/application/libraries/doc/fx_data_column.php

<?php

	// L?p Fx_Data_Column chuyęn důng ?? h? tr? cho Fx_Data_Row

	class Fx_Data_Column extends Fx_Data_View 

	{

		// Hŕng ch?a c?t

		protected $_dataRow = null;

		// Tięu ?? c?t

		protected $_heading = '';

		// Colspan

		protected $_colspan = 1;

		// Rowspan

		protected $_rowspan = 1;

		// B? ??nh d?ng hi?n th? c?t

		protected $_renderer = null;

		// Xác ??nh tr??ng d? li?u trong câu truy v?n b?t k?

		protected $_field = '';

		// Xác ??nh c?t có ph?i lŕ khóa chính hay không

		protected $_isPrimaryKey = false;

		// Xác ??nh có cho phép s?p x?p hay không

		protected $_sortable = true;

		// Xác ??nh có cho phép l?c hay không

		protected $_filterable = true;

		// B? filter

		protected $_filter = null;

		// ??i v?i d? li?u d?ng select, giá tr? c?a m?i option có th?

		// khác v?i nhăn c?a option ?ó

		protected $_valueMember = '';

		// Nhăn c?a option ???c l?y theo tr??ng nŕo

		protected $_displayMember = '';

		// ??i v?i m?t s? column ??c bi?t, value ch? lŕ d?ng id ???c tham chi?u

		

		function __construct($_data = array('id'=>'', 'class'=>'', 'tooltip'=>'', 'heading'=>'', 'renderer'=>null, 'data'=>null, 'field'=>'')) 

		{

			$this->__beforeInit();

			$this->__init($_data);

			$this->__afterInit();

		}

		

		// Kh?i t?o các tham s? c?n thi?t

		protected function __init($_data) 

		{

			if (!is_array($_data) || count($_data) == 0) 

			{

				return $this;	

			}

			if (isset($_data['id']))

			{

				$this->setId($_data['id']);	

			}

			if (isset($_data['class']))

			{

				$this->setClassName($_data['class']);	

			}

			if (isset($_data['tooltip']))

			{

				$this->setTooltip($_data['tooltip']);	

			}

			if (isset($_data['heading']))

			{

				$this->setHeading($_data['heading']);	

			}

			if (isset($_data['renderer']))

			{

				$this->setRenderer($_data['renderer']);	

			}

			if (isset($_data['data']))

			{

				$this->setData($_data['data']);	

			}

			if (isset($_data['field']))

			{

				$this->setField($_data['field']);	

			}

			if (isset($_data['colspan']))

			{

				$this->setColspan($_data['colspan']);	

			}

			if (isset($_data['rowspan']))

			{

				$this->setRowspan($_data['rowspan']);	

			}

			if (isset($_data['primarykey']))

			{

				$this->setPrimaryKey($_data['primarykey']);	

			}

			if (isset($_data['sortable']))

			{

				$this->allowSortable($_data['sortable']);	

			}

			if (isset($_data['filterable']))

			{

				$this->allowFilterable($_data['filterable']);	

			}

			return $this;

		}



		protected function __afterInit()

		{

			if ($this->_renderer === null) 

			{

				$this->_renderer = new Fx_Data_Column_Renderer('text', $this);

			}

			if ($this->_filterable === true) 

			{

				$this->_filter = new Fx_Data_Column_Filter('text', $this);

			}

			return $this;	

		}

		

		// Xác ??nh c?t có ph?i lŕ khóa chính hay không

		public function setPrimaryKey($yes = true)

		{

			$this->_isPrimaryKey = $yes;

			$gridView = & $this->getDataRow()->getDataGrid();

			foreach ($gridView->getRowCollection() as $row)

			{

				$column = & $row->getColumn($this->getId());

				$column->_isPrimaryKey = $yes;

			}

			return $this;

		}

		

		public function isPrimaryKey()

		{

			return (boolean)$this->_isPrimaryKey;	

		}

		

