refactor: reset
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7e80e9a848
commit
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50 changed files with 55 additions and 10282 deletions
145
table.go
145
table.go
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// MIT License
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// Copyright (c) 2022 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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"errors"
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"github.com/wcharczuk/go-chart/v2"
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)
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type TableOption struct {
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// draw
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Draw *Draw
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// The width of table
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Width int
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// The header of table
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Header []string
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// The style of table
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Style chart.Style
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ColumnWidths []float64
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// 是否仅测量高度
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measurement bool
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}
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var ErrTableColumnWidthInvalid = errors.New("table column width is invalid")
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func tableDivideWidth(width, size int, columnWidths []float64) ([]int, error) {
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widths := make([]int, size)
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autoFillCount := size
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restWidth := width
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if len(columnWidths) != 0 {
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for index, v := range columnWidths {
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if v <= 0 {
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continue
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}
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autoFillCount--
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// 小于1的表示占比
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if v < 1 {
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widths[index] = int(v * float64(width))
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} else {
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widths[index] = int(v)
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}
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restWidth -= widths[index]
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}
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}
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if restWidth < 0 {
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return nil, ErrTableColumnWidthInvalid
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}
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// 填充其它未指定的宽度
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if autoFillCount > 0 {
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autoWidth := restWidth / autoFillCount
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for index, v := range widths {
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if v == 0 {
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widths[index] = autoWidth
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}
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}
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}
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widthSum := 0
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for _, v := range widths {
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widthSum += v
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}
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if widthSum > width {
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return nil, ErrTableColumnWidthInvalid
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}
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return widths, nil
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}
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func TableMeasure(opt TableOption) (chart.Box, error) {
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d, err := NewDraw(DrawOption{
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Width: opt.Width,
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Height: 600,
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})
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if err != nil {
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return chart.BoxZero, err
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}
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opt.Draw = d
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opt.measurement = true
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return tableRender(opt)
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}
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func tableRender(opt TableOption) (chart.Box, error) {
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if opt.Draw == nil {
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return chart.BoxZero, errors.New("draw can not be nil")
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}
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if len(opt.Header) == 0 {
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return chart.BoxZero, errors.New("header can not be nil")
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}
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width := opt.Width
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if width == 0 {
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width = opt.Draw.Box.Width()
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}
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columnWidths, err := tableDivideWidth(width, len(opt.Header), opt.ColumnWidths)
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if err != nil {
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return chart.BoxZero, err
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}
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d := opt.Draw
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style := opt.Style
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y := 0
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x := 0
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headerMaxHeight := 0
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for index, text := range opt.Header {
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var box chart.Box
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w := columnWidths[index]
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y0 := y + int(opt.Style.FontSize)
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if opt.measurement {
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box = d.measureTextFit(text, x, y0, w, style)
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} else {
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box = d.textFit(text, x, y0, w, style)
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}
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if box.Height() > headerMaxHeight {
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headerMaxHeight = box.Height()
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}
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x += w
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}
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y += headerMaxHeight
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return chart.Box{
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Right: width,
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Bottom: y,
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}, nil
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}
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