Class: Documatic::OpenDocumentText::Partial

Inherits:
Template
  • Object
show all
Defined in:
lib/documatic/open_document_text/partial.rb

Constant Summary

Constants inherited from Template

Template::DTC, Template::ERB_CODE, Template::INLINE_CODE, Template::ITEM_END, Template::ITEM_START, Template::PARAGRAPH, Template::PARA_END, Template::PARA_START, Template::ROW_END, Template::ROW_START, Template::SPAN_END, Template::SPAN_START, Template::STYLE_NAME, Template::STYLE_TYPE, Template::TABLE_ROW, Template::TYPE, Template::VALUE

Instance Attribute Summary collapse

Attributes inherited from Template

#content_raw, #jar, #styles_erb, #styles_raw

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Template

#add_image, #add_partial, #close, #images, #partials, process_template

Constructor Details

#initialize(filename, prefix_name = nil) ⇒ Partial

class << self



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# File 'lib/documatic/open_document_text/partial.rb', line 32

def initialize(filename, prefix_name = nil)
  super filename
  @prefix = prefix_name || self.prefix
end

Instance Attribute Details

#content ⇒ Object

Returns the value of attribute content.



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# File 'lib/documatic/open_document_text/partial.rb', line 6

def content
  @content
end

#filename ⇒ Object

Returns the value of attribute filename.



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# File 'lib/documatic/open_document_text/partial.rb', line 7

def filename
  @filename
end

Class Method Details

.add_partial(name, partial) ⇒ Object 



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# File 'lib/documatic/open_document_text/partial.rb', line 10

def add_partial(name, partial)
  self.cache[name] = partial
end

.cache ⇒ Object 



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# File 'lib/documatic/open_document_text/partial.rb', line 14

def cache
  @cache ||= Hash.new
end

.cache_by_prefix ⇒ Object 



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# File 'lib/documatic/open_document_text/partial.rb', line 18

def cache_by_prefix
  by_prefix = Hash.new
  self.cache.each_value do |partial|
    by_prefix[partial.prefix] = partial
  end
  by_prefix
end

.flush_cache ⇒ Object 



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# File 'lib/documatic/open_document_text/partial.rb', line 26

def flush_cache
  @cache = Hash.new
end

Instance Method Details

#compile ⇒ Object 



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# File 'lib/documatic/open_document_text/partial.rb', line 43

def compile
  doc = REXML::Document.new( self.jar.read('content.xml') )
  style_names = Hash.new

  # Gather all auto style names from <office:automatic-styles>
  doc.root.each_element('office:automatic-styles/*') do |e|
    attr = e.attributes.get_attribute('style:name')
    attr && style_names[attr.value] = attr
  end

  # Replace all auto styles in the document's attributes with the
  # prefixed form.
  doc.each_element('//*') do |e|
    e.attributes.each_attribute do |attr|
      if style_names.has_key? attr.value
        e.add_attribute(attr.expanded_name, "#{self.prefix}_#{attr.value}")
      end
    end
  end

  # Create 'documatic/partial/' in zip file
  self.jar.find_entry('documatic/partial') ||
    self.jar.mkdir('documatic/partial')
  
  # Save the prefix in documatic/partial.txt
  self.jar.get_output_stream('documatic/partial/partial.txt') do |f|
    f.write self.prefix
  end

  # Set @styles, & save it in documatic/styles.xml
  @styles = doc.root.elements['office:automatic-styles']
  self.jar.get_output_stream('documatic/partial/styles.xml') do |f|
    f.write @styles.to_s
  end

  # Get body text, erbify it, keep it in @content and save it in
  # documatic/content.erb
  body_text = doc.root.elements['office:body/office:text']
  body_text.elements.delete('text:sequence-decls')
  body_text.elements.delete('office:forms')
  @content_erb = self.erbify( (body_text.elements.to_a.collect do |e|
                                 e.to_s ;
                               end ).join("\n") )
  self.jar.get_output_stream('documatic/partial/content.erb') do |f|
    f.write @content_erb
  end

end

#content_erb ⇒ Object 



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# File 'lib/documatic/open_document_text/partial.rb', line 108

def content_erb
  if not @content_erb
    if self.jar.find_entry('documatic/partial/content.erb')
      self.jar.read('documatic/partial/content.erb')
    else
      self.compile
    end
  end
  @content_erb
end

#prefix ⇒ Object 



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# File 'lib/documatic/open_document_text/partial.rb', line 96

def prefix
  if not @prefix
    if self.jar.find_entry('documatic/partial/partial.txt')
      @prefix = self.jar.read('documatic/partial/partial.txt')
    else
      @prefix = File.basename(self.filename, '.odt').gsub(/[^A-Za-z0-9_]/,
                                                          '_')
    end
  end
  return @prefix
end

#process(local_assigns = {}) ⇒ Object 



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# File 'lib/documatic/open_document_text/partial.rb', line 37

def process(local_assigns = {})
  self.jar.find_entry('documatic/partial') || self.compile
  @content = Documatic::OpenDocumentText::Component.new( self.content_erb )
  @content.process(local_assigns)
end

#save ⇒ Object

Partials aren’t saved in the same way that templates are: this is a no-op.



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# File 'lib/documatic/open_document_text/partial.rb', line 94

def save ; end

#styles ⇒ Object 



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# File 'lib/documatic/open_document_text/partial.rb', line 119

def styles
  if not @styles
    if self.jar.find_entry('documatic/partial/styles.xml')
      @styles = REXML::Document.new( self.jar.read('documatic/partial/styles.xml') ).root
    else
      self.compile
    end
  end
  @styles
end