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| 1 | +// SPDX-License-Identifier: MIT |
| 2 | +/* |
| 3 | + * |
| 4 | + * This file is part of yoshinon, with ABSOLUTELY NO WARRANTY. |
| 5 | + * |
| 6 | + * MIT License |
| 7 | + * |
| 8 | + * Copyright (c) 2023 Moe-hacker |
| 9 | + * |
| 10 | + * Permission is hereby granted, free of charge, to any person obtaining a copy |
| 11 | + * of this software and associated documentation files (the "Software"), to deal |
| 12 | + * in the Software without restriction, including without limitation the rights |
| 13 | + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 14 | + * copies of the Software, and to permit persons to whom the Software is |
| 15 | + * furnished to do so, subject to the following conditions: |
| 16 | + * |
| 17 | + * The above copyright notice and this permission notice shall be included in all |
| 18 | + * copies or substantial portions of the Software. |
| 19 | + * |
| 20 | + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 21 | + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 22 | + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 23 | + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 24 | + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 25 | + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 26 | + * SOFTWARE. |
| 27 | + * |
| 28 | + * |
| 29 | + * |
| 30 | + */ |
| 31 | + |
| 32 | +package checklist |
| 33 | + |
| 34 | +import ( |
| 35 | + "fmt" |
| 36 | + tea "github.com/charmbracelet/bubbletea" |
| 37 | + "golang.org/x/sys/unix" |
| 38 | + "os" |
| 39 | + "syscall" |
| 40 | + . "yoshinon/ui" |
| 41 | + . "yoshinon/help" |
| 42 | +) |
| 43 | + |
| 44 | +var ( |
| 45 | + tags []string |
| 46 | + items []string |
| 47 | + status []int |
| 48 | + width int |
| 49 | + height int |
| 50 | + listheight int |
| 51 | + listwidth int |
| 52 | + message string |
| 53 | + border string |
| 54 | + bgcolor = "\033[1;48;2;100;149;237m" |
| 55 | + cursorcolor = "\033[1;48;2;152;245;225m" |
| 56 | + boxcolor = "\033[1;48;2;254;228;208m\033[1;38;2;0;0;0m" |
| 57 | +) |
| 58 | + |
| 59 | +type Checklist_config struct { |
| 60 | + Tags []string |
| 61 | + Items []string |
| 62 | + Status []int |
| 63 | + Width int |
| 64 | + Height int |
| 65 | + Listheight int |
| 66 | + Message string |
| 67 | + Bgcolor string |
| 68 | + Cursorcolor string |
| 69 | + Boxcolor string |
| 70 | + Border string |
| 71 | +} |
| 72 | +type model struct { |
| 73 | + // Current chosen choice. |
| 74 | + cursor int |
| 75 | + // Curson position on the screen. |
| 76 | + position int |
| 77 | + // For yesno buttons. |
| 78 | + yesno int |
| 79 | +} |
| 80 | + |
| 81 | +func (m model) Init() tea.Cmd { |
| 82 | + // See ui.go |
| 83 | + Draw_borders(bgcolor, boxcolor, border, height, width) |
| 84 | + // Correct the value of listheight. |
| 85 | + if listheight > len(items) { |
| 86 | + listheight = len(items) |
| 87 | + } |
