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117 lines
2.9 KiB
JavaScript
117 lines
2.9 KiB
JavaScript
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class ObjectIdManager
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{
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maxId = 1;
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objectList = [];
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//todo: should use all worldlist
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generateNewUniqueId(world){
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this.maxId += 1;
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return this.maxId;
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}
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scene = "";
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setCurrentScene(scene, done)
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{
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if (scene != this.scene)
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{
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this.scene = scene;
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this.load_obj_ids_of_scene(scene, done);
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}
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}
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forceUpdate(done)
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{
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this.load_obj_ids_of_scene(this.scene, done);
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}
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// should just tell editor
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// don't change html elements directly.
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setObjdIdListOptions()
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{
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let objSelOptions = this.objectList.map(function(c){
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return "<option value="+c.id+">"+String(c.id) +"-"+ c.category+"</option>";
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}).reduce(function(x,y){return x+y;},
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"<option>--object--</option>");
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document.getElementById("object-selector").innerHTML = objSelOptions;
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let objIdsOptions = this.objectList.map(function(c){
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return "<option value="+c.id+">"+c.category+"</option>";
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}).reduce(function(x,y){return x+y;},
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//"<option value='auto'></option><option value='new'></option>");
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//"<option value='new'>suggest a new id</option>"
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""
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);
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document.getElementById("obj-ids-of-scene").innerHTML = objIdsOptions;
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}
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sortObjIdList()
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{
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this.objectList = this.objectList.sort(function(x, y){
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return parseInt(x.id) - parseInt(y.id);
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});
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}
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// called when 1) new object 2) category/id modified
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addObject(obj)
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{
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if (! this.objectList.find(x=>x.id == obj.id && x.category == obj.category))
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{
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this.objectList.push(obj);
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this.sortObjIdList();
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this.setObjdIdListOptions();
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if (obj.id > this.maxId)
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{
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this.maxId = parseInt(obj.id);
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}
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}
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}
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load_obj_ids_of_scene(scene, done){
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var xhr = new XMLHttpRequest();
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// we defined the xhr
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let self =this;
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xhr.onreadystatechange = function() {
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if (this.readyState != 4)
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return;
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if (this.status == 200) {
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var ret = JSON.parse(this.responseText);
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self.objectList = ret;
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self.sortObjIdList();
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self.maxId = Math.max(...ret.map(function(x){return x.id;}));
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if (self.maxId < 0) // this is -infinity if there is no ids.
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self.maxId = 0;
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self.setObjdIdListOptions();
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if (done)
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done(ret)
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}
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};
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xhr.open('GET', "/objs_of_scene?scene="+scene, true);
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xhr.send();
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}
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getObjById(id)
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{
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return this.objectList.find(x=>x.id == id);
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}
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}
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let objIdManager = new ObjectIdManager();
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export {objIdManager}; |