webmcp

annotate framework/env/ui/link.lua @ 223:32ec28229bb5

Finished removing all references to cgi module (except demo-app); Removed partial loading mechanism
author jbe
date Fri Feb 27 21:49:00 2015 +0100 (2015-02-27)
parents 3a6962b9121c
children
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@53 8 attr = attr, -- for views: table of HTML attributes
jbe@53 9 a_attr = a_attr, -- for actions: table of HTML attributes for the "a" tag
jbe@53 10 form_attr = form_attr, -- for actions: table of HTML attributes for the "form" tag
jbe/bsw@0 11 id = id, -- optional id to be passed to the view or action to select a particular data record
jbe/bsw@0 12 params = params, -- optional parameters to be passed to the view or action
jbe/bsw@0 13 routing = routing, -- optional routing information for action links, as described for ui.form{...}
jbe@79 14 anchor = anchor, -- for views: anchor in destination URL
jbe/bsw@0 15 text = text, -- link text
jbe@223 16 content = content -- link content (overrides link text, except for submit buttons for action calls without JavaScript)
jbe/bsw@0 17 }
jbe/bsw@0 18
jbe/bsw@0 19 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 20
jbe/bsw@0 21 --]]--
jbe/bsw@0 22
jbe/bsw@0 23 function ui.link(args)
jbe/bsw@0 24 local args = args or {}
jbe/bsw@4 25 local content = args.content or args.text
jbe/bsw@0 26 assert(content, "ui.link{...} needs a text.")
jbe/bsw@0 27 local function wrapped_content()
jbe/bsw@11 28 if args.image then
jbe/bsw@11 29 ui.image(args.image)
jbe/bsw@11 30 end
jbe/bsw@0 31 if type(content) == "function" then
jbe/bsw@0 32 content()
jbe/bsw@0 33 else
jbe/bsw@0 34 slot.put(encode.html(content))
jbe/bsw@0 35 end
jbe/bsw@0 36 end
jbe/bsw@0 37 if args.action then
jbe/bsw@0 38 local form_attr = table.new(args.form_attr)
jbe/bsw@0 39 local form_id
jbe/bsw@0 40 if form_attr.id then
jbe/bsw@0 41 form_id = form_attr.id
jbe/bsw@0 42 else
jbe/bsw@0 43 form_id = ui.create_unique_id()
jbe/bsw@0 44 end
jbe/bsw@0 45 local quoted_form_id = encode.json(form_id)
jbe/bsw@0 46 form_attr.id = form_id
jbe/bsw@0 47 local a_attr = table.new(args.attr)
jbe/bsw@0 48 a_attr.href = "#"
jbe/bsw@0 49 a_attr.onclick =
jbe@52 50 "var f = document.getElementById(" .. quoted_form_id .. "); if (! f.onsubmit || f.onsubmit() != false) { f.submit() }; return false;"
jbe/bsw@0 51 ui.form{
jbe/bsw@0 52 external = args.external,
jbe/bsw@0 53 module = args.module or request.get_module(),
jbe/bsw@0 54 action = args.action,
jbe/bsw@0 55 id = args.id,
jbe/bsw@0 56 params = args.params,
jbe/bsw@0 57 routing = args.routing,
jbe/bsw@0 58 attr = form_attr,
jbe/bsw@0 59 content = function()
jbe/bsw@0 60 ui.submit{ text = args.text, attr = args.submit_attr }
jbe/bsw@0 61 end
jbe/bsw@0 62 }
jbe/bsw@0 63 ui.script{
jbe/bsw@0 64 type = "text/javascript",
jbe/bsw@0 65 script = (
jbe/bsw@0 66 "document.getElementById(" ..
jbe/bsw@0 67 quoted_form_id ..
jbe/bsw@0 68 ").style.display = 'none'; document.write(" ..
jbe/bsw@0 69 encode.json(
jbe/bsw@0 70 slot.use_temporary(
jbe/bsw@0 71 function()
jbe/bsw@0 72 ui.tag{
jbe/bsw@0 73 tag = "a",
jbe/bsw@0 74 attr = a_attr,
jbe/bsw@0 75 content = wrapped_content
jbe/bsw@0 76 }
jbe/bsw@0 77 end
jbe/bsw@0 78 )
jbe/bsw@0 79 ) ..
jbe/bsw@0 80 ");"
jbe/bsw@0 81 )
jbe/bsw@0 82 }
jbe/bsw@0 83 else
jbe/bsw@0 84 -- TODO: support content function
jbe/bsw@0 85 local a_attr = table.new(args.attr)
jbe/bsw@0 86 a_attr.href = encode.url{
jbe/bsw@0 87 external = args.external,
jbe/bsw@0 88 static = args.static,
jbe/bsw@0 89 module = args.module or request.get_module(),
jbe/bsw@0 90 view = args.view,
jbe/bsw@0 91 id = args.id,
jbe/bsw@0 92 params = args.params,
jbe@79 93 anchor = args.anchor
jbe/bsw@0 94 }
jbe/bsw@0 95 return ui.tag{ tag = "a", attr = a_attr, content = wrapped_content }
jbe/bsw@0 96 end
jbe/bsw@0 97 end

Impressum / About Us