518 lines
17 KiB
JavaScript
518 lines
17 KiB
JavaScript
|
|
/*
|
|
* Licensed to the Apache Software Foundation (ASF) under one
|
|
* or more contributor license agreements. See the NOTICE file
|
|
* distributed with this work for additional information
|
|
* regarding copyright ownership. The ASF licenses this file
|
|
* to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance
|
|
* with the License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing,
|
|
* software distributed under the License is distributed on an
|
|
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
|
* KIND, either express or implied. See the License for the
|
|
* specific language governing permissions and limitations
|
|
* under the License.
|
|
*/
|
|
|
|
var zrUtil = require("zrender/lib/core/util");
|
|
|
|
var numberUtil = require("../../util/number");
|
|
|
|
var helper = require("./helper");
|
|
|
|
var sliderMove = require("../helper/sliderMove");
|
|
|
|
/*
|
|
* Licensed to the Apache Software Foundation (ASF) under one
|
|
* or more contributor license agreements. See the NOTICE file
|
|
* distributed with this work for additional information
|
|
* regarding copyright ownership. The ASF licenses this file
|
|
* to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance
|
|
* with the License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing,
|
|
* software distributed under the License is distributed on an
|
|
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
|
* KIND, either express or implied. See the License for the
|
|
* specific language governing permissions and limitations
|
|
* under the License.
|
|
*/
|
|
var each = zrUtil.each;
|
|
var asc = numberUtil.asc;
|
|
/**
|
|
* Operate single axis.
|
|
* One axis can only operated by one axis operator.
|
|
* Different dataZoomModels may be defined to operate the same axis.
|
|
* (i.e. 'inside' data zoom and 'slider' data zoom components)
|
|
* So dataZoomModels share one axisProxy in that case.
|
|
*
|
|
* @class
|
|
*/
|
|
|
|
var AxisProxy = function (dimName, axisIndex, dataZoomModel, ecModel) {
|
|
/**
|
|
* @private
|
|
* @type {string}
|
|
*/
|
|
this._dimName = dimName;
|
|
/**
|
|
* @private
|
|
*/
|
|
|
|
this._axisIndex = axisIndex;
|
|
/**
|
|
* @private
|
|
* @type {Array.<number>}
|
|
*/
|
|
|
|
this._valueWindow;
|
|
/**
|
|
* @private
|
|
* @type {Array.<number>}
|
|
*/
|
|
|
|
this._percentWindow;
|
|
/**
|
|
* @private
|
|
* @type {Array.<number>}
|
|
*/
|
|
|
|
this._dataExtent;
|
|
/**
|
|
* {minSpan, maxSpan, minValueSpan, maxValueSpan}
|
|
* @private
|
|
* @type {Object}
|
|
*/
|
|
|
|
this._minMaxSpan;
|
|
/**
|
|
* @readOnly
|
|
* @type {module: echarts/model/Global}
|
|
*/
|
|
|
|
this.ecModel = ecModel;
|
|
/**
|
|
* @private
|
|
* @type {module: echarts/component/dataZoom/DataZoomModel}
|
|
*/
|
|
|
|
this._dataZoomModel = dataZoomModel; // /**
|
|
// * @readOnly
|
|
// * @private
|
|
// */
|
|
// this.hasSeriesStacked;
|
|
};
|
|
|
|
AxisProxy.prototype = {
|
|
constructor: AxisProxy,
|
|
|
|
/**
|
|
* Whether the axisProxy is hosted by dataZoomModel.
|
|
*
|
|
* @public
|
|
* @param {module: echarts/component/dataZoom/DataZoomModel} dataZoomModel
|
|
* @return {boolean}
|
|
*/
|
|
hostedBy: function (dataZoomModel) {
|
|
return this._dataZoomModel === dataZoomModel;
|
|
},
|
|
|
|
/**
|
|
* @return {Array.<number>} Value can only be NaN or finite value.
