Moved more components from CMS to wsf_html.

This includes WSF_PAGER, and feature in WSF_THEME .. including WSF_API_OPTIONS
used to compute url and link.

library/server/wsf_html/widget/wsf_with_css_class.e

@@ -0,0 +1,109 @@
+note
+	description: "Summary description for {WSF_WITH_CSS_CLASS}."
+	date: "$Date$"
+	revision: "$Revision$"
+
+deferred class
+	WSF_WITH_CSS_CLASS
+
+feature -- Status report
+
+	css_classes: detachable LIST [READABLE_STRING_8]
+
+feature -- Change
+
+	reset_css_classes
+		do
+			css_classes := Void
+		end
+
+	add_css_classes (a_classes: detachable ITERABLE [READABLE_STRING_8])
+		do
+			if a_classes /= Void then
+				across
+					a_classes as c
+				loop
+					add_css_class (c.item)
+				end
+			end
+		end
+
+	add_css_class (a_class: READABLE_STRING_8)
+		require
+			is_valid_css_class: is_valid_css_class (a_class)
+		local
+			lst: like css_classes
+		do
+			lst := css_classes
+			if lst = Void then
+				create {ARRAYED_LIST [READABLE_STRING_8]} lst.make (1)
+				lst.compare_objects
+				css_classes := lst
+			end
+			lst.force (a_class)
+		end
+
+	remove_css_class (a_class: READABLE_STRING_8)
+		require
+			is_valid_css_class: is_valid_css_class (a_class)
+		local
+			lst: like css_classes
+		do
+			lst := css_classes
+			if lst /= Void then
+				lst.prune_all (a_class)
+			end
+		end
+
+feature -- Query
+
+	is_valid_css_class (s: detachable READABLE_STRING_8): BOOLEAN
+		do
+			Result := s /= Void implies (not s.is_empty)
+			-- To complete
+		end
+
+feature -- Conversion
+
+	append_css_class_to (a_target: STRING; a_additional_classes: detachable ITERABLE [READABLE_STRING_8])
+		local
+			f: BOOLEAN
+			cl: READABLE_STRING_8
+		do
+			if css_classes /= Void or a_additional_classes /= Void then
+				a_target.append (" class=%"")
+				f := True -- is first
+
+				if attached css_classes as l_classes then
+					across
+						l_classes as c
+					loop
+						cl := c.item
+						if not cl.is_empty then
+							if f then
+								f := False
+							else
+								a_target.append_character (' ')
+							end
+							a_target.append (cl)
+						end
+					end
+				end
+				if attached a_additional_classes as l_classes then
+					across
+						l_classes as c
+					loop
+						cl := c.item
+						if not cl.is_empty then
+							if not f then
+								a_target.append_character (' ')
+							end
+							a_target.append (cl)
+						end
+					end
+				end
+				a_target.append_character ('%"')
+			end
+		end
+
+end