User:Zocky/utils.js
///////////
// Notes
//////////
var active_note, active_note_top, active_note_left;
var mouse_x, mouse_y;
var note_top=100;
function new_note(x,y,w,h,t,content)
{
note_top++;
var note = el("div",
"id", "note_" + note_top,
"class", "toc",
"style","background:#FFFF88; border:solid black 1px; padding:2px; z-index:" + note_top
+ "; position:fixed; display:block; minimum-width:"+w+"px; left:" + x + "px; top:" + y + "px",
"onMouseDown", "active_note=this;",
tx('[ '), el("a","href","javascript:close_note('note_"+note_top+"')",tx("×")), tx(' ] '),
tx('[ '), el("a","href","javascript:toggle_note('note_"+note_top+"')",tx("-")), tx(' ] '),
el("b",t),
el("div",
"id", "note_" + note_top + "_content",
"style", "background:#FFFFCC; minimum-height:"+h+"px; border:solid silver 1px; ",
"onMouseDown" , "return 0",
content
));
note.addEventListener("mousedown", pick_note, false);
add_stuff('globalWrapper',note);
active_note=note;
}
function close_note(n)
{
document.getElementById('globalWrapper').removeChild(document.getElementById(n));
}
function toggle_note(n)
{
var c=document.getElementById(n+"_content");
c.style.display = c.style.display=='none' ? 'block' : 'none';
}
function pick_note(e)
{
if (typeof(active_note)!='object') return;
active_note.style.zIndex = note_top++;
mouse_x = e.clientX; mouse_y = e.clientY;
active_note_top = parseInt(active_note.style.top); active_note_left = parseInt(active_note.style.left);
document.addEventListener("mousemove", drag_note, false);
document.addEventListener("mouseup", drop_note, false);
e.preventDefault();
}
function drag_note(e)
{
var x = e.clientX;
var y = e.clientY;
active_note.style.top = (y - mouse_y + active_note_top) + "px"; active_note.style.left = (x - mouse_x + active_note_left) + "px";
}
function drop_note(e)
{
document.removeEventListener("mousemove", drag_note, false);
document.removeEventListener("mouseup", drop_note, false);
active_note=false;
}
///Get user name
function get_user_name()
{
return document.getElementById("pt-userpage").firstChild.innerHTML;
}
///Make a new option
function new_option(n,v)
{
if (window[n]== undefined) { window[n] = v }
}
//XML searcher by ID
function findDescendantById(node, id)
{
if (node.id == id)
{
return node;
}
var i, c;
for (i = node.firstChild; i != null; i=i.nextSibling) {
c = findDescendantById(i,id);
if (c != null)
return c;
}
return null;
}
//XML searcher by class
function findDescendantByClass(node, cl)
{
if (node.nodeType==1 && node.getAttribute('class') == cl)
{
return node;
}
var i, c;
for (i = node.firstChild; i != null; i=i.nextSibling) {
c = findDescendantByClass(i,cl);
if (c != null)
return c;
}
return null;
}
///////////////
//Easy XML insertion
////////////////
//// el (tagname, arg1,val1,arg2,val2,...,child1,child2...)
function el ()
{
var res;
var i;
if (el.arguments.length>0)
{
res = document.createElement(el.arguments[0]);
i=1;
while (i < el.arguments.length)
{
if ( typeof(el.arguments[i]) == "string" )
{
i++;
if ( typeof(el.arguments[i])== "string" || typeof(el.arguments[i])=="number")
{
res.setAttribute(el.arguments[i-1],el.arguments[i]);
i++;
}
else
{
alert ("el: Argument "+ el.arguments[i-1] +" specified, but no value provided.")
return undef;
}
}
else break;
}
while (i < el.arguments.length)
{
if (typeof(el.arguments[i])=='object')
{
res.appendChild(el.arguments[i]);
i++
}
else
{
alert ("el: Useless argument "+ el.arguments[i-1] +" provided.")
