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annotate src/luan_editor/Window.luan @ 67:2c050fcf2614 default tip
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| author | Franklin Schmidt <fschmidt@gmail.com> |
|---|---|
| date | Fri, 06 Jun 2025 18:59:44 -0600 |
| parents | 1c68552e8ac2 |
| children |
| rev | line source |
|---|---|
| 37 | 1 local Luan = require "luan:Luan.luan" |
| 2 local error = Luan.error | |
| 3 local stringify = Luan.stringify or error() | |
| 55 | 4 local ipairs = Luan.ipairs or error() |
| 52 | 5 local Parsers = require "luan:Parsers.luan" |
| 6 local json_string = Parsers.json_string or error() | |
| 7 local json_parse = Parsers.json_parse or error() | |
| 37 | 8 local Math = require "luan:Math.luan" |
| 9 local min = Math.min or error() | |
| 10 local String = require "luan:String.luan" | |
| 11 local sub_string = String.sub or error() | |
| 12 local replace = String.replace or error() | |
| 13 local starts_with = String.starts_with or error() | |
| 14 local Io = require "luan:Io.luan" | |
| 56 | 15 local new_file = Io.schemes.file or error() |
| 37 | 16 local new_text_area = require("luan:swing/Text_area.luan").new or error() |
| 17 local new_frame = require("luan:swing/Frame.luan").new or error() | |
| 41 | 18 local new_dialog = require("luan:swing/Dialog.luan").new or error() |
| 37 | 19 local new_panel = require("luan:swing/Component.luan").new_panel or error() |
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20 local new_list = require("luan:swing/List.luan").new or error() |
| 37 | 21 local Layout = require "luan:swing/Layout.luan" |
| 22 local new_mig_layout = Layout.new_mig_layout or error() | |
| 23 local new_scroll_pane = require("luan:swing/Scroll_pane.luan").new or error() | |
| 24 local new_text_area_line_numbers = require("luan:swing/Text_area_line_numbers.luan").new or error() | |
| 25 local int_to_color = require("luan:swing/Color.luan").int_to_color or error() | |
| 26 local Border = require "luan:swing/Border.luan" | |
| 27 local create_empty_border = Border.create_empty_border or error() | |
| 28 local new_label = require("luan:swing/Label.luan").new or error() | |
| 29 local make_find_panel = require "classpath:luan_editor/find.luan" | |
| 30 local File_chooser = require "luan:swing/File_chooser.luan" | |
| 31 local choose_file = File_chooser.awt_choose_file or error() | |
| 39 | 32 local Option_pane = require "luan:swing/Option_pane.luan" |
| 33 local show_message_dialog = Option_pane.show_message_dialog or error() | |
| 55 | 34 local Clipboard = require "luan:swing/Clipboard.luan" |
| 53 | 35 local Java = require "classpath:luan_editor/Java.luan" |
| 37 | 36 local Logging = require "luan:logging/Logging.luan" |
| 56 | 37 local logger = Logging.logger "editor/Window" |
| 37 | 38 |
| 39 | |
| 56 | 40 local Window = {} |
| 41 | |
| 37 | 42 local n_windows = 0 |
| 43 local documents = {} | |
| 44 | |
| 45 local function bool(val,default) | |
| 46 if val ~= nil then | |
| 47 return val | |
| 48 else | |
| 49 return default | |
| 50 end | |
| 51 end | |
| 52 | |
| 53 | 53 local config_file = Io.uri("file:"..Java.home_dir.."/.luan_editor/config.json") |
| 37 | 54 local config = {} |
| 55 if config_file.exists() then | |
| 56 try | |
| 52 | 57 config = json_parse(config_file.read_text()) |
| 37 | 58 catch e |
| 59 logger.error(e) | |
| 60 end | |
| 61 end | |
| 62 config.size = config.size or { width=700, height=700 } | |
| 63 config.line_wrap = bool( config.line_wrap, true ) | |
| 64 config.whitespace_visible = bool( config.whitespace_visible, false ) | |
| 65 config.tab_size = config.tab_size or 4 | |
| 46 | 66 config.list_window = config.list_window or {} |
| 67 config.list_window.size = config.list_window.size or { width=200, height=400 } | |
| 37 | 68 |
| 69 local function save_config() | |
| 52 | 70 config_file.write_text( json_string(config).."\n" ) |
| 37 | 71 end |
| 72 | |
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73 local list_view = new_list{ |
| 41 | 74 --layout = new_mig_layout("insets 0,wrap,fill") |
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75 --layout = new_mig_layout("wrap","[grow]") |
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76 horizontal_alignment = "right" |
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77 hover_background = int_to_color(0xEEEEEE) |
| 41 | 78 } |
| 79 local list_scroll_pane = new_scroll_pane{ | |
| 80 view = list_view | |
| 81 } | |
| 82 local list_window = new_dialog{ | |
