annotate framework/env/ui/script.lua @ 9:64f4540ce88c
CDATA-escaping with JavaScript comments for ui.script
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jbe/bsw |
| date |
Sun Jan 31 18:37:38 2010 +0100 (2010-01-31) |
| parents |
5e32ef998acf |
| children |
e017c47d43b5 |
| rev |
line source |
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jbe/bsw@0
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1 --[[--
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2 ui.script{
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3 noscript_attr = noscript_attr, -- HTML attributes for noscript tag
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4 noscript = noscript, -- string or function for noscript content
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5 attr = attr, -- extra HTML attributes for script tag
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6 type = type, -- type of script, defaults to "text/javascript"
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7 script = script, -- string or function for script content
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8 }
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9
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10 This function is used to insert a script into the active slot.
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11
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12 --]]--
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13
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14 function ui.script(args)
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15 local args = args or {}
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16 local noscript_attr = args.noscript_attr
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17 local noscript = args.noscript
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18 local attr = table.new(args.attr)
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19 attr.type = attr.type or args.type or "text/javascript"
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20 local script = args.script
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21 if args.external then
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22 attr.src = encode.url{ external = args.external }
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23 elseif args.static then
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24 attr.src = encode.url{ static = args.static }
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25 end
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26 if noscript then
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27 ui.tag{ tag = "noscript", attr = attr, content = noscript }
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28 end
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29 if attr.src then
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30 ui.tag{ tag = "script", attr = attr, content = "" }
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31 elseif script then
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32 ui.tag{
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33 tag = "script",
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34 attr = attr,
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35 content = function()
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36 slot.put("/* <![CDATA[ */")
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37 local script_string
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38 if type(script) == "function" then
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39 script_string = slot.use_temporary(script)
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40 else
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41 script_string = script
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42 end
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43 -- Using double parenthesis in following command is important
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44 slot.put((string.gsub(script_string, "]]>", "]]]]><![CDATA[>")))
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45 slot.put("/* ]]> */")
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46 end
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47 }
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48 end
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49 end
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