|
|
*/
|
|
getDataValueWindow: function () {
|
|
return this._valueWindow.slice();
|
|
},
|
|
|
|
/**
|
|
* @return {Array.<number>}
|
|
*/
|
|
getDataPercentWindow: function () {
|
|
return this._percentWindow.slice();
|
|
},
|
|
|
|
/**
|
|
* @public
|
|
* @param {number} axisIndex
|
|
* @return {Array} seriesModels
|
|
*/
|
|
getTargetSeriesModels: function () {
|
|
var seriesModels = [];
|
|
var ecModel = this.ecModel;
|
|
ecModel.eachSeries(function (seriesModel) {
|
|
if (helper.isCoordSupported(seriesModel.get('coordinateSystem'))) {
|
|
var dimName = this._dimName;
|
|
var axisModel = ecModel.queryComponents({
|
|
mainType: dimName + 'Axis',
|
|
index: seriesModel.get(dimName + 'AxisIndex'),
|
|
id: seriesModel.get(dimName + 'AxisId')
|
|
})[0];
|
|
|
|
if (this._axisIndex === (axisModel && axisModel.componentIndex)) {
|
|
seriesModels.push(seriesModel);
|
|
}
|
|
}
|
|
}, this);
|
|
return seriesModels;
|
|
},
|
|
getAxisModel: function () {
|
|
return this.ecModel.getComponent(this._dimName + 'Axis', this._axisIndex);
|
|
},
|
|
getOtherAxisModel: function () {
|
|
var axisDim = this._dimName;
|
|
var ecModel = this.ecModel;
|
|
var axisModel = this.getAxisModel();
|
|
var isCartesian = axisDim === 'x' || axisDim === 'y';
|
|
var otherAxisDim;
|
|
var coordSysIndexName;
|
|
|
|
if (isCartesian) {
|
|
coordSysIndexName = 'gridIndex';
|
|
otherAxisDim = axisDim === 'x' ? 'y' : 'x';
|
|
} else {
|
|
coordSysIndexName = 'polarIndex';
|
|
otherAxisDim = axisDim === 'angle' ? 'radius' : 'angle';
|
|
}
|
|
|
|
var foundOtherAxisModel;
|
|
ecModel.eachComponent(otherAxisDim + 'Axis', function (otherAxisModel) {
|
|
if ((otherAxisModel.get(coordSysIndexName) || 0) === (axisModel.get(coordSysIndexName) || 0)) {
|
|
foundOtherAxisModel = otherAxisModel;
|
|
}
|
|
});
|
|
return foundOtherAxisModel;
|
|
},
|
|
getMinMaxSpan: function () {
|
|
return zrUtil.clone(this._minMaxSpan);
|
|
},
|
|
|
|
/**
|
|
* Only calculate by given range and this._dataExtent, do not change anything.
|
|
*
|
|
* @param {Object} opt
|
|
* @param {number} [opt.start]
|
|
* @param {number} [opt.end]
|
|
* @param {number} [opt.startValue]
|
|
* @param {number} [opt.endValue]
|
|
*/
|
|
calculateDataWindow: function (opt) {
|
|
var dataExtent = this._dataExtent;
|
|
var axisModel = this.getAxisModel();
|
|
var scale = axisModel.axis.scale;
|
|
|
|
var rangePropMode = this._dataZoomModel.getRangePropMode();
|
|
|
|
var percentExtent = [0, 100];
|
|
var percentWindow = [];
|
|
var valueWindow = [];
|
|
var hasPropModeValue;
|
|
each(['start', 'end'], function (prop, idx) {
|
|
var boundPercent = opt[prop];
|
|
var boundValue = opt[prop + 'Value']; // Notice: dataZoom is based either on `percentProp` ('start', 'end') or
|
|
// on `valueProp` ('startValue', 'endValue'). (They are based on the data extent
|
|
// but not min/max of axis, which will be calculated by data window then).
|
|
// The former one is suitable for cases that a dataZoom component controls multiple
|
|
// axes with different unit or extent, and the latter one is suitable for accurate
|
|
// zoom by pixel (e.g., in dataZoomSelect).
|
|
// we use `getRangePropMode()` to mark which prop is used. `rangePropMode` is updated
|
|
// only when setOption or dispatchAction, otherwise it remains its original value.
|
|
// (Why not only record `percentProp` and always map to `valueProp`? Because
|
|
// the map `valueProp` -> `percentProp` -> `valueProp` probably not the original
|
|
// `valueProp`. consider two axes constrolled by one dataZoom. They have different
|
|
// data extent. All of values that are overflow the `dataExtent` will be calculated
|
|
// to percent '100%').
|
|
|
|
if (rangePropMode[idx] === 'percent') {
|
|
boundPercent == null && (boundPercent = percentExtent[idx]); // Use scale.parse to math round for category or time axis.
