webmcp

annotate framework/env/ui/link.lua @ 11:d76a8857ba62

Added ui.partial and other functions, which allow partial content replacement using XMLHttpRequests; Image support for ui.link

Also includes following changes:
- Fix for rocketcgi library to accept POST data content-types, which contain additional charset information.
- Support arrays passed as params to encode.url (only for keys ending with "[]")
- Version information changed to "1.0.7"

Documentation for added functions is not yet complete.
author jbe/bsw
date Fri Feb 12 18:40:22 2010 +0100 (2010-02-12)
parents 5e32ef998acf
children f3d3203cd2e4
rev   line source
jbe/bsw@0 1 --[[--
jbe/bsw@0 2 ui.link{
jbe/bsw@0 3 external = external, -- external URL
jbe/bsw@0 4 static = static, -- URL relative to the static file directory
jbe/bsw@0 5 module = module, -- module name
jbe/bsw@0 6 view = view, -- view name
jbe/bsw@0 7 action = action, -- action name
jbe/bsw@0 8 id = id, -- optional id to be passed to the view or action to select a particular data record
jbe/bsw@0 9 params = params, -- optional parameters to be passed to the view or action
jbe/bsw@0 10 routing = routing, -- optional routing information for action links, as described for ui.form{...}
jbe/bsw@0 11 text = text, -- link text
jbe/bsw@11 12 content = content, -- link content (overrides link text, except for submit buttons for action calls without JavaScript)
jbe/bsw@11 13 partial = { -- TODO: documentation
jbe/bsw@11 14 module = module,
jbe/bsw@11 15 view = view,
jbe/bsw@11 16 id = id,
jbe/bsw@11 17 params = params
jbe/bsw@11 18 }
jbe/bsw@0 19 }
jbe/bsw@0 20
jbe/bsw@0 21 This function inserts a link into the active slot. It may be either an internal application link ('module' given and 'view' or 'action' given), or a link to an external web page ('external' given), or a link to a file in the static file directory of the application ('static' given).
jbe/bsw@0 22
jbe/bsw@0 23 --]]--
jbe/bsw@0 24
jbe/bsw@0 25 function ui.link(args)
jbe/bsw@0 26 local args = args or {}
jbe/bsw@4 27 local content = args.content or args.text
jbe/bsw@0 28 assert(content, "ui.link{...} needs a text.")
jbe/bsw@0 29 local function wrapped_content()
jbe/bsw@11 30 if args.image then
jbe/bsw@11 31 ui.image(args.image)
jbe/bsw@11 32 end
jbe/bsw@0 33 if type(content) == "function" then
jbe/bsw@0 34 content()
jbe/bsw@0 35 else
jbe/bsw@0 36 slot.put(encode.html(content))
jbe/bsw@0 37 end
jbe/bsw@0 38 end
jbe/bsw@0 39 if args.action then
jbe/bsw@0 40 local form_attr = table.new(args.form_attr)
jbe/bsw@0 41 local form_id
jbe/bsw@0 42 if form_attr.id then
jbe/bsw@0 43 form_id = form_attr.id
jbe/bsw@0 44 else
jbe/bsw@0 45 form_id = ui.create_unique_id()
jbe/bsw@0 46 end
jbe/bsw@0 47 local quoted_form_id = encode.json(form_id)
jbe/bsw@0 48 form_attr.id = form_id
jbe/bsw@0 49 local a_attr = table.new(args.attr)
jbe/bsw@0 50 a_attr.href = "#"
jbe/bsw@0 51 a_attr.onclick =
jbe/bsw@0 52 "var f = document.getElementById(" .. quoted_form_id .. "); if (! f.onsubmit || f.onsubmit() != false) { f.submit() };"
jbe/bsw@0 53 ui.form{
jbe/bsw@0 54 external = args.external,
jbe/bsw@0 55 module = args.module or request.get_module(),
jbe/bsw@0 56 action = args.action,
jbe/bsw@0 57 id = args.id,
jbe/bsw@0 58 params = args.params,
jbe/bsw@0 59 routing = args.routing,
jbe/bsw@11 60 partial = args.partial,
jbe/bsw@0 61 attr = form_attr,
jbe/bsw@0 62 content = function()
jbe/bsw@0 63 ui.submit{ text = args.text, attr = args.submit_attr }
jbe/bsw@0 64 end
jbe/bsw@0 65 }
jbe/bsw@0 66 ui.script{
jbe/bsw@0 67 type = "text/javascript",
jbe/bsw@0 68 script = (
jbe/bsw@0 69 "document.getElementById(" ..
jbe/bsw@0 70 quoted_form_id ..
jbe/bsw@0 71 ").style.display = 'none'; document.write(" ..
jbe/bsw@0 72 encode.json(
jbe/bsw@0 73 slot.use_temporary(
jbe/bsw@0 74 function()
jbe/bsw@0 75 ui.tag{
jbe/bsw@0 76 tag = "a",
jbe/bsw@0 77 attr = a_attr,
jbe/bsw@0 78 content = wrapped_content
jbe/bsw@0 79 }
jbe/bsw@0 80 end
jbe/bsw@0 81 )
jbe/bsw@0 82 ) ..
jbe/bsw@0 83 ");"
jbe/bsw@0 84 )
jbe/bsw@0 85 }
jbe/bsw@0 86 else
jbe/bsw@0 87 -- TODO: support content function
jbe/bsw@0 88 local a_attr = table.new(args.attr)
jbe/bsw@0 89 a_attr.href = encode.url{
jbe/bsw@0 90 external = args.external,
jbe/bsw@0 91 static = args.static,
jbe/bsw@0 92 module = args.module or request.get_module(),
jbe/bsw@0 93 view = args.view,
jbe/bsw@0 94 id = args.id,
jbe/bsw@0 95 params = args.params,
jbe/bsw@0 96 }
jbe/bsw@11 97 if ui.is_partial_loading_enabled() and args.partial then
jbe/bsw@11 98 a_attr.onclick = ui._partial_load_js(args.partial)
jbe/bsw@11 99 end
jbe/bsw@0 100 return ui.tag{ tag = "a", attr = a_attr, content = wrapped_content }
jbe/bsw@0 101 end
jbe/bsw@0 102 end

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