source: sipes/0.3-modules/cck_plan_fields/cck_plan_fields_simple.module @ 5c8c203

<?php

/**
* Implementation of hook_field_info().
*/
function cck_plan_fields_simple_field_info() {
  return array(
    'cck_plan_fields_simple_field' => array(
      'label' => t('Plan line field simple'),
      'description' => t('Store items operative plan data in the database.'),
    ),
  );
}

/**
* Implementation of hook_field_settings().
*/
function cck_plan_fields_simple_field_settings($op, $field) {
  switch ($op) {
    case 'form':
      $form = array();
      $types = array(
        'int' => t('Integer'),
        'float' => t('Floar'),
      );
      $form['cck_plan_fields_simple_type'] = array(
        '#type' => 'select',
        '#title' => t('Type'),
        '#default_value' => !empty($field['cck_plan_fields_simple_type']) ? $field['cck_plan_fields_simple_type'] : 'int',
        '#options' => $types,
      );
      $form['cck_plan_fields_simple_titulo'] = array(
        '#type' => 'textfield',
        '#title' => t('Titulo del total'),
        //'#required' => TRUE,
        '#weight' => -9,
        '#default_value' => !empty($field['cck_plan_fields_simple_titulo']) ? $field['cck_plan_fields_simple_titulo'] : '',
      );
      return $form;
    case 'save':
      $save_settings = array(
        'cck_plan_fields_simple_type',
        'cck_plan_fields_simple_titulo',
      );
      return $save_settings;
    case 'database columns':
      $type_select = !empty($field['cck_plan_fields_simple_type']) ? $field['cck_plan_fields_simple_type'] : 'int';
      $types = array(
        'int' => t('Integer'),
        'float' => t('Floar'),
      );
      $type_select = isset($types[$type_select]) ? $type_select : 'int';
      for ($i = 0; $i < 12; $i++) {
        $field_id = $i ? 'value_' . $i : 'value';
        if ($type_select == 'int') {
          $columns[$field_id] = array(
            'type' => $type_select,
            'not null' => FALSE,
            'sortable' => TRUE,
            'views' => TRUE,
          );
        }
        else {
          $columns[$field_id] = array(
            'type' => 'numeric',
            'size' => 'normal',
            'not null' => TRUE,
            'default' => 0,
            'precision' => 32,
            'scale' => 0,
          );
        }

      }
      return $columns;
    case 'views data':
      $data = content_views_field_views_data($field);
      $db_info = content_database_info($field);
      $table_alias = content_views_tablename($field);
      $ftypes = array(
        'value' => t('January'),
        'value_1' => t('February'), 
        'value_2' => t('March'), 
        'value_3' => t('April'),
        'value_4' => t('May'),
        'value_5' => t('June'),
        'value_6' => t('July'),
        'value_7' => t('August'),
        'value_8' => t('September'),
        'value_9' => t('Octuber'),
        'value_10' => t('November'),
        'value_11' => t('December'),
      );
      foreach ($ftypes as $ftype => $label) {
        $copy = $data[$table_alias][$field['field_name'] . $ftype];
        $copy['title'] = t($label);
        $copy['filter']['handler'] = 'content_handler_filter_many_to_one';
        $copy['filter']['numeric'] = TRUE;
        unset($copy['field'], $copy['argument'], $copy['sort']);
        $data[$table_alias][$field['field_name'] . $ftype . '_many_to_one'] = $copy;
        $data[$table_alias][$field['field_name'] . $ftype]['argument']['handler'] = 'content_handler_argument_many_to_one';
        if ($ftype != 'description') {
          $data[$table_alias][$field['field_name'] . $ftype]['argument']['numeric'] = TRUE;
        }
      }
      return $data;
  }
}

/**
 * Implementation of hook_content_is_empty().
 */
function cck_plan_fields_simple_content_is_empty($item, $field) {
  $flat = TRUE;
  foreach (array_keys($field['columns']) as $ftype) {
    if (!empty($item[$ftype])) {
      return FALSE;
    }
  }
  return $flat;
}

