Adds color support
Cleans up code a bit, removes spelling errors. Also updates variable names to better conform to Go standards.
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parent
f63e0cdd3f
commit
93f8e2797b
161
table.go
161
table.go
@ -2,9 +2,27 @@ package termui
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import "strings"
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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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Datapoints are a two dimensional array of strings: [][]string
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Example:
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data := [][]string{
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{"Col0", "Col1", "Col3", "Col4", "Col5", "Col6"},
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{"Some Item #1", "AAA", "123", "CCCCC", "EEEEE", "GGGGG", "IIIII"},
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{"Some Item #2", "BBB", "456", "DDDDD", "FFFFF", "HHHHH", "JJJJJ"},
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}
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table := termui.NewTable()
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table.Rows = rows
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table.Rows = data // type [][]string
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table.FgColor = termui.ColorWhite
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table.BgColor = termui.ColorDefault
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table.Height = 7
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@ -14,6 +32,7 @@ import "strings"
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table.Border = true
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*/
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// Table tracks all the attributes of a Table instance
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type Table struct {
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Block
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Rows [][]string
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@ -22,22 +41,34 @@ type Table struct {
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BgColor Attribute
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FgColors []Attribute
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BgColors []Attribute
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Seperator bool
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Separator bool
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TextAlign Align
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}
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// NewTable returns a new Table instance
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func NewTable() *Table {
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table := &Table{Block: *NewBlock()}
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table.FgColor = ColorWhite
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table.BgColor = ColorDefault
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table.Seperator = true
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table.Separator = true
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return table
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}
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func (table *Table) Analysis() {
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// CellsWidth calculates the width of a cell array and returns an int
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func cellsWidth(cells []Cell) int {
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width := 0
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for _, c := range cells {
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width += c.Width()
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}
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return width
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}
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// Analysis generates and returns an array of []Cell that represent all columns in the Table
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func (table *Table) Analysis() [][]Cell {
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var rowCells [][]Cell
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length := len(table.Rows)
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if length < 1 {
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return
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return rowCells
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}
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if len(table.FgColors) == 0 {
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@ -47,121 +78,101 @@ func (table *Table) Analysis() {
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table.BgColors = make([]Attribute, len(table.Rows))
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}
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row_width := len(table.Rows[0])
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cellWidthes := make([]int, row_width)
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cellWidths := make([]int, len(table.Rows[0]))
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for index, row := range table.Rows {
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for i, str := range row {
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if cellWidthes[i] < len(str) {
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cellWidthes[i] = len(str)
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for y, row := range table.Rows {
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if table.FgColors[y] == 0 {
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table.FgColors[y] = table.FgColor
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}
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if table.BgColors[y] == 0 {
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table.BgColors[y] = table.BgColor
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}
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for x, str := range row {
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cells := DefaultTxBuilder.Build(str, table.FgColors[y], table.BgColors[y])
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cw := cellsWidth(cells)
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if cellWidths[x] < cw {
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cellWidths[x] = cw
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}
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}
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if table.FgColors[index] == 0 {
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table.FgColors[index] = table.FgColor
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}
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if table.BgColors[index] == 0 {
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table.BgColors[index] = table.BgColor
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rowCells = append(rowCells, cells)
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}
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}
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table.CellWidth = cellWidthes
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//width_sum := 2
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//for i, width := range cellWidthes {
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// width_sum += (width + 2)
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// for u, row := range table.Rows {
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// switch table.TextAlign {
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// case "right":
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// row[i] = fmt.Sprintf(" %*s ", width, table.Rows[u][i])
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// case "center":
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// word_width := len(table.Rows[u][i])
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// offset := (width - word_width) / 2
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// row[i] = fmt.Sprintf(" %*s ", width, fmt.Sprintf("%-*s", offset+word_width, table.Rows[u][i]))
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// default: // left
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// row[i] = fmt.Sprintf(" %-*s ", width, table.Rows[u][i])
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// }
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// }
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//}
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//if table.Width == 0 {
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// table.Width = width_sum
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//}
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table.CellWidth = cellWidths
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return rowCells
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}
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// SetSize calculates the table size and sets the internal value
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func (table *Table) SetSize() {
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length := len(table.Rows)
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if table.Seperator {
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if table.Separator {
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table.Height = length*2 + 1
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} else {
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table.Height = length + 2
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}
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table.Width = 2
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if length != 0 {
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for _, cell_width := range table.CellWidth {
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table.Width += cell_width + 3
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for _, cellWidth := range table.CellWidth {
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table.Width += cellWidth + 3
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}
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}
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}
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func (table *Table) CalculatePosition(x int, y int, x_coordinate *int, y_coordibate *int, cell_beginning *int) {
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if table.Seperator {
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*y_coordibate = table.innerArea.Min.Y + y*2
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// CalculatePosition ...
