annotate framework/env/slot/set_layout.lua @ 569:5b19007574de
New argument active_link_attr for env.ui.paginate{...}
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jbe |
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Wed Oct 13 17:21:44 2021 +0200 (2021-10-13) |
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6c819040ef6f |
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1 --[[--
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2 slot.set_layout(
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3 layout_ident, -- name of layout or nil for binary data in slot named "data"
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4 content_type -- content-type to be sent to the browser, or nil for default
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5 )
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6
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7 This function selects which layout should be used when calling slot.render_layout() (as done by request.handler(...)). If nil is selected as layout, then no layout will be used, but the slot named "data" is used plainly. The second argument to slot.set_layout is the content-type which is sent to the browser.
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8
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jbe@509
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9 The default layout for views is "default" (but errors get a default layout named "system_error"). Actions have no default layout, but an explicit call of slot.set_layout(...) (even with nil as first argument) during request handling will cause subsequent calls of slot.layout_is_set() to return true which indicates that content (e.g. via slot.put_into("data", ...)) is available and should be rendered instead of using the action's return value to forward or redirect the user agent.
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10
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11 --]]--
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12
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13 function slot.set_layout(layout_ident, content_type)
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14 request.configure(function()
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15 slot._current_layout = layout_ident
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16 slot._content_type = content_type
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17 end)
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18 if request.is_in_progress() then
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19 slot._layout_set = true
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20 end
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21 end
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