1+ class Event {
2+ constructor ( ) {
3+ this . stacks = { } ;
4+ }
5+ 6+ on ( type , cb ) {
7+ this . stacks [ type ] = this . stacks [ type ] || [ ] ;
8+ this . stacks [ type ] . push ( cb ) ;
9+ }
10+ emit ( type ) {
11+ this . stacks [ type ] ?. forEach ( ( cb ) => {
12+ cb ( ) ;
13+ } ) ;
14+ }
15+ }
16+ const event = new Event ( ) ;
117class Scene {
218 constructor ( ) {
319 this . layerService = {
@@ -6,12 +22,16 @@ class Scene {
622 startAnimate : ( ) => true
723 } ;
824 this . callbacks = { } ;
25+ event . stacks = { } ;
926 }
1027 removeAllLayer ( ) { }
1128 getLayer ( ) {
1229 return true ;
1330 }
1431 addLayer ( ) {
32+ setTimeout ( ( ) => {
33+ event . emit ( 'add' ) ;
34+ } , 100 ) ;
1535 return true ;
1636 }
1737 removeLayer ( ) {
@@ -49,10 +69,9 @@ class Layer {
4969 this . layerModel = {
5070 spriteAnimate : false
5171 } ;
52- this . stacks = { } ;
5372 this . rawConfig = options ;
5473 this . layerSource = {
55- originData : { type : 'FeatureCollection' , features : [ ] } ,
74+ originData : { type : 'FeatureCollection' , features : [ ] } ,
5675 data : {
5776 dataArray : [ ]
5877 }
@@ -69,7 +88,7 @@ class Layer {
6988 }
7089 const newFeature = {
7190 properties : { } ,
72- geometry : { type : '' , coordinates : [ ] } ,
91+ geometry : { type : '' , coordinates : [ ] }
7392 } ;
7493 const coordinates = item . coordinates ;
7594 delete item . coordinates ;
@@ -81,12 +100,12 @@ class Layer {
81100 } ) ;
82101 return res ;
83102 }
84- }
103+ } ;
85104 }
86105 source ( data , options = { } ) {
87- const parser = options . parser || { type : " geojson" } ;
106+ const parser = options . parser || { type : ' geojson' } ;
88107 let dataArray = [ ] ;
89- if ( parser . type === " geojson" ) {
108+ if ( parser . type === ' geojson' ) {
90109 dataArray = data ;
91110 }
92111 if ( parser . type === 'json' ) {
@@ -105,18 +124,18 @@ class Layer {
105124 this . layerSource = {
106125 ...options ,
107126 parser,
108- originData : data . features ? data : { type : 'FeatureCollection' , features : data } ,
127+ originData : data . features ? data : { type : 'FeatureCollection' , features : data } ,
109128 data : {
110- dataArray : parser . type === " geojson" data : [ ]
129+ dataArray : parser . type === ' geojson' data : [ ]
111130 }
112131 } ;
113- if ( parser . type === " mvt" ) {
132+ if ( parser . type === ' mvt' ) {
114133 this . layerSource . tileset = {
115- cacheTiles : this . rawConfig . name . includes ( " empty" )
134+ cacheTiles : this . rawConfig . name . includes ( ' empty' )
116135 ? new Map ( )
117136 : new Map ( [
118137 [
119- "0" ,
138+ '0' ,
120139 {
121140 data : {
122141 vectorLayerCache : {
@@ -155,7 +174,7 @@ class Layer {
155174 }
156175 shape ( type ) {
157176 this . shape = type ;
158- if ( this . shape === " sprite" ) {
177+ if ( this . shape === ' sprite' ) {
159178 this . layerModel = {
160179 spriteAnimate : true
161180 } ;
@@ -174,27 +193,20 @@ class Layer {
174193 return this ;
175194 }
176195 getSource ( ) {
177- const sourceInfo = {
178- on : ( type , cb ) => {
179- this . stacks [ type ] = [ cb ] ;
180- } ,
181- emit : type => {
182- this . stacks [ type ] . forEach ( cb => {
183- cb ( ) ;
184- } ) ;
185- }
186- } ;
196+ const sourceInfo = event ;
187197 sourceInfo . _data = this . layerSource . originData ;
188198 sourceInfo . getData = ( ) => this . layerSource . originData ;
189199 sourceInfo . setData = this . setData ;
190200 return sourceInfo ;
191201 }
192202 setData ( data ) {
193203 this . layerSource . originData = data ;
194- this . getSource ( ) . emit ( " update" ) ;
204+ this . getSource ( ) . emit ( ' update' ) ;
195205 }
196206
197- on ( ) { }
207+ on ( type , cb ) {
208+ event . on ( type , cb ) ;
209+ }
198210
199211 once ( ) { }
200212
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