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<?php
if ( ! class_exists( 'GFForms' ) ) {
die();
}
class GF_Field_Textarea extends GF_Field {
public $type = 'textarea';
public function get_form_editor_field_title() {
return esc_attr__( 'Paragraph Text', 'gravityforms' );
}
function get_form_editor_field_settings() {
return array(
'conditional_logic_field_setting',
'prepopulate_field_setting',
'error_message_setting',
'label_setting',
'label_placement_setting',
'admin_label_setting',
'maxlen_setting',
'size_setting',
'rules_setting',
'visibility_setting',
'duplicate_setting',
'default_value_textarea_setting',
'placeholder_textarea_setting',
'description_setting',
'css_class_setting',
'rich_text_editor_setting',
);
}
public function is_conditional_logic_supported() {
return true;
}
public function allow_html() {
return empty( $this->useRichTextEditor ) ? false : true;
}
public function get_field_input( $form, $value = '', $entry = null ) {
$form_id = absint( $form['id'] );
$is_entry_detail = $this->is_entry_detail();
$is_form_editor = $this->is_form_editor();
$is_admin = $is_entry_detail || $is_form_editor;
$id = intval( $this->id );
$field_id = $is_entry_detail || $is_form_editor || $form_id == 0 ? "input_$id" : 'input_' . $form_id . "_$id";
$size = $this->size;
$class_suffix = $is_entry_detail ? '_admin' : '';
$class = $size . $class_suffix;
$class = esc_attr( $class );
$disabled_text = $is_form_editor ? 'disabled="disabled"' : '';
$logic_event = $this->get_conditional_logic_event( 'keyup' );
$placeholder_attribute = $this->get_field_placeholder_attribute();
$required_attribute = $this->isRequired ? 'aria-required="true"' : '';
$invalid_attribute = $this->failed_validation ? 'aria-invalid="true"' : 'aria-invalid="false"';
$tabindex = $this->get_tabindex();
if ( $this->get_allowable_tags() === false ) {
$value = esc_textarea( $value );
}
//see if the field is set to use the rich text editor
if ( $this->useRichTextEditor && ! $is_admin ) {
//placeholders cannot be used with the rte; message displayed in admin when this occurs
//field cannot be used in conditional logic by another field; message displayed in admin and field removed from conditional logic drop down
$tabindex = GFCommon::$tab_index > 0 ? GFCommon::$tab_index ++ : '';
add_filter( 'mce_buttons', array( $this, 'filter_mce_buttons' ), 10, 2 );
/**
* Filters the field options for the rich text editor.
*
* @since 2.0.0
*
* @param array $editor_settings Array of settings that can be changed.
* @param object $this The field object
* @param array $form Current form object
* @param array $entry Current entry object, if available
*
* Additional filters for specific form and fields IDs.
*/
$editor_settings = apply_filters( 'gform_rich_text_editor_options', array(
'textarea_name' => 'input_' . $id,
'wpautop' => true,
'editor_class' => $class,
'editor_height' => rgar( array( 'small' => 110, 'medium' => 180, 'large' => 280 ), $this->size ? $this->size : 'medium' ),
'tabindex' => $tabindex,
'media_buttons' => false,
'quicktags' => false,
'tinymce' => array( 'init_instance_callback' => "function (editor) {
editor.on( 'keyup paste mouseover', function (e) {
var content = editor.getContent( { format: 'text' } ).trim();
var textarea = jQuery( '#' + editor.id );
textarea.val( content ).trigger( 'keyup' ).trigger( 'paste' ).trigger( 'mouseover' );
});}" ),
), $this, $form, $entry );
$editor_settings = apply_filters( sprintf( 'gform_rich_text_editor_options_%d', $form['id'] ), $editor_settings, $this, $form, $entry );
$editor_settings = apply_filters( sprintf( 'gform_rich_text_editor_options_%d_%d', $form['id'], $this->id ), $editor_settings, $this, $form, $entry );
if ( ! has_action( 'wp_tiny_mce_init', array( __class__, 'start_wp_tiny_mce_init_buffer' ) ) ) {
add_action( 'wp_tiny_mce_init', array( __class__, 'start_wp_tiny_mce_init_buffer' ) );
}
ob_start();
wp_editor( $value, $field_id, $editor_settings );
$input = ob_get_clean();
remove_filter( 'mce_buttons', array( $this, 'filter_mce_buttons' ), 10 );
} else {
$input = '';
$input_style = '';
// RTE preview
if ( $this->is_form_editor() ) {
$display = $this->useRichTextEditor ? 'block' : 'none';
$input_style = $this->useRichTextEditor ? 'style="display:none;"' : '';
$size = $this->size ? $this->size : 'medium';
$input = sprintf( '<div id="%s_rte_preview" class="gform-rte-preview %s" style="display:%s"></div>', $field_id, $size, $display );
}
$input .= "<textarea name='input_{$id}' id='{$field_id}' class='textarea {$class}' {$tabindex} {$logic_event} {$placeholder_attribute} {$required_attribute} {$invalid_attribute} {$disabled_text} {$input_style} rows='10' cols='50'>{$value}</textarea>";
}
return sprintf( "<div class='ginput_container ginput_container_textarea'>%s</div>", $input );
}
public function validate( $value, $form ) {
if ( ! is_numeric( $this->maxLength ) ) {
return;
}
$value = strip_tags( $value );
if ( GFCommon::safe_strlen( $value ) > $this->maxLength ) {
