acf-cf7-v4.php

<?php

class acf_field_cf7 extends acf_field {

	// vars
	var $settings, // will hold info such as dir / path
		$defaults; // will hold default field options


	/*
	*  __construct
	*
	*  Set name / label needed for actions / filters
	*
	*  @since	3.6
	*  @date	23/01/13
	*/

	function __construct()
	{
		// vars
		$this->name = 'cf7';
		$this->label = __('Contact Form 7');
		$this->category = __("Relational",'acf'); // Basic, Content, Choice, etc
		$this->defaults = array(
			'allow_null'	=> 0,
			'multiple'		=> 0,
		);


		// do not delete!
		parent::__construct();


		// settings
		$this->settings = array(
			'path' => apply_filters('acf/helpers/get_path', __FILE__),
			'dir' => apply_filters('acf/helpers/get_dir', __FILE__),
			'version' => '1.0.0'
		);

	}


	/*
	*  create_options()
	*
	*  Create extra options for your field. This is rendered when editing a field.
	*  The value of $field['name'] can be used (like below) to save extra data to the $field
	*
	*  @type	action
	*  @since	3.6
	*  @date	23/01/13
	*
	*  @param	$field	- an array holding all the field's data
	*/

	function create_options( $field )
	{
		// vars
		$defaults = array(
			'multiple'    =>  0,
			'allow_null'  =>  0,
			'default_value' => '',
			'choices'   =>  '',
		);

		$field = array_merge($defaults, $field);
		$key = $field['name'];
		?>
		<tr class="field_option field_option_<?php echo $this->name; ?>">
			<td class="label">
				<label><?php _e("Allow Null?",'acf'); ?></label>
			</td>
			<td>
				<?php
				do_action('acf/create_field', array(
					'type'  =>  'radio',
					'name'  =>  'fields['.$key.'][allow_null]',
					'value' =>  $field['allow_null'],
					'choices' =>  array(
						1 =>  __("Yes",'acf'),
						0 =>  __("No",'acf'),
					),
					'layout'  =>  'horizontal',
				));
				?>
			</td>
		</tr>
		<tr class="field_option field_option_<?php echo $this->name; ?>">
			<td class="label">
				<label><?php _e("Select Multiple?",'acf'); ?></label>
			</td>
			<td>
				<?php
				do_action('acf/create_field', array(
					'type'  =>  'radio',
					'name'  =>  'fields['.$key.'][multiple]',
					'value' =>  $field['multiple'],
					'choices' =>  array(
						1 =>  __("Yes",'acf'),
						0 =>  __("No",'acf'),
					),
					'layout'  =>  'horizontal',
				));
				?>
			</td>
		</tr>
		<?php
	}


	/*
	*  create_field()
	*
	*  Create the HTML interface for your field
	*
	*  @param	$field - an array holding all the field's data
	*
	*  @type	action
	*  @since	3.6
	*  @date	23/01/13
	*/

	function create_field( $field )
	{
		$field['multiple'] = isset($field['multiple']) ? $field['multiple'] : false;

		// Add multiple select functionality as required
		$multiple = '';
		if($field['multiple'] == '1'){
			$multiple = ' multiple="multiple" size="5" ';
			$field['name'] .= '[]';
		}

		// Begin HTML select field
		echo '<select id="' . $field['name'] . '" class="' . $field['class'] . '" name="' . $field['name'] . '" ' . $multiple . ' >';

		// Add null value as required
		if($field['allow_null'] == '1'){
			echo '<option value="null"> - Select - </option>';
		}


		// Display all contact form 7 forms
		$forms = get_posts(array('post_type' => 'wpcf7_contact_form', 'orderby' => 'id', 'order' => 'ASC', 'posts_per_page' => -1, 'numberposts' => -1));
		if($forms){
			foreach($forms as $k => $form){
				$key = $form->ID;
				$value = $form->post_title;
				$selected = '';

				// Mark form as selected as required
				if(is_array($field['value'])){
					// If the value is an array (multiple select), loop through values and check if it is selected
					if(in_array($key, $field['value'])){
						$selected = 'selected="selected"';
					}
				}else{
					// If not a multiple select, just check normaly
					if($key == $field['value']){
						$selected = 'selected="selected"';
					}
				}
				echo '<option value="'.$key.'" '.$selected.'>'.$value.'</option>';
			}
		}

		echo '</select>';
	}


	/*
	*  input_admin_enqueue_scripts()
	*
	*  This action is called in the admin_enqueue_scripts action on the edit screen where your field is created.
	*  Use this action to add CSS + JavaScript to assist your create_field() action.
	*
	*  $info	http://codex.wordpress.org/Plugin_API/Action_Reference/admin_enqueue_scripts
	*  @type	action
	*  @since	3.6
	*  @date	23/01/13
	*/

/*
	function input_admin_enqueue_scripts()
	{
		// Note: This function can be removed if not used


		// register ACF scripts
		wp_register_script( 'acf-input-cf7', $this->settings['dir'] . 'js/input.js', array('acf-input'), $this->settings['version'] );
		wp_register_style( 'acf-input-cf7', $this->settings['dir'] . 'css/input.css', array('acf-input'), $this->settings['version'] );


		// scripts
		wp_enqueue_script(array(
			'acf-input-cf7',
		));

