# frozen_string_literal: true
# Here's a little library for quickly hooking up controls to sketches.
# For messing with the parameters and such.
# These controls will set instance variables on the sketches.
# You can make sliders, checkboxes, buttons, and drop-down menus.
# (optionally) pass the range and default value.
module ControlPanel
# class used to create slider elements for control_panel
class Slider < javax.swing.JSlider
def initialize(control_panel, name, range, initial_value, proc = nil)
min = range.begin * 100
max = (
(range.exclude_end? && range.begin.respond_to?(:succ)) ?
range.max : range.end) * 100
super(min, max)
set_minor_tick_spacing((max - min).abs / 10)
set_paint_ticks true
# paint_labels = true
set_preferred_size(java.awt.Dimension.new(190, 30))
label = control_panel.add_element(self, name)
add_change_listener do
update_label(label, name, value)
Processing.app.instance_variable_set("@#{name}", value) unless value.nil?
proc.call(value) if proc
end
set_value(initial_value ? initial_value * 100 : min)
fire_state_changed
end
def value
get_value / 100.0
end
def update_label(label, name, value)
value = value.to_s
value << '0' if value.length < 4
label.set_text "<html><br><b>#{name}: #{value}</b></html>"
end
end
# class used to combo_box menu elements for control_panel
class Menu < javax.swing.JComboBox
def initialize(control_panel, name, elements, initial_value, proc = nil)
super(elements.to_java(:String))
set_preferred_size(java.awt.Dimension.new(190, 30))
control_panel.add_element(self, name)
add_action_listener do
Processing.app.instance_variable_set("@#{name}", value) unless value.nil?
proc.call(value) if proc
end
set_selected_index(initial_value ? elements.index(initial_value) : 0)
end
def value
get_selected_item
end
end
# Creates check-box elements for control_panel
class Checkbox < javax.swing.JCheckBox
def initialize(control_panel, name, proc = nil)
@control_panel = control_panel
super(name.to_s)
set_preferred_size(java.awt.Dimension.new(190, 64))
set_horizontal_alignment javax.swing.SwingConstants::CENTER
control_panel.add_element(self, name, false)
add_action_listener do
Processing.app.instance_variable_set("@#{name}", value) unless value.nil?
proc.call(value) if proc
end
end
def value
is_selected
end
end
# Creates button elements for control_panel
class Button < javax.swing.JButton
def initialize(control_panel, name, proc = nil)
super(name.to_s)
set_preferred_size(java.awt.Dimension.new(170, 64))
control_panel.add_element(self, name, false, true)
add_action_listener do
Processing.app.send(name.to_s)
proc.call(value) if proc
end
end
end
# class used to contain control_panel elements
class Panel < javax.swing.JFrame
java_import javax.swing.UIManager
attr_accessor :elements, :panel
def initialize
super()
@elements = []
@panel = javax.swing.JPanel.new(java.awt.FlowLayout.new(1, 0, 0))
set_feel
end
def title(name)
set_title(name)
end
def display
add panel
set_size 200, 30 + (64 * elements.size)
set_default_close_operation javax.swing.JFrame::HIDE_ON_CLOSE
set_resizable false
set_location(Processing.app.width + 10, 0) unless Processing.app.width + 10 > Processing.app.displayWidth
panel.visible = true
end
def add_element(element, name, has_label = true, _button_ = false)
if has_label
label = javax.swing.JLabel.new("<html><br><b>#{name}</b></html>")
panel.add label
end
elements << element
panel.add element
has_label ? label : nil
end
def remove
remove_all
dispose
end
def slider(name, range = 0..100, initial_value = nil, &block)
Slider.new(self, name, range, initial_value, block || nil)
end
def menu(name, elements, initial_value = nil, &block)
Menu.new(self, name, elements, initial_value, block || nil)
end
def checkbox(name, initial_value = false, &block)
checkbox = Checkbox.new(self, name, block || nil)
checkbox.do_click if initial_value == true
end
def button(name, &block)
Button.new(self, name, block || nil)
end
def look_feel(lf)
set_feel(lf)
end
private
def set_feel(lf = 'metal')
lafinfo = javax.swing.UIManager.getInstalledLookAndFeels
laf = lafinfo.to_ary.select do |info|
info.name =~ Regexp.new(Regexp.escape(lf), Regexp::IGNORECASE)
end
javax.swing.UIManager.setLookAndFeel(laf[0].class_name)
end
end
# instance methods module
module InstanceMethods
def control_panel
@control_panel ||= ControlPanel::Panel.new
return @control_panel unless block_given?
yield(@control_panel)
@control_panel.display
end
end
end
Processing::App.include(ControlPanel::InstanceMethods)