File size: 2,368 Bytes
0936134 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 | /**
* @class Ext.chart.series.sprite.StackedCartesian
* @extends Ext.chart.series.sprite.Cartesian
*
* Stacked cartesian sprite.
*/
Ext.define("Ext.chart.series.sprite.StackedCartesian", {
extend: 'Ext.chart.series.sprite.Cartesian',
inheritableStatics: {
def: {
processors: {
/**
* @private
* @cfg {Number} [groupCount=1] The number of groups in the series.
*/
groupCount: 'number',
/**
* @private
* @cfg {Number} [groupOffset=0] The group index of the series sprite.
*/
groupOffset: 'number',
/**
* @private
* @cfg {Object} [dataStartY=null] The starting point of the data used in the series.
*/
dataStartY: 'data'
},
defaults: {
groupCount: 1,
groupOffset: 0,
dataStartY: null
},
dirtyTriggers: {
dataStartY: 'dataY,bbox'
}
}
},
//@inheritdoc
getIndexNearPoint: function (x, y) {
var sprite = this,
mat = sprite.attr.matrix,
dataX = sprite.attr.dataX,
dataY = sprite.attr.dataY,
dataStartY = sprite.attr.dataStartY,
minX = 0.5, minY = Infinity, index = -1,
imat = mat.clone().prependMatrix(this.surfaceMatrix).inverse(),
center = imat.transformPoint([x, y]),
positionLB = imat.transformPoint([x - 22, y - 22]),
positionTR = imat.transformPoint([x + 22, y + 22]),
dx, dy,
top = Math.min(positionLB[1], positionTR[1]),
bottom = Math.max(positionLB[1], positionTR[1]);
for (var i = 0; i < dataX.length; i++) {
if (Math.min(dataStartY[i], dataY[i]) <= bottom && top <= Math.max(dataStartY[i], dataY[i])) {
dx = Math.abs(dataX[i] - center[0]);
dy = Math.max(-Math.min(dataY[i] - center[1], center[1] - dataStartY[i]), 0);
if (dx < minX && dy <= minY) {
minX = dx;
minY = dy;
index = i;
}
}
}
return index;
}
}); |