source: sipes/0.3-modules/politicas_proyectos/politicas_proyectos.module @ 7b75b73

<?php
  /**
  * Sistema Integral de Planificación y Presupuesto (SIPP)
  * @file politicas_proyectos.module
  * Drupal part Module to Sistema Integral de Planificación y Presupuesto (SIPP)
  * Copyright 2017 Sistema Automatizado para la Planificación Estratégico-Situacional en la Administración Pública Venezolana (CENDITEL)
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.
  * 
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  * 
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  *
  * @author Cenditel Merida - Msc. Juan Vizcarrondo
  * @date 2017-08-15 // (a&#241;o-mes-dia)
  * @version 0.3 // (0.3)
  *
  */


/*
 * Implementation of hook_menu()
 */
function politicas_proyectos_menu() {
  $items = array();
  $items['politicas_proyectos_get_politicas_js'] = array(
    'title' => 'Ente Planificador',
    'page callback' => 'politicas_proyectos_get_politicas_js',
    'access arguments' => array('ver planificador'),
    'type' => MENU_CALLBACK,
  );
  return $items;
}

function politicas_proyectos_get_politicas_js($campo = '') {
  $form_state = array('submitted' => FALSE);
  $form_build_id = $_POST['form_build_id'];
  $form = form_get_cache($form_build_id, $form_state);
  $politica = array();
  $arreglo = array();
  if (isset($_POST[$form['#politicas_campo']]['nid']) && is_array($_POST[$form['#politicas_campo']]['nid'])) {
    $arreglo = $_POST[$form['#politicas_campo']]['nid'];
  }
  elseif (isset($_POST[$form['#politicas_campo']]) && is_array($_POST[$form['#politicas_campo']])) {
    $arreglo = $_POST[$form['#politicas_campo']];
  }
  foreach($arreglo as $valor) {
    $valor = intval($valor);
    if ($valor) {
      $politica[$valor] = $valor;
    }
  }
  $form['#causas'] = array();
  $form['#cambios'] = array();
  $form['#descriptores'] = array();
  $form['#formas_solucion'] = array();
  $form['#carabobo'] = array();
  $form['#all_descriptores'] = array();
  $form['#formas_solucion'] = array();
  $form['#pdlp'] = array();
  $form['#politica'] = $politica;
  $output = t('No ha seleccionado una politica');
  if ($politica) {
    $busca_causas = array();
    foreach($politica as $id) {
      $busca_causas += $form['#causas_criticas'][$id];
    }
    $descriptores_c = _politicas_proyectos_get_causas_all_causas('criticas', $busca_causas);
    $form['#formas_solucion'] = politicas_proyectos_get_formas_solucion($busca_causas);
    $all_descriptores = _politicas_proyectos_situacion_actual_listar_all_descriptores($descriptores_c);
    $form['#all_descriptores'] = $all_descriptores;
    $form['#descriptores'] = $all_descriptores['descriptores'];
    $form['#causas'] = $all_descriptores['causas'];
    $form['#cambios'] = $all_descriptores['cambios'];
    $form['#pdlp'] = $all_descriptores['pdlp'];
    $form['#carabobo'] = $all_descriptores['carabobo'];
    $output = _politicas_proyectos_display_politicas($form['#all_descriptores'], $form['#formas_solucion']);
  }
  //$form += $new_form;
  form_set_cache($form_build_id, $form, $form_state);
  $form += array(
    '#post' => $_POST,
    '#programmed' => FALSE,
  );
  // Rebuild the form.
  $form = form_builder($_POST['form_id'], $form, $form_state);
  // Add the new element to the stored form. Without adding the element to the
  // form, Drupal is not aware of this new elements existence and will not
  // process it. We retreive the cached form, add the element, and resave.
  print drupal_to_js(array('data' => $output, 'status' => true));
  exit(); 
}


