User:Lupin/editcount.js

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/** <nowiki>
 * A javascript edit counter, using query.php as the backend
 *
 * Usage instructions for popups users: add
 *

{{subst:js|User:Lupin/editcount.js}}
popupEditCounterTool='custom';
popupEditCounterUrl='http://en.wikipedia.org/wiki/User:$1?ectarget=$1';

 *
 * to your user javascript file (usually monobook.js), hover over a
 * user name and select "edit counter"
 *
 */

//<pre>

ec = {

	getParamValue: function(paramName) {
		var cmdRe=RegExp('[&?]'+paramName+'=([^&]*)');
		var h=document.location;
		var m;
		if (m=cmdRe.exec(h)) {
			try {
				while(m[1].indexOf('+')!=-1)
				{
					m[1]=m[1].substr(0,m[1].indexOf('+'))+" "+m[1].substr(m[1].indexOf('+')+1);
				}
				return decodeURIComponent(m[1]);
			} catch (someError) {}
		}
		return null;
	},

	doEditCount: function(user) {
		if (!user) { return; }
		ec.user=user;
		ec.makeEditCountDivs();
		ec.getContribs(user);
		setTimeout(ec.checkContribs, 1000);
	},
	makeEditCountDivs: function() {
		var d=document.createElement('div');
		d.id='editcount_output';
		ec.appendDivs(d, [ 'editcount_title', 'editcount_intervalselector', 
				   'editcount_stats' ]);
		var h=document.getElementById('siteSub');
		h.parentNode.insertBefore(d, h.nextSibling);
	},
	appendDivs: function(parent, list) {
		for (var i=0; i<list.length; ++i) {
			var d=document.createElement('div');
			d.id=list[i];
			parent.appendChild(d);
		}
	},

	checkContribs: function() {
		if (ec.complete) {
			ec.doOutput();
		} else {
			ec.doStatus();
			setTimeout(ec.checkContribs, 1000);
		}
	},

	doOutput: function(start, end) {
		var d=document.getElementById('editcount_stats');
		if (!ec.count) {
			d.innerHTML='No edits found for ' + ec.user;
			return;
		}
		if (!this.intsel) {
			this.intsel = new IntervalSelector({
				min: ts2unix(this.editlist.first.next.key),
				max: ts2unix(this.editlist.last.prev.key)});
			var this2=this;
			this.intsel.doneDrag=function() {
				//document.title=[this.lo, this.hi];
				this2.doOutput.apply(this2, map(unix2ts, [this.lo, this.hi]));
			};
			this.intsel.dragging=function() {
				var start=unix2ts(this2.intsel.lo);
				var end=unix2ts(this2.intsel.hi);
				document.getElementById('editcount_range').innerHTML=
				formatTs(start) + ' - ' + formatTs(end);
			};
//this.intsel.dragging=this.intsel.doneDrag; // too slow - pretty cool tho
			var intdiv=document.getElementById('editcount_intervalselector');
			intdiv.appendChild(this.intsel.box);
			this.appendDivs(intdiv, ['editcount_range']);
			this.intsel.dragging();
			this.intseldebug=document.createElement('div');
			this.intsel.box.parentNode.insertBefore(this.intseldebug, this.intsel.box);
		}
		document.getElementById('editcount_title').innerHTML=ec.outputHeading();
		document.getElementById('editcount_stats').innerHTML='<p>Total: ' + 
		ec.countFigure() + '<br>First edit: ' + ec.firstEdit.replace(/[TZ]/g, ' ') + 
		'(UTC)' + ec.statsTable(start, end);
	},

	outputHeading: function() {
		return '<h2>Edit count for ' + ec.user + '</h2>';
	},

	doStatus: function() {
		var d=document.getElementById('editcount_stats');
		d.innerHTML=ec.outputHeading() + '<p>Downloaded ' + ec.countFigure() + ' so far' + ec.statsTable();
	},

	countFigure: function() {
		return ec.count + ' edits over ' + objSum(ec.namespaces, 'articleCount') +  ' pages';
	},

	findEdit: function(timestamp, up) { // this is very broken - FIXME!
		if (up) {
			var e=this.editlist.first;
			while(e.key<timestamp && (e=e.next)){};
			//console.log('findEdit, up: got '+timestamp+', found '+(e.prev && e.prev.key || null) );
			return e.prev;
		} else {
			var e=this.editlist.last;
			while(e.key>timestamp && (e=e.prev)){}
			//console.log('findEdit, down: got '+timestamp+', found '+(e.next && e.next.key || null) );
			return e.next;
		}
	},

