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// 程序里用到一些别名 自己比较熟悉的 也可以不用这一步 同时修改那部分代码即可
// 增加一些方法名的别名
BMap.Map.prototype.bind = BMap.Map.prototype.addEventListener;
BMap.Map.prototype.unbind = BMap.Map.prototype.removeEventListener;
BMap.Marker.prototype.bind = BMap.Marker.prototype.addEventListener;
BMap.Marker.prototype.unbind = BMap.Marker.prototype.removeEventListener;
BMap.Polygon.prototype.bind = BMap.Polygon.prototype.addEventListener;
BMap.Polygon.prototype.unbind = BMap.Polygon.prototype.removeEventListener;
BMap.Circle.prototype.bind = BMap.Circle.prototype.addEventListener;
BMap.Circle.prototype.unbind = BMap.Circle.prototype.removeEventListener;
BMap.Polyline.prototype.bind = BMap.Polyline.prototype.addEventListener;
BMap.Polyline.prototype.unbind = BMap.Polyline.prototype.removeEventListener;
// 控制点对象
// 用于存储生成的控制点信息
// 内部使用类 一般不会在外部调用
function ControlPoint(obj,type,map,num,count,cp,ref){
this._obj = obj; // 所属对象
this._type = type; // 类型
this._map = map; // 所属地图对象
this._key = num; // 这个值和数组里的位置对应
this._keyNum = count;//总数
if(cp){
this._entity = cp; // 控制点
this._map.addOverlay(this._entity);
this._entity.hide();
}
if(ref){
this._ref = ref; // 参考
this._map.addOverlay(this._ref);
this._ref.hide();
}
var me = this;
if(me._ref&&me._entity){
function __ddd(e){
var path = me._ref.getPath();
path[me._key] = me._entity.getPosition();
me._ref.setPath(path);
}
me._entity.bind('dragstart',__ddd);
me._entity.bind('dragging',__ddd);
me._entity.bind('dragend',__ddd);
}
}
// 圆形的控制对象
function ControlCircle(obj,type,map,num,count,ref,center,point){ // center,point 是圆形控制器点
this._obj = obj; // 所属对象
this._type = type; // 类型
this._map = map; // 所属地图对象
this._key = num; // 这个值和数组里的位置对应
this._keyNum = count;//总数
if(ref){
this._ref = ref; // 参考
this._map.addOverlay(this._ref);
this._ref.hide();
}
if(center){
this._center = center;
this._map.addOverlay(this._center);
this._center.hide();
}
if(point){
this._point = point;
this._map.addOverlay(this._point);
this._point.hide();
}
var me = this;
if(center&&point&&ref){
function __cdd(e){
// 移动中心 获取中心位置 获取两点距离 重设圆心半径
var buf = me._center.getPosition();
var dis = BMapLib.GeoUtils.getDistance(me._center.getPosition(),me._point.getPosition());
me._ref.setCenter(buf);
me._ref.setRadius(dis);
}
function __pdd(e){
// 移动边界 获取距离 重设半径即可
var dis = BMapLib.GeoUtils.getDistance(me._center.getPosition(),me._point.getPosition());
me._ref.setRadius(dis);
}
me._center.bind('dragstart',__cdd);
me._center.bind('dragging',__cdd);
me._center.bind('dragend',__cdd);
me._point.bind('dragstart',__pdd);
me._point.bind('dragging',__pdd);
me._point.bind('dragend',__pdd);
}
}
// 曲线的控制对象
function ControlCurve(obj,type,map,num,count,ref,mainPoint,cp1,cp2){
this._obj = obj; // 所属对象
this._type = type; // 类型
this._map = map; // 所属地图对象
this._key = num; // 这个值和数组里的位置对应
this._keyNum = count;//总数
this._lineOpt = {
strokeColor:'#f00',
strokeWeight:2,
strokeOpacity:0.6,
strokeStyle:'dashed'
};
if(ref){
this._ref = ref; // 参考
this._map.addOverlay(this._ref);
this._ref.hide();
}
if(mainPoint){
this._mp = mainPoint;
this._map.addOverlay(this._mp);
this._mp.hide();
}
if(cp1){
this._cp1 = cp1;
this._cp1_mp = new BMap.Polyline([this._mp.getPosition(),this._cp1.getPosition()],this._lineOpt);
this._map.addOverlay(this._cp1);
this._map.addOverlay(this._cp1_mp);
this._cp1_mp.hide();
this._cp1.hide();
}
if(cp2){
this._cp2 = cp2;
this._cp2_mp = new BMap.Polyline([this._mp.getPosition(),this._cp2.getPosition()],this._lineOpt);
this._map.addOverlay(this._cp2);
this._map.addOverlay(this._cp2_mp);
this._cp2_mp.hide();
this._cp2.hide();
}
var me = this;
var preMP = me._mp.getPosition();
var preCP1,preCP2;
if(me._mp){
// 前一个位置和下一个位置
