lepu-test-platform-web/node_modules/echarts/lib/chart/lines/LinesSeries.js

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/*
* 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 SeriesModel = require("../../model/Series");
var List = require("../../data/List");
var _util = require("zrender/lib/core/util");
var concatArray = _util.concatArray;
var mergeAll = _util.mergeAll;
var map = _util.map;
var _format = require("../../util/format");
var encodeHTML = _format.encodeHTML;
var CoordinateSystem = require("../../CoordinateSystem");
/*
* 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.
*/
/* global Uint32Array, Float64Array, Float32Array */
var Uint32Arr = typeof Uint32Array === 'undefined' ? Array : Uint32Array;
var Float64Arr = typeof Float64Array === 'undefined' ? Array : Float64Array;
function compatEc2(seriesOpt) {
var data = seriesOpt.data;
if (data && data[0] && data[0][0] && data[0][0].coord) {
seriesOpt.data = map(data, function (itemOpt) {
var coords = [itemOpt[0].coord, itemOpt[1].coord];
var target = {
coords: coords
};
if (itemOpt[0].name) {
target.fromName = itemOpt[0].name;
}
if (itemOpt[1].name) {
target.toName = itemOpt[1].name;
}
return mergeAll([target, itemOpt[0], itemOpt[1]]);
});
}
}
var LinesSeries = SeriesModel.extend({
type: 'series.lines',
dependencies: ['grid', 'polar'],
visualColorAccessPath: 'lineStyle.color',
init: function (option) {
// The input data may be null/undefined.
option.data = option.data || []; // Not using preprocessor because mergeOption may not have series.type
compatEc2(option);
var result = this._processFlatCoordsArray(option.data);
this._flatCoords = result.flatCoords;
this._flatCoordsOffset = result.flatCoordsOffset;
if (result.flatCoords) {
option.data = new Float32Array(result.count);
}
LinesSeries.superApply(this, 'init', arguments);
},
mergeOption: function (option) {
compatEc2(option);
if (option.data) {
// Only update when have option data to merge.
var result = this._processFlatCoordsArray(option.data);
this._flatCoords = result.flatCoords;
this._flatCoordsOffset = result.flatCoordsOffset;
if (result.flatCoords) {
option.data = new Float32Array(result.count);
}
}
LinesSeries.superApply(this, 'mergeOption', arguments);
},
appendData: function (params) {
var result = this._processFlatCoordsArray(params.data);
if (result.flatCoords) {
if (!this._flatCoords) {
this._flatCoords = result.flatCoords;
this._flatCoordsOffset = result.flatCoordsOffset;
} else {
this._flatCoords = concatArray(this._flatCoords, result.flatCoords);
this._flatCoordsOffset = concatArray(this._flatCoordsOffset, result.flatCoordsOffset);
}
params.data = new Float32Array(result.count);
}
this.getRawData().appendData(params.data);
},
_getCoordsFromItemModel: function (idx) {
var itemModel = this.getData().getItemModel(idx);
var coords = itemModel.option instanceof Array ? itemModel.option : itemModel.getShallow('coords');
return coords;
},
getLineCoordsCount: function (idx) {
if (this._flatCoordsOffset) {
return this._flatCoordsOffset[idx * 2 + 1];
} else {
return this._getCoordsFromItemModel(idx).length;
}
},
getLineCoords: function (idx, out) {
if (this._flatCoordsOffset) {
var offset = this._flatCoordsOffset[idx * 2];
var len = this._flatCoordsOffset[idx * 2 + 1];
for (var i = 0; i < len; i++) {
out[i] = out[i] || [];
out[i][0] = this._flatCoords[offset + i * 2];
out[i][1] = this._flatCoords[offset + i * 2 + 1];
}
return len;
} else {
var coords = this._getCoordsFromItemModel(idx);
for (var i = 0; i < coords.length; i++) {
