+-- Prosody IM
+-- Copyright (C) 2008-2009 Matthew Wild
+-- Copyright (C) 2008-2009 Waqas Hussain
+--
+-- This project is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
+--
+
+local setmetatable = setmetatable;
+local pairs, ipairs = pairs, ipairs;
+local tostring, type = tostring, type;
+local t_concat = table.concat;
+local st = require "util.stanza";
module "dataforms"
return setmetatable(layout, form_mt);
end
-local form_x_attr = { xmlns = xmlns_forms };
-
function form_t.form(layout, data)
- local form = st.tag("x", form_x_attr);
+ local form = st.stanza("x", { xmlns = xmlns_forms, type = "form" });
+ if layout.title then
+ form:tag("title"):text(layout.title):up();
+ end
+ if layout.instructions then
+ form:tag("instructions"):text(layout.instructions):up();
+ end
for n, field in ipairs(layout) do
- local field_type = field.type;
+ local field_type = field.type or "text-single";
-- Add field tag
- form:tag("field", { type = field_type, var = field.name });
+ form:tag("field", { type = field_type, var = field.name, label = field.label });
- local value = data[field.name];
+ local value = (data and data[field.name]) or field.value;
- -- Add value, depending on type
- if field_type == "hidden" then
- if type(value) == "table" then
- -- Assume an XML snippet
- form:add_child(value);
- elseif value then
- form:text(tostring(value));
- end
- elseif field_type == "boolean" then
- form:text((value and "1") or "0");
- elseif field_type == "fixed" then
-
- elseif field_type == "jid-multi" then
- for _, jid in ipairs(value) do
- form:tag("value"):text(jid):up();
+ if value then
+ -- Add value, depending on type
+ if field_type == "hidden" then
+ if type(value) == "table" then
+ -- Assume an XML snippet
+ form:tag("value")
+ :add_child(value)
+ :up();
+ else
+ form:tag("value"):text(tostring(value)):up();
+ end
+ elseif field_type == "boolean" then
+ form:tag("value"):text((value and "1") or "0"):up();
+ elseif field_type == "fixed" then
+
+ elseif field_type == "jid-multi" then
+ for _, jid in ipairs(value) do
+ form:tag("value"):text(jid):up();
+ end
+ elseif field_type == "jid-single" then
+ form:tag("value"):text(value):up();
+ elseif field_type == "text-single" or field_type == "text-private" then
+ form:tag("value"):text(value):up();
+ elseif field_type == "text-multi" then
+ -- Split into multiple <value> tags, one for each line
+ for line in value:gmatch("([^\r\n]+)\r?\n*") do
+ form:tag("value"):text(line):up();
+ end
+ elseif field_type == "list-single" then
+ for _, val in ipairs(value) do
+ if type(val) == "table" then
+ form:tag("option", { label = val.label }):tag("value"):text(val.value):up():up();
+ else
+ form:tag("option", { label= val }):tag("value"):text(tostring(val)):up():up();
+ end
+ end
end
- elseif field_type == "jid-single" then
- form:tag("value"):text(value):up();
-
+ end
+
+ if field.required then
+ form:tag("required"):up();
end
-- Jump back up to list of fields
return form;
end
+local field_readers = {};
+
function form_t.data(layout, stanza)
+ local data = {};
+ for field_tag in stanza:childtags() do
+ local field_type = field_tag.attr.type;
+
+ local reader = field_readers[field_type];
+ if reader then
+ data[field_tag.attr.var] = reader(field_tag);
+ end
+
+ end
+ return data;
end
+field_readers["text-single"] =
+ function (field_tag)
+ local value = field_tag:child_with_name("value");
+ if value then
+ return value[1];
+ end
+ end
+
+field_readers["text-private"] =
+ field_readers["text-single"];
+
+field_readers["jid-single"] =
+ field_readers["text-single"];
+
+field_readers["jid-multi"] =
+ function (field_tag)
+ local result = {};
+ for value_tag in field_tag:childtags() do
+ if value_tag.name == "value" then
+ result[#result+1] = value_tag[1];
+ end
+ end
+ return result;
+ end
+
+field_readers["text-multi"] =
+ function (field_tag)
+ local result = {};
+ for value_tag in field_tag:childtags() do
+ if value_tag.name == "value" then
+ result[#result+1] = value_tag[1];
+ end
+ end
+ return t_concat(result, "\n");
+ end
+
+field_readers["list-single"] =
+ field_readers["text-single"];
+
+field_readers["boolean"] =
+ function (field_tag)
+ local value = field_tag:child_with_name("value");
+ if value then
+ if value[1] == "1" or value[1] == "true" then
+ return true;
+ else
+ return false;
+ end
+ end
+ end
+
+field_readers["hidden"] =
+ function (field_tag)
+ local value = field_tag:child_with_name("value");
+ if value then
+ return value[1];
+ end
+ end
+
+return _M;
---[[
+--[=[
Layout:
{
}
---]]
+--]=]