|
|
|
|
boundValue = scale.parse(numberUtil.linearMap(boundPercent, percentExtent, dataExtent));
|
|
} else {
|
|
hasPropModeValue = true;
|
|
boundValue = boundValue == null ? dataExtent[idx] : scale.parse(boundValue); // Calculating `percent` from `value` may be not accurate, because
|
|
// This calculation can not be inversed, because all of values that
|
|
// are overflow the `dataExtent` will be calculated to percent '100%'
|
|
|
|
boundPercent = numberUtil.linearMap(boundValue, dataExtent, percentExtent);
|
|
} // valueWindow[idx] = round(boundValue);
|
|
// percentWindow[idx] = round(boundPercent);
|
|
|
|
|
|
valueWindow[idx] = boundValue;
|
|
percentWindow[idx] = boundPercent;
|
|
});
|
|
asc(valueWindow);
|
|
asc(percentWindow); // The windows from user calling of `dispatchAction` might be out of the extent,
|
|
// or do not obey the `min/maxSpan`, `min/maxValueSpan`. But we dont restrict window
|
|
// by `zoomLock` here, because we see `zoomLock` just as a interaction constraint,
|
|
// where API is able to initialize/modify the window size even though `zoomLock`
|
|
// specified.
|
|
|
|
var spans = this._minMaxSpan;
|
|
hasPropModeValue ? restrictSet(valueWindow, percentWindow, dataExtent, percentExtent, false) : restrictSet(percentWindow, valueWindow, percentExtent, dataExtent, true);
|
|
|
|
function restrictSet(fromWindow, toWindow, fromExtent, toExtent, toValue) {
|
|
var suffix = toValue ? 'Span' : 'ValueSpan';
|
|
sliderMove(0, fromWindow, fromExtent, 'all', spans['min' + suffix], spans['max' + suffix]);
|
|
|
|
for (var i = 0; i < 2; i++) {
|
|
toWindow[i] = numberUtil.linearMap(fromWindow[i], fromExtent, toExtent, true);
|
|
toValue && (toWindow[i] = scale.parse(toWindow[i]));
|
|
}
|
|
}
|
|
|
|
return {
|
|
valueWindow: valueWindow,
|
|
percentWindow: percentWindow
|
|
};
|
|
},
|
|
|
|
/**
|
|
* Notice: reset should not be called before series.restoreData() called,
|
|
* so it is recommanded to be called in "process stage" but not "model init
|
|
* stage".
|
|
*
|
|
* @param {module: echarts/component/dataZoom/DataZoomModel} dataZoomModel
|
|
*/
|
|
reset: function (dataZoomModel) {
|
|
if (dataZoomModel !== this._dataZoomModel) {
|
|
return;
|
|
}
|
|
|
|
var targetSeries = this.getTargetSeriesModels(); // Culculate data window and data extent, and record them.
|
|
|
|
this._dataExtent = calculateDataExtent(this, this._dimName, targetSeries); // this.hasSeriesStacked = false;
|
|
// each(targetSeries, function (series) {
|
|
// var data = series.getData();
|
|
// var dataDim = data.mapDimension(this._dimName);
|
|
// var stackedDimension = data.getCalculationInfo('stackedDimension');
|
|
// if (stackedDimension && stackedDimension === dataDim) {
|
|
// this.hasSeriesStacked = true;
|
|
// }
|
|
// }, this);
|
|
// `calculateDataWindow` uses min/maxSpan.
|
|
|
|
setMinMaxSpan(this);
|
|
var dataWindow = this.calculateDataWindow(dataZoomModel.settledOption);
|
|
this._valueWindow = dataWindow.valueWindow;
|
|
this._percentWindow = dataWindow.percentWindow; // Update axis setting then.
|
|
|
|
setAxisModel(this);
|
|
},
|
|
|
|
/**
|
|
* @param {module: echarts/component/dataZoom/DataZoomModel} dataZoomModel
|
|
*/
|
|
restore: function (dataZoomModel) {
|
|
if (dataZoomModel !== this._dataZoomModel) {
|
|
return;
|
|
}
|
|
|
|
this._valueWindow = this._percentWindow = null;
|
|
setAxisModel(this, true);
|
|
},
|
|
|
|
/**
|
|
* @param {module: echarts/component/dataZoom/DataZoomModel} dataZoomModel
|
|
*/
|
|
filterData: function (dataZoomModel, api) {
|
|
if (dataZoomModel !== this._dataZoomModel) {
|
|
return;
|
|
}
|
|
|
|
var axisDim = this._dimName;
|
|
var seriesModels = this.getTargetSeriesModels();
|
|
var filterMode = dataZoomModel.get('filterMode');
|
|
var valueWindow = this._valueWindow;
|
|
|
|
if (filterMode === 'none') {
|
|
return;
|
|
} // FIXME
|
|
// Toolbox may has dataZoom injected. And if there are stacked bar chart
|
|
// with NaN data, NaN will be filtered and stack will be wrong.
