Files
EWF/library/server/wsf_js_widget/grid/wsf_repeater_control.e
2013-09-20 19:19:34 +02:00

101 lines
2.2 KiB
Plaintext

note
description: "Summary description for {WSF_REPEATER_CONTROL}."
author: ""
date: "$Date$"
revision: "$Revision$"
deferred class
WSF_REPEATER_CONTROL [G -> WSF_ENTITY]
inherit
WSF_MULTI_CONTROL [WSF_STATELESS_CONTROL]
redefine
set_state,
state,
handle_callback,
render
end
feature {NONE}
make_repeater (n: STRING; a_datasource: WSF_DATASOURCE [G])
do
make_multi_control (n)
datasource := a_datasource
datasource.set_on_update_agent (agent update)
if attached {WSF_PAGABLE_DATASOURCE [G]} a_datasource as ds then
create pagination_control.make_paging (n + "_paging", ds)
add_control (pagination_control)
end
end
feature {WSF_PAGE_CONTROL, WSF_CONTROL} -- STATE MANAGEMENT
update
do
state_changes.replace (create {JSON_STRING}.make_json (render_body), "_body")
state_changes.replace (datasource.state, "datasource")
end
set_state (new_state: JSON_OBJECT)
-- Restore html from json
do
if attached {JSON_OBJECT} new_state.item ("datasource") as datasource_state then
datasource.set_state (datasource_state)
end
end
state: JSON_OBJECT
-- Return state which contains the current html and if there is an event handle attached
do
create Result.make
Result.put (datasource.state, "datasource")
end
feature --EVENT HANDLING
handle_callback (cname: STRING; event: STRING; event_parameter: detachable STRING)
do
Precursor (cname, event, event_parameter)
end
feature -- Implementation
render_item (item: G): STRING
deferred
end
render_body: STRING
do
Result := ""
across
datasource.data as entity
loop
Result.append (render_item (entity.item))
end
end
render: STRING
local
content: STRING
do
content := render_tag_with_tagname ("div", render_body, "", "repeater_content")
Result := ""
across
controls as c
loop
Result := c.item.render + Result
end
-- Fix generator name since the user will extend this class to define item_render
Result := render_tag_with_generator_name ("WSF_REPEATER_CONTROL", content + Result, "")
end
feature
datasource: WSF_DATASOURCE [G]
pagination_control: detachable WSF_PAGINATION_CONTROL [G]
end