/**
* @file Data zoom model
*/
define(function(require) {
var zrUtil = require('zrender/core/util');
var env = require('zrender/core/env');
var echarts = require('../../echarts');
var modelUtil = require('../../util/model');
var visualDefault = require('../../visual/visualDefault');
var VisualMapping = require('../../visual/VisualMapping');
var mapVisual = VisualMapping.mapVisual;
var eachVisual = VisualMapping.eachVisual;
var numberUtil = require('../../util/number');
var isArray = zrUtil.isArray;
var each = zrUtil.each;
var asc = numberUtil.asc;
var linearMap = numberUtil.linearMap;
var VisualMapModel = echarts.extendComponentModel({
type: 'visualMap',
dependencies: ['series'],
/**
* [lowerBound, upperBound]
*
* @readOnly
* @type {Array.<number>}
*/
dataBound: [-Infinity, Infinity],
/**
* @readOnly
* @type {Array.<string>}
*/
stateList: ['inRange', 'outOfRange'],
/**
* @readOnly
* @type {string|Object}
*/
layoutMode: {type: 'box', ignoreSize: true},
/**
* @protected
*/
defaultOption: {
show: true,
zlevel: 0,
z: 4,
// set min: 0, max: 200, only for campatible with ec2.
// In fact min max should not have default value.
min: 0, // min value, must specified if pieces is not specified.
max: 200, // max value, must specified if pieces is not specified.
dimension: null,
inRange: null, // 'color', 'colorHue', 'colorSaturation', 'colorLightness', 'colorAlpha',
// 'symbol', 'symbolSize'
outOfRange: null, // 'color', 'colorHue', 'colorSaturation',
// 'colorLightness', 'colorAlpha',
// 'symbol', 'symbolSize'
left: 0, // 'center' ¦ 'left' ¦ 'right' ¦ {number} (px)
right: null, // The same as left.
top: null, // 'top' ¦ 'bottom' ¦ 'center' ¦ {number} (px)
bottom: 0, // The same as top.
itemWidth: null,
itemHeight: null,
inverse: false,
orient: 'vertical', // 'horizontal' ¦ 'vertical'
seriesIndex: null, // 所控制的series indices，默认所有有value的series.
backgroundColor: 'rgba(0,0,0,0)',
borderColor: '#ccc', // 值域边框颜色
contentColor: '#5793f3',
inactiveColor: '#aaa',
borderWidth: 0, // 值域边框线宽，单位px，默认为0（无边框）
padding: 5, // 值域内边距，单位px，默认各方向内边距为5，
// 接受数组分别设定上右下左边距，同css
textGap: 10, //
precision: 0, // 小数精度，默认为0，无小数点
color: ['#bf444c', '#d88273', '#f6efa6'], //颜色（deprecated，兼容ec2，顺序同pieces，不同于inRange/outOfRange）
formatter: null,
text: null, // 文本，如['高', '低']，兼容ec2，text[0]对应高值，text[1]对应低值
textStyle: {
color: '#333' // 值域文字颜色
}
},
/**
* @protected
*/
init: function (option, parentModel, ecModel) {
/**
* @private
* @type {Array.<number>}
*/
this._dataExtent;
/**
* @readOnly
*/
this.controllerVisuals = {};
/**
* @readOnly
*/
this.targetVisuals = {};
/**
* @readOnly
*/
this.textStyleModel;
/**
* [width, height]
* @readOnly
* @type {Array.<number>}
*/
this.itemSize;
this.mergeDefaultAndTheme(option, ecModel);
this.doMergeOption({}, true);
},
/**
* @public
*/
mergeOption: function (option) {
VisualMapModel.superApply(this, 'mergeOption', arguments);
this.doMergeOption(option, false);
},
/**
* @protected
*/
doMergeOption: function (newOption, isInit) {
var thisOption = this.option;
!isInit && replaceVisualOption(thisOption, newOption);
// FIXME
// necessary?
// Disable realtime view update if canvas is not supported.
if (!env.canvasSupported) {
thisOption.realtime = false;
}
this.textStyleModel = this.getModel('textStyle');
this.resetItemSize();
this.completeVisualOption();
},
/**
* @example
* this.formatValueText(someVal); // format single numeric value to text.
* this.formatValueText(someVal, true); // format single category value to text.