| 88 | + // Set value of listwidth. |
| 89 | + for i := 0; i < len(items); i++ { |
| 90 | + if len(items[i])+len(tags[i])+2 > listwidth { |
| 91 | + listwidth = len(items[i]) + len(tags[i]) + 2 |
| 92 | + } |
| 93 | + } |
| 94 | + return nil |
| 95 | +} |
| 96 | + |
| 97 | +func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) { |
| 98 | + switch msg := msg.(type) { |
| 99 | + case tea.KeyMsg: |
| 100 | + switch msg.String() { |
| 101 | + case "enter": |
| 102 | + return m, tea.Quit |
| 103 | + case "tab": |
| 104 | + if m.yesno < 3 { |
| 105 | + m.yesno++ |
| 106 | + } else { |
| 107 | + m.yesno = 1 |
| 108 | + } |
| 109 | + case "down", "j": |
| 110 | + if m.yesno == 1 { |
| 111 | + if m.cursor < len(items)-1 { |
| 112 | + m.cursor++ |
| 113 | + } |
| 114 | + if m.position < listheight-1 { |
| 115 | + m.position++ |
| 116 | + } |
| 117 | + } else { |
| 118 | + if m.yesno < 3 { |
| 119 | + m.yesno++ |
| 120 | + } else { |
| 121 | + m.yesno = 1 |
| 122 | + } |
| 123 | + } |
| 124 | + case "up", "k": |
| 125 | + if m.yesno == 1 { |
| 126 | + if m.cursor > 0 { |
| 127 | + m.cursor-- |
| 128 | + } |
| 129 | + if m.position > 0 { |
| 130 | + m.position-- |
| 131 | + } |
| 132 | + } else { |
| 133 | + if m.yesno > 1 { |
| 134 | + m.yesno-- |
| 135 | + } else { |
| 136 | + m.yesno = 1 |
| 137 | + } |
| 138 | + } |
| 139 | + case " ": |
| 140 | + if status[m.cursor] == 1 { |
| 141 | + status[m.cursor] = 0 |
| 142 | + } else { |
| 143 | + status[m.cursor] = 1 |
| 144 | + } |
| 145 | + } |
| 146 | + } |
| 147 | + return m, nil |
| 148 | +} |
| 149 | + |
| 150 | +func (m model) View() string { |
| 151 | + fmt.Fprint(os.Stderr, "\033[1H"+bgcolor) |
| 152 | + ws, err := unix.IoctlGetWinsize(syscall.Stderr, unix.TIOCGWINSZ) |
| 153 | + if err != nil { |
| 154 | + panic(err) |
| 155 | + } |
| 156 | + wsrow := int(ws.Row) |
| 157 | + wscol := int(ws.Col) |
| 158 | + control := "" |
| 159 | + row := (wsrow-height)/2 + 3 |
| 160 | + col := ((wscol / 2) - len(message)/2) + 2 |
| 161 | + control = "\033[" + fmt.Sprint(row) + "H" + "\033[" + fmt.Sprint(col) + "G" |
| 162 | + // See ui.go |
| 163 | + Show_message(message, boxcolor, width, height) |
| 164 | + row = ((wsrow / 2) - (listheight / 2)) + 2 |
| 165 | + col = ((wscol / 2) - (listwidth / 2)) + 2 |
| 166 | + for i := m.cursor - m.position; i < m.cursor+(listheight-m.position); i++ { |
| 167 | + control = "\033[" + fmt.Sprint(row) + "H" + "\033[" + fmt.Sprint(col) + "G" |
| 168 | + if m.cursor == i && m.yesno == 1 { |
| 169 | + if status[i] == 1 { |
| 170 | + fmt.Fprintf(os.Stderr, control+cursorcolor+"[x]"+tags[i]+" "+items[i]+"\033[0m"+boxcolor) |
| 171 | + } else { |
| 172 | + fmt.Fprintf(os.Stderr, control+cursorcolor+"[ ]"+tags[i]+" "+items[i]+"\033[0m"+boxcolor) |
| 173 | + } |
| 174 | + } else { |
| 175 | + if status[i] == 1 { |
| 176 | + fmt.Fprintf(os.Stderr, control+boxcolor+"[x]"+tags[i]+" "+items[i]) |
| 177 | + } else { |
