contact-forms / classes / Element / ColorPicker.php

ColorPicker.php in Contact Forms by Cimatti 1.9.2, at classes/Element/ColorPicker.php

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1	<?php
2	class AccuaForm_Element_ColorPicker extends Element {
3	/**
4	* Status that changes to 1 if WordPress is ready to load javascripts, and changes to 2 when color picker scripts are loaded
5	*
6	* @var int
7	*/
8	protected static $_cp_loaded_scripts = 0;
9	/**
10	* Status that changes to 1 if WordPress is ready to load styles, and changes to 2 when color picker styles are loaded
11	*
12	* @var int
13	*/
14	protected static $_cp_loaded_styles = 0;
15	/**
16	* Status that changes to TRUE when a color picker field is rendered, meaning that scripts and styles are needed
17	*
18	* @var bool
19	*/
20	protected static $_cp_required_script_styles = FALSE;
21
22	public function __construct($label, $name, array $properties = null) {
23	parent::__construct($label,$name,$properties);
24	$this->setValidation(new AccuaForm_Validation_Color());
25	}
26
27	public function jQueryDocumentReady() {
28	parent::jQueryDocumentReady();
29	echo 'jQuery("#', $this->attributes["id"], '").colorPicker({opacity: false, renderCallback: function($elm, toggled){
30	if ($elm.val() != "") {
31	$elm.val("#"+this.color.colors.HEX);
32	}
33	}});';
34	}
35
36	/**
37	* Loads scripts and styles for color picker only once, if needed, when WordPress is ready
38	*
39	* @return void
40	*/
41	protected static function maybe_load_colorPicker_scripts_styles() {
42	if (self::$_cp_required_script_styles) { // scripts and styles are needed
43	if (self::$_cp_loaded_scripts == 1) { // WordPress is ready to load scripts
44	self::$_cp_loaded_scripts = 2; // Change status to load them just once
45	wp_enqueue_script('accua-jqColorPicker', plugins_url('/js/jqColorPicker.min.js', ACCUA_FORMS_FILE ), array( 'jquery' ), ACCUA_FORMS_JS_VERSION);
46	}
47	if (self::$_cp_loaded_styles == 1) { // WordPress is ready to load styles
48	self::$_cp_loaded_styles = 2; // Change status to load them just once
49	// wp_enqueue_style(...) here if needed
50	}
51	}
52	}
53
54	/**
55	* Function called during action wp_print_scripts to change status of self::$_cp_loaded_scripts and load scripts if needed
56	*
57	* @return void
58	*/
59	public static function maybe_load_colorPicker_scripts(){
60	if (self::$_cp_loaded_scripts == 0) { // First time
61	self::$_cp_loaded_scripts = 1; // When we are in this status, WordPress is ready to load scripts
62	self::maybe_load_colorPicker_scripts_styles(); // Load scripts if they were previously set as needed
63	}
64	}
65
66	/**
67	* Function called during action wp_print_styles to change status of self::$_cp_loaded_styles and load styles if needed
68	*
69	* @return void
70	*/
71	public static function maybe_load_colorPicker_styles(){
72	if (self::$_cp_loaded_styles == 0) { // First time
73	self::$_cp_loaded_styles = 1; // When we are in this status, WordPress is ready to load styles
74	self::maybe_load_colorPicker_scripts_styles(); // Load styles if they were previously set as needed
75	}
76	}
77
78	public function render() {
79	self::$_cp_required_script_styles = TRUE; // Changing status meaning that script and styles are needed
80	self::maybe_load_colorPicker_scripts_styles(); // Load script and styles once if WordPress is ready
81	parent::render();
82	}
83	}
84