* this.formatValueText([min, max]); // format numeric min-max to text.
* this.formatValueText([this.dataBound[0], max]); // using data lower bound.
* this.formatValueText([min, this.dataBound[1]]); // using data upper bound.
*
* @param {number|Array.<number>} value Real value, or this.dataBound[0 or 1].
* @param {boolean} [isCategory=false] Only available when value is number.
* @return {string}
* @protected
*/
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);
}
},
/**
* @protected
*/
resetTargetSeries: function (newOption, isInit) {
var thisOption = this.option;
var allSeriesIndex = thisOption.seriesIndex == null;
thisOption.seriesIndex = allSeriesIndex
? [] : modelUtil.normalizeToArray(thisOption.seriesIndex);
allSeriesIndex && this.ecModel.eachSeries(function (seriesModel, index) {
var data = seriesModel.getData();
// FIXME
// 只考虑了list，还没有考虑map等。
// FIXME
// 这里可能应该这么判断：data.dimensions中有超出其所属coordSystem的量。
if (data.type === 'list') {
thisOption.seriesIndex.push(index);
}
});
},
/**
* @protected
*/
resetExtent: function () {
var thisOption = this.option;
// Can not calculate data extent by data here.
// Because series and data may be modified in processing stage.
// So we do not support the feature "auto min/max".
var extent = asc([thisOption.min, thisOption.max]);
this._dataExtent = extent;
},
/**
* @protected
*/
getDataDimension: function (list) {
var optDim = this.option.dimension;
return optDim != null
? optDim : list.dimensions.length - 1;
},
/**
* @public
* @override
*/
getExtent: function () {
return this._dataExtent.slice();
},
/**
* @protected
*/
resetVisual: function (fillVisualOption) {
var dataExtent = this.getExtent();
doReset.call(this, 'controller', this.controllerVisuals);
doReset.call(this, 'target', this.targetVisuals);
function doReset(baseAttr, visualMappings) {
each(this.stateList, function (state) {
var mappings = visualMappings[state] || (
visualMappings[state] = createMappings()
);
var visaulOption = this.option[baseAttr][state] || {};
each(visaulOption, function (visualData, visualType) {
if (!VisualMapping.isValidType(visualType)) {
return;
}
var mappingOption = {
type: visualType,
dataExtent: dataExtent,
visual: visualData
};
fillVisualOption && fillVisualOption.call(this, mappingOption, state);
mappings[visualType] = new VisualMapping(mappingOption);
// Prepare a alpha for opacity, for some case that opacity
// is not supported, such as rendering using gradient color.
if (baseAttr === 'controller' && visualType === 'opacity') {
mappingOption = zrUtil.clone(mappingOption);
mappingOption.type = 'colorAlpha';
mappings.__hidden.__alphaForOpacity = new VisualMapping(mappingOption);
}
}, this);
}, this);
}
function createMappings() {
var Creater = function () {};
// Make sure hidden fields will not be visited by
// object iteration (with hasOwnProperty checking).
Creater.prototype.__hidden = Creater.prototype;
var obj = new Creater();
return obj;
}
},
/**
* @protected
*/
completeVisualOption: function () {
var thisOption = this.option;
var base = {inRange: thisOption.inRange, outOfRange: thisOption.outOfRange};
var target = thisOption.target || (thisOption.target = {});
var controller = thisOption.controller || (thisOption.controller = {});
zrUtil.merge(target, base); // Do not override
zrUtil.merge(controller, base); // Do not override
var isCategory = this.isCategory();
completeSingle.call(this, target);
completeSingle.call(this, controller);
completeInactive.call(this, target, 'inRange', 'outOfRange');
completeInactive.call(this, target, 'outOfRange', 'inRange');
completeController.call(this, controller);
function completeSingle(base) {
// Compatible with ec2 dataRange.color.
// The mapping order of dataRange.color is: [high value, ..., low value]
// whereas inRange.color and outOfRange.color is [low value, ..., high value]
// Notice: ec2 has no inverse.
if (isArray(thisOption.color)
// If there has been inRange: {symbol: ...}, adding color is a mistake.
// So adding color only when no inRange defined.
