_formatLabel: function (value, axis) {
var dataZoomModel = this.dataZoomModel;
var labelFormatter = dataZoomModel.get('labelFormatter');
if (zrUtil.isFunction(labelFormatter)) {
return labelFormatter(value);
}
var labelPrecision = dataZoomModel.get('labelPrecision');
if (labelPrecision == null || labelPrecision === 'auto') {
labelPrecision = axis.getPixelPrecision();
}
value = (value == null && isNaN(value))
? ''
// FIXME Glue code
: (axis.type === 'category' || axis.type === 'time')
? axis.scale.getLabel(Math.round(value))
// param of toFixed should less then 20.
: value.toFixed(Math.min(labelPrecision, 20));
if (zrUtil.isString(labelFormatter)) {
value = labelFormatter.replace('{value}', value);
}
return value;
},
helper.getValueLabel = function (value, axis, ecModel, seriesDataIndices, opt) {
var text = axis.scale.getLabel(
// Use 'pad' to try to fix width, which helps to debounce when when moving label.
value, {precision: opt.precision, pad: true}
);
var formatter = opt.formatter;
if (formatter) {
var params = {
value: axisHelper.getAxisRawValue(axis, value),
seriesData: []
};
zrUtil.each(seriesDataIndices, function (idxItem) {
var series = ecModel.getSeriesByIndex(idxItem.seriesIndex);
var dataIndex = idxItem.dataIndexInside;
var dataParams = series && series.getDataParams(dataIndex);
dataParams && params.seriesData.push(dataParams);
});
if (zrUtil.isString(formatter)) {
text = formatter.replace('{value}', text);
}
else if (zrUtil.isFunction(formatter)) {
text = formatter(params);
}
}
return text;
};
formatValueText: function(value, isCategory) {
var option = this.option;
var precision = option.precision;
var dataBound = this.dataBound;
var formatter = option.formatter;
var isMinMax;
var textValue;
if (zrUtil.isArray(value)) {
value = value.slice();
isMinMax = true;
}
textValue = isCategory
? value
: (isMinMax
? [toFixed(value[0]), toFixed(value[1])]
: toFixed(value)
);
if (zrUtil.isString(formatter)) {
return formatter
.replace('{value}', isMinMax ? textValue[0] : textValue)
.replace('{value2}', isMinMax ? textValue[1] : textValue);
}
else if (zrUtil.isFunction(formatter)) {
return isMinMax
? formatter(value[0], value[1])
: formatter(value);
}
if (isMinMax) {
if (value[0] === dataBound[0]) {
return '< ' + textValue[1];
}
else if (value[1] === dataBound[1]) {
return '> ' + textValue[0];
}
else {
return textValue[0] + ' - ' + textValue[1];
}
}
else { // Format single value (includes category case).
return textValue;
}
function toFixed(val) {
return val === dataBound[0]
? 'min'
: val === dataBound[1]
? 'max'
: (+val).toFixed(precision);
}
},
function getSelectorsByBrushType(seriesModel) {
var brushSelector = seriesModel.brushSelector;
if (zrUtil.isString(brushSelector)) {
var sels = [];
zrUtil.each(selector, function (selectorsByElementType, brushType) {
sels[brushType] = selectorsByElementType[brushSelector];
});
return sels;
}
else if (zrUtil.isFunction(brushSelector)) {
var bSelector = {};
zrUtil.each(selector, function (sel, brushType) {
bSelector[brushType] = brushSelector;
});
return bSelector;
}
return brushSelector;
}