Mercurial > kallithea
view rhodecode/public/js/graph.js @ 3882:2c5ceb546234 beta
renamed gists routing to proper plural names
author | Marcin Kuzminski <marcin@python-works.com> |
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date | Mon, 20 May 2013 21:40:00 +0200 |
parents | 6e8027c2f49c |
children |
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// 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++; } } }