	statsTable: function(start, end) {
		//console.log('start: '+start + ', end: '+end);
		var barTotal=400;
		var endEdit=this.findEdit(end) || this.editlist.last;
		var startEdit=this.findEdit(start,true);
		if (!startEdit || !startEdit.key) { startEdit=this.editlist.first.next; }
		//console.log('endEdit:' + endEdit.key);
		//console.log('startEdit:'+ startEdit.key);
		var sumValue=function(val) {
			return objSum(startEdit.stats, val) - objSum(endEdit.stats, val);
		}
		var total=sumValue('count');
		if (!total) { return ''; }
		var statValue=function(k, val) {
			if (!startEdit.stats[k]) { return 0; }
			var r=startEdit.stats[k][val];
			//console.log(k + ' ' + val + ': ' + r);
			if (!endEdit.stats[k] || !endEdit.stats[k][val]) { return r; }
			return r - endEdit.stats[k][val];
		};
		// FIXME: abstract this away so it's trivial to add new columns
		r='<p>Statistics between '+formatTs(startEdit.key) + ' and '+formatTs(endEdit.key);
		r+='<table><tr><th>' + ['Namespace',
					   'New',
					   'Minor',
					   'Top',
					   'Summaries',
					   '(manual)',
					   'Pages',
					   'Count', '%'].join('</th><th>') + '</th></tr>';
		for (var k in ec.namespace_names) {
			if (!ec.namespaces[k]) { continue; }
			r += '<tr><td>'+[ec.namespace_names[k],
					 statValue(k, 'newCount'),
					 statValue(k, 'minorCount'),
					 statValue(k, 'topCount'),
					 statValue(k, 'commentCount'),
					 statValue(k, 'manualCommentCount'),
					 statValue(k, 'articleCount'),
					 statValue(k, 'count'),
					 percent(statValue(k, 'count'), total)].join('</td><td>') + '</td>';
			r+=ec.ecBar(barTotal, total, statValue(k, 'count'), statValue(k, 'minorCount') || 0);
			r+='</tr>';
		}
		var totalMinor = sumValue('minorCount');
		r+='<tr><td>'+['<b>Total</b>',
			       sumValue('newCount'),
			       totalMinor,
			       sumValue('topCount'),
			       sumValue('commentCount'),
			       sumValue('manualCommentCount'),
			       sumValue('articleCount'),
			       sumValue('count'),
			       '100'].join('</td><td>') + '</td>';
		r+=ec.ecBar(barTotal, total, sumValue('count'), totalMinor);
		r+='</table>';
		return r;
	},

	histogramBar: function(value, scale, colour, hint) {
		var height='2ex';
		var style='height: '+ height;
		style += '; background: ' + colour;
		style += '; width: ' + value * scale + 'px';
		style += '; float: left;';
		return '<span style="' + style + '" title="' + hint + '"></span>';
	},

	histogramCell: function(scale, values) {
		var r='<td><div style="width: ' + scale + 'px;">';
		for (var i=0; i<values.length; i+=3) { r+=ec.histogramBar(values[i], scale, values[i+1], values[i+2]); }
		r+='</div></td>';
		return r;
	},

	ecBar: function(scale, total, count, minor) {
		var nonMinorColour='blue';
		var minorColour='#0A3';
		return ec.histogramCell( scale, [(count-minor)/total, nonMinorColour, "non-minor edits",
						 minor/total, minorColour, "minor edits"]);
	},

	ajax: {
	download:function(bundle) {
			// mandatory: bundle.url
			// optional:  bundle.onSuccess (xmlhttprequest, bundle)
			// optional:  bundle.onFailure (xmlhttprequest, bundle)
			// optional:  bundle.otherStuff OK too, passed to onSuccess and onFailure

			var x = window.XMLHttpRequest ? new XMLHttpRequest()
			: window.ActiveXObject ? new ActiveXObject("Microsoft.XMLHTTP")
			: false;

			if (x) {
				x.onreadystatechange=function() {
					x.readyState==4 && ec.ajax.downloadComplete(x,bundle);
				};
				x.open("GET",bundle.url,true);
				x.send(null);
			}
			return x;
		},

	downloadComplete:function(x,bundle) {
			x.status==200 && ( bundle.onSuccess && bundle.onSuccess(x,bundle) || true )
			|| ( bundle.onFailure && bundle.onFailure(x,bundle) || alert(x.statusText));
		}
	},


