Class: Formotion::RowType::TextRow

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

Constant Summary collapse

TEXT_VIEW_TAG = 
1000

Instance Attribute Summary collapse

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, #update_cell, #with_semaphore

Constructor Details

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

Instance Attribute Details

#field ⇒ Object

Returns the value of attribute field.



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

def field
  @field
end

Instance Method Details

#build_cell(cell) ⇒ Object 



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# File 'lib/formotion/row_type/text_row.rb', line 12

def build_cell(cell)
  cell.selectionStyle = self.row.selection_style || UITableViewCellSelectionStyleBlue

  @field = UITextView.alloc.initWithFrame(CGRectZero)
  field.backgroundColor = UIColor.clearColor
  field.editable = true
  field.tag = TEXT_VIEW_TAG

  field.text = row.value

  field.returnKeyType = row.return_key || UIReturnKeyDefault
  field.autocapitalizationType = row.auto_capitalization if row.auto_capitalization
  field.autocorrectionType = row.auto_correction if row.auto_correction

  # must be set prior to placeholder!
  field.font = BW::Font.new(row.font) if row.font
  field.placeholder = row.placeholder
  field.enabled = row.editable?

  field.on_begin do |text_field|
    row.on_begin_callback && row.on_begin_callback.call
    @tap_gesture.enabled = true
  end

  field.should_begin? do |text_field|
    row.section.form.active_row = row
    true
  end

  observe(self.row, "value") do |old_value, new_value|
    break_with_semaphore do
      field.text = row.value
    end
  end
  field.on_change do |text_field|
    break_with_semaphore do
      row.value = text_field.text
    end
  end

  field.on_end do |text_field|
    @tap_gesture.enabled = false
  end

  @tap_gesture = UITapGestureRecognizer.alloc.initWithTarget self, action:'dismissKeyboard'
  @tap_gesture.enabled = false
  cell.addGestureRecognizer @tap_gesture

  cell.swizzle(:layoutSubviews) do
    def layoutSubviews
      old_layoutSubviews

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

  cell.addSubview(field)
  field
end

#dismissKeyboard ⇒ Object 



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# File 'lib/formotion/row_type/text_row.rb', line 88

def dismissKeyboard
  field.resignFirstResponder
end

#on_select(tableView, tableViewDelegate) ⇒ Object 



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# File 'lib/formotion/row_type/text_row.rb', line 81

def on_select(tableView, tableViewDelegate)
  if !row.editable?
    return
  end
  field.becomeFirstResponder
end