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annotate src/luan_editor/Window.luan @ 57:f91c336cdde5
for windows
| author | Franklin Schmidt <fschmidt@gmail.com> |
|---|---|
| date | Thu, 29 May 2025 22:29:34 -0600 |
| parents | 6059b4e22d47 |
| 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 Swing = require "luan:swing/Swing.luan" | |
| 44 | 31 local run_later = Swing.run_later or error() |
| 37 | 32 local File_chooser = require "luan:swing/File_chooser.luan" |
| 33 local choose_file = File_chooser.awt_choose_file or error() | |
| 39 | 34 local Option_pane = require "luan:swing/Option_pane.luan" |
| 35 local show_message_dialog = Option_pane.show_message_dialog or error() | |
| 55 | 36 local Clipboard = require "luan:swing/Clipboard.luan" |
| 53 | 37 local Java = require "classpath:luan_editor/Java.luan" |
| 37 | 38 local Logging = require "luan:logging/Logging.luan" |
| 56 | 39 local logger = Logging.logger "editor/Window" |
| 37 | 40 |
| 41 | |
| 56 | 42 local Window = {} |
| 43 | |
| 37 | 44 local n_windows = 0 |
| 45 local documents = {} | |
| 46 | |
| 47 local function bool(val,default) | |
| 48 if val ~= nil then | |
| 49 return val | |
| 50 else | |
| 51 return default | |
| 52 end | |
| 53 end | |
| 54 | |
| 53 | 55 local config_file = Io.uri("file:"..Java.home_dir.."/.luan_editor/config.json") |
| 37 | 56 local config = {} |
| 57 if config_file.exists() then | |
| 58 try | |
| 52 | 59 config = json_parse(config_file.read_text()) |
| 37 | 60 catch e |
| 61 logger.error(e) | |
| 62 end | |
| 63 end | |
| 64 config.size = config.size or { width=700, height=700 } | |
| 65 config.line_wrap = bool( config.line_wrap, true ) | |
| 66 config.whitespace_visible = bool( config.whitespace_visible, false ) | |
| 67 config.tab_size = config.tab_size or 4 | |
| 46 | 68 config.list_window = config.list_window or {} |
| 69 config.list_window.size = config.list_window.size or { width=200, height=400 } | |
| 37 | 70 |
| 71 local function save_config() | |
| 52 | 72 config_file.write_text( json_string(config).."\n" ) |
| 37 | 73 end |
| 74 | |
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75 local list_view = new_list{ |
| 41 | 76 --layout = new_mig_layout("insets 0,wrap,fill") |
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parents:
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77 --layout = new_mig_layout("wrap","[grow]") |
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parents:
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78 horizontal_alignment = "right" |
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parents:
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79 hover_background = int_to_color(0xEEEEEE) |
| 41 | 80 } |
| 81 local list_scroll_pane = new_scroll_pane{ | |
| 82 view = list_view | |
| 83 } | |
| 84 local list_window = new_dialog{ | |
| 46 | 85 size = config.list_window.size |
| 41 | 86 content_pane = list_scroll_pane |
| 43 | 87 focusable_window_state = false |
| 41 | 88 } |
| 46 | 89 list_window.add_resize_stopped_listener( 200, function() |
| 90 --logger.info(stringify(list_window.size)) | |
| 91 config.list_window.size = list_window.size | |
| 92 save_config() | |
| 93 end) | |
| 94 list_window.add_move_stopped_listener( 200, function() | |
| 95 --logger.info(stringify(list_window.location)) | |
| 96 config.list_window.location = list_window.location | |
| 97 save_config() | |
| 98 end) | |
| 56 | 99 function Window.show_list_window() |
| 46 | 100 local location = config.list_window.location |
| 101 if location ~= nil then | |
| 102 list_window.location = location | |
| 103 end | |
| 44 | 104 list_window.visible = true |
| 105 list_scroll_pane.scroll_to_right() | |
| 106 end | |
| 107 | |
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parents:
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diff
changeset
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108 local function add_list_window_item(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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109 list_view.add_element(item) |
| 41 | 110 list_scroll_pane.scroll_to_right() |
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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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111 end |
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list window uses JList
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parents:
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changeset
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112 local function remove_list_window_item(item) |
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f66f704118e3
list window uses JList
Franklin Schmidt <fschmidt@gmail.com>
parents:
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changeset
