mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-11-18 14:03:19 +01:00
88 lines
2.1 KiB
JavaScript
88 lines
2.1 KiB
JavaScript
/*
|
|
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;
|
|
}
|
|
};
|