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1 | 1 | <%= javascript_include_tag 'raphael.js' %> |
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2 | 2 | <%= javascript_include_tag 'revision_graph.js' %> |
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3 | 3 | |
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4 | 4 | <script type="text/javascript" charset="utf-8"> |
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5 | 5 | Event.observe(window, 'load', function(){ |
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6 |
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6 | revisionGraph( | |
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7 | 7 | document.getElementById("holder"), |
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8 | 8 | <%= commits.to_json.html_safe %>); |
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9 | 9 | }); |
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10 | 10 | </script> |
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11 | 11 | |
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12 | 12 | <div id="holder" class="graph"></div> |
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1 | 1 | |
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2 |
function |
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2 | function revisionGraph(holder, commits_hash) { | |
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3 | 3 | |
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4 | 4 | var LEFT_PADDING = 3, |
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5 | 5 | TOP_PADDING = 10, |
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6 | 6 | XSTEP = YSTEP = 20; |
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7 | 7 | |
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8 | 8 | var commits_by_scmid = $H(commits_hash), |
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9 | 9 | commits = commits_by_scmid.values(); |
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10 | 10 | |
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11 | 11 | // init max dimensions |
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12 | 12 | var max_rdmid = max_space = 0; |
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13 | 13 | commits.each(function(commit) { |
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14 | 14 | |
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15 | 15 | max_rdmid = Math.max(max_rdmid, commit.rdmid); |
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16 | 16 | max_space = Math.max(max_space, commit.space); |
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17 | 17 | }); |
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18 | 18 | |
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19 | 19 | var graph_height = max_rdmid * YSTEP + YSTEP, |
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20 | 20 | graph_width = max_space * XSTEP + XSTEP; |
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21 | 21 | |
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22 | 22 | // init colors |
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23 | 23 | var colors = ['#000']; |
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24 | 24 | for (var k = 0; k < max_space; k++) { |
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25 | 25 | colors.push(Raphael.getColor()); |
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26 | 26 | } |
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27 | 27 | |
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28 | 28 | // create graph |
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29 | 29 | var graph = Raphael(holder, graph_width, graph_height), |
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30 | 30 | top = graph.set(); |
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31 | 31 | |
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32 | 32 | var parent_commit; |
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33 | 33 | var x, y, parent_x, parent_y; |
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34 | 34 | var path, longrefs, shortrefs, label, labelBBox; |
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35 | 35 | |
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36 | 36 | commits.each(function(commit) { |
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37 | 37 | |
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38 | 38 | y = TOP_PADDING + YSTEP *(max_rdmid - commit.rdmid); |
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39 | 39 | x = LEFT_PADDING + XSTEP * commit.space; |
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40 | 40 | |
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41 | 41 | graph.circle(x, y, 3).attr({fill: colors[commit.space], stroke: 'none'}); |
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42 | 42 | |
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43 | 43 | // title |
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44 | 44 | if (commit.refs != null && commit.refs != '') { |
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45 | 45 | longrefs = commit.refs; |
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46 | 46 | shortrefs = longrefs.length > 15 ? longrefs.substr(0, 13) + '...' : longrefs; |
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47 | 47 | |
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48 | 48 | label = graph.text(x + 5, y + 5, shortrefs) |
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49 | 49 | .attr({ |
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50 | 50 | font: '12px Fontin-Sans, Arial', |
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51 | 51 | fill: '#666', |
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52 | 52 | title: longrefs, |
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53 | 53 | cursor: 'pointer', |
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54 | 54 | rotation: '0'}); |
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55 | 55 | |
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56 | 56 | labelBBox = label.getBBox(); |
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57 | 57 | label.translate(labelBBox.width / 2, -labelBBox.height / 3); |
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58 | 58 | } |
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59 | 59 | |
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60 | 60 | // paths to parents |
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61 | 61 | commit.parent_scmids.each(function(parent_scmid) { |
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62 | 62 | parent_commit = commits_by_scmid.get(parent_scmid); |
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63 | 63 | |
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64 | 64 | if (parent_commit) { |
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65 | 65 | parent_y = TOP_PADDING + YSTEP * (max_rdmid - parent_commit.rdmid); |
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66 | 66 | parent_x = LEFT_PADDING + XSTEP * parent_commit.space; |
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67 | 67 | |
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68 | 68 | if (parent_commit.space == commit.space) { |
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69 | 69 | // vertical path |
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70 | 70 | path = graph.path([ |
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71 | 71 | 'M', x, y, |
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72 | 72 | 'V', parent_y]); |
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73 | 73 | } else { |
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74 | 74 | // path to a commit in a different branch (Bezier curve) |
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75 | 75 | path = graph.path([ |
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76 | 76 | 'M', x, y, |
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77 | 77 | 'C', x, y, x, y + (parent_y - y) / 2, x + (parent_x - x) / 2, y + (parent_y - y) / 2, |
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78 | 78 | 'C', x + (parent_x - x) / 2, y + (parent_y - y) / 2, parent_x, parent_y-(parent_y-y)/2, parent_x, parent_y]); |
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79 | 79 | } |
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80 | 80 | } else { |
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81 | 81 | // vertical path ending at the bottom of the graph |
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82 | 82 | path = graph.path([ |
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83 | 83 | 'M', x, y, |
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84 | 84 | 'V', graph_height]); |
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85 | 85 | } |
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86 | 86 | path.attr({stroke: colors[commit.space], "stroke-width": 1.5}); |
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87 | 87 | }); |
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88 | 88 | |
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89 | 89 | top.push(graph.circle(x, y, 10) |
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90 | 90 | .attr({ |
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91 | 91 | fill: '#000', |
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92 | 92 | opacity: 0, |
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93 | 93 | cursor: 'pointer', |
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94 | 94 | href: commit.href}) |
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95 | 95 | .hover(function () {}, function () {})); |
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96 | 96 | }); |
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97 | 97 | |
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98 | 98 | top.toFront(); |
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99 | 99 | }; |
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