Files @ 8173b0cfe9bd
Branch filter:

Location: kallithea/rhodecode/public/js/graph.js

Mads Kiilerich
settings: simplify handling of form values for hooks and extensions

This makes simpler to follow the code path and search for input input field
names. The form field names are hardcoded in the template, so generating them
programmatically in the controller do not really add any flexibility.
// 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++;
		}
				
	}

}