travel/admin/node_modules/echarts/lib/component/helper/BrushTargetManager.js

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2024-06-24 11:28:18 +08:00
/*
* 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 _config = require("../../config");
var __DEV__ = _config.__DEV__;
var zrUtil = require("zrender/lib/core/util");
var graphic = require("../../util/graphic");
var modelUtil = require("../../util/model");
var brushHelper = require("./brushHelper");
/*
* 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 indexOf = zrUtil.indexOf;
var curry = zrUtil.curry;
var COORD_CONVERTS = ['dataToPoint', 'pointToData']; // FIXME
// how to genarialize to more coordinate systems.
var INCLUDE_FINDER_MAIN_TYPES = ['grid', 'xAxis', 'yAxis', 'geo', 'graph', 'polar', 'radiusAxis', 'angleAxis', 'bmap'];
/**
* [option in constructor]:
* {
* Index/Id/Name of geo, xAxis, yAxis, grid: See util/model#parseFinder.
* }
*
*
* [targetInfo]:
*
* There can be multiple axes in a single targetInfo. Consider the case
* of `grid` component, a targetInfo represents a grid which contains one or more
* cartesian and one or more axes. And consider the case of parallel system,
* which has multiple axes in a coordinate system.
* Can be {
* panelId: ...,
* coordSys: <a representitive cartesian in grid (first cartesian by default)>,
* coordSyses: all cartesians.
* gridModel: <grid component>
* xAxes: correspond to coordSyses on index
* yAxes: correspond to coordSyses on index
* }
* or {
* panelId: ...,
* coordSys: <geo coord sys>
* coordSyses: [<geo coord sys>]
* geoModel: <geo component>
* }
*
*
* [panelOpt]:
*
* Make from targetInfo. Input to BrushController.
* {
* panelId: ...,
* rect: ...
* }
*
*
* [area]:
*
* Generated by BrushController or user input.
* {
* panelId: Used to locate coordInfo directly. If user inpput, no panelId.
* brushType: determine how to convert to/from coord('rect' or 'polygon' or 'lineX/Y').
* Index/Id/Name of geo, xAxis, yAxis, grid: See util/model#parseFinder.
* range: pixel range.
* coordRange: representitive coord range (the first one of coordRanges).
* coordRanges: <Array> coord ranges, used in multiple cartesian in one grid.
* }
*/
/**
* @param {Object} option contains Index/Id/Name of xAxis/yAxis/geo/grid
* Each can be {number|Array.<number>}. like: {xAxisIndex: [3, 4]}
* @param {module:echarts/model/Global} ecModel
* @param {Object} [opt]
* @param {Array.<string>} [opt.include] include coordinate system types.
*/
function BrushTargetManager(option, ecModel, opt) {
/**
* @private
* @type {Array.<Object>}
*/
var targetInfoList = this._targetInfoList = [];
var info = {};
var foundCpts = parseFinder(ecModel, option);
each(targetInfoBuilders, function (builder, type) {
if (!opt || !opt.include || indexOf(opt.include, type) >= 0) {
builder(foundCpts, targetInfoList, info);
}
});
}
var proto = BrushTargetManager.prototype;
proto.setOutputRanges = function (areas, ecModel) {
this.matchOutputRanges(areas, ecModel, function (area, coordRange, coordSys) {
(area.coordRanges || (area.coordRanges = [])).push(coordRange); // area.coordRange is the first of area.coordRanges
if (!area.coordRange) {
area.coordRange = coordRange; // In 'category' axis, coord to pixel is not reversible, so we can not
// rebuild range by coordRange accrately, which may bring trouble when
// brushing only one item. So we use __rangeOffset to rebuilding range
// by coordRange. And this it only used in brush component so it is no
// need to be adapted to coordRanges.
var result = coordConvert[area.brushType](0, coordSys, coordRange);
area.__rangeOffset = {
offset: diffProcessor[area.brushType](result.values, area.range, [1, 1]),
xyMinMax: result.xyMinMax
};
}
});
};
proto.matchOutputRanges = function (areas, ecModel, cb) {
each(areas, function (area) {
var targetInfo = this.findTargetInfo(area, ecModel);
if (targetInfo && targetInfo !== true) {
zrUtil.each(targetInfo.coordSyses, function (coordSys) {
var result = coordConvert[area.brushType](1, coordSys, area.range);
cb(area, result.values, coordSys, ecModel);
});
}
}, this);
};
proto.setInputRanges = function (areas, ecModel) {
each(areas, function (area) {
var targetInfo = this.findTargetInfo(area, ecModel);
area.range = area.range || []; // convert coordRange to global range and set panelId.
if (targetInfo && targetInfo !== true) {
area.panelId = targetInfo.panelId; // (1) area.range shoule always be calculate from coordRange but does
// not keep its original value, for the sake of the dataZoom scenario,
// where area.coordRange remains unchanged but area.range may be changed.
