| 1 | module lsp_server_installer_panel_module |
| 2 | use terminal_io_module |
| 3 | use server_detection_module, only: detected_server_t, detect_all_servers, check_server_installed |
| 4 | use server_installer_module, only: run_install_command, install_result_t |
| 5 | implicit none |
| 6 | private |
| 7 | |
| 8 | public :: lsp_server_installer_panel_t |
| 9 | public :: init_lsp_server_installer_panel, cleanup_lsp_server_installer_panel |
| 10 | public :: show_lsp_server_installer_panel, hide_lsp_server_installer_panel |
| 11 | public :: is_lsp_server_installer_panel_visible |
| 12 | public :: lsp_server_installer_panel_handle_key |
| 13 | public :: render_lsp_server_installer_panel |
| 14 | public :: refresh_server_status |
| 15 | |
| 16 | integer, parameter :: PANEL_WIDTH = 62 |
| 17 | integer, parameter :: MAX_VISIBLE = 8 |
| 18 | |
| 19 | type :: lsp_server_installer_panel_t |
| 20 | logical :: visible = .false. |
| 21 | integer :: selected_index = 1 |
| 22 | integer :: scroll_offset = 0 |
| 23 | type(detected_server_t), allocatable :: servers(:) |
| 24 | integer :: num_servers = 0 |
| 25 | logical :: confirm_mode = .false. |
| 26 | integer :: confirm_server_index = 0 |
| 27 | logical :: installing = .false. |
| 28 | character(len=256) :: status_message = '' |
| 29 | end type lsp_server_installer_panel_t |
| 30 | |
| 31 | contains |
| 32 | |
| 33 | subroutine init_lsp_server_installer_panel(panel) |
| 34 | type(lsp_server_installer_panel_t), intent(out) :: panel |
| 35 | |
| 36 | panel%visible = .false. |
| 37 | panel%selected_index = 1 |
| 38 | panel%scroll_offset = 0 |
| 39 | panel%num_servers = 0 |
| 40 | panel%confirm_mode = .false. |
| 41 | panel%confirm_server_index = 0 |
| 42 | panel%installing = .false. |
| 43 | panel%status_message = '' |
| 44 | end subroutine init_lsp_server_installer_panel |
| 45 | |
| 46 | subroutine cleanup_lsp_server_installer_panel(panel) |
| 47 | type(lsp_server_installer_panel_t), intent(inout) :: panel |
| 48 | |
| 49 | if (allocated(panel%servers)) deallocate(panel%servers) |
| 50 | panel%num_servers = 0 |
| 51 | end subroutine cleanup_lsp_server_installer_panel |
| 52 | |
| 53 | subroutine show_lsp_server_installer_panel(panel) |
| 54 | type(lsp_server_installer_panel_t), intent(inout) :: panel |
| 55 | |
| 56 | panel%visible = .true. |
| 57 | panel%selected_index = 1 |
| 58 | panel%scroll_offset = 0 |
| 59 | panel%confirm_mode = .false. |
| 60 | panel%status_message = '' |
| 61 | |
| 62 | ! Detect servers if not already done |
| 63 | if (panel%num_servers == 0) then |
| 64 | call refresh_server_status(panel) |
| 65 | end if |
| 66 | end subroutine show_lsp_server_installer_panel |
| 67 | |
| 68 | subroutine hide_lsp_server_installer_panel(panel) |
| 69 | type(lsp_server_installer_panel_t), intent(inout) :: panel |
| 70 | panel%visible = .false. |
| 71 | panel%confirm_mode = .false. |
| 72 | end subroutine hide_lsp_server_installer_panel |
| 73 | |
| 74 | function is_lsp_server_installer_panel_visible(panel) result(visible) |
| 75 | type(lsp_server_installer_panel_t), intent(in) :: panel |
| 76 | logical :: visible |
| 77 | visible = panel%visible |
| 78 | end function is_lsp_server_installer_panel_visible |
| 79 | |
| 80 | subroutine refresh_server_status(panel) |
| 81 | type(lsp_server_installer_panel_t), intent(inout) :: panel |
| 82 | |
| 83 | if (allocated(panel%servers)) deallocate(panel%servers) |
| 84 | call detect_all_servers(panel%servers, panel%num_servers) |
| 85 | panel%status_message = 'Server status refreshed' |
| 86 | end subroutine refresh_server_status |
| 87 | |
| 88 | function lsp_server_installer_panel_handle_key(panel, key) result(handled) |
| 89 | type(lsp_server_installer_panel_t), intent(inout) :: panel |
| 90 | character(len=*), intent(in) :: key |
| 91 | logical :: handled |
| 92 | type(install_result_t) :: result |
| 93 | |
| 94 | handled = .true. |
| 95 | |
