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Editing: dropdown.php

<?php

/**
	 * Dropdown List Control
	 *
	 * Main options:
	 *  name            => a name of the control
	 *  value           => a value to show in the control
	 *  default         => a default value of the control if the "value" option is not specified
	 *  items           => a callback to return items or an array of items to select
	 *
	 * @package factory-forms
	 * @since 1.0.0
	 */

// Exit if accessed directly
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

if ( ! class_exists( 'Wbcr_FactoryForms600_DropdownControl' ) ) {

class Wbcr_FactoryForms600_DropdownControl extends Wbcr_FactoryForms600_Control {

public $type = 'dropdown';

/**
		 * Returns a set of available items for the list.
		 *
		 * @since 1.0.0
		 * @return mixed[]
		 */
		private function getItems() {
			$data = $this->getOption( 'data', [] );

// if the data options is a valid callback for an object method
			if ( ( is_array( $data ) && count( $data ) == 2 && is_object( $data[0] ) ) || is_string( $data ) ) {

return call_user_func( $data );
			}

// if the data options is an array of values
			return $data;
		}

/**
		 * Returns true, if the data should be loaded via ajax.
		 *
		 * @since 1.0.0
		 * @return bool
		 */
		protected function isAjax() {

$data = $this->getOption( 'data', [] );

return is_array( $data ) && isset( $data['ajax'] );
		}

/**
		 * Shows the html markup of the control.
		 *
		 * @since 1.0.0
		 * @return void
		 */
		public function html() {

$way = $this->getOption( 'way', 'default' );
			$this->addHtmlData( 'way', $way );

$events_data = $this->getOption( 'events', [] );

if ( ! empty( $events_data ) ) {
				$events_string_data = json_encode( $events_data );
				$name_on_form       = $this->getNameOnForm();

$value = $this->getValue();

if ( empty( $value ) || ( is_array( $value ) && empty( $value[0] ) ) ) {
					$value = null;
				}

if ( ! empty( $value ) && isset( $events_data[ $value ] ) && is_array( $events_data[ $value ] ) ) {
					$print_styles = '';
					foreach ( $events_data[ $value ] as $eventName => $selectors ) {
						if ( $eventName == 'hide' ) {
							$print_styles .= $selectors . '{display:none;}';
						} elseif ( $eventName == 'show' ) {
							$print_styles .= $selectors . '{display:block;}';
						}
					}

echo '<style>' . esc_html( $print_styles ) . '</style>';
				}
				?>
					<script>
						// Onepress factory dropdown control events
						if( void 0 === window.factory_dropdown_control_events_data ) {
							window.factory_dropdown_control_events_data = {};
						}
						window.factory_dropdown_control_events_data['<?php echo esc_attr( $name_on_form ); ?>'] = <?php echo $events_string_data; ?>;
					</script>
					<?php
			}
			if ( $this->isAjax() ) {

$data    = $this->getOption( 'data', [] );
				$ajax_id = 'factory-dropdown-' . rand( 1000000, 9999999 );

$value = $this->getValue();

if ( empty( $value ) || ( is_array( $value ) && empty( $value[0] ) ) ) {
					$value = null;
				}

?>
					<div class="factory-ajax-loader <?php echo esc_attr( $ajax_id ) . '-loader'; ?>"></div>
					<script>
						window['<?php echo $ajax_id; ?>'] = {
							'loader': '.<?php echo esc_attr( $ajax_id ) . '-loader'; ?>',
							'url': '<?php echo esc_url( $data['url'] ); ?>',
							'data': <?php echo json_encode( $data['data'] ); ?>,
							'selected': '<?php echo esc_attr( $value ); ?>',
							'empty_list': '<?php echo esc_attr( $this->getOption( 'empty', __( 'The list is empty.', 'robin-image-optimizer' ) ) ); ?>'
						};
					</script>
					<?php

$this->addHtmlData( 'ajax', true );
					$this->addHtmlData( 'ajax-data-id', $ajax_id );
					$this->addCssClass( 'factory-hidden' );
			}

if ( 'buttons' == $way ) {
				$this->buttonsHtml();
			} elseif ( 'ddslick' == $way ) {
				$this->ddslickHtml();
			} else {
				$this->defaultHtml();
			}
		}

/**
		 * Shows the Buttons Dropdown.
		 *
		 * @since 1.0.0
		 * @return void
		 */
		protected function buttonsHtml() {
			$items = $this->getItems();
			$value = $this->getValue();

