webform_matrix_component.module in Webform Matrix Component 7.4

File

webform_matrix_component.module

<?php

/**
 * @file
 * Provide matrix component for webform
 * @author Chetan Singhal <[e-mail]>
 */
module_load_include('inc', 'webform_matrix_component', '/components/matrix');
module_load_include('inc', 'webform', '/includes/webform.components');

/**
 * Implements _webform_theme_component().
 */
function webform_matrix_component_theme() {
  return array(
    'webform_matrix_table' => array(
      'render element' => 'element',
    ),
  );
}

/**
 * Define components to Webform.
 * @see webform.api.php
 * @see webform_components()
 */
function webform_matrix_component_webform_component_info() {
  $components = array();
  $components['matrix'] = array(
    'label' => t('Matrix'),
    'description' => t('Basic matrix type. Add One More Element in Row'),
    'features' => array(
      // This component supports defmatault values. Defaults to TRUE.
      'default_value' => FALSE,
      // This component supports a description field. Defaults to TRUE.
      'description' => TRUE,
      // This component supports a title attribute. Defaults to TRUE.
      'title' => TRUE,
      // This component has a title that can be toggled as displayed or not.
      'title_display' => TRUE,
      // This component has a title that can be displayed inline.
      'title_inline' => FALSE,
      // If this component can be used as a conditional SOURCE. All components
      // may always be displayed conditionally, regardless of this setting.
      // Defaults to TRUE.
      'conditional' => TRUE,
      // If this component allows other components to be grouped within it
      // (like a fieldset or tabs). Defaults to FALSE.
      'group' => FALSE,
      // Add content to CSV downloads. Defaults to TRUE.
      'csv' => TRUE,
    ),
    'file' => 'components/matrix.inc',
    'file path' => drupal_get_path('module', 'webform_matrix_component'),
  );
  return $components;
}

/**
 * Implements hook_form_formid_alter().
 */
function webform_matrix_component_form_webform_component_edit_form_alter(&$form, &$form_state, $formid) {
  if ($form['type']['#value'] == 'matrix') {
    $component = $form_state['build_info']['args'][1];
    $matrix_form = _webform_matrix_component_get_column_form($form, $form_state, $component);
    $form = array_merge($form, $matrix_form);
  }
}

/**
 * Implements hook_form_formid_alter().
 */
function webform_matrix_component_form_webform_admin_settings_alter(&$form, &$form_state, $formid) {

  // Admin settings for webform_matrix_component
  // Admin settings for webform_matrix_component
  // Can define rows/cols for matrix components
  // Default rows-10,cols-10.
  $form['matrix_fieldset'] = array(
    '#type' => 'fieldset',
    '#title' => t('Matrix Component Settings'),
    '#collapsible' => 1,
    '#collapsed' => 1,
  );
  $form['matrix_fieldset']['webform_matrix_component_webform_matrix_rows'] = array(
    '#type' => 'textfield',
    '#title' => t('Matrix Rows'),
    '#description' => t('Enter the max rows in matrix component'),
    '#default_value' => variable_get('webform_matrix_component_webform_matrix_rows', 20),
    '#element_validate' => array(
      '_webform_matrix_component_validate_number',
    ),
  );
  $form['matrix_fieldset']['webform_matrix_component_webform_matrix_cols'] = array(
    '#type' => 'textfield',
    '#title' => t('Matrix Cols'),
    '#description' => t('Enter the max cols in matrix component'),
    '#default_value' => variable_get('webform_matrix_component_webform_matrix_cols', 10),
    '#element_validate' => array(
      '_webform_matrix_component_validate_number',
    ),
  );
  $form['matrix_fieldset']['webform_matrix_component_webform_matrix_title_required'] = array(
    '#type' => 'checkbox',
    '#title' => t('Is Matrix Title Required'),
    '#return_value' => 1,
    '#description' => t('Make Matrix title required or not'),
    '#default_value' => variable_get('webform_matrix_component_webform_matrix_title_required', 1),
  );
}

/**
 * Implements hook_form_alter().
 */
function webform_matrix_component_form_alter(&$form, &$form_state, $form_id) {
  if (strpos($form_id, 'webform_client_form_') === 0) {
    module_load_include('inc', 'webform', '/components/date');
    foreach ($form['#node']->webform['components'] as $cid => $component) {
      if ($component['type'] == 'matrix' && $form['details']['page_num']['#value'] == $component['page_num']) {
        $nid = $component['nid'];
        $value = array();

