User:Zocky/utils.js
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/////////// // 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("Ă—")), 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); };

