/**
* Renders the sorter.
* @return string the rendering result
*/
public function renderSorter()
{
$sort = $this->dataProvider->getSort();
if ($sort === false || empty($sort->attributes) || $this->dataProvider->getCount() <= 0) {
return '';
}
/* @var $class LinkSorter */
$sorter = $this->sorter;
$class = ArrayHelper::remove($sorter, 'class', LinkSorter::className());
$sorter['sort'] = $sort;
$sorter['view'] = $this->getView();
return $class::widget($sorter);
}
/**
* Serializes a set of models.
* @param array $models
* @return array the array representation of the models
*/
protected function serializeModels(array $models)
{
list($fields, $expand) = $this->getRequestedFields();
foreach ($models as $i => $model) {
if ($model instanceof Arrayable) {
$models[$i] = $model->toArray($fields, $expand);
} elseif (is_array($model)) {
$models[$i] = ArrayHelper::toArray($model);
}
}
return $models;
}
/**
* Normalizes the attribute specifications.
* @throws InvalidConfigException
*/
protected function normalizeAttributes()
{
if ($this->attributes === null) {
if ($this->model instanceof Model) {
$this->attributes = $this->model->attributes();
} elseif (is_object($this->model)) {
$this->attributes = $this->model instanceof Arrayable ? $this->model->toArray() : array_keys(get_object_vars($this->model));
} elseif (is_array($this->model)) {
$this->attributes = array_keys($this->model);
} else {
throw new InvalidConfigException('The "model" property must be either an array or an object.');
}
sort($this->attributes);
}
foreach ($this->attributes as $i => $attribute) {
if (is_string($attribute)) {
if (!preg_match('/^([\\w\\.]+)(:(\\w*))?(:(.*))?$/', $attribute, $matches)) {
throw new InvalidConfigException('The attribute must be specified in the format of "attribute", "attribute:format" or "attribute:format:label"');
}
$attribute = ['attribute' => $matches[1], 'format' => isset($matches[3]) ? $matches[3] : 'text', 'label' => isset($matches[5]) ? $matches[5] : null];
}
if (!is_array($attribute)) {
throw new InvalidConfigException('The attribute configuration must be an array.');
}
if (isset($attribute['visible']) && !$attribute['visible']) {
unset($this->attributes[$i]);
continue;
}
if (!isset($attribute['format'])) {
$attribute['format'] = 'text';
}
if (isset($attribute['attribute'])) {
$attributeName = $attribute['attribute'];
if (!isset($attribute['label'])) {
$attribute['label'] = $this->model instanceof Model ? $this->model->getAttributeLabel($attributeName) : Inflector::camel2words($attributeName, true);
}
if (!array_key_exists('value', $attribute)) {
$attribute['value'] = ArrayHelper::getValue($this->model, $attributeName);
}
} elseif (!isset($attribute['label']) || !array_key_exists('value', $attribute)) {
throw new InvalidConfigException('The attribute configuration requires the "attribute" element to determine the value and display label.');
}
$this->attributes[$i] = $attribute;
}
}
/**
* @inheritdoc
*/
protected function getMigrationHistory($limit)
{
if ($this->db->schema->getTableSchema($this->migrationTable, true) === null) {
$this->createMigrationHistoryTable();
}
$query = new Query();
$rows = $query->select(['version', 'apply_time'])->from($this->migrationTable)->orderBy('apply_time DESC, version DESC')->limit($limit)->createCommand($this->db)->queryAll();
$history = ArrayHelper::map($rows, 'version', 'apply_time');
unset($history[self::BASE_MIGRATION]);
return $history;
}
/**
* Renders the content of a menu item.
* Note that the container and the sub-menus are not rendered here.
* @param array $item the menu item to be rendered. Please refer to [[items]] to see what data might be in the item.
* @return string the rendering result
*/
protected function renderItem($item)
{
if (isset($item['url'])) {
$template = ArrayHelper::getValue($item, 'template', $this->linkTemplate);
return strtr($template, ['{url}' => Html::encode(Url::to($item['url'])), '{label}' => $item['label']]);
} else {
$template = ArrayHelper::getValue($item, 'template', $this->labelTemplate);
return strtr($template, ['{label}' => $item['label']]);
}
}
/**
* Finds ActiveRecord instance(s) by the given condition.
* This method is internally called by [[findOne()]] and [[findAll()]].
* @param mixed $condition please refer to [[findOne()]] for the explanation of this parameter
* @return ActiveQueryInterface the newly created [[ActiveQueryInterface|ActiveQuery]] instance.