        // If in a multi-step form, a submission ID may be specified in form state.
        // Load this submission. This allows anonymous users to use auto-save.
        if (empty($submission) && !empty($form_state['build_info']['args'][1]->sid)) {
          $submission = webform_get_submission($nid, $form_state['build_info']['args'][1]->sid);
          if (!empty($submission->data[$cid])) {
            $value = $submission->data[$cid];
          }
        }
        $formkey = $component['form_key'];
        $pid = $component['pid'];
        $parents = webform_component_parent_keys($form['#node'], $component);
        $element = drupal_array_get_nested_value($form['submitted'], $parents);
        $element['#attached']['css'][] = drupal_get_path('module', 'webform_matrix_component') . '/webform_matrix_component.css';
        if (empty($value) && isset($element['#component_value'])) {
          $value = $element['#component_value'];
        }
        $datepicker = FALSE;
        if (isset($component['extra']['matrix_col'])) {
          $editvalue = NULL;
          if (!empty($value[0])) {
            $editvalue = unserialize($value[0]);
            foreach (array_keys($editvalue) as $key) {
              $empty = TRUE;
              for ($i = 1; $i <= $component['extra']['matrix_col']; $i++) {
                if (!empty($editvalue[$key][$i])) {
                  $empty = FALSE;
                  break;
                }
              }
              if ($empty) {
                unset($editvalue[$key]);
              }
            }
          }
          $matrix_col = $component['extra']['matrix_col'];
          $matrix_row = !empty($editvalue) ? count($editvalue) : $component['extra']['matrix_row'];
          if (empty($form_state[$formkey]['temp_matrix_rows'])) {
            $form_state[$formkey]['temp_matrix_rows'] = $matrix_row;
          }
          if ($component['extra']['title_display'] !== 'none') {

            //$element['#matrix_header'] = _webform_filter_xss($component['name']);
            $element['#matrix_header'] = $element['#title'];
          }
          for ($prow = 1; $prow <= $form_state[$formkey]['temp_matrix_rows']; $prow++) {
            if (isset($component['extra']['element'])) {
              $headers = array();
              foreach ($component['extra']['element'] as $elekey => $elevalue) {
                list($j, $i) = explode('-', $elekey);
                $eletype = $elevalue['type'];
                $title = isset($elevalue['title']) ? $elevalue['title'] : $elekey;
                $title = _webform_filter_xss($title);
                $title_display = "invisible";

                // Only first row is manadatory.
                $required = FALSE;
                if ($prow == 1) {

                  // If component is mandatory.
                  $required = $component['mandatory'] ? TRUE : FALSE;
                  if (!$required) {

                    // If particular element is manadatory.
                    $required = $elevalue['mandatory'] ? TRUE : FALSE;
                  }
                }
                $htitle = $title;
                if ($component['mandatory'] || $elevalue['mandatory']) {
                  $htitle .= theme_form_required_marker($title);
                }
                $headers[] = $htitle;
                switch ($eletype) {
                  case 'textfield':
                    $elevalue['default_value'] = isset($elevalue['default_value']) ? $elevalue['default_value'] : "";
                    $element[$prow][$i] = array(
                      '#type' => 'textfield',
                      '#title' => check_plain($title),
                      '#size' => !empty($elevalue['size']) ? $elevalue['size'] : 15,
                      '#maxlength' => !empty($elevalue['maxlength']) ? $elevalue['maxlength'] : 50,
                      '#default_value' => isset($editvalue[$prow][$i]) ? $editvalue[$prow][$i] : $elevalue['default_value'],
                      '#required' => $required,
                      '#title_display' => $title_display,
                      '#validated' => TRUE,
                      '#webform_validated' => FALSE,
                    );
                    break;
                  case 'select':

                    //Choose Select Type Radio/ListBox/Checkbox
                    $select_type = isset($elevalue['select_type']) ? $elevalue['select_type'] : 'list';
                    $is_multiple = isset($elevalue['multiple']) ? $elevalue['multiple'] : 0;

                    // Hide the "value" when rendering the form component.
                    $hide_title = isset($elevalue['hide_title']) ? $elevalue['hide_title'] : 0;

                    // Options
                    $options = $elevalue['option'];
                    $option_array = array();

