Added new (clean) yii boilerplate
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248
framework/zii/widgets/grid/CCheckBoxColumn.php
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248
framework/zii/widgets/grid/CCheckBoxColumn.php
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<?php
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/**
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* CCheckBoxColumn class file.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @link http://www.yiiframework.com/
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* @copyright 2008-2013 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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Yii::import('zii.widgets.grid.CGridColumn');
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/**
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* CCheckBoxColumn represents a grid view column of checkboxes.
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*
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* CCheckBoxColumn supports no checking (read-only), single check and multiple checking.
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* The mode is determined according to {@link selectableRows}. When in multiple checking mode, the header cell will display
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* an additional checkbox, clicking on which will check or uncheck all of the checkboxes in the data cells.
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* The header cell can be customized by {@link headerTemplate}.
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*
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* Additionally selecting a checkbox can select a grid view row (depending on {@link CGridView::selectableRows} value) if
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* {@link selectableRows} is null (default).
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*
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* By default, the checkboxes rendered in data cells will have the values that are the same as
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* the key values of the data model. One may change this by setting either {@link name} or
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* {@link value}.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @package zii.widgets.grid
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* @since 1.1
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*/
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class CCheckBoxColumn extends CGridColumn
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{
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/**
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* @var string the attribute name of the data model. The corresponding attribute value will be rendered
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* in each data cell as the checkbox value. Note that if {@link value} is specified, this property will be ignored.
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* @see value
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*/
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public $name;
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/**
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* @var string a PHP expression that will be evaluated for every data cell and whose result will be rendered
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* in each data cell as the checkbox value. In this expression, you can use the following variables:
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* <ul>
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* <li><code>$row</code> the row number (zero-based)</li>
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* <li><code>$data</code> the data model for the row</li>
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* <li><code>$this</code> the column object</li>
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* </ul>
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* The PHP expression will be evaluated using {@link evaluateExpression}.
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*
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* A PHP expression can be any PHP code that has a value. To learn more about what an expression is,
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* please refer to the {@link http://www.php.net/manual/en/language.expressions.php php manual}.
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*/
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public $value;
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/**
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* @var string a PHP expression that will be evaluated for every data cell and whose result will
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* determine if checkbox for each data cell is checked. In this expression, you can use the following variables:
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* <ul>
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* <li><code>$row</code> the row number (zero-based)</li>
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* <li><code>$data</code> the data model for the row</li>
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* <li><code>$this</code> the column object</li>
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* </ul>
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* The PHP expression will be evaluated using {@link evaluateExpression}.
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*
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* A PHP expression can be any PHP code that has a value. To learn more about what an expression is,
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* please refer to the {@link http://www.php.net/manual/en/language.expressions.php php manual}.
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* @since 1.1.4
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*/
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public $checked;
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/**
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* @var string a PHP expression that will be evaluated for every data cell and whose result will
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* determine if checkbox for each data cell is disabled. In this expression, you can use the following variables:
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* <ul>
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* <li><code>$row</code> the row number (zero-based)</li>
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* <li><code>$data</code> the data model for the row</li>
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* <li><code>$this</code> the column object</li>
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* </ul>
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* The PHP expression will be evaluated using {@link evaluateExpression}.
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*
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* A PHP expression can be any PHP code that has a value. To learn more about what an expression is,
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* please refer to the {@link http://www.php.net/manual/en/language.expressions.php php manual}.
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*
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* Note that expression result will overwrite value set with <code>checkBoxHtmlOptions['disabled']</code>.
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* @since 1.1.13
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*/
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public $disabled;
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/**
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* @var array the HTML options for the data cell tags.
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*/
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public $htmlOptions=array('class'=>'checkbox-column');
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/**
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* @var array the HTML options for the header cell tag.
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*/
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public $headerHtmlOptions=array('class'=>'checkbox-column');
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/**
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* @var array the HTML options for the footer cell tag.
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*/
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public $footerHtmlOptions=array('class'=>'checkbox-column');
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/**
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* @var array the HTML options for the checkboxes.
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*/
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public $checkBoxHtmlOptions=array();
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/**
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* @var integer the number of rows that can be checked.
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* Possible values:
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* <ul>
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* <li>0 - the state of the checkbox cannot be changed (read-only mode)</li>
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* <li>1 - only one row can be checked. Checking a checkbox has nothing to do with selecting the row</li>
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* <li>2 or more - multiple checkboxes can be checked. Checking a checkbox has nothing to do with selecting the row</li>
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* <li>null - {@link CGridView::selectableRows} is used to control how many checkboxes can be checked.
