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note description: "Eiffel Vision directory dialog." legal: "See notice at end of class." status: "See notice at end of class." date: "$Date: 2013-01-17 14:11:05 -0900 (Thu, 17 Jan 2013) $" revision: "$Revision: 90653 $" class interface EV_DIRECTORY_DIALOG create default_create -- Standard creation procedure. -- (from EV_ANY) require -- from ANY True ensure then -- from EV_ANY is_coupled: implementation /= Void is_initialized: is_initialized default_create_called: default_create_called is_in_default_state: is_in_default_state make_with_title (a_title: READABLE_STRING_GENERAL) -- Initialize Current and assign a_title to title. -- (from EV_STANDARD_DIALOG) require -- from EV_STANDARD_DIALOG a_title_not_void: a_title /= Void ensure -- from EV_STANDARD_DIALOG title_assigned: title.same_string_general (a_title) cloned: title /= a_title feature -- Access blocking_window: detachable EV_WINDOW -- Window Current is a transient for. -- (from EV_STANDARD_DIALOG) require -- from EV_STANDARD_DIALOG not_destroyed: not is_destroyed ensure -- from EV_STANDARD_DIALOG bridge_ok: Result = implementation.blocking_window data: detachable ANY -- Arbitrary user data may be stored here. -- (from EV_ANY) directory: STRING_32 -- Path of currently selected directory. -- Result is empty if "OK" was not pressed. require not_destroyed: not is_destroyed ensure directory_not_void: Result /= Void generating_type: TYPE [detachable EV_DIRECTORY_DIALOG] -- Type of current object -- (type of which it is a direct instance) -- (from ANY) ensure -- from ANY generating_type_not_void: Result /= Void generator: STRING_8 -- Name of current object's generating class -- (base class of the type of which it is a direct instance) -- (from ANY) ensure -- from ANY generator_not_void: Result /= Void generator_not_empty: not Result.is_empty path: PATH -- Path of currently selected directory. -- Result is empty if "OK" was not pressed. require not_destroyed: not is_destroyed ensure directory_path_not_void: Result /= Void bridge_ok: Result /= Void implies Result.is_equal (implementation.path) start_directory: STRING_32 -- Base directory where browsing will start. require not_destroyed: not is_destroyed start_path: PATH -- Base directory where browsing will start. require not_destroyed: not is_destroyed ensure bridge_ok: Result.is_equal (implementation.start_path) title: STRING_32 -- Title of Current displayed in title bar. -- (from EV_STANDARD_DIALOG) require -- from EV_STANDARD_DIALOG not_destroyed: not is_destroyed ensure -- from EV_STANDARD_DIALOG bridge_ok: Result.is_equal (implementation.title) cloned: Result /= implementation.title feature -- Measurement dpi: NATURAL_32 -- Window dpi -- (from EV_POSITIONED) require -- from EV_POSITIONED not_destroyed: not is_destroyed ensure -- from EV_POSITIONED positive_or_zero: Result >= 0 height: INTEGER_32 -- Vertical size in pixels. -- Same as minimum_height when not displayed. -- (from EV_POSITIONED) require -- from EV_POSITIONED not_destroyed: not is_destroyed ensure -- from EV_POSITIONED bridge_ok: Result = implementation.height minimum_height: INTEGER_32 -- Lower bound on height in pixels. -- (from EV_POSITIONED) require -- from EV_POSITIONED not_destroyed: not is_destroyed ensure -- from EV_POSITIONED bridge_ok: Result = implementation.minimum_height positive_or_zero: Result >= 0 minimum_width: INTEGER_32 -- Lower bound on width in pixels. -- (from EV_POSITIONED) require -- from EV_POSITIONED not_destroyed: not is_destroyed ensure -- from EV_POSITIONED bridge_ok: Result = implementation.minimum_width positive_or_zero: Result >= 0 screen_x: INTEGER_32 -- Horizontal offset relative to screen. -- (from EV_POSITIONED) require -- from EV_POSITIONED not_destroyed: not is_destroyed ensure -- from EV_POSITIONED bridge_ok: Result = implementation.screen_x screen_y: INTEGER_32 -- Vertical offset relative to screen. -- (from