&& !base.inRange
) {
base.inRange = {color: thisOption.color.slice().reverse()};
}
// If using shortcut like: {inRange: 'symbol'}, complete default value.
each(this.stateList, function (state) {
var visualType = base[state];
if (zrUtil.isString(visualType)) {
var defa = visualDefault.get(visualType, 'active', isCategory);
if (defa) {
base[state] = {};
base[state][visualType] = defa;
}
else {
// Mark as not specified.
delete base[state];
}
}
}, this);
}
function completeInactive(base, stateExist, stateAbsent) {
var optExist = base[stateExist];
var optAbsent = base[stateAbsent];
if (optExist && !optAbsent) {
optAbsent = base[stateAbsent] = {};
each(optExist, function (visualData, visualType) {
if (!VisualMapping.isValidType(visualType)) {
return;
}
var defa = visualDefault.get(visualType, 'inactive', isCategory);
if (defa != null) {
optAbsent[visualType] = defa;
// Compatibable with ec2:
// Only inactive color to rgba(0,0,0,0) can not
// make label transparent, so use opacity also.
if (visualType === 'color'
&& !optAbsent.hasOwnProperty('opacity')
&& !optAbsent.hasOwnProperty('colorAlpha')
) {
optAbsent.opacity = [0, 0];
}
}
});
}
}
function completeController(controller) {
var symbolExists = (controller.inRange || {}).symbol
|| (controller.outOfRange || {}).symbol;
var symbolSizeExists = (controller.inRange || {}).symbolSize
|| (controller.outOfRange || {}).symbolSize;
var inactiveColor = this.get('inactiveColor');
each(this.stateList, function (state) {
var itemSize = this.itemSize;
var visuals = controller[state];
// Set inactive color for controller if no other color
// attr (like colorAlpha) specified.
if (!visuals) {
visuals = controller[state] = {
color: isCategory ? inactiveColor : [inactiveColor]
};
}
// Consistent symbol and symbolSize if not specified.
if (visuals.symbol == null) {
visuals.symbol = symbolExists
&& zrUtil.clone(symbolExists)
|| (isCategory ? 'roundRect' : ['roundRect']);
}
if (visuals.symbolSize == null) {
visuals.symbolSize = symbolSizeExists
&& zrUtil.clone(symbolSizeExists)
|| (isCategory ? itemSize[0] : [itemSize[0], itemSize[0]]);
}
// Filter square and none.
visuals.symbol = mapVisual(visuals.symbol, function (symbol) {
return (symbol === 'none' || symbol === 'square') ? 'roundRect' : symbol;
});
// Normalize symbolSize
var symbolSize = visuals.symbolSize;
if (symbolSize != null) {
var max = -Infinity;
// symbolSize can be object when categories defined.
eachVisual(symbolSize, function (value) {
value > max && (max = value);
});
visuals.symbolSize = mapVisual(symbolSize, function (value) {
return linearMap(value, [0, max], [0, itemSize[0]], true);
});
}
}, this);
}
},
/**
* @public
*/
eachTargetSeries: function (callback, context) {
zrUtil.each(this.option.seriesIndex, function (seriesIndex) {
callback.call(context, this.ecModel.getSeriesByIndex(seriesIndex));
}, this);
},
/**
* @public
*/
isCategory: function () {
return !!this.option.categories;
},
/**
* @protected
*/
resetItemSize: function () {
this.itemSize = [
parseFloat(this.get('itemWidth')),
parseFloat(this.get('itemHeight'))
];
},
/**
* @public
* @abstract
*/
setSelected: zrUtil.noop,
/**
* @public
* @abstract
*/
getValueState: zrUtil.noop
});
function replaceVisualOption(thisOption, newOption) {
// Visual attributes merge is not supported, otherwise it
// brings overcomplicated merge logic. See #2853. So if
// newOption has anyone of these keys, all of these keys
// will be reset. Otherwise, all keys remain.
var visualKeys = [
'inRange', 'outOfRange', 'target', 'controller', 'color'
];
var has;
zrUtil.each(visualKeys, function (key) {
if (newOption.hasOwnProperty(key)) {
has = true;
}
});
has && zrUtil.each(visualKeys, function (key) {
if (newOption.hasOwnProperty(key)) {
thisOption[key] = zrUtil.clone(newOption[key]);
}
else {
delete thisOption[key];
}
});
}
return VisualMapModel;
}); |