/**
 * Implementation of hook_field_formatter_info().
 */
function cck_plan_fields_simple_field_formatter_info() {
  $formatters = array(
    'default' => array(
      'label'  => t('Default'),
      'multiple values' => CONTENT_HANDLE_CORE,
      'field types'  => array('cck_plan_fields_simple_field'),
    ),
    'single_line' => array(
      'label'  => t('Single Line'),
      'multiple values' => CONTENT_HANDLE_CORE,
      'field types'  => array('cck_plan_fields_simple_field'),
    ),
  );
  $ftypes = array(
    'value' => t('January'),
    'value_1' => t('February'), 
    'value_2' => t('March'), 
    'value_3' => t('April'),
    'value_4' => t('May'),
    'value_5' => t('June'),
    'value_6' => t('July'),
    'value_7' => t('August'),
    'value_8' => t('September'),
    'value_9' => t('Octuber'),
    'value_10' => t('November'),
    'value_11' => t('December'),
  );
  foreach ($ftypes as $value => $label) {
    $formatters['single_line_' . $value] = array(
      'label'  => t('Single Line ') . $label,
      'multiple values' => CONTENT_HANDLE_CORE,
      'field types'  => array('cck_plan_fields_simple_field'),
    );
  }
  return $formatters;
}

/**
 * Implementation of hook_theme().
 */
function cck_plan_fields_simple_theme() {
  return array(
    'cck_plan_fields_simple_formatter_default' => array(
      'arguments' => array('element'),
    ),
    'cck_plan_fields_simple_formatter_single_line' => array(
      'arguments' => array('element'),
    ),
    'cck_plan_fields_simple_formatter_single_line_value' => array(
      'arguments' => array('form' => NULL),
      'function' => 'theme_cck_plan_fields_simple_formatter_generic',
    ),
    'cck_plan_fields_simple_formatter_single_line_value1' => array(
      'arguments' => array('form' => NULL),
      'function' => 'theme_cck_plan_fields_simple_formatter_generic',
    ),
    'cck_plan_fields_simple_formatter_single_line_value2' => array(
      'arguments' => array('form' => NULL),
      'function' => 'theme_cck_plan_fields_simple_formatter_generic',
    ),
    'cck_plan_fields_simple_formatter_single_line_value3' => array(
      'arguments' => array('form' => NULL),
      'function' => 'theme_cck_plan_fields_simple_formatter_generic'
    ),
    'cck_plan_fields_simple_formatter_single_line_value4' => array(
      'arguments' => array('form' => NULL),
      'function' => 'theme_cck_plan_fields_simple_formatter_generic',
    ),
    'cck_plan_fields_simple_formatter_single_line_value5' => array(
      'arguments' => array('form' => NULL),
      'function' => 'theme_cck_plan_fields_simple_formatter_generic',
    ),
    'cck_plan_fields_simple_formatter_single_line_value6' => array(
      'arguments' => array('form' => NULL),
      'function' => 'theme_cck_plan_fields_simple_formatter_generic',
    ),
    'cck_plan_fields_simple_formatter_single_line_value7' => array(
      'arguments' => array('form' => NULL),
      'function' => 'theme_cck_plan_fields_simple_formatter_generic',
    ),
    'cck_plan_fields_simple_formatter_single_line_value8' => array(
      'arguments' => array('form' => NULL),
      'function' => 'theme_cck_plan_fields_simple_formatter_generic',
    ),
    'cck_plan_fields_simple_formatter_single_line_value9' => array(
      'arguments' => array('form' => NULL),
      'function' => 'theme_cck_plan_fields_simple_formatter_generic',
    ),
    'cck_plan_fields_simple_formatter_single_line_value10' => array(
      'arguments' => array('form' => NULL),
      'function' => 'theme_cck_plan_fields_simple_formatter_generic',
    ),
    'cck_plan_fields_simple_formatter_single_line_value11' => array(
      'arguments' => array('form' => NULL),
      'function' => 'theme_cck_plan_fields_simple_formatter_generic',
    ),
    'cck_plan_fields_simple_table' => array(
      'arguments' => array('form' => NULL),
    ),
  );
}

/**
 * Proxy theme function for cck_plan_fields_simple formatters.
 */
function theme_cck_plan_fields_simple_formatter_generic($element) {
  $output = '';
  $flag = explode('single_line_', $element['#formatter']);
  $ftypes = array(
    'value' => t('January'),
    'value_1' => t('February'), 
    'value_2' => t('March'), 
    'value_3' => t('April'),
    'value_4' => t('May'),
    'value_5' => t('June'),
    'value_6' => t('July'),
    'value_7' => t('August'),
    'value_8' => t('September'),
    'value_9' => t('Octuber'),
    'value_10' => t('November'),
    'value_11' => t('December'),
  );
  $output = '<strong>'. $ftypes[$flag[1]] .': </strong>'. number_format($element['#item'][$flag[1]], 2, '.', ',');
  return $output;
}

