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/*
Web Application Framework functions
Created 23-Jan-2005 By Raymond Irving - Based on DynAPI 3
This Framework is Distribution is distributed under the terms of the GNU LGPL license.
*/
// WebElement - Basic
function WebElement(elm) {
var b,dt;
if(!elm) return;
dt = typeof(elm);
if (dt=='string') elm = document.getElementById(elm);
else if(dt!='object') return;
if(!elm) return;
if(!elm.id) elm.id = "WebElm" + document._cn++;
// assign functions
var o = WebElement;
if (!elm.style) elm.style = elm; // ns4
if (!elm._created) { // check if already created
elm._created = true;
elm.enabled = (elm.disabled)? true:false;
elm.setId = o.setId;
elm.addEventListener = o.addEventListener;
elm.removeEventListener = o.removeEventListener;
elm.removeAllEventListeners = o.removeAllEventListeners;
elm.invokeEvent = o.invokeEvent;
}
return elm;
};
var w = WebElement;
w._evtCnt = 0;
w.Zero = function(){return 0};
w.setId = function(id) {
var d = document;
if (this.id) delete d.__objcache[this.id];
this.id = id; d.__objcache[this.id] = this;
};
w.addEventListener = function(evt,fn) {
var oldevtfn;
var el,evtid;
if(!evt) return null;
else evt = (evt+'').toLowerCase();
if (fn) {
if (this[evt] && this[evt]!=WebElement._eventHandler) {
oldevtfn = this[evt];
this[evt] = "";
if (typeof oldevtfn == "string")
oldevtfn = new Function ("event", oldevtfn);
}
if(!this._events) this._events={};
if(!(el=this._events[evt])) this._events[evt]=el=[];
evtId = evt + (WebElement._evtCnt++);
el[el.length]=evtId;
this[evtId]=fn;
}
if(evt!="onload" && evt!="onunload" && evt!="onresize" && evt!="onscroll") {
this[evt] = WebElement._eventHandler;
}
if(oldevtfn) this.addEventListener(evt,oldevtfn);
if (evt=='oninit' && document.init) this[evtId]();
else if (evt=='onload' && document.loaded) this[evtId]();
};
w.removeEventListener = function(evt) {
var i,el;
if(!evt) return null;
else evt = (evt+'').toLowerCase();
if (!this._events) return null;
if(el = this._events[evt]) delete this._events[evt];
if (el) for(i=0;i<el.length;i++){
delete this[el[i]];
}
};
w.removeAllEventListeners = function() {
var evt;
for(evt in this._events) this.removeEventListener(evt);
delete this._events;
this._events = [];
};
w.invokeEvent = function(evt,e,args) {
var i,id,fn,rt,el;
evt = (evt+'').toLowerCase();
if (!e) e = new WebEvent(evt,this);
e.src = this;
e.type = evt;
if(this._events) {;
if((el = this._events[evt])) for (var i=0;i<el.length;i++) {
fn = this[el[i]];
if(fn) fn(e,args);
if (!e.propagate) break;
}
}
id = this.id;
if (this == document) id = 'document';
fn = document.winframe[id+'_'+evt];
if (fn) rt = fn(e,args);
if (evt=='onload' && id=='document') document.loaded = true;
return rt;
};
w._eventHandler = function(e){
if(!e) e = document.winframe.event;
evt = ('on'+e.type).toLowerCase();
e1 = new WebEvent(evt,this,e);
this.invokeEvent(evt,e1);
};
// WebEvent
function WebEvent(type,src,e) {
this.type = type;
this.src = src;
this.origin = src;
this.propagate = true;
this.bubble = false;
this.bubbleChild = null;
this.defaultValue = true;
this.button = (e) ? e.button:0;
};
w = WebEvent.prototype;
w.getType = function() {return this.type};
w.getSource = function() {return this.src};
w.getOrigin=function() {return this.origin};
w.stopPropagation = function() {this.propagate = false};
w.preventBubble = function() {this.bubble = false};
w.preventDefault = function() {this.defaultValue = false};
w.getBubbleChild = function() {return this.bubbleChild};
// Document - the main object
var d= document;
d._cn = 0; //counter
d.initWebElm = true;
d.version = '1.0 Beta 1';
d.init = false;
