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#!/usr/bin/env ruby -w
# encoding: UTF-8
#
# = AlertLevelDefinitions.rb -- The TaskJuggler III Project Management Software
#
# Copyright (c) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014
# 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.
#
class TaskJuggler
# This class holds all information to describe a alert level as used by
# TaskJuggler. A level has a unique ID, a unique name and a unique color.
# Colors are stored as HTML compatible strings, e. g. "#RGB" where R, G, B
# are a single or two-digit hex value.
class AlertLevelDefinition < Struct.new(:id, :name, :color)
def to_s
"#{id} '#{name}' '#{color}'"
end
end
# This class holds a list of AlertLevelDefinition objects. There are 3
# default levels. If they are changed, the :modified flag will indicate
# this.
class AlertLevelDefinitions
def initialize
# By default, we have a green, a yellow and a red level defined.
@levels = []
add(AlertLevelDefinition.new('green', 'Green', '#008000'))
add(AlertLevelDefinition.new('yellow', 'Yellow', '#BEA800'))
add(AlertLevelDefinition.new('red', 'Red', '#C00000'))
# Since those are the default values, we reset the modified flag.
@modified = false
end
# Remove all AlertLevelDefinition objects from the list.
def clear
@levels = []
@modified = true
end
# Add a new AlertLevelDefinition.
def add(level)
raise ArgumentError unless level.is_a?(AlertLevelDefinition)
if indexById(level.id) || indexByName(level.name)
raise ArgumentError, "ID and name must be unique"
end
@levels << level
@modified = true
end
# Return true if the alert levels are no longer the default ones,
# otherwise return false.
def modified?
@modified
end
# Try to match _id_ to a defined alert level ID and return the
# index of it. If no level is found, nil is returned.
def indexById(id)
@levels.index { |level| id == level.id }
end
# Try to match _name_ to a defined alert level ID and return the
# index of it. If no level is found, nil is returned.
def indexByName(name)
@levels.index { |level| name == level.name }
end
# Try to match _color_ to a defined alert level ID and return the
# index of it. If no level is found, nil is returned.
def indexByColor(color)
@levels.index { |level| color == level.color }
end
# Return the AlertLevelDefinition at _index_ or nil if _index_ is out of
# range.
def [](index)
@levels[index]
end
# Pass map call to @levels.
def map(&block)
@levels.map(&block)
end
# Return the definition of the alert levels in TJP syntax.
def to_tjp
"alertlevels #{@levels.join(",\n")}"
end
end
end
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