Move project to wsf_js_widget

library/server/wsf_js_widget/grid/wsf_datasource.e

@@ -0,0 +1,82 @@
+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 (Void)
+			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), "sort_column")
+			else
+				Result.put (create {JSON_NULL}, "sort_column")
+			end
+			Result.put (create {JSON_BOOLEAN}.make_boolean (sort_direction), "sort_direction")
+		end
+
+	set_state (new_state: JSON_OBJECT)
+		do
+			if attached {JSON_NUMBER} new_state.item ("page") as new_page then
+				page := new_page.integer_type
+			end
+			if attached {JSON_NUMBER} new_state.item ("page_size") as new_page_size then
+				page_size := new_page_size.integer_type
+			end
+			if attached {JSON_STRING} new_state.item ("sort_column") as new_sort_column then
+				sort_column := new_sort_column.unescaped_string_32 -- Implicit Conversion !
+			elseif attached {JSON_NULL} new_state.item ("sort_column") as new_sort_column then
+				sort_column := Void
+			end
+			if attached {JSON_BOOLEAN} new_state.item ("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