Class: Tgios::UITableViewModelListBinding

Inherits:
BindingBase
  • Object
show all
Defined in:
lib/tgios/ui_table_view_model_list_binding.rb

Instance Method Summary collapse

Methods inherited from BindingBase

#dealloc, #hook, #prepareForRelease, #unhook

Constructor Details

#initialize ⇒ UITableViewModelListBinding

Returns a new instance of UITableViewModelListBinding.



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# File 'lib/tgios/ui_table_view_model_list_binding.rb', line 3

def initialize
  super

  @events={}
  @events[:build_cell]=->(cell_identifier, type) { build_cell(cell_identifier, type)}.weak!
  @events[:update_cell]=->(field_set, cell, index_path) { update_field(field_set, cell, index_path)}.weak!
  @events[:update_cell_height]=->(field_set, index_path) { update_cell_height(field_set, index_path) }.weak!
  self

end

Instance Method Details

#bind(tableView, models, fields) ⇒ Object 



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# File 'lib/tgios/ui_table_view_model_list_binding.rb', line 14

def bind(tableView, models, fields)
  @tableView=WeakRef.new(tableView)
  @fields=fields
  @contact_buttons = []
  @models=WeakRef.new(models)
  @tableView.dataSource=self
  @tableView.delegate=self
  self
end

#build_cell(cell_identifier, type) ⇒ Object 



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# File 'lib/tgios/ui_table_view_model_list_binding.rb', line 52

def build_cell(cell_identifier, type)
  cell = UITableViewCell.value1(cell_identifier)
  cell.detailTextLabel.adjustsFontSizeToFitWidth = true
  cell.clipsToBounds = true
  cell
end

#field_set_at_index_path(index_path) ⇒ Object 



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# File 'lib/tgios/ui_table_view_model_list_binding.rb', line 186

def field_set_at_index_path(index_path)
  row = index_path.row
  array_indices = @fields.each_index.select{|i| @fields[i][:type] == :array}
  return @fields[row] if array_indices.empty? || array_indices.first >= row
  array_count_sum = 0
  array_indices.each do |a_idx|
    array_count = @models[index_path.section].send(@fields[a_idx][:name]).length
    if row <= a_idx + array_count_sum + array_count
      sub_idx = row - a_idx - array_count_sum - 1
      return sub_idx < 0 ? @fields[a_idx + sub_idx + 1] : @fields[a_idx].merge(child_index: sub_idx)
    end
    array_count_sum += array_count
  end
  @fields[row - array_count_sum]
end

#models=(value) ⇒ Object 



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# File 'lib/tgios/ui_table_view_model_list_binding.rb', line 24

def models=(value)
  @models=value
  @tableView.reloadData
end

#numberOfSectionsInTableView(tableView) ⇒ Object 



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# File 'lib/tgios/ui_table_view_model_list_binding.rb', line 116

def numberOfSectionsInTableView(tableView)
  @models.length
end

#on(event_name, &block) ⇒ Object 



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# File 'lib/tgios/ui_table_view_model_list_binding.rb', line 29

def on(event_name, &block)
  @events[event_name]=block.weak!
  self
end

#onPrepareForRelease ⇒ Object 



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# File 'lib/tgios/ui_table_view_model_list_binding.rb', line 202

def onPrepareForRelease
  @contact_buttons = nil
  @events=nil
  @models=nil
  @tableView.delegate=nil
  @tableView.dataSource=nil
  @tableView=nil

end

#tableView(tableView, willDisplayCell: cell, forRowAtIndexPath: indexPath) ⇒ Object 



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# File 'lib/tgios/ui_table_view_model_list_binding.rb', line 35

def tableView(tableView, cellForRowAtIndexPath: index_path)

  field_set = field_set_at_index_path(index_path)
  type = field_set[:child_index].nil? ? field_set[:type] : field_set[:child_field][:type]

  cell_identifier = "CELL_IDENTIFIER_#{type}"
  cell=tableView.dequeueReusableCellWithIdentifier(cell_identifier)
  isReusedCell=!cell.nil?

  cell=@events[:build_cell].call(cell_identifier, type) unless isReusedCell

  @events[:update_cell].call(field_set, cell, index_path)

  cell

end

#update_cell_height(field_set, index_path) ⇒ Object 



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# File 'lib/tgios/ui_table_view_model_list_binding.rb', line 159

def update_cell_height(field_set, index_path)
  field_set = field_set[:child_field] unless field_set[:child_index].nil?
  return field_set[:height] unless field_set[:height].nil?
  if field_set[:type] == :big_label || field_set[:type] == :checkbox
    26 + 19 * (field_set[:lines] || 2)
  elsif field_set[:type] == :text_view
    110
  elsif field_set[:type] == :dynamic_label
    return 45 if @model.send(field_set[:name]).nil?
    width = 284
    width -= 20 unless field_set[:accessory].nil? || field_set[:accessory] == :none
    width -= 94 if field_set[:show_label]
    height = @model.send(field_set[:name]).sizeWithFont(UIFont.systemFontOfSize(14),
                                                        constrainedToSize: [width, 9999],
                                                        lineBreakMode: UILineBreakModeCharacterWrap).height + 20
    [height, 45].max
  else
    45
  end
end

#update_field(o_field_set, cell, index_path) ⇒ Object 



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# File 'lib/tgios/ui_table_view_model_list_binding.rb', line 59

def update_field(o_field_set, cell, index_path)
  model = @models[index_path.section]
  field_set = o_field_set
  if !field_set[:child_index].nil?
    model = model.send(field_set[:name])[field_set[:child_index]]
    field_set = field_set[:child_field]
  end

  accessory_view = cell.accessoryView
  if field_set[:accessory] == :contact
    if accessory_view && accessory_view.buttonType == :contact.uibuttontype
      contact_button = accessory_view
    else
      contact_button = (@contact_buttons.pop || UIButton.contact)
      cell.accessoryView = contact_button
    end
    unhook(contact_button, :tapped)
    hook(contact_button, :tapped) do
      tableView(@tableView, didSelectRowAtIndexPath:index_path)
    end
  else
    if accessory_view && accessory_view.buttonType == :contact.uibuttontype
      @contact_buttons << accessory_view
      cell.accessoryView = nil
    end
    cell.accessoryType = (field_set[:accessory] || :none).uitablecellaccessory
  end

  case field_set[:type]
    when :array
      cell.textLabel.text=field_set[:label]
      cell.detailTextLabel.text = ''
    when :label, :text
      cell.textLabel.text= field_set[:show_label] ? field_set[:label] : field_set[:label_name].nil? ? '' : model.send(field_set[:label_name])
      cell.detailTextLabel.text = model.send(field_set[:name])
    when :big_label
      cell.detailTextLabel.numberOfLines = 0
      cell.detailTextLabel.backgroundColor = :clear.uicolor
      cell.detailTextLabel.text = model.send(field_set[:name])
  end

end