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- Revision:
- 193
- Log:
First stage commit of Typo 4.1, modified for the ROOL site.
Includes all local modifications but a final pass needs to be
made to delete any files left over from earlier Typo versions
that shouldn't be here anymore. See the 'tags' section of the
repository for a clean Typo 4.1 tree.Note that symlinks to shared files in the RISC OS Open theme
directory have been deliberately included this time around; I
decided that on balance it was better to leave them in as
placeholders, since unlike symlinks in app/views/shared, the
Typo theme structure is not a standard Rails concept.
- Author:
- rool
- Date:
- Wed Apr 04 18:51:02 +0100 2007
- Size:
- 6889 Bytes
| 1 | require 'observer' |
| 2 | require 'set' |
| 3 | |
| 4 | class Content < ActiveRecord::Base |
| 5 | include Observable |
| 6 | |
| 7 | belongs_to :text_filter |
| 8 | belongs_to :blog |
| 9 | validates_presence_of :blog_id |
| 10 | |
| 11 | composed_of :state, :class_name => 'ContentState::Factory', |
| 12 | :mapping => %w{ state memento } |
| 13 | |
| 14 | has_many :notifications, :foreign_key => 'content_id' |
| 15 | has_many :notify_users, :through => :notifications, |
| 16 | :source => 'notify_user', |
| 17 | :uniq => true |
| 18 | |
| 19 | def notify_users=(collection) |
| 20 | return notify_users.clear if collection.empty? |
| 21 | self.class.transaction do |
| 22 | self.notifications.clear |
| 23 | collection.uniq.each do |u| |
| 24 | self.notifications.build(:notify_user => u) |
| 25 | end |
| 26 | notify_users.target = collection |
| 27 | end |
| 28 | end |
| 29 | |
| 30 | has_many :triggers, :as => :pending_item, :dependent => :delete_all |
| 31 | |
| 32 | before_save :state_before_save |
| 33 | after_save :post_trigger, :state_after_save |
| 34 | |
| 35 | serialize :whiteboard |
| 36 | |
| 37 | @@content_fields = Hash.new |
| 38 | @@html_map = Hash.new |
| 39 | |
| 40 | def initialize(*args, &block) |
| 41 | super(*args, &block) |
| 42 | set_default_blog |
| 43 | end |
| 44 | |
| 45 | def invalidates_cache?(on_destruction = false) |
| 46 | if on_destruction |
| 47 | just_changed_published_status? || published? |
| 48 | else |
| 49 | changed? && published? || just_changed_published_status? |
| 50 | end |
| 51 | end |
| 52 | |
| 53 | def set_default_blog |
| 54 | if self.blog_id == nil or self.blog_id == 0 |
| 55 | self.blog = Blog.default |
| 56 | end |
| 57 | end |
| 58 | |
| 59 | class << self |
| 60 | # Quite a bit of this isn't needed anymore. |
| 61 | def content_fields(*attribs) |
| 62 | @@content_fields[self] = ((@@content_fields[self]||[]) + attribs).uniq |
| 63 | @@html_map[self] = nil |
| 64 | attribs.each do | field | |
| 65 | define_method("#{field}=") do | newval | |
| 66 | if self[field] != newval |
| 67 | changed |
| 68 | self[field] = newval |
| 69 | end |
| 70 | self[field] |
| 71 | end |
| 72 | unless self.method_defined?("#{field}_html") |
| 73 | define_method("#{field}_html") do |
| 74 | typo_deprecated "Use html(:#{field})" |
| 75 | html(field.to_sym) |
| 76 | end |
| 77 | end |
| 78 | end |
| 79 | end |
| 80 | |
| 81 | def html_map(field=nil) |
| 82 | unless @@html_map[self] |
| 83 | @@html_map[self] = Hash.new |
| 84 | instance = self.new |
| 85 | @@content_fields[self].each do |attrib| |
| 86 | @@html_map[self][attrib] = true |
| 87 | end |
| 88 | end |
| 89 | if field |
| 90 | @@html_map[self][field] |
| 91 | else |
| 92 | @@html_map[self] |
| 93 | end |
| 94 | end |
| 95 | |
| 96 | def find_published(what = :all, options = {}) |
| 97 | with_scope(:find => {:order => default_order, :conditions => {:published => true}}) do |
| 98 | find what, options |
| 99 | end |
| 100 | end |
| 101 | |
| 102 | def default_order |
| 103 | 'published_at DESC' |
| 104 | end |
| 105 | |
| 106 | def find_already_published(what = :all, at = nil, options = { }) |
| 107 | if what.respond_to?(:has_key?) |
| 108 | what, options = :all, what |
| 109 | elsif at.respond_to?(:has_key?) |
| 110 | options, at = at, nil |
| 111 | end |
| 112 | at ||= options.delete(:at) || Time.now |
| 113 | with_scope(:find => { :conditions => ['published_at < ?', at]}) do |
| 114 | find_published(what, options) |
| 115 | end |
| 116 | end |
| 117 | end |
| 118 | |
| 119 | def content_fields |
| 120 | @@content_fields[self.class] |
| 121 | end |
| 122 | |
| 123 | def state_before_save |
| 124 | state.before_save(self) |
| 125 | end |
| 126 | |
| 127 | def state_after_save |
| 128 | state.after_save(self) |
| 129 | end |
| 130 | |
| 131 | def html_map(field=nil) |
| 132 | self.class.html_map(field) |
| 133 | end |
| 134 | |
| 135 | def cache_key(field) |
| 136 | id ? "contents_html/#{id}/#{field}" : nil |
| 137 | end |
| 138 | |
