122 lines
2.7 KiB
Plaintext
122 lines
2.7 KiB
Plaintext
note
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description: "Summary description for {WSF_GRID_CONTROL}."
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author: ""
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date: "$Date$"
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revision: "$Revision$"
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class
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WSF_GRID_CONTROL [G -> WSF_ENTITY]
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inherit
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WSF_MULTI_CONTROL [WSF_STATELESS_CONTROL]
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redefine
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set_state,
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state,
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handle_callback,
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render
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end
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create
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make_grid
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feature {NONE}
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make_grid (n: STRING; a_columns: ITERABLE [WSF_GRID_COLUMN]; a_datasource: WSF_DATASOURCE [G])
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do
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make_multi_control (n)
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columns := a_columns
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datasource := a_datasource
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datasource.set_on_update_agent (agent update)
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if attached {WSF_PAGABLE_DATASOURCE [G]} a_datasource as ds then
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create pagination_control.make_paging (n + "_paging", ds)
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add_control (pagination_control)
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end
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end
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feature {WSF_PAGE_CONTROL, WSF_CONTROL} -- STATE MANAGEMENT
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update
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do
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state_changes.replace (create {JSON_STRING}.make_json (render_body), create {JSON_STRING}.make_json ("_body"))
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state_changes.replace (datasource.state, create {JSON_STRING}.make_json ("datasource"))
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end
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set_state (new_state: JSON_OBJECT)
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-- Restore html from json
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do
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if attached {JSON_OBJECT} new_state.item (create {JSON_STRING}.make_json ("datasource")) as datasource_state then
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datasource.set_state (datasource_state)
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end
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end
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state: JSON_OBJECT
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-- Return state which contains the current html and if there is an event handle attached
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do
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create Result.make
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Result.put (datasource.state, create {JSON_STRING}.make_json ("datasource"))
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end
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feature --EVENT HANDLING
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handle_callback (cname: STRING; event: STRING; event_parameter: detachable STRING)
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do
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Precursor (cname, event, event_parameter)
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end
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feature -- Implementation
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render_header: STRING
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do
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Result := ""
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across
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columns as c
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loop
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Result.append (render_tag_with_tagname ("th", c.item.header, "", ""))
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end
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Result := render_tag_with_tagname ("thead", render_tag_with_tagname ("tr", Result, "", ""), "", "")
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end
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render_body: STRING
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local
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row: STRING
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do
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Result := ""
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across
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datasource.data as entity
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loop
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row := ""
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across
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columns as c
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loop
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row.append (render_tag_with_tagname ("td", c.item.render_column (entity.item), "", ""))
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end
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Result.append (render_tag_with_tagname ("tr", row, "", ""))
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end
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Result := render_tag_with_tagname ("tbody", Result, "", "")
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end
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render: STRING
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local
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table: STRING
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do
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table := render_tag_with_tagname ("table", render_header + render_body, "", "table table-striped")
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Result := ""
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across
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controls as c
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loop
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Result := c.item.render + Result
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end
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Result := render_tag (table + Result, "")
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end
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feature
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columns: ITERABLE [WSF_GRID_COLUMN]
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datasource: WSF_DATASOURCE [G]
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pagination_control: detachable WSF_PAGINATION_CONTROL [G]
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end
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