                    //Convert option to string to array
                    $option_array = _webform_matrix_component_select_option_from_text($options);
                    switch ($select_type) {
                      case 'list':
                        $element[$prow][$i] = array(
                          '#type' => 'select',
                          '#title' => check_plain($title),
                          '#options' => $option_array,
                          '#required' => $required,
                          '#title_display' => $title_display,
                          '#empty_option' => t('Select'),
                          '#empty_value' => '',
                          '#default_value' => isset($editvalue[$prow][$i]) ? $editvalue[$prow][$i] : $elevalue['default_value'],
                        );
                        if ($is_multiple) {
                          $element[$prow][$i]['#multiple'] = TRUE;
                        }
                        break;
                      case 'radio':
                        $element[$prow][$i] = array(
                          '#title' => check_plain($title),
                          '#options' => $option_array,
                          '#required' => $required,
                          '#title_display' => $title_display,
                          '#child_title_display' => $hide_title ? 'invisible' : 'after',
                        );
                        if ($is_multiple) {
                          $element[$prow][$i]['#type'] = 'checkboxes';
                          $element[$prow][$i]['#default_value'] = is_array($editvalue[$prow][$i]) ? $editvalue[$prow][$i] : array(
                            $editvalue[$prow][$i],
                          );
                        }
                        else {
                          $element[$prow][$i]['#type'] = 'radios';
                          if (isset($editvalue[$prow][$i]) && $editvalue[$prow][$i]) {
                            $element[$prow][$i]['#default_value'] = $editvalue[$prow][$i];
                          }
                        }
                        $element[$prow][$i]['#validated'] = TRUE;
                        $element[$prow][$i]['#webform_validated'] = FALSE;
                        break;
                    }
                    break;
                  case 'date':
                    $datepicker = isset($elevalue['datepicker']) ? $elevalue['datepicker'] : FALSE;
                    $element[$prow][$i] = array(
                      '#type' => 'date',
                      '#title' => check_plain($title),
                      '#title_display' => $title_display,
                      '#required' => $required,
                      '#start_date' => !empty($elevalue['startdate']) ? $elevalue['startdate'] : '-2 years',
                      '#end_date' => !empty($elevalue['enddate']) ? $elevalue['enddate'] : '+2 years',
                      '#year_textfield' => 0,
                      '#default_value' => !empty($editvalue[$prow][$i]) ? $editvalue[$prow][$i] : $elevalue['default_date'],
                      '#timezone' => 'user',
                      //'#process' => array('webform_expand_date'),
                      '#theme' => 'webform_date_matrix',
                      //'#theme_wrappers' => array('webform_element'),
                      '#element_validate' => array(
                        'webform_validate_date',
                      ),
                      '#datepicker' => $datepicker,
                      '#reference_timestamp' => NULL,
                      '#exclude' => array(),
                      '#webform_component' => array(
                        'cid' => $cid,
                        'type' => 'date',
                      ),
                    );
                    break;
                  case 'label':

                    // Label markup can be different on each row so we neeed to loop through each label.
                    foreach ($elevalue['label_name'] as $delta => $label_element) {
                      $element[$prow][$i][$delta] = array(
                        '#type' => 'item',
                        '#title' => check_plain($title),
                        '#markup' => webform_filter_xss($label_element),
                        '#attributes' => array(
                          'class' => array(
                            'form-item',
                          ),
                        ),
                        '#default_value' => isset($editvalue[$prow][$i]) ? $editvalue[$prow][$i] : "",
                        '#title_display' => $title_display,
                      );
                      $element[$prow][$i]['#webform_matrix_component_labels'] = TRUE;
                    }

                    // Determine whether add row button has been clicked.
                    if (isset($form_state['triggering_element']['#parents']) && strstr(end($form_state['triggering_element']['#parents']), 'add_row')) {

                      // Determine how many rows have been added.
                      $added_rows = $form_state[$formkey]['temp_matrix_rows'] - count($elevalue['label_name']);
                      for ($added_row = 0; $added_row < $added_rows; $added_row++) {