/*
 * Implementation of _politicas_proyectos_situacion_actual_listar_all_descriptores()
 * Get ente's descriptores 
 * Inputs:
   - $ente_planificador (integer): ente planificador nid
   - $tipo (integer): plann type
   - $year (integer): descriptor year creation, if no available 'situacional_actual_preliminar_anho_creacion' variable will be used 
 * Outputs:
   - Descriptores (array nid descriptor):
     + body: Description descriptor
     + title: Acronimo
     + nid: Descriptor nid node reference
     + year: descriptor year creation
     + clasificacion: descriptor type
       / tid: taxonomy term
     + causas: causas list (array nid causa-descriptor):
       / body: Description causa
       / title: Acronimo causa
       / nid: Causa nid node reference
       / descriptor: Descriptor nid node reference
     + solucion: solucion list (array nid solucion-descriptor):
       / body: Description solucion
       / title: Acronimo solucion
       / nid: Solucion nid node reference
       / descriptor: Descriptor nid node reference
 */
function _politicas_proyectos_situacion_actual_listar_all_descriptores($causas = array()) {
  //se obtienen los descriptores
  $descriptores = array();
  $causas_load = array();
  $cambios_load = array();
  $pdlp_load = array();
  $carabobo_load = array();
  $sql = "SELECT c.nid, n.title, nr.body FROM {content_type_descriptores} AS c INNER JOIN {node} AS n ON c.nid = n.nid AND c.vid = n.vid AND n.type = 'descriptores' INNER JOIN {node_revisions} AS nr  ON c.nid = nr.nid AND c.vid = nr.vid";
  $inputs = array();
  $inputs_c = array();
  if (is_array($causas) && count($causas)) {
    $implode_causas_sql = array();
    foreach($causas as $id => $descriptoresl) {
      $implode_causas_sql[] = '%d';
      $inputs_c[] = $id;
      foreach($descriptoresl as $descriptor) {
        $implode_sql[] = '%d';
        $inputs[] = $descriptor;
      }
    }
    if (count($implode_sql)) {
      $sql .= ' WHERE c.nid IN (' . implode(', ', $implode_sql) . ')';
    }
  }

  $tipo_plan = 'situacion_actual';
  $planns = _situacion_actual_preliminar_get_planns();
  $plan = $planns[$tipo_plan];

  $sql .=' AND c.field_descriptores_' . $plan['short'] . '_value = %d';
  $inputs[] = 1;

  $sql .=' ORDER BY c.nid';
  $result = db_query($sql, $inputs);
  $inpunts = array();
  $inpunts_values = array();
  $solucion = array();
  while($descriptor = db_fetch_object($result)) {
    $descriptores[$descriptor->nid] = array(
      'body' => $descriptor->body,
      'title' => $descriptor->title,
      'nid' => $descriptor->nid,
      'year' => $year_display,
      'clasificacion' => array(),
      'causas' => array(),
      'cambios' => array(),
    );
    $inpunts[] = '%d';
    $inpunts_values[] = $descriptor->nid;
  }
  if (count($inpunts)) {
    $implode = implode(',', $inpunts);
    //Se obtienen la clasificacion de los descriptores
    $sql = 'SELECT c.field_descriptores_clasificacion_value AS tid, c.nid FROM {content_field_descriptores_clasificacion} AS c INNER JOIN {node} AS n ON n.nid = c.nid AND n.vid = c.vid WHERE c.nid IN (' . $implode . ')';
    $result = db_query($sql, $inpunts_values);
    while($clasificacion = db_fetch_object($result)) {
      $descriptores[$clasificacion->nid]['clasificacion'][$clasificacion->tid] = $clasificacion->tid;
    }
    //se obtienen las causas
    //field_descriptores_causa
    $sql = "SELECT c.field_descriptores_causa_nid as nid, c.nid as descriptor, n.title, nr.body FROM {content_field_descriptores_causa} AS c INNER JOIN {node} AS n ON c.field_descriptores_causa_nid = n.nid AND n.type = 'causas' INNER JOIN {node} AS n1 ON c.nid = n1.nid AND c.vid = n1.vid INNER JOIN {node_revisions} AS nr ON n.nid = nr.nid AND n.vid = nr.vid WHERE c.nid IN (" . $implode . ")";
    $inpunts_d = $inpunts_values;
    if (count($implode_causas_sql)) {
      $sql .= ' AND c.field_descriptores_causa_nid IN (' . implode(', ', $implode_causas_sql) . ')';
      $inpunts_d = array_merge($inpunts_values, $inputs_c);
    }
    $sql .= ' ORDER BY c.field_descriptores_causa_nid';
    $result = db_query($sql, $inpunts_d);
    while($causa = db_fetch_object($result)) {
      $causas_load[$causa->nid] = array(
        'descriptor' => $causa->descriptor,
        'body' => $causa->body,
        'nid' => $causa->nid,
      );
      $descriptores[$causa->descriptor]['causas'][$causa->nid] = array(
        'body' => $causa->body,
        'nid' => $causa->nid,
        'title' => $causa->title,
        'descriptor' => $causa->descriptor,
      );
    }
    //se obtienen los cambios
    //field_descriptor_cambio_nid
    $sql_implode_cambios = array(); 
    $inputs_cambios = array(); 
    $sql = "SELECT c.field_descriptor_cambio_nid as nid, c.nid as descriptor, n.title, nr.body FROM {content_field_descriptor_cambio} AS c INNER JOIN {node} AS n ON c.field_descriptor_cambio_nid = n.nid AND n.type = 'cambios' INNER JOIN {node} AS n1 ON c.nid = n1.nid AND c.vid = n1.vid INNER JOIN {node_revisions} AS nr ON n.nid = nr.nid AND n.vid = nr.vid WHERE c.nid IN (" . $implode . ") ORDER BY c.field_descriptor_cambio_nid";
    $result = db_query($sql, $inpunts_values);
    while($meta = db_fetch_object($result)) {
      $cambios_load[$meta->nid] = array(
        'descriptor' => $meta->descriptor,
        'body' => $meta->body,
        'nid' => $meta->nid,
        'pdlp' => array(),
        'carabobo' => array(),
      );
      $sql_implode_cambios[] = '%d';
      $inputs_cambios[] = $meta->nid;
      $descriptores[$meta->descriptor]['cambios'][$meta->nid] = array(
        'body' => $meta->body,
        'nid' => $meta->nid,
        'title' => $meta->title,
        'descriptor' => $meta->descriptor,
        'pdlp' => array(),
        'carabobo' => array(),
      );
    }
    //se obtienen pdlp y carabobo
    if (count($inputs_cambios)) {
      $implode = implode(', ', $sql_implode_cambios);
      $sql = "SELECT p.*, t.name, t.description FROM {content_field_cambios_pdp} AS p INNER JOIN {node} AS n ON n.nid = p.nid AND n.vid = p.vid AND n.type = 'cambios' INNER JOIN {term_data} AS t ON t.tid = p.field_cambios_pdp_value WHERE p.nid IN (" . $implode . ") ORDER BY t.name";

