Sha256: 228c6dd4548be58e1e72e1da8bda1e5d4b156825de6383cb391881868d678e25
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Size: 1.85 KB
Versions: 13
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Contents
#!/usr/bin/env ruby -w
# encoding: UTF-8
#
# = ViewButtons.rb -- PostRunner - Manage the data from your Garmin sport devices.
#
# Copyright (c) 2015 by Chris Schlaeger <cs@taskjuggler.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of version 2 of the GNU General Public License as
# published by the Free Software Foundation.
#
module PostRunner
# This class generates a simple icon menue to select from a set of HTML
# pages (called views). The current page is represented as an inactive icon.
# All other icons are buttons that contain links to other pages.
class ViewButtons
# Create a ViewButtons object.
# @params views [Array of NavButtonDef] icons and URLs for all pages.
def initialize(views)
if views.empty?
raise ArgumentError.new("'views' must not be empty")
end
@views = views
self.current_page = views[0].url
end
# Get the URL of the current page
# @return [String]
def current_page
@current_view_url
end
# Set the the current page.
# @param page_url [String] URL of the current page. This must either be
# nil or a URL in the predefined set.
def current_page=(page_url)
unless page_url
@current_view_url = nil
return
end
if (current = @views.find { |v| v.url == page_url })
@current_view_url = current.url
else
raise ArgumentError.new("#{page_url} is not a URL of a known view")
end
end
# Iterate over all buttons. A NavButtonDef object is passed to the block
# that contains the icon and URL for the button. If no URL is set, the
# button is inactive.
def each
@views.each do |view|
view = view.clone
if @current_view_url == view.url
view.url = nil
end
yield(view)
end
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems