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<?php
/**
* @package yii2-grid
* @author Kartik Visweswaran <kartikv2@gmail.com>
* @copyright Copyright © Kartik Visweswaran, Krajee.com, 2014 - 2019
* @version 3.3.2
*/
namespace kartik\grid;
use Closure;
use kartik\base\Config;
use yii\base\Model;
use yii\helpers\ArrayHelper;
use yii\helpers\Html;
use yii\helpers\Json;
/**
* ColumnTrait maintains generic methods used by all column widgets in [[GridView]].
*
* @property array $options
* @property array $headerOptions
* @property array $filterOptions
* @property array $footerOptions
* @property array $contentOptions
* @property string $footer
* @property GridView $grid
* @property string $format
* @method getDataCellValue($model, $key, $index)
* @method renderCell()
*
* @author Kartik Visweswaran <kartikv2@gmail.com>
* @since 1.0
*/
trait ColumnTrait
{
/**
* @var string an unique identifier for the Column. If not set, it will be automatically generated.
*/
public $columnKey;
/**
* @var boolean whether the column is hidden from display. This is different than the `visible` property, in the
* sense, that the column is rendered, but hidden from display. This will allow you to still export the column
* using the export function.
*/
public $hidden;
/**
* @var boolean|array whether the column is hidden in export output. If set to boolean `true`, it will hide the
* column for all export formats. If set as an array, it will accept the list of GridView export `formats` and
* hide output only for them.
*/
public $hiddenFromExport;
/**
* @var boolean whether to strip HTML tags from the column during export. This can be useful for column data that
* is mainly a hyperlink or contains HTML markup that are not needed for display at export. Defaults to `false`.
*/
public $stripTagsFromExport = false;
/**
* @var boolean whether to force no wrapping on all table cells in the column
* @see http://www.w3schools.com/cssref/pr_text_white-space.asp
*/
public $noWrap;
/**
* @var boolean whether to merge the header title row and the filter row. This will not render the filter for the
* column and can be used when `filter` is set to `false`. Defaults to `false`. This is only applicable when
* [[GridView::filterPosition]] for the grid is set to [[GridView::FILTER_POS_BODY]].
*/
public $mergeHeader;
/**
* @var boolean|string|Closure the page summary that is displayed above the footer. You can set it to one of the
* following:
* - `false`: the summary will not be displayed.
* - `true`: the page summary for the column will be calculated and displayed using the
* [[pageSummaryFunc]] setting.
* - `string`: will be displayed as is.
* - `Closure`: you can set it to an anonymous function with the following signature:
*
* ```php
* // example 1
* function ($summary, $data, $widget) { return 'Count is ' . $summary; }
* // example 2
* function ($summary, $data, $widget) { return 'Range ' . min($data) . ' to ' . max($data); }
* ```
*
* where:
*
* - the `$summary` variable will be replaced with the calculated summary using the [[pageSummaryFunc]] setting.
* - the `$data` variable will contain array of the selected page rows for the column.
*/
public $pageSummary;
/**
* @var boolean whether to just hide the page summary display but still calculate the summary based on
* [[pageSummary]] settings
*/
public $hidePageSummary;
/**
* @var string|Closure the summary function that will be used to calculate the page summary for the column. If
* setting as `Closure`, you can set it to an anonymous function with the following signature:
*
* ```php
* function ($data)
* ```
*
* - the `$data` variable will contain array of the selected page rows for the column.
*/
public $pageSummaryFunc;
/**
* @var array HTML attributes for the page summary cell. The following special attributes are available:
* - `prepend`: _string_, a prefix string that will be prepended before the pageSummary content
* - `append`: _string_, a suffix string that will be appended after the pageSummary content
* - `colspan`: _int_, the column count that will be merged.
* - `data-colspan-dir`: _string_, whether `ltr` or `rtl`. Defaults to `ltr`. If this is set to `ltr` the columns
* will be merged starting from this column to the right (i.e. left to right). If this is set to `rtl`, the columns
* will be merged starting from this column to the left (i.e. right to left).
