Class: Interview::ImageAttribute

Inherits:
Attribute show all
Defined in:
lib/interview/image_attribute.rb

Instance Attribute Summary collapse

Attributes inherited from Attribute

#align, #caption, #hide_caption, #hide_tooltip, #html_class, #link, #method, #nil_value, #on_changed, #only_for, #style, #surrounding_tag

Attributes inherited from Control

#parent

Instance Method Summary collapse

Methods inherited from Attribute

#initialize, #render, #tooltip, #value

Methods inherited from Control

#ancestors, build, definition, #find_attribute, #find_attribute!, inherited, #initialize, #render, #set_attributes, #set_defaults

Constructor Details

This class inherits a constructor from Interview::Attribute

Instance Attribute Details

#hide_if_not_exists ⇒ Object

  • Bild muss in eingener Klasse ausgelagert werden

  • object muss die Methode method_id= implementieren

  • method_id muss als parameter erlaubt werden

  • json ansicht auf bild muss vorhanden sein



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# File 'lib/interview/image_attribute.rb', line 9

def hide_if_not_exists
  @hide_if_not_exists
end

#image_style ⇒ Object

  • Bild muss in eingener Klasse ausgelagert werden

  • object muss die Methode method_id= implementieren

  • method_id muss als parameter erlaubt werden

  • json ansicht auf bild muss vorhanden sein



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# File 'lib/interview/image_attribute.rb', line 9

def image_style
  @image_style
end

#object ⇒ Object

  • Bild muss in eingener Klasse ausgelagert werden

  • object muss die Methode method_id= implementieren

  • method_id muss als parameter erlaubt werden

  • json ansicht auf bild muss vorhanden sein



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# File 'lib/interview/image_attribute.rb', line 9

def object
  @object
end

#submethod ⇒ Object

  • Bild muss in eingener Klasse ausgelagert werden

  • object muss die Methode method_id= implementieren

  • method_id muss als parameter erlaubt werden

  • json ansicht auf bild muss vorhanden sein



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# File 'lib/interview/image_attribute.rb', line 9

def submethod
  @submethod
end

Instance Method Details

#render_read ⇒ Object 



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# File 'lib/interview/image_attribute.rb', line 11

def render_read
  submethod = @submethod || 'attachment'
  image_style = @image_style || :thumb
  object = @object || find_attribute(:object)
  image = value || object.association(@method).build
  
  attachment = image.send(submethod)
  return '' if not attachment.exists? and @hide_if_not_exists
  
  html = Builder::XmlMarkup.new
  opts = {class: "image_#{image_style}"}
  opts[:class] += ' ' + @html_class.join(' ') unless @html_class.empty? or @surrounding_tag
  html.div opts do
    html << h.image_tag(attachment.url(image_style), class: 'img-responsive')
  end
  return html.target!
end

#render_write ⇒ Object 



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# File 'lib/interview/image_attribute.rb', line 29

def render_write
  object = @object || find_attribute(:object)
  submethod = @submethod || 'attachment'
  image_style = @image_style || :thumb
  image = object.send(@method) || object.association(@method).build
  attachment = image.send(submethod)
  model = image.class.model_name.singular
  
  html = Builder::XmlMarkup.new
  
  html << form_builder.hidden_field("#{@method.singularize}_id", class: 'image-id')
  
  html.div class: 'inline-block' do
    html << h.image_tag(attachment.url(image_style), id: 'image-tag')
  end
  
  html.div class: 'inline-block' do
    html.span class: "btn btn-default fileinput-button" do
      html.span "Select file..."
      html << h.file_field_tag("#{model}[#{submethod}]", class: 'image-upload', 
        data: {url: "/#{model.pluralize}.json", type: 'POST'})
    end
  
    # if attachment.exists?
    #   html << form_builder.check_box("destroy_#{@method}")
    #   html.text! ' Datei löschen'
    # end
  end
  
  html.div id: 'upload-progress' do
  end
  
  html.script id: 'upload-progress-script', type: 'text/x-tmpl' do
    html.div class: 'upload' do
      html.text! "{%=o.name%}"
      html.div class: 'progress' do
        html.div '', class: 'progress-bar bar', style: 'width: 0%'
      end
    end
  end
  
  return html.target!
end