/** * */Ext.define('Ext.chart.series.sprite.Aggregative', { extend: 'Ext.chart.series.sprite.Cartesian', requires: ['Ext.draw.LimitedCache', 'Ext.draw.SegmentTree'], inheritableStatics: { def: { processors: { /** * @cfg {Object} [dataHigh=null] Data items representing the high values of the aggregated data. */ dataHigh: 'data', /** * @cfg {Object} [dataLow=null] Data items representing the low values of the aggregated data. */ dataLow: 'data', /** * @cfg {Object} [dataClose=null] Data items representing the closing values of the aggregated data. */ dataClose: 'data' }, aliases: { /** * @cfg {Object} [dataOpen=null] Data items representing the opening values of the aggregated data. */ dataOpen: 'dataY' }, defaults: { dataHigh: null, dataLow: null, dataClose: null } } }, config: { aggregator: {} }, applyAggregator: function (aggregator, oldAggr) { return Ext.factory(aggregator, Ext.draw.SegmentTree, oldAggr); }, constructor: function () { this.callParent(arguments); }, processDataY: function () { var me = this, attr = me.attr, high = attr.dataHigh, low = attr.dataLow, close = attr.dataClose, open = attr.dataY; me.callParent(arguments); if (attr.dataX && open && open.length > 0) { if (high) { me.getAggregator().setData(attr.dataX, attr.dataY, high, low, close); } else { me.getAggregator().setData(attr.dataX, attr.dataY); } } }, getGapWidth: function () { return 1; }, renderClipped: function (surface, ctx, clip, rect) { var me = this, min = Math.min(clip[0], clip[2]), max = Math.max(clip[0], clip[2]), aggregates = me.getAggregator() && me.getAggregator().getAggregation( min, max, (max - min) / rect[2] * me.getGapWidth() ); if (aggregates) { me.dataStart = aggregates.data.startIdx[aggregates.start]; me.dataEnd = aggregates.data.endIdx[aggregates.end - 1]; me.renderAggregates(aggregates.data, aggregates.start, aggregates.end, surface, ctx, clip, rect); } }});