/**
 * theme_cck_plan_fields_formatter_default().
 * default formatter theme
 */
function theme_cck_plan_fields_simple_formatter_default($element) {
  $output = '';
  $ftypes = array(
    'value' => t('January'),
    'value_1' => t('February'), 
    'value_2' => t('March'), 
    'value_3' => t('April'),
    'value_4' => t('May'),
    'value_5' => t('June'),
    'value_6' => t('July'),
    'value_7' => t('August'),
    'value_8' => t('September'),
    'value_9' => t('Octuber'),
    'value_10' => t('November'),
    'value_11' => t('December'),
  );
  $ftypes['total'] = !empty($field['cck_plan_fields_simple_titulo']) ? $field['cck_plan_fields_simple_titulo'] : t('Total');
  $headers = array();
  $rows = array();
  $row = array();
  $empty = TRUE;
  $total = 0;  
  foreach ($ftypes as $value => $label) {
    $headers[] = array('data' => $label);
    if (!empty($element['#item'][$value])) {
      $empty = FALSE;
    }
    $total += $element['#item'][$value];
    if ($value != 'total') {
      $row[] = array('data' => number_format($element['#item'][$value], 2, '.', ','));
    }
  }
  if ($empty) {
    return '';
  }
  $row[] = array('data' => number_format($total, 2, '.', ','));
  $rows[] = $row;
  return theme('table', $headers, $rows);
}

/**
 * theme_cck_plan_fields_formatter_single_line().
 * display line items products in a single line
 */
function theme_cck_plan_fields_simple_formatter_single_line($element) {
  $output = '';
  // If all fields are hidden, return ''
  if (empty($element)) {
    return $output;
  }
  $ftypes = array(
    'value' => t('January'),
    'value_1' => t('February'), 
    'value_2' => t('March'), 
    'value_3' => t('April'),
    'value_4' => t('May'),
    'value_5' => t('June'),
    'value_6' => t('July'),
    'value_7' => t('August'),
    'value_8' => t('September'),
    'value_9' => t('Octuber'),
    'value_10' => t('November'),
    'value_11' => t('December'),
  );
  foreach ($ftypes as $value => $label) {
    $output .= ' <strong>'. $label .': </strong>'. number_format($element['#item'][$value], 2, '.', ',');
  }
  return '<div class="items-plan-field">'. $output .'</div>';
}

/**
 * Implementation of hook_widget_info().
 */
function cck_plan_fields_simple_widget_info() {
  return array(
    'cck_plan_fields_simple_elements' => array(
      'label'           => t('Items Plan Field Simple'),
      'field types'     => array('cck_plan_fields_simple_field'),
      'multiple values' => CONTENT_HANDLE_CORE,
      'callbacks'       => array('default value' => CONTENT_CALLBACK_DEFAULT),
    ),
  );
}

/**
* Implementation of hook_widget_settings().
*/
function cck_plan_fields_simple_widget_settings($op, $widget) {
  switch ($op) {
    case 'form':
      $form = array();
      $form['min'] = array(
        '#type' => 'textfield',
        '#title' => t('Minimum'),
        '#element_validate' => array('_element_validate_number'),
        '#default_value' => is_numeric($widget['min']) ? $widget['min'] : '',
      );
      $form['max'] = array(
        '#type' => 'textfield',
        '#title' => t('Maximum'),
        '#element_validate' => array('_element_validate_number'),
        '#default_value' => is_numeric($widget['max']) ? $widget['max'] : '',
      );
      return $form;
    break;
    case 'save':
      return array(
        'min',
        'max',
      );
    break;
  }
}

