'.$this->Context->GetDefinition('ErrorTitle').'
'
.$this->Context->WarningCollector->GetMessages()
.'
'
.$this->CallDelegate('PostWarningsReturn');
} else {
return '';
}
}
}
/**
* An implementation of the Control class for postback controls
* @package Framework
*/
class PostBackControl extends Control {
// Public
var $IsPostBack; // Has the form been posted back?
// Private
var $ValidActions; // An array of acceptable postback instructions
var $PostBackValidated; // Boolean value indicating if the postback data was validated successfully. This property is used when deciding which Render method to use.
var $PostBackParams; // A parameters collection used to hold postback parameters
var $SessionPostBackKey;
var $FormPostBackKey;
// This "constructor" will not actually fire when the class is
// instantiated unless the extended class calls this method
// from within it's own constructor
function Constructor(&$Context) {
$this->Control($Context);
$this->Delegates = array();
$this->FormPostBackKey = ForceIncomingString('FormPostBackKey', '');
// Get delegates from the context object that were added before this object was instantiated
if (array_key_exists($this->Name, $this->Context->DelegateCollection)) {
$this->Delegates = array_merge($this->Delegates, $this->Context->DelegateCollection[$this->Name]);
}
// Define the postback action
$this->PostBackAction = ForceIncomingString('PostBackAction', '');
$this->PostBackValidated = 0;
$this->PostBackParams = $this->Context->ObjectFactory->NewObject($this->Context, 'Parameters');
if ($this->Context->Session->UserID > 0) {
$this->SessionPostBackKey = $this->Context->Session->GetCsrfValidationKey();
$this->PostBackParams->Set('FormPostBackKey', $this->SessionPostBackKey, 1, '', 1);
}
// Set the IsPostBack property (If the postback action is in this control's set of valid actions, then it has been posted back).
$this->IsPostBack = is_array($this->ValidActions) && in_array($this->PostBackAction, $this->ValidActions);
}
function Render() {
if ($this->IsPostBack) {
$this->CallDelegate('PreRender');
// Call different render methods based on the PostBack state.
if ($this->PostBackValidated && $this->IsValidFormPostBack()) {
$this->Render_ValidPostBack();
} else {
$this->Render_NoPostBack();
}
$this->CallDelegate('PostRender');
}
}
function Render_NoPostBack() {}
function Render_ValidPostBack() {}
function Render_PostBackForm($FormID = '', $PostBackMethod = 'post', $TargetUrl = '', $EncType = '', $TargetFrame = '') {
echo($this->Get_PostBackForm($FormID, $PostBackMethod, $TargetUrl, $EncType));
}
function Get_PostBackForm($FormID = '', $PostBackMethod = 'post', $TargetUrl = '', $EncType = '', $TargetFrame = '') {
$TargetUrl = ForceString($TargetUrl, $this->Context->SelfUrl);
if ($FormID != '') $FormID = ' id="'.$FormID.'"';
return '