*/
public $pageSummaryOptions;
/**
* @var string the horizontal alignment of each column. Should be one of [[GridView::ALIGN_LEFT]],
* [[GridView::ALIGN_RIGHT]], or [[GridView::ALIGN_CENTER]].
*/
public $hAlign;
/**
* @var string the vertical alignment of each column. Should be one of [[GridView::ALIGN_TOP]],
* [[GridView::ALIGN_BOTTOM]], or [[GridView::ALIGN_MIDDLE]].
*/
public $vAlign;
/**
* @var string the width of each column (matches the CSS width property).
* @see http://www.w3schools.com/cssref/pr_dim_width.asp
*/
public $width;
/**
* @var array collection of row data for the column for the current page
*/
protected $_rows = [];
/**
* @var \yii\web\View the view instance
*/
protected $_view;
/**
* @var string the internally generated client script to initialize
*/
protected $_clientScript = '';
/**
* Initialize column settings
* @param array $settings
*/
public function initColumnSettings($settings = [])
{
$this->_view = $this->grid->getView();
$settings += [
'hidden' => false,
'hiddenFromExport' => false,
'noWrap' => false,
'mergeHeader' => false,
'pageSummary' => false,
'hidePageSummary' => false,
'pageSummaryFunc' => GridView::F_SUM,
'pageSummaryOptions' => [],
];
foreach ($settings as $key => $val) {
if (!isset($this->$key)) {
$this->$key = $val;
}
}
$this->initColumnKey();
}
/**
* Renders the header cell.
*
* @return string
*/
public function renderHeaderCell()
{
if ($this->grid->filterModel !== null && $this->mergeHeader && $this->grid->filterPosition === GridView::FILTER_POS_BODY) {
$this->headerOptions['rowspan'] = 2;
Html::addCssClass($this->headerOptions, 'kv-merged-header');
}
$this->headerOptions['data-col-seq'] = array_search($this, $this->grid->columns);
/** @noinspection PhpUndefinedClassInspection */
/** @noinspection PhpUndefinedMethodInspection */
return parent::renderHeaderCell();
}
/**
* Renders the filter cell.
*
* @return string
*/
public function renderFilterCell()
{
if ($this->grid->filterModel !== null && $this->mergeHeader && $this->grid->filterPosition === GridView::FILTER_POS_BODY) {
return null;
}
$this->headerOptions['data-col-seq'] = array_search($this, $this->grid->columns);
/** @noinspection PhpUndefinedClassInspection */
/** @noinspection PhpUndefinedMethodInspection */
return parent::renderFilterCell();
}
/**
* Renders the page summary cell.
*
* @return string the rendered result
*/
public function renderPageSummaryCell()
{
$prepend = ArrayHelper::remove($this->pageSummaryOptions, 'prepend', '');
$append = ArrayHelper::remove($this->pageSummaryOptions, 'append', '');
return Html::tag('td', $prepend . $this->renderPageSummaryCellContent() . $append, $this->pageSummaryOptions);
}
/**
* Parses Excel Cell Formats for export
*
* @param array $options the HTML attributes for the cell
* @param Model $model the current model being rendered
* @param mixed $key the primary key value for the model
* @param integer $index the zero-based index of the model being rendered
*/
public function parseExcelFormats(&$options, $model, $key, $index)
{
$autoFormat = $this->grid->autoXlFormat;
if (!isset($this->xlFormat) && !$autoFormat) {
return;
}
$fmt = '';
$format = is_array($this->format) ? $this->format[0] : $this->format;
$formatter = $this->grid->formatter;
if (isset($this->xlFormat)) {
$fmt = $this->xlFormat;
} elseif ($autoFormat && isset($this->format)) {
$tSep = isset($formatter->thousandSeparator) ? $formatter->thousandSeparator : ',';