      $result = db_query($sql, $inputs_cambios);
      while($meta = db_fetch_object($result)) {
        if ($meta->field_cambios_pdp_value) {
          $descriptores[$cambios_load[$meta->nid]['descriptor']]['cambios'][$meta->nid]['pdlp'][$meta->delta][$meta->field_cambios_pdp_value] = $meta->name . ' ' . $meta->description;
          $cambios_load[$meta->nid]['pdlp'][$meta->delta][$meta->field_cambios_pdp_value] = $meta->name . ' ' . $meta->description;
          $pdlp_load[$meta->delta][$meta->field_cambios_pdp_value] = $meta->name . ' ' . $meta->description;
        }
      }
      $sql = "SELECT p.*, t.plan_carabobo_meta_value AS carabobo FROM {content_field_cambios_carabobo} AS p INNER JOIN {node} AS n ON n.nid = p.nid AND n.vid = p.vid AND n.type = 'cambios' INNER JOIN {term_fields_term} AS t ON t.tid = p.field_cambios_carabobo_value WHERE p.nid IN (" . implode(', ', $inputs_cambios) . ")";
      $result = db_query($sql, $inputs_cambios);
      while($meta = db_fetch_object($result)) {
        if ($meta->field_cambios_carabobo_value) {
          $descriptores[$cambios_load[$meta->nid]['descriptor']]['cambios'][$meta->nid]['carabobo'][$meta->delta][$meta->field_cambios_carabobo_value] = $meta->carabobo;
          $cambios_load[$meta->nid]['carabobo'][$meta->delta][$meta->field_cambios_carabobo_value] = $meta->carabobo;
          $carabobo_load[$meta->field_cambios_carabobo_value] = $meta->carabobo;
        }
      }
    }
  }
  return array(
    'descriptores' => $descriptores,
    'causas' => $causas_load,
    'cambios' => $cambios_load,
    'pdlp' => $pdlp_load,
    'carabobo' => $carabobo_load,
  );
}

