131 lines
4.3 KiB
Go
131 lines
4.3 KiB
Go
// Copyright 2017 Zack Guo <zack.y.guo@gmail.com>. All rights reserved.
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// Use of this source code is governed by a MIT license that can
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// be found in the LICENSE file.
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package widgets
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import (
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"image"
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. "github.com/gizak/termui"
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)
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/*Table is like:
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┌ Awesome Table ───────────────────────────────────────────────┐
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│ Col0 | Col1 | Col2 | Col3 | Col4 | Col5 | Col6 |
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│──────────────────────────────────────────────────────────────│
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│ Some Item #1 | AAA | 123 | CCCCC | EEEEE | GGGGG | IIIII |
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│──────────────────────────────────────────────────────────────│
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│ Some Item #2 | BBB | 456 | DDDDD | FFFFF | HHHHH | JJJJJ |
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└──────────────────────────────────────────────────────────────┘
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*/
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type Table struct {
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Block
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Rows [][]string
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ColumnWidths []int
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TextStyle Style
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RowSeparator bool
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TextAlign Alignment
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RowStyles map[int]Style
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FillRow bool
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}
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func NewTable() *Table {
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return &Table{
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Block: *NewBlock(),
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TextStyle: Theme.Table.Text,
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RowSeparator: true,
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RowStyles: make(map[int]Style),
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}
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}
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func (self *Table) Draw(buf *Buffer) {
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self.Block.Draw(buf)
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columnWidths := self.ColumnWidths
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if len(columnWidths) == 0 {
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columnCount := len(self.Rows[0])
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colWidth := self.Inner.Dx() / columnCount
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for i := 0; i < columnCount; i++ {
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columnWidths = append(columnWidths, colWidth)
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}
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}
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yCoordinate := self.Inner.Min.Y
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// draw rows
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for i := 0; i < len(self.Rows) && yCoordinate < self.Inner.Max.Y; i++ {
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row := self.Rows[i]
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colXCoordinate := self.Inner.Min.X
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rowStyle := self.TextStyle
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// get the row style if one exists
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if style, ok := self.RowStyles[i]; ok {
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rowStyle = style
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}
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if self.FillRow {
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blankCell := NewCell(' ', rowStyle)
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buf.Fill(blankCell, image.Rect(self.Inner.Min.X, yCoordinate, self.Inner.Max.X, yCoordinate+1))
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}
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// draw row cells
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for j := 0; j < len(row); j++ {
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col := ParseStyles(row[j], rowStyle)
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// draw row cell
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if len(col) > columnWidths[j] || self.TextAlign == AlignLeft {
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for _, cx := range BuildCellWithXArray(col) {
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k, cell := cx.X, cx.Cell
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if k == columnWidths[j] || colXCoordinate+k == self.Inner.Max.X {
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cell.Rune = ELLIPSES
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buf.SetCell(cell, image.Pt(colXCoordinate+k-1, yCoordinate))
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break
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} else {
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buf.SetCell(cell, image.Pt(colXCoordinate+k, yCoordinate))
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}
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}
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} else if self.TextAlign == AlignCenter {
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xCoordinateOffset := (columnWidths[j] - len(col)) / 2
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stringXCoordinate := xCoordinateOffset + colXCoordinate
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for _, cx := range BuildCellWithXArray(col) {
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k, cell := cx.X, cx.Cell
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buf.SetCell(cell, image.Pt(stringXCoordinate+k, yCoordinate))
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}
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} else if self.TextAlign == AlignRight {
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stringXCoordinate := MinInt(colXCoordinate+columnWidths[j], self.Inner.Max.X) - len(col)
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for _, cx := range BuildCellWithXArray(col) {
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k, cell := cx.X, cx.Cell
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buf.SetCell(cell, image.Pt(stringXCoordinate+k, yCoordinate))
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}
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}
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colXCoordinate += columnWidths[j] + 1
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}
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// draw vertical separators
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separatorStyle := self.Block.BorderStyle
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separatorXCoordinate := self.Inner.Min.X
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verticalCell := NewCell(VERTICAL_LINE, separatorStyle)
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for i, width := range columnWidths {
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if self.FillRow && i < len(columnWidths)-1 {
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verticalCell.Style.Bg = rowStyle.Bg
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} else {
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verticalCell.Style.Bg = self.Block.BorderStyle.Bg
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}
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separatorXCoordinate += width
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buf.SetCell(verticalCell, image.Pt(separatorXCoordinate, yCoordinate))
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separatorXCoordinate++
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}
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yCoordinate++
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// draw horizontal separator
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horizontalCell := NewCell(HORIZONTAL_LINE, separatorStyle)
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if self.RowSeparator && yCoordinate < self.Inner.Max.Y && i != len(self.Rows)-1 {
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buf.Fill(horizontalCell, image.Rect(self.Inner.Min.X, yCoordinate, self.Inner.Max.X, yCoordinate+1))
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yCoordinate++
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}
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}
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}
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