$dSep = isset($formatter->decimalSeparator) ? $formatter->decimalSeparator : '.';
switch ($format) {
case 'text':
case 'html':
case 'raw':
case 'ntext':
case 'paragraphs':
case 'spellout':
case 'bool':
case 'relativeTime':
$fmt = '\@';
break;
case 'integer':
$fmt = "\\#\\{$tSep}\\#\\#0";
break;
case 'decimal':
case 'percent':
case 'scientific':
$decimals = is_array($this->format) && isset($this->format[1]) ? $this->format[1] : 2;
$append = $decimals > 0 ? "\\{$dSep}" . str_repeat('0', $decimals) : '';
if ($format == 'percent') {
$append .= '%';
}
$fmt = ($format == 'scientific') ? "0{$append}E+00" : "\\#\\{$tSep}\\#\\#0" . $append;
break;
case 'currency':
$curr = is_array($this->format) && isset($this->format[1]) ? $this->format[1] :
isset($formatter->currencyCode) ? $formatter->currencyCode . ' ' : '';
$fmt = "{$curr}\\#\\{$tSep}\\#\\#0{$dSep}00";
break;
case 'date':
case 'time':
$fmt = 'Short ' . ucfirst($format);
break;
case 'datetime':
$fmt = 'yyyy\-MM\-dd HH\:mm\:ss';
break;
default:
$fmt = '';
break;
}
}
if ($format === 'date' || $format === 'datetime' || $format === 'time') {
$rawValue = $this->getDataCellValue($model, $key, $index);
switch ($format) {
case 'date':
$rawValue = $formatter->format($rawValue, ['date', 'php:Y-m-d']);
break;
case 'datetime':
$rawValue = $formatter->format($rawValue, ['date', 'php:Y-m-d H:i:s']);
break;
case 'time':
$rawValue = $formatter->format($rawValue, ['date', 'php:H:i:s']);
break;
}
$options['data-raw-value'] = $rawValue;
} elseif ($format === 'integer' || $format === 'decimal' || $format === 'percent' || $format === 'scientific') {
$options['data-raw-value'] = $this->getDataCellValue($model, $key, $index);
}
Html::addCssStyle($options, ['mso-number-format' => $fmt]);
}
/**
* Renders the page summary cell content.
*
* @return string the rendered result
*/
protected function renderPageSummaryCellContent()
{
if ($this->hidePageSummary) {
return $this->grid->emptyCell;
}
$content = $this->getPageSummaryCellContent();
if ($this->pageSummary === true) {
return $this->grid->formatter->format($content, $this->format);
}
return ($content === null) ? $this->grid->emptyCell : $content;
}
/**
* Gets the raw page summary cell content.
*
* @return string the rendered result
*/
protected function getPageSummaryCellContent()
{
if ($this->pageSummary === true || $this->pageSummary instanceof \Closure) {
$summary = $this->calculateSummary();
return ($this->pageSummary === true) ? $summary : call_user_func(
$this->pageSummary,
$summary,
$this->_rows,
$this
);
}
if ($this->pageSummary !== false) {
return $this->pageSummary;
}
return null;
}
/**
* Calculates the summary of an input data based on page summary aggregration function.
*
* @return float
*/
protected function calculateSummary()
{
$type = $this->pageSummaryFunc;
if ($type instanceof Closure) {
return call_user_func($type, $this->_rows);
}
if (empty($this->_rows)) {
return '';
}
$data = $this->_rows;
switch ($type) {
case null:
case GridView::F_SUM:
return array_sum($data);
case GridView::F_COUNT:
return count($data);
case GridView::F_AVG:
return count($data) > 0 ? array_sum($data) / count($data) : null;
case GridView::F_MAX:
return max($data);
case GridView::F_MIN:
return min($data);
}
return '';
}
/**
* Checks if the filter input types are valid
* @throws \yii\base\InvalidConfigException
*/
protected function checkValidFilters()