|
|
// So we need to force the mode to be set empty.
|
|
// In fect, it is not a big deal that do not support filterMode-'filter'
|
|
// when using toolbox#dataZoom, utill tooltip#dataZoom support "single axis
|
|
// selection" some day, which might need "adapt to data extent on the
|
|
// otherAxis", which is disabled by filterMode-'empty'.
|
|
// But currently, stack has been fixed to based on value but not index,
|
|
// so this is not an issue any more.
|
|
// var otherAxisModel = this.getOtherAxisModel();
|
|
// if (dataZoomModel.get('$fromToolbox')
|
|
// && otherAxisModel
|
|
// && otherAxisModel.hasSeriesStacked
|
|
// ) {
|
|
// filterMode = 'empty';
|
|
// }
|
|
// TODO
|
|
// filterMode 'weakFilter' and 'empty' is not optimized for huge data yet.
|
|
|
|
|
|
each(seriesModels, function (seriesModel) {
|
|
var seriesData = seriesModel.getData();
|
|
var dataDims = seriesData.mapDimension(axisDim, true);
|
|
|
|
if (!dataDims.length) {
|
|
return;
|
|
}
|
|
|
|
if (filterMode === 'weakFilter') {
|
|
seriesData.filterSelf(function (dataIndex) {
|
|
var leftOut;
|
|
var rightOut;
|
|
var hasValue;
|
|
|
|
for (var i = 0; i < dataDims.length; i++) {
|
|
var value = seriesData.get(dataDims[i], dataIndex);
|
|
var thisHasValue = !isNaN(value);
|
|
var thisLeftOut = value < valueWindow[0];
|
|
var thisRightOut = value > valueWindow[1];
|
|
|
|
if (thisHasValue && !thisLeftOut && !thisRightOut) {
|
|
return true;
|
|
}
|
|
|
|
thisHasValue && (hasValue = true);
|
|
thisLeftOut && (leftOut = true);
|
|
thisRightOut && (rightOut = true);
|
|
} // If both left out and right out, do not filter.
|
|
|
|
|
|
return hasValue && leftOut && rightOut;
|
|
});
|
|
} else {
|
|
each(dataDims, function (dim) {
|
|
if (filterMode === 'empty') {
|
|
seriesModel.setData(seriesData = seriesData.map(dim, function (value) {
|
|
return !isInWindow(value) ? NaN : value;
|
|
}));
|
|
} else {
|
|
var range = {};
|
|
range[dim] = valueWindow; // console.time('select');
|
|
|
|
seriesData.selectRange(range); // console.timeEnd('select');
|
|
}
|
|
});
|
|
}
|
|
|
|
each(dataDims, function (dim) {
|
|
seriesData.setApproximateExtent(valueWindow, dim);
|
|
});
|
|
});
|
|
|
|
function isInWindow(value) {
|
|
return value >= valueWindow[0] && value <= valueWindow[1];
|
|
}
|
|
}
|
|
};
|
|
|
|
function calculateDataExtent(axisProxy, axisDim, seriesModels) {
|
|
var dataExtent = [Infinity, -Infinity];
|
|
each(seriesModels, function (seriesModel) {
|
|
var seriesData = seriesModel.getData();
|
|
|
|
if (seriesData) {
|
|
each(seriesData.mapDimension(axisDim, true), function (dim) {
|
|
var seriesExtent = seriesData.getApproximateExtent(dim);
|
|
seriesExtent[0] < dataExtent[0] && (dataExtent[0] = seriesExtent[0]);
|
|
seriesExtent[1] > dataExtent[1] && (dataExtent[1] = seriesExtent[1]);
|
|
});
|
|
}
|
|
});
|
|
|
|
if (dataExtent[1] < dataExtent[0]) {
|
|
dataExtent = [NaN, NaN];
|
|
} // It is important to get "consistent" extent when more then one axes is
|
|
// controlled by a `dataZoom`, otherwise those axes will not be synchronized
|
|
// when zooming. But it is difficult to know what is "consistent", considering
|
|
// axes have different type or even different meanings (For example, two
|
|
// time axes are used to compare data of the same date in different years).
