Class: Formotion::RowType::SliderRow

Inherits:
Base show all
Includes:
BW::KVO
Defined in:
lib/formotion/row_type/slider_row.rb

Constant Summary collapse

SLIDER_VIEW_TAG = 
1200

Instance Attribute Summary

Attributes inherited from Base

#row, #tableView

Instance Method Summary collapse

Methods inherited from Base

#_on_select, #after_build, #after_delete, #break_with_semaphore, #button?, #cellEditingStyle, #cell_style, #delete_row, field_buffer, #indentWhileEditing?, #initialize, #on_delete, #on_select, #update_cell, #with_semaphore

Constructor Details

This class inherits a constructor from Formotion::RowType::Base

Instance Method Details

#build_cell(cell) ⇒ Object 



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# File 'lib/formotion/row_type/slider_row.rb', line 10

def build_cell(cell)
  cell.selectionStyle = self.row.selection_style || UITableViewCellSelectionStyleNone
  slideView = UISlider.alloc.initWithFrame(CGRectZero)
  cell.accessoryView = cell.editingAccessoryView = slideView
  row.range ||= (1..10)
  slideView.minimumValue = row.range.first
  slideView.maximumValue = row.range.last
  slideView.tag = SLIDER_VIEW_TAG
  slideView.setValue(row.value, animated:true) if row.value
  slideView.accessibilityLabel = (row.title || "") + " Slider"
  slideView.userInteractionEnabled = row.editable?

  slideView.when(UIControlEventValueChanged) do
    break_with_semaphore do
      row.value = slideView.value
    end
  end
  observe(self.row, "value") do |old_value, new_value|
    break_with_semaphore do
      slideView.setValue(row.value, animated:false)
    end
  end


  cell.swizzle(:layoutSubviews) do
    def layoutSubviews
      old_layoutSubviews

      # viewWithTag is terrible, but I think it's ok to use here...
      formotion_field = self.viewWithTag(SLIDER_VIEW_TAG)
      formotion_field.sizeToFit

      field_frame = formotion_field.frame
      field_frame.origin.y = 10
      field_frame.origin.x = self.textLabel.frame.origin.x + self.textLabel.frame.size.width + Formotion::RowType::Base.field_buffer
      field_frame.size.width  = self.frame.size.width - field_frame.origin.x - Formotion::RowType::Base.field_buffer
      field_frame.size.height = self.frame.size.height - Formotion::RowType::Base.field_buffer
      formotion_field.frame = field_frame
    end
  end
  nil
end