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note description: "Representation of a row of an EV_GRID" date: "$Date: 2016-09-27 07:50:48 -0800 (Tue, 27 Sep 2016) $" legal: "See notice at end of class." status: "See notice at end of class." revision: "$Revision: 99192 $" class interface EV_GRID_ROW create {EV_GRID, EV_GRID_I} 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 feature -- Access background_color: detachable EV_COLOR -- Color displayed as background of Current except where there are items contained that -- have a non-Void background_color. If Void, background_color of parent is displayed. -- See header of EV_GRID for a description of this behavior. require not_destroyed: not is_destroyed is_parented: parent /= Void collapse_actions: EV_NOTIFY_ACTION_SEQUENCE -- Actions to be performed when Current is collapsed. -- (from EV_GRID_ROW_ACTION_SEQUENCES) ensure -- from EV_GRID_ROW_ACTION_SEQUENCES result_not_void: Result /= Void data: detachable ANY -- Arbitrary user data may be stored here. -- (from EV_ANY) deselect_actions: EV_NOTIFY_ACTION_SEQUENCE -- Actions to be performed when Current is deselected. -- (from EV_GRID_ROW_ACTION_SEQUENCES) ensure -- from EV_GRID_ROW_ACTION_SEQUENCES result_not_void: Result /= Void expand_actions: EV_NOTIFY_ACTION_SEQUENCE -- Actions to be performed when Current is expanded. -- (from EV_GRID_ROW_ACTION_SEQUENCES) ensure -- from EV_GRID_ROW_ACTION_SEQUENCES result_not_void: Result /= Void foreground_color: detachable EV_COLOR -- Color displayed for foreground features of Current except where there are items contained that -- have a non-Void foreground_color. If Void, foreground_color of parent is displayed. -- See header of EV_GRID for a description of this behavior. require not_destroyed: not is_destroyed is_parented: parent /= Void generating_type: TYPE [detachable EV_GRID_ROW] -- 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 has_subrow (a_row: EV_GRID_ROW): BOOLEAN -- Is a_row a child of Current? require not_destroyed: not is_destroyed a_row_not_void: a_row /= Void is_parented: parent /= Void ensure has_subrow_same_parent: Result implies ((a_row.parent /= Void and parent /= Void) and then a_row.parent = parent) height: INTEGER_32 -- Height of Current when displayed in a parent -- that has is_row_height_fixed set to False. -- Note that height is ignored if the parent has -- is_row_height_fixed set to True and then all rows -- are displayed with identical heights set to parent.row_height. require not_destroyed: not is_destroyed is_parented: parent /= Void ensure result_not_negative: Result >= 0 index_of_first_item: INTEGER_32 -- Return the index of the first non Void item within Current -- or 0 if none. require not_destroyed: not is_destroyed is_parented: parent /= Void ensure valid_result: Result >= 0 and Result <= count is_displayed: BOOLEAN -- Is Current visible on the screen? -- True when show requested and parent displayed. -- A row that is_displayed does not necessarily have to be visible on screen at that particular time. -- For example, its parent_row (if any) may not be expanded or visible, or the position of Current may not -- be within the visible area of parent. require not_destroyed: not is_destroyed ensure bridge_ok: Result = implementation.is_displayed is_expandable: BOOLEAN -- May Current be expanded? require not_destroyed: not is_destroyed is_parented: parent /= Void is_expanded: BOOLEAN -- Are subrows of Current displayed? require not_destroyed: not is_destroyed is_parented: parent /= Void is_part_of_tree_structure: BOOLEAN -- Is Current part of a tree structure within parent_i? require not_destroyed: not is_destroyed is_parented: parent /= Void ensure result_valid: Result = (parent_row /= Void or else subrow_count > 0) is_show_requested: BOOLEAN -- May Current be displayed? -- Will return False if hide has been called on Current. require not_destroyed: not is_destroyed is_parented: parent /= Void item (i: INTEGER_32): detachable EV_GRID_ITEM -- Item at i-th column, Void if none. require not_destroyed: not is_destroyed i_within_bounds: i > 0 and i <= count is_parented: parent /= Void parent: detachable EV_GRID -- Grid to which current row belongs. require not_destroyed: not is_destroyed parent_row: detachable EV_GRID_ROW -- Parent row of Current if any, Void otherwise. require not_destroyed: not is_destroyed is_parented: parent /= Void ensure result_void_when_tree_node_enabled: (parent = Void) or (parent /= Void and then not attached_parent.is_tree_enabled) implies Result = Void has_parent: Result /= Void implies Result.has_subrow (Current) parent_row_root: detachable EV_GRID_ROW -- Parent row which is the root of the tree structure -- in which Current is contained. May be Current if -- Current is the root node of a tree structure. require not_destroyed: not is_destroyed is_parented: parent /= Void ensure result_consistent_with_parent_tree_properties: (parent = Void or else not attached_parent.is_tree_enabled) = (Result = Void) select_actions: EV_NOTIFY_ACTION_SEQUENCE -- Actions to be performed when Current is selected. -- (from EV_GRID_ROW_ACTION_SEQUENCES) ensure -- from EV_GRID_ROW_ACTION_SEQUENCES result_not_void: Result /= Void selected_items: ARRAYED_LIST [EV_GRID_ITEM] -- All items selected in Current. require not_destroyed: not is_destroyed is_parented: parent /= Void ensure result_not_void: Result /= Void valid_count: Result.count <= count subrow (i: INTEGER_32): EV_GRID_ROW -- i-th child of Current. require not_destroyed: not is_destroyed is_parented: parent /= Void i_positive: i > 0 i_less_than_subrow_count: i <= subrow_count ensure subrow_not_void: Result /= Void subrow_valid: (Result.parent /= Void) and then has_subrow (Result) and then Result.parent_row = Current virtual_y_position: INTEGER_32 -- Vertical offset of Current in relation to the -- the virtual area of parent grid in pixels. -- Result is 0 if parent is Void. require not_destroyed: not is_destroyed is_parented: parent /= Void ensure parent_void_implies_result_zero: parent = Void implies Result = 0 virtual_y_position_unlocked: INTEGER_32 -- Vertical offset of unlocked position of Current, in relation to the -- virtual area of parent grid in pixels. -- If not is_locked, then virtual_y_position = unlocked_virtual_y_position. -- If is_locked then Result is the "shadow" position where the row would -- be if not locked. require not_destroyed: not is_destroyed is_parented: parent /= Void ensure parent_void_implies_result_zero: parent = Void implies Result = 0 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_GRID_ROW): 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_GRID_ROW): 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_GRID_ROW): 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 count: INTEGER_32 -- Number of items in current. require not_destroyed: not is_destroyed is_parented: parent /= Void ensure count_not_negative: count >= 0 index: INTEGER_32 -- Position of Current in parent. require not_destroyed: not is_destroyed is_parented: parent /= Void ensure index_positive: Result > 0 index_less_than_row_count: Result <= attached_parent.row_count is_locked: BOOLEAN -- Is Current locked so that it no longer scrolls? is_selectable: BOOLEAN -- May enable_select be called? -- (from EV_SELECTABLE) require -- from EV_SELECTABLE not_destroyed: not is_destroyed is_selected: BOOLEAN -- Is selected? -- (from EV_SELECTABLE) require -- from EV_SELECTABLE not_destroyed: not is_destroyed ensure -- from EV_SELECTABLE bridge_ok: is_selectable implies Result = implementation.is_selected locked_position: INTEGER_32 -- Locked position of Current from top edge of viewable area of parent. -- Result is 0 if not is_locked. ensure not_locked_implies_result_zero: not is_locked implies Result = 0 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)) subrow_count: INTEGER_32 -- Number of children. require not_destroyed: not is_destroyed is_parented: parent /= Void ensure subrow_count_non_negative: subrow_count >= 0 subrow_count_in_range: subrow_count <= (attached_parent.row_count - index) subrow_count_recursive: INTEGER_32 -- Number of child rows and their child rows recursively. require not_destroyed: not is_destroyed is_parented: parent /= Void ensure subrow_count_recursive_greater_or_equal_to_subrow_count: subrow_count_recursive >= subrow_count subrow_count_recursive_in_range: subrow_count_recursive <= (attached_parent.row_count - index) feature -- Status setting collapse -- Hide all subrows of Current. require not_destroyed: not is_destroyed is_parented: parent /= Void ensure not_is_expanded: action_sequence_call_counter = old action_sequence_call_counter implies not is_expanded disable_select -- Deselect the object. -- (from EV_DESELECTABLE) require -- from EV_DESELECTABLE not_destroyed: not is_destroyed ensure -- from EV_DESELECTABLE unselected: action_sequence_call_counter = old action_sequence_call_counter implies not is_selected enable_select -- Make is_selected True. -- (from EV_SELECTABLE) require -- from EV_SELECTABLE not_destroyed: not is_destroyed is_selectable: is_selectable ensure -- from EV_SELECTABLE is_selected: action_sequence_call_counter = old action_sequence_call_counter implies is_selected ensure_expandable -- Ensure Current displays an expand pixmap to simulate a row_count greater than 0. -- May be used for dynamic behavior by filling subrows upon firing of grid.row_expand_actions. -- If no items are added to Current during the firing of grid.row_expand_actions then -- Current is no longer expandable. This may be re-instated by calling ensure_expandable again -- from grid.row_expand_actions. Note that once a subrow is added to Current after a call to -- ensure_expandable, it is no longer be displayed as expandable if all subrows are then removed. -- In this case, you must explicitly call ensure_expandable again after removing all subrows. require not_destroyed: not is_destroyed parented: parent /= Void parent_tree_enabled: attached_parent.is_tree_enabled ensure is_expandable: is_expandable ensure_non_expandable -- Restore expanded state of Current after a call to ensure_expandable. Note that if a row -- has one or more subrows, it is always drawn as expanded, hence the "no_subrows_contained" precondition. require not_destroyed: not is_destroyed no_subrows_contained: subrow_count = 0 parented: parent /= Void ensure not_is_expandable: not is_expandable ensure_visible -- Ensure Current is visible in viewable area of parent. require not_destroyed: not is_destroyed parented: parent /= Void is_displayed: is_displayed ensure parent_virtual_x_position_unchanged: old attached_parent.virtual_x_position = attached_parent.virtual_x_position to_implement_assertion ("old_is_visible_implies_vertical_position_not_changed") row_visible_when_heights_fixed_in_parent: attached_parent.is_row_height_fixed implies virtual_y_position >= attached_parent.virtual_y_position and virtual_y_position + attached_parent.row_height <= attached_parent.virtual_y_position + (attached_parent.viewable_height).max (attached_parent.row_height) row_visible_when_heights_not_fixed_in_parent: not attached_parent.is_row_height_fixed implies virtual_y_position >= attached_parent.virtual_y_position and virtual_y_position + height <= attached_parent.virtual_y_position + (attached_parent.viewable_height).max (height) expand -- Display all subrows of Current. require not_destroyed: not is_destroyed is_parented: parent /= Void is_expandable: is_expandable ensure is_expanded: action_sequence_call_counter = old action_sequence_call_counter implies (is_expanded or subrow_count = 0) hide -- Prevent Current from being shown in parent. require not_destroyed: not is_destroyed parented: parent /= Void ensure not_is_show_requested: not is_show_requested lock -- Ensure is_locked is True. -- Current is locked at it's current vertical offset from -- the top edge of the viewable area of parent. ensure is_locked: is_locked locked_position_set: locked_position = virtual_y_position - attached_parent.virtual_y_position lock_at_position (a_position: INTEGER_32) -- Ensure is_locked is True with the vertical offset from -- the top edge of the viewable area of parent set to a_position. ensure is_locked: is_locked locked_position_set: locked_position = a_position redraw -- Force all items within Current to be re-drawn when next idle. require not_destroyed: not is_destroyed parented: parent /= Void set_background_color (a_color: like background_color) -- Set background_color with a_color. require not_destroyed: not is_destroyed is_parented: parent /= Void ensure background_color_set: background_color = a_color set_foreground_color (a_color: like foreground_color) -- Set foreground_color with a_color. require not_destroyed: not is_destroyed is_parented: parent /= Void ensure foreground_color_set: foreground_color = a_color set_height (a_height: INTEGER_32) -- Assign a_height to height. require not_destroyed: not is_destroyed is_parented: parent /= Void not_is_row_height_fixed: attached parent as l_parent and then not l_parent.is_row_height_fixed height_valid: a_height >= 0 ensure height_set: height = a_height show -- Ensure Current is shown in parent. require not_destroyed: not is_destroyed parented: parent /= Void ensure is_show_requested: is_show_requested toggle -- Change is_selected. -- (from EV_DESELECTABLE) require -- from EV_DESELECTABLE not_is_destroyed: not is_destroyed can_be_selected: not is_selected implies is_selectable ensure -- from EV_DESELECTABLE is_selected_changed: action_sequence_call_counter = old action_sequence_call_counter implies is_selected /= old is_selected unlock -- Ensure is_locked is False. ensure not_is_locked: not is_locked feature -- Element change add_subrow (a_row: EV_GRID_ROW) -- Make a_row a child row of Current. require not_destroyed: not is_destroyed is_parented: parent /= Void a_row_not_void: a_row /= Void a_row_is_parented: a_row.parent /= Void a_row_is_not_current: a_row /= Current a_row_is_not_a_subrow: a_row.parent_row = Void same_parent: a_row.parent = parent parent_enabled_as_tree: attached_parent.is_tree_enabled a_row_is_below_current: a_row.index > index all_rows_between_row_and_current_are_subrows: a_row.index = index + subrow_count_recursive + 1 row_not_empty_implies_row_index_of_first_item_greater_or_equal_to_index_of_first_item: a_row.index_of_first_item > 0 implies a_row.index_of_first_item >= index_of_first_item ensure added: a_row.parent_row = Current subrow (subrow_count) = a_row clear -- Remove all items from Current. require not_destroyed: not is_destroyed is_parented: parent /= Void ensure cleared: index_of_first_item = 0 insert_subrow (subrow_index: INTEGER_32) -- Add a new row to parent as a subrow of Current -- with index in subrows of Current given by subrow_index. require not_destroyed: not is_destroyed is_parented: parent /= Void parent_enabled_as_tree: attached_parent.is_tree_enabled valid_subrow_index: subrow_index >= 1 and subrow_index <= subrow_count + 1 ensure subrow_count_increased: subrow_count = old subrow_count + 1 parent_row_count_increased: attached_parent.row_count = old attached_parent.row_count + 1 insert_subrows (rows_to_insert, subrow_index: INTEGER_32) -- Add rows_to_insert rows to parent as a subrow of Current -- with index in subrows of Current given by subrow_index. require not_destroyed: not is_destroyed is_parented: parent /= Void parent_enabled_as_tree: attached_parent.is_tree_enabled rows_to_insert_positive: rows_to_insert >= 1 valid_subrow_index: subrow_index >= 1 and subrow_index <= subrow_count + 1 ensure subrow_count_increased: subrow_count = old subrow_count + rows_to_insert parent_row_count_increased: attached_parent.row_count = old attached_parent.row_count + rows_to_insert remove_subrow (a_row: EV_GRID_ROW) -- Ensure that a_row is no longer a child row of Current. -- Does not remove a_row from parent_i. require not_destroyed: not is_destroyed is_parented: parent /= Void a_row_not_void: a_row /= Void