	getContribs: function(user, startAt) {
		var limit=500; // currently maximum allowed per page by query.php
		var url='http://en.wikipedia.org/w/query.php?what=usercontribs' +
		'&uccomments' +  // enable for edit comment analysis
		'&format=json&uclimit=500&titles=User:'+escape(user);
		if (startAt) { url += '&ucend=' + startAt.replace(/[^0-9]/g, ''); }
		ec.ajax.download({ url: url, user: user,
				   startAt: startAt, onSuccess: ec.readContribs,
				   limit: limit});
	},

	readContribs: function(dl, bundle) {
		window.dl=dl;
		window.bundle=bundle;
		try {
			eval('var jsobj=' + dl.responseText);
			var pages=jsobj.pages;
			var child=ec.anyChild(pages);
			var contribs=child.contributions;
		} catch (summat) {
			throw new Error('Badness happened in readContribs: ' + summat.message);
			return;
		}
		var i=0, j=0;
		var minrev=null;
		for (var c in contribs) {
			++i;
			var cc=contribs[c];
			if (!minrev || cc.revid < minrev) { minrev = cc.revid; }
			if (ec.edits[cc.revid]) { continue; }
			++j;
			ec.doStats(cc);
			ec.edits[cc.revid] = cc;
		}
		ec.count += j;
		if (i == bundle.limit && ec.edits[minrev]) {
			ec.getContribs(bundle.user, ec.edits[minrev].timestamp);
		} else {
			ec.complete=true;
			minrev && (ec.firstEdit=ec.edits[minrev].timestamp);
		}
	},

	doStats: function (c) {
		var k=c.ns || 0;
		//if (!ec.namespaces[k]) { console.log('New namespace: '+k + ', title=' +c['*'] +
		// ', alleged NS=' + ec.namespace_names[k]); }
		if (!ec.namespaces[k]) { ec.namespaces[k] = {articles: {}}; }
		var n = ec.namespaces[k];
		incr(n, 'count');
		if (!n.articles[c['*']]) { incr(n, 'articleCount'); }
		incr(n.articles, c['*']);
		if (typeof c.minor != 'undefined') { incr(n, 'minorCount'); }
		if (typeof c.top != 'undefined') { incr(n, 'topCount'); }
		if (typeof c['new'] != 'undefined') { incr(n, 'newCount'); }
		if (c.comment) {
			incr(n, 'commentCount');
			if (!RegExp("^/[*].*?[*]/ *$").test(c.comment)) {
				incr(n, 'manualCommentCount');
			}
		}
		this.editlist.add({key: parseInt(c.timestamp.replace(/[^0-9]/g, ''), 10),
				   edit: c,
				   stats: this.saveStats()});
		// more stuff here, perhaps
	},

	saveStats: function() {
		var r={};
		var list=['count', 'articleCount', 'minorCount', 'topCount',
			  'newCount', 'commentCount', 'manualCommentCount'];
		for (var k in ec.namespaces) {
			r[k]=getStuff(ec.namespaces[k],list);
		}
		return r;
	},

	anyChild: function(obj) {
		for (var p in obj) {
			return obj[p];
		}
		return null;
	},

	edits: {},
	count: 0,
	complete: false,
	namespaces: {},
	namespace_names: {0: 'Article', 1: 'Talk',
			  2: 'User', 3: 'User talk',
			  4: 'Wikipedia', 5: 'Wikipedia talk',
			  6: 'Image', 7: 'Image talk',
			  8: 'MediaWiki', 9:'MediaWiki talk',
			  10: 'Template', 11: 'Template talk',
			  12: 'Help', 13: 'Help talk',
			  14: 'Category', 15: 'Category talk',
			  100: 'Portal', 101: 'Portal talk' // no comma
	},
	firstEdit: 0,
	editlist: new linkedList(
			{key: 99990101011200, stats: {}},
			{key: 0, stats: {}}),

	dummy: null // no comma
};


window.incr=function(obj, key) {
	if (!obj[key]) { obj[key]=1; }
	else { obj[key]++; }
}

window.objSum=function(obj, x, y) {
	var r=0;
	if (x && y) { for (var k in obj) { r+= (obj[k][x][y] ? obj[k][x][y] : 0); } }
	else if (x) { for (var k in obj) { r+= (obj[k][x] ? obj[k][x] : 0); } }
	else        { for (var k in obj) { r+= (obj[k] ? obj[k] : 0); } }
	return r;
}

window.percent=function(n, N) {
	return Math.floor(n/N * 1000 + .5)/10;
};