                        // Add an additional label for each dynamically added row using the header as the value.
                        $element[$prow][$i][] = array(
                          '#type' => 'item',
                          '#title' => check_plain($title),
                          '#markup' => check_plain($title),
                          '#attributes' => array(
                            'class' => array(
                              'form-item',
                            ),
                          ),
                          '#title_display' => $title_display,
                        );
                      }
                    }
                    break;
                  case 'textarea':
                    $element[$prow][$i] = array(
                      '#type' => 'textarea',
                      '#title' => check_plain($title),
                      '#rows' => !empty($elevalue['rows']) ? $elevalue['rows'] : 1,
                      '#cols' => !empty($elevalue['cols']) ? $elevalue['cols'] : 15,
                      '#resizable' => TRUE,
                      '#title_display' => $title_display,
                      '#default_value' => isset($editvalue[$prow][$i]) ? $editvalue[$prow][$i] : "",
                      '#title' => check_plain($title),
                      '#required' => $required,
                      '#validated' => TRUE,
                      '#webform_validated' => FALSE,
                    );
                    break;
                }
                drupal_alter('webform_render_matrix', $component, $elevalue, $element[$prow][$i]);
              }
            }
            if (isset($component['extra']['remove_row_feature']) && $component['extra']['remove_row_feature'] == 2) {
              $element['remove_row_line_' . $formkey . "_" . $prow] = array(
                '#type' => 'submit',
                '#name' => 'remove_row_line' . $formkey . "_" . $prow,
                '#value' => isset($component['extra']['remove_row_button_text']) ? t($component['extra']['remove_row_button_text']) : t('Remove a row'),
                '#submit' => array(
                  '_webform_matrix_component_get_remove_row_line_submit',
                ),
                '#limit_validation_errors' => array(),
                '#ajax' => array(
                  'callback' => '_webform_matrix_component_get_remove_row_line',
                  'wrapper' => "edit-{$formkey}-{$pid}",
                ),
              );
            }
          }
        }
        $element['#headers'] = $headers;
        $element['#temp_max_row'] = $form_state[$formkey]['temp_matrix_rows'];
        if (isset($component['extra']['add_row_feature']) && $component['extra']['add_row_feature'] == 1) {
          $element['add_row_' . $formkey] = array(
            '#type' => 'submit',
            '#name' => 'add_row_' . $formkey,
            '#value' => isset($component['extra']['add_row_button_text']) ? t($component['extra']['add_row_button_text']) : t('Add a row'),
            '#submit' => array(
              '_webform_matrix_component_get_add_row_submit',
            ),
            '#limit_validation_errors' => array(),
            '#ajax' => array(
              'callback' => '_webform_matrix_component_get_add_row',
              'wrapper' => "edit-{$formkey}-{$pid}",
            ),
          );
        }
        if (isset($component['extra']['remove_row_feature']) && $component['extra']['remove_row_feature'] == 1) {
          $element['remove_row_' . $formkey] = array(
            '#type' => 'submit',
            '#name' => 'remove_row_' . $formkey,
            '#value' => isset($component['extra']['remove_row_button_text']) ? t($component['extra']['remove_row_button_text']) : t('Remove a row'),
            '#submit' => array(
              '_webform_matrix_component_get_remove_row_submit',
            ),
            '#limit_validation_errors' => array(),
            '#ajax' => array(
              'callback' => '_webform_matrix_component_get_remove_row',
              'wrapper' => "edit-{$formkey}-{$pid}",
            ),
          );
        }
        if ($datepicker) {
          $element['#attached']['library'] = array(
            array(
              'system',
              'ui.datepicker',
            ),
          );
        }
        $parents = _webform_matrix_component_fieldset_parents($component['cid'], $form['submitted']);
        $parents[] = $formkey;
        drupal_array_set_nested_value($form['submitted'], $parents, $element);
        $parents[] = '#theme';
        drupal_array_set_nested_value($form['submitted'], $parents, array(
          'webform_matrix_table',
        ));
      }
    }
  }
}

/**
 * Searchs for the parents of the component, in case it's under fieldsets.
 * Returns an array with the fieldsets under the component is nested.
 * @param type $cid. Component ID
 * @param type $submitted. The webform elements
 * @param type $parents
 * @param boolean $found
 * @return type array.
 */
function _webform_matrix_component_fieldset_parents($cid, $submitted, &$parents = array(), &$found = FALSE) {
  foreach (element_children($submitted) as $component_name) {
    if (isset($submitted[$component_name]['#webform_component']['type'])) {
      if ($submitted[$component_name]['#webform_component']['type'] == 'fieldset') {

        // Check if the matrix is a direct child of this fieldset:
        $parents[] = $component_name;
        _webform_matrix_component_fieldset_parents($cid, $submitted[$component_name], $parents, $found);
        if ($found) {
          return $parents;
        }
      }
      elseif ($submitted[$component_name]['#webform_component']['cid'] == $cid) {
        $found = TRUE;
        return $parents;
      }
    }
  }
  array_pop($parents);
}

