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/*
* Copyright 2004-2013 ICEsoft Technologies Canada Corp.
*
* 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 com.icesoft.faces.component.gmap;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.StringTokenizer;
import javax.faces.component.UIComponent;
import javax.faces.component.UIPanel;
import javax.faces.context.FacesContext;
import javax.faces.el.ValueBinding;
import com.icesoft.faces.context.effects.JavascriptContext;
public class GMapMarker extends UIPanel{
public static final String COMPONENT_TYPE = "com.icesoft.faces.GMapMarker";
public static final String COMPONENT_FAMILY = "com.icesoft.faces.GMapMarker";
private Boolean draggable;
private String longitude;
private String latitude;
private transient String oldLongitude;
private transient String oldLatitude;
private List point = new ArrayList();
public GMapMarker() {
setRendererType(null);
}
public String getFamily() {
return COMPONENT_FAMILY;
}
public String getComponentType() {
return COMPONENT_TYPE;
}
public boolean getRendersChildren() {
return true;
}
public void encodeBegin(FacesContext context) throws IOException {
setRendererType(null);
super.encodeBegin(context);
String currentLat = getLatitude();
String currentLon = getLongitude();
//create a marker if lat and lon defined on the component itself
if (currentLat != null && currentLon != null
&& currentLat.length() > 0 && currentLon.length() > 0) {
if (!currentLat.equals(oldLatitude) ||
!currentLon.equals(oldLongitude)) {
//to dynamic support first to remove if any
JavascriptContext.addJavascriptCall(context,
"Ice.GoogleMap.removeMarker('"+ this.getParent()
.getClientId(context)+"', '"+ getClientId(context)+"');");
JavascriptContext.addJavascriptCall(context, "Ice.GoogleMap." +
"addMarker('"+ this.getParent().getClientId(context)+
"', '"+ getClientId(context)+"', " +
"'new google.maps.Marker({map:map, position:new google.maps.LatLng("+ currentLat+","+ currentLon +"), draggable:"+ isDraggable() +"})');");
}
oldLatitude = currentLat;
oldLongitude = currentLon;
}
}
public void encodeChildren(FacesContext context) throws IOException {
if (getChildCount() == 0 )return;
Iterator kids = getChildren().iterator();
while (kids.hasNext()) {
UIComponent kid = (UIComponent) kids.next();
kid.encodeBegin(context);
if (kid.getRendersChildren()) {
kid.encodeChildren(context);
}
kid.encodeEnd(context);
if (kid instanceof GMapLatLng) {
String call = kid.getAttributes().get("latLngScript").toString();
//if dynamically changed then remove the previous one
if (call.endsWith("changed") || !kid.isRendered() || !isRendered()) {
call = call.substring(0, call.length() - "changed".length());
JavascriptContext.addJavascriptCall(context,
"Ice.GoogleMap.removeMarker('"+ this.getParent()
.getClientId(context)+"', '"+ kid.getClientId(context)+"');");
}
if (!kid.isRendered() || !isRendered()) continue;
JavascriptContext.addJavascriptCall(context, "Ice.GoogleMap." +
"addMarker('"+ this.getParent().getClientId(context)+
"', '"+ kid.getClientId(context)+"', 'new google.maps.Marker({map:map, position:"+ call +", draggable:true})');");
} else if(kid instanceof GMapLatLngs) {
//The list of GMapLatLngs can be dynamic so first remove previously
//added markers
Iterator it = point.iterator();
while (it.hasNext()) {
JavascriptContext.addJavascriptCall(context, "Ice.GoogleMap." +
"removeMarker('"+ this.getParent()
.getClientId(context)+"', '"+ it.next() +"');");
}
point.clear();
if (!kid.isRendered() || !isRendered()) continue;
//now add the fresh list of the markers
StringTokenizer st = new StringTokenizer(kid.getAttributes()
.get("latLngsScript").toString(), ";");
while(st.hasMoreTokens()) {
String[] scriptInfo = st.nextToken().split("kid-id");
String call = scriptInfo[0];
String latLngId = scriptInfo[1];
point.add(latLngId);
JavascriptContext.addJavascriptCall(context, "Ice.GoogleMap." +
"addMarker('"+ this.getParent().getClientId(context)+
"', '"+ latLngId +"', 'new google.maps.Marker({map:map, position:"+ call +", draggable:true})');");
}
}
}
}
public boolean isDraggable() {
if (draggable != null) {
return draggable.booleanValue();
}
ValueBinding vb = getValueBinding("draggable");
return vb != null ?
((Boolean) vb.getValue(getFacesContext())).booleanValue() :
false;
}
public void setDraggable(boolean draggable) {
this.draggable = new Boolean(draggable);
}
public String getLongitude() {
if (longitude != null) {
return longitude;
}
ValueBinding vb = getValueBinding("longitude");
return vb != null ? (String) vb.getValue(getFacesContext()) : null;
}
public String getLatitude() {
if (latitude != null) {
return latitude;
}
ValueBinding vb = getValueBinding("latitude");
return vb != null ? (String) vb.getValue(getFacesContext()) : null;
}
public void setLongitude(String longitude) {
this.longitude = longitude;
}
public void setLatitude(String latitude) {
this.latitude = latitude;
}
private transient Object values[];
public void restoreState(FacesContext context, Object state) {
values = (Object[])state;
super.restoreState(context, values[0]);
latitude = (String)values[1];
longitude = (String)values[2];
draggable = (Boolean)values[3];
point = (List) values[4];
}
public Object saveState(FacesContext context) {
if(values == null){
values = new Object[5];
}
values[0] = super.saveState(context);
values[1] = latitude;
values[2] = longitude;
values[3] = draggable;
values[4] = point;
return values;
}
public boolean isRendered() {
boolean rendered = super.isRendered();
if (!rendered) {
FacesContext context = getFacesContext();
JavascriptContext.addJavascriptCall(context,
"Ice.GoogleMap.removeOverlay('"+ this.getParent()
.getClientId(context)+"', '"+ getClientId(context)+"');");
oldLongitude = null;
oldLatitude = null;
}
return rendered;
}
}