| 178 | + fmt.Fprintf(os.Stderr, control+boxcolor+"[ ]"+tags[i]+" "+items[i]) |
| 179 | + } |
| 180 | + } |
| 181 | + for j := 0; j <= listwidth-len(tags[i])-len(items[i])-2; j++ { |
| 182 | + fmt.Fprintf(os.Stderr, " ") |
| 183 | + } |
| 184 | + fmt.Fprintf(os.Stderr, "\033[0m"+bgcolor) |
| 185 | + fmt.Fprintf(os.Stderr, "\n") |
| 186 | + row++ |
| 187 | + } |
| 188 | + row = (wsrow-height)/2 + height |
| 189 | + col = (wscol-width)/2 + 3 |
| 190 | + control = "\033[" + fmt.Sprint(row) + "H" + "\033[" + fmt.Sprint(col) + "G" |
| 191 | + space := "" |
| 192 | + for i := 0; i < ((width/2)-7)*2; i++ { |
| 193 | + space += " " |
| 194 | + } |
| 195 | + if m.yesno == 2 { |
| 196 | + fmt.Fprintf(os.Stderr, cursorcolor+control+"<OK>\033[0m"+boxcolor+space+"<CANCEL>"+"\n") |
| 197 | + } else if m.yesno == 3 { |
| 198 | + fmt.Fprintf(os.Stderr, "\033[0m"+control+boxcolor+"<OK>"+space+cursorcolor+"<CANCEL>"+"\n") |
| 199 | + } else { |
| 200 | + fmt.Fprintf(os.Stderr, control+boxcolor+"<OK>"+space+"<CANCEL>\n") |
| 201 | + } |
| 202 | + return boxcolor |
| 203 | +} |
| 204 | + |
| 205 | +func Checklist(m Checklist_config) string { |
| 206 | + height = m.Height |
| 207 | + width = m.Width |
| 208 | + listheight = m.Listheight |
| 209 | + tags = make([]string, len(m.Tags)) |
| 210 | + for i := 0; i < len(m.Tags); i++ { |
| 211 | + tags[i] = m.Tags[i] |
| 212 | + } |
| 213 | + items = make([]string, len(m.Items)) |
| 214 | + for i := 0; i < len(m.Items); i++ { |
| 215 | + items[i] = m.Items[i] |
| 216 | + } |
| 217 | + status = make([]int, len(m.Status)) |
| 218 | + for i := 0; i < len(m.Items); i++ { |
| 219 | + status[i] = m.Status[i] |
| 220 | + } |
| 221 | + message = m.Message |
| 222 | + if m.Bgcolor != "" { |
| 223 | + bgcolor = m.Bgcolor |
| 224 | + } |
| 225 | + if m.Boxcolor != "" { |
| 226 | + boxcolor = m.Boxcolor |
| 227 | + } |
| 228 | + if m.Cursorcolor != "" { |
| 229 | + cursorcolor = m.Cursorcolor |
| 230 | + } |
| 231 | + if m.Border == "" { |
| 232 | + m.Border = "rounded" |
| 233 | + } |
| 234 | + border = m.Border |
| 235 | + // Check window size. |
| 236 | + ws, err := unix.IoctlGetWinsize(syscall.Stderr, unix.TIOCGWINSZ) |
| 237 | + if err != nil { |
| 238 | + panic(err) |
| 239 | + } |
| 240 | + wsrow := int(ws.Row) |
| 241 | + wscol := int(ws.Col) |
| 242 | + if wsrow < height+4 || wscol < width+4 { |
| 243 | + Error("window size is too small") |
| 244 | + os.Exit(1) |
| 245 | + } |
| 246 | + p := tea.NewProgram(model{yesno: 1}, tea.WithOutput(os.Stderr), tea.WithAltScreen()) |
| 247 | + r, _ := p.Run() |
| 248 | + fmt.Fprint(os.Stderr, "\033[?25h\033c") |
| 249 | + if r.(model).yesno == 3 { |
| 250 | + os.Exit(1) |
| 251 | + } |
| 252 | + ret := "" |
| 253 | + for i := 0; i < len(tags); i++ { |
| 254 | + if status[i] == 1 { |
| 255 | + ret += "\"" + tags[i] + "\"" + " " |
| 256 | + } |
| 257 | + } |
| 258 | + return ret |
| 259 | +} |
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