/*
 * hook_form_alter()
 */
function politicas_proyectos_form_alter(&$form, $form_state, $form_id) {
  if ($form_id == 'proyectos_operativos_proyecto_basico_form') {
    $new_submit = array();
    //se coloca el submit de pd
    $new_submit[] = '_politicas_proyectos_basico_form_pd_submit';
    $new_submit[] = '_politicas_proyectos_basico_form_pd_1_submit';
    foreach($form['#submit'] as $submit) {
      $new_submit[] = $submit;
    }
    $form['#submit'] = $new_submit;
    //se agregan los nuevos campos
    if (isset($form['field_proyecto_pndes'])) {
      unset($form['field_proyecto_pndes']);
    }
    $form['field_proyecto_pndes']['#access'] = FALSE;
    $form['#proyectos_operativos_fields'][] = 'field_proyecto_problemas';
    $form['#proyectos_operativos_fields'][] = 'field_proyectos_descript';
    $form['#proyectos_operativos_fields'][] = 'field_proyecto_causas';
    $form['#proyectos_operativos_fields'][] = 'field_proyectos_causasc';
    $form['#proyectos_operativos_fields'][] = 'field_proyectos_cambios';
    $form['#proyectos_operativos_fields'][] = 'field_proyectos_solucion';
    $form['#proyectos_operativos_fields'][] = 'field_proyectos_carabobo';
    $politicas = _politicas_proyectos_references($form['#ente_planificador']->nid, 1);
    $form['#politicas'] = $politicas;
    $form['#causas'] = array();
    $form['#cambios'] = array();
    $form['#descriptores'] = array();
    $form['#formas_solucion'] = array();
    $form['#mpcc'] = array();
    $form['#pdlp'] = array();
    $causas_criticas = _politicas_proyectos_get_politicas_causas($form['#politicas']['politicas']);
    $politicas = array();
    //solo deje aquellas politicas que contengan causas criticas
    foreach($form['#politicas']['politicas'] as $id => $pol) {
      if (isset($causas_criticas[$id]) && is_array($causas_criticas[$id]) && count($causas_criticas[$id])) {
        $politicas[$id] = $pol;
      }
    }
    $form['#politicas']['politicas'] = $politicas;
    $form['#causas_criticas'] = $causas_criticas;
    $form['#carabobo'] = array();
    $politica = array();
    if (isset($form['#node']->field_proyecto_mcti) && is_array($form['#node']->field_proyecto_mcti)) {
      foreach($form['#node']->field_proyecto_mcti as $valor) {
        if ($valor['nid']) {
          $politica[$valor['nid']] = $valor['nid'];
        }
      }
    }
    //no deje enviar el formulario si no existen politicas para este ente
    $form['buttons']['registrar']['#access'] = is_array($form['#politicas']['politicas']) && count($form['#politicas']['politicas']);

    if (!count($politica) && is_array($form['#politicas']['politicas']) && count($form['#politicas']['politicas'])) {
      //se obtiene el primer elemento del arreglo
      $key = key($form['#politicas']['politicas']);
      $politica[$key] = $key;
    }
    $form['#politicas_campo'] = 'field_proyecto_mcti';
    $form['#politica'] = $politica;
    if (count($form['#politica'])) {
      $busca_causas = array();
      foreach($form['#politica'] as $id) {
        if (isset($form['#causas_criticas'][$id]) && is_array($form['#causas_criticas'][$id]) && count($form['#causas_criticas'][$id])) {
          foreach($form['#causas_criticas'][$id] as $causa) {
            $busca_causas[$causa] = $causa;
          }
        }
      }
      $descriptores_c = _politicas_proyectos_get_causas_all_causas('criticas', $busca_causas);
      $form['#formas_solucion'] = politicas_proyectos_get_formas_solucion($busca_causas);
      $all_descriptores = _politicas_proyectos_situacion_actual_listar_all_descriptores($descriptores_c);
      $form['#all_descriptores'] = $all_descriptores;
      $form['#descriptores'] = $all_descriptores['descriptores'];
      $form['#causas'] = $all_descriptores['causas'];
      $form['#cambios'] = $all_descriptores['cambios'];
      $form['#pdlp'] = $all_descriptores['pdlp'];
      $form['#carabobo'] = $all_descriptores['carabobo'];
    }
  }
  if ($form_id == 'proyectos_operativos_proyecto_indicadores_form') {
    $arreglo = array(
      'field_proyecto_causas' => 'field_proyecto_causas', 
      'field_proyecto_problemas' => 'field_proyecto_problemas', 
      'field_proyecto_consecuencias' => 'field_proyecto_consecuencias',
    );
    foreach($arreglo as $id) {
      if (isset($form['field_proyecto_causas'])) {
        unset($form[$id]);
        $title = $form['#field_info'][$id]['widget']['label'];
        unset($form['#field_info'][$id]);
        $items = array();
        if ($id != field_proyecto_consecuencias) {
          foreach($form['#node']->{$id} as $valor) {
            $items[] = $valor['value'];
          }
          $form[$id] = array(
            '#value' => '<div id="edit-field-proyecto-' . $id . '-0-value-wrapper" class="form-item"><label for="edit-field-proyecto-' . $id . '-0-value">' . $title . '</label>' . theme('item_list', $items) . '</div>',
          );
        }
      }
    }
    $new_fields = array();
    foreach($form['#proyectos_operativos_fields'] as $id) {
      if (!isset($arreglo[$id])) {
        $new_fields[] = $id;
      }
    }
    $form['#proyectos_operativos_fields'] = $new_fields;
  }
}