if((user=ec.getParamValue('ectarget'))!==null) { addOnloadHook(function(){ec.doEditCount(user);}); }

function linkedList(x0,y0) {
	this.first=null;
	this.last=null;
	this.hash={};
	this.add=function(x) {
		this.hash[x.key]=x;
		if (!this.first) {
			this.first=x;
			this.last=x;
			x.prev=x.next=null;
			return;
		}
		var k=x.key;
		if (true || k - this.first.key < this.last.key - k) {
			this.pushTop(x);
		} else {
			this.pushTail(x);
		}
	};
	this.pushTop=function(x) {
		if (x.key < this.first.key) {
			this.first.prev=x;
			x.next=this.first;
			this.first=x;
			x.prev=null;
			return;
		}
		if (x.key > this.last.key) {
			this.last.next=x;
			x.prev=this.last;
			this.last=x;
			x.next=null;
		}
		for (var y=this.first; y.next; y=y.next) {
			if (y.key < x.key && x.key <= y.next.key) {
				this.insertAfter(y, x);
				return;
			}
		}
	};
	this.pushTail=function(x) {
		for (var y=this.last; y.prev; y=y.prev) {
			if (y.prev.key < x.key && x.key <= y.key) {
				this.insertAfter(y.prev, x);
				return;
			}
		}
		this.first.prev=x;
		x.next=this.first;
		this.first=x;
		x.prev=null;
	};
	this.insertAfter=function(y,x) {
		x.next=y.next;
		x.prev=y;
		y.next.prev=x;
		y.next=x;
	};
	if (x0) { this.add(x0); }
	if (y0) { this.add(y0); }
}

window.getStuff=function(obj, list) {
	var r={};
	for (var i=0; i<list.length; ++i) {
		if (typeof obj[list[i]] != 'undefined') { r[list[i]]=obj[list[i]]; }
	}
	return r;
}

window.IntervalSelector=function(data) {
	if (!data) { data={}; }
	this.min=data.min || 10;
	this.max=data.max || 100;
	this.span=this.max-this.min;
	this.lo=data.lo || this.min;
	this.hi=data.hi || this.max;
	this.width=data.width || 400;
	this.height=data.height || 20;
	this.scale=this.width/this.span;
	this.minBarWidth=data.minBarWidth || 10;
	this.oldmousemove = null;
	this.createDiv();
}


IntervalSelector.prototype.createDiv=function() {
	var d=document.createElement('div');
	d.className='intervalselectorbox';
	//d.style.position='absolute';
	d.style.border='1px solid black'; // FIXME
	var s=document.createElement('div');
	s.className='intervalselector';
	s.style.position='relative';
	s.style.background='orange'; // FIXME
	//s.style.border='2px solid red'; // FIXME
	d.appendChild(s);
	this.box=d;
	this.bar=s;
	var this2=this;
	this.bar.onmousedown=function(e){ this2.mouseDown.apply(this2, [e]); }
	this.box.onmousedown=function(e){ this2.mouseDown.apply(this2, [e]); }
	this.updatePosition();
};

IntervalSelector.prototype.updatePosition=function() {
	var d=this.box;
	d.style.width=this.width+'px';
	d.style.height=this.height+'px';
	var s=this.bar;
	s.style.left=(this.lo-this.min)*this.scale+ 'px';
	s.style.width=(this.hi-this.lo)*this.scale + 'px';
	s.style.height=this.height + 'px';
};

IntervalSelector.prototype.mouseDown=function(e) {
	var endWidth=8;
	var pos=this.getMousePos(e);
	var this2=this;

	var dragFunction=null;
	var leftPos=findPosX(this.bar);
	if (pos.x - leftPos < endWidth) { dragFunction=this2.dragLo; }
	else if ( leftPos + parseInt(this.bar.style.width, 10) - pos.x < endWidth) { dragFunction=this2.dragHi; }
	else { dragFunction = this2.dragBar; }
	var x=pos.x, lo=this.lo;
	if (document.onmousemove && document.onmousemove.origin != 'IntervalSelector') {
		this.oldmousemove = document.onmousemove;
	}
	document.onmousemove=function(e) {
		dragFunction.apply(this2, [e, x, lo]);
		this2.dragging.apply(this2);
	};
	document.onmousemove.origin='IntervalSelector';
	document.onmouseup=function() {
		//console.log(this2.oldmousemove.toString());
		document.onmousemove= this2.oldmousemove;
		this2.doneDrag.apply(this2);
	};
	document.onmouseup.origin='IntervalSelector';
	//document.title=pos.x;
};

