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Changeset 53
Added <r:parent> tag in line with a Radiant mailing list post. The
implementation may change in future in relation to an alternative
approach suggested in a follow-up, but the implementation used in
this revision is good enough for now.
- Comitted by: adh
- Date: Friday August 04 16:26:41 2006 (over 18 years ago)
Affected files:
rool/rails/radiant/trunk/app/models/page_context.rb:
| prev. | current | |
| class PageContext < Radius::Context | ||
| class TagError < StandardError; end | ||
| 3 | | |
| 3 | ||
| attr_reader :page | ||
| 5 | | |
| 5 | ||
| def initialize(page) | ||
| super() | ||
| 8 | | |
| 8 | ||
| @page = page | ||
| globals.page = @page | ||
| ... | ... | |
| tag.locals.page = tag.globals.page | ||
| tag.expand | ||
| end | ||
| 20 | | |
| 20 | ||
| # | ||
| # <r:url /> | ||
| # <r:title /> | ||
| ... | ... | |
| tag.locals.children = tag.locals.page.children | ||
| tag.expand | ||
| end | ||
| 41 | | |
| 41 | ||
| # | ||
| # <r:children:count /> | ||
| # | ||
| ... | ... | |
| define_tag 'children:count' do |tag| | ||
| tag.locals.children.count | ||
| end | ||
| 50 | | |
| 50 | ||
| # | ||
| # <r:children:first>...<r:children:first> | ||
| # | ||
| ... | ... | |
| tag.expand | ||
| end | ||
| end | ||
| 64 | | |
| 64 | ||
| # | ||
| # <r:children:last>...</r:children:last> | ||
| # | ||
| ... | ... | |
| tag.expand | ||
| end | ||
| end | ||
| 78 | | |
| 78 | ||
| # | ||
| 80 | | |
| 80 | # <r:children:each [offset="number"] [limit="number"] [by="attribute"] [order="asc|desc"] | |
| # [status="draft|reviewed|published|hidden|all"]> | ||
| # ... | ||
| # </r:children:each> | ||
| ... | ... | |
| # | ||
| define_tag "children:each" do |tag| | ||
| attr = tag.attr.symbolize_keys | ||
| 90 | | |
| 90 | ||
| options = {} | ||
| 92 | | |
| 92 | ||
| [:limit, :offset].each do |symbol| | ||
| if number = attr[symbol] | ||
| if number =~ /^\d{1,4}$/ | ||
| ... | ... | |
| end | ||
| end | ||
| end | ||
| 102 | | |
| 102 | ||
| by = (attr[:by] || 'published_at').strip | ||
| order = (attr[:order] || 'asc').strip | ||
| order_string = '' | ||
| ... | ... | |
| raise TagError.new(%{`order' attribute of `each' tag must be set to either "asc" or "desc"}) | ||
| end | ||
| options[:order] = order_string | ||
| 117 | | |
| 117 | ||
| status = (attr[:status] || 'published').downcase | ||
| unless status == 'all' | ||
| stat = Status[status] | ||
| ... | ... | |
| else | ||
| options[:conditions] = ["virtual = ?", false] | ||
| end | ||
| 129 | | |
| 129 | ||
| result = [] | ||
| children = tag.locals.children | ||
| tag.locals.previous_headers = {} | ||
| ... | ... | |
| tag.locals.child = item | ||
| tag.locals.page = item | ||
| result << tag.expand | ||
| 137 | | |
| 137 | end | |
| result | ||
| end | ||
| 140 | | |
| 140 | ||
| # | ||
| # <r:child>...</r:child> | ||
| # | ||
| ... | ... | |
| end | ||
| # | ||
| 153 | | |
| 153 | # <r:parent>...</r:parent> | |
| # | ||
| 155 | # Page attribute tags inside of this tag refer to the parent of the current page. | |
| 156 | # Included as a Radiant patch according to Jay Levitt's mailing list post held at | |
| 157 | # "http://www.ruby-forum.com/topic/75229". | |
| 158 | # | |
| 159 | define_tag 'parent' do |tag| | |
| 160 | tag.locals.page = page.parent || page | |
| 161 | tag.expand | |
| 162 | end | |
| 163 | ||
| 164 | # | |
| 165 | # <r:header [name="header_name"] [restart="name1[;name2;...]"]>...</r:header> | |
| 166 | # | |
| # Renders the tag contents only if the contents do not match the previous header. This | ||
| # is extremely useful for rendering date headers for a list of child pages. | ||
| # | ||
| ... | ... | |
| part_page.behavior.render_page_part(part_name) | ||
