Updated CMS PAGINATION with the last Jocelyn's suggestion.
Added a node pagination helper, to build the html links and header related to pagination.
This commit is contained in:
jvelilla
@@ -1,44 +0,0 @@
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note
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description: "Paginator builder for CMS nodes."
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date: "$Date$"
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revision: "$Revision$"
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class
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CMS_NODE_PAGINATION_BUILDER
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inherit
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CMS_PAGINATION_BUILDER [CMS_NODE]
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create
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make
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feature {NONE} -- Initialization
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make (a_api: CMS_NODE_API)
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-- Create an object.
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do
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node_api := a_api
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count := 5
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offset := 0
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ensure
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node_api_set: node_api = a_api
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limit_set: count = 5
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offset_set: offset = 0
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end
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node_api: CMS_NODE_API
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-- CMS API.
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feature -- Pager
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items: ITERABLE [CMS_NODE]
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-- <Precursor>.
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do
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--NOTE: the current implementation does not use
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-- order by and ordering.
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create {ARRAYED_LIST [CMS_NODE]} Result.make (0)
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Result := node_api.recent_nodes (offset.as_integer_32, count.as_integer_32)
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end
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end
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138
modules/node/handler/cms_node_pagination_helper.e
Normal file
138
modules/node/handler/cms_node_pagination_helper.e
Normal file
@@ -0,0 +1,138 @@
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note
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description: "Helper class to build the html pagination links and header summary"
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date: "$Date$"
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revision: "$Revision$"
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class
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CMS_NODE_PAGINATION_HELPER
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create
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make
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feature {NONE} -- Initialization
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make (a_req: WSF_REQUEST; a_response: CMS_RESPONSE; a_nodes_count: INTEGER_64)
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-- Create an object with default values.
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do
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make_size (a_req, a_response, a_nodes_count, 5)
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end
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make_size (a_req: WSF_REQUEST; a_response: CMS_RESPONSE; a_nodes_count: INTEGER_64; a_size: NATURAL)
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-- Create an object with a pages of size `a_size'.
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do
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req := a_req
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number_of_nodes := a_nodes_count
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create pager
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pager.set_count (a_size)
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response := a_response
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process
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end
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req: WSF_REQUEST
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-- Current request.
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process
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-- Process request query paraments to build the pager.
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do
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--TODO: at the moment the code looks for hardcoded parameters
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-- sie and page, maybe we can parametrize these names.
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-- Size:limit.
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if
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attached {WSF_STRING} req.query_parameter ("size") as l_size and then
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l_size.is_integer
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then
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pager.set_count (l_size.integer_value.to_natural_32)
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end
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--Page:offset
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if
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attached {WSF_STRING} req.query_parameter ("page") as l_page and then
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l_page.is_integer
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then
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current_page := l_page.integer_value
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if current_page > 1 then
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pager.set_offset (((current_page-1)*(pager.count.to_integer_32)).to_natural_32)
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end
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else
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current_page := 1
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end
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end
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feature -- Access
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pager: CMS_PAGINATION_BUILDER
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-- Paginator.
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current_page: INTEGER
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-- current page.
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number_of_pages: INTEGER_64
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-- total number of pages.
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do
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Result := (number_of_nodes // pager.count.as_integer_32) + 1
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end
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number_of_nodes: INTEGER_64
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-- number of nodes.
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response: CMS_RESPONSE
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-- cms response
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feature -- Paginator
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paging_summary: STRING
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-- Header summary
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-- Current page 1 of n pages.
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do
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create Result.make_from_string ("<p>Items:</p>")
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Result.append ("<p>Current Page:")
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Result.append_integer (current_page)
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Result.append (" of ")
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Result.append_integer_64 (number_of_pages)
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Result.append (" pages</p>")
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end
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build_html_node_paging: STRING
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-- First, [Prev], [Next], Last.
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local
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s: STRING
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lnk: CMS_LOCAL_LINK
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do
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-- NOTE: for development purposes we have the following hardcode output.