| 139 | # Return HTML for some part of this object. It will be fetched from the |
| 140 | # cache if possible, or regenerated if needed. |
| 141 | def html(field = :all) |
| 142 | if field == :all |
| 143 | generate_html(:all, content_fields.map{|f| self[f].to_s}.join("\n\n")) |
| 144 | elsif self.class.html_map(field) |
| 145 | generate_html(field) |
| 146 | else |
| 147 | raise "Unknown field: #{field.inspect} in article.html" |
| 148 | end |
| 149 | end |
| 150 | |
| 151 | # Generate HTML for a specific field using the text_filter in use for this |
| 152 | # object. The HTML is cached in the fragment cache, using the +ContentCache+ |
| 153 | # object in @@cache. |
| 154 | def generate_html(field, text = nil) |
| 155 | text ||= self[field].to_s |
| 156 | html = text_filter.filter_text_for_content(blog, text, self) |
| 157 | html ||= text # just in case the filter puked |
| 158 | html_postprocess(field,html).to_s |
| 159 | end |
| 160 | |
| 161 | # Post-process the HTML. This is a noop by default, but Comment overrides it |
| 162 | # to enforce HTML sanity. |
| 163 | def html_postprocess(field,html) |
| 164 | html |
| 165 | end |
| 166 | |
| 167 | def whiteboard |
| 168 | self[:whiteboard] ||= Hash.new |
| 169 | end |
| 170 | |
| 171 | # The default text filter. Generally, this is the filter specified by blog.text_filter, |
| 172 | # but comments may use a different default. |
| 173 | def default_text_filter |
| 174 | blog.text_filter.to_text_filter |
| 175 | end |
| 176 | |
| 177 | # Grab the text filter for this object. It's either the filter specified by |
| 178 | # self.text_filter_id, or the default specified in the blog object. |
| 179 | def text_filter |
| 180 | if self[:text_filter_id] && !self[:text_filter_id].zero? |
| 181 | TextFilter.find(self[:text_filter_id]) |
| 182 | else |
| 183 | default_text_filter |
| 184 | end |
| 185 | end |
| 186 | |
| 187 | # Set the text filter for this object. |
| 188 | def text_filter=(filter) |
| 189 | returning(filter.to_text_filter) { |tf| self.text_filter_id = tf.id } |
| 190 | end |
| 191 | |
| 192 | # Changing the title flags the object as changed |
| 193 | def title=(new_title) |
| 194 | if new_title == self[:title] |
| 195 | self[:title] |
| 196 | else |
| 197 | self.changed |
| 198 | self[:title] = new_title |
| 199 | end |
| 200 | end |
| 201 | |
| 202 | # FIXME -- this feels wrong. |
| 203 | def blog |
| 204 | self[:blog] ||= blog_id.to_i.zero? ? Blog.default : Blog.find(blog_id) |
| 205 | end |
| 206 | |
| 207 | def state=(newstate) |
| 208 | if state |
| 209 | state.exit_hook(self, newstate) |
| 210 | end |
| 211 | @state = newstate |
| 212 | self[:state] = newstate.memento |
| 213 | newstate.enter_hook(self) |
| 214 | @state |
| 215 | end |
| 216 | |
| 217 | def publish! |
| 218 | self.published = true |
| 219 | self.save! |
| 220 | end |
| 221 | |
| 222 | def withdraw |
| 223 | state.withdraw(self) |
| 224 | end |
| 225 | |
| 226 | def withdraw! |
| 227 | self.withdraw |
| 228 | self.save! |
| 229 | end |
| 230 | |
| 231 | def published=(a_boolean) |
| 232 | self[:published] = a_boolean |
| 233 | state.change_published_state(self, a_boolean) |
| 234 | end |
| 235 | |
| 236 | def published_at=(a_time) |
| 237 | state.set_published_at(self, (a_time.to_time rescue nil)) |
| 238 | end |
| 239 | |
| 240 | def published_at |
| 241 | self[:published_at] || self[:created_at] |
| 242 | end |
| 243 | |
| 244 | def published? |
| 245 | state.published?(self) |
| 246 | end |
| 247 | |
| 248 | def just_published? |
| 249 | state.just_published? |
| 250 | end |
| 251 | |
| 252 | def just_changed_published_status? |
| 253 | state.just_changed_published_status? |
| 254 | end |
| 255 | |
| 256 | def withdrawn? |
| 257 | state.withdrawn? |
| 258 | end |
| 259 | |
| 260 | def publication_pending? |
| 261 | state.publication_pending? |
| 262 | end |
| 263 | |
| 264 | def post_trigger |
| 265 | state.post_trigger(self) |
| 266 | end |
| 267 | |
| 268 | def after_save |
| 269 | state.after_save(self) |
| 270 | end |
| 271 | |
| 272 | def send_notification_to_user(user) |
| 273 | notify_user_via_email(user) |
| 274 | notify_user_via_jabber(user) |
| 275 | end |
| 276 | |
| 277 | def send_notifications() |
| 278 | state.send_notifications(self) |
| 279 | end |
| 280 | |
| 281 | # deprecated |
| 282 | def full_html |
| 283 | typo_deprecated "use .html instead" |
| 284 | html |
| 285 | end |
| 286 | |
| 287 | end |
| 288 | |
| 289 | class Object |
| 290 | def to_text_filter |
| 291 | TextFilter.find_by_name(self.to_s) || TextFilter.find_by_name('none') |
| 292 | end |
| 293 | end |
| 294 | |
| 295 | class ContentTextHelpers |
| 296 | include ActionView::Helpers::TagHelper |
| 297 | include ActionView::Helpers::TextHelper |
| 298 | end |
| 299 |