| 96 | ! Handle confirm mode separately |
| 97 | if (panel%confirm_mode) then |
| 98 | select case(trim(key)) |
| 99 | case('y', 'Y') |
| 100 | ! Execute installation |
| 101 | panel%installing = .true. |
| 102 | panel%status_message = 'Installing ' // trim(panel%servers(panel%confirm_server_index)%name) // '...' |
| 103 | |
| 104 | result = run_install_command(trim(panel%servers(panel%confirm_server_index)%install_cmd)) |
| 105 | |
| 106 | panel%installing = .false. |
| 107 | if (result%success) then |
| 108 | panel%status_message = 'Successfully installed ' // trim(panel%servers(panel%confirm_server_index)%name) |
| 109 | ! Refresh to update status |
| 110 | call refresh_server_status(panel) |
| 111 | else |
| 112 | panel%status_message = 'Installation failed. Try manually: ' // & |
| 113 | trim(panel%servers(panel%confirm_server_index)%install_cmd) |
| 114 | end if |
| 115 | panel%confirm_mode = .false. |
| 116 | |
| 117 | case('n', 'N', 'esc', 'escape') |
| 118 | panel%confirm_mode = .false. |
| 119 | panel%status_message = '' |
| 120 | |
| 121 | case default |
| 122 | ! Ignore other keys in confirm mode |
| 123 | end select |
| 124 | return |
| 125 | end if |
| 126 | |
| 127 | ! Normal mode key handling |
| 128 | select case(trim(key)) |
| 129 | case('j', 'down') |
| 130 | if (panel%selected_index < panel%num_servers) then |
| 131 | panel%selected_index = panel%selected_index + 1 |
| 132 | ! Scroll if needed |
| 133 | if (panel%selected_index > panel%scroll_offset + MAX_VISIBLE) then |
| 134 | panel%scroll_offset = panel%selected_index - MAX_VISIBLE |
| 135 | end if |
| 136 | end if |
| 137 | |
| 138 | case('k', 'up') |
| 139 | if (panel%selected_index > 1) then |
| 140 | panel%selected_index = panel%selected_index - 1 |
| 141 | ! Scroll if needed |
| 142 | if (panel%selected_index <= panel%scroll_offset) then |
| 143 | panel%scroll_offset = panel%selected_index - 1 |
| 144 | end if |
| 145 | end if |
| 146 | |
| 147 | case('enter') |
| 148 | ! Only allow install for non-installed servers |
| 149 | if (panel%num_servers > 0 .and. panel%selected_index <= panel%num_servers) then |
| 150 | if (.not. panel%servers(panel%selected_index)%is_installed) then |
| 151 | panel%confirm_mode = .true. |
| 152 | panel%confirm_server_index = panel%selected_index |
| 153 | else |
| 154 | panel%status_message = trim(panel%servers(panel%selected_index)%name) // ' is already installed' |
| 155 | end if |
| 156 | end if |
| 157 | |
| 158 | case('r', 'R') |
| 159 | ! Refresh server status |
| 160 | call refresh_server_status(panel) |
| 161 | |
| 162 | case('esc', 'escape', 'q') |
| 163 | call hide_lsp_server_installer_panel(panel) |
| 164 | |
| 165 | case default |
| 166 | handled = .false. |
| 167 | end select |
| 168 | end function lsp_server_installer_panel_handle_key |
| 169 | |
| 170 | subroutine render_lsp_server_installer_panel(panel, screen_cols) |
| 171 | type(lsp_server_installer_panel_t), intent(in) :: panel |
| 172 | integer, intent(in) :: screen_cols |
| 173 | integer :: start_col, start_row, row, i, visible_end |
| 174 | integer :: content_width, visible_len, status_len, padding |
| 175 | character(len=:), allocatable :: border_top, border_mid, border_bottom |
| 176 | character(len=128) :: visible_text, status_text |
| 177 | character(len=*), parameter :: ESC = char(27) |
| 178 | character(len=*), parameter :: GREEN = ESC // '[32m' |
| 179 | character(len=*), parameter :: RED = ESC // '[31m' |
| 180 | character(len=*), parameter :: CYAN = ESC // '[36m' |
| 181 | character(len=*), parameter :: YELLOW = ESC // '[33m' |
| 182 | character(len=*), parameter :: DIM = ESC // '[90m' |
| 183 | character(len=*), parameter :: INVERSE = ESC // '[7m' |
| 184 | character(len=*), parameter :: RESET = ESC // '[0m' |
| 185 | |
| 186 | if (.not. panel%visible) return |
| 187 | |
| 188 | ! Calculate centering |
| 189 | content_width = min(PANEL_WIDTH, screen_cols - 4) |