* @throws InvalidConfigException if there is no primary key defined
* @internal
*/
protected static function findByCondition($condition)
{
$query = static::find();
if (!ArrayHelper::isAssociative($condition)) {
// query by primary key
$primaryKey = static::primaryKey();
if (isset($primaryKey[0])) {
$pk = $primaryKey[0];
if (!empty($query->join) || !empty($query->joinWith)) {
$pk = static::tableName() . '.' . $pk;
}
$condition = [$pk => $condition];
} else {
throw new InvalidConfigException('"' . get_called_class() . '" must have a primary key.');
}
}
return $query->andWhere($condition);
}
/**
* Renders a single data model.
* @param mixed $model the data model to be rendered
* @param mixed $key the key value associated with the data model
* @param integer $index the zero-based index of the data model in the model array returned by [[dataProvider]].
* @return string the rendering result
*/
public function renderItem($model, $key, $index)
{
if ($this->itemView === null) {
$content = $key;
} elseif (is_string($this->itemView)) {
$content = $this->getView()->render($this->itemView, array_merge(['model' => $model, 'key' => $key, 'index' => $index, 'widget' => $this], $this->viewParams));
} else {
$content = call_user_func($this->itemView, $model, $key, $index, $this);
}
$options = $this->itemOptions;
$tag = ArrayHelper::remove($options, 'tag', 'div');
if ($tag !== false) {
$options['data-key'] = is_array($key) ? json_encode($key, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE) : (string) $key;
return Html::tag($tag, $content, $options);
} else {
return $content;
}
}
/**
* Returns the data cell value.
* @param mixed $model the data model
* @param mixed $key the key associated with the data model
* @param integer $index the zero-based index of the data model among the models array returned by [[GridView::dataProvider]].
* @return string the data cell value
*/
public function getDataCellValue($model, $key, $index)
{
if ($this->value !== null) {
if (is_string($this->value)) {
return ArrayHelper::getValue($model, $this->value);
} else {
return call_user_func($this->value, $model, $key, $index, $this);
}
} elseif ($this->attribute !== null) {
return ArrayHelper::getValue($model, $this->attribute);
}
return null;
}
/**
* Registers a JS file.
* @param string $url the JS file to be registered.
* @param array $options the HTML attributes for the script tag. The following options are specially handled
* and are not treated as HTML attributes:
*
* - `depends`: array, specifies the names of the asset bundles that this JS file depends on.
* - `position`: specifies where the JS script tag should be inserted in a page. The possible values are:
* * [[POS_HEAD]]: in the head section
* * [[POS_BEGIN]]: at the beginning of the body section
* * [[POS_END]]: at the end of the body section. This is the default value.
*
* Please refer to [[Html::jsFile()]] for other supported options.
*
* @param string $key the key that identifies the JS script file. If null, it will use
* $url as the key. If two JS files are registered with the same key, the latter
* will overwrite the former.
*/
public function registerJsFile($url, $options = [], $key = null)
{
$url = Leaps::getAlias($url);
$key = $key ?: $url;
$depends = ArrayHelper::remove($options, 'depends', []);
if (empty($depends)) {
$position = ArrayHelper::remove($options, 'position', self::POS_END);
$this->jsFiles[$position][$key] = Html::jsFile($url, $options);
} else {
$this->getAssetManager()->bundles[$key] = new AssetBundle(['baseUrl' => '', 'js' => [strncmp($url, '//', 2) === 0 ? $url : ltrim($url, '/')], 'jsOptions' => $options, 'depends' => (array) $depends]);
$this->registerAssetBundle($key);
}
}
/**
* Loads the messages from database.
* You may override this method to customize the message storage in the database.
* @param string $category the message category.
* @param string $language the target language.
* @return array the messages loaded from database.
*/
protected function loadMessagesFromDb($category, $language)
{
$mainQuery = new Query();
$mainQuery->select(['t1.message message', 't2.translation translation'])->from(["{$this->sourceMessageTable} t1", "{$this->messageTable} t2"])->where('t1.id = t2.id AND t1.category = :category AND t2.language = :language')->params([':category' => $category, ':language' => $language]);
$fallbackLanguage = substr($language, 0, 2);
if ($fallbackLanguage != $language) {
$fallbackQuery = new Query();
$fallbackQuery->select(['t1.message message', 't2.translation translation'])->from(["{$this->sourceMessageTable} t1", "{$this->messageTable} t2"])->where('t1.id = t2.id AND t1.category = :category AND t2.language = :fallbackLanguage')->andWhere("t2.id NOT IN (SELECT id FROM {$this->messageTable} WHERE language = :language)")->params([':category' => $category, ':language' => $language, ':fallbackLanguage' => $fallbackLanguage]);
$mainQuery->union($fallbackQuery, true);
}
$messages = $mainQuery->createCommand($this->db)->queryAll();
return ArrayHelper::map($messages, 'message', 'translation');
}
/**
* Renders the opening tag of the field container.