|
|
// So basically dataZoom just obtains extent by series.data (in category axis
|
|
// extent can be obtained from axis.data).
|
|
// Nevertheless, user can set min/max/scale on axes to make extent of axes
|
|
// consistent.
|
|
|
|
|
|
fixExtentByAxis(axisProxy, dataExtent);
|
|
return dataExtent;
|
|
}
|
|
|
|
function fixExtentByAxis(axisProxy, dataExtent) {
|
|
var axisModel = axisProxy.getAxisModel();
|
|
var min = axisModel.getMin(true); // For category axis, if min/max/scale are not set, extent is determined
|
|
// by axis.data by default.
|
|
|
|
var isCategoryAxis = axisModel.get('type') === 'category';
|
|
var axisDataLen = isCategoryAxis && axisModel.getCategories().length;
|
|
|
|
if (min != null && min !== 'dataMin' && typeof min !== 'function') {
|
|
dataExtent[0] = min;
|
|
} else if (isCategoryAxis) {
|
|
dataExtent[0] = axisDataLen > 0 ? 0 : NaN;
|
|
}
|
|
|
|
var max = axisModel.getMax(true);
|
|
|
|
if (max != null && max !== 'dataMax' && typeof max !== 'function') {
|
|
dataExtent[1] = max;
|
|
} else if (isCategoryAxis) {
|
|
dataExtent[1] = axisDataLen > 0 ? axisDataLen - 1 : NaN;
|
|
}
|
|
|
|
if (!axisModel.get('scale', true)) {
|
|
dataExtent[0] > 0 && (dataExtent[0] = 0);
|
|
dataExtent[1] < 0 && (dataExtent[1] = 0);
|
|
} // For value axis, if min/max/scale are not set, we just use the extent obtained
|
|
// by series data, which may be a little different from the extent calculated by
|
|
// `axisHelper.getScaleExtent`. But the different just affects the experience a
|
|
// little when zooming. So it will not be fixed until some users require it strongly.
|
|
|
|
|
|
return dataExtent;
|
|
}
|
|
|
|
function setAxisModel(axisProxy, isRestore) {
|
|
var axisModel = axisProxy.getAxisModel();
|
|
var percentWindow = axisProxy._percentWindow;
|
|
var valueWindow = axisProxy._valueWindow;
|
|
|
|
if (!percentWindow) {
|
|
return;
|
|
} // [0, 500]: arbitrary value, guess axis extent.
|
|
|
|
|
|
var precision = numberUtil.getPixelPrecision(valueWindow, [0, 500]);
|
|
precision = Math.min(precision, 20); // isRestore or isFull
|
|
|
|
var useOrigin = isRestore || percentWindow[0] === 0 && percentWindow[1] === 100;
|
|
axisModel.setRange(useOrigin ? null : +valueWindow[0].toFixed(precision), useOrigin ? null : +valueWindow[1].toFixed(precision));
|
|
}
|
|
|
|
function setMinMaxSpan(axisProxy) {
|
|
var minMaxSpan = axisProxy._minMaxSpan = {};
|
|
var dataZoomModel = axisProxy._dataZoomModel;
|
|
var dataExtent = axisProxy._dataExtent;
|
|
each(['min', 'max'], function (minMax) {
|
|
var percentSpan = dataZoomModel.get(minMax + 'Span');
|
|
var valueSpan = dataZoomModel.get(minMax + 'ValueSpan');
|
|
valueSpan != null && (valueSpan = axisProxy.getAxisModel().axis.scale.parse(valueSpan)); // minValueSpan and maxValueSpan has higher priority than minSpan and maxSpan
|
|
|
|
if (valueSpan != null) {
|
|
percentSpan = numberUtil.linearMap(dataExtent[0] + valueSpan, dataExtent, [0, 100], true);
|
|
} else if (percentSpan != null) {
|
|
valueSpan = numberUtil.linearMap(percentSpan, [0, 100], dataExtent, true) - dataExtent[0];
|
|
}
|
|
|
|
minMaxSpan[minMax + 'Span'] = percentSpan;
|
|
minMaxSpan[minMax + 'ValueSpan'] = valueSpan;
|
|
});
|
|
}
|
|
|
|
var _default = AxisProxy;
|
|
module.exports = _default; |