112 lines
3 KiB
Go
112 lines
3 KiB
Go
// MIT License
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// Copyright (c) 2021 Tree Xie
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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package charts
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import (
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"github.com/wcharczuk/go-chart/v2"
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)
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type SeriesData struct {
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Value float64
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Style chart.Style
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}
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type Series struct {
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Type string
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Name string
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Data []SeriesData
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XValues []float64
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}
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const lineStrokeWidth = 2
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const dotWith = 2
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const (
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SeriesBar = "bar"
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SeriesLine = "line"
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SeriesPie = "pie"
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)
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func GetSeries(series []Series, tickPosition chart.TickPosition, theme string) []chart.Series {
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arr := make([]chart.Series, len(series))
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barCount := 0
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barIndex := 0
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for _, item := range series {
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if item.Type == SeriesBar {
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barCount++
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}
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}
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for index, item := range series {
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style := chart.Style{
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StrokeWidth: lineStrokeWidth,
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StrokeColor: getSeriesColor(theme, index),
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// FillColor: getSeriesColor(theme, index),
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// TODO 调整为通过dot with color 生成
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DotColor: getSeriesColor(theme, index),
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DotWidth: dotWith,
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}
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// 如果居中，需要多增加一个点
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if tickPosition == chart.TickPositionBetweenTicks {
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item.Data = append([]SeriesData{
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{
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Value: 0.0,
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},
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}, item.Data...)
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}
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yValues := make([]float64, len(item.Data))
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barCustomStyles := make([]BarSeriesCustomStyle, 0)
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for i, item := range item.Data {
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yValues[i] = item.Value
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if !item.Style.IsZero() {
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barCustomStyles = append(barCustomStyles, BarSeriesCustomStyle{
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PointIndex: i,
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Index: barIndex,
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Style: item.Style,
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})
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}
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}
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baseSeries := BaseSeries{
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Name: item.Name,
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XValues: item.XValues,
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Style: style,
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YValues: yValues,
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TickPosition: tickPosition,
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}
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// TODO 判断类型
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switch item.Type {
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case SeriesBar:
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arr[index] = BarSeries{
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Count: barCount,
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Index: barIndex,
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BaseSeries: baseSeries,
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CustomStyles: barCustomStyles,
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}
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barIndex++
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default:
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arr[index] = LineSeries{
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BaseSeries: baseSeries,
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}
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}
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}
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return arr
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}
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