Improve pagination in changeset details

[rails.git] / app / helpers / browse_helper.rb

diff --git a/app/helpers/browse_helper.rb b/app/helpers/browse_helper.rb
index 07dd866ba831f4ef10e4708a72184990a2ba880d..b3145ebced39d71799b8435f6998cc51f607dced 100644 (file)
--- a/app/helpers/browse_helper.rb
+++ b/app/helpers/browse_helper.rb
@@ -1,21 +1,44 @@
 module BrowseHelper
-  def link_to_page(page, page_param)
-    return link_to(page, page_param => page)
-  end
-  
   def printable_name(object, version=false)
-    name = t 'printable_name.with_id', :id => object.id.to_s
+    if object.id.is_a?(Array)
+      id = object.id[0]
+    else
+      id = object.id
+    end
+    name = t 'printable_name.with_id', :id => id.to_s
     if version
       name = t 'printable_name.with_version', :id => name, :version => object.version.to_s
     end
-    if object.tags.include? "name:#{I18n.locale}"
-      name = t 'printable_name.with_name',  :name => object.tags["name:#{I18n.locale}"].to_s, :id => name
-    elsif object.tags.include? 'name'
-      name = t 'printable_name.with_name',  :name => object.tags['name'].to_s, :id => name
+
+    # don't look at object tags if redacted, so as to avoid giving
+    # away redacted version tag information.
+    unless object.redacted?
+      if object.tags.include? "name:#{I18n.locale}"
+        name = t 'printable_name.with_name',  :name => object.tags["name:#{I18n.locale}"].to_s, :id => name
+      elsif object.tags.include? 'name'
+        name = t 'printable_name.with_name',  :name => object.tags['name'].to_s, :id => name
+      end
     end
+
     return name
   end
 
+  def link_class(type, object)
+    if object.redacted?
+      type + " deleted"
+    else
+      type + " " + h(icon_tags(object).join(' ')) + (object.visible == false ? ' deleted' : '')
+    end
+  end
+
+  def link_title(object)
+    if object.redacted?
+      ""
+    else
+      h(icon_tags(object).map { |k,v| k + '=' + v }.to_sentence)
+    end
+  end
+
   def format_key(key)
     if url = wiki_link("key", key)
       link_to h(key), url, :title => t('browse.tag_details.wiki_link.key', :key => key)
@@ -26,7 +49,7 @@ module BrowseHelper
 
   def format_value(key, value)
     if wp = wikipedia_link(key, value)
-      link_to h(wp['title']), wp['url'], :title => t('browse.tag_details.wiki_link.wikipedia', :page => wp['title'])
+      link_to h(wp[:title]), wp[:url], :title => t('browse.tag_details.wikipedia_link', :page => wp[:title])
     elsif url = wiki_link("tag", "#{key}=#{value}")
       link_to h(value), url, :title => t('browse.tag_details.wiki_link.tag', :key => key, :value => value)
     else
@@ -34,14 +57,41 @@ module BrowseHelper
     end
   end
 
+  def type_and_paginated_count(type, pages)
+    if pages.page_count == 1
+      t "browse.changeset_details.#{type}",
+        :count => pages.item_count
+    else
+      t "browse.changeset_details.#{type}_paginated",
+        :x => pages.current_page.first_item,
+        :y => pages.current_page.last_item,
+        :count => pages.item_count
+    end
+  end
+
 private
 
+  ICON_TAGS = [
+    "aeroway", "amenity", "barrier", "building", "highway", "historic", "landuse",
+    "leisure", "man_made", "natural", "railway", "shop", "tourism", "waterway"
+  ]
+
+  def icon_tags(object)
+    object.tags.find_all { |k,v| ICON_TAGS.include? k }
+  end
+
   def wiki_link(type, lookup)
     locale = I18n.locale.to_s
 
-    if page = WIKI_PAGES[locale][type][lookup] rescue nil
+    # update-wiki-pages does s/ /_/g on keys before saving them, we
+    # have to replace spaces with underscore so we'll link
+    # e.g. `source=Isle of Man Government aerial imagery (2001)' to
+    # the correct page.
+    lookup_us = lookup.tr(" ", "_")
+
+    if page = WIKI_PAGES[locale][type][lookup_us] rescue nil
       url = "http://wiki.openstreetmap.org/wiki/#{page}?uselang=#{locale}"
-    elsif page = WIKI_PAGES["en"][type][lookup] rescue nil
+    elsif page = WIKI_PAGES["en"][type][lookup_us] rescue nil
       url = "http://wiki.openstreetmap.org/wiki/#{page}?uselang=#{locale}"
     end
 
@@ -49,32 +99,31 @@ private
   end
 
   def wikipedia_link(key, value)
-    # English Wikipedia by default
-    lang = 'en'
-
-    if key == 'wikipedia' or key =~ /^wikipedia:(\S+)$/
-      mylang = $1
+    # Some k/v's are wikipedia=http://en.wikipedia.org/wiki/Full%20URL
+    return nil if value =~ /^https?:\/\//
 
-      # Some k/v's are wikipedia=http://en.wikipedia.org/wiki/Full%20URL
-      return nil if value =~ /^http:\/\//
-
-      if mylang
-        lang = mylang
+    if key == "wikipedia"
       # This regex should match Wikipedia language codes, everything
       # from de to zh-classical
-      elsif value =~ /^([a-z-]{2,12}):(.+)$/
+      if value =~ /^([a-z-]{2,12}):(.+)$/i
+        # Value is <lang>:<title> so split it up
+        # Note that value is always left as-is, see: https://trac.openstreetmap.org/ticket/4315
         lang  = $1
-        # Don't display e.g. "en:Foobar" as the title, just "Foobar"
-        value = $2
+      else
+        # Value is <title> so default to English Wikipedia
+        lang = 'en'
       end
-
-      locale = I18n.locale.to_s
-      return {
-        'url' => "http://#{lang}.wikipedia.org/wiki/#{value}?uselang=#{locale}",
-        'title' => value
-      }
+    elsif key =~ /^wikipedia:(\S+)$/
+      # Language is in the key, so assume value is a simple title
+      lang = $1
     else
+      # Not a wikipedia key!
       return nil
     end
+
+    return {
+      :url => "http://#{lang}.wikipedia.org/wiki/#{value}?uselang=#{I18n.locale}",
+      :title => value
+    }
   end
 end