{
if (isset($this->filterType)) {
Config::validateInputWidget($this->filterType, 'for filtering the grid as per your setup');
}
}
/**
* Checks `hidden` property and hides the column from display
*/
protected function parseVisibility()
{
if ($this->stripTagsFromExport) {
Html::addCssClass($this->options, 'strip-tags-export');
}
if ($this->hidden === true) {
Html::addCssClass($this->filterOptions, 'kv-grid-hide');
Html::addCssClass($this->headerOptions, 'kv-grid-hide');
Html::addCssClass($this->footerOptions, 'kv-grid-hide');
Html::addCssClass($this->pageSummaryOptions, 'kv-grid-hide');
}
if ($this->hiddenFromExport === true) {
Html::addCssClass($this->filterOptions, 'skip-export');
Html::addCssClass($this->headerOptions, 'skip-export');
Html::addCssClass($this->footerOptions, 'skip-export');
Html::addCssClass($this->pageSummaryOptions, 'skip-export');
Html::addCssClass($this->options, 'skip-export');
}
if (is_array($this->hiddenFromExport) && !empty($this->hiddenFromExport)) {
$tag = 'skip-export-';
$css = $tag . implode(" {$tag}", $this->hiddenFromExport);
Html::addCssClass($this->filterOptions, $css);
Html::addCssClass($this->headerOptions, $css);
Html::addCssClass($this->footerOptions, $css);
Html::addCssClass($this->pageSummaryOptions, $css);
Html::addCssClass($this->options, $css);
}
}
/**
* Parses and formats a grid column
*/
protected function parseFormat()
{
$format = isset($this->format) ? (array)$this->format : [];
if (!empty($format)) {
$fmt = $format[0];
if (in_array($fmt, ['integer', 'decimal', 'percent', 'scientific', 'currency', 'length', 'weight'])) {
Html::addCssClass($this->headerOptions, ['sort-numerical']);
}
}
if ($this->isValidAlignment()) {
$class = "kv-align-{$this->hAlign}";
Html::addCssClass($this->headerOptions, $class);
Html::addCssClass($this->pageSummaryOptions, $class);
Html::addCssClass($this->footerOptions, $class);
}
if ($this->noWrap) {
Html::addCssClass($this->headerOptions, GridView::NOWRAP);
Html::addCssClass($this->pageSummaryOptions, GridView::NOWRAP);
Html::addCssClass($this->footerOptions, GridView::NOWRAP);
}
if ($this->isValidAlignment('vAlign')) {
$class = "kv-align-{$this->vAlign}";
Html::addCssClass($this->headerOptions, $class);
Html::addCssClass($this->pageSummaryOptions, $class);
Html::addCssClass($this->footerOptions, $class);
}
if (trim($this->width) != '') {
Html::addCssStyle($this->headerOptions, "width:{$this->width};");
Html::addCssStyle($this->pageSummaryOptions, "width:{$this->width};");
Html::addCssStyle($this->footerOptions, "width:{$this->width};");
}
}
/**
* Check if the alignment provided is valid
*
* @param string $type the alignment type
*
* @return boolean
*/
protected function isValidAlignment($type = 'hAlign')
{
if ($type === 'hAlign') {
return (
$this->hAlign === GridView::ALIGN_LEFT ||
$this->hAlign === GridView::ALIGN_RIGHT ||
$this->hAlign === GridView::ALIGN_CENTER
);
} elseif ($type = 'vAlign') {
return (
$this->vAlign === GridView::ALIGN_TOP ||
$this->vAlign === GridView::ALIGN_MIDDLE ||
$this->vAlign === GridView::ALIGN_BOTTOM
);
}
return false;
}
/**
* Parses and fetches updated content options for grid visibility and format
*
* @param mixed $model the data model being rendered
* @param mixed $key the key associated with the data model
* @param integer $index the zero-based index of the data item among the item array returned by
* [[GridView::dataProvider]].
