prosody
72e4639c9310
util/dataforms.lua

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util/dataforms.lua @ 954:72e4639c9310

util.dataforms: Fixes for hidden field type
author Matthew Wild <mwild1@gmail.com>
date Sat, 04 Apr 2009 18:07:48 +0100
parent 953:bed748f5dbb1
child 955:98ca5a753fee
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1 local setmetatable = setmetatable;
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2 local pairs, ipairs = pairs, ipairs;
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3 local tostring, type = tostring, type;
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4 local t_concat = table.concat;
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5
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6 local st = require "util.stanza";
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7
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8 module "dataforms"
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9
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10 local xmlns_forms = 'jabber:x:data';
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11
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12 local form_t = {};
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13 local form_mt = { __index = form_t };
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14
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15 function new(layout)
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16 return setmetatable(layout, form_mt);
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17 end
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18
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19 local form_x_attr = { xmlns = xmlns_forms };
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20
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21 function form_t.form(layout, data)
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22 local form = st.stanza("x", form_x_attr);
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23 if layout.title then
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24 form:tag("title"):text(layout.title):up();
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25 end
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26 if layout.instructions then
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27 form:tag("instructions"):text(layout.instructions):up();
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28 end
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29 for n, field in ipairs(layout) do
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30 local field_type = field.type or "text-single";
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31 -- Add field tag
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32 form:tag("field", { type = field_type, var = field.name, label = field.label });
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33
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34 local value = data[field.name];
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35
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36 -- Add value, depending on type
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37 if field_type == "hidden" then
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38 if type(value) == "table" then
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39 -- Assume an XML snippet
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40 form:tag("value")
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41 :add_child(value)
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42 :up();
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43 elseif value then
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44 form:tag("value"):text(tostring(value)):up();
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45 end
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46 elseif field_type == "boolean" then
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47 form:tag("value"):text((value and "1") or "0"):up();
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48 elseif field_type == "fixed" then
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49
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50 elseif field_type == "jid-multi" then
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51 for _, jid in ipairs(value) do
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52 form:tag("value"):text(jid):up();
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53 end
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54 elseif field_type == "jid-single" then
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55 form:tag("value"):text(value):up();
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56 elseif field_type == "text-single" or field_type == "text-private" then
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57 form:tag("value"):text(value):up();
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58 elseif field_type == "text-multi" then
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59 -- Split into multiple <value> tags, one for each line
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60 for line in value:gmatch("([^\r\n]+)\r?\n*") do
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61 form:tag("value"):text(line):up();
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62 end
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63 end
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64
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65 if field.required then
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66 form:tag("required"):up();
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67 end
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68
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69 -- Jump back up to list of fields
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70 form:up();
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71 end
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72 return form;
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73 end
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74
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75 function form_t.data(layout, stanza)
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76
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77 end
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78
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79 return _M;
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80
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81
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82 --[=[
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83
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84 Layout:
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85 {
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86
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87 title = "MUC Configuration",
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88 instructions = [[Use this form to configure options for this MUC room.]],
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89
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90 { name = "FORM_TYPE", type = "hidden", required = true };
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91 { name = "field-name", type = "field-type", required = false };
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92 }
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93
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94
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95 --]=]