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create s.make_empty
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-- pager
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s.append ("<div class=%"col-xs-12%">%N")
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s.append ("<ul class=%"pager%">%N")
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create lnk.make ("First", "nodes/?page=1&size="+pager.count.out)
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s.append ("<li>")
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s.append (response.link (lnk.title, lnk.location, Void))
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s.append ("</li>")
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if (current_page - 1) > 1 then
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create lnk.make ("Prev", "nodes/?page="+ (current_page-1).out +"&size="+pager.count.out)
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s.append ("<li>")
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s.append (response.link (lnk.title, lnk.location, Void))
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s.append ("</li>")
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end
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if (current_page + 1) < number_of_pages then
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create lnk.make ("Next", "nodes/?page="+ (current_page+1).out +"&size="+pager.count.out)
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s.append ("<li>")
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s.append (response.link (lnk.title, lnk.location, Void))
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s.append ("</li>")
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end
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create lnk.make ("Last", "nodes/?page="+ number_of_pages.out +"&size="+pager.count.out)
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s.append ("<li>")
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s.append (response.link (lnk.title, lnk.location, Void))
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s.append ("</li>")
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s.append ("</ul>%N")
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s.append ("<div>%N")
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Result := s
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end
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end
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@@ -3,8 +3,26 @@ note
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date: "$Date$"
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revision: "$Revision$"
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deferred class
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CMS_PAGINATION_BUILDER [G]
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class
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CMS_PAGINATION_BUILDER
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inherit
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ANY
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redefine
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default_create
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end
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feature {NONE} -- Initialization
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default_create
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do
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count := 5
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offset := 0
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ensure then
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limit_set: count = 5
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offset_set: offset = 0
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end
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feature -- Access
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@@ -44,12 +62,6 @@ feature -- Access
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asc_fasle: not order_ascending
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end
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feature -- Pager
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items: ITERABLE [G]
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-- Iterable of G with filters.
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deferred
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end
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feature -- Access
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@@ -41,84 +41,20 @@ feature -- HTTP Methods
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s: STRING
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n: CMS_NODE
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lnk: CMS_LOCAL_LINK
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pager: CMS_NODE_PAGINATION_BUILDER
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number_of_pages: INTEGER_64
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current_page: INTEGER
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l_page_helper: CMS_NODE_PAGINATION_HELPER
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do
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-- At the moment the template is hardcoded, but we can
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-- get them from the configuration file and load them into
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-- the setup class.
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create {GENERIC_VIEW_CMS_RESPONSE} l_response.make (req, res, api)
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l_response.add_variable (node_api.nodes, "nodes")
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create l_page_helper.make (req, l_response, node_api.nodes_count)
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create pager.make (node_api)
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number_of_pages := (node_api.nodes_count // pager.count) + 1
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create s.make_empty
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s.append (l_page_helper.paging_summary)
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s.append (l_page_helper.build_html_node_paging)
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-- Size:limit
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if
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attached {WSF_STRING} req.query_parameter ("size") as l_size and then
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l_size.is_integer
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then
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pager.set_count (l_size.integer_value.to_natural_32)
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end
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--Page:offset
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if
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attached {WSF_STRING} req.query_parameter ("page") as l_page and then
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l_page.is_integer
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then
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current_page := l_page.integer_value
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if current_page > 1 then
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pager.set_offset (((current_page-1)*(pager.count.to_integer_32)).to_natural_32)
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end
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else
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current_page := 1
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end
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-- NOTE: for development purposes we have the following hardcode output.
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create s.make_from_string ("<p>Items:</p>")
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s.append ("<p>Current Page:")
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s.append_integer (current_page)
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s.append (" of ")
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s.append_integer_64 (number_of_pages)
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s.append (" pages</p>")
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-- pager
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s.append ("<div class=%"col-xs-12%">%N")
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s.append ("<ul class=%"pager%">%N")
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create lnk.make ("First", "nodes/?page=1&size="+pager.count.out)
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s.append ("<li>")
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s.append (l_response.link (lnk.title, lnk.location, Void))
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s.append ("</li>")
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if (current_page - 1) > 1 then
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create lnk.make ("Prev", "nodes/?page="+ (current_page-1).out +"&size="+pager.count.out)
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s.append ("<li>")
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s.append (l_response.link (lnk.title, lnk.location, Void))
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s.append ("</li>")
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end
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if (current_page + 1) < number_of_pages then
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create lnk.make ("Next", "nodes/?page="+ (current_page+1).out +"&size="+pager.count.out)
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s.append ("<li>")
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s.append (l_response.link (lnk.title, lnk.location, Void))
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s.append ("</li>")
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end
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create lnk.make ("Last", "nodes/?page="+ number_of_pages.out +"&size="+pager.count.out)
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s.append ("<li>")
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s.append (l_response.link (lnk.title, lnk.location, Void))
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s.append ("</li>")
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s.append ("</ul>%N")
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s.append ("<div>%N")
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if attached pager.items as lst then
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if attached node_api.recent_nodes (l_page_helper.pager) as lst then
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s.append ("<ul class=%"cms-nodes%">%N")
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across
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lst as ic
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@@ -132,6 +68,8 @@ feature -- HTTP Methods
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s.append ("</ul>%N")
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end
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s.append (l_page_helper.build_html_node_paging)
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l_response.set_main_content (s)
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l_response.add_block (create {CMS_CONTENT_BLOCK}.make ("nodes_warning", Void, "/nodes/ is not yet fully implemented<br/>", Void), "highlighted")
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l_response.execute
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