From 6f7fdef0f500cd4bb540affd3bc1482243f337c1 Mon Sep 17 00:00:00 2001 From: emkael Date: Wed, 24 Feb 2016 23:18:07 +0100 Subject: * Prado 3.3.0 --- .../Web/UI/WebControls/TCheckBoxColumn.php | 121 +++++++++++++++++++++ 1 file changed, 121 insertions(+) create mode 100644 lib/prado/framework/Web/UI/WebControls/TCheckBoxColumn.php (limited to 'lib/prado/framework/Web/UI/WebControls/TCheckBoxColumn.php') diff --git a/lib/prado/framework/Web/UI/WebControls/TCheckBoxColumn.php b/lib/prado/framework/Web/UI/WebControls/TCheckBoxColumn.php new file mode 100644 index 0000000..5cf0265 --- /dev/null +++ b/lib/prado/framework/Web/UI/WebControls/TCheckBoxColumn.php @@ -0,0 +1,121 @@ + + * @link https://github.com/pradosoft/prado + * @copyright Copyright © 2005-2015 The PRADO Group + * @license https://github.com/pradosoft/prado/blob/master/COPYRIGHT + * @package System.Web.UI.WebControls + */ + +/** + * TDataGridColumn class file + */ +Prado::using('System.Web.UI.WebControls.TDataGridColumn'); +/** + * TCheckBox class file + */ +Prado::using('System.Web.UI.WebControls.TCheckBox'); + +/** + * TCheckBoxColumn class + * + * TCheckBoxColumn represents a checkbox column that is bound to a field in a data source. + * The checked state of the checkboxes are determiend by the bound data at + * {@link setDataField DataField}. If {@link setReadOnly ReadOnly} is false, + * TCheckBoxColumn will display an enabled checkbox provided the cells are + * in edit mode. Otherwise, the checkboxes will be disabled to prevent from editting. + * + * The checkbox control in the TCheckBoxColumn can be accessed by one of + * the following two methods: + * + * $datagridItem->CheckBoxColumnID->CheckBox + * $datagridItem->CheckBoxColumnID->Controls[0] + * + * The second method is possible because the checkbox control created within the + * datagrid cell is the first child. + * + * @author Qiang Xue + * @package System.Web.UI.WebControls + * @since 3.0 + */ +class TCheckBoxColumn extends TDataGridColumn +{ + /** + * @return string the field name from the data source to bind to the column + */ + public function getDataField() + { + return $this->getViewState('DataField',''); + } + + /** + * @param string the field name from the data source to bind to the column + */ + public function setDataField($value) + { + $this->setViewState('DataField',$value,''); + } + + /** + * @return boolean whether the items in the column can be edited. Defaults to false. + */ + public function getReadOnly() + { + return $this->getViewState('ReadOnly',false); + } + + /** + * @param boolean whether the items in the column can be edited + */ + public function setReadOnly($value) + { + $this->setViewState('ReadOnly',TPropertyValue::ensureBoolean($value),false); + } + + /** + * Initializes the specified cell to its initial values. + * This method overrides the parent implementation. + * It creates a checkbox inside the cell. + * If the column is read-only or if the item is not in edit mode, + * the checkbox will be set disabled. + * @param TTableCell the cell to be initialized. + * @param integer the index to the Columns property that the cell resides in. + * @param string the type of cell (Header,Footer,Item,AlternatingItem,EditItem,SelectedItem) + */ + public function initializeCell($cell,$columnIndex,$itemType) + { + if($itemType===TListItemType::Item || $itemType===TListItemType::AlternatingItem || $itemType===TListItemType::SelectedItem || $itemType===TListItemType::EditItem) + { + $checkBox=new TCheckBox; + if($this->getReadOnly() || $itemType!==TListItemType::EditItem) + $checkBox->setEnabled(false); + $cell->setHorizontalAlign('Center'); + $cell->getControls()->add($checkBox); + $cell->registerObject('CheckBox',$checkBox); + if($this->getDataField()!=='') + $checkBox->attachEventHandler('OnDataBinding',array($this,'dataBindColumn')); + } + else + parent::initializeCell($cell,$columnIndex,$itemType); + } + + /** + * Databinds a cell in the column. + * This method is invoked when datagrid performs databinding. + * It populates the content of the cell with the relevant data from data source. + */ + public function dataBindColumn($sender,$param) + { + $item=$sender->getNamingContainer(); + $data=$item->getData(); + if(($field=$this->getDataField())!=='') + $value=TPropertyValue::ensureBoolean($this->getDataFieldValue($data,$field)); + else + $value=TPropertyValue::ensureBoolean($data); + if($sender instanceof TCheckBox) + $sender->setChecked($value); + } +} + -- cgit v1.2.3