Class: Formotion::RowCellBuilder

Inherits:
Object
  • Object
show all
Extended by:
BW::KVO
Defined in:
lib/formotion/row/row_cell_builder.rb

Class Method Summary collapse

Class Method Details

.make_cell(row) ⇒ Object

PARAMS row.is_a? Formotion::Row RETURNS [cell configured to that row, a UITextField for that row if applicable or nil]



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# File 'lib/formotion/row/row_cell_builder.rb', line 14

def self.make_cell(row)
  cell, text_field = nil

  cell = UITableViewCell.alloc.initWithStyle(row.object.cell_style, reuseIdentifier:row.reuse_identifier)

  cell.accessoryType = cell.editingAccessoryType = UITableViewCellAccessoryNone

  cell.textLabel.text = row.title
  observe(row, "title") do |old_value, new_value|
    cell.textLabel.text = new_value
  end

  if row.image
    Formotion::RowCellBuilder.set_image(cell, row)
    observe(row, "image") do |old_value, new_value|
      Formotion::RowCellBuilder.set_image(cell, row)
    end
  end

  cell.detailTextLabel.text = row.subtitle
  observe(row, "subtitle") do |old_value, new_value|
    cell.detailTextLabel.text = new_value
  end

  edit_field = row.object.build_cell(cell)

  if edit_field and edit_field.respond_to?("accessibilityLabel=")
    label = row.accessibility
    label = row.title unless label
    edit_field.accessibilityLabel = label if label
  end

  [cell, edit_field]
end

.set_image(cell, row) ⇒ Object 



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# File 'lib/formotion/row/row_cell_builder.rb', line 49

def self.set_image(cell, row)
  if row.image.is_a?(NSURL) || (row.image.is_a?(String) && row.image.include?("http"))
    # Use a remote image helper to set the image.
    image_url = row.image
    image_url = NSURL.URLWithString(image_url) unless image_url.is_a?(NSURL)

    placeholder = row.image_placeholder
    placeholder = UIImage.imageNamed(placeholder) if placeholder.is_a?(String)

    if cell.imageView.respond_to?("setImageWithURLRequest:placeholderImage:success:failure:")
      # Use AFNetworking
      request = NSURLRequest.requestWithURL(image_url)
      cell.imageView.setImageWithURLRequest(request, placeholderImage: placeholder, success: ->(request, response, image) {
        cell.imageView.image = image
        cell.setNeedsLayout
      }, failure: ->(request, response, error) {

      })
    elsif cell.imageView.respond_to?("setImageWithURL:placeholderImage:completed:")
      cell.imageView.setImageWithURL(image_url, placeholderImage: placeholder, completed: ->(image, error, cacheType) {
        cell.imageView.image = image
        cell.setNeedsLayout
      })
    elsif cell.imageView.respond_to?("setImageWithURL:placeholder:")
      # Use JMImageCache
      JMImageCache.sharedCache.imageForURL(image_url, completionBlock: ->(downloadedImage) {
          cell.imageView.image = downloadedImage
          cell.setNeedsLayout
      })
    else
      raise "Please add the AFNetworking, SDWebImage, or JMImageCache pods to your project to use remote images in Formotion"
    end

  else
    # Just set the image like normal
    cell.imageView.image = (row.image.is_a? String) ? UIImage.imageNamed(row.image) : row.image
  end
end