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.
2013-03-26 14:17:10 +01:00
parent 2eb9abeb37
commit a23871ff5b
18 changed files with 593 additions and 438 deletions
--- a/library/server/wsf_html/widget/wsf_widget_pager.e
+++ b/library/server/wsf_html/widget/wsf_widget_pager.e
@@ -0,0 +1,167 @@
+note
+	description: "Summary description for {WSF_WIDGET_PAGER}."
+	author: ""
+	date: "$Date$"
+	revision: "$Revision$"
+
+class
+	WSF_WIDGET_PAGER
+
+inherit
+	WSF_WIDGET
+
+create
+	make
+
+feature {NONE} -- Initialization
+
+	make (tpl: READABLE_STRING_8; a_lower, a_upper: NATURAL_64; a_step: NATURAL_64)
+		do
+			create template.make (tpl)
+			lower := a_lower
+			upper := a_upper
+			step := a_step
+		end
+
+feature -- Change
+
+	set_active_range (a_lower, a_upper: NATURAL_64)
+		do
+			if a_upper = 0 then
+				active_range := [{NATURAL_64} 1, {NATURAL_64} 0]
+			elseif a_lower > 0 and a_lower <= a_upper then
+				active_range := [a_lower, a_upper]
+			else
+				active_range := Void
+			end
+		ensure
+			valid_range: attached active_range as rg implies (rg.upper = 0 or else rg.lower <= rg.upper)
+		end
+
+feature -- Access
+
+	template: URI_TEMPLATE
+
+	lower: NATURAL_64
+
+	upper: NATURAL_64
+
+	step: NATURAL_64
+
+	active_range: detachable TUPLE [lower_index, upper_index: NATURAL_64]
+
+feature -- Conversion
+
+	to_html (a_theme: WSF_THEME): STRING_8
+		do
+			create Result.make (1024)
+			append_to_html (a_theme, Result)
+		end
+
+	append_to_html (a_theme: WSF_THEME; a_html: STRING_8)
+		local
+			l_step: INTEGER
+			nb: INTEGER
+			curr: INTEGER
+			n, i: INTEGER
+			tb: HASH_TABLE [detachable ANY, STRING_8]
+		do
+			a_html.append ("<div")
+			a_html.append_character ('>')
+			nb := ((upper - lower) // step).to_integer_32 + 1
+			if nb > 1 then
+				if attached active_range as rg then
+					if rg.upper_index = 0 then
+						-- all
+					else
+						curr := ((rg.lower_index - lower) // step).to_integer_32
+						if step * curr.to_natural_64 < rg.lower_index then
+							curr := curr + 1
+						end
+					end
+				end
+
+				l_step := step.to_integer_32
+				create tb.make (2)
+				tb.force (1, "lower")
+				tb.force (step, "upper")
+				if curr > 1 then
+					if curr > 2 then
+						tb.force (1, "lower")
+						tb.force (l_step, "upper")
+
+						a_html.append_character (' ')
+						append_link_to_html (a_theme, "<<", template.expanded_string (tb), a_html)
+						a_html.append_character (' ')
+					end
+
+					tb.force ((curr - 1) * l_step + 1, "lower")
+					tb.force ((curr    ) * l_step    , "upper")
+
+					a_html.append_character (' ')
+					append_link_to_html (a_theme, "<", template.expanded_string (tb), a_html)
+					a_html.append_character (' ')
+				end
+
+				from
+					i := (curr - 1).max (1)
+					n := 5
+				until
+					n = 0 or i > nb
+				loop
+					a_html.append_character (' ')
+
+					tb.force ((i - 1) * l_step + 1, "lower")
+					tb.force ((i    ) * l_step    , "upper")
+
+					if i = curr then
+						a_html.append ("<strong>")
+					end
+					append_link_to_html (a_theme, i.out, template.expanded_string (tb), a_html)
+					if i = curr then
+						a_html.append ("</strong>")
+					end
+
+					a_html.append_character (' ')
+
+					i := i + 1
+					n := n - 1
+				end
+
+				if curr < nb then
+					a_html.append_character (' ')
+					tb.force ((curr    ) * l_step + 1, "lower")
+					tb.force ((curr + 1) * l_step    , "upper")
+					append_link_to_html (a_theme, ">", template.expanded_string (tb), a_html)
+					a_html.append_character (' ')
+
+					if curr + 1 < nb then
+						tb.force ((nb - 1) * l_step + 1, "lower")
+						tb.force ( upper , "upper")
+
+						a_html.append_character (' ')
+						append_link_to_html (a_theme, ">>", template.expanded_string (tb), a_html)
+						a_html.append_character (' ')
+					end
+				end
+				a_html.append_character (' ')
+				tb.force (1, "lower")
+				tb.force (upper , "upper")
+				append_link_to_html (a_theme, "all", template.expanded_string (tb), a_html)
+				a_html.append_character (' ')
+			end
+
+			a_html.append ("</div>")
+			debug
+				a_html.append ("curr=" + curr.out +" step=" + step.out + " nb=" + nb.out)
+			end
+		end
+
+feature -- Factory
+
+	append_link_to_html (a_theme: WSF_THEME; a_text: detachable READABLE_STRING_GENERAL; a_path: STRING; a_html: STRING_8)
+		do
+			a_theme.append_link_to_html (a_text, a_path, Void, a_html)
+		end
+
+end