Module: Loco::Resizable

Included in:
UI::Button, UI::DatePicker, UI::ImageView, UI::Label, UI::PageControl, UI::PickerView, UI::ProgressView, UI::ScrollView, UI::Slider, UI::TableView, UI::TextView, UI::Toolbar, UI::View, UI::WebView
Defined in:
lib/motion-loco/resizable.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#bottom ⇒ Integer

The position of the bottom edge, relative to the superview’s bottom edge.

Returns:

  • (Integer) 


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# File 'lib/motion-loco/resizable.rb', line 11

def bottom
  @bottom
end

#height ⇒ Integer

The height of the view.

Returns:

  • (Integer) 


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# File 'lib/motion-loco/resizable.rb', line 30

def height
  @height
end

#left ⇒ Integer

The position of the left edge, relative to the superview’s left edge.

Returns:

  • (Integer) 


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# File 'lib/motion-loco/resizable.rb', line 46

def left
  @left
end

#parent_view ⇒ Object Also known as: parentView

Returns the value of attribute parent_view.



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# File 'lib/motion-loco/resizable.rb', line 4

def parent_view
  @parent_view
end

#right ⇒ Integer

The position of the right edge, relative to the superview’s right edge.

Returns:

  • (Integer) 


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# File 'lib/motion-loco/resizable.rb', line 62

def right
  @right
end

#top ⇒ Integer

The position of the top edge, relative to the superview’s top edge.

Returns:

  • (Integer) 


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# File 'lib/motion-loco/resizable.rb', line 78

def top
  @top
end

#width ⇒ Integer

The width of the view.

Returns:

  • (Integer) 


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# File 'lib/motion-loco/resizable.rb', line 93

def width
  @width
end

Instance Method Details

#initWithFrame(frame) ⇒ Object

Create new instance from a hash of properties with values.

Parameters:

  • frame (Object) —

    The CGRect or a Hash of properties.



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# File 'lib/motion-loco/resizable.rb', line 108

def initWithFrame(frame)
  if frame.is_a? Hash
    # Set the initial property values from the given hash
    super(CGRect.new)
    frame.each do |key, value|
      self.send("#{key}=", value)
    end
  else
    super(frame)
  end
  view_setup
  self
end

#refresh_layout(superview = nil) ⇒ Object Also known as: refreshLayout

Refresh the layout based on bottom, left, right, top, and superview.

Parameters:

  • superview (UIView) (defaults to: nil) 


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# File 'lib/motion-loco/resizable.rb', line 124

def refresh_layout(superview=nil)
  # The view can't be positioned without being added to the superview first.
  superview ||= self.superview
  return if superview.nil?