| 46 | 83 size = config.list_window.size |
| 41 | 84 content_pane = list_scroll_pane |
| 43 | 85 focusable_window_state = false |
| 41 | 86 } |
| 46 | 87 list_window.add_resize_stopped_listener( 200, function() |
| 88 --logger.info(stringify(list_window.size)) | |
| 89 config.list_window.size = list_window.size | |
| 90 save_config() | |
| 91 end) | |
| 92 list_window.add_move_stopped_listener( 200, function() | |
| 93 --logger.info(stringify(list_window.location)) | |
| 94 config.list_window.location = list_window.location | |
| 95 save_config() | |
| 96 end) | |
| 56 | 97 function Window.show_list_window() |
| 46 | 98 local location = config.list_window.location |
| 99 if location ~= nil then | |
| 100 list_window.location = location | |
| 101 end | |
| 44 | 102 list_window.visible = true |
| 103 list_scroll_pane.scroll_to_right() | |
| 104 end | |
| 105 | |
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parents:
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106 local function add_list_window_item(item) |
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107 list_view.add_element(item) |
| 41 | 108 list_scroll_pane.scroll_to_right() |
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parents:
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109 end |
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parents:
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110 local function remove_list_window_item(item) |
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f66f704118e3
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parents:
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111 list_view.remove_element(item) --or error() |
| 41 | 112 end |
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f66f704118e3
list window uses JList
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parents:
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diff
changeset
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113 list_view.add_list_selection_listener( function(item) |
| 49 | 114 if item ~= nil then |
| 115 item.window.text_area.request_focus() | |
| 116 end | |
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parents:
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changeset
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117 end ) |
| 41 | 118 |
| 44 | 119 local black = int_to_color(0x000000) |
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parents:
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changeset
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120 local dark_blue = int_to_color(0x0000C0) |
| 44 | 121 local grey = int_to_color(0x888888) |
| 122 | |
| 38 | 123 local function new_window(file,document) |
| 37 | 124 local window = {} |
| 39 | 125 if file == nil or not file.exists() then |
| 126 window.has_file = false | |
| 127 elseif file.is_file() then | |
| 128 window.has_file = true | |
| 129 else | |
| 130 show_message_dialog(nil,"Not a file") | |
| 131 if n_windows == 0 then | |
| 132 Luan.exit() | |
| 133 else | |
| 134 return | |
| 135 end | |
| 136 end | |
| 137 window.has_file = file~=nil and file.exists() | |
| 37 | 138 local text_area = new_text_area{ |
| 139 wrap_style_word = true | |
| 140 line_wrap = config.line_wrap | |
| 141 whitespace_visible = config.whitespace_visible | |
| 142 tab_size = config.tab_size | |
| 57 | 143 --font = { family="Monospaced", size=13 } |
| 144 font_changes = { family="Monospaced" } | |
| 37 | 145 } |
| 146 window.text_area = text_area | |
| 147 local title = file and file.canonical().to_string() or "new" | |
| 38 | 148 if document ~= nil then |
| 149 text_area.document = document | |
| 150 elseif file ~= nil then | |
| 67 | 151 local document_info = documents[title] |
| 152 if document_info ~= nil then | |
| 153 text_area.document = document_info.document | |
| 154 document_info.count = document_info.count + 1 | |
| 39 | 155 else |
| 67 | 156 document_info = { document = text_area.document, count = 1 } |
| 157 documents[title] = document_info | |
| 39 | 158 if file.exists() then |
| 159 text_area.text = file.read_text() | |
| 160 text_area.document.clear_unedited() | |
| 161 end | |
| 37 | 162 end |
| 163 end | |
| 164 text_area.set_selection(0) | |
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f66f704118e3
list window uses JList
Franklin Schmidt <fschmidt@gmail.com>
parents:
46
diff
changeset
|
165 local list_window_item = { |
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f66f704118e3
list window uses JList
