53 lines
1.1 KiB
Go
53 lines
1.1 KiB
Go
package clui
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import (
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//"fmt"
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xs "github.com/huandu/xstrings"
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)
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// Truncates text to maxWidth by replacing long
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// substring in the middle with ellipsis and keeping
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// the beginning and ending of the string untouched.
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// If maxWidth is less than 5 then no ellipsis is
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// added, the text is just truncated from the right.
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func Ellipsize(str string, maxWidth int) string {
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ln := xs.Len(str)
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if ln <= maxWidth {
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return str
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}
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if maxWidth < 5 {
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return xs.Slice(str, 0, maxWidth)
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}
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left := int((maxWidth - 3) / 2)
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right := maxWidth - left - 3
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return xs.Slice(str, 0, left) + "..." + xs.Slice(str, ln-right, -1)
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}
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// Make a text no longer than maxWidth
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func CutText(str string, maxWidth int) string {
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ln := xs.Len(str)
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if ln <= maxWidth {
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return str
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}
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return xs.Slice(str, 0, maxWidth)
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}
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func AlignText(str string, width int, align Align) (int, string) {
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length := xs.Len(str)
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if length >= width {
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return 0, CutText(str, width)
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}
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if align == AlignRight {
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return width - length, str
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} else if align == AlignCenter {
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return (width - length) / 2, str
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}
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return 0, str
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}
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