* @return string the rendering result.
*/
public function begin()
{
if ($this->form->enableClientScript) {
$clientOptions = $this->getClientOptions();
if (!empty($clientOptions)) {
$this->form->attributes[] = $clientOptions;
}
}
$inputID = Html::getInputId($this->model, $this->attribute);
$attribute = Html::getAttributeName($this->attribute);
$options = $this->options;
$class = isset($options['class']) ? [$options['class']] : [];
$class[] = "field-{$inputID}";
if ($this->model->isAttributeRequired($attribute)) {
$class[] = $this->form->requiredCssClass;
}
if ($this->model->hasErrors($attribute)) {
$class[] = $this->form->errorCssClass;
}
$options['class'] = implode(' ', $class);
$tag = ArrayHelper::remove($options, 'tag', 'div');
return Html::beginTag($tag, $options);
}
/**
* Generates a form field.
* A form field is associated with a model and an attribute. It contains a label, an input and an error message
* and use them to interact with end users to collect their inputs for the attribute.
* @param Model $model the data model
* @param string $attribute the attribute name or expression. See [[Html::getAttributeName()]] for the format
* about attribute expression.
* @param array $options the additional configurations for the field object. These are properties of [[ActiveField]]
* or a subclass, depending on the value of [[fieldClass]].
* @return ActiveField the created ActiveField object
* @see fieldConfig
*/
public function field($model, $attribute, $options = [])
{
$config = $this->fieldConfig;
if ($config instanceof \Closure) {
$config = call_user_func($config, $model, $attribute);
}
if (!isset($config['className'])) {
$config['className'] = $this->fieldClass;
}
return Leaps::createObject(ArrayHelper::merge($config, $options, ['model' => $model, 'attribute' => $attribute, 'form' => $this]));
}
/**
* Renders a single breadcrumb item.
* @param array $link the link to be rendered. It must contain the "label" element. The "url" element is optional.
* @param string $template the template to be used to rendered the link. The token "{link}" will be replaced by the link.
* @return string the rendering result
* @throws InvalidConfigException if `$link` does not have "label" element.
*/
protected function renderItem($link, $template)
{
$encodeLabel = ArrayHelper::remove($link, 'encode', $this->encodeLabels);
if (array_key_exists('label', $link)) {
$label = $encodeLabel ? Html::encode($link['label']) : $link['label'];
} else {
throw new InvalidConfigException('The "label" element is required for each link.');
}
if (isset($link['template'])) {
$template = $link['template'];
}
if (isset($link['url'])) {
$options = $link;
unset($options['template'], $options['label'], $options['url']);
$link = Html::a($label, $link['url'], $options);
} else {
$link = $label;
}
return strtr($template, ['{link}' => $link]);
}
/**
* 将模型转换为一个数组.
*
* This method will first identify which fields to be included in the resulting array by calling [[resolveFields()]].
* It will then turn the model into an array with these fields. If `$recursive` is true,
* any embedded objects will also be converted into arrays.
*
* If the model implements the [[Linkable]] interface, the resulting array will also have a `_link` element
* which refers to a list of links as specified by the interface.
*
* @param array $fields the fields being requested. If empty, all fields as specified by [[fields()]] will be returned.
* @param array $expand the additional fields being requested for exporting. Only fields declared in [[extraFields()]]
* will be considered.
* @param boolean $recursive whether to recursively return array representation of embedded objects.
* @return array the array representation of the object
*/
public function toArray(array $fields = [], array $expand = [], $recursive = true)
{
$data = [];
foreach ($this->resolveFields($fields, $expand) as $field => $definition) {
$data[$field] = is_string($definition) ? $this->{$definition} : call_user_func($definition, $this, $field);
}
if ($this instanceof Linkable) {
$data['_links'] = Link::serialize($this->getLinks());
}
return $recursive ? ArrayHelper::toArray($data) : $data;
}
/**
* Sorts the data models according to the given sort definition
*
* @param array $models the models to be sorted
* @param Sort $sort the sort definition
* @return array the sorted data models
*/
protected function sortModels($models, $sort)
{
$orders = $sort->getOrders();
if (!empty($orders)) {
ArrayHelper::multisort($models, array_keys($orders), array_values($orders));
}
return $models;
}