Class: Formotion::RowType::ImageRow

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

Constant Summary collapse

TAKE = 
BW.localized_string("Take", nil)
DELETE = 
BW.localized_string("Delete", nil)
CHOOSE = 
BW.localized_string("Choose", nil)
CANCEL = 
BW.localized_string("Cancel", nil)
IMAGE_VIEW_TAG = 
1100

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, #update_cell, #with_semaphore

Constructor Details

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

Instance Method Details

#actionSheet(actionSheet, clickedButtonAtIndex: index) ⇒ Object 



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# File 'lib/formotion/row_type/image_row.rb', line 72

def actionSheet actionSheet, clickedButtonAtIndex: index
  source = nil

  if index == actionSheet.destructiveButtonIndex
    row.value = nil
    return
  end

  case actionSheet.buttonTitleAtIndex(index)
  when TAKE
    source = :camera
  when CHOOSE
    source = :photo_library
  when CANCEL
  else
    p "Unrecognized button title #{actionSheet.buttonTitleAtIndex(index)}"
  end

  if source
    @camera = BW::Device.camera.send((source == :camera) ? :rear : :any)
    @camera.picture(source_type: source, media_types: [:image]) do |result|
      if result[:original_image]
        #-Resize image when requested (no image upscale)
        if result[:original_image].respond_to?(:resize_image_to_size) and row.max_image_size
          result[:original_image]=result[:original_image].resize_image_to_size(row.max_image_size, false)
        end
        row.value = result[:original_image]
      end
    end
  end
end

#add_plus_accessory(cell) ⇒ Object 



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# File 'lib/formotion/row_type/image_row.rb', line 104

def add_plus_accessory(cell)
  @add_button ||= begin
    button = UIButton.buttonWithType(UIButtonTypeContactAdd)
    button.accessibilityLabel = BW.localized_string("add image", nil)
    button.when(UIControlEventTouchUpInside) do
      self._on_select(nil, nil)
    end
    button
  end
  cell.accessoryView = cell.editingAccessoryView = @add_button
end

#build_cell(cell) ⇒ Object 



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# File 'lib/formotion/row_type/image_row.rb', line 15

def build_cell(cell)
  cell.selectionStyle = self.row.selection_style || UITableViewCellSelectionStyleBlue
  # only show the "plus" when editable
  add_plus_accessory(cell) if row.editable? && (row.value == nil)

  observe(self.row, "value") do |old_value, new_value|
    @image_view.image = new_value
    if new_value
      self.row.row_height = 200
      cell.accessoryView = cell.editingAccessoryView = nil
    else
      self.row.row_height = 44
      # only show the "plus" when editable
      add_plus_accessory(cell) if row.editable? && (row.value == nil)
    end
    row.form.reload_data
  end

  @image_view = UIImageView.alloc.init
  @image_view.image = row.value if row.value
  @image_view.tag = IMAGE_VIEW_TAG
  @image_view.contentMode = UIViewContentModeScaleAspectFit
  @image_view.backgroundColor = UIColor.clearColor
  cell.addSubview(@image_view)

  cell.swizzle(:layoutSubviews) do
    def layoutSubviews
      old_layoutSubviews

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

      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
end

#on_select(tableView, tableViewDelegate) ⇒ Object 



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# File 'lib/formotion/row_type/image_row.rb', line 57

def on_select(tableView, tableViewDelegate)
  if !row.editable?
    return
  end
  @action_sheet = UIActionSheet.alloc.init
  @action_sheet.delegate = self

  @action_sheet.destructiveButtonIndex = (@action_sheet.addButtonWithTitle DELETE) if row.value
  @action_sheet.addButtonWithTitle TAKE if BW::Device.camera.front? or BW::Device.camera.rear?
  @action_sheet.addButtonWithTitle CHOOSE
  @action_sheet.cancelButtonIndex = (@action_sheet.addButtonWithTitle CANCEL)

  @action_sheet.showInView @image_view
end