IntervalSelector.prototype.doneDrag=function(){};
IntervalSelector.prototype.dragging=function(){};

IntervalSelector.prototype.dragLo=function(e) {
	var pos=this.getMousePos(e);
	var newLo=this.min + (pos.x - findPosX(this.box))/this.scale;
	if (newLo < this.min) { newLo=this.min; }
	else if (newLo > this.hi - this.minBarWidth/this.scale) { newLo=this.hi - this.minBarWidth/this.scale; }
	this.lo=newLo;
	this.updatePosition();
};

IntervalSelector.prototype.dragHi=function(e) {
	var pos=this.getMousePos(e);
	var newHi=this.min + (pos.x - findPosX(this.box))/this.scale;
	if (newHi > this.max) { newHi=this.max; }
	else if (newHi < this.lo + this.minBarWidth/this.scale) { newHi=this.lo + this.minBarWidth/this.scale; }
	this.hi=newHi;
	this.updatePosition();
};

IntervalSelector.prototype.dragBar=function(e, x0, l0) {
	var pos=this.getMousePos(e);
	var delta=pos.x-x0;
	var newLo=l0 + delta/this.scale;
	var newHi=newLo + this.hi-this.lo;
	if (newLo < this.min) { newLo=this.min; newHi=newLo+this.hi-this.lo; }
	else if (newHi > this.max) { newHi=this.max; newLo=newHi-(this.hi-this.lo); }
	this.hi=newHi; this.lo=newLo;
	this.updatePosition();
};

IntervalSelector.prototype.getMousePos=function(e) {
	e = e || window.event;
	var x, y;
	if (e) {
		if (e.pageX) { x=e.pageX; y=e.pageY; }
		else if (typeof e.clientX!='undefined') {
			var left, top, docElt = window.document.documentElement;

			if (docElt) { left=docElt.scrollLeft; }
			left = left || window.document.body.scrollLeft || window.document.scrollLeft || 0;

			if (docElt) { top=docElt.scrollTop; }
			top = top || window.document.body.scrollTop || window.document.scrollTop || 0;

			x=e.clientX + left;
			y=e.clientY + top;
		} else { throw new Error ('bad mouse wiggle event in getMousePos'); return; }
	}
	return {x:x, y:y};
};

window.findPosX=function(obj)
{
	var curleft = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curleft += obj.offsetLeft
			obj = obj.offsetParent;
		}
	}
	else if (obj.x)
		curleft += obj.x;
	return curleft;
}

window.ts2unix=function(ts) {
	var t=ts.toString();
	return +(Date.UTC( t.substring(0,4), parseInt(t.substring(4,6),10)-1, t.substring(6,8),
			   t.substring(8,10), t.substring(10,12), t.substring(12,14)));
}
window.unix2ts=function(u) {
	var d=new Date(u);
	return map(zeroFill, [d.getUTCFullYear(), d.getUTCMonth()+1,
			      d.getUTCDate(), d.getUTCHours(),
			      d.getUTCMinutes(), d.getUTCSeconds()]).join('');
}

window.zeroFill=function(s, min) {
	min = min || 2;
	var t=s.toString();
	return repeatString('0', min - t.length) + t;
}

window.map=function(f, o) {
	if (isArray(o)) { return map_array(f,o); }
	return map_object(f,o);
}
window.isArray =function(x) { return x instanceof Array; }

window.map_array=function(f,o) {
	var ret=[];
	for (var i=0; i<o.length; ++i) {
		ret.push(f(o[i]));
	}
	return ret;
}

window.map_object=function(f,o) {
	var ret={};
	for (var i in o) { ret[o]=f(o[i]); }
	return ret;
}

window.repeatString=function(s,mult) {
	var ret='';
	for (var i=0; i<mult; ++i) { ret += s; }
	return ret;
};

window.formatTs=function(ts) {
	ts=ts.toString();
	if (ts.substring(0,4)=='9999') { return 'now'; }
	return [ts.substring(0,4), ts.substring(4,6), ts.substring(6,8)].join('-') +
	' ' + [ts.substring(8,10),ts.substring(10,12),ts.substring(12,14)].join(':');
};

function isMethodOf(klass, fn) {
	for (var f in klass.prototype) {
		if (fn===klass.prototype[f]) { return true; }
	}
	return false;
}

//</nowiki></pre>
//ec.doEditCount('Amanda77')
// ec.doEditCount('Llama man')