function getField()
{
$value = $this->getParam('value');
if (!$value) {
return ' - ';
}
$key_field = $this->getParam('key_field');
$values_field = $this->getParam('values_field');
$lookup_table = $this->getParam('lookup_table');
$external_link = $this->getParam('external_link');
$db = DBMysql::getInstance();
$query = " SELECT `{$values_field}` FROM `{$lookup_table}` ";
$query .= " WHERE `{$key_field}` = '{$value}' ";
$db->setQuery($query);
$field = $db->getResult();
if ($field === false) {
$this->errors[] = $db->getError();
return false;
}
if ($external_link) {
$external_link = str_replace('*', $value, $external_link);
$external_link = $this->getURLString($external_link);
$field = '<a href="' . $external_link . '">' . $field . '</a>' . "\n";
}
return $field;
}
/**
* 得到实例
*
* @access public
* @return mixed
*/
public static function getInstance()
{
$dbinfo = self::getDbInfo();
switch ($dbinfo['type']) {
default:
return DBMysql::getInstance($dbinfo);
}
}
function loadItems()
{
// if ($this->items) {
// return true;
// }
$this->items = array();
$value = $this->getParam('value');
$add_no_answer = $this->getParam('add_no_answer');
$mode = $this->getParam('mode');
if ($mode != 'list' && $add_no_answer || $mode == 'list' && !$value) {
$this->items[0] = ' - ';
}
$lookup_table = $this->getParam('lookup_table');
$key_field = $this->getParam('key_field');
$values_field = $this->getParam('values_field');
$filters = $this->getParam('filters');
if (!$lookup_table || !$key_field || !$values_field) {
$name = $this->getParam('name');
$this->errors[] = "Some lookup table parameters not set. Field '{$name}' ";
return false;
}
$db = DBMysql::getInstance();
$query = " SELECT `{$key_field}`, `{$values_field}` FROM `{$lookup_table}` ";
$where_params = array();
if ($mode == 'list' && $value) {
$where_params[] = " `{$key_field}` = '{$value}' ";
}
if ($filters && is_array($filters)) {
foreach ($filters as $filter) {
$where_params[] = " `{$filter['field']}` = '{$filter['value']}' ";
}
}
if ($where_params) {
$query .= " WHERE " . implode(' AND ', $where_params);
}
$db->setQuery($query);
$result = $db->getArrays();
if ($result === false) {
$this->errors[] = $db->getError();
return false;
}
if (!$result) {
$this->items[0] = ' - ';
} else {
foreach ($result as $value) {
$this->items[$value[$key_field]] = $value[$values_field];
}
}
return true;
}
function getValue()
{
$value = (int) $this->getParam('value');
$name = $this->getParam('name');
$table = $this->getParam('table');
if (!$table) {
return 1;
}
if (!$value) {
$db = DBMysql::getInstance();
$query = "SELECT MAX(`{$name}`) + 1 FROM `{$table}` ";
$db->setQuery($query);
$value = $db->getResult();
if (!$value) {
return 1;
}
}
return $value;
}
function beforeDelete()
{
$check_foreign_key = $this->getParam('check_foreign_key');
$key_field_value = $this->getParam('key_field_value');
// $many_to_many_table = $this->getParam('many_to_many_table');
if (!$check_foreign_key) {
return true;
}
$db = DBMysql::getInstance();
foreach ($check_foreign_key as $foreign_key) {
if (empty($foreign_key['is_allow_delete'])) {
continue;
}
$query = "\n\t\t\t\tDELETE FROM `{$foreign_key['table']}`\n\t\t\t\tWHERE `{$foreign_key['field']}` = '{$key_field_value}'\n\t\t\t";
$db->setQuery($query);
if (!$db->query()) {
$this->errors[] = $db->getError();
return false;
}
}
return true;
}
function afterSave()
{
// var_dump($this);exit;
$value = $this->getParam('value');
$table = $this->getParam('db_table');
$file_size_field = $this->getParam('file_size_field');
$is_size_in_human_readable_format = $this->getParam('is_size_in_human_readable_format');
$upload_path = $this->getParam('upload_path');
$key_field_name = $this->getParam('key_field');
$key_field_value = $this->getParam('key_field_value');
if (!$file_size_field || $value === false) {
return true;
}
$fileSize = '';
if ($value !== '') {
$fileSize = filesize($upload_path . $value);
if ($is_size_in_human_readable_format) {
switch ($fileSize) {
case $fileSize < 1024:
$fileSize = $fileSize . 'B';
break;
case $fileSize >= 1024 && $fileSize < 1048576:
$fileSize = round($fileSize / 1024) . 'KB';
break;
case $fileSize >= 1048576 && $fileSize < 1073741824:
$fileSize = round($fileSize / 1048576) . 'MB';
}
}
}
$db = DBMysql::getInstance();
$query = "\n\t\t\tUPDATE `{$table}`\n\t\t\tSET `{$file_size_field}` = '{$fileSize}'\n\t\t\tWHERE `{$key_field_name}` = '{$key_field_value}'\n\t\t";
// var_dump($query);exit;
$db->setQuery($query);
if (!$db->query()) {
$this->errors[] = $db->getError();