		// styles
		wp_enqueue_style(array(
			'acf-input-cf7',
		));


	}
*/

	/*
	*  input_admin_head()
	*
	*  This action is called in the admin_head action on the edit screen where your field is created.
	*  Use this action to add CSS and JavaScript to assist your create_field() action.
	*
	*  @info	http://codex.wordpress.org/Plugin_API/Action_Reference/admin_head
	*  @type	action
	*  @since	3.6
	*  @date	23/01/13
	*/

	function input_admin_head()
	{
		// Note: This function can be removed if not used
	}


	/*
	*  field_group_admin_enqueue_scripts()
	*
	*  This action is called in the admin_enqueue_scripts action on the edit screen where your field is edited.
	*  Use this action to add CSS + JavaScript to assist your create_field_options() action.
	*
	*  $info	http://codex.wordpress.org/Plugin_API/Action_Reference/admin_enqueue_scripts
	*  @type	action
	*  @since	3.6
	*  @date	23/01/13
	*/

	function field_group_admin_enqueue_scripts()
	{
		// Note: This function can be removed if not used
	}


	/*
	*  field_group_admin_head()
	*
	*  This action is called in the admin_head action on the edit screen where your field is edited.
	*  Use this action to add CSS and JavaScript to assist your create_field_options() action.
	*
	*  @info	http://codex.wordpress.org/Plugin_API/Action_Reference/admin_head
	*  @type	action
	*  @since	3.6
	*  @date	23/01/13
	*/

	function field_group_admin_head()
	{
		// Note: This function can be removed if not used
	}


	/*
	*  load_value()
	*
		*  This filter is applied to the $value after it is loaded from the db
	*
	*  @type	filter
	*  @since	3.6
	*  @date	23/01/13
	*
	*  @param	$value - the value found in the database
	*  @param	$post_id - the $post_id from which the value was loaded
	*  @param	$field - the field array holding all the field options
	*
	*  @return	$value - the value to be saved in the database
	*/

	function load_value( $value, $post_id, $field )
	{
		// Note: This function can be removed if not used
		return $value;
	}


	/*
	*  update_value()
	*
	*  This filter is applied to the $value before it is updated in the db
	*
	*  @type	filter
	*  @since	3.6
	*  @date	23/01/13
	*
	*  @param	$value - the value which will be saved in the database
	*  @param	$post_id - the $post_id of which the value will be saved
	*  @param	$field - the field array holding all the field options
	*
	*  @return	$value - the modified value
	*/

	function update_value( $value, $post_id, $field )
	{
		// Note: This function can be removed if not used
		return $value;
	}


	/*
	*  format_value()
	*
	*  This filter is applied to the $value after it is loaded from the db and before it is passed to the create_field action
	*
	*  @type	filter
	*  @since	3.6
	*  @date	23/01/13
	*
	*  @param	$value	- the value which was loaded from the database
	*  @param	$post_id - the $post_id from which the value was loaded
	*  @param	$field	- the field array holding all the field options
	*
	*  @return	$value	- the modified value
	*/

	function format_value( $value, $post_id, $field )
	{
		// defaults?
		/*
		$field = array_merge($this->defaults, $field);
		*/

		// perhaps use $field['preview_size'] to alter the $value?


		// Note: This function can be removed if not used
		return $value;
	}


	/*
	*  format_value_for_api()
	*
	*  This filter is applied to the $value after it is loaded from the db and before it is passed back to the API functions such as the_field
	*
	*  @type	filter
	*  @since	3.6
	*  @date	23/01/13
	*
	*  @param	$value	- the value which was loaded from the database
	*  @param	$post_id - the $post_id from which the value was loaded
	*  @param	$field	- the field array holding all the field options
	*
	*  @return	$value	- the modified value
	*/

	function format_value_for_api( $value, $post_id, $field )
	{
		if(!$value || $value == 'null'){
			return false;
		}

		//If there are multiple forms, construct and return an array of form markup
		if(is_array($value)){
			foreach($value as $k => $v){
				$form = get_post($v);
				$f = do_shortcode('[contact-form-7 id="'.$form->ID.'" title="'.$form->post_title.'"]');
				$value[$k] = array();
				$value[$k] = $f;
			}
		//Else return single form markup
		}else{
			$form = get_post($value);
			$value = do_shortcode('[contact-form-7 id="'.$form->ID.'" title="'.$form->post_title.'"]');
		}

		return $value;
	}


	/*
	*  load_field()
	*
	*  This filter is applied to the $field after it is loaded from the database
	*
	*  @type	filter
	*  @since	3.6
	*  @date	23/01/13
	*
	*  @param	$field - the field array holding all the field options
	*
	*  @return	$field - the field array holding all the field options
	*/

	function load_field( $field )
	{
		// Note: This function can be removed if not used
		return $field;
	}


	/*
	*  update_field()
	*
	*  This filter is applied to the $field before it is saved to the database
	*
	*  @type	filter
	*  @since	3.6
	*  @date	23/01/13
	*
	*  @param	$field - the field array holding all the field options
	*  @param	$post_id - the field group ID (post_type = acf)
	*
	*  @return	$field - the modified field
	*/

	function update_field( $field, $post_id )
	{
		// Note: This function can be removed if not used
		return $field;
	}


}


// create field
new acf_field_cf7();

?>