mlca_Ruleset.js

/*
  Ruleset: a set of rules for a determined layer
  
  -ruleList: rule[]
  
  specs: {ruleList}
  
  +run(coordinate): Return a boolean telling if a rule succeeded. 
					Try to apply one of the rules in rule List then exit.
*/

mlca.Ruleset = function(specs){
	'use strict';
    this.ruleList = specs.ruleList;
    this.layerID = specs.layerID;
    this.layerRef = mlca.layerList.getLayerByID(this.layerID);
};

mlca.Ruleset.prototype = {
    ruleList: [],
    run: function(coords){
	'use strict';
	var i, ret = false;
	for(i = 0; i< this.ruleList.length; i+=1){
	    if (this.ruleList[i].apply(coords)){
		ret = true; 
		break;
	    }
	}
	if (ret === false){
	    if (this.layerRef === undefined){
		this.layerRef = mlca.layerList.getLayerByID(this.layerID);
	    }
	    this.layerRef.write(coords,this.layerRef.read(coords));
	}
	return ret;
    }
};