Yii Framework v1.1.10 Class Reference

CLinkColumn

Package zii.widgets.grid
Inheritance class CLinkColumn » CGridColumn » CComponent
Since 1.1
Version $Id: CLinkColumn.php 3424 2011-10-24 20:13:19Z mdomba $
Source Code framework/zii/widgets/grid/CLinkColumn.php
CLinkColumn represents a grid view column that renders a hyperlink in each of its data cells.

The label and url properties determine how each hyperlink will be rendered. The labelExpression, urlExpression properties may be used instead if they are available. In addition, if imageUrl is set, an image link will be rendered.

Public Properties

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PropertyTypeDescriptionDefined By
cssClassExpression string a PHP expression that is evaluated for every data cell and whose result is used as the CSS class name for the data cell. CGridColumn
footerHtmlOptions array the HTML options for the footer cell tag. CLinkColumn
grid CGridView the grid view object that owns this column. CGridColumn
hasFooter boolean whether this column has a footer cell. CGridColumn
headerHtmlOptions array the HTML options for the header cell tag. CLinkColumn
htmlOptions array the HTML options for the data cell tags. CLinkColumn
id string the ID of this column. CGridColumn
imageUrl string the URL to the image. CLinkColumn
label string the label to the hyperlinks in the data cells. CLinkColumn
labelExpression string a PHP expression that will be evaluated for every data cell and whose result will be rendered as the label of the hyperlink of the data cells. CLinkColumn
linkHtmlOptions array the HTML options for the hyperlinks CLinkColumn
url string the URL of the hyperlinks in the data cells. CLinkColumn
urlExpression string a PHP expression that will be evaluated for every data cell and whose result will be rendered as the URL of the hyperlink of the data cells. CLinkColumn
visible boolean whether this column is visible. CGridColumn

Public Methods

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MethodDescriptionDefined By
__call() Calls the named method which is not a class method. CComponent
__construct() Constructor. CGridColumn
__get() Returns a property value, an event handler list or a behavior based on its name. CComponent
__isset() Checks if a property value is null. CComponent
__set() Sets value of a component property. CComponent
__unset() Sets a component property to be null. CComponent
asa() Returns the named behavior object. CComponent
attachBehavior() Attaches a behavior to this component. CComponent
attachBehaviors() Attaches a list of behaviors to the component. CComponent
attachEventHandler() Attaches an event handler to an event. CComponent
canGetProperty() Determines whether a property can be read. CComponent
canSetProperty() Determines whether a property can be set. CComponent
detachBehavior() Detaches a behavior from the component. CComponent
detachBehaviors() Detaches all behaviors from the component. CComponent
detachEventHandler() Detaches an existing event handler. CComponent
disableBehavior() Disables an attached behavior. CComponent
disableBehaviors() Disables all behaviors attached to this component. CComponent
enableBehavior() Enables an attached behavior. CComponent
enableBehaviors() Enables all behaviors attached to this component. CComponent
evaluateExpression() Evaluates a PHP expression or callback under the context of this component. CComponent
getEventHandlers() Returns the list of attached event handlers for an event. CComponent
getHasFooter() Returns whether this column has a footer cell. This is determined based on whether footer is set. CGridColumn
hasEvent() Determines whether an event is defined. CComponent
hasEventHandler() Checks whether the named event has attached handlers. CComponent
hasProperty() Determines whether a property is defined. CComponent
init() Initializes the column. CGridColumn
raiseEvent() Raises an event. CComponent
renderDataCell() Renders a data cell. CGridColumn
renderFilterCell() Renders the filter cell. CGridColumn
renderFooterCell() Renders the footer cell. CGridColumn
renderHeaderCell() Renders the header cell. CGridColumn

Protected Methods

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MethodDescriptionDefined By
renderDataCellContent() Renders the data cell content. CLinkColumn
renderFilterCellContent() Renders the filter cell content. CGridColumn
renderFooterCellContent() Renders the footer cell content. CGridColumn
renderHeaderCellContent() Renders the header cell content. CGridColumn

Property Details

footerHtmlOptions property
public array $footerHtmlOptions;

the HTML options for the footer cell tag.

headerHtmlOptions property
public array $headerHtmlOptions;

the HTML options for the header cell tag.

htmlOptions property
public array $htmlOptions;

the HTML options for the data cell tags.

imageUrl property
public string $imageUrl;

the URL to the image. If this is set, an image link will be rendered.

label property
public string $label;

the label to the hyperlinks in the data cells. Note that the label will not be HTML-encoded when rendering. This property is ignored if labelExpression is set.

See Also

labelExpression property
public string $labelExpression;

a PHP expression that will be evaluated for every data cell and whose result will be rendered as the label of the hyperlink of the data cells. In this expression, the variable $row the row number (zero-based); $data the data model for the row; and $this the column object.

linkHtmlOptions property
public array $linkHtmlOptions;

the HTML options for the hyperlinks

url property
public string $url;

the URL of the hyperlinks in the data cells. This property is ignored if urlExpression is set.

See Also

urlExpression property
public string $urlExpression;

a PHP expression that will be evaluated for every data cell and whose result will be rendered as the URL of the hyperlink of the data cells. In this expression, the variable $row the row number (zero-based); $data the data model for the row; and $this the column object.

Method Details

renderDataCellContent() method
protected void renderDataCellContent(integer $row, mixed $data)
$row integer the row number (zero-based)
$data mixed the data associated with the row
Source Code: framework/zii/widgets/grid/CLinkColumn.php#80 (show)
protected function renderDataCellContent($row,$data)
{
    if(
$this->urlExpression!==null)
        
$url=$this->evaluateExpression($this->urlExpression,array('data'=>$data,'row'=>$row));
    else
        
$url=$this->url;
    if(
$this->labelExpression!==null)
        
$label=$this->evaluateExpression($this->labelExpression,array('data'=>$data,'row'=>$row));
    else
        
$label=$this->label;
    
$options=$this->linkHtmlOptions;
    if(
is_string($this->imageUrl))
        echo 
CHtml::link(CHtml::image($this->imageUrl,$label),$url,$options);
    else
        echo 
CHtml::link($label,$url,$options);
}

Renders the data cell content. This method renders a hyperlink in the data cell.

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