// (2) Only support converting one coordRange to pixel range in brush
// component. So do not consider `coordRanges`.
// (3) About __rangeOffset, see comment above.
var result = coordConvert[area.brushType](0, targetInfo.coordSys, area.coordRange);
var rangeOffset = area.__rangeOffset;
area.range = rangeOffset ? diffProcessor[area.brushType](result.values, rangeOffset.offset, getScales(result.xyMinMax, rangeOffset.xyMinMax)) : result.values;
}
}, this);
};
proto.makePanelOpts = function (api, getDefaultBrushType) {
return zrUtil.map(this._targetInfoList, function (targetInfo) {
var rect = targetInfo.getPanelRect();
return {
panelId: targetInfo.panelId,
defaultBrushType: getDefaultBrushType && getDefaultBrushType(targetInfo),
clipPath: brushHelper.makeRectPanelClipPath(rect),
isTargetByCursor: brushHelper.makeRectIsTargetByCursor(rect, api, targetInfo.coordSysModel),
getLinearBrushOtherExtent: brushHelper.makeLinearBrushOtherExtent(rect)
};
});
};
proto.controlSeries = function (area, seriesModel, ecModel) {
// Check whether area is bound in coord, and series do not belong to that coord.
// If do not do this check, some brush (like lineX) will controll all axes.
var targetInfo = this.findTargetInfo(area, ecModel);
return targetInfo === true || targetInfo && indexOf(targetInfo.coordSyses, seriesModel.coordinateSystem) >= 0;
};
/**
* If return Object, a coord found.
* If reutrn true, global found.
* Otherwise nothing found.
*
* @param {Object} area
* @param {Array} targetInfoList
* @return {Object|boolean}
*/
proto.findTargetInfo = function (area, ecModel) {
var targetInfoList = this._targetInfoList;
var foundCpts = parseFinder(ecModel, area);
for (var i = 0; i < targetInfoList.length; i++) {
var targetInfo = targetInfoList[i];
var areaPanelId = area.panelId;
if (areaPanelId) {
if (targetInfo.panelId === areaPanelId) {
return targetInfo;
}
} else {
for (var i = 0; i < targetInfoMatchers.length; i++) {
if (targetInfoMatchers[i](foundCpts, targetInfo)) {
return targetInfo;
}
}
}
}
return true;
};
function formatMinMax(minMax) {
minMax[0] > minMax[1] && minMax.reverse();
return minMax;
}
function parseFinder(ecModel, option) {
return modelUtil.parseFinder(ecModel, option, {
includeMainTypes: INCLUDE_FINDER_MAIN_TYPES
});
}
var targetInfoBuilders = {
grid: function (foundCpts, targetInfoList) {
var xAxisModels = foundCpts.xAxisModels;
var yAxisModels = foundCpts.yAxisModels;
var gridModels = foundCpts.gridModels; // Remove duplicated.
var gridModelMap = zrUtil.createHashMap();
var xAxesHas = {};
var yAxesHas = {};
if (!xAxisModels && !yAxisModels && !gridModels) {
return;
}
each(xAxisModels, function (axisModel) {
var gridModel = axisModel.axis.grid.model;
gridModelMap.set(gridModel.id, gridModel);
xAxesHas[gridModel.id] = true;
});
each(yAxisModels, function (axisModel) {
var gridModel = axisModel.axis.grid.model;
gridModelMap.set(gridModel.id, gridModel);
yAxesHas[gridModel.id] = true;
});
each(gridModels, function (gridModel) {
gridModelMap.set(gridModel.id, gridModel);
xAxesHas[gridModel.id] = true;
yAxesHas[gridModel.id] = true;
});
gridModelMap.each(function (gridModel) {
var grid = gridModel.coordinateSystem;
var cartesians = [];
each(grid.getCartesians(), function (cartesian, index) {
if (indexOf(xAxisModels, cartesian.getAxis('x').model) >= 0 || indexOf(yAxisModels, cartesian.getAxis('y').model) >= 0) {
cartesians.push(cartesian);
}
});
targetInfoList.push({
panelId: 'grid--' + gridModel.id,
gridModel: gridModel,
coordSysModel: gridModel,
// Use the first one as the representitive coordSys.
