Files
ROC/library/model/src/link/cms_local_link.e
2014-11-13 11:57:36 -03:00

174 lines
3.1 KiB
Plaintext

note
description: "[
Abstraction to represent a link to a CMS resource.
]"
date: "$Date$"
revision: "$Revision$"
class
CMS_LOCAL_LINK
inherit
CMS_LINK
CMS_LINK_COMPOSITE
rename
items as children,
extend as add_link,
remove as remove_link
end
create
make
feature {NONE} -- Initialization
make (a_title: detachable like title; a_location: like location)
-- Create current local link with optional title `a_title' and location `a_location'.
do
if a_title /= Void then
title := a_title
else
title := a_location
end
location := a_location
end
feature -- Access
permission_arguments: detachable ITERABLE [READABLE_STRING_8]
-- Permissions required by current link resource.
children: detachable LIST [CMS_LINK]
-- <Precursor>
feature -- Status report
is_active: BOOLEAN
-- <Precursor>
is_expanded: BOOLEAN
-- <Precursor>
do
Result := is_expandable and then internal_is_expanded
end
is_collapsed: BOOLEAN
-- <Precursor>
do
Result := is_expandable and then internal_is_collapsed
end
is_expandable: BOOLEAN
-- <Precursor>
do
Result := internal_is_expandable or internal_is_expanded or has_children
end
has_children: BOOLEAN
-- <Precursor>
do
Result := attached children as l_children and then not l_children.is_empty
end
feature -- Element change
add_link (lnk: CMS_LINK)
-- <Precursor>
local
lst: like children
do
lst := children
if lst = Void then
create {ARRAYED_LIST [CMS_LINK]} lst.make (1)
children := lst
end
lst.force (lnk)
end
remove_link (lnk: CMS_LINK)
-- <Precursor>
local
lst: like children
do
lst := children
if lst /= Void then
lst.prune_all (lnk)
if lst.is_empty then
children := Void
end
end
end
set_children (lst: like children)
-- Set `children' to `lst'.
do
children := lst
ensure
children_set: children = lst
end
set_permission_arguments (args: like permission_arguments)
-- Set `permission_arguments' to `args'.
do
permission_arguments := args
ensure
permission_arguments_set: permission_arguments = args
end
feature -- Status change
set_is_active (b: BOOLEAN)
-- Set `is_active' to `b'.
do
is_active := b
ensure
is_active: is_active = b
end
set_expanded (b: like is_expanded)
-- Set `is_expanded' to `b'.
do
if b then
set_expandable (True)
set_collapsed (False)
end
internal_is_expanded := b
ensure
is_expanded: is_expanded = b
end
set_collapsed (b: like is_collapsed)
-- Set `is_collapsed' to `b'.
do
if b then
set_expanded (False)
end
internal_is_collapsed := b
ensure
is_collapsed: is_collapsed= b
end
set_expandable (b: like is_expandable)
-- Set `is_expandable' to `b'.
do
internal_is_expandable := b
ensure
is_expandable: is_expandable = b
end
feature {NONE} -- Implementation
internal_is_expandable: BOOLEAN
internal_is_expanded: BOOLEAN
internal_is_collapsed: BOOLEAN
invariant
note
copyright: "2011-2014, Javier Velilla, Jocelyn Fiat, Eiffel Software and others"
license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
end