fix: reset marked rows when sorting or filtering is changed

fixes #388

tui/filter.go

@@ -20,6 +20,8 @@ func (ui *UI) showFilterInput() {
 	}
 
 	if ui.filteringInput == nil {
+		ui.markedRows = make(map[int]struct{})
+
 		ui.filteringInput = tview.NewInputField()
 
 		if !ui.UseColors {

tui/filter_test.go

@@ -29,11 +29,17 @@ func TestFiltering(t *testing.T) {
 		f()
 	}
 
+	// mark the item for deletion
+	ui.keyPressed(tcell.NewEventKey(tcell.KeyRune, ' ', 0))
+	assert.Equal(t, 1, len(ui.markedRows))
+
 	ui.showFilterInput()
 	ui.filterValue = ""
 	ui.showDir()
 
 	assert.Contains(t, ui.table.GetCell(0, 0).Text, "ccc") // nothing is filtered
+	// marking should be dropped after sorting
+	assert.Equal(t, 0, len(ui.markedRows))
 
 	ui.filterValue = "aa"
 	ui.showDir()

tui/keys_test.go

@@ -973,6 +973,11 @@ func TestSorting(t *testing.T) {
 
 	assert.Equal(t, "test_dir", ui.currentDir.GetName())
 
+	ui.table.Select(1, 0)
+	// mark the item for deletion
+	ui.keyPressed(tcell.NewEventKey(tcell.KeyRune, ' ', 0))
+	assert.Equal(t, 1, len(ui.markedRows))
+
 	ui.keyPressed(tcell.NewEventKey(tcell.KeyRune, 's', 0))
 	assert.Equal(t, "size", ui.sortBy)
 	ui.keyPressed(tcell.NewEventKey(tcell.KeyRune, 'C', 0))
@@ -981,6 +986,9 @@ func TestSorting(t *testing.T) {
 	assert.Equal(t, "name", ui.sortBy)
 	ui.keyPressed(tcell.NewEventKey(tcell.KeyRune, 'M', 0))
 	assert.Equal(t, "mtime", ui.sortBy)
+
+	// marking should be dropped after sorting
+	assert.Equal(t, 0, len(ui.markedRows))
 }
 
 func TestShowFile(t *testing.T) {

tui/sort.go

@@ -28,6 +28,8 @@ func (ui *UI) SetDefaultSorting(by, order string) {
 }
 
 func (ui *UI) setSorting(newOrder string) {
+	ui.markedRows = make(map[int]struct{})
+
 	if newOrder == ui.sortBy {
 		if ui.sortOrder == ascOrder {
 			ui.sortOrder = descOrder