Franklin Schmidt <fschmidt@gmail.com>
parents:
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diff
changeset
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166 window = window |
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f66f704118e3
list window uses JList
Franklin Schmidt <fschmidt@gmail.com>
parents:
46
diff
changeset
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167 } |
|
f66f704118e3
list window uses JList
Franklin Schmidt <fschmidt@gmail.com>
parents:
46
diff
changeset
|
168 add_list_window_item(list_window_item) |
| 37 | 169 local status_bar = new_label{ |
| 170 constraints = "span,growx" | |
| 171 text = " " | |
| 172 border = create_empty_border(2,16,4,16) | |
| 173 } | |
| 174 window.status_bar = status_bar | |
| 175 local find_panel = make_find_panel(window) | |
| 176 local frame = new_frame{ | |
| 177 preferred_size = config.size | |
| 178 content_pane = new_panel{ | |
| 179 layout = new_mig_layout("insets 0,wrap,fill,hidemode 3","","[][grow 0]") | |
| 180 children = { | |
| 181 new_scroll_pane{ | |
| 182 constraints = "grow" | |
| 183 view = text_area | |
| 184 row_header_view = new_text_area_line_numbers{ | |
| 185 text_area = text_area | |
| 44 | 186 foreground_color = grey |
| 37 | 187 border = create_empty_border(0,8,0,8) |
| 188 } | |
| 189 } | |
| 190 find_panel | |
| 191 status_bar | |
| 192 } | |
| 193 } | |
| 194 } | |
| 195 window.frame = frame | |
| 196 frame.add_close_listener(function() | |
| 197 n_windows = n_windows - 1 | |
| 198 if n_windows == 0 then | |
| 199 Luan.exit() | |
| 200 end | |
| 44 | 201 remove_list_window_item(list_window_item) |
| 67 | 202 local document_info = documents[title] or error() |
| 203 document_info.count = document_info.count - 1 | |
| 204 if document_info.count == 0 then | |
| 205 documents[title] = nil | |
| 206 end | |
| 37 | 207 end) |
| 43 | 208 frame.add_window_focus_listener(function() |
| 56 | 209 list_view.selected_value = list_window_item |
| 43 | 210 end) |
| 37 | 211 frame.add_resize_stopped_listener( 200, function() |
| 212 --logger.info(stringify(frame.size)) | |
| 213 config.size = frame.size | |
| 214 save_config() | |
| 215 end) | |
| 216 frame.add_move_stopped_listener( 200, function() | |
| 217 --logger.info(stringify(frame.location)) | |
| 218 config.location = frame.location | |
| 219 save_config() | |
| 220 end) | |
| 44 | 221 local function undo_listener() |
| 222 local is_unedited = text_area.document.is_unedited() | |
| 223 if window.is_unedited == is_unedited then | |
| 224 return | |
| 225 end | |
| 226 window.is_unedited = is_unedited | |
| 37 | 227 local s = title |
| 44 | 228 if not is_unedited then |
| 37 | 229 s = s.." *" |
| 230 end | |
| 231 frame.title = s | |
| 48 | 232 list_window_item.text = title |
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47
f66f704118e3
list window uses JList
Franklin Schmidt <fschmidt@gmail.com>
parents:
46
diff
changeset
|
233 list_window_item.foreground_color = is_unedited and black or dark_blue |
|
f66f704118e3
list window uses JList
Franklin Schmidt <fschmidt@gmail.com>
parents:
46
diff
changeset
|
234 list_view.repaint(list_window_item) |
| 37 | 235 end |
| 44 | 236 undo_listener() |
| 237 --window.undo_listener = undo_listener -- dont gc | |
| 238 text_area.document.add_undo_listener(undo_listener) | |
| 48 | 239 function window.title() |
| 240 return title | |
| 241 end | |
| 37 | 242 function window.open() |
| 243 local new_file = choose_file{ | |
| 244 action = "load" | |
| 245 parent = frame | |
| 246 directory = file and file.parent() | |
| 247 } | |
| 248 if new_file ~= nil then | |
| 249 new_window(new_file) | |
| 250 end | |
| 251 end | |
| 252 function window.save() | |
| 253 if file == nil then | |
| 254 file = choose_file{ | |
| 255 action = "save" | |
| 256 parent = frame | |
| 257 } | |
| 258 if file == nil then | |
| 259 return false | |
| 260 end | |
| 261 title = file.canonical().to_string() | |
| 67 | 262 documents[title] = { document = text_area.document, count = 1 } |
| 48 | 263 window.is_unedited = nil |
| 264 undo_listener() | |
| 37 | 265 end |
| 39 | 266 try |
| 267 file.write_text(text_area.text) | |
| 268 catch e | |
| 269 show_message_dialog( frame, e.get_message() ) | |
| 270 return false | |
| 271 end | |
| 37 | 272 text_area.document.set_unedited() |
| 273 return true | |
| 274 end | |
| 275 function window.revert() | |
| 276 local selection = text_area.get_selection() | |
| 277 local text = file.read_text() | |
| 278 text_area.text = text | |
