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Added utilities to implement multi-select choices.
Also, survey/v2 library was replaced with bubbletea in the process.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,104 @@ | ||
| // | ||
| // Copyright 2023 Stacklok, Inc. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package cli | ||
|
|
||
| import ( | ||
| "fmt" | ||
|
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| tea "github.com/charmbracelet/bubbletea" | ||
| ) | ||
|
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| type model struct { | ||
| choices []string // available choices | ||
| cursor int // which item our cursor is pointing at | ||
| selected map[int]struct{} // which items are selected | ||
| } | ||
|
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| // MultiSelect implements the necessary logic to implement an | ||
| // interactive multi-select menu for the CLI. | ||
| // | ||
| // Given a list of string as choices, returns those interactively | ||
| // selected by the user. | ||
| func MultiSelect(choices []string) ([]string, error) { | ||
| model := model{ | ||
| choices: choices, | ||
| selected: make(map[int]struct{}), | ||
| } | ||
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| p := tea.NewProgram(model) | ||
| if _, err := p.Run(); err != nil { | ||
| return nil, err | ||
| } | ||
|
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| selection := make([]string, 0, len(model.selected)) | ||
| for i := range model.selected { | ||
| selection = append(selection, model.choices[i]) | ||
| } | ||
|
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| return selection, nil | ||
| } | ||
|
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| func (_ model) Init() tea.Cmd { | ||
| return nil | ||
| } | ||
|
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| //nolint:revive // this seems to me like a false positive | ||
| func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) { | ||
| switch msg := msg.(type) { | ||
| case tea.KeyMsg: | ||
| switch msg.String() { | ||
| case "ctrl+c", "enter", "q": // <C-c>, <enter> and <q> quits | ||
| return m, tea.Quit | ||
| case "up": // <up> and <down> arrows move through selections | ||
| if m.cursor > 0 { | ||
| m.cursor-- | ||
| } | ||
| case "down": // <up> and <down> arrows move through selections | ||
| if m.cursor < len(m.choices)-1 { | ||
| m.cursor++ | ||
| } | ||
| case "space", " ": // <space> selects entries | ||
| _, ok := m.selected[m.cursor] | ||
| if ok { | ||
| delete(m.selected, m.cursor) | ||
| } else { | ||
| m.selected[m.cursor] = struct{}{} | ||
| } | ||
| } | ||
| } | ||
|
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| return m, nil | ||
| } | ||
|
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| func (m model) View() string { | ||
| s := "Select repositories to register with Minder:\n\n" | ||
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| for i, choice := range m.choices { | ||
| cursor := " " | ||
| if m.cursor == i { | ||
| cursor = ">" | ||
| } | ||
|
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| checked := " " | ||
| if _, ok := m.selected[i]; ok { | ||
| checked = "x" | ||
| } | ||
|
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| s += fmt.Sprintf("%s [%s] %s\n", cursor, checked, choice) | ||
| } | ||
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| return s | ||
| } |