if(me._cp1) preCP1 = me._cp1.getPosition();
if(me._cp2) preCP2 = me._cp2.getPosition();
function __mds(e){
// 获取到点所在的位置
var posi = me._mp.getPosition();
var offsetx = posi.lng - preMP.lng;
var offsety = posi.lat - preMP.lat;
// 如果有cp1 重置cp1的位置 （和点mp联动） 设置cp1_mp的path 设置曲线的path
if(me._cp1) {
me._cp1.setPosition(new BMap.Point(preCP1.lng+offsetx,preCP1.lat+offsety));
me._cp1_mp.setPath([me._mp.getPosition(),me._cp1.getPosition()]);
preCP1 = me._cp1.getPosition();
}
// cp2 同理
if(me._cp2) {
me._cp2.setPosition(new BMap.Point(preCP2.lng+offsetx,preCP2.lat+offsety));
me._cp2_mp.setPath([me._mp.getPosition(),me._cp2.getPosition()]);
preCP2 = me._cp2.getPosition();
}
var cl = me._obj.getCommandList();
if(cl[me._key]._c=='M') cl[me._key]._params[0] = me._mp.getPosition();
if(cl[me._key]._c=='C') cl[me._key]._params[2] = me._mp.getPosition();
if(me._cp1) cl[me._key]._params[1] = me._cp1.getPosition();
if(me._cp2) cl[me._key+1]._params[0] = me._cp2.getPosition();
me._ref.setCommandList(cl);
preMP = me._mp.getPosition();
}
me._mp.bind('dragstart',__mds);
me._mp.bind('dragging',__mds);
me._mp.bind('dragend',__mds);
}
if(me._cp1){
function __cds1(e){
// 获取点的位置 获取命令列表 修改变动部分
me._cp1_mp.setPath([me._mp.getPosition(),me._cp1.getPosition()]);
preCP1 = me._cp1.getPosition();
var cl = me._obj.getCommandList();
cl[me._key]._params[1] = me._cp1.getPosition();
me._ref.setCommandList(cl);
}
me._cp1.bind('dragstart',__cds1);
me._cp1.bind('dragging',__cds1);
me._cp1.bind('dragend',__cds1);
}
if(me._cp2){
function __cds2(e){
me._cp2_mp.setPath([me._mp.getPosition(),me._cp2.getPosition()]);
preCP2 = me._cp2.getPosition();
var cl = me._obj.getCommandList();
cl[me._key+1]._params[0] = me._cp2.getPosition();
me._ref.setCommandList(cl);
}
me._cp2.bind('dragstart',__cds2);
me._cp2.bind('dragging',__cds2);
me._cp2.bind('dragend',__cds2);
}
}
// 编辑器类
function Editor(){
this._cp = new Array();// 控制点
this._defaultIcon = new BMap.Icon('mousetool_point.png',new BMap.Size(10,10));
this._blankIcon = new BMap.Icon('blank.gif',new BMap.Size(1,1));
this._markerOpt = {
icon:this._defaultIcon,
enableDragging:true
};
this._lineOpt = {
strokeColor:'#f00',
strokeWeight:2,
strokeOpacity:0.8,
strokeStyle:'solid'
};
this._circleflag = 0; //圆形的编辑模式 默认是圆形
}
// 添加需要编辑的图形
Editor.prototype.edit = function(obj){
if(obj instanceof BMap.Marker){
var type = "Marker";
var map = obj.getMap();
if(map==null) return ;
var num = 0; // 因为是一个点所以只有一个点
var count = 1;
var controlPoint = new BMap.Marker(obj.getPosition(),this._markerOpt);
controlPoint.setShadow(this._blankIcon);
var cp = new ControlPoint(obj,type,map,num,count,controlPoint);
this._cp.push(cp);
}else if(obj instanceof BMap.Polyline){
var type = "Polyline";
var map = obj.getMap();
if(map==null) return ;
var path = obj.getPath();
var count = path.length;
var num = 0;
var ref = new BMap.Polyline(path,this._lineOpt);
for( ; num<count ; num++ ){
var controlPoint = new BMap.Marker(path[num],this._markerOpt);
controlPoint.setShadow(this._blankIcon);
var cp = new ControlPoint(obj,type,map,num,count,controlPoint,ref);
this._cp.push(cp);
}
}else if(obj instanceof BMap.Polygon && !(obj instanceof BMap.Circle)){
var type = "Polygon";
var map = obj.getMap();
if(map==null) return ;
var path = obj.getPath();
var count = path.length;
var num = 0;
var ref = new BMap.Polygon(path,this._lineOpt);
for( ; num<count ; num++ ){
var controlPoint = new BMap.Marker(path[num],this._markerOpt);
controlPoint.setShadow(this._blankIcon);
var cp = new ControlPoint(obj,type,map,num,count,controlPoint,ref);
this._cp.push(cp);
}
}else if(obj instanceof BMap.Circle){
if(this._circleflag==0){
var type = "Circle";
var map = obj.getMap();
if(map==null) return ;
