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META-INF.assets.rjzjh.echarts.src.component.visualMap.ContinuousModel.js Maven / Gradle / Ivy
/**
* @file Data zoom model
*/
define(function(require) {
var VisualMapModel = require('./VisualMapModel');
var zrUtil = require('zrender/core/util');
var numberUtil = require('../../util/number');
// Constant
var DEFAULT_BAR_BOUND = [20, 140];
var ContinuousModel = VisualMapModel.extend({
type: 'visualMap.continuous',
/**
* @protected
*/
defaultOption: {
align: 'auto', // 'auto', 'left', 'right', 'top', 'bottom'
calculable: false, // This prop effect default component type determine,
// See echarts/component/visualMap/typeDefaulter.
range: null, // selected range. In default case `range` is [min, max]
// and can auto change along with modification of min max,
// util use specifid a range.
realtime: true, // Whether realtime update.
itemHeight: null, // The length of the range control edge.
itemWidth: null, // The length of the other side.
hoverLink: true, // Enable hover highlight.
hoverLinkDataSize: null,// The size of hovered data.
hoverLinkOnHandle: true // Whether trigger hoverLink when hover handle.
},
/**
* @override
*/
optionUpdated: function (newOption, isInit) {
ContinuousModel.superApply(this, 'optionUpdated', arguments);
this.resetTargetSeries();
this.resetExtent();
this.resetVisual(function (mappingOption) {
mappingOption.mappingMethod = 'linear';
mappingOption.dataExtent = this.getExtent();
});
this._resetRange();
},
/**
* @protected
* @override
*/
resetItemSize: function () {
ContinuousModel.superApply(this, 'resetItemSize', arguments);
var itemSize = this.itemSize;
this._orient === 'horizontal' && itemSize.reverse();
(itemSize[0] == null || isNaN(itemSize[0])) && (itemSize[0] = DEFAULT_BAR_BOUND[0]);
(itemSize[1] == null || isNaN(itemSize[1])) && (itemSize[1] = DEFAULT_BAR_BOUND[1]);
},
/**
* @private
*/
_resetRange: function () {
var dataExtent = this.getExtent();
var range = this.option.range;
if (!range || range.auto) {
// `range` should always be array (so we dont use other
// value like 'auto') for user-friend. (consider getOption).
dataExtent.auto = 1;
this.option.range = dataExtent;
}
else if (zrUtil.isArray(range)) {
if (range[0] > range[1]) {
range.reverse();
}
range[0] = Math.max(range[0], dataExtent[0]);
range[1] = Math.min(range[1], dataExtent[1]);
}
},
/**
* @protected
* @override
*/
completeVisualOption: function () {
VisualMapModel.prototype.completeVisualOption.apply(this, arguments);
zrUtil.each(this.stateList, function (state) {
var symbolSize = this.option.controller[state].symbolSize;
if (symbolSize && symbolSize[0] !== symbolSize[1]) {
symbolSize[0] = 0; // For good looking.
}
}, this);
},
/**
* @public
* @override
*/
setSelected: function (selected) {
this.option.range = selected.slice();
this._resetRange();
},
/**
* @public
*/
getSelected: function () {
var dataExtent = this.getExtent();
var dataInterval = numberUtil.asc(
(this.get('range') || []).slice()
);
// Clamp
dataInterval[0] > dataExtent[1] && (dataInterval[0] = dataExtent[1]);
dataInterval[1] > dataExtent[1] && (dataInterval[1] = dataExtent[1]);
dataInterval[0] < dataExtent[0] && (dataInterval[0] = dataExtent[0]);
dataInterval[1] < dataExtent[0] && (dataInterval[1] = dataExtent[0]);
return dataInterval;
},
/**
* @public
* @override
*/
getValueState: function (value) {
var range = this.option.range;
var dataExtent = this.getExtent();
// When range[0] === dataExtent[0], any value larger than dataExtent[0] maps to 'inRange'.
// range[1] is processed likewise.
return (
(range[0] <= dataExtent[0] || range[0] <= value)
&& (range[1] >= dataExtent[1] || value <= range[1])
) ? 'inRange' : 'outOfRange';
},
/**
* @public
* @params {Array.} range target value: range[0] <= value && value <= range[1]
* @return {Array.} [{seriesId, dataIndices: >}, ...]
*/
findTargetDataIndices: function (range) {
var result = [];
this.eachTargetSeries(function (seriesModel) {
var dataIndices = [];
var data = seriesModel.getData();
data.each(this.getDataDimension(data), function (value, dataIndex) {
range[0] <= value && value <= range[1] && dataIndices.push(dataIndex);
}, true, this);
result.push({seriesId: seriesModel.id, dataIndex: dataIndices});
}, this);
return result;
}
});
return ContinuousModel;
});