function theme_cck_plan_fields_simple_table($form = array()) {
  $headers = array();
  $rows = array();
  $row = array();
  $ftypes = array(
    'value' => t('Ene'),
    'value_1' => t('Feb'), 
    'value_2' => t('Mar'), 
    'value_3' => t('Abr'),
    'value_4' => t('May'),
    'value_5' => t('Jun'),
    'value_6' => t('Jul'),
    'value_7' => t('Aug'),
    'value_8' => t('Sep'),
    'value_9' => t('Oct'),
    'value_10' => t('Nov'),
    'value_11' => t('Dic'),
  );
  $ftypes['total'] = !empty($field['cck_plan_fields_simple_titulo']) ? $field['cck_plan_fields_simple_titulo'] : t('Total');
  $backgrounds = array(
    'value' => 'black',
    'value_1' => 'blue', 
    'value_2' => 'white', 
    'value_3' => 'blue',
    'value_4' => 'white',
    'value_5' => 'blue',
    'value_6' => 'white',
    'value_7' => 'blue',
    'value_8' => 'white',
    'value_9' => 'blue',
    'value_10' => 'white',
    'value_11' => 'blue',
  );
  if (isset($form['#title']) && $form['#title']) {
    $field = str_replace('_', '-', $form['#field_name']);
    $output .= '<div id="edit-' . $field . '-0-value-wrapper" class="form-item"><label for="edit-' . $field . '-0-value">' . $form['#title'] . '</label>';
  }
  $output .= '<div style="width:2050px; float:none">';
  foreach ($ftypes as $ftype => $label) {
    $output .= '<div style="width:150px;float:left;margin-left:5px">' . drupal_render($form[$ftype]) . '</div>';
  }
  $output .= drupal_render($form);
  $output .= '</div>';
  if (isset($form['#title']) && $form['#title']) {
    $output .= '</div>';
  } 
  return $output;
}

/**
 * Implementation of hook_widget().
 */
function cck_plan_fields_simple_widget(&$form, &$form_state, $field, $items, $delta = 0) {
  $cck_plan_fields_simple_path = drupal_get_path('module', 'cck_plan_fields_simple');
  drupal_add_js($cck_plan_fields_simple_path . '/js/cck_plan_fields.js');
  $field_name = $field['field_name'];
  $element = array();
  $ftypes = array(
    'value' => t('Ene'),
    'value_1' => t('Feb'), 
    'value_2' => t('Mar'), 
    'value_3' => t('Abr'),
    'value_4' => t('May'),
    'value_5' => t('Jun'),
    'value_6' => t('Jul'),
    'value_7' => t('Aug'),
    'value_8' => t('Sep'),
    'value_9' => t('Oct'),
    'value_10' => t('Nov'),
    'value_11' => t('Dic'),
  );
  $ftypes['total'] = !empty($field['cck_plan_fields_simple_titulo']) ? $field['cck_plan_fields_simple_titulo'] : t('Total');
  $total = 0;
  $class = $field_name . '_' . $delta . '_field';
  for ($i = 0; $i < 12; $i++) {
    $class1 = ' ' . $field_name . '_m' . $i . '_field';
    $field_id = $i ? 'value_' . $i : 'value';
    $field_id_form = $i ? 'value-' . $i : 'value';
    $element[$field_id] = array(
      '#type' => 'textfield',
      '#default_value' => isset($items[$delta][$field_id]) && $items[$delta][$field_id] ? $items[$delta][$field_id] : 0,
      '#size' => 15,
      '#attributes' => array('class' => $class . $class1 . ' number', 'onchange' => "suma('$class')"),
    );
    $total += $element[$field_id]['#default_value'];
    if ($delta == 0) {
      $element[$field_id]['#title'] = $ftypes[$field_id];
    }
  }
  $element['total'] = array(
    '#type' => 'textfield',
    '#default_value' => number_format($total, 0, '.', ''),
    '#size' => 15,
    '#attributes' => array('class' => $class . '_total totales'),
  );
  if ($delta == 0) {
    $element['total']['#title'] = $ftypes['total'];
  }
  $element['#theme'] = 'cck_plan_fields_simple_table';
  if (empty($element['#element_validate'])) {
    $element['#element_validate'] = array();
  }
  array_unshift($element['#element_validate'], 'cck_plan_fields_simple_validate');
  $form_state['#field_info'][$element['#field_name']] = $form['#field_info'][$field_name];
  // Used so that hook_field('validate') knows where to
  // flag an error in deeply nested forms.
  if (empty($form['#parents'])) {
    $form['#parents'] = array();
  }
  $element['_error_element'] = array(
    '#type' => 'value',
    '#value' => implode('][', array_merge($form['#parents'], array('value'))),
  );
  return $element;
}

