Class: Menu

Inherits:
Object
  • Object
show all
Defined in:
lib/aniview/view/menu.rb

Direct Known Subclasses

AioMenu, PrefMenu

Instance Method Summary collapse

Constructor Details

#initialize(refresh_function, interface, name, pref, format_, term) ⇒ Menu

Returns a new instance of Menu.



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# File 'lib/aniview/view/menu.rb', line 5

def initialize(refresh_function, interface, name, pref, format_, term)
	@term = term
	@format_ = format_
	@attributes = {
		"t" => name,
	}
	@pref = pref
	@refresh_func = refresh_function
	@interface = interface
	@expanded = -1
	@selected = 0
	@scrollup = false
	
	refresh
	@lastcount = getLen
	
end

Instance Method Details

#color(index) ⇒ Object 



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# File 'lib/aniview/view/menu.rb', line 100

def color(index)
	if index == @selected
		return $clr[@pref.get("clr")["selected"]]
	else 
		return $clr[@pref.get("clr")["secondary"]]
	end
end

#control(key) ⇒ Object 



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# File 'lib/aniview/view/menu.rb', line 270

def control(key)
	sel = resolveSelected
	if key == "up"
		moveCursor("up")
	elsif key == "down"
		moveCursor("down")
	else
		customControl(key, sel)
	end
end

#customControl(key, sel) ⇒ Object 



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# File 'lib/aniview/view/menu.rb', line 281

def customControl(key, sel); end

#draw ⇒ Object 



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# File 'lib/aniview/view/menu.rb', line 108

def draw
	#the number of lines to preview
	buffer = 3

	#@term.rows-2 is used because 2 lines are reserved for 
	#the command line (the bottom line)
	#and the title line (the top line)

	if getLen  > @term.rows - 2
		finish = @selected + buffer #if not @scrollup
		finish = @term.rows - 2 if finish < @term.rows - 2
		finish = getLen if finish > getLen
		start  = finish - ( @term.rows-2 )
	else
		start  = 0
		finish = @term.rows - 2
	end

	drawFrom(start, finish)
end

#drawFrom(line_on, lines_to_draw) ⇒ Object 



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# File 'lib/aniview/view/menu.rb', line 129

def drawFrom(line_on, lines_to_draw)
	#print menu header
	printmf(
		@pref.get(@format_["title"]),
		1,
		false,
		@attributes,
		"title"
	)

	resolved_start_position = resolveSelected line_on

	outer_index = resolved_start_position["out"]
	inner_index = resolved_start_position["in"]
	
	if resolved_start_position["in_expanded"]
		outer_index+=1
	end

	offset=line_on-1

	while line_on < lines_to_draw
		
		in_outer_region    = ! (line_on >= getLen)
		in_expanded_region = resolveSelected(line_on)["in_expanded"]
		real_line_on       = line_on-offset+1
		selected           = line_on == @selected

		if in_expanded_region
			printmf(
				@pref.get(@format_["child"]), 
				real_line_on,
				selected,
				@items.values[@expanded][ inner_index ].attributes,
				"inside"
			)
			inner_index+=1
		elsif in_outer_region
			printmf(
				@pref.get(@format_["parent"]),
				real_line_on, 
				selected, 
				@items.keys[outer_index].attributes,
				"outside"
			)
			outer_index+=1
		else
			print "\e[2K\n"
		end

		line_on+=1
	end
end

#expand(i) ⇒ Object 



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# File 'lib/aniview/view/menu.rb', line 48

def expand(i)
	return if i > @items.length
	if @expanded == i
		@selected = @expanded
		@expanded = -1
	else
		@selected = i
		@expanded = i
	end
end

#fixCursor ⇒ Object 



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# File 'lib/aniview/view/menu.rb', line 84

def fixCursor
	#wrap selector
	#@selected = getLen - 1 if @selected < 0
	#@selected = 0 if @selected >= getLen
	#
	#nowrap
	@selected = 0 if @selected < 0
	@selected = getLen - 1 if @selected >= getLen
end

#getLen ⇒ Object 



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# File 'lib/aniview/view/menu.rb', line 94

def getLen
	len = @items.length
	len += @items.values[@expanded].length if @expanded >= 0
	return len
end