/**
 * Theme for webform matrix.
 */
function theme_webform_matrix_table($variables) {
  $element = $variables['element'];
  $component = $element['#webform_component'];
  $form_key = $component['form_key'];
  $pid = $component['pid'];
  $id = "edit-{$form_key}-{$pid}";
  $matrix_col = $component['extra']['matrix_col'];
  $above = !empty($element['#webform_component']['extra']['description_above']);
  $matrix_row = $element['#temp_max_row'];

  //$component['extra']['matrix_row'];

  //'remove_row_line' . $formkey."_".$prow
  $headers = $element['#headers'];

  // Make table headers translatable
  foreach ($headers as $key => $header) {
    $headers[$key] = t($header);
  }
  $rows = array();
  $is_remove_line = false;
  for ($i = 1; $i <= $matrix_row; $i++) {
    $cols = array();
    for ($j = 1; $j <= $matrix_col; $j++) {

      // Show, or hide the value for the form element (label for checkboxes).
      foreach (element_children($element[$i][$j]) as $key) {
        if (isset($element[$i][$j]['#child_title_display'])) {
          $element[$i][$j][$key]['#title_display'] = $element[$i][$j]['#child_title_display'];
        }
      }

      // Make select options translatable
      // this includes the default "Select" label
      if (isset($element[$i][$j]['#type']) && $element[$i][$j]['#type'] === 'select') {

        // To translate just the "Select" label
        // use the following line instead of the foreach loop
        // $element[$i][$j]['#options'][''] = t($element[$i][$j]['#options']['']);
        foreach ($element[$i][$j]['#options'] as $key => $option) {
          $element[$i][$j]['#options'][$key] = t('!option', array(
            '!option' => $option,
          ));
        }
      }

      // If element type is label then extract the correct label for the current row.
      if (isset($element[$i][$j]['#webform_matrix_component_labels']) && $element[$i][$j]['#webform_matrix_component_labels'] == TRUE) {
        $cols[] = drupal_render($element[$i][$j][$i]);
      }
      else {

        // All other elements types.
        $cols[] = drupal_render($element[$i][$j]);
      }
    }
    if (isset($element['remove_row_line_' . $element['#webform_component']['form_key'] . "_" . $i])) {
      $cols[] = drupal_render($element['remove_row_line_' . $element['#webform_component']['form_key'] . "_" . $i]);
      $is_remove_line = true;
    }
    $rows[] = $cols;
  }
  if ($is_remove_line) {

    //$headers[] = 'Remove action';
    $headers[] = isset($component['extra']['remove_row_header_text']) ? t($component['extra']['remove_row_header_text']) : t('Remove action');
  }
  $rows[] = array(
    array(
      'data' => drupal_render($element['add_row']),
      'colspan' => $matrix_col,
    ),
  );
  $form_class = str_replace('_', '-', $form_key);

  // Convert the parents array into a string, excluding the "submitted" wrapper.
  $nested_level = $element['#parents'][0] == 'submitted' ? 1 : 0;
  $parents = str_replace('_', '-', implode('--', array_slice($element['#parents'], $nested_level)));
  $output = "<div class='form-item webform-component webform-component-matrix webform-component--{$form_class} webform-component--{$parents}' id='{$id}'>";
  $caption = !empty($element['#matrix_header']) ? $element['#matrix_header'] : NULL;
  if ($above) {
    $caption .= !empty($element['#description']) ? '<div>' . $element['#description'] . "</div>" : "";
  }
  $output .= theme('table', array(
    'caption' => $caption,
    'header' => $headers,
    'rows' => $rows,
    'attributes' => array(
      'id' => array(
        "{$id}-table",
      ),
    ),
  ));

  // Render the 'add row' button.  Add row button id is in format add_row_formId.
  $add_row_id = 'add_row_' . $element['#webform_component']['form_key'];
  $remove_row_id = 'remove_row_' . $element['#webform_component']['form_key'];
  $output .= drupal_render_children($element, array(
    $add_row_id,
  ));
  $output .= drupal_render_children($element, array(
    $remove_row_id,
  ));
  if (!$above) {
    $output .= !empty($element['#description']) ? '<div>' . $element['#description'] . "</div>" : "";
  }
  $output .= "</div>";
  return $output;
}

/**
 * Add new row into existing matrix component.
 *
 * @see webform_matrix_component_form_alter()
 * @see _webform_matrix_component_get_add_row()
 */
function _webform_matrix_component_get_add_row_submit($form, &$form_state) {