/**
 * FAPI validation of an individual element.
 */
function cck_plan_fields_simple_validate($element, &$form_state) {
  $field_name = $element['#field_name'];
  $type_name = $element['#type_name'];
  $field = content_fields($field_name, $type_name);
  $min = is_numeric($field['widget']['min']);
  $max = is_numeric($field['widget']['max']);
  $cck_plan_fields_simple_path = drupal_get_path('module', 'cck_plan_fields_simple');
  drupal_add_js($cck_plan_fields_simple_path . '/js/cck_plan_fields.js');
  $flag = FALSE;
  foreach ($element['#columns'] as $ftype) {
    if (!empty($element[$ftype]['#value'])) {
      $error_field = implode('][', $element['#parents']) .'][' . $ftype;
      if (!is_numeric($element[$ftype]['#value'])) {
        form_set_error($error_field, t('Amount should be a number in %field.', array('%field' => t($field['widget']['label']))));
      }
      elseif ($field['cck_plan_fields_simple_type'] == 'int') {
        $start = $element[$ftype]['#value'];
        $value = preg_replace('@[^-0-9]@', '', $start);
        if ($start != $value) {
          form_set_error($error_field, t('Only numbers are allowed in %field.', array('%number' => $field['widget']['min'], '%field' => t($field['widget']['label']))));
        }
      }
      elseif ($min && $field['widget']['min'] > $element[$ftype]['#value']) {
        form_set_error($error_field, t('Amount should be greater %number in %field.', array('%number' => $field['widget']['min'], '%field' => t($field['widget']['label']))));
      }
      elseif ($max && $field['widget']['max'] < $element[$ftype]['#value']) {
        form_set_error($error_field, t('Amount should be litter %number in %field.', array('%number' => $field['widget']['max'], '%field' => t($field['widget']['label']))));
      }
      $flag = TRUE;
    }
  }
  if (!$flag) {
    return;
  }
  $type_name = $element['#type_name'];
  $field = content_fields($field_name, $type_name);
  $field_key = $element['#columns'][0];
}


/**
 * Implementation of hook_feeds_node_processor_targets_alter().
 *
 * @see FeedsNodeProcessor::getMappingTargets()
 */
function cck_plan_fields_simple_feeds_node_processor_targets_alter(&$targets, $content_type) {
  $info = content_types($content_type);
  $fields = array();
  if (isset($info['fields']) && count($info['fields'])) {
    foreach ($info['fields'] as $field_name => $field) {
      if (in_array($field['type'], array('cck_plan_fields_simple_field'))) {
        $fields[$field_name] = isset($field['widget']['label']) ? $field['widget']['label'] : $field_name;
      }
    }
  }
  $ftypes = array(
    'value' => t('January'),
    'value_1' => t('February'), 
    'value_2' => t('March'), 
    'value_3' => t('April'),
    'value_4' => t('May'),
    'value_5' => t('June'),
    'value_6' => t('July'),
    'value_7' => t('August'),
    'value_8' => t('September'),
    'value_9' => t('Octuber'),
    'value_10' => t('November'),
    'value_11' => t('December'),
  );

  foreach ($fields as $k => $name) {
    foreach($ftypes as $id => $month) {
      $targets[$k . ':' . $id] = array(
        'name' => check_plain($name) . '(' . $month . ')',
        'callback' => 'cck_plan_fields_simple_feeds_set_target',
        'description' => t('The part @month_name of @name field of the node.', array('@name' => $name, '@month_name' => $month)),
      );
    }
  }
}

function cck_plan_fields_simple_feeds_set_target($node, $target, $value) {
  list($field_name, $sub_field) = explode(':', $target);
  $ftypes = array(
    'value' => t('January'),
    'value_1' => t('February'), 
    'value_2' => t('March'), 
    'value_3' => t('April'),
    'value_4' => t('May'),
    'value_5' => t('June'),
    'value_6' => t('July'),
    'value_7' => t('August'),
    'value_8' => t('September'),
    'value_9' => t('Octuber'),
    'value_10' => t('November'),
    'value_11' => t('December'),
  );
  $field_default = array();
  foreach($ftypes as $id => $month) {
    $field_default[$id] = 0;
  }
  $field = isset($node->$field_name) ? $node->$field_name : $field_default;
  // Handle multiple value fields.
  if (is_array($value)) {
    $i = 0;
    foreach ($value as $v) {
      if (!is_array($v) && !is_object($v)) {
        $field[$i][$sub_field] = $v;
      }
      $i++;
    }
  }
  else {
    $field[0][$sub_field] = $value;
  }
  $node->$field_name = $field;
}