100 lines
1.5 KiB
Go
100 lines
1.5 KiB
Go
package tg
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type PanelPage struct {
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Next, Prev bool
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Rows []ButtonRow
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}
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type PanelPageFunc func(
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c Context, page, size int,
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) PanelPage
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type PagedPanelCompo struct {
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PanelCompo
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page int
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size int
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nextFormat, prevFormat, delFormat string
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fn PanelPageFunc
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}
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func (compo *MessageCompo) PagedPanel(
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c Context,
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startPage, size int,
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fn PanelPageFunc,
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) (*PagedPanelCompo) {
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ret := &PagedPanelCompo{}
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ret.page = startPage
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ret.size = size
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ret.fn = fn
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ret.prevFormat = "<<<"
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ret.nextFormat = ">>>"
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ret.delFormat = "..."
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ret.PanelCompo = (*compo.Panel(
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c, ret,
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))
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return ret
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}
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func (panel *PagedPanelCompo) MakeRows(
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c Context,
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) []ButtonRow {
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page := panel.fn(
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c, panel.page, panel.size,
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)
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controlRow := ButtonRow{}
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rows := page.Rows
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next := func(c Context){
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panel.page++
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panel.Update(c)
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}
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prev := func(c Context){
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panel.page--
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panel.Update(c)
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}
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if page.Prev {
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if panel.delFormat != "" {
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rows = append(
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[]ButtonRow{
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ButtonRow{
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Buttonf(panel.delFormat).Rand().
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WithAction(Func(prev)),
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},
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},
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rows...,
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)
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}
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controlRow = append(
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controlRow,
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Buttonf(panel.prevFormat).Rand().
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WithAction(Func(prev)),
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)
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}
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if page.Next {
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if panel.delFormat != "" {
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rows = append(
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rows,
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ButtonRow{
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Buttonf(panel.delFormat).Rand().
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WithAction(Func(next)),
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},
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)
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}
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controlRow = append(
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controlRow,
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Buttonf(panel.nextFormat).Rand().
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WithAction(Func(next)),
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)
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}
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return append(
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rows,
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controlRow,
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)
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}
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