80 lines
1.6 KiB
Plaintext
80 lines
1.6 KiB
Plaintext
note
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description: "Summary description for {WSF_BUTTON_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_BUTTON_CONTROL
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inherit
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WSF_CONTROL
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create
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make_button
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feature {NONE}
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make_button (n: STRING; t: STRING)
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do
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make (n, "button")
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text := t
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end
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feature {WSF_PAGE_CONTROL, WSF_CONTROL} -- STATE MANAGEMENT
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set_state (new_state: JSON_OBJECT)
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-- Restore text from json
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do
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if attached {JSON_STRING} new_state.item (create {JSON_STRING}.make_json ("text")) as new_text then
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text := new_text.unescaped_string_32
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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 text 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 (create {JSON_STRING}.make_json (text), create {JSON_STRING}.make_json ("text"))
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Result.put (create {JSON_BOOLEAN}.make_boolean (attached click_event), create {JSON_STRING}.make_json ("callback_click"))
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end
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feature --EVENT HANDLING
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set_click_event (e: attached like click_event)
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-- Set button click event handle
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do
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click_event := e
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end
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handle_callback (cname: STRING; event: STRING)
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do
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if Current.control_name.is_equal (cname) and attached click_event as cevent then
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cevent.call ([])
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end
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end
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feature
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render: STRING
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do
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Result := render_tag (text, "")
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end
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set_text (t: STRING)
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do
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if not t.is_equal (text) then
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text := t
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state_changes.replace (create {JSON_STRING}.make_json (text), create {JSON_STRING}.make_json ("text"))
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end
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end
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feature
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text: STRING
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click_event: detachable PROCEDURE [ANY, TUPLE []]
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end
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