Column.php

<?php

namespace Gridito;

/**
 * Grid column
 *
 * @author Jan Marek
 * @license MIT
 */
class Column extends \Nette\Application\UI\Control
{
	/** @var string */
	private $label;

	/** @var callback */
	private $renderer = null;

	/** @var bool */
	private $sortable = false;

	/** @var string */
	private $dateTimeFormat = 'j.n.Y G:i';

	/** @var string|callable */
	private $cellClass = null;

	/** @var string */
	private $columnName;



	public function setCellClass($class)
	{
	    $this->cellClass = $class;
		return $this;
	}



	public function getCellClass($iterator, $row)
	{
		if (is_callable($this->cellClass)) {
			return call_user_func($this->cellClass, $iterator, $row);
		} elseif (is_string($this->cellClass)) {
			return $this->cellClass;
		} else {
			return null;
		}
	}



	/**
	 * Get label
	 * @return string
	 */
	public function getLabel()
	{
		return $this->label;
	}



	/**
	 * Set label
	 * @param string $label label
	 * @return Column
	 */
	public function setLabel($label)
	{
		$this->label = $label;
		return $this;
	}



	/**
	 * Get cell renderer
	 * @return callback
	 */
	public function getRenderer()
	{
		return $this->renderer;
	}



	/**
	 * Set cell renderer
	 * @param callback $cellRenderer cell renderer
	 * @return Column
	 */
	public function setRenderer($cellRenderer)
	{
		$this->renderer = $cellRenderer;
		return $this;
	}



	/**
	 * Is sortable?
	 * @return bool
	 */
	public function isSortable() {
		return $this->sortable;
	}



	/**
	 * Set sortable
	 * @param bool $sortable sortable
	 * @return Column
	 */
	public function setSortable($sortable) {
		$this->sortable = $sortable;
		return $this;
	}



	/**
	 * Get sorting
	 * @return string|null asc, desc or null
	 */
	public function getSorting()
	{
		$sorting = $this->getGrid()->getSorting();

		if ($sorting === NULL) {
			return NULL;
		}

		list($column, $type) = $sorting;

		return $column === $this->columnName ? $type: NULL;
	}



	/**
	 * Get date/time format
	 * @return string
	 */
	public function getDateTimeFormat() {
		return $this->dateTimeFormat;
	}



	/**
	 * Set date/time format
	 * @param string $dateTimeFormat datetime format
	 * @return Column
	 */
	public function setDateTimeFormat($dateTimeFormat) {
		$this->dateTimeFormat = $dateTimeFormat;
		return $this;
	}



	/**
	 * Get grid
	 * @return Grid
	 */
	public function getGrid() {
		return $this->getParent()->getParent();
	}



	/**
	 * Render boolean
	 * @param bool $value value
	 */
	public static function renderBoolean($value)
	{
		$icon = $value ? 'check' : 'closethick';
		echo '<span class="ui-icon ui-icon-' . $icon . '"></span>';
	}



	/**
	 * Render datetime
	 * @param \Datetime $value value
	 * @param string $format datetime format
	 */
	public static function renderDateTime($value, $format)
	{
		echo $value->format($format);
	}



	/**
	 * Default cell renderer
	 * @param mixed $record
	 * @param Column $column
	 */
	public function defaultCellRenderer($record, $column) {
		$value = $this->getGrid()->getModel()->getItemValue($record, $this->columnName);

		// boolean
		if (is_bool($value)) {
			self::renderBoolean($value);

		// date
		} elseif ($value instanceof \DateTime) {
			self::renderDateTime($value, $this->dateTimeFormat);

		// other
		} else {
			echo htmlspecialchars($value, ENT_NOQUOTES);
		}
	}



	/**
	 * Render cell
	 * @param mixed $record record
	 */
	public function renderCell($record) {
		call_user_func($this->renderer ?: array($this, 'defaultCellRenderer'), $record, $this);
	}



	/**
	 * @param string $columnName
	 */
	public function setColumnName($columnName)
	{
		$this->columnName = $columnName;
	}



	/**
	 * @return string
	 */
	public function getColumnName()
	{
		return $this->columnName;
	}

}