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From robertkowalski <...@git.apache.org>
Subject [GitHub] couchdb-fauxton pull request: Gsoc 2015 revision tree visualizatio...
Date Mon, 25 May 2015 18:11:21 GMT
Github user robertkowalski commented on a diff in the pull request:

    https://github.com/apache/couchdb-fauxton/pull/433#discussion_r30989987
  
    --- Diff: app/addons/documents/revision-tree/component.react.jsx ---
    @@ -0,0 +1,338 @@
    +define([
    +  "app",
    +  "api",
    +  "react",
    +  'addons/documents/revision-tree/stores',
    +  'addons/documents/revision-tree/actions',
    +],
    +
    +function (app, FauxtonAPI, React, Stores) {
    +
    +  var store = Stores.revTreeStore;
    +  var lineObjs = [];
    +  var nodeObjs = [];
    +  var textObjs = [];
    +  var grid = 100;
    +  var scale = 7;
    +  var r = 15;
    +
    +  var LinesBox = React.createClass({
    +    render: function () {
    +      return (
    +        <g>
    +          {
    +            this.props.data.map(function (element, i) {
    +              return <Line key={i} data={element}/>;
    +            })
    +          }
    +        </g>
    +      );
    +    }
    +  });
    +
    +  var CirclesBox = React.createClass({
    +
    +    render: function () {
    +      return (
    +        <g>
    +          {
    +            this.props.data.map(function (element, i) {
    +              return <Circle key={i} data={element}/>;
    +            })
    +          }
    +        </g>
    +      );
    +    }
    +  });
    +
    +  var Circle = React.createClass({
    +
    +    render: function () {
    +      var cx = this.props.data.x;
    +      var cy = this.props.data.y;
    +      var radius = this.props.data.radius;
    +      var classVal = this.props.data.class;
    +
    +      return (
    +        <circle cx={cx} cy={cy} r={radius} className={classVal}>{this.props.children}</circle>
    +      );
    +    }
    +  });
    +
    +  var Line = React.createClass({
    +
    +    render: function () {
    +      var x1 = this.props.data.x;
    +      var y1 = this.props.data.y;
    +      var x2 = this.props.data.nextX;
    +      var y2 = this.props.data.nextY;
    +
    +      return (
    +        <line x1={x1} y1={y1} x2={x2} y2={y2}>{this.props.children}</line>
    +      );
    +    }
    +  });
    +
    +  var TextsBox = React.createClass({
    +
    +    render: function () {
    +      return (
    +        <g>{this.props.children}</g>
    +      );
    +    }
    +  });
    +
    +  var SVGComponent = React.createClass({
    +
    +    render: function () {
    +      return (
    +        <svg height="500" width="500">{this.props.children}
    +        </svg>
    +      );
    +    }
    +  });
    +
    +  var Box = React.createClass({
    +
    +    render: function () {
    +      return (
    +        <div className="visualizeRevTree">
    +          {this.props.children}
    +        </div>
    +      );
    +    }
    +  });
    +
    +  var Text = React.createClass({
    +
    +    render: function () {
    +      var styleVals = {
    +        left: this.props.data.stLeft,
    +        top: this.props.data.stTop
    +      };
    +
    +      return (
    +          <div className="box" style={styleVals} short={this.props.data.short} long={this.props.data.long}>
    +            <p>{this.props.data.short}</p>
    +            {this.props.children}
    +          </div>
    +      );
    +    }
    +  });
    +
    +  var draw = function (paths, deleted, winner, minUniq) {
    +    var maxX = grid;
    +    var maxY = grid;
    +    var levelCount = []; // numer of nodes on some level (pos)
    +    lineObjs.length = 0;
    +    nodeObjs.length = 0;
    +    textObjs.length = 0;
    +
    +    var map = {}; // map from rev to position
    +
    +    function drawPath (path) {
    +      for (var i = 0; i < path.length; i++) {
    +        var rev = path[i];
    +        var isLeaf = i === 0;
    +        var pos = +rev.split('-')[0];
    +
    +        if (!levelCount[pos]) {
    +          levelCount[pos] = 1;
    +        }
    +
    +        var x = levelCount[pos] * grid;
    +        var y = pos * grid;
    +
    +        if (!isLeaf) {
    +          var nextRev = path[i - 1];
    +          var nextX = map[nextRev][0];
    +          var nextY = map[nextRev][1];
    +
    +          if (map[rev]) {
    +            x = map[rev][0];
    +            y = map[rev][1];
    +          }
    +
    +          var lineObj = {
    +            "x" : x,
    +            "y" : y,
    +            "nextX" : nextX,
    +            "nextY" : nextY
    +          };
    +
    +          lineObjs.push(lineObj);
    +        }
    +
    +        if (map[rev]) {
    +          break;
    +        }
    +
    +        maxX = Math.max(x, maxX);
    +        maxY = Math.max(y, maxY);
    +        levelCount[pos]++;
    +
    +        node (x, y, rev, isLeaf, rev in deleted, rev === winner, minUniq);
    +        map[rev] = [x, y];
    +      }
    +    }
    +
    +    paths.forEach(drawPath);
    +  };
    +
    +  var minUniqueLength = function (arr) {
    +    function strCommon(a, b) {
    +
    +      if (a === b) {
    +        return a.length;
    +      }
    +
    +      var i = 0;
    +
    +      while (++i) {
    +        if (a[i - 1] !== b[i - 1]) return i;
    +      }
    +    }
    +
    +    var array = arr.slice(0);
    +    var com = 1;
    +    array.sort();
    +
    +    for (var i = 1; i < array.length; i++) {
    +      com = Math.max(com, strCommon(array[i], array[i - 1]));
    +    }
    +
    +    return com;
    +  };
    +
    +  function node(x, y, rev, isLeaf, isDeleted, isWinner, shortDescLen) {
    +    circ(x, y, r, isLeaf, isDeleted, isWinner);
    +    var pos = rev.split('-')[0];
    +    var id = rev.split('-')[1];
    +    var opened = false;
    +
    +    var textObj = {
    +      "stLeft": (x - 40) + "px",
    +      "stTop": (y - 30) + "px",
    +      "short": pos + '-' + id.substr(0, shortDescLen),
    +      "long": pos + '-' + id
    +    };
    +
    +    textObjs.push(textObj);
    +  }
    +
    +  var circ = function (x, y, r, isLeaf, isDeleted, isWinner) {
    +
    +    var leafStat = "";
    --- End diff --
    
    we use `'` for strings


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