| end | ||
| end | ||
| 216 | | |
| 228 | ||
| # | ||
| # <r:if_content [part="part_name"]>...</r:if_content> | ||
| # | ||
| ... | ... | |
| tag.expand | ||
| end | ||
| end | ||
| 230 | | |
| 242 | ||
| # | ||
| # <r:unless_content [part="part_name"]>...</r:unless_content> | ||
| # | ||
| ... | ... | |
| tag.expand | ||
| end | ||
| end | ||
| 243 | | |
| 255 | ||
| # | ||
| # <r:if_url matches="regexp" [ignore_case="true|false"]>...</if_url> | ||
| # | ||
| ... | ... | |
| tag.expand | ||
| end | ||
| end | ||
| 258 | | |
| 270 | ||
| # | ||
| # <r:unless_url matches="regexp" [ignore_case="true|false"]>...</unless_url> | ||
| # | ||
| # The opposite of the 'if_url' tag. | ||
| 263 | | |
| 275 | # | |
| define_tag 'unless_url' do |tag| | ||
| raise TagError.new("`unless_url' tag must contain a `matches' attribute.") unless tag.attr.has_key?('matches') | ||
| regexp = build_regexp_for(tag, 'matches') | ||
| ... | ... | |
| tag.expand | ||
| end | ||
| end | ||
| 271 | | |
| 283 | ||
| # | ||
| # <r:author /> | ||
| # | ||
| ... | ... | |
| author.name | ||
| end | ||
| end | ||
| 283 | | |
| 295 | ||
| # | ||
| # <r:date [format="format_string"] /> | ||
| # | ||
| ... | ... | |
| date.strftime(format) | ||
| end | ||
| end | ||
| 299 | | |
| 311 | ||
| # | ||
| # <r:link [anchor="name"] [other attributes...] /> | ||
| # <r:link>...</r:link> | ||
| ... | ... | |
| raise TagError.new("`snippet' tag must contain `name' attribute") | ||
| end | ||
| end | ||
| 355 | | |
| 367 | ||
| # | ||
| # <r:find url="value_to_find">...</r:find> | ||
| # | ||
| ... | ... | |
| raise TagError.new("`find' tag must contain `url' attribute") | ||
| end | ||
| end | ||
| 371 | | |
| 383 | ||
| # | ||
| # <r:random> | ||
| # <r:option>...</r:option> | ||
| # <r:option>...</r:option> | ||
| # ... | ||
| 377 | | |
| 389 | # <r:random> | |
| # | ||
| # Randomly renders one of the options specified by the 'option' tags. | ||
| # | ||
| ... | ... | |
| items = tag.locals.random | ||
| items << tag.block | ||
| end | ||
| 392 | | |
| 404 | ||
| # | ||
| # <r:comment>...</r:comment> | ||
| # | ||
| ... | ... | |
| # | ||
| define_tag 'comment' do |tag| | ||
| end | ||
| 400 | | |
| 412 | ||
| # | ||
| # <r:escape_html>...</r:escape_html> | ||
| # | ||
| ... | ... | |
| define_tag "escape_html" do |tag| | ||
| CGI.escapeHTML(tag.expand) | ||
| end | ||
| 409 | | |
| 421 | ||
| # | ||
| # <r:rfc1123_date /> | ||
| # | ||
| ... | ... | |
| CGI.rfc1123_date(date.to_time) | ||
| end | ||
| end | ||
| 421 | | |
| 433 | ||
| # | ||
| # <r:navigation urls="[Title: url; Title: url; ...]"> | ||
| # <r:normal><a href="<r:url />"><r:title /></a></r:normal> | ||
| ... | ... | |
| hash[symbol] | ||
| end | ||
| end | ||
| 481 | | |
| 493 | ||
| end | ||
| 483 | | |
| 495 | ||
| def render_tag(name, attributes = {}, &block) | ||
| super | ||
| rescue Exception => e | ||
| render_error_message(e.message) | ||
| end | ||
| 489 | | |
| 501 | ||
| def tag_missing(name, attributes = {}, &block) | ||
| super | ||
| rescue Radius::UndefinedTagError => e | ||
| raise TagError.new(e.message) | ||
| end | ||
| 495 | | |
| 507 | ||
| private | ||
| 497 | | |
| 509 | ||
| def render_error_message(message) | ||
| "<div><strong>#{message}</strong></div>" | ||
| end | ||
| 501 | | |
| 513 | ||
| def remove_trailing_slash(string) | ||
| (string =~ %r{^(.*?)/$}) ? $1 : string | ||
| end | ||
| 505 | | |
| 517 | ||
| def tag_part_name(tag) | ||
| tag.attr['part'] || 'body' | ||
| end | ||
| 509 | | |
| 521 | ||
| def tag_time_format(tag) | ||
| (tag.attr['format'] || '%A, %B %d, %Y') | ||
| end | ||
| 513 | | |
| 525 | ||
| def postgres? | ||
| ActiveRecord::Base.connection.adapter_name =~ /postgres/i | ||
| end |
