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69 lines
1.3 KiB
Go
69 lines
1.3 KiB
Go
package table
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// Row row
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type Row struct {
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table *Table
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values []interface{}
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strValues []string
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}
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// Rows rows
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type Rows []*Row
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// Len count
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func (r Rows) Len() int {
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return len(r)
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}
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// Swap swap rows
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func (r Rows) Swap(i, j int) {
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r[i], r[j] = r[j], r[i]
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}
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// Less less
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func (r Rows) Less(i, j int) bool {
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sortOrder := r[i].table.sort
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var k int
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for k = 0; k < len(sortOrder)-1; k++ {
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s := sortOrder[k]
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if s.order == SortDesc {
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if gt(r[i].values[s.index], r[j].values[s.index], s.sortFn) {
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return true
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}
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if gt(r[j].values[s.index], r[i].values[s.index], s.sortFn) {
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return false
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}
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} else {
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if lt(r[i].values[s.index], r[j].values[s.index], s.sortFn) {
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return true
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}
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if lt(r[j].values[s.index], r[i].values[s.index], s.sortFn) {
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return false
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}
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}
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}
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s := sortOrder[k]
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if s.order == SortDesc {
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return gt(r[i].values[s.index], r[j].values[s.index], s.sortFn)
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}
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return lt(r[i].values[s.index], r[j].values[s.index], s.sortFn)
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}
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func gt(a interface{}, b interface{}, fn SortFn) bool {
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return lt(b, a, fn)
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}
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func lt(a interface{}, b interface{}, fn SortFn) bool {
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if fn != nil {
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return fn(a, b)
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}
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switch a.(type) {
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case int:
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return a.(int) < b.(int)
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case string:
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return a.(string) < b.(string)
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}
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return false
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}
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