Class: PulseMeter::Visualize::DSL::Widget

Inherits:
Object
  • Object
show all
Includes:
Mixins::Utils
Defined in:
lib/pulse-meter/visualize/dsl/widget.rb

Constant Summary collapse

DEFAULT_WIDTH = 
10
DEFAULT_TIMESPAN =

One day

60 * 60 * 24

Instance Method Summary collapse

Methods included from Mixins::Utils

#assert_positive_integer!, #assert_ranged_float!, #camelize, #camelize_keys, #constantize, #titleize, #uniqid

Constructor Details

#initialize(type, title = '') ⇒ Widget

Returns a new instance of Widget.

Raises:



10
11
12
13
14
15
16
17
18
19
20
 
# File 'lib/pulse-meter/visualize/dsl/widget.rb', line 10

def initialize(type, title = '')
  raise BadWidgetType, type if type.to_s.empty?
  @type = type
  @title = title.to_s || ''
  @values_label = ''
  @width = DEFAULT_WIDTH
  @sensors = []
  @show_last_point = false
  @redraw_interval = nil
  @timespan = DEFAULT_TIMESPAN
end

Instance Method Details

#process_args(args) ⇒ Object 



22
23
24
25
26
27
28
 
# File 'lib/pulse-meter/visualize/dsl/widget.rb', line 22

def process_args(args)
  [:sensor, :title, :width, :values_label, :show_last_point, :redraw_interval, :timespan].each do |arg|
    if args.has_key?(arg)
      send(arg, args[arg])
    end
  end
end

#redraw_interval(new_redraw_interval) ⇒ Object

Raises:



30
31
32
33
34
 
# File 'lib/pulse-meter/visualize/dsl/widget.rb', line 30

def redraw_interval(new_redraw_interval)
  new_redraw_interval = new_redraw_interval.to_i
  raise BadWidgetRedrawInterval, new_redraw_interval unless new_redraw_interval > 0
  @redraw_interval = new_redraw_interval
end

#sensor(name, sensor_args = nil) ⇒ Object 



61
62
63
64
65
 
# File 'lib/pulse-meter/visualize/dsl/widget.rb', line 61

def sensor(name, sensor_args = nil) 
  s = PulseMeter::Visualize::DSL::Sensor.new(name)
  s.process_args(sensor_args) if sensor_args
  @sensors << s
end

#show_last_point(new_show_last_point) ⇒ Object 



36
37
38
 
# File 'lib/pulse-meter/visualize/dsl/widget.rb', line 36

def show_last_point(new_show_last_point)
  @show_last_point = !!new_show_last_point
end

#timespan(new_timespan) ⇒ Object

Raises:



40
41
42
43
44
 
# File 'lib/pulse-meter/visualize/dsl/widget.rb', line 40

def timespan(new_timespan)
  new_timespan = new_timespan.to_i
  raise BadWidgetTimeSpan, new_timespan unless new_timespan > 0
  @timespan = new_timespan
end

#title(new_title) ⇒ Object 



50
51
52
 
# File 'lib/pulse-meter/visualize/dsl/widget.rb', line 50

def title(new_title)
  @title = new_title.to_s || ''
end

#to_widget ⇒ Object 



67
68
69
70
71
72
73
74
75
76
77
78
79
 
# File 'lib/pulse-meter/visualize/dsl/widget.rb', line 67

def to_widget
  args = {
    title: @title,
    type: @type,
    values_label: @values_label,
    width: @width,
    sensors: @sensors.map(&:to_sensor),
    redraw_interval: @redraw_interval,
    show_last_point: @show_last_point,
    timespan: @timespan
  }
  PulseMeter::Visualize::Widget.new(args)
end

#values_label(new_label) ⇒ Object 



46
47
48
 
# File 'lib/pulse-meter/visualize/dsl/widget.rb', line 46

def values_label(new_label)
  @values_label = new_label.to_s
end

#width(new_width) ⇒ Object

Raises:



54
55
56
57
58
59
 
# File 'lib/pulse-meter/visualize/dsl/widget.rb', line 54

def width(new_width)
  raise BadWidgetWidth, new_width unless new_width.respond_to?(:to_i)
  w = new_width.to_i
  raise BadWidgetWidth, new_width unless w > 0 && w <= 10
  @width = new_width.to_i
end