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113 list_view.remove_element(item) --or error() |
| 41 | 114 end |
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47
f66f704118e3
list window uses JList
Franklin Schmidt <fschmidt@gmail.com>
parents:
46
diff
changeset
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115 list_view.add_list_selection_listener( function(item) |
| 49 | 116 if item ~= nil then |
| 117 item.window.text_area.request_focus() | |
| 118 end | |
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parents:
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diff
changeset
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119 end ) |
| 41 | 120 |
| 44 | 121 local black = int_to_color(0x000000) |
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parents:
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diff
changeset
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122 local dark_blue = int_to_color(0x0000C0) |
| 44 | 123 local grey = int_to_color(0x888888) |
| 124 | |
| 38 | 125 local function new_window(file,document) |
| 37 | 126 local window = {} |
| 39 | 127 if file == nil or not file.exists() then |
| 128 window.has_file = false | |
| 129 elseif file.is_file() then | |
| 130 window.has_file = true | |
| 131 else | |
| 132 show_message_dialog(nil,"Not a file") | |
| 133 if n_windows == 0 then | |
| 134 Luan.exit() | |
| 135 else | |
| 136 return | |
| 137 end | |
| 138 end | |
| 139 window.has_file = file~=nil and file.exists() | |
| 37 | 140 local text_area = new_text_area{ |
| 141 wrap_style_word = true | |
| 142 line_wrap = config.line_wrap | |
| 143 whitespace_visible = config.whitespace_visible | |
| 144 tab_size = config.tab_size | |
| 57 | 145 --font = { family="Monospaced", size=13 } |
| 146 font_changes = { family="Monospaced" } | |
| 37 | 147 } |
| 148 window.text_area = text_area | |
| 149 local title = file and file.canonical().to_string() or "new" | |
| 38 | 150 if document ~= nil then |
| 151 text_area.document = document | |
| 152 elseif file ~= nil then | |
| 37 | 153 local document = documents[title] |
| 39 | 154 if document ~= nil then |
| 37 | 155 text_area.document = document |
| 39 | 156 else |
| 157 documents[title] = text_area.document | |
| 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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47
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:
46
diff
changeset
|
166 window = window |
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f66f704118e3
list window uses JList
Franklin Schmidt <fschmidt@gmail.com>
parents:
46
diff
changeset
|
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) |
| 37 | 202 end) |
| 43 | 203 frame.add_window_focus_listener(function() |
| 56 | 204 list_view.selected_value = list_window_item |
| 43 | 205 end) |
| 37 | 206 frame.add_resize_stopped_listener( 200, function() |
| 207 --logger.info(stringify(frame.size)) | |
| 208 config.size = frame.size | |
| 209 save_config() | |
| 210 end) | |
| 211 frame.add_move_stopped_listener( 200, function() | |
| 212 --logger.info(stringify(frame.location)) | |
| 213 config.location = frame.location | |
| 214 save_config() | |
| 215 end) | |
| 44 | 216 local function undo_listener() |
| 217 local is_unedited = text_area.document.is_unedited() | |
| 218 if window.is_unedited == is_unedited then | |
| 219 return | |
| 220 end | |
| 221 window.is_unedited = is_unedited | |
| 37 | 222 local s = title |
| 44 | 223 if not is_unedited then |
| 37 | 224 s = s.." *" |
| 225 end | |
| 226 frame.title = s | |
| 48 | 227 list_window_item.text = title |
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47
f66f704118e3
list window uses JList
Franklin Schmidt <fschmidt@gmail.com>
parents:
46
diff
changeset
|
228 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
|
229 list_view.repaint(list_window_item) |
| 37 | 230 end |
| 44 | 231 undo_listener() |
| 232 --window.undo_listener = undo_listener -- dont gc | |
| 233 text_area.document.add_undo_listener(undo_listener) | |
| 37 | 234 window.new = new_window |
| 48 | 235 function window.title() |
| 236 return title | |
| 237 end | |
| 37 | 238 function window.open() |
| 239 local new_file = choose_file{ | |
| 240 action = "load" | |
| 241 parent = frame | |
| 242 directory = file and file.parent() | |
| 243 } | |
| 244 if new_file ~= nil then | |
| 245 new_window(new_file) | |
| 246 end | |
| 247 end | |
| 248 function window.save() | |
| 249 if file == nil then | |
| 250 file = choose_file{ | |
| 251 action = "save" | |
| 252 parent = frame | |
| 253 } | |
| 254 if file == nil then | |
| 255 return false | |
| 256 end | |
| 257 title = file.canonical().to_string() | |
| 258 documents[title] = text_area.document | |
| 48 | 259 window.is_unedited = nil |
| 260 undo_listener() | |
| 37 | 261 end |
| 39 | 262 try |
| 263 file.write_text(text_area.text) | |