		// Có cho phép ???c s?p x?p hay không

		public function allowSortable($sortable = true)

		{

			$this->_sortable = (boolean)$sortable;	

			return $this;

		}

		

		// Xác ??nh c?t có ???c s?p x?p hay không

		public function isSortable()

		{

			return (boolean)$this->_sortable;	

		}

		

		// Có cho phép ???c l?c hay không

		public function allowFilterable($filterable = true)

		{

			$this->_filterable = (boolean)$filterable;

			if ($this->_filter !== null)

			{

				$this->_filter->setVisible($filterable);

			}

			return $this;

		}

		

		// Xác ??nh c?t có ???c l?c hay không

		public function isFilterable()

		{

			return (boolean)$this->_filterable;	

		}

		

		// L?y v? b? filter

		public function & getFilter()

		{

			$filter = & $this->_filter;

			if ($filter === null)

			{

				require_once APP_LIBRARY_PATH . 'doc/fx_data_column_filter.php';

				$filter = new Fx_Data_Column_Filter('text', $this);	

			}

			return $filter;

		}

		

				// Thi?t l?p value member

		function setValueMember($field)

		{

			if (!is_string($field) || empty($field))

			{

				return false;	

			}

			$this->_valueMember = $field;

			return $this;

		}

		

		// L?y v? value member

		function getValueMember()

		{

			return (string)$this->_valueMember;	

		}

		

		// Thi?t l?p tr??ng hi?n th?

		function setDisplayMember($field)

		{

			if (!is_string($field) || empty($field))

			{

				return false;	

			}

			$this->_displayMember = $field;

			return $this;

		}

		

		// L?y v? tr??ng hi?n th?

		function getDisplayMember()

		{

			return (string)$this->_displayMember;	

		}

		

		// Thi?t l?p b? filter

		public function setFilter(Fx_Data_Column_Filter $filter)

		{

			$this->_filter = & $filter;

			return $this;

		}

		

		// Thi?t l?p data row ch?a c?t

		public function setDataRow(Fx_Data_Row $row)

		{

			if ($row != null)

			{

				$this->_dataRow = & $row;

				$this->_model = & $this->_dataRow->getModel();

			}

			return $this;

		}

		

		// L?y v? data row c?a c?t ?ó

		public function & getDataRow()

		{

			$row = & $this->_dataRow;

			return $row;

		}

		

		// Thi?t l?p ID

		public function setId($_id = '')

		{

			if (is_string($_id) && !empty($_id)) 

			{

				$this->_id = $_id;	

			} else {

				$this->_id = $this->_field.'_'.sha1(time());	

			}

			return $this;

		}

		

		// Thi?t l?p Colspan

		public function setColspan($cols = 1)

		{

			if (is_int($cols) && $cols > 0) 

			{

				$this->_colspan = $cols;	

			}

			return $this;

		}

		

		// L?y v? Colspan

		public function getColspan()

		{

			return (int)$this->_colspan;

		}

		

		// Thi?t l?p Rowspan

		public function setRowspan($rows = 1)

		{

			if (is_int($rows) && $rows > 0) 

			{

				$this->_rowspan = $rows;	

			}

			return $this;

		}

		

		// L?y v? Rowspan

		public function getRowspan()

		{

			return (int)$this->_rowspan;

		}



		// Thi?t l?p renderer

		public function setRenderer(&$_renderer = null)

		{

			if ($_renderer != null) 

			{

				$_renderer->setColumn($this);

				$this->_renderer = & $_renderer;	

			}

			return $this;

		}

		

		// L?y v? ki?u render

		public function getRenderer($type = 'text')

		{

			if (null === $this->_renderer) {

				$this->setRenderer(new Fx_Data_Column_Renderer($type));	

			}

			return $this->_renderer;	

		}

		

		// Thi?t l?p render cho c? c?t

		public function setRenderType($type = 'text')

		{

			$this->_renderer->setType($type);

			$gridView = & $this->getDataRow()->getDataGrid();

			foreach ($gridView->getRowCollection() as $row)