return false;
}
return true;
}
function getRowsCount()
{
$db = DBMysql::getInstance();
$query = "\n\t\t\tSELECT COUNT(*)\n\t\t\tFROM `{$this->table}`\n\t\t";
if (isset($this->join_table['name'])) {
$query .= "\n\t\t\t\tINNER JOIN `{$this->join_table['name']}` ON\n\t\t\t\t\t`{$this->join_table['name']}`.`{$this->join_table['join_field']}`\n\t\t\t\t\t\t= `{$this->table}`.`{$this->key_field}`\n\t\t\t";
}
if ($this->where_conditions) {
$query .= ' WHERE ' . $this->getWhereStr();
}
$db->setQuery($query);
$result = $db->getResult();
if ($result === false) {
$this->errors[] = $db->getError();
return false;
}
return $result;
}
function save($data)
{
$this->setMode('save');
if (!$this->loadFields()) {
return false;
}
$update_fields_params = array();
foreach ($this->fields as $field) {
if ($field['type'] != 'key') {
$field = array_merge($field, $this->fields_params);
$update_fields_params[] = $field;
}
}
$renderer = new DMRenderer();
$renderer->setFields($update_fields_params);
$renderer->setData($data);
$renderer->setFieldsPrefix($this->fields_prefix);
$mode = $this->getMode();
$aditional_params = array('key_field' => $this->key_field, 'mode' => $mode);
$renderer->addParams($aditional_params);
$data = $renderer->getFieldsData();
if ($data === false) {
$this->errors = $renderer->getErrors();
return false;
}
$this->key_value = isset($data[$this->key_field]) ? $data[$this->key_field] : 0;
if ($this->key_field && $this->key_value) {
$this->addWhereCondition(" `{$this->key_field}` = '{$this->key_value}' ");
$result = parent::update($data, $this->table);
if (!$result) {
return $result;
}
$renderer->triggerEvent('afterSave', $this->key_value, $this->table);
if (!empty($this->join_table['name'])) {
$this->where_conditions = array();
$join_table_key_field_value = $data[$this->join_table['key_field']];
$this->addWhereCondition(" `{$this->join_table['key_field']}` = '{$join_table_key_field_value}' ");
$result = parent::update($data, $this->join_table['name']);
$renderer->triggerEvent('afterSave', $this->key_value, $this->table);
}
} else {
$result = parent::insert($data, $this->table);
$db = DBMysql::getInstance();
$this->key_value = $db->insertid();
if (!$result) {
return $result;
}
$renderer->triggerEvent('afterSave', $this->key_value, $this->table);
if (!empty($this->join_table['name'])) {
$this->table_fields[] = array('table' => $this->join_table['name'], 'name' => $this->join_table['join_field']);
$data[$this->join_table['join_field']] = $this->key_value;
$this->key_field = $this->join_table['key_field'];
$result = parent::insert($data, $this->join_table['name']);
$join_table_key_field_value = $db->insertid();
$renderer->triggerEvent('afterSave', $join_table_key_field_value, $this->join_table['name']);
}
}
if (!$result) {
return $result;
}
return $result;
}
function afterSave()
{
$name = $this->getParam('name');
$key_field_value = $this->getParam('key_field_value');
$many_to_many_table = $this->getParam('many_to_many_table');
$link_field = $this->getParam('link_field');
$lookup_field = $this->getParam('lookup_field');
$many_to_many_table_filters = $this->getParam('many_to_many_table_filters');
$db = DBMysql::getInstance();
/// deleting
$query = "\n\t\t\tDELETE FROM `{$many_to_many_table}`\n\t\t\tWHERE `{$link_field}` = '{$key_field_value}'\n\t\t";
if ($many_to_many_table_filters && is_array($many_to_many_table_filters)) {
foreach ($many_to_many_table_filters as $field => $value) {
$query .= " AND `{$field}` = '{$value}' ";
}
}
$db->setQuery($query);
if (!$db->query()) {
$this->errors[] = $db->getError();
return false;
}
// inserting
if (!isset($_POST[$name])) {
return true;
}
$fields = array($link_field, $lookup_field);
if ($many_to_many_table_filters && is_array($many_to_many_table_filters)) {
foreach ($many_to_many_table_filters as $field => $value) {
$fields[] = $field;
}
}
$insert_params = array();
foreach ($_POST[$name] as $lookup_value) {
$values = array($key_field_value, $lookup_value);
if ($many_to_many_table_filters && is_array($many_to_many_table_filters)) {
foreach ($many_to_many_table_filters as $filter_value) {
$values[] = $filter_value;
}
}
$insert_params[] = "('" . implode("', '", $values) . "')";
}
$insert_str = implode(', ', $insert_params);
$query = "\n\t\t\tINSERT INTO `{$many_to_many_table}`\n\t\t\t( `" . implode('`, `', $fields) . "` )\n\t\t\tVALUES {$insert_str}\n\t\t";
$db->setQuery($query);
if (!$db->query()) {
$this->errors[] = $db->getError();
return false;
}
return true;
}