/*
 * Implementation of proyectos_operativos_proyecto_basico_form_submit().
 * Guardar formulario de datos basicos (proyectos operativos).
 */
function _politicas_proyectos_basico_form_pd_submit($form, &$form_state) {
  //se agregan los valores de descriptores, causas y cambios
  $arreglo = array(); 
  $arregloi = array();
  $campos = array(
    'descriptores' => array(
       'value' => 'field_proyecto_problemas',
       'nid' => 'field_proyectos_descript',
     ),
    'causas' => array(
       'value' => 'field_proyecto_causas',
       'nid' => 'field_proyectos_causasc',
     ),
    'cambios' => array(
       'nid' => 'field_proyectos_cambios',
     ),
  );
  $solucion = array();
  foreach($campos as $id1 => $tipos) {
    foreach($tipos as $valor => $campo) {
      $arreglo = array();
      foreach($form['#' . $id1] as $id => $nodo) {
        $arreglo[][$valor] = $valor == 'nid'? $id : check_plain($nodo['body']);
        if ($id1 == 'causas' && $valor == 'value') {
          foreach($form['#formas_solucion'][$id] as $texto) {
            $solucion[][$valor] = $texto;
          }
        }
      }
      $form_state['values'][$campo] = $arreglo;
    }
  }
  //se agregan los valores de formas de solucion
  $form_state['values']['field_proyectos_solucion'] = $solucion;
  //se agregan los valores de plan de la patria
  $pdlp = array();
  for($i = 0; $i < 4 ; $i++) {
    if (is_array($form['#pdlp'][$i])) {
      foreach($form['#pdlp'][$i] as $id => $valor) {
        if ($id) {
          $pdlp[] = $id;
        }
      }
    }
  }
  $form_state['values']['field_proyecto_pndes']['tids'] = $pdlp;
  //carabobo
  $arreglo = array();
  foreach($form['#carabobo'] as $id => $valor) {
    if ($id) {
      $arreglo[]['value'] = $id;
    }
  }
  $form_state['values']['field_proyectos_carabobo'] = $arreglo;
  $form_state['values']['field_proyecto_mcti'] = array();
  foreach($form['#politica'] as $politica) {
    $form_state['values']['field_proyecto_mcti'][]['nid'] = $politica;
  }
}


function _politicas_proyectos_display_politicas($descriptores, $formas_solucion) {
  $output = '';
  $arreglot = array(
    'descriptores' => t('Problemas (Descriptores)'),
    'causas' => t('Causas'),
    'cambios' => t('Cambios en la Situación Actual'),
  );
  $solucion = array();
  foreach($arreglot as $id1 => $texto) {
    $output .= '<div id="proyectos-' . $id1 . '"><label for="edit-field-' . $id1 . '-value">' . $texto . ':</label>';
    $arreglo = array();
    foreach($descriptores[$id1] as $id => $nodo) {
      $arreglo[] = $nodo['body'];
      if ($id1 == 'causas') {
        $solucion = array_merge($solucion, $formas_solucion[$id]);
      }
    }
    $output .= theme('item_list', $arreglo);
    $output .= '</div>';
    if ($id1 == 'causas') {
      $output .= '<div id="proyectos-solucion"><label for="edit-field-solucion-value">' . t('Formas de solución') . ':</label>';
      $output .= theme('item_list', $solucion);
      $output .= '</div>';
    }
  }
  //pdlp
  $output .= '<fieldset><legend>' . t('Plan de la Patria') . '</legend>';
  $arreglo = array(t('Objetivos Históricos'), t('Objetivos Nacionales'), t('Objetivos Estratégicos'), t('Objetivos Generales'));
  foreach($arreglo as $id => $texto) {
    $output .= '<div id="proyectos-objetivo-' . $id . '"><label for="edit-field-proyectos-objetivo-' . $id . '-value">' . $texto . ':</label>';
    $output .= theme('item_list', $descriptores['pdlp'][$id]);
    $output .= '</div>';
  }
  $output .= '</fieldset>';
  $output .= '<div id="proyectos-carabobo"><label for="edit-field-carabobo-value">' . t('Metas del Plan Campaña Carabobo') . ':</label>';
  $output .= theme('item_list', $descriptores['carabobo']);
  $output .= '</div>';
  return $output;
}

function _politicas_proyectos_get_politicas_causas($politicas = array()) {
  $causas = array();
  if (count($politicas)) {
    $sql = "SELECT p.field_politicas_causas_nid AS causa, p.nid FROM {content_field_politicas_causas} AS p INNER JOIN {node} AS n ON n.nid = p.nid AND n.vid = p.vid INNER JOIN {node} AS nc ON nc.nid = p.field_politicas_causas_nid INNER JOIN {content_type_causas} AS cc ON cc.nid = nc.nid AND cc.vid = nc.vid AND cc.field_causa_critica_value = '1' WHERE p.nid in(";
    $inputs = array();
    $implode_sql = array();
    foreach($politicas as $id => $politica) {
      $causas[$id] = array();
      $implode_sql[] = '%d';
      $inputs[] = $id;
    }
    $sql .= implode(', ', $implode_sql) . ')';
    $result = db_query($sql, $inputs);
    while($causa = db_fetch_object($result)) {
      $causas[$causa->nid][$causa->causa] = $causa->causa;
    }
  }
  return $causas;
}

