Files @ c734686b3cf2
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Location: kallithea/rhodecode/public/js/graph.js

Marcin Kuzminski
moved permission management into separate entity.
- this solves issues when whole form submision could influence permission management
particular case is that when repo group permission is revoked and user is no longer able to update repository settings
// 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 (!document.createElement("canvas").getContext)
		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++;
		}
				
	}

}