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refactor: move showFile to separate file
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| package tui | ||
|
|
||
| import ( | ||
| "bufio" | ||
| "os" | ||
| "strings" | ||
|
|
||
| "github.com/gdamore/tcell/v2" | ||
| "github.com/rivo/tview" | ||
|
|
||
| "github.com/dundee/gdu/v5/build" | ||
| "github.com/dundee/gdu/v5/pkg/fs" | ||
| ) | ||
|
|
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| func (ui *UI) showFile() *tview.TextView { | ||
| if ui.currentDir == nil { | ||
| return nil | ||
| } | ||
|
|
||
| row, column := ui.table.GetSelection() | ||
| selectedFile := ui.table.GetCell(row, column).GetReference().(fs.Item) | ||
| if selectedFile.IsDir() { | ||
| return nil | ||
| } | ||
|
|
||
| f, err := os.Open(selectedFile.GetPath()) | ||
| if err != nil { | ||
| ui.showErr("Error opening file", err) | ||
| return nil | ||
| } | ||
|
|
||
| totalLines := 0 | ||
| scanner := bufio.NewScanner(f) | ||
|
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| file := tview.NewTextView() | ||
| ui.currentDirLabel.SetText("[::b] --- " + | ||
| strings.TrimPrefix(selectedFile.GetPath(), build.RootPathPrefix) + | ||
| " ---").SetDynamicColors(true) | ||
|
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||
| readNextPart := func(linesCount int) int { | ||
| var err error | ||
| readLines := 0 | ||
| for scanner.Scan() && readLines <= linesCount { | ||
| _, err = file.Write(scanner.Bytes()) | ||
| if err != nil { | ||
| ui.showErr("Error reading file", err) | ||
| return 0 | ||
| } | ||
| _, err = file.Write([]byte("\n")) | ||
| if err != nil { | ||
| ui.showErr("Error reading file", err) | ||
| return 0 | ||
| } | ||
| readLines++ | ||
| } | ||
| return readLines | ||
| } | ||
| totalLines += readNextPart(defaultLinesCount) | ||
|
|
||
| file.SetInputCapture(func(event *tcell.EventKey) *tcell.EventKey { | ||
| if event.Rune() == 'q' || event.Key() == tcell.KeyESC { | ||
| err = f.Close() | ||
| if err != nil { | ||
| ui.showErr("Error closing file", err) | ||
| return event | ||
| } | ||
| ui.currentDirLabel.SetText("[::b] --- " + | ||
| strings.TrimPrefix(ui.currentDirPath, build.RootPathPrefix) + | ||
| " ---").SetDynamicColors(true) | ||
| ui.pages.RemovePage("file") | ||
| ui.app.SetFocus(ui.table) | ||
| return event | ||
| } | ||
|
|
||
| if event.Rune() == 'j' || event.Rune() == 'G' || | ||
| event.Key() == tcell.KeyDown || event.Key() == tcell.KeyPgDn { | ||
| _, _, _, height := file.GetInnerRect() | ||
| row, _ := file.GetScrollOffset() | ||
| if height+row > totalLines-linesTreshold { | ||
| totalLines += readNextPart(defaultLinesCount) | ||
| } | ||
| } | ||
| return event | ||
| }) | ||
|
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||
| grid := tview.NewGrid().SetRows(1, 1, 0, 1).SetColumns(0) | ||
| grid.AddItem(ui.header, 0, 0, 1, 1, 0, 0, false). | ||
| AddItem(ui.currentDirLabel, 1, 0, 1, 1, 0, 0, false). | ||
| AddItem(file, 2, 0, 1, 1, 0, 0, true). | ||
| AddItem(ui.footerLabel, 3, 0, 1, 1, 0, 0, false) | ||
|
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||
| ui.pages.HidePage("background") | ||
| ui.pages.AddPage("file", grid, true, true) | ||
|
|
||
| return file | ||
| } |