| 190 | start_col = max(1, (screen_cols - content_width) / 2) |
| 191 | start_row = 2 |
| 192 | |
| 193 | ! Build borders |
| 194 | border_top = '┌' // repeat('─', content_width - 2) // '┐' |
| 195 | border_mid = '├' // repeat('─', content_width - 2) // '┤' |
| 196 | border_bottom = '└' // repeat('─', content_width - 2) // '┘' |
| 197 | |
| 198 | ! Render confirm dialog if in confirm mode |
| 199 | if (panel%confirm_mode) then |
| 200 | call render_confirm_dialog(panel, screen_cols) |
| 201 | return |
| 202 | end if |
| 203 | |
| 204 | ! Draw top border |
| 205 | call terminal_move_cursor(start_row, start_col) |
| 206 | call terminal_write(border_top) |
| 207 | |
| 208 | ! Draw header |
| 209 | row = start_row + 1 |
| 210 | call terminal_move_cursor(row, start_col) |
| 211 | call terminal_write('│' // CYAN // ' Language Server Manager' // RESET) |
| 212 | call terminal_write(repeat(' ', content_width - 31) // DIM // 'Alt+M' // RESET // ' │') |
| 213 | |
| 214 | ! Draw separator |
| 215 | row = row + 1 |
| 216 | call terminal_move_cursor(row, start_col) |
| 217 | call terminal_write(border_mid) |
| 218 | |
| 219 | ! Draw server list |
| 220 | visible_end = min(panel%scroll_offset + MAX_VISIBLE, panel%num_servers) |
| 221 | do i = panel%scroll_offset + 1, visible_end |
| 222 | row = row + 1 |
| 223 | call terminal_move_cursor(row, start_col) |
| 224 | call terminal_write('│') |
| 225 | |
| 226 | ! Build line content (visible text only for width calculation) |
| 227 | ! Format: " ✓ servername (Language) <spaces> status" |
| 228 | visible_text = ' ✓ ' // trim(panel%servers(i)%name) // ' (' // & |
| 229 | trim(panel%servers(i)%language) // ')' |
| 230 | |
| 231 | ! Calculate visible length (icon + space + name + space + language + parens) |
| 232 | visible_len = len_trim(visible_text) |
| 233 | |
| 234 | ! Add status text length |
| 235 | if (panel%servers(i)%is_installed) then |
| 236 | status_text = 'installed' |
| 237 | status_len = 9 |
| 238 | else |
| 239 | status_text = 'Enter to install' |
| 240 | status_len = 16 |
| 241 | end if |
| 242 | |
| 243 | ! Calculate padding needed (content_width - 2 for borders, minus visible text, minus status) |
| 244 | padding = max(1, content_width - 2 - visible_len - status_len) |
| 245 | |
| 246 | ! Highlight selected row |
| 247 | if (i == panel%selected_index) then |
| 248 | call terminal_write(INVERSE) |
| 249 | end if |
| 250 | |
| 251 | ! Write status icon with color |
| 252 | if (panel%servers(i)%is_installed) then |
| 253 | call terminal_write(' ' // GREEN // '✓' // RESET // ' ') |
| 254 | else |
| 255 | call terminal_write(' ' // RED // '✗' // RESET // ' ') |
| 256 | end if |
| 257 | |
| 258 | ! Write server name and language |
| 259 | call terminal_write(trim(panel%servers(i)%name) // ' (' // & |
| 260 | trim(panel%servers(i)%language) // ')') |
| 261 | |
| 262 | ! Write padding |
| 263 | call terminal_write(repeat(' ', padding)) |
| 264 | |
| 265 | ! Write status text with color |
| 266 | if (panel%servers(i)%is_installed) then |
| 267 | call terminal_write(DIM // trim(status_text) // RESET) |
| 268 | else |
| 269 | call terminal_write(YELLOW // trim(status_text) // RESET) |
| 270 | end if |
| 271 | |
| 272 | ! Reset highlighting |
| 273 | if (i == panel%selected_index) then |
| 274 | call terminal_write(RESET) |
| 275 | end if |
| 276 | |
| 277 | call terminal_write('│') |
| 278 | end do |
| 279 | |
| 280 | ! Fill remaining rows if needed |
| 281 | do i = visible_end + 1, panel%scroll_offset + MAX_VISIBLE |
| 282 | row = row + 1 |
| 283 | call terminal_move_cursor(row, start_col) |
| 284 | call terminal_write('│' // repeat(' ', content_width - 2) // '│') |
| 285 | end do |
| 286 | |
| 287 | ! Draw separator before footer |
| 288 | row = row + 1 |
| 289 | call terminal_move_cursor(row, start_col) |
| 290 | call terminal_write(border_mid) |
| 291 | |