/*
 * Implementation of _politicas_proyectos_get_causas_all_causas()
 * Obtiene las causas criticas por tipo de plan
 */
function _politicas_proyectos_get_causas_all_causas($tipo = 'posibles', $causas = array()){
  $tabla = ($tipo == 'posibles')? 'content_field_descriptores_posibles' : 'content_field_descriptores_criticas';
  $campo = 'field_descriptores_' . $tipo . '_nid';
  $descriptores = array();
  if (count($causas)) {
    $sql = "SELECT d.*, ds." . $campo . " AS causa FROM {" . $tabla . "} AS ds INNER JOIN {content_type_descriptores} AS d ON d.nid = ds.nid AND d.vid = ds.vid INNER JOIN {node} AS n ON n.nid = ds.nid AND n.vid = ds.vid INNER JOIN {node} AS nc ON nc.nid = ds." . $campo . " INNER JOIN {content_type_causas} AS cc ON cc.nid = nc.nid AND cc.vid = nc.vid AND cc.field_causa_critica_value = '1' WHERE ";
    $inputs = array();
    foreach($causas as $causa) {
      $implode_sql[] = '%d';
      $inputs[] = $causa;
    }
    $sql .= ' ds.' . $campo . ' in (' . implode(', ', $implode_sql) . ')';
    $result = db_query($sql, $inputs);
    $descriptores = array();
    while($descriptor = db_fetch_object($result)) {
      if ($descriptor->nid && $descriptor->causa) {
        $descriptores[$descriptor->causa][$descriptor->nid] = $descriptor->nid;
      }
    }
  }
  return $descriptores;
}

function politicas_proyectos_get_formas_solucion($causas = array()) {
  $soluciones = array();
  if (count($causas)) {
    $implode_sql = array();
    $inputs = array();
    $sql = "SELECT c.field_causa_solucion_value as value, c.delta, c.nid FROM {content_field_causa_solucion} AS c INNER JOIN {node} AS n ON n.nid = c.nid AND n.vid = c.vid WHERE c.nid IN (";
    foreach($causas as $causa) {
      $implode_sql[] = '%d';
      $inputs[] = $causa;
    }
    $sql .= implode(', ', $implode_sql) . ')';
    $soluciones = array();
    $result = db_query($sql, $inputs);
    while($solucion = db_fetch_object($result)) {
      $soluciones[$solucion->nid][$solucion->delta] = $solucion->value;
    }
  }
  return $soluciones;
}
/**
 * Implementation of hook_theme().
 */
function politicas_proyectos_theme() {
  return array(
    'politicas_direccionales_select' => array(
      'arguments' => array('element' => NULL),
    ),
    'politicas_proyectos_formatter_body' => array(
      'arguments' => array('element'),
      'function' => 'theme_politicas_proyectos_formatter_body',
    ),
  );
}

/**
 * Proxy theme function for 'full' and 'teaser' nodereference field formatters.
 */
function theme_politicas_proyectos_formatter_body($element) {
  static $recursion_queue = array();
  $output = '';
  if (!empty($element['#item']['safe']['nid'])) {
    $nid = $element['#item']['safe']['nid'];
    $node = $element['#node'];
    $field = content_fields($element['#field_name'], $element['#type_name']);
    // If no 'referencing node' is set, we are starting a new 'reference thread'
    if (!isset($node->referencing_node)) {
      $recursion_queue = array();
    }
    $recursion_queue[] = $node->nid;
    if (in_array($nid, $recursion_queue)) {
      // Prevent infinite recursion caused by reference cycles:
      // if the node has already been rendered earlier in this 'thread',
      // we fall back to 'default' (node title) formatter.
      return theme('nodereference_formatter_default', $element);
    }
    $referenced_node = _politicas_proyectos_load_politica($nid);
    if ($referenced_node) {
      $referenced_node->referencing_node = $node;
      $referenced_node->referencing_field = $field;
      $output = check_plain($referenced_node->body);
    }
  }
  return $output;
}

/**
 * Implementation of _politicas_proyectos_load_politica().
 * Load node
 */
function _politicas_proyectos_load_politica($nid){
  $node = 0;
  if ($nid) {
    $sql = 'SELECT n.nid, nr.body FROM {node} AS n INNER JOIN {node_revisions} AS nr ON nr.nid = n.nid AND nr.vid = n.vid WHERE n.nid = %d';
    $result = db_query($sql, $nid);
    $node = db_fetch_object($result);
  }
  return $node;
}




//----------------------------------------------------------------------------
// CCK hooks.