d.loaded = false;
d.loadedjs = [];
d.__objcache = {};
d = new WebElement(document); // wrap webelement around document;
d.ua = new UserAgent();
d.api = {
True : function() {return true},
False : function() {return false},
Null : function() {},
Zero : function() {return 0;},
Allow : function() {
event.cancelBubble = true;
return true;
},
Deny : function() {
event.cancelBubble = false;
return false;
},
getURLArguments : function(o) { // pass a string or frame/layer object
var url,l={};
var ua = document.ua;
if (typeof(o)=="string") url = o;
else if (ua.ns4 && o.src) url = o.src;
else if (o.document) url = o.document.location.href;
else return l;
var s = url.substring(url.indexOf('?')+1);
var a = s.split('&');
for (var i=0;i<a.length;i++) {
var b = a[i].split('=');
l[b[0]] = unescape(b[1]);
}
return l;
}
};
// setup winframe
d.winframe = window;
winFrameOnload = function() {
var rt,d = document;
d.loaded = true;
if(d.winframe.document_onclick) d.addEventListener("onclick",d.winframe.document_onclick);
if (!d.ua.supported) rt = d.invokeEvent("onunsupported");
if(rt!=false) setTimeout("document.invokeEvent('onload')",1);
};
winFrameOnunload = function() {
var d = document;
d.invokeEvent('onunload');
};
winFrameOnresize = function() {
var d = document;
d.__onResize();
setTimeout("document.invokeEvent('onresize')",1);
};
winFrameOnscroll = function() {
var d = document;
setTimeout("document.invokeEvent('onscroll')",1);
};
if(window.attachEvent) {
d.winframe.attachEvent("onload",winFrameOnload);
d.winframe.attachEvent("onunload",winFrameOnunload);
d.winframe.attachEvent("onresize",winFrameOnresize);
d.winframe.attachEvent("onscroll",winFrameOnscroll);
}
else {
if(d.winframe.onload) d.addEventListener("onload",d.winframe.onload);
if(d.winframe.onunload) d.addEventListener("onunload",d.winframe.onunload);
if(d.winframe.onresize) d.addEventListener("onresize",d.winframe.onresize);
if(d.winframe.onscroll) d.addEventListener("onscroll",d.winframe.onscroll);
d.winframe.onload = winFrameOnload;
d.winframe.onunload = winFrameOnunload;
d.winframe.onresize = winFrameOnresize;
d.winframe.onscroll = winFrameOnscroll;
if(d.winframe.captureEvents) {
d.winframe.captureEvents(Event.LOAD);
d.winframe.captureEvents(Event.UNLOAD);
d.winframe.captureEvents(Event.RESIZE);
d.winframe.captureEvents(Event.SCROLL);
}
}
// set doc path and include path
url = d.location.href;
url = url.substring(0,url.lastIndexOf('/')+1);
d.documentPath = url;
d.incpath = (self.SCRIPT_INCLUDE_PATH) ? self.SCRIPT_INCLUDE_PATH:"";
// set include path
d.setIncludePath = function(p) {
if (p==this.incpath) return null;
this.incpath = p;
document.invokeEvent("oninit");
document.init = true;
};
// writes the <script> tag for the object
d.include = function(src) {
var id = src;
if (!src || this.loadedjs[src]==true) return null;
else src = src+'';
src = src.toLowerCase();
if (src.indexOf('.')<0) src += ".js";
if (src.indexOf('/')<0) src = this.incpath+src;
src = src.replace(/\\/g,'/');
this.loadedjs[src]=true;
if (!this.loaded) this.winframe.document.write('<script type="text/javascript" language="JavaScript" src="'+src+'"><\/script>');
else {
// dynamic loading
//this.load(src);
}
debug ('loading: '+src); //debug out
if (id=='dynelement') {
if (this.ua.ie) this.include("ext\\dynelement_ie");
else if (this.ua.ns4) document.include("ext\\dynelement_ns4");
else if (this.ua.opera) document.include("ext\\dynelement_opera");
else this.include("ext\\dynelement_dom");
}
};
d.getWidth = function() {
this.findDimensions();
return this.w;
};
d.getHeight = function() {
this.findDimensions();
return this.h;
};
d.findDimensions = function() {
