gpld-conditional-limits.php: Added a new snippet to enable conditional date limits.

Author: barthc

gp-limit-dates/gpld-conditional-limits.php

@@ -0,0 +1,203 @@
+<?php
+/**
+ * Gravity Wiz // Gravity Perks // GP Limit Dates // Conditional Limits
+ * https://gravitywiz.com/documentation/gravity-forms-limit-dates/
+ *
+ * Provide conditional date options for your date fields.
+ *
+ */
+class GPLD_Conditional_Limits {
+
+	private $_args = array();
+
+	public function __construct( $args = array() ) {
+		if ( ! function_exists( 'gp_limit_dates' ) ) {
+			return;
+		}
+
+		// set our default arguments, parse against the provided arguments, and store for use throughout the class
+		$this->_args = wp_parse_args( $args, array(
+			'form_id'  => false,
+			'field_id' => false,
+		) );
+
+		add_action( 'init', array( $this, 'init' ) );
+	}
+
+	public function init() {
+		add_filter( 'gform_pre_render', array( $this, 'load_form_script' ), 10, 2 );
+		add_filter( 'gform_register_init_scripts', array( $this, 'add_init_script' ), 10, 2 );
+		add_filter( 'gform_enqueue_scripts', array( $this, 'enqueue_form_scripts' ) );
+		add_action( 'gform_field_validation', array( $this, 'validate' ), 11, 4 );
+	}
+
+	public function enqueue_form_scripts( $form ) {
+		if ( $this->is_applicable_form( $form ) ) {
+			wp_enqueue_script( 'gform_conditional_logic' );
+		}
+	}
+
+	public function load_form_script( $form, $is_ajax_enabled ) {
+		if ( $this->is_applicable_form( $form ) && ! has_action( 'wp_footer', array( $this, 'output_script' ) ) ) {
+			add_action( 'wp_footer', array( $this, 'output_script' ) );
+			add_action( 'gform_preview_footer', array( $this, 'output_script' ) );
+		}
+
+		return $form;
+	}
+
+	public function output_script() {
+		?>
+
+		<script type="text/javascript">
+
+			( function( $ ) {
+
+				window.GPLDConditionalLimits = function( args ) {
+
+					var self = this;
+
+					// copy all args to current object: (list expected props)
+					for( prop in args ) {
+						if( args.hasOwnProperty( prop ) )
+							self[prop] = args[prop];
+					}
+
+					self.init = function() {
+
+						var $input = $( '#input_' + self.formId + '_' + self.fieldId );
+
+						gform.addAction( 'gform_input_change', function( elem, formId, fieldId ) {
+
+							if ( !window.GPLimitDates ) {
+								return;
+							};
+
+							for ( var i = 0; i < self.conditionals.length; i++ ) {
+								if ( gf_get_field_action( self.formId, self.conditionals[ i ].conditionalLogic ) == 'show' ) {
+
+									gform.addFilter( 'gpld_datepicker_data', function( data ) {
+										return {
+											...data, [args.fieldId]: { ...data[args.fieldId], ...self.conditionals[ i ].options }
+										}
+									} );
+
+									$input.removeClass( 'hasDatepicker' );
+									gformInitSingleDatepicker( $input );
+
+									break;
+								}
+							}
+						} );
+
+						// Trigger `gform_input_change' action on multipage form navigation
+						gf_input_change( $input, self.formId, self.fieldId );
+					};
+
+					self.init();
+				}
+
+			} )( jQuery );
+
+		</script>
+
+		<?php
+	}
+
+	public function add_init_script( $form ) {
+		if ( ! $this->is_applicable_form( $form ) ) {
+			return;
+		}
+
+		$args = array(
+			'formId'       => $this->_args['form_id'],
+			'fieldId'      => $this->_args['field_id'],
+			'conditionals' => $this->_args['conditionals'],
+		);
+
+		$script = 'new GPLDConditionalLimits( ' . json_encode( $args ) . ' );';
+		$slug   = implode( '_', array( __class__, $this->_args['form_id'], $this->_args['field_id'] ) );
+
+		GFFormDisplay::add_init_script( $this->_args['form_id'], $slug, GFFormDisplay::ON_PAGE_RENDER, $script );
+	}
+
+	public function is_applicable_form( $form ) {
+		$form_id = isset( $form['id'] ) ? $form['id'] : $form;
+
+		return empty( $this->_args['form_id'] ) || $form_id == $this->_args['form_id'];
+	}
+
+	public function is_applicable_field( $field ) {
+		$field_id = isset( $field['id'] ) ? $field['id'] : $field;
+
+		return $field['type'] == 'date' && $field['dateType'] == 'datepicker' && $field_id == $this->_args['field_id'];
+	}
+
+	public function validate( $result, $value, $form, $field ) {
+		if ( ! $this->is_applicable_field( $field ) || ! $this->is_applicable_form( $form ) ) {
+			return $result;
+		}
+
+		foreach ( $this->_args['conditionals'] as $conditional ) {
+			if ( GFCommon::evaluate_conditional_logic( $conditional['conditionalLogic'], $form, GFFormsModel::get_current_lead() ) ) {
+				add_filter( "gpld_limit_dates_options_{$this->_args['form_id']}_{$this->_args['field_id']}", function( $options ) use ( $conditional ) {
+					return array_merge( $options, $conditional['options'] );
+				} );
+
+				break;
+			}
+		}
+
+		if ( ! rgblank( $value ) && ! gp_limit_dates()->is_valid_date( $value, $field ) ) {
+			$result['is_valid'] = false;
+			$result['message']  = __( 'Please enter a valid date.', 'gp-limit-dates' );
+		}
+
+		return $result;
+	}
+}
+
+# Configuration
+
+new GPLD_Conditional_Limits( array(
+	'form_id'      => 30,
+	'field_id'     => 3,
+	'conditionals' => array(
+		array(
+			'options'          => array(
+				'minDate'    => '{today}',
+				'minDateMod' => '+2 days',
+				'daysOfWeek' => array( 1 ),
+			),
+			'conditionalLogic' => array(
+				'logicType'  => 'any',
+				'actionType' => 'show',
+				'rules'      => array(
+					array(
+						'fieldId'  => '1',
+						'operator' => 'is',
+						'value'    => '68462',
+					),
+				),
+			),
+		),
+		array(
+			'options'          => array(
+				'minDate'    => '{today}',
+				'minDateMod' => '+2 days',
+				'daysOfWeek' => array( 1, 2 ),
+			),
+			'conditionalLogic' => array(
+				'logicType'  => 'any',
+				'actionType' => 'show',
+				'rules'      => array(
+					array(
+						'fieldId'  => '1',
+						'operator' => 'is',
+						'value'    => '68502',
+					),
+				),
+			),
+		),
+	),
+) );