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0
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1 local Luan = require "luan:Luan.luan"
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2 local error = Luan.error
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3
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3 local ipairs = Luan.ipairs or error()
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0
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4 local Io = require "luan:Io.luan"
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5 local print = Io.print or error()
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3
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6 local new_file = Io.schemes.file or error()
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0
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7 local Swing = require "luan:swing/Swing.luan"
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8 local new_frame = require("luan:swing/Frame.luan").new or error()
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9 local new_label = require("luan:swing/Label.luan").new or error()
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10 local new_text_area = require("luan:swing/Text_area.luan").new or error()
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11 local new_scroll_pane = require("luan:swing/Scroll_pane.luan").new or error()
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12 local new_list = require("luan:swing/List.luan").new or error()
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13 local new_menu_bar = require("luan:swing/Menu_bar.luan").new or error()
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14 local new_menu = require("luan:swing/Menu.luan").new or error()
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15 local new_menu_item = require("luan:swing/Menu_item.luan").new or error()
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2
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16 local new_check_box_menu_item = require("luan:swing/Check_box_menu_item.luan").new or error()
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0
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17 local Logging = require "luan:logging/Logging.luan"
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18 local logger = Logging.logger "editor"
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19
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20
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21 local new_window
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22
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1
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23 local function make_menu_bar(window)
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0
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24 local menu_bar = new_menu_bar()
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1
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25 local file_menu = new_menu()
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26 file_menu.text = "File"
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27 local new_file = new_menu_item()
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28 new_file.text = "New File"
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29 new_file.accelerator = "meta N"
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30 new_file.add_action_listener(function()
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31 new_window()
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32 end)
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33 file_menu.add(new_file)
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34 local open = new_menu_item()
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35 open.text = "Open..."
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36 open.accelerator = "meta O"
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37 open.add_action_listener(function()
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38 local file_chooser = window.frame.file_chooser_load()
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39 if window.file ~= nil then
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40 file_chooser.directory = window.file.parent()
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41 end
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42 file_chooser.visible = true
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43 local file = file_chooser.file
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44 if file ~= nil then
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45 new_window(file)
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46 end
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47 end)
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48 file_menu.add(open)
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49 menu_bar.add(file_menu)
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2
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50 local view_menu = new_menu()
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51 view_menu.text = "View"
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52 local word_wrap = new_check_box_menu_item()
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53 word_wrap.text = "Word Wrap"
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54 word_wrap.state = window.text_area.line_wrap
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55 word_wrap.add_action_listener(function()
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56 window.text_area.line_wrap = word_wrap.state
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57 end)
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58 view_menu.add(word_wrap)
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59 menu_bar.add(view_menu)
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0
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60 return menu_bar
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61 end
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62
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63 local n_windows = 0
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64
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1
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65 function new_window(file)
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0
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66 local frame = new_frame()
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3
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67 frame.title = file and file.canonical().to_string() or "untitled"
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0
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68 frame.add_close_listener(function()
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69 n_windows = n_windows - 1
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70 if n_windows == 0 then
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71 Luan.exit()
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72 end
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73 end)
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74 local text_area = new_text_area()
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3
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75 if file ~= nil and file.is_file() then
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1
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76 text_area.text = file.read_text()
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77 end
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0
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78 text_area.rows = 10
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79 text_area.columns = 20
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80 text_area.wrap_style_word = true
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81 text_area.line_wrap = true
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82 text_area.tab_size = 4
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83 text_area.set_font{ family="Monospaced", size=13 }
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1
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84 text_area.select(0,0)
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0
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85 --print(text_area.line_count)
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86 local scroll_pane = new_scroll_pane(text_area)
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87 local list = new_list()
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88 list.add_element("1")
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89 list.add_element("2")
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90 list.add_element("3")
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91 --scroll_pane.set_row_header_view(list)
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92 frame.add(scroll_pane)
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1
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93 local window = {
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94 frame = frame
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95 file = file
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2
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96 text_area = text_area
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1
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97 }
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98 local menu_bar = make_menu_bar(window)
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0
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99 frame.set_menu_bar(menu_bar)
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100 frame.pack()
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101 frame.visible = true
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102 text_area.request_focus_in_window()
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103 n_windows = n_windows + 1
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104 end
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105
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1
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106 Swing.run(function()
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3
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107 local args = Luan.arg
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108 if #args == 0 then
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109 new_window()
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110 else
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111 for _, arg in ipairs(args) do
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112 local file = new_file(arg)
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113 new_window(file)
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114 end
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115 end
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1
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116 end)
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