diff options
Diffstat (limited to 'framework')
| -rw-r--r-- | framework/Web/UI/WebControls/TRepeater.php | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/framework/Web/UI/WebControls/TRepeater.php b/framework/Web/UI/WebControls/TRepeater.php index 3d57fbd5..1acdc766 100644 --- a/framework/Web/UI/WebControls/TRepeater.php +++ b/framework/Web/UI/WebControls/TRepeater.php @@ -259,6 +259,35 @@ class TRepeater extends TDataBoundControl implements INamingContainer }
/**
+ * @return string the field of the data source that provides the keys of the list items.
+ */
+ public function getDataKeyField()
+ {
+ return $this->getViewState('DataKeyField','');
+ }
+
+ /**
+ * @param string the field of the data source that provides the keys of the list items.
+ */
+ public function setDataKeyField($value)
+ {
+ $this->setViewState('DataKeyField',$value,'');
+ }
+
+ /**
+ * @return TList the keys used in the data listing control.
+ */
+ public function getDataKeys()
+ {
+ if(($dataKeys=$this->getViewState('DataKeys',null))===null)
+ {
+ $dataKeys=new TList;
+ $this->setViewState('DataKeys',$dataKeys,null);
+ }
+ return $dataKeys;
+ }
+
+ /**
* Creates a repeater item instance based on the item type and index.
* @param integer zero-based item index
* @param string item type, may be 'Header', 'Footer', 'Empty', 'Item', 'Separator', 'AlternatingItem'.
@@ -405,11 +434,18 @@ class TRepeater extends TDataBoundControl implements INamingContainer protected function performDataBinding($data)
{
$this->reset();
+
+ $keys=$this->getDataKeys();
+ $keys->clear();
+ $keyField=$this->getDataKeyField();
+
$items=$this->getItems();
$itemIndex=0;
$hasSeparator=$this->_separatorTemplate!==null;
foreach($data as $dataItem)
{
+ if($keyField!=='')
+ $keys->add($this->getDataFieldValue($dataItem,$keyField));
if($itemIndex===0 && $this->_headerTemplate!==null)
$this->_header=$this->createItemInternal(-1,self::IT_HEADER,true,null);
if($hasSeparator && $itemIndex>0)
@@ -493,6 +529,22 @@ class TRepeater extends TDataBoundControl implements INamingContainer {
$this->raiseEvent('OnItemCommand',$this,$param);
}
+
+ /**
+ * Returns the value of the data at the specified field.
+ * If data is an array, TMap or TList, the value will be returned at the index
+ * of the specified field. If the data is a component with a property named
+ * as the field name, the property value will be returned.
+ * Otherwise, an exception will be raised.
+ * @param mixed data item
+ * @param mixed field name
+ * @return mixed data value at the specified field
+ * @throws TInvalidDataValueException if the data is invalid
+ */
+ protected function getDataFieldValue($data,$field)
+ {
+ return TDataFieldAccessor::getDataFieldValue($data,$field);
+ }
}
/**
|