Refactor directory structrue

library/model/src/link/cms_local_link.e

@@ -0,0 +1,173 @@
+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