| 264 catch e | |
| 265 show_message_dialog( frame, e.get_message() ) | |
| 266 return false | |
| 267 end | |
| 37 | 268 text_area.document.set_unedited() |
| 269 return true | |
| 270 end | |
| 271 function window.revert() | |
| 272 local selection = text_area.get_selection() | |
| 273 local text = file.read_text() | |
| 274 text_area.text = text | |
| 275 text_area.set_selection(min(selection,#text+1)) | |
| 276 text_area.document.set_unedited() | |
| 277 status_bar.text = "Reverted" | |
| 278 end | |
| 279 local function selection_lines() | |
| 280 local start_seletion, end_selection = text_area.get_selection() | |
| 281 local end_ = end_selection == start_seletion and end_selection or end_selection - 1 | |
| 282 local start_line = text_area.get_line_from_position(start_seletion) | |
| 283 local end_line = text_area.get_line_from_position(end_) | |
| 284 local start_pos = text_area.get_line_start_position(start_line) | |
| 285 local end_pos = text_area.get_line_end_position(end_line) | |
| 286 local text = text_area.text | |
| 287 text = sub_string(text,start_pos,end_pos-2) | |
| 288 return { | |
| 289 text = text | |
| 290 start_pos = start_pos | |
| 291 length = #text | |
| 292 lines = end_line - start_line + 1 | |
| 293 start_seletion = start_seletion | |
| 294 end_selection = end_selection | |
| 295 } | |
| 296 end | |
| 297 function window.indent() | |
| 298 local r = selection_lines() | |
| 299 local text = r.text | |
| 300 local start_pos = r.start_pos | |
| 301 text = "\t"..replace(text,"\n","\n\t") | |
| 302 text_area.replace(start_pos,r.length,text) | |
| 303 --logger.info(stringify{text_area.get_selection()}) | |
| 304 text_area.set_selection( r.start_seletion+1, r.end_selection+r.lines ) | |
| 305 end | |
| 306 function window.unindent() | |
| 307 local r = selection_lines() | |
| 308 local text = r.text | |
| 309 text = "\n"..text | |
| 310 local start_seletion = r.start_seletion | |
| 311 if starts_with(text,"\n\t") then | |
| 312 start_seletion = start_seletion - 1 | |
| 313 end | |
| 314 local len1 = #text | |
| 315 text = replace(text,"\n\t","\n") | |
| 316 local len2 = #text | |
| 317 local end_selection = r.end_selection - (len1 - len2) | |
| 318 text = sub_string(text,2) | |
| 319 text_area.replace(r.start_pos,r.length,text) | |
| 320 text_area.set_selection(start_seletion,end_selection) | |
| 321 end | |
| 322 function window.cursor_column() | |
| 323 local cursor_pos = text_area.get_selection() | |
| 324 local line = text_area.get_line_from_position(cursor_pos) | |
| 325 local start_line_pos = text_area.get_line_start_position(line) | |
| 326 return cursor_pos - start_line_pos + 1 | |
| 327 end | |
| 328 function window.goto(line) | |
| 329 local pos = text_area.get_line_start_position(line) | |
| 330 text_area.set_selection(pos) | |
| 331 end | |
| 332 function window.set_line_wrap(line_wrap) | |
| 333 text_area.line_wrap = line_wrap | |
| 334 config.line_wrap = line_wrap | |
| 335 save_config() | |
| 336 end | |
| 337 function window.set_whitespace_visible(whitespace_visible) | |
| 338 text_area.whitespace_visible = whitespace_visible | |
| 339 config.whitespace_visible = whitespace_visible | |
| 340 save_config() | |
| 341 end | |
| 342 function window.set_tab_size(tab_size) | |
| 343 text_area.tab_size = tab_size | |
| 344 config.tab_size = tab_size | |
| 345 save_config() | |
| 346 end | |
| 38 | 347 function window.duplicate() |
| 348 local new = new_window(file,text_area.document) | |
| 349 new.text_area.set_selection( text_area.get_selection() ) | |
| 350 end | |
| 55 | 351 function window.paste_files() |
| 352 --logger.info("paste_files "..stringify(Clipboard.get_files())) | |
| 353 local files = Clipboard.get_files() | |
| 354 if files == nil then | |
| 355 return false | |
| 356 end | |
| 357 for _, file in ipairs(files) do | |
| 358 new_window(file) | |
| 359 end | |
| 360 return true | |
| 361 end | |
| 56 | 362 local add_menu_bar = require "classpath:luan_editor/menu.luan" |
| 37 | 363 add_menu_bar(window) |
| 364 frame.pack() | |
| 46 | 365 local location = config.location |
| 366 if location ~= nil then | |
| 367 frame.location = location | |
| 37 | 368 end |
| 369 frame.visible = true | |
| 370 text_area.request_focus_in_window() | |
| 371 n_windows = n_windows + 1 | |
| 38 | 372 return window |
| 37 | 373 end |
| 56 | 374 Window.new_window = new_window |
| 37 | 375 |
| 56 | 376 function Window.open_windows(file_paths) |
| 377 list_window.to_front() | |
| 378 for _, file_path in ipairs(file_paths) do | |
| 379 local file = new_file(file_path) | |
| 380 new_window(file) | |
| 381 end | |
| 382 if #file_paths == 0 then | |
| 383 local window = list_view.selected_value.window | |
| 384 window.frame.to_front() | |
| 385 window.text_area.request_focus_in_window() | |
| 386 end | |
| 387 end | |
| 388 | |
| 389 return Window |