Addition of some javascript files, for functionalities explained earlier.

phpgwapi/js/dynapi/ext/functions.system.js

@@ -0,0 +1,87 @@
+/*
+	DynAPI Distribution
+	dynapi.functions.System extension	
+*/
+
+var f = dynapi.functions;
+f.System = System = {}; // used by dynapi.library
+
+// System Functions ---------------------------------
+
+f.coalesce=function(){
+	var a,i;
+	for(i=0;arguments.length;i++){
+		a=arguments[i];
+		if(a!=null && a!='' && a!=undefined) return a;
+	}
+}
+f.choose = function(index){
+	if(isNaN(index)) return;
+	if (arguments.length>index) return arguments[index+1];
+};
+f.cloneObject = function(src) {
+	if(!src) return;
+	var i,tar;
+	if(typeof(src)!='object') return src;
+	else {
+		if((src.constructor+'')==(Array+'')) tar=[];
+		else if((src.constructor+'')==(Date+'')) return src;
+		else tar={};
+	};
+	for(i in src) {
+		if(typeof(src[i])!='object') tar[i]=src[i];
+		else tar[i]=this.cloneObject(src[i]);
+	}
+	return tar;
+};
+f.copyObject = function(from,to,noclone) {
+	var i;
+	if (to && !noclone) to=this.cloneObject(to);
+	else if(to && noclone) to=to;
+	else {
+		if(typeof(from)=='object') {
+			if((from.constructor+'')==(Array+'')) to=[];
+			else if((from.constructor+'')==(Date+'')) return from;
+			else to={};
+		};
+	}
+	for(i in from) {
+		if(typeof(from[i])!='object') to[i]=from[i];
+		else to[i]=this.copyObject(from[i],to[i],true);
+	}
+	return to;
+};
+f.getElementById = function(id,parentLyr){
+	if (document.all) return document.all[id];
+	else if(document.getElementById) return document.getElementById(id);
+	else if(document.layers){
+		var i,nLayers,layer;
+		parentLyr = (parentLyr)? parentLyr:document;
+		nLayers = parentLyr.layers;
+		for (i=0;i<nLayers;i++){
+			layer=nLayers[i];
+			if (layer.id == id) return layer;
+			else if (layer.layers.length){
+				layer = this.getElementById(id,layer);
+				if (layer) return layer;
+			}				
+		}
+	}
+};
+f.isNull=function(value,_default){
+	if(value==null||value==''||value=='undefined') return _default;
+	else return value;
+};
+f.lookUp = function(value,array){
+	var i; if(!array) return;
+	for(i=0;i<array.length;i++){
+		if(value==array[i]) return i;
+	}
+};
+f.nullIf = function(){
+	var a,i;
+	for(i=0;arguments.length;i++){
+		a=arguments[i];
+		if(a!=null && a!='' && a!=undefined) return null;
+	}
+};