/**
 * Implementation of hook_widget_info().
 */
function politicas_proyectos_widget_info() {
  return array(
    'politicas_direccionales_select' => array( 
      'label'       => 'Enlace a Politicas Direccionales',
      'field types' => array('nodereference'),
      'multiple values' => CONTENT_HANDLE_MODULE,
      'callbacks' => array(
        'default value' => CONTENT_CALLBACK_DEFAULT,
      ),
    ),
  );
}

/**
 * Implementation of hook_field_formatter_info().
 */
function politicas_proyectos_field_formatter_info() {
  return array(
    'body' => array(
      'label' => t('Body'),
      'field types' => array('nodereference'),
      'multiple values' => CONTENT_HANDLE_CORE,
    ),
  );
}

/**
 * Implementation of hook_widget_settings().
 */
function politicas_proyectos_widget_settings($op, $widget) {
  switch ($op) {
    case 'form':
      $form = array();
      $situacion_actual = isset($widget['situacion_actual']) ? $widget['situacion_actual'] : FALSE;
      if ($widget['type'] == 'politicas_direccionales_select') {
        $form['situacion_actual'] = array(
          '#type' => 'checkbox',
          '#title' => t('Permitir solo entes que tienen S.A:'),
          '#default_value' => $situacion_actual,
        );
      }
      else {
        $form['situacion_actual'] = array('#type' => 'hidden', '#value' => $match);
      }
      return $form;

    case 'save':
      return array('situacion_actual');
  }
}

/**
 * Implementation of hook_widget().
 *
 * Attach a single form element to the form. It will be built out and
 * validated in the callback(s) listed in hook_elements. We build it
 * out in the callbacks rather than here in hook_widget so it can be
 * plugged into any module that can provide it with valid
 * $field information.
 *
 * Content module will set the weight, field name and delta values
 * for each form element. This is a change from earlier CCK versions
 * where the widget managed its own multiple values.
 *
 * If there are multiple values for this field, the content module will
 * call this function as many times as needed.
 *
 * @param $form
 *   the entire form array, $form['#node'] holds node information
 * @param $form_state
 *   the form_state, $form_state['values'][$field['field_name']]
 *   holds the field's form values.
 * @param $field
 *   the field array
 * @param $items
 *   array of default values for this field
 * @param $delta
 *   the order of this item in the array of subelements (0, 1, 2, etc)
 *
 * @return
 *   the form item for a single element for this field
 */
function politicas_proyectos_widget(&$form, &$form_state, $field, $items, $delta = 0) {
  switch ($field['widget']['type']) {
    case 'politicas_direccionales_select':
      $element = array(
        '#type' => 'politicas_direccionales_select',
        '#default_value' => $items,
      );
      break;
  }
  return $element;
}

/**
 * Implementation of FAPI hook_elements().
 *
 * Any FAPI callbacks needed for individual widgets can be declared here,
 * and the element will be passed to those callbacks for processing.
 *
 * Drupal will automatically theme the element using a theme with
 * the same name as the hook_elements key.
 *
 * Autocomplete_path is not used by text_widget but other widgets can use it
 * (see nodereference and userreference).
 */
function politicas_proyectos_elements() {
  return array(
    'politicas_direccionales_select' => array(
      '#input' => TRUE,
      '#columns' => array('uid'), '#delta' => 0,
      '#process' => array('politicas_direccionales_select_process'),
    ),
  );
}

/**
 * FAPI theme for an individual elements.
 *
 * The textfield or select is already rendered by the
 * textfield or select themes and the html output
 * lives in $element['#children']. Override this theme to
 * make custom changes to the output.
 *
 * $element['#field_name'] contains the field name
 * $element['#delta]  is the position of this element in the group
 */
function theme_politicas_direccionales_select($element) {
  return $element['#children'];
}

