}
});
}
public void addVectorFeatureSelectedListener(
final VectorFeatureSelectedListener listener) {
eventListeners.addListener(this, listener,
EventType.VECTOR_FEATURE_SELECTED,
new EventHandler() {
@Override
public void onHandle(EventObject eventObject) {
FeatureSelectedEvent e = new FeatureSelectedEvent(
eventObject);
listener.onFeatureSelected(e);
}
});
}
public void addVectorFeatureUnselectedListener(
final VectorFeatureUnselectedListener listener) {
eventListeners.addListener(this, listener,
EventType.VECTOR_FEATURE_UNSELECTED,
new EventHandler() {
@Override
public void onHandle(EventObject eventObject) {
FeatureUnselectedEvent e = new FeatureUnselectedEvent(
eventObject);
listener.onFeatureUnselected(e);
}
});
}
public void addVectorBeforeFeatureAddedListener(
final VectorBeforeFeatureAddedListener listener) {
eventListeners.addListener(this, listener,
EventType.VECTOR_BEFORE_FEATURE_ADDED,
new EventHandler() {
@Override
public void onHandle(EventObject eventObject) {
BeforeFeatureAddedEvent e = new BeforeFeatureAddedEvent(
eventObject);
listener.onBeforeFeatureAdded(e);
}
});
}
/**
* Add Listener for AfterModifiedEvent
*
* @param listener
*/
public void addVectorAfterFeatureModifiedListener(
final VectorAfterFeatureModifiedListener listener) {
eventListeners.addListener(this, listener,
EventType.VECTOR_AFTER_FEATURE_MODIFIED,
new EventHandler() {
@Override
public void onHandle(EventObject eventObject) {
// TODO Auto-generated method stub
AfterFeatureModifiedEvent e = new AfterFeatureModifiedEvent(
eventObject);
listener.onAfterFeatureModified(e);
}
});
}
/**
* Add Listener for BeforeModifiedEvent
*
* @param listener
*/
public void addVectorBeforeFeatureModifiedListener(
final VectorBeforeFeatureModifiedListener listener) {
eventListeners.addListener(this, listener,
EventType.VECTOR_BEFORE_FEATURE_MODIFIED,
new EventHandler() {
@Override
public void onHandle(EventObject eventObject) {
// TODO Auto-generated method stub
BeforeFeatureModifiedEvent e = new BeforeFeatureModifiedEvent(
eventObject);
listener.onBeforeFeatureModified(e);
}
});
}
/**
* Add Listener for VertexModifiedEvent
*
* @param listener
*/
public void addVectorVertexModifiedListener(
final VectorVertexModifiedListener listener) {
eventListeners.addListener(this, listener,
EventType.VECTOR_FEATURE_VERTEX_MODIFIED,
new EventHandler() {
@Override
public void onHandle(EventObject eventObject) {
// TODO Auto-generated method stub
VertexModifiedEvent e = new VertexModifiedEvent(
eventObject);
listener.onVertexModifiedEvent(e);
}
});
}
/**
* Calculates the max extent which includes all of the features of this
* vetor layer.
*
* @return The bounds of the max extend calculated
*/
public Bounds getDataExtent() {
return Bounds.narrowToBounds(VectorImpl.getDataExtentImp(getJSObject()));
}
/**
* Set a filter, or unset the filter if passed filter is null.
*
* @param filter The filter to set
*/
public void setFilter(final Filter filter) {
if (filter != null) {
getJSObject().setProperty("filter", filter.getJSObject());
} else {
getJSObject().unsetProperty("filter");
}
}
/**
* This causes text and geometry to be rendered in the same container. Can
* be used to fix weird overlapping of texts.
*
* @see
* http://osgeo-org.1560.n6.nabble.com/Problems-with-labels-td4991177.html
*/
public void setTextRootRendererToVectorRootRenderer() {
getJSObject().getProperty("renderer").setProperty("textRoot",
getJSObject().getProperty("renderer").getProperty("vectorRoot"));
}
public VectorFeature getFeatureByFid(String featureFID) {
return VectorFeature.narrowToVectorFeature(VectorImpl.getFeatureByFid(
getJSObject(), featureFID));
}
public void removeAllFeatures() {
VectorImpl.removeAllFeatures(getJSObject());
}
@Override
protected <L extends Layer> LayerCreator<L> getLayerCreator() {
return new LayerCreator<L>() {
public L createLayer(JSObject jsObject) {
return (L) new Vector(jsObject);
}
};
}
}