$this->failed_validation = true;
$this->validation_message = empty( $this->errorMessage ) ? esc_html__( 'The text entered exceeds the maximum number of characters.', 'gravityforms' ) : $this->errorMessage;
}
}
public static function start_wp_tiny_mce_init_buffer() {
ob_start();
add_action( 'after_wp_tiny_mce', array( __class__, 'end_wp_tiny_mce_init_buffer' ), 1 );
}
public static function end_wp_tiny_mce_init_buffer() {
$script = ob_get_clean();
$pattern = '/(<script.*>)([\s\S]+)(<\/script>)/';
preg_match_all( $pattern, $script, $matches, PREG_SET_ORDER );
foreach ( $matches as $match ) {
list( $search, $open_tag, $guts, $close_tag ) = $match;
$custom = 'for( var id in tinymce.editors ) { tinymce.EditorManager.remove( tinymce.editors[id] ); }';
$replace = sprintf( "%s\njQuery( document ).bind( 'gform_post_render', function() { \n%s\n%s } );\n%s", $open_tag, $custom, $guts, $close_tag );
$script = str_replace( $search, $replace, $script );
}
echo $script;
}
public function filter_mce_buttons( $mce_buttons, $editor_id ) {
$remove_key = array_search( 'wp_more', $mce_buttons );
if ( $remove_key !== false ) {
unset( $mce_buttons[ $remove_key ] );
}
/**
* Filters the buttons within the TinyMCE editor
*
* @since 2.0.0
*
* @param array $mce_buttons Buttons to be included.
* @param string $editor_id HTML ID of the field.
* @param object $this The field object
*
* Additional filters for specific form and fields IDs.
*/
$mce_buttons = apply_filters( 'gform_rich_text_editor_buttons', $mce_buttons, $editor_id, $this );
$mce_buttons = apply_filters( sprintf( 'gform_rich_text_editor_buttons_%d', $this->formId ), $mce_buttons, $editor_id, $this );
$mce_buttons = apply_filters( sprintf( 'gform_rich_text_editor_buttons_%d_%d', $this->formId, $this->id ), $mce_buttons, $editor_id, $this );
return $mce_buttons;
}
/**
* Format the entry value for display on the entry detail page and for the {all_fields} merge tag.
* Return a value that's safe to display for the context of the given $format.
*
* @param string|array $value The field value.
* @param string $currency The entry currency code.
* @param bool|false $use_text When processing choice based fields should the choice text be returned instead of the value.
* @param string $format The format requested for the location the merge is being used. Possible values: html, text or url.
* @param string $media The location where the value will be displayed. Possible values: screen or email.
*
* @return string
*/
public function get_value_entry_detail( $value, $currency = '', $use_text = false, $format = 'html', $media = 'screen' ) {
if ( $format === 'html' ) {
$allowable_tags = $this->get_allowable_tags();
if ( $allowable_tags === false ) {
// The value is unsafe so encode the value.
$value = esc_html( $value );
$return = nl2br( $value );
} else {
// The value contains HTML but the value was sanitized before saving.
$return = wpautop( $value );
}
} else {
$return = $value;
}
return $return;
}
/**
* Format the entry value for when the field/input merge tag is processed. Not called for the {all_fields} merge tag.
*
* Return a value that is safe for the context specified by $format.
*
* @since Unknown
* @access public
*
* @param string|array $value The field value. Depending on the location the merge tag is being used the following functions may have already been applied to the value: esc_html, nl2br, and urlencode.
* @param string $input_id The field or input ID from the merge tag currently being processed.
* @param array $entry The Entry Object currently being processed.
* @param array $form The Form Object currently being processed.
* @param string $modifier The merge tag modifier. e.g. value
* @param string|array $raw_value The raw field value from before any formatting was applied to $value.
* @param bool $url_encode Indicates if the urlencode function may have been applied to the $value.
* @param bool $esc_html Indicates if the esc_html function may have been applied to the $value.
* @param string $format The format requested for the location the merge is being used. Possible values: html, text or url.
* @param bool $nl2br Indicates if the nl2br function may have been applied to the $value.
*
* @return string
*/
public function get_value_merge_tag( $value, $input_id, $entry, $form, $modifier, $raw_value, $url_encode, $esc_html, $format, $nl2br ) {
if ( $format === 'html' ) {
$form_id = absint( $form['id'] );
$allowable_tags = $this->get_allowable_tags( $form_id );
if ( $allowable_tags === false ) {
// The raw value is unsafe so escape it.
$return = esc_html( $raw_value );
// Run nl2br() to preserve line breaks when auto-formatting is disabled on notifications/confirmations.
$return = nl2br( $return );
} else {
// The value contains HTML but the value was sanitized before saving.
$return = wpautop( $raw_value );
}
} else {
$return = $value;
}
return $return;
}
}
GF_Fields::register( new GF_Field_Textarea() );