/**
 * Process an individual element.
 *
 * Build the form element. When creating a form using FAPI #process,
 * note that $element['#value'] is already set.
 *
 * The $fields array is in $form['#field_info'][$element['#field_name']].
 */
function politicas_direccionales_select_process($element, $edit, $form_state, $form) {
  global $user;
  $field_name = $element['#field_name'];
  $field = $form['#field_info'][$field_name];
  $field_key  = $element['#columns'][0];
  $default = isset($element['#value'][$field_key]) ? $element['#value'][$field_key] : $form['#politica'];
  $options = array();
  if (!isset($form['#politicas']['politicas']) && count($form['#politicas']['politicas'])) {
    $sa = isset($form['#field_info'][$element['#field_name']]['widget']['situacion_actual']) ? $form['#field_info'][$element['#field_name']]['widget']['situacion_actual'] : 0;
    // The nodereference_select widget doesn't need to create its own
    // element, it can wrap around the optionwidgets_select element.
    // This will create a new, nested instance of the field.
    // Add a validation step where the value can be unwrapped.
    $ente_nid = isset($form['#ente_planificador']) && isset($form['#ente_planificador']->nid) ? $form['#ente_planificador']->nid : 0;
    if (!$ente_nid) {
      $ente = usuario_tiene_ente($user->uid);
      $ente_nid = $ente->nid;
    }
    $field_key  = $element['#columns'][0];
    $politicas = _politicas_proyectos_references($ente_nid, $sa);
    $options = $politicas['politicas'];
  }
  else {
    $options = $form['#politicas']['politicas'];
    
  }
  $element[$field_key] = array(
    '#type' => 'select',
    '#title' => $element['#title'],
    '#description' => $element['#description'],
    '#required' => isset($element['#required']) ? $element['#required'] : $field['required'],
    '#multiple' => isset($element['#multiple']) ? $element['#multiple'] : $field['multiple'],
    '#options' => $options,
    '#default_value' => $default,
    '#entes' => $options['entes'],
  );
  if (isset($form['#politica'])) {
    $display = $form['#politica'] && count($form['#all_descriptores'])? _politicas_proyectos_display_politicas($form['#all_descriptores'], $form['#formas_solucion']) : t('No ha seleccionado una politica');
    if (!is_array($form['#politicas']['politicas']) || !count($form['#politicas']['politicas'])){
      $element[$field_key]['#prefix'] = '<div id="politicas-alert" class="color:red;font-weight: bold">' . t('El ente planificador aún no posee Políticas Direccionales.') . '</div>';
    }

    $element[$field_key]['#suffix'] = '<div id ="proyecto-operativo-' . $field_key . '" class="form-item">' . $display . '</div>'; 
    $element[$field_key]['#ahah'] = array(
      'event' => 'change',
      'path' => 'politicas_proyectos_get_politicas_js',
      'wrapper' => 'proyecto-operativo-' . $field_key,
      'method' => 'replace',
      'progress' => array('type' => 'bar', 'message' => t('Please wait...')),
    );

  }
  if (empty($element[$field_key]['#element_validate'])) {
    $element[$field_key]['#element_validate'] = array();
  }
  array_unshift($element[$field_key]['#element_validate'], 'nodereference_optionwidgets_validate');
  return $element;
}

/**
 * Implementation of _politicas_direccionales_references().
 */
function _politicas_proyectos_references($ente_id = 0, $sa = 0) {
  static $results = array();
  if (!$results[$ente_id]) {
    $fathers = _ente_planificador_hierarchical_get_desc($ente_id, 1);
    if ($sa) {
      $planns = _situacion_actual_preliminar_get_planns();
      $plan = $planns['situacion_actual'];
    }
    $inputs = array();
    $implode_sql = array();
    $max_level = 0;
    foreach($fathers as $ente){
      if ($max_level < $ente['level']) {
        $max_level = $ente['level'];
      }
      if (!$sa) {
        $implode_sql[] = '%d';
        $inputs[] = $ente['nid'];
      }
      elseif (isset($plan['ente_type'][$ente['level']])) {
        $implode_sql[] = '%d';
        $inputs[] = $ente['nid'];
      }
    }
    //si el propio ente tiene politicas
    if (isset($plan['ente_type'][$max_level + 1])) {
      $implode_sql[] = '%d';
      $inputs[] = $ente_id;
    }
    $sql = 'SELECT n.nid, nr.body, pd.field_politicas_ente_nid FROM {content_type_politicas_direccionales} AS pd INNER JOIN {node} AS n ON n.nid = pd.nid AND n.vid = pd.vid INNER JOIN {node_revisions} AS nr ON n.nid = nr.nid AND n.vid = nr.vid WHERE';
    if (count($implode_sql)) {
      $sql .= ' pd.field_politicas_ente_nid IN (' . implode (', ', $implode_sql) . ') AND';
    }
    $sql .= ' field_politicas_direcc_year_value = %d AND field_politicas_seleccionada_value = %d';   
    $inputs[] = variable_get('situacional_actual_preliminar_anho_creacion', 0);
    $inputs[] = 1;
    $result = db_query($sql, $inputs);
    $results[$field['#ente_id']] = array();
    while($politica = db_fetch_object($result)) {
      $results[$ente_id]['politicas'][$politica->nid] = $politica->body;
      $results[$ente_id]['entes'][$politica->field_politicas_ente_nid] = $politica->field_politicas_ente_nid;
    }
  }
  return $results[$ente_id];
}