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line source |
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bsw@2
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1 local old_draft_id = param.get("old_draft_id", atom.integer)
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bsw@2
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2 local new_draft_id = param.get("new_draft_id", atom.integer)
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bsw@2
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3
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bsw@10
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4 if not old_draft_id or not new_draft_id then
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bsw@10
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5 slot.put( _"Please choose two versions of the draft to compare")
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bsw@10
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6 return
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bsw@10
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7 end
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bsw@10
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8
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bsw@10
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9 if old_draft_id == new_draft_id then
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bsw@10
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10 slot.put( _"Please choose two different versions of the draft to compare")
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bsw@10
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11 return
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bsw@10
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12 end
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bsw@10
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13
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bsw@2
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14 if old_draft_id > new_draft_id then
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bsw@2
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15 local tmp = old_draft_id
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bsw@2
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16 old_draft_id = new_draft_id
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bsw@2
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17 new_draft_id = tmp
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bsw@2
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18 end
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bsw@2
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19
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bsw@2
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20 local old_draft = Draft:by_id(old_draft_id)
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bsw@2
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21 local new_draft = Draft:by_id(new_draft_id)
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bsw@2
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22
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poelzi@160
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23 execute.view{
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poelzi@160
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24 module = "draft",
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poelzi@160
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25 view = "_head",
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poelzi@160
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26 params = { draft = new_draft}
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poelzi@160
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27 }
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poelzi@159
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28
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poelzi@160
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29 slot.put_into("title", " · " .. _"Diff")
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poelzi@159
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30
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poelzi@159
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31 if app.session.member_id and not new_draft.initiative.revoked then
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poelzi@159
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32 local supporter = Supporter:new_selector():add_where{"member_id = ?", app.session.member_id}:count()
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poelzi@159
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33 if supporter then
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poelzi@159
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34 ui.container{
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poelzi@159
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35 attr = { class = "draft_updated_info" },
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poelzi@159
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36 content = function()
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poelzi@159
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37 slot.put(_"The draft of this initiative has been updated!")
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poelzi@159
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38 slot.put(" ")
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poelzi@159
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39 ui.link{
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poelzi@159
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40 text = _"Refresh support to current draft",
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poelzi@159
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41 module = "initiative",
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poelzi@159
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42 action = "add_support",
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poelzi@159
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43 id = new_draft.initiative.id,
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poelzi@159
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44 routing = {
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poelzi@159
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45 default = {
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poelzi@159
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46 mode = "redirect",
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poelzi@159
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47 module = "initiative",
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poelzi@159
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48 view = "show",
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poelzi@159
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49 id = new_draft.initiative.id
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poelzi@159
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50 }
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poelzi@159
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51 }
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poelzi@159
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52 }
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poelzi@159
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53 end
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poelzi@159
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54 }
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poelzi@159
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55 end
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poelzi@159
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56 end
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poelzi@159
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57
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bsw@95
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58 local old_draft_content = string.gsub(string.gsub(old_draft.content, "\n", " ###ENTER###\n"), " ", "\n")
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bsw@95
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59 local new_draft_content = string.gsub(string.gsub(new_draft.content, "\n", " ###ENTER###\n"), " ", "\n")
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bsw@95
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60
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bsw@2
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61 local key = multirand.string(26, "123456789bcdfghjklmnpqrstvwxyz");
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bsw@2
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62
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bsw@2
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63 local old_draft_filename = encode.file_path(request.get_app_basepath(), 'tmp', "diff-" .. key .. "-old.tmp")
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bsw@2
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64 local new_draft_filename = encode.file_path(request.get_app_basepath(), 'tmp', "diff-" .. key .. "-new.tmp")
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bsw@2
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65
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bsw@2
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66 local old_draft_file = assert(io.open(old_draft_filename, "w"))
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bsw@95
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67 old_draft_file:write(old_draft_content)
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bsw@2
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68 old_draft_file:write("\n")
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bsw@2
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69 old_draft_file:close()
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bsw@2
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70
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bsw@2
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71 local new_draft_file = assert(io.open(new_draft_filename, "w"))
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bsw@95
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72 new_draft_file:write(new_draft_content)
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bsw@2
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73 new_draft_file:write("\n")
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bsw@2
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74 new_draft_file:close()
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bsw@2
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75
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bsw@95
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76 local output, err, status = os.pfilter(nil, "sh", "-c", "diff -U 1000000000 '" .. old_draft_filename .. "' '" .. new_draft_filename .. "' | grep -v ^--- | grep -v ^+++ | grep -v ^@")
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bsw@2
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77
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bsw@2
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78 os.remove(old_draft_filename)
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bsw@2
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79 os.remove(new_draft_filename)
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bsw@2
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80
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bsw@95
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81 local last_state = "first_run"
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bsw@95
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82
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bsw@95
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83 local function process_line(line)
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bsw@95
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84 local state_char = string.sub(line, 1, 1)
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bsw@95
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85 local state
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bsw@95
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86 if state_char == "+" then
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bsw@95
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87 state = "added"
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bsw@95
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88 elseif state_char == "-" then
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bsw@95
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89 state = "removed"
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bsw@95
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90 elseif state_char == " " then
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bsw@95
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91 state = "unchanged"
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bsw@95
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92 end
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bsw@95
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93 local state_changed = false
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bsw@95
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94 if state ~= last_state then
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bsw@95
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95 if last_state ~= "first_run" then
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bsw@95
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96 slot.put("</span> ")
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bsw@95
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97 end
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bsw@95
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98 last_state = state
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bsw@95
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99 state_changed = true
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bsw@95
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100 slot.put("<span class=\"diff_" .. tostring(state) .. "\">")
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bsw@95
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101 end
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bsw@95
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102
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bsw@95
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103 line = string.sub(line, 2, #line)
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bsw@95
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104 if line ~= "###ENTER###" then
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bsw@95
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105 if not state_changed then
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bsw@95
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106 slot.put(" ")
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bsw@95
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107 end
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bsw@95
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108 slot.put(line)
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bsw@95
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109 else
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bsw@95
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110 slot.put("<br />")
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bsw@95
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111 end
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bsw@95
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112 end
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bsw@95
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113
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bsw@2
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114 if not status then
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bsw@2
|
115 ui.field.text{ value = _"The drafts do not differ" }
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bsw@2
|
116 else
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bsw@95
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117 ui.container{
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bsw@95
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118 tag = "div",
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bsw@95
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119 attr = { class = "diff" },
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bsw@95
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120 content = function()
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bsw@95
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121 output = output:gsub("[^\n\r]+", function(line)
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bsw@95
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122 process_line(line)
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bsw@95
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123 end)
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bsw@2
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124 end
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bsw@95
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125 }
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bsw@2
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126 end
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bsw@2
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127
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