*
* @return array
*/
protected function fetchContentOptions($model, $key, $index)
{
if ($this->contentOptions instanceof \Closure) {
$options = call_user_func($this->contentOptions, $model, $key, $index, $this);
} else {
$options = $this->contentOptions;
}
if ($this->hidden === true) {
Html::addCssClass($options, 'kv-grid-hide');
}
if ($this->hiddenFromExport === true) {
Html::addCssClass($options, 'skip-export');
}
if (is_array($this->hiddenFromExport) && !empty($this->hiddenFromExport)) {
$tag = 'skip-export-';
$css = $tag . implode(" {$tag}", $this->hiddenFromExport);
Html::addCssClass($options, $css);
}
if ($this->isValidAlignment()) {
Html::addCssClass($options, "kv-align-{$this->hAlign}");
}
if ($this->noWrap) {
Html::addCssClass($options, GridView::NOWRAP);
}
if ($this->isValidAlignment('vAlign')) {
Html::addCssClass($options, "kv-align-{$this->vAlign}");
}
if (trim($this->width) != '') {
Html::addCssStyle($options, "width:{$this->width};");
}
$options['data-col-seq'] = array_search($this, $this->grid->columns);
return $options;
}
/**
* Store all rows for the column for the current page
*/
protected function setPageRows()
{
if ($this->grid->showPageSummary && isset($this->pageSummary) && $this->pageSummary !== false &&
!is_string($this->pageSummary)
) {
$provider = $this->grid->dataProvider;
$models = array_values($provider->getModels());
$keys = $provider->getKeys();
foreach ($models as $index => $model) {
$key = $keys[$index];
$this->_rows[] = $this->getDataCellValue($model, $key, $index);
}
}
}
/**
* Get the raw footer cell content.
*
* @return string the rendered result
*/
protected function getFooterCellContent()
{
return $this->footer;
}
/**
* Initialize column specific JS functionality whenever pjax request completes
*
* @param string $script the js script to be used as a callback
*/
protected function initPjax($script = '')
{
if (!$this->grid->pjax || empty($script)) {
return;
}
$cont = 'jQuery("#' . $this->grid->getPjaxContainerId() . '")';
$view = $this->grid->getView();
$ev = 'pjax:complete.' . hash('crc32', $script);
$view->registerJs("{$cont}.off('{$ev}').on('{$ev}', function(){ {$script} });");
}
/**
* Parses a value if Closure and returns the right value
*
* @param string|int|Closure $var the variable to parse
* @param Model $model the model instance
* @param string|object $key the current model key value
* @param integer $index the index of the current record in the data provider
*
* @return mixed
*/
protected function parseVal($var, $model, $key, $index)
{
return $var instanceof Closure ? call_user_func($var, $model, $key, $index, $this) : $var;
}
/**
* Initializes grid grouping
*/
protected function initGrouping()
{
if (empty($this->group)) {
return;
}
$view = $this->grid->getView();
Html::addCssClass($this->headerOptions, 'kv-grid-group-header');
Html::addCssClass($this->filterOptions, 'kv-grid-group-filter');
$this->headerOptions['data-group-key'] = $this->filterOptions['data-group-key'] = $this->columnKey;
GridGroupAsset::register($view);
$id = $this->grid->options['id'];
$this->_clientScript = "kvGridGroup('{$id}');";
$view->registerJs($this->_clientScript);
}
/**
* Parses grid grouping and sets data attributes
*
* @param array $options
* @param Model $model
* @param mixed $key
* @param integer $index
*/
protected function parseGrouping(&$options, $model, $key, $index)
{
if (empty($this->group)) {
return;
}
Html::addCssClass($options, 'kv-grid-group');
$options['data-group-key'] = $this->columnKey;
if (!empty($this->groupOddCssClass)) {
$options['data-odd-css'] = $this->parseVal($this->groupOddCssClass, $model, $key, $index);
}
if (!empty($this->groupEvenCssClass)) {
$options['data-even-css'] = $this->parseVal($this->groupEvenCssClass, $model, $key, $index);
}
if (isset($this->subGroupOf)) {
$options['data-sub-group-of'] = $this->parseVal($this->subGroupOf, $model, $key, $index);
}
if (isset($this->groupedRow)) {
$options['data-grouped-row'] = $this->parseVal($this->groupedRow, $model, $key, $index);
}
if (!empty($this->groupHeader)) {
$options['data-group-header'] = Json::encode($this->parseVal($this->groupHeader, $model, $key, $index));
}
if (!empty($this->groupFooter)) {
$options['data-group-footer'] = Json::encode($this->parseVal($this->groupFooter, $model, $key, $index));
}
}
/**
* Initializes the column key
*/
protected function initColumnKey()
{
if (!isset($this->columnKey)) {
$this->columnKey = hash('crc32', spl_object_hash($this));
}
}
}