termui/table.go
2016-11-10 18:55:42 +08:00

102 lines
2.1 KiB
Go

package termui
import (
"fmt"
"strings"
)
/*
table := termui.NewTable()
table.Rows = rows
table.FgColor = termui.ColorWhite
table.BgColor = termui.ColorDefault
table.Height = 7
table.Width = 62
table.Y = 0
table.X = 0
table.Border = true
*/
type Table struct {
Block
Rows [][]string
FgColor Attribute
BgColor Attribute
TextAlign string
}
func NewTable() *Table {
table := &Table{Block: *NewBlock()}
table.FgColor = ColorWhite
table.BgColor = ColorDefault
table.TextAlign = "left"
return table
}
func (table *Table) Analysis() {
length := len(table.Rows)
if length < 1 {
return
}
row_width := len(table.Rows[0])
cellWidthes := make([]int, row_width)
for _, row := range table.Rows {
for i, str := range row {
if cellWidthes[i] < len(str) {
cellWidthes[i] = len(str)
}
}
}
width_sum := 2
for i, width := range cellWidthes {
width_sum += (width + 2)
for u, row := range table.Rows {
switch table.TextAlign {
case "right":
row[i] = fmt.Sprintf(" %*s ", width, table.Rows[u][i])
case "center":
word_width := len(table.Rows[u][i])
offset := (width - word_width) / 2
row[i] = fmt.Sprintf(" %*s ", width, fmt.Sprintf("%-*s", offset+word_width, table.Rows[u][i]))
default: // left
row[i] = fmt.Sprintf(" %-*s ", width, table.Rows[u][i])
}
}
}
if table.Width == 0 {
table.Width = width_sum
}
}
func (table *Table) SetSize() {
length := len(table.Rows)
table.Height = length*2 + 1
table.Width = 2
if length != 0 {
for _, str := range table.Rows[0] {
table.Width += len(str) + 2 + 1
}
}
}
func (table *Table) Buffer() Buffer {
buffer := table.Block.Buffer()
table.Analysis()
for i, row := range table.Rows {
cells := DefaultTxBuilder.Build(strings.Join(row, "|"), table.FgColor, table.BgColor)
border := DefaultTxBuilder.Build(strings.Repeat("─", table.Width-2), table.FgColor, table.BgColor)
for x, cell := range cells {
buffer.Set(table.innerArea.Min.X+x, table.innerArea.Min.Y+i*2, cell)
}
for x, cell := range border {
buffer.Set(table.innerArea.Min.X+x, table.innerArea.Min.Y+i*2+1, cell)
}
}
return buffer
}