| 292 | ! Draw status message or help |
| 293 | row = row + 1 |
| 294 | call terminal_move_cursor(row, start_col) |
| 295 | if (len_trim(panel%status_message) > 0) then |
| 296 | call terminal_write('│ ' // YELLOW // trim(panel%status_message) // RESET) |
| 297 | call terminal_write(repeat(' ', content_width - len_trim(panel%status_message) - 4) // ' │') |
| 298 | else |
| 299 | call terminal_write('│' // DIM // ' ↑↓ Navigate Enter Install r Refresh Esc Close' // RESET) |
| 300 | call terminal_write(repeat(' ', content_width - 52) // '│') |
| 301 | end if |
| 302 | |
| 303 | ! Draw bottom border |
| 304 | row = row + 1 |
| 305 | call terminal_move_cursor(row, start_col) |
| 306 | call terminal_write(border_bottom) |
| 307 | |
| 308 | ! Hide cursor while panel is shown |
| 309 | call terminal_hide_cursor() |
| 310 | end subroutine render_lsp_server_installer_panel |
| 311 | |
| 312 | subroutine render_confirm_dialog(panel, screen_cols) |
| 313 | type(lsp_server_installer_panel_t), intent(in) :: panel |
| 314 | integer, intent(in) :: screen_cols |
| 315 | integer :: start_col, start_row, row, content_width |
| 316 | character(len=:), allocatable :: border_top, border_bottom |
| 317 | character(len=256) :: server_name, install_cmd |
| 318 | character(len=*), parameter :: ESC = char(27) |
| 319 | character(len=*), parameter :: CYAN = ESC // '[36m' |
| 320 | character(len=*), parameter :: YELLOW = ESC // '[33m' |
| 321 | character(len=*), parameter :: GREEN = ESC // '[32m' |
| 322 | character(len=*), parameter :: RED = ESC // '[31m' |
| 323 | character(len=*), parameter :: RESET = ESC // '[0m' |
| 324 | |
| 325 | content_width = min(PANEL_WIDTH, screen_cols - 4) |
| 326 | start_col = max(1, (screen_cols - content_width) / 2) |
| 327 | start_row = 5 |
| 328 | |
| 329 | border_top = '┌' // repeat('─', content_width - 2) // '┐' |
| 330 | border_bottom = '└' // repeat('─', content_width - 2) // '┘' |
| 331 | |
| 332 | server_name = panel%servers(panel%confirm_server_index)%name |
| 333 | install_cmd = panel%servers(panel%confirm_server_index)%install_cmd |
| 334 | |
| 335 | ! Top border |
| 336 | call terminal_move_cursor(start_row, start_col) |
| 337 | call terminal_write(border_top) |
| 338 | |
| 339 | ! Title |
| 340 | row = start_row + 1 |
| 341 | call terminal_move_cursor(row, start_col) |
| 342 | call terminal_write('│' // CYAN // ' Install ' // trim(server_name) // '?' // RESET) |
| 343 | call terminal_write(repeat(' ', content_width - 12 - len_trim(server_name)) // '│') |
| 344 | |
| 345 | ! Blank line |
| 346 | row = row + 1 |
| 347 | call terminal_move_cursor(row, start_col) |
| 348 | call terminal_write('│' // repeat(' ', content_width - 2) // '│') |
| 349 | |
| 350 | ! Command |
| 351 | row = row + 1 |
| 352 | call terminal_move_cursor(row, start_col) |
| 353 | call terminal_write('│ Command: ' // YELLOW // trim(install_cmd) // RESET) |
| 354 | call terminal_write(repeat(' ', content_width - 12 - len_trim(install_cmd)) // '│') |
| 355 | |
| 356 | ! Blank line |
| 357 | row = row + 1 |
| 358 | call terminal_move_cursor(row, start_col) |
| 359 | call terminal_write('│' // repeat(' ', content_width - 2) // '│') |
| 360 | |
| 361 | ! Yes/No buttons |
| 362 | row = row + 1 |
| 363 | call terminal_move_cursor(row, start_col) |
| 364 | call terminal_write('│' // repeat(' ', (content_width - 20) / 2)) |
| 365 | call terminal_write('[' // GREEN // 'Y' // RESET // ']es ') |
| 366 | call terminal_write('[' // RED // 'N' // RESET // ']o') |
| 367 | call terminal_write(repeat(' ', (content_width - 20) / 2) // '│') |
| 368 | |
| 369 | ! Bottom border |
| 370 | row = row + 1 |
| 371 | call terminal_move_cursor(row, start_col) |
| 372 | call terminal_write(border_bottom) |
| 373 | |
| 374 | call terminal_hide_cursor() |
| 375 | end subroutine render_confirm_dialog |
| 376 | |
| 377 | end module lsp_server_installer_panel_module |
| 378 |