a_row_is_parented: a_row.parent /= Void a_row_is_not_current: a_row /= Current a_row_is_a_subrow: a_row.parent_row = Current same_parent: a_row.parent = parent parent_enabled_as_tree: attached_parent.is_tree_enabled row_is_final_subrow_in_tree_structure: attached parent_row_root as l_parent_row_root and then a_row.index + a_row.subrow_count_recursive = l_parent_row_root.index + l_parent_row_root.subrow_count_recursive ensure removed: a_row.parent_row = Void subrow_count_decreased: subrow_count = old subrow_count - 1 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_item (i: INTEGER_32; a_item: detachable EV_GRID_ITEM) -- Set item at i-th column to be a_item. -- If a_item is Void, the current item (if any) is removed. require not_destroyed: not is_destroyed i_positive: i > 0 a_item_not_parented: a_item /= Void implies a_item.parent = Void is_parented: parent /= Void is_index_valid_for_item_insertion_if_subrow: a_item /= Void and then is_part_of_tree_structure implies is_index_valid_for_item_setting_if_tree_node (i) is_index_valid_for_item_removal_if_subrow: a_item = Void and then is_part_of_tree_structure implies is_index_valid_for_item_removal_if_tree_node (i) ensure item_set: item (i) = a_item feature -- Duplication frozen deep_copy (other: EV_GRID_ROW) -- 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_GRID_ROW -- 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_GRID_ROW) -- 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_GRID_ROW -- 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_GRID_ROW -- 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_GRID_ROW -- 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 -- Implementation attached_parent: attached like parent -- Attached parent require parent /= Void feature -- Command destroy -- Destroy underlying native toolkit object. -- Render Current unusable. -- (from EV_ANY) ensure -- from EV_ANY is_destroyed: is_destroyed feature -- Contract support is_index_valid_for_item_removal_if_tree_node (a_index: INTEGER_32): BOOLEAN -- May an item be removed from Current at index a_index if Current is a tree node. require is_part_of_tree_structure: is_part_of_tree_structure index_valid: a_index > 0 and then a_index <= count is_index_valid_for_item_setting_if_tree_node (a_index: INTEGER_32): BOOLEAN -- May an item be set in Current at index a_index if Current is a tree node. require is_part_of_tree_structure: is_part_of_tree_structure index_valid: a_index > 0 feature -- Markers fixme (comment: READABLE_STRING_8) -- Mark code that has to be "fixed" with comment. -- (from REFACTORING_HELPER) require -- from REFACTORING_HELPER comment_not_void: comment /= Void ensure -- from REFACTORING_HELPER instance_free: class to_implement (comment: READABLE_STRING_8) -- Mark code that has to be "implemented" with comment. -- (from REFACTORING_HELPER) require -- from REFACTORING_HELPER comment_not_void: comment /= Void ensure -- from REFACTORING_HELPER instance_free: class to_implement_assertion (comment: READABLE_STRING_8): BOOLEAN -- Mark assertion that has to be "implemented" with comment. -- (from REFACTORING_HELPER) require -- from REFACTORING_HELPER comment_not_void: comment /= Void ensure -- from REFACTORING_HELPER instance_free: class 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 tree_disabled_in_parent_implies_no_subrows: parent /= Void and then not attached_parent.is_tree_enabled implies subrow_count = 0 virtual_position_and_virtual_position_unlocked_equal_when_not_locked: not is_locked implies virtual_y_position = virtual_y_position_unlocked -- from ANY reflexive_equality: standard_is_equal (Current) reflexive_conformance: conforms_to (Current) -- from EV_DESELECTABLE not_selectable_therefore_not_selected: not is_selectable implies not is_selected -- 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)) note copyright: "Copyright (c) 1984-2014, 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_GRID_ROW
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