87 lines
2.0 KiB
Go
87 lines
2.0 KiB
Go
package action
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import tea "github.com/charmbracelet/bubbletea"
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// DeleteChar implements Action (x)
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type DeleteChar struct {
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Count int
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}
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// DeleteChar.Execute: Deletes Count characters at the cursor position (x key).
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func (a DeleteChar) Execute(m Model) tea.Cmd {
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win := m.ActiveWindow()
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buf := m.ActiveBuffer()
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pos := win.Cursor.Col
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line := buf.Lines[win.Cursor.Line]
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for i := 0; i < a.Count && pos < len(line); i++ {
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line = line[:pos] + line[pos+1:]
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buf.SetLine(win.Cursor.Line, line)
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}
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return nil
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}
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// DeleteChar.WithCount: Returns a new DeleteChar with the given count.
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func (a DeleteChar) WithCount(n int) Action {
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return DeleteChar{Count: n}
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}
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// DeleteToEndOfLine implements Action (D) - deletes from cursor to end of line
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// and optionally Count-1 additional lines below.
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type DeleteToEndOfLine struct {
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Count int
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}
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// DeleteToEndOfLine.Execute: Deletes from cursor to end of line and Count-1 lines below (D key).
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func (a DeleteToEndOfLine) Execute(m Model) tea.Cmd {
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win := m.ActiveWindow()
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buf := m.ActiveBuffer()
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// Delete to end of line
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pos := win.Cursor.Col
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line := buf.Lines[win.Cursor.Line]
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buf.SetLine(win.Cursor.Line, line[:pos])
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win.SetCursorCol(pos - 1)
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// If count is greater, than we will delete the next N - 1 lines below
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initY := win.Cursor.Line
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if a.Count > 1 {
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// Copied from `internal/operator/delete.go`
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opCount := min(a.Count-1, buf.LineCount()-win.Cursor.Line)
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// Down one
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win.SetCursorLine(initY + 1)
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for range opCount {
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y := win.Cursor.Line // Changed from the copied code
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// Stop if were on the starting line
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if y == initY {
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break
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}
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buf.DeleteLine(y)
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if buf.LineCount() == 0 {
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buf.InsertLine(0, "")
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}
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if y >= buf.LineCount() {
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y = buf.LineCount() - 1
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}
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win.SetCursorLine(y)
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}
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}
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win.SetCursorLine(initY)
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return nil
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}
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// DeleteToEndOfLine.WithCount: Returns a new DeleteToEndOfLine with the given count.
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func (a DeleteToEndOfLine) WithCount(n int) Action {
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return DeleteToEndOfLine{Count: n}
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}
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