conversion.php
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<?php
final class NF_Layouts_Conversion
{
var $part_array = array();
var $part_count = - 1;
var $conditions = array();
public function __construct()
{
add_filter( 'ninja_forms_after_upgrade_settings', array( $this, 'upgrade_field_settings' ), 11 );
}
public function upgrade_field_settings( $form_data )
{
if ( isset( $form_data[ 'settings' ][ 'formContentData' ] ) ) return $form_data;
if ( isset ( $form_data[ 'settings' ][ 'conditions' ] ) ) {
$this->conditions = $form_data[ 'settings' ][ 'conditions' ];
}
/*
* Add our fields to the appropriate part.
*/
array_walk( $form_data[ 'fields' ], array( $this, 'divider_check' ), $form_data );
/*
* If we have parts, set our formContentData to the parts array.
*/
if ( -1 != $this->part_count ) {
/*
* If Layouts & Styles data is present, pass our parts through a layout conversion.
*/
if ( isset ( $form_data[ 'settings' ][ 'style' ] ) ) {
array_walk( $this->part_array, array( $this, 'layout_check' ), $form_data );
}
/*
* Add else statements to our conditions.
*/
array_walk( $this->conditions, array( $this, 'conditions_add_else' ) );
/*
* Remove any page_divider types we have in our array.
*/
usort( $form_data[ 'fields' ], array( $this, 'sort_fields' ) );
$form_data[ 'fields' ] = array_filter( $form_data[ 'fields' ], array( $this, 'remove_dividers' ) );
$form_data[ 'settings' ][ 'formContentData' ] = $this->part_array;
$form_data[ 'settings' ][ 'conditions' ] = $this->conditions;
} else {
/*
* We don't have any parts, so pass the fields through our convert layouts function.
*/
$cols = ( isset ( $form_data[ 'settings' ][ 'style' ] ) ) ? $form_data[ 'settings' ][ 'style' ][ 'cols' ] : 0;
$form_data[ 'settings' ][ 'formContentData' ] = $this->convert_layouts( $cols, $form_data[ 'fields' ] );
}
return $form_data;
}
public function divider_check( $field, $index, $form_data )
{
if ( 'page_divider' == $field[ 'type' ] ) {
$this->part_count++;
$this->part_array[ $this->part_count ] = array(
'title' => ( isset( $field[ 'label' ] ) && ! empty( $field[ 'label' ] ) ) ? $field[ 'label' ] : 'Part ' . ( $this->part_count + 1 ),
'order' => $this->part_count,
'type' => 'part',
'key' => uniqid(),
'formContentData' => array(),
);
/*
* Check to see if this page divider is referenced in any conditions. If it is, update those references.
*/
$this->check_conditions( $field, $this->part_array[ $this->part_count ] );
} else if ( ! isset ( $form_data[ 'settings' ][ 'style' ] ) ) {
$this->part_array[ $this->part_count ][ 'formContentData' ][] = $field[ 'key' ];
} else {
$this->part_array[ $this->part_count ][ 'formContentData' ][] = $field;
}
}
public function remove_dividers( $field ) {
return 'page_divider' != $field[ 'type' ];
}
public function layout_check( &$part, $index, $form_data ) {
$part[ 'formContentData' ] = $this->convert_layouts( $form_data[ 'settings' ][ 'style' ][ 'mp' ][ $index + 1 ][ 'cols' ], $part[ 'formContentData' ] );
}
public function convert_layouts( $cols, $fields ) {
/*
* If we have no columns, return a default formContentData
*/
if ( empty( $cols ) ) {
usort( $fields, array( $this, 'sort_fields' ) );
$formContentData = array();
for( $i = 0; $i < count( $fields ); $i++ ){
$formContentData[] = array(
'order' => 0,
'cells' => array(
array(
'order' => 0,
'fields' => array(
$fields[ $i ][ 'key' ]
),
'width' => 100
)
)
);
}
return $formContentData;
}
/*
* Try to catch any bad layout errors.
*/
$rows = array();
$roworder = 0;
$coltrack = 0;
$cells = array();
$cellorder = 0;
for ( $i = 0; $i < count( $fields ); $i++ ) {
/*
* If we don't have a colspan set, it should be equal to our cols.
*/
if ( ! isset( $fields[ $i ][ 'style' ][ 'colspan' ] ) ) {
$fields[ $i ][ 'style' ][ 'colspan' ] = $cols;
}
if ( $fields[ $i ][ 'style' ][ 'colspan' ] > $cols ) {
$fields[ $i ][ 'style' ][ 'colspan' ] = $cols;
}
/*
* If our colspan + coltrack is less than or equal to cols, we add this to our cells.