$name_on_form = $this->getNameOnForm();

$this->addCssClass( 'factory-buttons-way' );

?>
				<div <?php $this->attrs(); ?>>
					<div class="btn-group factory-buttons-group">
					<?php foreach ( $items as $item ) { ?>
							<button type="button" class="btn btn-default btn-small factory-<?php echo esc_attr( $item[0] ); ?>
							<?php
							if ( $value == $item[0] ) {
								echo 'active';
							}
							?>
							" data-value="<?php echo esc_attr( $item[0] ); ?>"><?php echo esc_attr( $item[1] ); ?></button>
						<?php } ?>
						<input type="hidden" id="<?php echo esc_attr( $name_on_form ); ?>" class="factory-result" name="<?php echo esc_attr( $name_on_form ); ?>" value="<?php echo esc_attr( $value ); ?>"/>
					</div>
					<div class="factory-hints">
						<?php foreach ( $items as $item ) { ?>
							<?php if ( isset( $item[2] ) ) { ?>
								<div class="factory-hint factory-hint-<?php echo esc_attr( $item[0] ); ?>" 
								<?php
								if ( $value !== $item[0] ) {
									echo 'style="display: none;"';
								}
								?>
								><?php echo wp_kses( $item[2], 'default' ); ?></div>
							<?php } ?>
						<?php } ?>
					</div>
				</div>
				<?php
		}

/**
		 * Shows the ddSlick dropbox.
		 *
		 * @since 3.2.8
		 * @return void
		 */
		protected function ddslickHtml() {
			$items = $this->getItems();
			$value = $this->getValue();

$name_on_form = $this->getNameOnForm();

$this->addCssClass( 'factory-ddslick-way' );
			$this->addHtmlData( 'name', $name_on_form );

$this->addHtmlData( 'width', $this->getOption( 'width', 300 ) );
			$this->addHtmlData( 'align', $this->getOption( 'imagePosition', 'right' ) );

?>
				<div <?php $this->attrs(); ?>>
					<script>
						//Dropdown plugin data
						var factory_<?php echo esc_attr( $name_on_form ); ?>_data = [
						<?php foreach ( $items as $item ) { ?>
							{
								text: "<?php echo esc_html( $item['title'] ); ?>",
								value: "<?php echo esc_html( $item['value'] ); ?>",
								selected: 
								<?php
								if ( $value == $item['value'] ) {
									echo 'true';
								} else {
									echo 'false';
								}
								?>
								,
								description: "<?php echo( isset( $item['hint'] ) ? wp_kses( $item['hint'], 'default' ) : '' ); ?>",
								imageSrc: "<?php echo( isset( $item['image'] ) ? esc_url( $item['image'] ) : '' ); ?>",
								imageHoverSrc: "<?php echo( isset( $item['hover'] ) ? esc_url( $item['hover'] ) : '' ); ?>"
							},
							<?php } ?>
						];
					</script>
					<div class="factory-ddslick"></div>
					<input type="hidden" class="factory-result" id="<?php echo esc_attr( $name_on_form ); ?>" name="<?php echo esc_attr( $name_on_form ); ?>" value="<?php echo esc_attr( $value ); ?>"/>
				</div>
				<?php
		}

/**
		 * Shows the standart dropdown.
		 *
		 * @since 1.3.1
		 * @return void
		 */
		protected function defaultHtml() {

$items = $this->getItems();
			$value = esc_attr( $this->getValue() );

$name_on_form = $this->getNameOnForm();

$this->addHtmlAttr( 'id', $name_on_form );
			$this->addHtmlAttr( 'name', $name_on_form );
			$this->addCssClass( 'form-control' );

$hasGroups = $this->getOption( 'hasGroups', true );
			$has_hints = $this->getOption( 'hasHints', false );

foreach ( $items as $item ) {
				if ( isset( $item['type'] ) && $item['type'] == 'group' && ! empty( $item['items'] ) ) {
					foreach ( (array) $item['items'] as $group_item ) {
						$is_hint = ( isset( $group_item['hint'] ) && ! empty( $group_item['hint'] ) ) || ( isset( $group_item[2] ) && ! empty( $group_item[2] ) );
						if ( ! $is_hint ) {
							continue;
						}
						$has_hints = true;
						break;
					}
					if ( $has_hints ) {
						break;
					}
				} else {
					$is_hint = ( isset( $item['hint'] ) && ! empty( $item['hint'] ) ) || ( isset( $item[2] ) && ! $item[2] );
					if ( ! $is_hint ) {
						continue;
					}
					$has_hints = true;
					break;
				}
			}