#moveCursor(dir) ⇒ Object 



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# File 'lib/aniview/view/menu.rb', line 76

def moveCursor(dir)
	@scrollup = false if dir == "down"
	@scrollup = true  if dir == "up"
	@selected -= 1 if dir == "up"
	@selected += 1 if dir == "down"
	fixCursor
end

#printmf(string, line, selected, d, loc) ⇒ Object 



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# File 'lib/aniview/view/menu.rb', line 183

def printmf(string, line, selected, d, loc)
	lo = "\e[#{line};1H"
	le = "\e[K\n"

	if loc == "outside"
		cl = $clr[@pref.get("clr")["primary"]]
	elsif loc == "inside"
		cl = $clr[@pref.get("clr")["secondary"]]
	elsif loc == "title"
		cl = $clr[@pref.get("clr")["main"]]
	end
	
	cl = $clr[@pref.get("clr")["selected"]] if selected

	pstr = []
	add_to = ""
	buffer_char = []

	percent_mode = false
	dollar_mode = false
	at_mode = false
	escape_mode = false
	padding_collected = 0

	string.split('').each { |c|
		if escape_mode == true
			add_to += String(c)
			escape_mode = false
		elsif c == '%'
			percent_mode = true
		elsif c == '$'
			dollar_mode = true
		elsif c == '@'
			pstr << add_to
			add_to = ""
			at_mode = true
		elsif c == "#"
			padding_collected += 1
		elsif c == "\\"
			escape_mode = true
		elsif at_mode
			buffer_char << c
			at_mode = false
		elsif percent_mode
			addstr = ""
			addstr = String(d[c]) if d.key?(c)
			ol = addstr.length
			while addstr.length < (ol + padding_collected)
				addstr = " " + addstr
			end

			add_to += addstr

			percent_mode = false
		elsif dollar_mode
			add_to += String($emote[c]) if $emote.key?(c)
			dollar_mode = false
		else
			add_to += c
		end
	}
	pstr << add_to

	midstr = ""
	tl = 0
	pstr.each{ |s| tl += s.length }
	buffer_space = 0
	buffer_space = (@term.cols - tl) / (pstr.length - 1) if pstr.length > 1

	addl_space = (@term.cols - tl) % pstr.length

	pstr.each_with_index{ |str, i|
		#buffer_space += addl_space if i == pstr.length - 2
		#if i == pstr.length - 1
		#puts addl_space
		#puts i == pstr.length - 1

		break if i == pstr.length - 1
		buffer_ = ""
		buffer_ = buffer_char[i] * buffer_space if buffer_space >= 0
		midstr += str + buffer_
	}
	midstr += pstr[pstr.length - 1]

	print lo + cl + midstr + le
end

#refresh ⇒ Object 



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# File 'lib/aniview/view/menu.rb', line 42

def refresh
	@items = @interface.makeHash @interface.send(@refresh_func)
	@expanded = -1 if @items.values[@expanded] == nil
	fixCursor
end

#resolveSelected(resolve_me = @selected) ⇒ Object 



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# File 'lib/aniview/view/menu.rb', line 59

def resolveSelected(resolve_me=@selected)
	in_expanded=false
	inside = 0
	outside = resolve_me
	if @expanded > -1
		if resolve_me > @expanded and resolve_me <= (@items.values[@expanded].length + @expanded)
			outside = @expanded
			inside = resolve_me - @expanded -  1
			in_expanded=true
		elsif resolve_me > @expanded
			outside = resolve_me - @items.values[@expanded].length
		end
	end

	return Hash["out" => outside, "in" => inside, "in_expanded" => in_expanded]
end

#set_screen_size(lines, cols) ⇒ Object 



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# File 'lib/aniview/view/menu.rb', line 28

def set_screen_size(lines, cols)
	#@term.rows = lines
	#@term.cols = cols
	draw
end

#setFormat(format_) ⇒ Object 



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# File 'lib/aniview/view/menu.rb', line 38

def setFormat(format_)
	@format_ = format_
end

#setName(name) ⇒ Object 



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# File 'lib/aniview/view/menu.rb', line 34

def setName(name)
	@attributes["t"] = name
end

#setRfunc(name) ⇒ Object 



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# File 'lib/aniview/view/menu.rb', line 23

def setRfunc(name)
	@refresh_func = name
	refresh
end