  # Determine the original size, position, and autoresizing mask that should be used.
  if self.top && self.bottom
    if self.left && self.right
      # FW, FH
      @origin_x     = self.left
      @origin_y     = self.top
      @size_height  = superview.bounds.size.height - self.top - self.bottom
      @size_width   = superview.bounds.size.width - self.left - self.right
      @autoresizing = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight
    elsif self.left && self.width
      # FH, FRM
      @origin_x     = self.left
      @origin_y     = self.top
      @size_height  = superview.bounds.size.height - self.top - self.bottom
      @size_width   = self.width
      @autoresizing = UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleRightMargin
    elsif self.right && self.width
      # FH, FLM
      @origin_x     = superview.bounds.size.width - self.width - self.right
      @origin_y     = self.top
      @size_height  = superview.bounds.size.height - self.top - self.bottom
      @size_width   = self.width
      @autoresizing = UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleLeftMargin
    elsif self.width
      # FH, FLM, FRM
      @origin_x     = (superview.bounds.size.width - self.width) / 2
      @origin_y     = self.top
      @size_height  = superview.bounds.size.height - self.top - self.bottom
      @size_width   = self.width
      @autoresizing = UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin
    else
      # Needs More Params
      NSLog('%@<Loco::UI::View> Not enough params to position and size the view.', self.class)
    end
  elsif self.top
    if self.left && self.right && self.height
      # FW, FBM
      @origin_x     = self.left
      @origin_y     = self.top
      @size_height  = self.height
      @size_width   = superview.bounds.size.width - self.left - self.right
      @autoresizing = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleBottomMargin
    elsif self.left && self.height && self.width
      # FBM, FRM
      @origin_x     = self.left
      @origin_y     = self.top
      @size_height  = self.height
      @size_width   = self.width
      @autoresizing = UIViewAutoresizingFlexibleBottomMargin | UIViewAutoresizingFlexibleRightMargin
    elsif self.right && self.height && self.width
      # FBM, FLM
      @origin_x     = superview.bounds.size.width - self.width - self.right
      @origin_y     = self.top
      @size_height  = self.height
      @size_width   = self.width
      @autoresizing = UIViewAutoresizingFlexibleBottomMargin | UIViewAutoresizingFlexibleLeftMargin
    elsif self.height && self.width
      # FLM, FRM, FBM
      @origin_x     = (superview.bounds.size.width - self.width) / 2
      @origin_y     = self.top
      @size_height  = self.height
      @size_width   = self.width
      @autoresizing = UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin |UIViewAutoresizingFlexibleBottomMargin
    else
      # Needs More Params
      NSLog('%@<Loco::UI::View> Not enough params to position and size the view.', self.class)
    end
  elsif self.bottom
    if self.left && self.right && self.height
      # FW, FTM
      @origin_x     = self.left
      @origin_y     = superview.bounds.size.height - self.height - self.bottom
      @size_height  = self.height
      @size_width   = superview.bounds.size.width - self.left - self.right
      @autoresizing = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin
    elsif self.left && self.height && self.width
      # FTM, FRM
      @origin_x     = self.left
      @origin_y     = superview.bounds.size.height - self.height - self.bottom
      @size_height  = self.height
      @size_width   = self.width
      @autoresizing = UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleRightMargin
    elsif self.right && self.height && self.width
      # FTM, FLM
      @origin_x     = superview.bounds.size.width - self.width - self.right
      @origin_y     = superview.bounds.size.height - self.height - self.bottom
      @size_height  = self.height
      @size_width   = self.width
      @autoresizing = UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleLeftMargin
    elsif self.height && self.width
      # FLM, FRM, FTM
      @origin_x     = (superview.bounds.size.width - self.width) / 2
      @origin_y     = superview.bounds.size.height - self.height - self.bottom
      @size_height  = self.height
      @size_width   = self.width
      @autoresizing = UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin |UIViewAutoresizingFlexibleTopMargin
    else
      # Needs More Params
      NSLog('%@<Loco::UI::View> Not enough params to position and size the view.', self.class)
    end
  elsif self.left && self.right && self.height
    # FW, FTM, FBM
    @origin_x     = self.left
    @origin_y     = (superview.bounds.size.height - self.height) / 2
    @size_height  = self.height
    @size_width   = superview.bounds.size.width - self.left - self.right
    @autoresizing = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin
  elsif self.width && self.height
    if self.left
      # FTM, FBM, FRM
      @origin_x     = self.left
      @origin_y     = (superview.bounds.size.height - self.height) / 2
      @size_height  = self.height
      @size_width   = self.width
      @autoresizing = UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin | UIViewAutoresizingFlexibleRightMargin
    elsif self.right
      # FTM, FBM, FLM
      @origin_x     = superview.bounds.size.width - self.width - self.right
      @origin_y     = (superview.bounds.size.height - self.height) / 2
      @size_height  = self.height
      @size_width   = self.width
      @autoresizing = UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin | UIViewAutoresizingFlexibleLeftMargin
    else
      # FTM, FBM, FLM, FRM
      @origin_x     = (superview.bounds.size.width - self.width) / 2
      @origin_y     = (superview.bounds.size.height - self.height) / 2
      @size_height  = self.height
      @size_width   = self.width
      @autoresizing = UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin | UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin
    end
  else
    # Needs More Params
    NSLog('%@<Loco::UI::View> Not enough params to position and size the view.', self.class)
  end
  
  # Warn of any possible conflicts
  if self.top && self.bottom && self.height
    NSLog('%@<Loco::UI::View> `top`, `bottom`, and `height` may conflict with each other. Only two of the three should be set.', self.class)
    NSLog('%@<Loco::UI::View> top: %@, bottom: %@, height: %@', self.class, self.top, self.bottom, self.height)
  end
  if self.left && self.right && self.width
    NSLog('%@<Loco::UI::View> `left`, `right`, and `width` may conflict with each other. Only two of the three should be set.', self.class)
    NSLog('%@<Loco::UI::View> left: %@, right: %@, width: %@', self.class, self.left, self.right, self.width)
  end
  
  if @origin_x && @origin_y && @size_width && @size_height && @autoresizing
    self.frame = [[@origin_x, @origin_y], [@size_width, @size_height]]
    self.autoresizingMask = @autoresizing
  end
  
  # Update the subviews
  self.subviews.each do |view|
    view.refresh_layout(self) if view.is_a? Resizable
  end
end

#view_setup ⇒ Object 



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# File 'lib/motion-loco/resizable.rb', line 286

def view_setup
  viewSetup
end

#viewSetup ⇒ Object 



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# File 'lib/motion-loco/resizable.rb', line 290

def viewSetup
  # Override #view_setup or #viewSetup to customize the view
end

#willMoveToSuperview(superview) ⇒ Object

Fires when the superview changes.



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# File 'lib/motion-loco/resizable.rb', line 295

def willMoveToSuperview(superview)
  self.parentView = superview
  refresh_layout(superview)
end