5700d4513f
The simplest thing which could possibly work ...
144 lines
4.5 KiB
Ruby
144 lines
4.5 KiB
Ruby
class AbstractUrlGenerator
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def initialize(controller)
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raise 'Controller cannot be nil' if controller.nil?
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@controller = controller
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end
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# Create a link for the given page (or file) name and link text based
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# on the render mode in options and whether the page (file) exists
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# in the web.
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def make_link(name, web, text = nil, options = {})
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mode = (options[:mode] || :show).to_sym
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link_type = (options[:link_type] || :show).to_sym
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if (link_type == :show)
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known_page = web.has_page?(name)
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else
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known_page = web.has_file?(name)
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description = web.description(name)
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description = CGI.escapeHTML(CGI.unescapeHTML(description)) if description
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end
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if (text == name)
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text = description || text
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else
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text = text || description
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end
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text = CGI.escapeHTML(CGI.unescapeHTML(text || WikiWords.separate(name)))
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case link_type
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when :show
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page_link(mode, name, text, web.address, known_page)
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when :file
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file_link(mode, name, text, web.address, known_page, description)
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when :pic
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pic_link(mode, name, text, web.address, known_page)
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when :delete
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delete_link(mode, name, web.address, known_page)
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else
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raise "Unknown link type: #{link_type}"
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end
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end
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end
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class UrlGenerator < AbstractUrlGenerator
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private
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def file_link(mode, name, text, web_address, known_file, description)
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case mode
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when :export
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if known_file
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%{<a class="existingWikiWord" title="#{description}" href="#{CGI.escape(name)}.html">#{text}</a>}
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else
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%{<span class="newWikiWord">#{text}</span>}
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end
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when :publish
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if known_file
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href = @controller.url_for :controller => 'file', :web => web_address, :action => 'file',
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:id => name
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%{<a class="existingWikiWord" title="#{description}" href="#{href}">#{text}</a>}
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else
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%{<span class="newWikiWord">#{text}</span>}
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end
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else
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href = @controller.url_for :controller => 'file', :web => web_address, :action => 'file',
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:id => name
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if known_file
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%{<a class="existingWikiWord" title="#{description}" href="#{href}">#{text}</a>}
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else
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%{<span class="newWikiWord">#{text}<a href="#{href}">?</a></span>}
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end
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end
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end
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def page_link(mode, name, text, web_address, known_page)
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case mode
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when :export
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if known_page
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%{<a class="existingWikiWord" href="#{CGI.escape(name)}.html">#{text}</a>}
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else
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%{<span class="newWikiWord">#{text}</span>}
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end
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when :publish
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if known_page
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web = Web.find_by_address(web_address)
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action = web.published? ? 'published' : 'show'
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href = @controller.url_for :controller => 'wiki', :web => web_address, :action => action,
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:id => name
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%{<a class="existingWikiWord" href="#{href}">#{text}</a>}
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else
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%{<span class="newWikiWord">#{text}</span>}
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end
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else
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if known_page
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web = Web.find_by_address(web_address)
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action = web.published? ? 'published' : 'show'
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href = @controller.url_for :controller => 'wiki', :web => web_address, :action => action,
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:id => name
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%{<a class="existingWikiWord" href="#{href}">#{text}</a>}
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else
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href = @controller.url_for :controller => 'wiki', :web => web_address, :action => 'new',
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:id => name
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%{<span class="newWikiWord">#{text}<a href="#{href}">?</a></span>}
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end
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end
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end
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def pic_link(mode, name, text, web_address, known_pic)
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href = @controller.url_for :controller => 'file', :web => web_address, :action => 'file',
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:id => name
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case mode
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when :export
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if known_pic
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%{<img alt="#{text}" src="#{CGI.escape(name)}" />}
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else
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%{<img alt="#{text}" src="no image" />}
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end
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when :publish
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if known_pic
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%{<img alt="#{text}" src="#{href}" />}
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else
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%{<span class="newWikiWord">#{text}</span>}
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end
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else
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if known_pic
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%{<img alt="#{text}" src="#{href}" />}
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else
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%{<span class="newWikiWord">#{text}<a href="#{href}">?</a></span>}
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end
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end
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end
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def delete_link(mode, name, web_address, known_file)
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href = @controller.url_for :controller => 'file', :web => web_address,
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:action => 'delete', :id => name
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if mode == :show and known_file
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%{<span class="deleteWikiWord"><a href="#{href}">Delete #{name}</a></span>}
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else
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%{<span class="deleteWikiWord">[[#{name}:delete]]</span>}
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end
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end
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end
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