EV_POSITIONED) require -- from EV_POSITIONED not_destroyed: not is_destroyed ensure -- from EV_POSITIONED bridge_ok: Result = implementation.screen_y width: INTEGER_32 -- Horizontal size in pixels. -- Same as minimum_width when not displayed. -- (from EV_POSITIONED) require -- from EV_POSITIONED not_destroyed: not is_destroyed ensure -- from EV_POSITIONED bridge_ok: Result = implementation.width x_position: INTEGER_32 -- Horizontal offset relative to parent x_position in pixels. -- (from EV_POSITIONED) require -- from EV_POSITIONED not_destroyed: not is_destroyed ensure -- from EV_POSITIONED bridge_ok: Result = implementation.x_position y_position: INTEGER_32 -- Vertical offset relative to parent y_position in pixels. -- (from EV_POSITIONED) require -- from EV_POSITIONED not_destroyed: not is_destroyed ensure -- from EV_POSITIONED bridge_ok: Result = implementation.y_position feature -- Comparison frozen deep_equal (a: detachable ANY; b: like arg #1): BOOLEAN -- Are a and b either both void -- or attached to isomorphic object structures? -- (from ANY) ensure -- from ANY instance_free: class shallow_implies_deep: standard_equal (a, b) implies Result both_or_none_void: (a = Void) implies (Result = (b = Void)) same_type: (Result and (a /= Void)) implies (b /= Void and then a.same_type (b)) symmetric: Result implies deep_equal (b, a) frozen equal (a: detachable ANY; b: like arg #1): BOOLEAN -- Are a and b either both void or attached -- to objects considered equal? -- (from ANY) ensure -- from ANY instance_free: class definition: Result = (a = Void and b = Void) or else ((a /= Void and b /= Void) and then a.is_equal (b)) frozen is_deep_equal alias "≡≡≡" (other: EV_DIRECTORY_DIALOG): BOOLEAN -- Are Current and other attached to isomorphic object structures? -- (from ANY) require -- from ANY other_not_void: other /= Void ensure -- from ANY shallow_implies_deep: standard_is_equal (other) implies Result same_type: Result implies same_type (other) symmetric: Result implies other.is_deep_equal (Current) is_equal (other: EV_DIRECTORY_DIALOG): BOOLEAN -- Is other attached to an object considered -- equal to current object? -- (from ANY) require -- from ANY other_not_void: other /= Void ensure -- from ANY symmetric: Result implies other ~ Current consistent: standard_is_equal (other) implies Result frozen standard_equal (a: detachable ANY; b: like arg #1): BOOLEAN -- Are a and b either both void or attached to -- field-by-field identical objects of the same type? -- Always uses default object comparison criterion. -- (from ANY) ensure -- from ANY instance_free: class definition: Result = (a = Void and b = Void) or else ((a /= Void and b /= Void) and then a.standard_is_equal (b)) frozen standard_is_equal alias "" (other: EV_DIRECTORY_DIALOG): BOOLEAN -- Is other attached to an object of the same type -- as current object, and field-by-field identical to it? -- (from ANY) require -- from ANY other_not_void: other /= Void ensure -- from ANY same_type: Result implies same_type (other) symmetric: Result implies other.standard_is_equal (Current) feature -- Status report conforms_to (other: ANY): BOOLEAN -- Does type of current object conform to type -- of other (as per Eiffel: The Language, chapter 13)? -- (from ANY) require -- from ANY other_not_void: other /= Void same_type (other: ANY): BOOLEAN -- Is type of current object identical to type of other? -- (from ANY) require -- from ANY other_not_void: other /= Void ensure -- from ANY definition: Result = (conforms_to (other) and other.conforms_to (Current)) selected_button_name: detachable IMMUTABLE_STRING_32 -- Label of last clicked button. -- (from EV_STANDARD_DIALOG) require -- from EV_STANDARD_DIALOG not_destroyed: not is_destroyed ensure -- from EV_STANDARD_DIALOG bridge_ok: Result /= Void implies Result = implementation.selected_button feature -- Status setting hide -- Request that Current not be displayed even when its parent is. -- If