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func (table *Table) CalculatePosition(x int, y int, coordinateX *int, coordinateY *int, cellStart *int) {
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if table.Separator {
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*coordinateY = table.innerArea.Min.Y + y*2
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} else {
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*y_coordibate = table.innerArea.Min.Y + y
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*coordinateY = table.innerArea.Min.Y + y
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}
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if x == 0 {
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*cell_beginning = table.innerArea.Min.X
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*cellStart = table.innerArea.Min.X
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} else {
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*cell_beginning += table.CellWidth[x-1] + 3
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*cellStart += table.CellWidth[x-1] + 3
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}
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switch table.TextAlign {
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case AlignRight:
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*x_coordinate = *cell_beginning + (table.CellWidth[x] - len(table.Rows[y][x])) + 2
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*coordinateX = *cellStart + (table.CellWidth[x] - len(table.Rows[y][x])) + 2
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case AlignCenter:
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*x_coordinate = *cell_beginning + (table.CellWidth[x]-len(table.Rows[y][x]))/2 + 2
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*coordinateX = *cellStart + (table.CellWidth[x]-len(table.Rows[y][x]))/2 + 2
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default:
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*x_coordinate = *cell_beginning + 2
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*coordinateX = *cellStart + 2
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}
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}
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// Buffer ...
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func (table *Table) Buffer() Buffer {
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buffer := table.Block.Buffer()
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table.Analysis()
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pointer_x := table.innerArea.Min.X + 2
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pointer_y := table.innerArea.Min.Y
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border_pointer_x := table.innerArea.Min.X
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rowCells := table.Analysis()
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pointerX := table.innerArea.Min.X + 2
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pointerY := table.innerArea.Min.Y
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borderPointerX := table.innerArea.Min.X
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for y, row := range table.Rows {
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for x, cell := range row {
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table.CalculatePosition(x, y, &pointer_x, &pointer_y, &border_pointer_x)
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backgraound := DefaultTxBuilder.Build(strings.Repeat(" ", table.CellWidth[x]+3), table.BgColors[y], table.BgColors[y])
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cells := DefaultTxBuilder.Build(cell, table.FgColors[y], table.BgColors[y])
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for i, back := range backgraound {
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buffer.Set(border_pointer_x+i, pointer_y, back)
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for x := range row {
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table.CalculatePosition(x, y, &pointerX, &pointerY, &borderPointerX)
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background := DefaultTxBuilder.Build(strings.Repeat(" ", table.CellWidth[x]+3), table.BgColors[y], table.BgColors[y])
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cells := rowCells[y*len(row)+x]
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for i, back := range background {
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buffer.Set(borderPointerX+i, pointerY, back)
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}
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coordinate_x := pointer_x
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coordinateX := pointerX
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for _, printer := range cells {
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buffer.Set(coordinate_x, pointer_y, printer)
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coordinate_x += printer.Width()
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buffer.Set(coordinateX, pointerY, printer)
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coordinateX += printer.Width()
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}
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if x != 0 {
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devidors := DefaultTxBuilder.Build("|", table.FgColors[y], table.BgColors[y])
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for _, devidor := range devidors {
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buffer.Set(border_pointer_x, pointer_y, devidor)
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dividors := DefaultTxBuilder.Build("|", table.FgColors[y], table.BgColors[y])
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for _, dividor := range dividors {
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buffer.Set(borderPointerX, pointerY, dividor)
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}
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}
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}
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if table.Seperator {
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if table.Separator {
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border := DefaultTxBuilder.Build(strings.Repeat("─", table.Width-2), table.FgColor, table.BgColor)
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for i, cell := range border {
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buffer.Set(i+1, pointer_y+1, cell)
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buffer.Set(i+1, pointerY+1, cell)
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}
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}
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}
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