  // The matrix is the previous to last element on the #parents array:
  end($form_state['triggering_element']['#parents']);
  $form_key = prev($form_state['triggering_element']['#parents']);
  $form_state[$form_key]['temp_matrix_rows']++;
  $form_state['rebuild'] = TRUE;
}

/**
 * # ajax callback.
 *
 * @see webform_matrix_component_form_alter()
 * @see _webform_matrix_component_get_add_row_submit()
 */
function _webform_matrix_component_get_add_row($form, &$form_state) {
  $parents = $form_state['triggering_element']['#parents'];
  array_pop($parents);
  return drupal_array_get_nested_value($form, $parents);
}

/**
 * Add new row into existing matrix component.
 *
 * @see webform_matrix_component_form_alter()
 * @see _webform_matrix_component_get_add_row()
 */
function _webform_matrix_component_get_remove_row_submit($form, &$form_state) {

  // The matrix is the previous to last element on the #parents array:
  end($form_state['triggering_element']['#parents']);
  $form_key = prev($form_state['triggering_element']['#parents']);
  if ($form_state[$form_key]['temp_matrix_rows'] > 1) {
    $form_state[$form_key]['temp_matrix_rows']--;
    $form_state['rebuild'] = TRUE;
  }
  else {
    form_set_error($form_key, 'This is last row cannot delete.');
  }
}

/**
 * # ajax callback.
 *
 * @see webform_matrix_component_form_alter()
 * @see _webform_matrix_component_get_add_row_submit()
 */
function _webform_matrix_component_get_remove_row($form, &$form_state) {
  $parents = $form_state['triggering_element']['#parents'];
  array_pop($parents);
  return drupal_array_get_nested_value($form, $parents);
}
function _webform_matrix_component_get_remove_row_line_submit($form, &$form_state) {

  // The matrix is the previous to last element on the #parents array:
  end($form_state['triggering_element']['#parents']);
  $form_key = prev($form_state['triggering_element']['#parents']);

  //pre($form_state[$form_key]); die;
  $triggering_row = $form_state['input']['_triggering_element_name'];
  if ($form_state[$form_key]['temp_matrix_rows'] > 1) {
    $remove_line_array = explode("_", $triggering_row);
    $size_array = count($remove_line_array);
    $remove_line = $remove_line_array[$size_array - 1];
    $rowKeys = array_values(array_filter(array_keys($form['submitted'][$form_key]), 'is_int'));
    $shifted = false;
    foreach ($rowKeys as $key) {
      if ($shifted) {
        $form_state["input"]["submitted"][$form_key][$key - 1] = $form_state["input"]["submitted"][$form_key][$key];
        $form['submitted'][$form_key][$key - 1] = $form['submitted'][$form_key][$key];
        unset($form['submitted'][$form_key][$key]);
        unset($form_state["input"]["submitted"][$form_key][$key]);
      }
      else {
        if ($key == $remove_line) {
          $shifted = true;
          unset($form['submitted'][$form_key][$key]);
          unset($form_state["input"]["submitted"][$form_key][$key]);
        }
      }
    }
    $form_state[$form_key]['temp_matrix_rows']--;
    $form_state['rebuild'] = TRUE;
  }
  else {
    form_set_error($form_key, 'This is last row cannot delete.');
  }
}
function _webform_matrix_component_get_remove_row_line($form, &$form_state) {
  $parents = $form_state['triggering_element']['#parents'];
  array_pop($parents);
  return drupal_array_get_nested_value($form, $parents);
}

Functions

Name	Description
theme_webform_matrix_table	Theme for webform matrix.
webform_matrix_component_form_alter	Implements hook_form_alter().
webform_matrix_component_form_webform_admin_settings_alter	Implements hook_form_formid_alter().
webform_matrix_component_form_webform_component_edit_form_alter	Implements hook_form_formid_alter().
webform_matrix_component_theme	Implements _webform_theme_component().
webform_matrix_component_webform_component_info	Define components to Webform.
_webform_matrix_component_fieldset_parents	Searchs for the parents of the component, in case it's under fieldsets. Returns an array with the fieldsets under the component is nested.
_webform_matrix_component_get_add_row	# ajax callback.
_webform_matrix_component_get_add_row_submit	Add new row into existing matrix component.
_webform_matrix_component_get_remove_row	# ajax callback.
_webform_matrix_component_get_remove_row_line
_webform_matrix_component_get_remove_row_line_submit
_webform_matrix_component_get_remove_row_submit	Add new row into existing matrix component.