successful, make is_show_requested False. -- (from EV_STANDARD_DIALOG) require -- from EV_STANDARD_DIALOG not_destroyed: not is_destroyed set_height (a_height: INTEGER_32) -- Assign a_height to height in pixels. -- (from EV_POSITIONABLE) require -- from EV_POSITIONABLE not_destroyed: not is_destroyed a_height_positive_or_zero: a_height >= 0 ensure -- from EV_POSITIONABLE height_assigned: height = minimum_height or else height = a_height set_position (a_x, a_y: INTEGER_32) -- Assign a_x to x_position and a_y to y_position in pixels. -- (from EV_POSITIONABLE) require -- from EV_POSITIONABLE not_destroyed: not is_destroyed set_size (a_width, a_height: INTEGER_32) -- Assign a_width to width and a_height to height in pixels. -- (from EV_POSITIONABLE) require -- from EV_POSITIONABLE not_destroyed: not is_destroyed a_width_positive_or_zero: a_width >= 0 a_height_positive_or_zero: a_height >= 0 ensure -- from EV_POSITIONABLE width_assigned: width = minimum_width or else width = a_width height_assigned: height = minimum_height or else height = a_height set_title (a_title: READABLE_STRING_GENERAL) -- Assign a_title to title. -- (from EV_STANDARD_DIALOG) require -- from EV_STANDARD_DIALOG not_destroyed: not is_destroyed a_title_not_void: a_title /= Void ensure -- from EV_STANDARD_DIALOG assigned: title.same_string_general (a_title) cloned: title /= a_title set_width (a_width: INTEGER_32) -- Assign a_width to width in pixels. -- (from EV_POSITIONABLE) require -- from EV_POSITIONABLE not_destroyed: not is_destroyed a_width_positive_or_zero: a_width >= 0 ensure -- from EV_POSITIONABLE width_assigned: width = minimum_width or else width = a_width set_x_position (a_x: INTEGER_32) -- Assign a_x to x_position in pixels. -- (from EV_POSITIONABLE) require -- from EV_POSITIONABLE not_destroyed: not is_destroyed ensure -- from EV_POSITIONABLE x_position_assigned: x_position = a_x set_y_position (a_y: INTEGER_32) -- Assign a_y to y_position in pixels. -- (from EV_POSITIONABLE) require -- from EV_POSITIONABLE not_destroyed: not is_destroyed ensure -- from EV_POSITIONABLE y_position_assigned: y_position = a_y show_modal_to_window (a_window: EV_WINDOW) -- Show and wait until Current is closed. -- Current is shown modal with respect to a_window. -- (from EV_STANDARD_DIALOG) require -- from EV_STANDARD_DIALOG not_destroyed: not is_destroyed a_window_not_void: a_window /= Void dialog_modeless: blocking_window = Void ensure -- from EV_STANDARD_DIALOG dialog_closed_so_no_blocking_window: not is_destroyed implies blocking_window = Void feature -- Element change set_data (some_data: like data) -- Assign some_data to data. -- (from EV_ANY) require -- from EV_ANY not_destroyed: not is_destroyed ensure -- from EV_ANY data_assigned: data = some_data set_start_directory (a_path: READABLE_STRING_GENERAL) -- Assign a_path to start_directory. require not_destroyed: not is_destroyed a_path_not_void: a_path /= Void a_path_exists: (create {DIRECTORY}.make (a_path)).exists ensure assigned: start_directory.same_string_general (a_path) set_start_path (a_path: PATH) -- Assign a_path to start_path. require not_destroyed: not is_destroyed a_path_not_void: a_path /= Void a_path_exists: (create {DIRECTORY}.make_with_path (a_path)).exists ensure assigned: start_path ~ a_path feature -- Duplication frozen deep_copy (other: EV_DIRECTORY_DIALOG) -- Effect equivalent to that of: -- copy (other . deep_twin) -- (from ANY) require -- from ANY other_not_void: other /= Void ensure -- from ANY deep_equal: deep_equal (Current, other) frozen deep_twin: EV_DIRECTORY_DIALOG -- New object structure recursively duplicated from Current. -- (from ANY) ensure -- from ANY deep_twin_not_void: Result /= Void deep_equal: deep_equal (Current, Result) frozen standard_copy (other: EV_DIRECTORY_DIALOG) -- Copy every field of other onto corresponding field -- of current object. -- (from ANY) require -- from ANY other_not_void: other /= Void type_identity: same_type (other) ensure -- from ANY is_standard_equal: standard_is_equal (other) frozen standard_twin: EV_DIRECTORY_DIALOG -- New object field-by-field identical to other. -- Always uses default copying semantics. -- (from ANY) ensure -- from ANY standard_twin_not_void: Result /= Void equal: standard_equal (Result, Current) frozen twin: EV_DIRECTORY_DIALOG -- New object equal to Current -- twin calls copy; to change copying/twinning semantics, redefine copy. -- (from ANY) ensure -- from ANY twin_not_void: Result /= Void is_equal: Result ~ Current feature -- Basic operations frozen default: detachable EV_DIRECTORY_DIALOG -- Default value of object's type -- (from ANY) frozen default_pointer: POINTER -- Default value of type POINTER -- (Avoid the need to write p.default for -- some p of type POINTER.) -- (from ANY) ensure -- from ANY instance_free: class default_rescue -- Process exception for routines with no Rescue clause. -- (Default: do nothing.) -- (from ANY) frozen do_nothing -- Execute a null action. -- (from ANY) ensure -- from ANY instance_free: class feature -- Command destroy -- Destroy underlying native toolkit object. -- Render Current unusable. -- (from EV_ANY) ensure -- from EV_ANY is_destroyed: is_destroyed feature -- Event handling cancel_actions: EV_NOTIFY_ACTION_SEQUENCE -- Actions to be performed when user cancels. -- (from EV_STANDARD_DIALOG_ACTION_SEQUENCES) ensure -- from EV_STANDARD_DIALOG_ACTION_SEQUENCES not_void: Result /= Void ok_actions: EV_NOTIFY_ACTION_SEQUENCE -- Actions to be performed when user clicks OK. -- Note: This is renamed in some descendents -- i.e. in EV_PRINT_DIALOG it is renamed to print_actions -- and is performed when the user clicks "print". -- (from EV_STANDARD_DIALOG_ACTION_SEQUENCES) ensure -- from EV_STANDARD_DIALOG_ACTION_SEQUENCES not_void: Result /= Void feature -- Output Io: STD_FILES -- Handle to standard file setup -- (from ANY) ensure -- from ANY instance_free: class io_not_void: Result /= Void out: STRING_8 -- New string containing terse printable representation -- of current object -- (from ANY) ensure -- from ANY out_not_void: Result /= Void print (o: detachable ANY) -- Write terse external representation of o -- on standard output. -- (from ANY) ensure -- from ANY instance_free: class frozen tagged_out: STRING_8 -- New string containing terse printable representation -- of current object -- (from ANY) ensure -- from ANY tagged_out_not_void: Result /= Void feature -- Platform Operating_environment: OPERATING_ENVIRONMENT -- Objects available from the operating system -- (from ANY) ensure -- from ANY instance_free: class operating_environment_not_void: Result /= Void feature -- Status Report is_destroyed: BOOLEAN -- Is Current no longer usable? -- (from EV_ANY) ensure -- from EV_ANY bridge_ok: Result = implementation.is_destroyed invariant -- from EV_STANDARD_DIALOG title_not_void: is_usable implies title /= Void -- from EV_ANY is_initialized: is_initialized default_create_called: default_create_called is_coupled: default_create_called implies (implementation.interface = Current or (attached {EV_ENVIRONMENT} Current and then attached implementation.interface)) -- from ANY reflexive_equality: standard_is_equal (Current) reflexive_conformance: conforms_to (Current) -- from EV_POSITIONED width_not_negative: is_usable implies width >= 0 height_not_negative: is_usable implies height >= 0 minimum_width_not_negative: is_usable implies minimum_width >= 0 minimum_height_not_negative: is_usable implies minimum_height >= 0 note copyright: "Copyright (c) 1984-2012, Eiffel Software and others" license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)" source: "[ Eiffel Software 5949 Hollister Ave., Goleta, CA 93117 USA Telephone 805-685-1006, Fax 805-685-6869 Website http://www.eiffel.com Customer support http://support.eiffel.com ]" end -- class EV_DIRECTORY_DIALOG
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