coordSys: cartesians[0],
coordSyses: cartesians,
getPanelRect: panelRectBuilder.grid,
xAxisDeclared: xAxesHas[gridModel.id],
yAxisDeclared: yAxesHas[gridModel.id]
});
});
},
geo: function (foundCpts, targetInfoList) {
each(foundCpts.geoModels, function (geoModel) {
var coordSys = geoModel.coordinateSystem;
targetInfoList.push({
panelId: 'geo--' + geoModel.id,
geoModel: geoModel,
coordSysModel: geoModel,
coordSys: coordSys,
coordSyses: [coordSys],
getPanelRect: panelRectBuilder.geo
});
});
}
};
var targetInfoMatchers = [// grid
function (foundCpts, targetInfo) {
var xAxisModel = foundCpts.xAxisModel;
var yAxisModel = foundCpts.yAxisModel;
var gridModel = foundCpts.gridModel;
!gridModel && xAxisModel && (gridModel = xAxisModel.axis.grid.model);
!gridModel && yAxisModel && (gridModel = yAxisModel.axis.grid.model);
return gridModel && gridModel === targetInfo.gridModel;
}, // geo
function (foundCpts, targetInfo) {
var geoModel = foundCpts.geoModel;
return geoModel && geoModel === targetInfo.geoModel;
}];
var panelRectBuilder = {
grid: function () {
// grid is not Transformable.
return this.coordSys.grid.getRect().clone();
},
geo: function () {
var coordSys = this.coordSys;
var rect = coordSys.getBoundingRect().clone(); // geo roam and zoom transform
rect.applyTransform(graphic.getTransform(coordSys));
return rect;
}
};
var coordConvert = {
lineX: curry(axisConvert, 0),
lineY: curry(axisConvert, 1),
rect: function (to, coordSys, rangeOrCoordRange) {
var xminymin = coordSys[COORD_CONVERTS[to]]([rangeOrCoordRange[0][0], rangeOrCoordRange[1][0]]);
var xmaxymax = coordSys[COORD_CONVERTS[to]]([rangeOrCoordRange[0][1], rangeOrCoordRange[1][1]]);
var values = [formatMinMax([xminymin[0], xmaxymax[0]]), formatMinMax([xminymin[1], xmaxymax[1]])];
return {
values: values,
xyMinMax: values
};
},
polygon: function (to, coordSys, rangeOrCoordRange) {
var xyMinMax = [[Infinity, -Infinity], [Infinity, -Infinity]];
var values = zrUtil.map(rangeOrCoordRange, function (item) {
var p = coordSys[COORD_CONVERTS[to]](item);
xyMinMax[0][0] = Math.min(xyMinMax[0][0], p[0]);
xyMinMax[1][0] = Math.min(xyMinMax[1][0], p[1]);
xyMinMax[0][1] = Math.max(xyMinMax[0][1], p[0]);
xyMinMax[1][1] = Math.max(xyMinMax[1][1], p[1]);
return p;
});
return {
values: values,
xyMinMax: xyMinMax
};
}
};
function axisConvert(axisNameIndex, to, coordSys, rangeOrCoordRange) {
var axis = coordSys.getAxis(['x', 'y'][axisNameIndex]);
var values = formatMinMax(zrUtil.map([0, 1], function (i) {
return to ? axis.coordToData(axis.toLocalCoord(rangeOrCoordRange[i])) : axis.toGlobalCoord(axis.dataToCoord(rangeOrCoordRange[i]));
}));
var xyMinMax = [];
xyMinMax[axisNameIndex] = values;
xyMinMax[1 - axisNameIndex] = [NaN, NaN];
return {
values: values,
xyMinMax: xyMinMax
};
}
var diffProcessor = {
lineX: curry(axisDiffProcessor, 0),
lineY: curry(axisDiffProcessor, 1),
rect: function (values, refer, scales) {
return [[values[0][0] - scales[0] * refer[0][0], values[0][1] - scales[0] * refer[0][1]], [values[1][0] - scales[1] * refer[1][0], values[1][1] - scales[1] * refer[1][1]]];
},
polygon: function (values, refer, scales) {
return zrUtil.map(values, function (item, idx) {
return [item[0] - scales[0] * refer[idx][0], item[1] - scales[1] * refer[idx][1]];
});
}
};
function axisDiffProcessor(axisNameIndex, values, refer, scales) {
return [values[0] - scales[axisNameIndex] * refer[0], values[1] - scales[axisNameIndex] * refer[1]];
} // We have to process scale caused by dataZoom manually,
// although it might be not accurate.
function getScales(xyMinMaxCurr, xyMinMaxOrigin) {
var sizeCurr = getSize(xyMinMaxCurr);
var sizeOrigin = getSize(xyMinMaxOrigin);
var scales = [sizeCurr[0] / sizeOrigin[0], sizeCurr[1] / sizeOrigin[1]];
isNaN(scales[0]) && (scales[0] = 1);
isNaN(scales[1]) && (scales[1] = 1);
return scales;
}
function getSize(xyMinMax) {
return xyMinMax ? [xyMinMax[0][1] - xyMinMax[0][0], xyMinMax[1][1] - xyMinMax[1][0]] : [NaN, NaN];
}
var _default = BrushTargetManager;
module.exports = _default;