Line.prototype.setSource = function (source, map) {
map = this.map(map);
var dataTable;
if (DataV.detect(source) === 'Table_WITH_HEAD') {
dataTable = DataV.collectionify(source);
} else {
dataTable = source;
}
var lines = _.groupBy(dataTable, map.line);
var linesData = [];
var maxList = [], minList = [];
this.maxLength = Math.max.apply(null, _.map(lines, function (line) {
return line.length;
}));
var titles;
_.forEach(lines, function (points, name) {
// initialize the nodes of line
var line = {name: name, id: name, data: [], tags: []};
line.data = _.pluck(points, map.value);
titles = _.pluck(points, map.x);
linesData.push(line);
maxList[name] = Math.max.apply(null, line.data);
minList[name] = Math.min.apply(null, line.data);
});
var conf = this.defaults;
var margin = conf.margin;
this.xWidth = conf.width - margin[1] - margin[3];
this.yHeight = conf.height - margin[0] - margin[2];
this.titles = titles;
this.linesData = linesData;
this.max = Math.max.apply(null, _.values(maxList));
this.min = Math.min.apply(null, _.values(minList));
this.maxList = maxList;
this.minList = minList;
this.chosen = false;
this.chosenNum = -1;
};
Bar.prototype.setSource = function (source, map) {
var conf = this.defaults;
map = this.map(map);
var dataTable;
if (DataV.detect(source) === 'Table_WITH_HEAD') {
dataTable = DataV.collectionify(source);
} else {
dataTable = source;
}
this.bars = _.groupBy(dataTable, map.bar);
this.barCount = _.keys(this.bars).length;
conf.yAxisData = _.pluck(_.first(_.values(this.bars)), map.x);
conf.yTickNumber = Math.min(conf.yAxisData.length, conf.yTickNumber);
// 横坐标的范围
conf.xExtent = d3.extent(dataTable, function (item) {
return item[map.value];
});
// 横坐标基线值
if (conf.xBase !== undefined) {
conf.xExtent.push(conf.xBase);
conf.xExtent = d3.extent(conf.xExtent);
}
};