*/
if ( $fields[ $i ][ 'style' ][ 'colspan' ] + $coltrack <= $cols ) {
if( ! isset( $fields[ $i ][ 'key' ] ) ){
$fields[ $i ][ 'key' ] = ltrim( $fields[ $i ][ 'type' ], '_' ) . '_asdf' . $fields[ $i ][ 'id' ];
}
if( '_text' == $fields[ $i ][ 'type' ] && isset( $fields[ $i ][ 'datepicker' ] ) && $fields[ $i ][ 'datepicker' ] ){
$fields[ $i ][ 'key' ] = 'date_' . $fields[ $i ][ 'id' ];
}
$cells[] = array(
'order' => $cellorder,
'fields' => array(
$fields[ $i ][ 'key' ]
),
'width' => $fields[ $i ][ 'style' ][ 'colspan' ],
);
$coltrack += $fields[ $i ][ 'style' ][ 'colspan' ];
$cellorder++;
} else {
$rows[] = $this->layouts_new_row( $cols, $cells, $roworder, $cellorder );
$roworder++;
$coltrack = 0;
$cellorder = 0;
$cells = array();
$i--;
}
if ( $i == count( $fields ) - 1 ) {
$rows[] = $this->layouts_new_row( $cols, $cells, $roworder, $cellorder );
}
} // for field loop
return $rows;
}
private function layouts_new_row( $cols, $cells, $roworder, $cellorder )
{
/*
* We're on a new row. We now need to add the previous row, represented by the $cells variable, to our rows array.
*
* 1) Add any blank cells necessary.
* 1) Add the cells to a new row.
* 2) Move our $i pointer back one field.
*
* We need to add an extra blank cell to make up the difference.
*/
$diff = 0;
foreach( $cells as $cell ) {
$diff += $cell[ 'width' ];
}
$diff = $cols - $diff;
if ( 0 != $diff ) {
$cells[] = array(
'order' => $cellorder,
'fields' => array(),
'width' => $diff,
);
}
foreach( $cells as $index => $cell ) {
$cells[ $index ][ 'width' ] = $this->convert_width( $cells[ $index ][ 'width' ], $cols, $cells );
}
return array(
'order' => $roworder,
'cells' => $cells
);
}
private function convert_width( $width, $cols, $cells )
{
/*
* width will be set to the colspan of our initial cell.
*/
switch ( $cols ) {
case 1:
if ( 1 == $width ) {
$width = 100;
}
break;
case 2:
/*
* If we have a colspan of 2, either it's 100%, which is handled above, or 50%.
*/
if ( 2 == $width ) {
$width = 100;
} else {
$width = 50;
}
break;
case 3:
/*
* If we have a cols value of 3, either all cells are 33% or one is 75% and the other is 25%.
*/
if ( 1 == $width && 2 == count( $cells ) ) {
$width = 25;
} else if ( 2 == $width ) {
$width = 75;
} else if ( 3 == $width ){
$width = 100;
} else {
$width = 33;
}
break;
case 4:
/*
* If we have a cols value of 4, we can get our percentages with simple math.
*/
$width = $width / 4 * 100;
break;
}
return $width;
}
private function check_conditions( $field, $part )
{
array_walk( $this->conditions, array( $this, 'check_conditions_walk' ), array( 'field' => $field, 'part' => $part ) );
}
private function check_conditions_walk( &$condition, $index, $data )
{
$field = $data[ 'field' ];
$part = $data[ 'part' ];
/*
* If we have any "then" statements that reference our divider, replace them with part info.
* Also replace the trigger.
*/
array_walk( $condition[ 'then' ], array( $this, 'conditions_replace_then' ), $data );
}
private function conditions_replace_then( &$then, $index, $data )
{
$field = $data[ 'field' ];
$part = $data[ 'part' ];
if ( $then[ 'key' ] == $field[ 'key' ] ) {
$then[ 'key' ] = $part[ 'key' ];
$then[ 'type' ] = 'part';
if ( 'ninja_forms_show_mp_page' == $then[ 'trigger' ] ) {
$then[ 'trigger' ] = 'show_part';
} else if ( 'ninja_forms_hide_mp_page' == $then[ 'trigger' ] ) {
$then[ 'trigger' ] = 'hide_part';
}
}
}
private function conditions_add_else( &$condition, $index )
{
foreach( $condition[ 'then' ] as $tindex => $then ) {
if ( 'part' != $then[ 'type' ] ) continue;
if ( 'show_part' == $then[ 'trigger' ] ) {
$opposite = 'hide_part';
} else {
$opposite = 'show_part';
}
if ( empty ( $condition[ 'else' ][0] ) ) {
unset( $condition[ 'else' ][0] );
$condition[ 'else' ] = array_values( $condition[ 'else' ] );
}
$condition[ 'else' ][] = array(
'key' => $then[ 'key' ],
'trigger' => $opposite,
'value' => '',
'type' => 'part'
);
}
}
private function sort_fields($a, $b) {
return $a['order'] - $b['order'];
}
} // End of Class
new NF_Layouts_Conversion();