return undef;
}
}
}
else
{
alert ("el: Missing element name.")
return undef;
}
return res;
}
function tx(s)
{
return document.createTextNode(s);
}
function add_stuff(p,e)
{
document.getElementById(p).appendChild(e);
}
/////////////////
// DOWNLOADING //
/////////////////
//////////////
//
// downloader
//
//
function downloader(url) {
// Source: http://jibbering.com/2002/4/httprequest.html
this.http = false;
/*@cc_on @*/
/*@if (@_jscript_version >= 5)
// JScript gives us Conditional compilation,
// we can cope with old IE versions.
// and security blocked creation of the objects.
try {
this.http = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try {
this.http = new ActiveXObject("Microsoft.XMLHTTP");
} catch (E) {
// this.http = false;
}
}
@end @*/
if (! this.http && typeof XMLHttpRequest!='undefined') this.http = new XMLHttpRequest();
this.url = url; this.id=null;
this.lastModified = null;
this.callbackFunction = null;
};
new downloader();
downloader.prototype.send = function (x) {if (!this.http) return null; return this.http.send(x);};
downloader.prototype.abort = function () {if (!this.http) return null; return this.http.abort();};
downloader.prototype.runCallback = function () {this.callbackFunction(this);};
downloader.prototype.getData = function () {if(!this.http) return null; return this.http.responseText;};
downloader.prototype.setTarget = function () {if(!this.http) return null; this.http.open("GET", this.url, true);this.setRequestHeader('Accept','text/html');};
downloader.prototype.start=function () {if(!this.http) return null; return this.http.send(null);};
downloader.prototype.getReadyState=function () {if(!this.http) return null; return this.http.readyState;};
downloader.prototype.setRequestHeader=function (a,b) {if(!this.http) return null; return };
downloader.prototype.getLastModifiedDate=function () {
if(!this.http) return null;
var lastmod=null;
try {
lastmod=this.http.getResponseHeader('Last-Modified');
} catch (err) {}
if (lastmod) return new Date(lastmod);
return null;
}
downloader.prototype.setCallback = function (f) {
if(!this.http) return;
this.http.onreadystatechange = f;
this.callbackFunction = f;
};
function newDownload(url, id, callback) {
var d=new downloader(url);
if (!d.http) return 'ohdear';
d.id=id;
d.setTarget();
var f = function () {
var stctl=1;
if (stctl && d.getReadyState() == 4) {
stctl=0;
d.data=d.getData();
d.lastModified=d.getLastModifiedDate();
callback(d);
}
};
d.setCallback(f);
return d;//d.start();
};
function fakeDownload(url, id, callback, data, lastModified) {
var d=newDownload(url,callback);
d.id=id; d.data=data;
d.lastModified=lastModified;
return callback(d);
};
function startDownload(url, id, callback) {
var d=newDownload(url, id, callback);
if (typeof d == typeof '' ) return d;
return d.start();
};
//
//
// downloader
//
//////////////
//Download a part of a page by ID or class (what) into an element by ID (where)
function downloadChunkById(url, where, what)
{
var callback=function(d)
{
var ch;
var dldoc = document.createElement("div");
var dlwhere= document.getElementById(where);
dldoc.innerHTML=d.data;
try
{
var dlwhat=findDescendantById(dldoc, what);
while (ch=dlwhere.firstChild) {dlwhere.removeChild(ch);}
dlwhere.appendChild(dlwhat);
} catch(e){};
};
return startDownload(url, where, callback);
delete dldoc;
};
function downloadChunkByClass(url, where, what)
{
var callback=function(d)
{
var ch;
var dldoc = document.createElement("div");
var dlwhere= document.getElementById(where);
dldoc.innerHTML=d.data;
while (ch=dlwhere.firstChild) {dlwhere.removeChild(ch);}
document.getElementById(where).appendChild(findDescendantByClass(dldoc, what))
};
return startDownload(url, where, callback);
};