mirror of
https://git.sr.ht/~sircmpwn/aerc
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b360cca977
In order to accommodate for that, the headerlayout needed to be rewritten to pass the filter criteria back to the msgviewer, instead of just using the normal headers.
46 lines
1.3 KiB
Go
46 lines
1.3 KiB
Go
package widgets
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import (
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"git.sr.ht/~sircmpwn/aerc/lib/ui"
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"git.sr.ht/~sircmpwn/aerc/models"
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)
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type HeaderLayout [][]string
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type HeaderLayoutFilter struct {
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layout HeaderLayout
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keep func(msg *models.MessageInfo, header string) bool // filter criteria
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}
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// forMessage returns a filtered header layout, removing rows whose headers
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// do not appear in the provided message.
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func (filter HeaderLayoutFilter) forMessage(msg *models.MessageInfo) HeaderLayout {
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result := make(HeaderLayout, 0, len(filter.layout))
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for _, row := range filter.layout {
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// To preserve layout alignment, only hide rows if all columns are empty
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for _, col := range row {
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if filter.keep(msg, col) {
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result = append(result, row)
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break
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}
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}
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}
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return result
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}
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// grid builds a ui grid, populating each cell by calling a callback function
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// with the current header string.
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func (layout HeaderLayout) grid(cb func(string) ui.Drawable) (grid *ui.Grid, height int) {
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rowCount := len(layout) + 1 // extra row for spacer
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grid = ui.MakeGrid(rowCount, 1, ui.SIZE_EXACT, ui.SIZE_WEIGHT)
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for i, cols := range layout {
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r := ui.MakeGrid(1, len(cols), ui.SIZE_EXACT, ui.SIZE_WEIGHT)
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for j, col := range cols {
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r.AddChild(cb(col)).At(0, j)
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}
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grid.AddChild(r).At(i, 0)
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}
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grid.AddChild(ui.NewFill(' ')).At(rowCount-1, 0)
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return grid, rowCount
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}
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