Files @ ae5ac36cdf83
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Location: kallithea/rhodecode/public/js/graph.js

Mads Kiilerich
pull request: use unionrepo instead of outgoing

This makes it possible to look the 'moving target' symbols up in the right repo.

Using a revset with the right revisions also removes the need for pruning
changesets that are outside the requested range.

It will also not be confused by changesets that for some reason has been pulled
to the repo but haven't been merged yet. They are going to be 'merged' by the
'pull' request and should thus be a part of what is reviewed.
// branch_renderer.js - Rendering of branch DAGs on the client side
//
// Copyright 2010 Marcin Kuzminski <marcin AT python-works DOT com>
// Copyright 2008 Jesper Noehr <jesper AT noehr DOT org>
// Copyright 2008 Dirkjan Ochtman <dirkjan AT ochtman DOT nl>
// Copyright 2006 Alexander Schremmer <alex AT alexanderweb DOT de>
//
// derived from code written by Scott James Remnant <scott@ubuntu.com>
// Copyright 2005 Canonical Ltd.
//
// This software may be used and distributed according to the terms
// of the GNU General Public License, incorporated herein by reference.

var colors = [
	[ 1.0, 0.0, 0.0 ],
	[ 1.0, 1.0, 0.0 ],
	[ 0.0, 1.0, 0.0 ],
	[ 0.0, 1.0, 1.0 ],
	[ 0.0, 0.0, 1.0 ],
	[ 1.0, 0.0, 1.0 ],
	[ 1.0, 1.0, 0.0 ],
	[ 0.0, 0.0, 0.0 ]
];

function BranchRenderer() {
	
	this.canvas = document.getElementById("graph_canvas");
	
	if (navigator.userAgent.indexOf('MSIE') >= 0) 
		this.canvas = window.G_vmlCanvasManager.initElement(this.canvas);
	this.ctx = this.canvas.getContext('2d');
	this.ctx.strokeStyle = 'rgb(0, 0, 0)';
	this.ctx.fillStyle = 'rgb(0, 0, 0)';
	this.cur = [0, 0];
	this.line_width = 2.0;
	this.dot_radius = 3.5;
	
	this.setColor = function(color, bg, fg) {
		color %= colors.length;
		var red = (colors[color][0] * fg) || bg;
		var green = (colors[color][1] * fg) || bg;
		var blue = (colors[color][2] * fg) || bg;
		red = Math.round(red * 255);
		green = Math.round(green * 255);
		blue = Math.round(blue * 255);
		var s = 'rgb(' + red + ', ' + green + ', ' + blue + ')';
		this.ctx.strokeStyle = s;
		this.ctx.fillStyle = s;
	}

	this.render = function(data,canvasWidth,lineCount) {
		var idx = 1;
		var rela = document.getElementById('graph');

		if (lineCount == 0)
			lineCount = 1;

		var edge_pad = this.dot_radius + 2;
		var box_size = Math.min(18, Math.floor((canvasWidth - edge_pad*2)/(lineCount)));
		var base_x = canvasWidth - edge_pad;

		for (var i in data) {

			var row = document.getElementById("chg_"+idx);
			if (row == null)
				continue;
			var	next = document.getElementById("chg_"+(idx+1));
			var extra = 0;
			
			cur = data[i];
			node = cur[1];
			in_l = cur[2];

			var rowY = row.offsetTop + row.offsetHeight/2 - rela.offsetTop;
			var nextY = (next == null) ? rowY + row.offsetHeight/2 : next.offsetTop + next.offsetHeight/2 - rela.offsetTop;

			for (var j in in_l) {
				
				line = in_l[j];
				start = line[0];
				end = line[1];
				color = line[2];

				this.setColor(color, 0.0, 0.65);

				
				x = base_x - box_size * start;
				
				this.ctx.lineWidth=this.line_width;
				this.ctx.beginPath();
				this.ctx.moveTo(x, rowY);

				if (start == end)
				{
					this.ctx.lineTo(x,nextY+extra,3);
				}
				else
				{
					var x2 = base_x - box_size * end;
					var ymid = (rowY+nextY) / 2;
					this.ctx.bezierCurveTo (x,ymid,x2,ymid,x2,nextY);
				}
				this.ctx.stroke();
			}
			
			column = node[0];
			color = node[1];
			
			radius = this.dot_radius;

			x = base_x - box_size * column;
		
			this.ctx.beginPath();
			this.setColor(color, 0.25, 0.75);
			this.ctx.arc(x, rowY, radius, 0, Math.PI * 2, true);
			this.ctx.fill();
			
			idx++;
		}
				
	}

}