var point = obj.getPath()[30];
var center = obj.getCenter();
var radius = obj.getRadius();
var ref = new BMap.Circle(center,radius,this._lineOpt);
var count = 0;
var num = 0;
var cp1 = new BMap.Marker(center,this._markerOpt);
var cp2 = new BMap.Marker(point,this._markerOpt);
var cp = new ControlCircle(obj,type,map,num,count,ref,cp1,cp2);
this._cp.push(cp);
}else if(this._circleflag==1){
var type = "Polygon";
var map = obj.getMap();
if(map==null) return ;
var path = obj.getPath();
var count = path.length;
var num = 0;
var ref = new BMap.Polygon(path,this._lineOpt);
for( ; num<count ; num++ ){
var controlPoint = new BMap.Marker(path[num],this._markerOpt);
controlPoint.setShadow(this._blankIcon);
var cp = new ControlPoint(obj,type,map,num,count,controlPoint,ref);
this._cp.push(cp);
}
}
}else if(obj instanceof BMap.Curve){
var type = "Curve";
var map = obj.getMap();
if(map==null) return ;
var cl = obj.getCommandList(); // 命令点
var num = 0;
var count = cl.length;
var ref = new BMap.Curve(cl,{
"stroke-width":2,
"cursor":"pointer",
"stroke":"#f00",
"stroke-opacity":1
});
for(;num<count;num++){
var c = cl[num]; //控制点
// 判断命令
if(c._c=='M'){
var mp = new BMap.Marker(c._params[0],this._markerOpt);// 主要点
if(num+1<count&&cl[num+1]._c=='C'){ // 下一个是C的时候
var cp2 = new BMap.Marker(cl[num+1]._params[0],this._markerOpt);
var cc = new ControlCurve(obj,type,map,num,count,ref,mp,undefined,cp2);
this._cp.push(cc);
}else{ // 下一个不是C的时候 目前只支持M C
var cc = new ControlCurve(obj,type,map,num,count,ref,mp);
this._cp.push(cc);
}
}else if(c._c=='C'){
var mp = new BMap.Marker(c._params[2],this._markerOpt);
var cp1 = new BMap.Marker(c._params[1],this._markerOpt);
if(num+1<count&&cl[num+1]._c=='C'){ // 有下一个并且是C的时候
var cp2 = new BMap.Marker(cl[num+1]._params[0],this._markerOpt);
var cc = new ControlCurve(obj,type,map,num,count,ref,mp,cp1,cp2);
this._cp.push(cc);
}else{
var cc = new ControlCurve(obj,type,map,num,count,ref,mp,cp1);
this._cp.push(cc);
}
}
}
}
};
// 隐藏元图形 以编辑模式显示新的图形
Editor.prototype.open = function(){
for(var i=0;i<this._cp.length;i++){
var cp = this._cp[i];
if(cp._type == 'Marker'){
// 隐藏图形
cp._obj.hide();
//添加控制图形
cp._entity.show();
}else if(cp._type == 'Polyline'){
cp._obj.hide();
cp._entity.show();
cp._ref.show();
}else if(cp._type == 'Polygon'){
cp._obj.hide();
cp._entity.show();
cp._ref.show();
}else if(cp._type == 'Circle'){
cp._obj.hide();
cp._center.show();
cp._point.show();
cp._ref.show();
}else if(cp._type == 'Curve'){
cp._obj.hide();
cp._mp.show();
if(cp._cp1){
cp._cp1.show();
cp._cp1_mp.show();
}
if(cp._cp2){
cp._cp2.show();
cp._cp2_mp.show();
}
cp._ref.show();
}
}
};
// 将编辑好的图形 赋值并重新显示
Editor.prototype.close = function(){
for(var i=0;i<this._cp.length;i++){
var cp = this._cp[i];
if(cp._type == 'Marker'){
cp._obj.setPosition(cp._entity.getPosition());
cp._entity.hide();
cp._obj.show();
}else if(cp._type == 'Polyline'){
cp._obj.setPath(cp._ref.getPath());
cp._entity.hide();
cp._ref.hide();
cp._obj.show();
}else if(cp._type == 'Polygon'){
cp._obj.setPath(cp._ref.getPath());
cp._entity.hide();
cp._ref.hide();
cp._obj.show();
}else if(cp._type == 'Circle'){
cp._obj.setPath(cp._ref.getPath());
cp._center.hide();
cp._point.hide();
cp._ref.hide();
cp._obj.show();
}else if(cp._type == 'Curve'){
cp._obj.setCommandList(cp._ref.getCommandList());
cp._mp.hide();
if(cp._cp1){
cp._cp1.hide();
cp._cp1_mp.hide();
}
if(cp._cp2){
cp._cp2.hide();
cp._cp2_mp.hide();
}
cp._ref.hide();
cp._obj.show();
}
}
};
Editor.prototype.circleEditStyle = function(flag){
this._circleflag = flag;
};
// 需要在编辑之前设置
BMap.BMap_EDITOR_CIRCLE_EDIT_TYPE_1 = 0;
BMap.BMap_EDITOR_CIRCLE_EDIT_TYPE_2 = 1;
BMap.Editor = Editor;
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