var d=this, ua=d.ua;
var docElm = (document.documentElement && document.documentElement.scrollTop>0) ? document.documentElement:document.body;
d.w=(ua.ie)? docElm.clientWidth : d.winframe.innerWidth;
d.h=(ua.ie)? docElm.clientHeight : d.winframe.innerHeight;
};
d.getScrollTop = function() {
var scrOfY = 0;
if(typeof(window.pageYOffset)=='number') {
//Netscape compliant
scrOfY = window.pageYOffset;
}
else {
//DOM and IE compliant
var docElm = (document.documentElement && document.documentElement.scrollTop>0) ? document.documentElement:document.body;
scrOfY = docElm.scrollTop;
}
return scrOfY;
};
// Resize handling
d.__onResize = function() {
var d = document;
var ua = d.ua;
var w = d.w;
var h = d.h;
d.findDimensions();
if (d.w!=w || d.h!=h) {
if (ua.ns4) d.location.href = d.location.href;
else {
if(d._updateAnchors) d._updateAnchors();
}
}
};
d.__getElementById = d.getElementById;
d.getElementById = function(id, doc) {
var f,p,i,o;
var ua = this.ua;
oid = id;
// check cache first
o = document.__objcache[oid];
if(o) return o;
if(!doc) doc = this;
if((p = id.indexOf("@"))>0) {
fn = id.substring(p+1);
f = this.getFrame(fn);
if (f) {
doc=f.document;
doc.__getElementById = doc.getElementById;
}
id=id.substring(0,p);
}
if(ua.ie && !(o=doc[id])) o=doc.all[id];
else if (ua.dom) o=doc.__getElementById(id);
// look in forms
for (i=0;!o && i<doc.forms.length;i++) {
o = doc.forms[i].elements[id];
}
// loook in ns4 layers
if (!o && doc.layers) o = doc.layers[id];
for(i=0;!o && ua.ns4 && i<doc.layers.length;i++) {
o = document.getElementById(id,doc.layers[i].document);
}
// look in images
if (!o && doc.images) o = doc.images[id];
for (i=0;!o && i<doc.images.length;i++) {
o = doc.images[id];
}
// loook in ns4 links
for(i=0;!o && ua.ns4 && i<document.links.length;i++) {
if(document.links[i].href.indexOf("'" + id + "'")>0) {
o = document.links[i];
break;
}
}
// save object to cache
document.__objcache[oid] = o;
return o;
};
d.getFrame = function (fn){
var f;
if (this.frames) f=this.frames[fn];
if (!f) f= parent.frames[fn];
if (!f) f= window.frames[fn];
if (!f && window.frames['top']) f= window.frames['top'].frames[fn];
return f;
};
// Debug
d.debug = {};
d._debugBuffer = '';
debug = function(s){document.debug.print(s)};
d.debug.print = function(s) {
//@IF:DEBUG[
if(s==null) s='';
document._debugBuffer += s + '\n';
//]:DEBUG
};
// write functions
write = function(s){document.write(s)};
writeln = function(s){document.writeln(s)};
// UserAgent
function UserAgent() {
var ua = navigator.userAgent
this.ns4 = (document.layers)? true:false;
this.ie = (document.all&&(!window.opera))? true:false;
this.dom = (document.getElementById)? true:false;
this.ns6 = (window.sidebar)? true:false;
this.moz = (window.sidebar||ua.indexOf('Gecko')!=-1)? true:false;
this.opera = (window.opera)? true:false;
this.mac = (ua.indexOf('Mac')!=-1)? true:false;
this.win32 =(ua.indexOf("win")>-1)? true:false;
this.ns = this.ns6 || this.ns4;
this.def = (this.ie||this.dom)?true:false; //dom and ie are the default browsers
this.supported = (this.def||this.ns4||this.ns6||this.opera)? true:false;
// setup UA version
var v = navigator.appVersion;
this.ver = parseInt(v);
if (this.ie){
if (v.indexOf('MSIE 7')>0) {this.ie7=true; this.ver = 7;}
else if (v.indexOf('MSIE 6')>0) {this.ie6=true; this.ver = 6;}
else if (v.indexOf('MSIE 5.5')>0) {this.ie55=true; this.ver = 5.5;}
else if (v.indexOf('MSIE 5')>0) {this.ie5=true; this.ver = 5;}
else if (v.indexOf('MSIE 4')>0) {this.ie4=true; this.ver = 4;}
}else if (this.opera) {
this.ver=parseInt(ua.substr(ua.indexOf("opera")+6,1)); // set opera version
this.opera6=(this.v>=6);
this.opera7=(this.v>=7);
}
}