			{

				$column = & $row->getColumn($this->getId());

				$column->_renderer->setType($type);

			}

			return $this;	

		}

		

		// Thi?t l?p c?t d? li?u

		public function setField($_field = '')

		{

			if (is_string($_field) && !empty($_field)) 

			{

				$this->_field = $_field;	

			}

			return $this;

		}

		

		// L?y v? tęn c?t d? li?u

		public function getField()

		{

			return (string)$this->_field;	

		}

		

		// Thay ??i d? li?u field hi?n th?i thŕnh d? li?u field

		// khác trong cůng model

		public function changeFieldData($field)

		{

			if ($this->_model === null || !$this->_model->isLoaded())	

			{

				throw new Exception('Cannot change field '.$this->_field . ' to field ' . $field);

			}

			$this->drawDataFromModel($this->_model, $field);

			return $this;

		}

		

		// Thi?t l?p s? hi?n th? c?a column

		public function setVisible($visible = true)

		{

			$this->_visible = $visible;

			$gridView = & $this->getDataRow()->getDataGrid();

			foreach ($gridView->getRowCollection() as $row)

			{

				$column = & $row->getColumn($this->getId());

				$column->_visible = $visible;

			}

			return $this;

		}

		

		// L?y v? n?i dung nh? m?t c?t c?a header

		public function getOutputHeader()

		{

			if ($this->isVisible()) {

				$gridView  = $this->getDataRow()->getDataGrid();

				$gridId    = $gridView->getId();

				$actionUrl = base_url() . $gridView->getSortUrl() . '/';

				if (empty($gridId) || empty($actionUrl))

				{

					throw new Exception('DataGridView Id Has Not Set Or Sort Action Url Has Not Set');	

				}

				$output = "<th id=\"colHeaderId_$this->_id\" class=\"columnHeader";

				if ($this->_sortable)

				{

					$output .= " sortable ";	

					$output .= $this->getClassName();	

					$output .= "\" onclick=\"sortBy('$gridId', this.id, '$actionUrl')\"";	

				}

				$output .= " title=\"$this->_tooltip\" alt=\"$this->_tooltip\" colspan=\"$this->_colspan\" rowspan=\"$this->_rowspan\" width=\"$this->_width\" height=\"$this->_height\" onmouseover=\"jQuery(this).toggleClass('hoverTitle');\" onmouseout=\"jQuery(this).toggleClass('hoverTitle');\">";

				$output .= "<div>\n";

				$output .= "<span>" . $this->getHeading() . "</span>\n";

				$output .= "</div>";

				$output .= "</th>";

				return $output;

			}

			return null;	

		}

		

		// L?y v? n?i dung html

		public function getOutputHtml()

		{

			if ($this->isVisible())

			{

				$output = "<td id=\"colId_$this->_id\" class=\"cellDataView\" title=\"$this->_tooltip\" alt=\"$this->_tooltip\" colspan=\"$this->_colspan\" rowspan=\"$this->_rowspan\" width=\"$this->_width\" height=\"$this->_height\"";

				if (!$this->_isPrimaryKey) {

					$url = $this->getDataRow()->getRowUrl();

					$output .= " onclick=\"loadAjaxPage('".$url."', null, 'wrapper')\"";	

				}

				$output .= ">";

				$output .= $this->_renderer->renderOutputData();

				$output .= '</td>';

				return $output;

			}

			return null;

		}

		

		// L?y d? li?u t? m?t model

		public function drawDataFromModel(st_model $_model, $_field, $_type = 'text')

		{

			$this->setHeading($_field);

			$this->setClassName($_field);

			$this->setTooltip($_field);

			$this->setField($_field);

			if ($this->_filter != null)

			{

				$this->_filter->setField($_field);

			}

			$this->_renderer->setType($_type);

			$this->setId($_field);

			$_method = 'get' . ucfirst($_field);

			$this->setData($_model->$_method());

			$this->setModel($_model);

			$this->getFilter()->setColumn($this);

			return $this;

		}

	}

	

?>