| 279 text_area.set_selection(min(selection,#text+1)) | |
| 280 text_area.document.set_unedited() | |
| 281 status_bar.text = "Reverted" | |
| 282 end | |
| 283 local function selection_lines() | |
| 284 local start_seletion, end_selection = text_area.get_selection() | |
| 285 local end_ = end_selection == start_seletion and end_selection or end_selection - 1 | |
| 286 local start_line = text_area.get_line_from_position(start_seletion) | |
| 287 local end_line = text_area.get_line_from_position(end_) | |
| 288 local start_pos = text_area.get_line_start_position(start_line) | |
| 289 local end_pos = text_area.get_line_end_position(end_line) | |
| 290 local text = text_area.text | |
| 291 text = sub_string(text,start_pos,end_pos-2) | |
| 292 return { | |
| 293 text = text | |
| 294 start_pos = start_pos | |
| 295 length = #text | |
| 296 lines = end_line - start_line + 1 | |
| 297 start_seletion = start_seletion | |
| 298 end_selection = end_selection | |
| 299 } | |
| 300 end | |
| 301 function window.indent() | |
| 302 local r = selection_lines() | |
| 303 local text = r.text | |
| 304 local start_pos = r.start_pos | |
| 305 text = "\t"..replace(text,"\n","\n\t") | |
| 306 text_area.replace(start_pos,r.length,text) | |
| 307 --logger.info(stringify{text_area.get_selection()}) | |
| 308 text_area.set_selection( r.start_seletion+1, r.end_selection+r.lines ) | |
| 309 end | |
| 310 function window.unindent() | |
| 311 local r = selection_lines() | |
| 312 local text = r.text | |
| 313 text = "\n"..text | |
| 314 local start_seletion = r.start_seletion | |
| 315 if starts_with(text,"\n\t") then | |
| 316 start_seletion = start_seletion - 1 | |
| 317 end | |
| 318 local len1 = #text | |
| 319 text = replace(text,"\n\t","\n") | |
| 320 local len2 = #text | |
| 321 local end_selection = r.end_selection - (len1 - len2) | |
| 322 text = sub_string(text,2) | |
| 323 text_area.replace(r.start_pos,r.length,text) | |
| 324 text_area.set_selection(start_seletion,end_selection) | |
| 325 end | |
| 326 function window.cursor_column() | |
| 327 local cursor_pos = text_area.get_selection() | |
| 328 local line = text_area.get_line_from_position(cursor_pos) | |
| 329 local start_line_pos = text_area.get_line_start_position(line) | |
| 330 return cursor_pos - start_line_pos + 1 | |
| 331 end | |
| 332 function window.goto(line) | |
| 333 local pos = text_area.get_line_start_position(line) | |
| 334 text_area.set_selection(pos) | |
| 335 end | |
| 336 function window.set_line_wrap(line_wrap) | |
| 337 text_area.line_wrap = line_wrap | |
| 338 config.line_wrap = line_wrap | |
| 339 save_config() | |
| 340 end | |
| 341 function window.set_whitespace_visible(whitespace_visible) | |
| 342 text_area.whitespace_visible = whitespace_visible | |
| 343 config.whitespace_visible = whitespace_visible | |
| 344 save_config() | |
| 345 end | |
| 346 function window.set_tab_size(tab_size) | |
| 347 text_area.tab_size = tab_size | |
| 348 config.tab_size = tab_size | |
| 349 save_config() | |
| 350 end | |
| 38 | 351 function window.duplicate() |
| 352 local new = new_window(file,text_area.document) | |
| 353 new.text_area.set_selection( text_area.get_selection() ) | |
| 354 end | |
| 55 | 355 function window.paste_files() |
| 356 --logger.info("paste_files "..stringify(Clipboard.get_files())) | |
| 357 local files = Clipboard.get_files() | |
| 358 if files == nil then | |
| 359 return false | |
| 360 end | |
| 361 for _, file in ipairs(files) do | |
| 362 new_window(file) | |
| 363 end | |
| 364 return true | |
| 365 end | |
| 56 | 366 local add_menu_bar = require "classpath:luan_editor/menu.luan" |
| 37 | 367 add_menu_bar(window) |
| 368 frame.pack() | |
| 46 | 369 local location = config.location |
| 370 if location ~= nil then | |
| 371 frame.location = location | |
| 37 | 372 end |
| 373 frame.visible = true | |
| 374 text_area.request_focus_in_window() | |
| 375 n_windows = n_windows + 1 | |
| 38 | 376 return window |
| 37 | 377 end |
| 56 | 378 Window.new_window = new_window |
| 37 | 379 |
| 56 | 380 function Window.open_windows(file_paths) |
| 381 list_window.to_front() | |
| 382 for _, file_path in ipairs(file_paths) do | |
| 383 local file = new_file(file_path) | |
| 384 new_window(file) | |
| 385 end | |
| 386 if #file_paths == 0 then | |
| 387 local window = list_view.selected_value.window | |
| 388 window.frame.to_front() | |
| 389 window.text_area.request_focus_in_window() | |
| 390 end | |
| 391 end | |
| 392 | |
| 393 return Window |