Class: WindowTerminal::WindowManager

Inherits:
Object
  • Object
show all
Defined in:
lib/accu-window.rb

Overview

Makes handling and switching between Window objects simpler by creating an API that allows for objects to be assigned to pages, which can, in turn, be displayed, hidden, or deleted at leisure.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ WindowManager

Initializes a WindowManager object.



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# File 'lib/accu-window.rb', line 450

def initialize()
	@pages = []
	@displayed_page = nil
end

Instance Attribute Details

#pages ⇒ Object (readonly)

Returns the value of attribute pages.



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# File 'lib/accu-window.rb', line 447

def pages
  @pages
end

Instance Method Details

#display_page(num = 1) ⇒ Object

Displays the page at the number specified; defaults to one.

Raises:

  • (ArgumentError) 


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# File 'lib/accu-window.rb', line 470

def display_page(num=1)
	raise(ArgumentError, "Argument 1 must be a valid integer!") if (not (num.is_a? Fixnum))
	hide_page(@displayed_page)
	@pages[num-1].each { |item|
		WindowTerminal.add_window(item)
	}
	@displayed_page = num
end

#get_page_text(num) ⇒ Object

Gets all Text and Text subclass objects on the page given and returns them all as an array.

Raises:

  • (ArgumentError) 


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# File 'lib/accu-window.rb', line 518

def get_page_text(num)
	raise(ArgumentError, "Argument 1 must be a valid integer!") if (not (num.is_a? Fixnum))
	array = []
	@pages[num-1].each {|window|
		array << window.objects.dup
		array[-1].each {|item|
			if (not (item.respond_to? :set_text)) then
				array[-1].delete(item)
			end
		}
	}
	return array
end

#hide ⇒ Object

An alias for hide_page which always passes the current displayed page number, if it exists.



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# File 'lib/accu-window.rb', line 502

def hide()
	if @displayed_page then
		hide_page(@displayed_page)
	end
end

#hide_page(num = nil) ⇒ Object

Hides a page by a number, defaults to doing nothing.



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# File 'lib/accu-window.rb', line 486

def hide_page(num=nil)
	if num then
		raise(ArgumentError, "Argument 1 must be a valid integer!") if (not (num.is_a? Fixnum))
		if num == @displayed_page then
			@pages[num-1].each { |item|
				WindowTerminal.remove_window(item)
			}
			@displayed_page = nil
		end
	end
end

#new_page(*items) ⇒ Object

Creates a new page with the passed arguments and returns the page number.



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# File 'lib/accu-window.rb', line 458

def new_page(*items)
	@pages << []
	items.each { |item|
		if item.is_a? Window then
			@pages[-1] << item
		end
	}
	return @pages.length
end

#remove_page(num) ⇒ Object

Delete a page by page number.

Raises:

  • (ArgumentError) 


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# File 'lib/accu-window.rb', line 509

def remove_page(num)
	raise(ArgumentError, "Argument 1 must be a valid integer!") if (not (num.is_a? Fixnum))
	hide_page(num)
	@pages.delete_at(num-1)
end

#render ⇒ Object

An alias for the WindowTerminal method screen_render.



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# File 'lib/accu-window.rb', line 534

def render()
	WindowTerminal.screen_render
end

#show(num = 1) ⇒ Object

Alias for display_page.



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# File 'lib/accu-window.rb', line 480

def show(num=1)
	display_page(num)
end