sampler-fork/component/alert.go

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package component
import (
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"fmt"
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ui "github.com/gizak/termui/v3"
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"github.com/sqshq/sampler/console"
"github.com/sqshq/sampler/data"
"image"
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"strings"
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)
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func RenderAlert(alert *data.Alert, area image.Rectangle, buffer *ui.Buffer) {
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if alert == nil {
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return
}
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color := console.ColorWhite
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if alert.Color != nil {
color = *alert.Color
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}
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width := max(len(alert.Title), len(alert.Text)) + 10
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if width > area.Dx() {
width = area.Dx()
}
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cells := ui.WrapCells(ui.ParseStyles(fmt.Sprintf("%s\n%s\n",
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strings.ToUpper(alert.Title), alert.Text), ui.NewStyle(console.ColorWhite)), uint(width))
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var lines []string
line := ""
for i := 0; i < len(cells); i++ {
if cells[i].Rune == '\n' {
lines = append(lines, line)
line = ""
} else {
line += string(cells[i].Rune)
}
}
block := *ui.NewBlock()
block.SetRect(getRectCoordinates(area, width, len(lines)))
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block.BorderStyle = ui.Style{Fg: color, Bg: ui.ColorClear}
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block.Draw(buffer)
buffer.Fill(ui.NewCell(' ', ui.NewStyle(console.ColorBlack)), block.Inner)
for i := 0; i < len(lines); i++ {
buffer.SetString(lines[i],
ui.NewStyle(color), getMiddlePoint(block.Inner, lines[i], i-1))
}
}
//TODO move to utils
func max(a int, b int) int {
if a > b {
return a
} else {
return b
}
}
func getRectCoordinates(area image.Rectangle, width int, height int) (int, int, int, int) {
x1 := area.Min.X + area.Dx()/2 - width/2
y1 := area.Min.Y + area.Dy()/2 - height
return x1, y1, x1 + width, y1 + height + 2
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}