out[i] = out[i] || [];
out[i][0] = coords[i][0];
out[i][1] = coords[i][1];
}
return coords.length;
}
},
_processFlatCoordsArray: function (data) {
var startOffset = 0;
if (this._flatCoords) {
startOffset = this._flatCoords.length;
} // Stored as a typed array. In format
// Points Count(2) | x | y | x | y | Points Count(3) | x | y | x | y | x | y |
if (typeof data[0] === 'number') {
var len = data.length; // Store offset and len of each segment
var coordsOffsetAndLenStorage = new Uint32Arr(len);
var coordsStorage = new Float64Arr(len);
var coordsCursor = 0;
var offsetCursor = 0;
var dataCount = 0;
for (var i = 0; i < len;) {
dataCount++;
var count = data[i++]; // Offset
coordsOffsetAndLenStorage[offsetCursor++] = coordsCursor + startOffset; // Len
coordsOffsetAndLenStorage[offsetCursor++] = count;
for (var k = 0; k < count; k++) {
var x = data[i++];
var y = data[i++];
coordsStorage[coordsCursor++] = x;
coordsStorage[coordsCursor++] = y;
if (i > len) {}
}
}
return {
flatCoordsOffset: new Uint32Array(coordsOffsetAndLenStorage.buffer, 0, offsetCursor),
flatCoords: coordsStorage,
count: dataCount
};
}
return {
flatCoordsOffset: null,
flatCoords: null,
count: data.length
};
},
getInitialData: function (option, ecModel) {
var lineData = new List(['value'], this);
lineData.hasItemOption = false;
lineData.initData(option.data, [], function (dataItem, dimName, dataIndex, dimIndex) {
// dataItem is simply coords
if (dataItem instanceof Array) {
return NaN;
} else {
lineData.hasItemOption = true;
var value = dataItem.value;
if (value != null) {
return value instanceof Array ? value[dimIndex] : value;
}
}
});
return lineData;
},
formatTooltip: function (dataIndex) {
var data = this.getData();
var itemModel = data.getItemModel(dataIndex);
var name = itemModel.get('name');
if (name) {
return name;
}
var fromName = itemModel.get('fromName');
var toName = itemModel.get('toName');
var html = [];
fromName != null && html.push(fromName);
toName != null && html.push(toName);
return encodeHTML(html.join(' > '));
},
preventIncremental: function () {
return !!this.get('effect.show');
},
getProgressive: function () {
var progressive = this.option.progressive;
if (progressive == null) {
return this.option.large ? 1e4 : this.get('progressive');
}
return progressive;
},
getProgressiveThreshold: function () {
var progressiveThreshold = this.option.progressiveThreshold;
if (progressiveThreshold == null) {
return this.option.large ? 2e4 : this.get('progressiveThreshold');
}
return progressiveThreshold;
},
defaultOption: {
coordinateSystem: 'geo',
zlevel: 0,
z: 2,
legendHoverLink: true,
hoverAnimation: true,
// Cartesian coordinate system
xAxisIndex: 0,
yAxisIndex: 0,
symbol: ['none', 'none'],
symbolSize: [10, 10],
// Geo coordinate system
geoIndex: 0,
effect: {
show: false,
period: 4,
// Animation delay. support callback
// delay: 0,
// If move with constant speed px/sec
// period will be ignored if this property is > 0,
constantSpeed: 0,
symbol: 'circle',
symbolSize: 3,
loop: true,
// Length of trail, 0 - 1
trailLength: 0.2 // Same with lineStyle.color
// color
},
large: false,
// Available when large is true
largeThreshold: 2000,
// If lines are polyline
// polyline not support curveness, label, animation
polyline: false,
// If clip the overflow.
// Available when coordinateSystem is cartesian or polar.
clip: true,
label: {
show: false,
position: 'end' // distance: 5,
// formatter: 标签文本格式器同Tooltip.formatter不支持异步回调
},
lineStyle: {
opacity: 0.5
}
}
});
var _default = LinesSeries;
module.exports = _default;