victory-chart/lib/components/victory-voronoi/helper-methods.js

Chart Component for Victory

Object.defineProperty(exports,"__esModule",{value:true});var _without2=require("lodash/without");var _without3=_interopRequireDefault(_without2);var _defaults2=require("lodash/defaults");var _defaults3=_interopRequireDefault(_defaults2);var _omit2=require("lodash/omit");var _omit3=_interopRequireDefault(_omit2);
var _victoryCore=require("victory-core");
var _d3Voronoi=require("d3-voronoi");function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj};}function _toConsumableArray(arr){if(Array.isArray(arr)){for(var i=0,arr2=Array(arr.length);i<arr.length;i++){arr2[i]=arr[i];}return arr2;}else{return Array.from(arr);}}exports.default=

{
getBaseProps:function getBaseProps(props,fallbackProps){
props=_victoryCore.Helpers.modifyProps(props,fallbackProps,"voronoi");var _getCalculatedValues=
this.getCalculatedValues(props),data=_getCalculatedValues.data,style=_getCalculatedValues.style,scale=_getCalculatedValues.scale,polygons=_getCalculatedValues.polygons;
var childProps={parent:{
style:style.parent,scale:scale,data:data,height:props.height,width:props.width}};

for(var index=0,len=data.length;index<len;index++){
var datum=data[index];
var polygon=(0,_without3.default)(polygons[index],"data");
var eventKey=datum.eventKey;
var x=scale.x(datum.x1||datum.x);
var y=scale.y(datum.y1||datum.y);
var dataProps={
x:x,y:y,datum:datum,data:data,index:index,scale:scale,polygon:polygon,
size:props.size,
style:this.getDataStyles(datum,style.data)};


childProps[eventKey]={data:dataProps};
var text=this.getLabelText(props,datum,index);
if(text!==undefined&&text!==null||props.events||props.sharedEvents){
childProps[eventKey].labels=this.getLabelProps(dataProps,text,style);
}
}
return childProps;
},

getLabelProps:function getLabelProps(dataProps,text,calculatedStyle){var
x=dataProps.x,y=dataProps.y,index=dataProps.index,scale=dataProps.scale,datum=dataProps.datum,data=dataProps.data;
var labelStyle=this.getLabelStyle(calculatedStyle.labels,dataProps)||{};
return{
style:labelStyle,
x:x,
y:y-(labelStyle.padding||0),
text:text,
index:index,
scale:scale,
datum:datum,
data:data,
textAnchor:labelStyle.textAnchor,
verticalAnchor:labelStyle.verticalAnchor||"end",
angle:labelStyle.angle};

},

getCalculatedValues:function getCalculatedValues(props){
var defaultStyles=props.theme&&props.theme.voronoi&&props.theme.voronoi.style?
props.theme.voronoi.style:{};
var style=_victoryCore.Helpers.getStyles(props.style,defaultStyles,"auto","100%");
var data=_victoryCore.Data.getData(props);
var range={
x:_victoryCore.Helpers.getRange(props,"x"),
y:_victoryCore.Helpers.getRange(props,"y")};

var domain={
x:_victoryCore.Domain.getDomain(props,"x"),
y:_victoryCore.Domain.getDomain(props,"y")};

var scale={
x:_victoryCore.Scale.getBaseScale(props,"x").domain(domain.x).range(range.x),
y:_victoryCore.Scale.getBaseScale(props,"y").domain(domain.y).range(range.y)};

var voronoi=this.getVoronoi(range,scale);
var polygons=voronoi.polygons(data);
return{data:data,scale:scale,style:style,polygons:polygons};
},

getVoronoi:function getVoronoi(range,scale){
var minRange=[Math.min.apply(Math,_toConsumableArray(range.x)),Math.min.apply(Math,_toConsumableArray(range.y))];
var maxRange=[Math.max.apply(Math,_toConsumableArray(range.x)),Math.max.apply(Math,_toConsumableArray(range.y))];
return(0,_d3Voronoi.voronoi)().
x(function(d){return scale.x(d.x1||d.x);}).
y(function(d){return scale.y(d.y1||d.y);}).
extent([minRange,maxRange]);
},

getDataStyles:function getDataStyles(datum,style){
var stylesFromData=(0,_omit3.default)(datum,[
"x","y","name","label"]);

var baseDataStyle=(0,_defaults3.default)({},stylesFromData,style);
return _victoryCore.Helpers.evaluateStyle(baseDataStyle,datum);
},

getLabelText:function getLabelText(props,datum,index){
return datum.label||(Array.isArray(props.labels)?
props.labels[index]:_victoryCore.Helpers.evaluateProp(props.labels,datum));
},

getLabelStyle:function getLabelStyle(style,datum){
var labelStyle=(0,_defaults3.default)({},{
angle:datum.angle,
textAnchor:datum.textAnchor,
verticalAnchor:datum.verticalAnchor},
style);
return _victoryCore.Helpers.evaluateStyle(labelStyle,datum);
}};