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* Checking a checkbox will also select the row.</li>
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* </ul>
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* You may also call the JavaScript function <code>$(gridID).yiiGridView('getChecked', columnID)</code>
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* to retrieve the key values of the checked rows.
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* @since 1.1.6
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*/
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public $selectableRows=null;
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/**
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* @var string the template to be used to control the layout of the header cell.
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* The token "{item}" is recognized and it will be replaced with a "check all" checkbox.
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* By default if in multiple checking mode, the header cell will display an additional checkbox,
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* clicking on which will check or uncheck all of the checkboxes in the data cells.
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* See {@link selectableRows} for more details.
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* @since 1.1.11
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*/
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public $headerTemplate='{item}';
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/**
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* Initializes the column.
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* This method registers necessary client script for the checkbox column.
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*/
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public function init()
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{
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if(isset($this->checkBoxHtmlOptions['name']))
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$name=$this->checkBoxHtmlOptions['name'];
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else
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{
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$name=$this->id;
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if(substr($name,-2)!=='[]')
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$name.='[]';
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$this->checkBoxHtmlOptions['name']=$name;
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}
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$name=strtr($name,array('['=>"\\[",']'=>"\\]"));
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if($this->selectableRows===null)
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{
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if(isset($this->checkBoxHtmlOptions['class']))
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$this->checkBoxHtmlOptions['class'].=' select-on-check';
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else
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$this->checkBoxHtmlOptions['class']='select-on-check';
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return;
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}
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$cball=$cbcode='';
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if($this->selectableRows==0)
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{
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//.. read only
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$cbcode="return false;";
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}
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elseif($this->selectableRows==1)
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{
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//.. only one can be checked, uncheck all other
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$cbcode="jQuery(\"input:not(#\"+this.id+\")[name='$name']\").prop('checked',false);";
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}
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elseif(strpos($this->headerTemplate,'{item}')!==false)
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{
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//.. process check/uncheck all
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$cball=<<<CBALL
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jQuery(document).on('click','#{$this->id}_all',function() {
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var checked=this.checked;
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jQuery("input[name='$name']:enabled").each(function() {this.checked=checked;});
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});
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CBALL;
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$cbcode="jQuery('#{$this->id}_all').prop('checked', jQuery(\"input[name='$name']\").length==jQuery(\"input[name='$name']:checked\").length);";
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}
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if($cbcode!=='')
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{
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$js=$cball;
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$js.=<<<EOD
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jQuery(document).on('click', "input[name='$name']", function() {
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$cbcode
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});
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EOD;
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Yii::app()->getClientScript()->registerScript(__CLASS__.'#'.$this->id,$js);
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}
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}
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/**
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* Renders the header cell content.
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* This method will render a checkbox in the header when {@link selectableRows} is greater than 1
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* or in case {@link selectableRows} is null when {@link CGridView::selectableRows} is greater than 1.
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*/
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protected function renderHeaderCellContent()
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{
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if(trim($this->headerTemplate)==='')
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{
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echo $this->grid->blankDisplay;
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return;
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}
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$item = '';
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if($this->selectableRows===null && $this->grid->selectableRows>1)
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$item = CHtml::checkBox($this->id.'_all',false,array('class'=>'select-on-check-all'));
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elseif($this->selectableRows>1)
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$item = CHtml::checkBox($this->id.'_all',false);
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else
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{
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ob_start();
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parent::renderHeaderCellContent();
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$item = ob_get_clean();
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}
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echo strtr($this->headerTemplate,array(
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'{item}'=>$item,
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));
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}
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/**
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* Renders the data cell content.
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* This method renders a checkbox in the data cell.
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* @param integer $row the row number (zero-based)
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* @param mixed $data the data associated with the row
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*/
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protected function renderDataCellContent($row,$data)
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{
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if($this->value!==null)
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$value=$this->evaluateExpression($this->value,array('data'=>$data,'row'=>$row));
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elseif($this->name!==null)
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$value=CHtml::value($data,$this->name);
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else
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$value=$this->grid->dataProvider->keys[$row];
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$checked = false;
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if($this->checked!==null)
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$checked=$this->evaluateExpression($this->checked,array('data'=>$data,'row'=>$row));
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$options=$this->checkBoxHtmlOptions;
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if($this->disabled!==null)
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$options['disabled']=$this->evaluateExpression($this->disabled,array('data'=>$data,'row'=>$row));
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$name=$options['name'];
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unset($options['name']);
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$options['value']=$value;
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$options['id']=$this->id.'_'.$row;
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echo CHtml::checkBox($name,$checked,$options);
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}
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}
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