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EWF/library/server/wsf_html/webcontrol/grid/wsf_datasource.e
2013-09-14 17:46:57 +02:00

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note
description: "Summary description for {WSF_DATASOURCE}."
author: ""
date: "$Date$"
revision: "$Revision$"
deferred class
WSF_DATASOURCE [G -> WSF_ENTITY]
feature -- Update event
set_on_update_agent (f: PROCEDURE [ANY, TUPLE []])
do
on_update_agent := f
end
update
do
if attached on_update_agent as a then
a.call ([])
end
end
on_update_agent: detachable PROCEDURE [ANY, TUPLE []]
feature --State
state: JSON_OBJECT
-- Return state which contains the current html and if there is an event handle attached
do
create Result.make
if attached sort_column as a_sort_column then
Result.put (create {JSON_STRING}.make_json (a_sort_column), create {JSON_STRING}.make_json ("sort_column"))
else
Result.put (create {JSON_NULL}, create {JSON_STRING}.make_json ("sort_column"))
end
Result.put (create {JSON_BOOLEAN}.make_boolean (sort_direction), create {JSON_STRING}.make_json ("sort_direction"))
end
set_state (new_state: JSON_OBJECT)
do
if attached {JSON_NUMBER} new_state.item (create {JSON_STRING}.make_json ("page")) as new_page then
page := new_page.integer_type
end
if attached {JSON_NUMBER} new_state.item (create {JSON_STRING}.make_json ("page_size")) as new_page_size then
page_size := new_page_size.integer_type
end
if attached {JSON_STRING} new_state.item (create {JSON_STRING}.make_json ("sort_column")) as new_sort_column then
sort_column := new_sort_column.unescaped_string_32
elseif attached {JSON_NULL} new_state.item (create {JSON_STRING}.make_json ("sort_column")) as new_sort_column then
sort_column := VOID
end
if attached {JSON_BOOLEAN} new_state.item (create {JSON_STRING}.make_json ("sort_direction")) as new_sort_direction then
sort_direction := new_sort_direction.item
end
end
feature
set_sort_column (a_sort_column: like sort_column)
do
sort_column := a_sort_column
end
set_sort_direction (a_sort_direction: like sort_direction)
do
sort_direction := a_sort_direction
end
page: INTEGER
page_size: INTEGER
sort_column: detachable STRING
sort_direction: BOOLEAN
data: ITERABLE [G]
deferred
end
end