project/node_modules/echarts/lib/chart/parallel/ParallelView.js

221 lines
7.6 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.
*/
/**
* AUTO-GENERATED FILE. DO NOT MODIFY.
*/
/*
* 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.
*/
import { __extends } from "tslib";
import * as graphic from '../../util/graphic.js';
import { setStatesStylesFromModel, toggleHoverEmphasis } from '../../util/states.js';
import ChartView from '../../view/Chart.js';
import { numericToNumber } from '../../util/number.js';
import { eqNaN } from 'zrender/lib/core/util.js';
import { saveOldStyle } from '../../animation/basicTransition.js';
var DEFAULT_SMOOTH = 0.3;
var ParallelView = /** @class */function (_super) {
__extends(ParallelView, _super);
function ParallelView() {
var _this = _super !== null && _super.apply(this, arguments) || this;
_this.type = ParallelView.type;
_this._dataGroup = new graphic.Group();
_this._initialized = false;
return _this;
}
ParallelView.prototype.init = function () {
this.group.add(this._dataGroup);
};
/**
* @override
*/
ParallelView.prototype.render = function (seriesModel, ecModel, api, payload) {
// Clear previously rendered progressive elements.
this._progressiveEls = null;
var dataGroup = this._dataGroup;
var data = seriesModel.getData();
var oldData = this._data;
var coordSys = seriesModel.coordinateSystem;
var dimensions = coordSys.dimensions;
var seriesScope = makeSeriesScope(seriesModel);
data.diff(oldData).add(add).update(update).remove(remove).execute();
function add(newDataIndex) {
var line = addEl(data, dataGroup, newDataIndex, dimensions, coordSys);
updateElCommon(line, data, newDataIndex, seriesScope);
}
function update(newDataIndex, oldDataIndex) {
var line = oldData.getItemGraphicEl(oldDataIndex);
var points = createLinePoints(data, newDataIndex, dimensions, coordSys);
data.setItemGraphicEl(newDataIndex, line);
graphic.updateProps(line, {
shape: {
points: points
}
}, seriesModel, newDataIndex);
saveOldStyle(line);
updateElCommon(line, data, newDataIndex, seriesScope);
}
function remove(oldDataIndex) {
var line = oldData.getItemGraphicEl(oldDataIndex);
dataGroup.remove(line);
}
// First create
if (!this._initialized) {
this._initialized = true;
var clipPath = createGridClipShape(coordSys, seriesModel, function () {
// Callback will be invoked immediately if there is no animation
setTimeout(function () {
dataGroup.removeClipPath();
});
});
dataGroup.setClipPath(clipPath);
}
this._data = data;
};
ParallelView.prototype.incrementalPrepareRender = function (seriesModel, ecModel, api) {
this._initialized = true;
this._data = null;
this._dataGroup.removeAll();
};
ParallelView.prototype.incrementalRender = function (taskParams, seriesModel, ecModel) {
var data = seriesModel.getData();
var coordSys = seriesModel.coordinateSystem;
var dimensions = coordSys.dimensions;
var seriesScope = makeSeriesScope(seriesModel);
var progressiveEls = this._progressiveEls = [];
for (var dataIndex = taskParams.start; dataIndex < taskParams.end; dataIndex++) {
var line = addEl(data, this._dataGroup, dataIndex, dimensions, coordSys);
line.incremental = true;
updateElCommon(line, data, dataIndex, seriesScope);
progressiveEls.push(line);
}
};
ParallelView.prototype.remove = function () {
this._dataGroup && this._dataGroup.removeAll();
this._data = null;
};
ParallelView.type = 'parallel';
return ParallelView;
}(ChartView);
function createGridClipShape(coordSys, seriesModel, cb) {
var parallelModel = coordSys.model;
var rect = coordSys.getRect();
var rectEl = new graphic.Rect({
shape: {
x: rect.x,
y: rect.y,
width: rect.width,
height: rect.height
}
});
var dim = parallelModel.get('layout') === 'horizontal' ? 'width' : 'height';
rectEl.setShape(dim, 0);
graphic.initProps(rectEl, {
shape: {
width: rect.width,
height: rect.height
}
}, seriesModel, cb);
return rectEl;
}
function createLinePoints(data, dataIndex, dimensions, coordSys) {
var points = [];
for (var i = 0; i < dimensions.length; i++) {
var dimName = dimensions[i];
var value = data.get(data.mapDimension(dimName), dataIndex);
if (!isEmptyValue(value, coordSys.getAxis(dimName).type)) {
points.push(coordSys.dataToPoint(value, dimName));
}
}
return points;
}
function addEl(data, dataGroup, dataIndex, dimensions, coordSys) {
var points = createLinePoints(data, dataIndex, dimensions, coordSys);
var line = new graphic.Polyline({
shape: {
points: points
},
// silent: true,
z2: 10
});
dataGroup.add(line);
data.setItemGraphicEl(dataIndex, line);
return line;
}
function makeSeriesScope(seriesModel) {
var smooth = seriesModel.get('smooth', true);
smooth === true && (smooth = DEFAULT_SMOOTH);
smooth = numericToNumber(smooth);
eqNaN(smooth) && (smooth = 0);
return {
smooth: smooth
};
}
function updateElCommon(el, data, dataIndex, seriesScope) {
el.useStyle(data.getItemVisual(dataIndex, 'style'));
el.style.fill = null;
el.setShape('smooth', seriesScope.smooth);
var itemModel = data.getItemModel(dataIndex);
var emphasisModel = itemModel.getModel('emphasis');
setStatesStylesFromModel(el, itemModel, 'lineStyle');
toggleHoverEmphasis(el, emphasisModel.get('focus'), emphasisModel.get('blurScope'), emphasisModel.get('disabled'));
}
// function simpleDiff(oldData, newData, dimensions) {
// let oldLen;
// if (!oldData
// || !oldData.__plProgressive
// || (oldLen = oldData.count()) !== newData.count()
// ) {
// return true;
// }
// let dimLen = dimensions.length;
// for (let i = 0; i < oldLen; i++) {
// for (let j = 0; j < dimLen; j++) {
// if (oldData.get(dimensions[j], i) !== newData.get(dimensions[j], i)) {
// return true;
// }
// }
// }
// return false;
// }
// FIXME put in common util?
function isEmptyValue(val, axisType) {
return axisType === 'category' ? val == null : val == null || isNaN(val); // axisType === 'value'
}
export default ParallelView;