$is_empty = $this->isAjax() || empty( $items );
			// translators: empty is used as a placeholder for empty dropdown list.
			$empty_list = $this->getOption( 'empty', '- ' . __( 'empty', 'robin-image-optimizer' ) . ' -' );

?>
				<select <?php $this->attrs(); ?>>
				<?php if ( $is_empty ) { ?>
						<option value='' class="factory-empty-option">
							<?php echo $empty_list; ?>
						</option>
					<?php } else { ?>
						<?php $this->printItems( $items, $value ); ?>
					<?php } ?>
				</select>
				<?php if ( $has_hints ) { ?>
					<div class="factory-hints">
						<?php
						foreach ( $items as $item ) {
							if ( isset( $item['type'] ) && $item['type'] == 'group' && ! empty( $item['items'] ) ) {
								foreach ( (array) $item['items'] as $group_item ) {

$hint = isset( $group_item[2] ) ? wp_kses( $group_item[2], 'default' ) : null;
									$hint = isset( $group_item['hint'] ) ? wp_kses( $group_item['hint'], 'default' ) : $hint;

$value = isset( $group_item[0] ) ? esc_attr( $group_item[0] ) : null;
									$value = isset( $group_item['value'] ) ? esc_attr( $group_item['value'] ) : $value;

$this->printHint( $hint, $value, $value !== $value );
								}
							} else {
								$hint = isset( $item[2] ) ? esc_attr( $item[2] ) : null;
								$hint = isset( $item['hint'] ) ? esc_attr( $item['hint'] ) : $hint;

$value = isset( $item[0] ) ? esc_attr( $item[0] ) : null;
								$value = isset( $item['value'] ) ? esc_attr( $item['value'] ) : $value;

$this->printHint( $hint, $value, $value !== $value );
							}
						}
						?>
					</div>
				<?php } ?>
				<?php
		}

/**
		 * Print single hint markup
		 *
		 * @since 4.1.0
		 *
		 * @param string $hint
		 *
		 * @return void
		 */
		protected function printHint( $hint, $name, $is_visible = false ) {

if ( ! empty( $hint ) ) {
				$styles = ( $is_visible ) ? 'style="display: none;"' : '';

?>
					<div style="display: none;" class="factory-hint factory-hint-<?php echo esc_attr( $name ); ?>"<?php echo $styles; ?>><?php echo $hint; ?></div>
					<?php
			}
		}

/**
		 * @param array $items
		 * @param null  $selected
		 */
		protected function printItems( $items, $selected = null ) {

foreach ( (array) $items as $item ) {

$subitems = [];
				$data     = null;

// this item is an associative array
				if ( isset( $item['type'] ) || isset( $item['value'] ) ) {

$type = isset( $item['type'] ) ? $item['type'] : 'option';

if ( 'group' === $type ) {
						$subitems = isset( $item['items'] ) ? $item['items'] : [];
					}

$value = isset( $item['value'] ) ? $item['value'] : '';
					$title = isset( $item['title'] ) ? $item['title'] : '- ' . __( 'empty', 'robin-image-optimizer' ) . ' -';

$data = isset( $item['data'] ) ? $item['data'] : null;
				} else {

$type = ( count( $item ) == 3 && $item[0] === 'group' ) ? 'group' : 'option';
					if ( 'group' === $type ) {
						$subitems = $item[2];
					}

$title = $item[1];
					$value = esc_attr( $item[0] );
				}

if ( 'group' === $type ) {
					?>
						<optgroup label="<?php echo $title; ?>">
						<?php $this->printItems( $subitems, $selected ); ?>
						</optgroup>
						<?php
				} else {

$attr = ( $selected == $value ) ? 'selected="selected"' : '';

$strData = '';
					if ( ! empty( $data ) ) {

foreach ( $data as $key => $values ) {
							$strData = $strData . ' data-' . $key . '="' . ( is_array( $values ) ? implode( ',', $values ) : $values ) . '"';
						}
					}

?>
						<option value='<?php echo $value; ?>' <?php echo $attr; ?> <?php echo $strData; ?>>
						<?php echo $title; ?>
						</option>
						<?php
				}
			}
		}
	}
}

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