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228 lines
7.9 KiB
228 lines
7.9 KiB
<?php
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class QCollapsablePanel extends QPanel
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{
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protected $pnlHeader;
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protected $pnlBody;
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protected $btnToggle;
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protected $blnExpanded;
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/**
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* NOTE: When set to false this uses client side javascript to hide the body NOT a server action.
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* TODO: support server actions (ie, no javascript). Also, use native qcodo javascript lib for the
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* client side action.
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*@var boolean - use ajax call or client javascript
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*/
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protected $blnUseAjax = true;
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/**
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*@var string - the base directory in which to find images
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*/
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protected $strImagesPath;
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/**
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*@var string - the filename for the toggle button image with body expanded
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*/
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protected $strExpandedImageUri;
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/**
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*@var string - the filename for the toggle button image with body collapsed
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*/
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protected $strCollapsedImageUri;
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public function __construct($objParentObject,
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$strControlId = null,
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$blnExpanded = false,
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$blnUseAjax = true,
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$strExpandedImageUri = '/treenav_expanded.png',
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$strCollapsedImageUri = '/treenav_collapsed.png',
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$strImagesPath= null
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)
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{
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try {
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parent::__construct($objParentObject, $strControlId);
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} catch (QCallerException $objExc) {
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$objExc->IncrementOffset();
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throw $objExc;
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}
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$this->blnExpanded = $blnExpanded;
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$this->blnUseAjax = $blnUseAjax;
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if(!$strImagesPath)
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$this->strImagesPath = __QUASI_CONTRIB_IMAGES__;
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else
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$this->strImagesPath = $strImagesPath;
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$this->strExpandedImageUri = $this->strImagesPath . $strExpandedImageUri;
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$this->strCollapsedImageUri = $this->strImagesPath . $strCollapsedImageUri;
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$this->AutoRenderChildren = true;
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$this->pnlHeader = new QPanel($this);
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$this->pnlHeader->CssClass = 'CollapsableHeader';
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$this->pnlBody = new QPanel($this);
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$this->pnlBody->CssClass = 'CollapsableBody';
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$this->btnToggle = new QImageButton($this->pnlHeader);
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$this->pnlHeader->AutoRenderChildren = true;
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$this->pnlBody->AutoRenderChildren = true;
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$this->setButtonAction();
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//fake a click to set the initial state - interesting breakage happens if you use this
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// $this->btnToggle_Click(null,null,null);
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}
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protected function setButtonAction()
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{
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$this->btnToggle->RemoveAllActions(QClickEvent::EventName);
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if ($this->blnUseAjax)
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{
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$this->btnToggle->AddAction(new QClickEvent(), new QAjaxControlAction($this, "btnToggle_Click"));
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///fixme - why doesn't this work??
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// $this->pnlHeader->AddAction(new QClickEvent(), new QAjaxControlAction($this, "btnToggle_Click"));
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}
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else
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{
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$onclick = "el=document.getElementById('".$this->pnlBody->ControlId."'); imgEl=document.getElementById('".$this->btnToggle->ControlId."'); if (el.style.display=='block') {el.style.display='none'; imgEl.src = '".$this->strCollapsedImageUri."';} else {el.style.display='block'; imgEl.src = '".$this->strExpandedImageUri."';}";
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$this->btnToggle->AddAction(new QClickEvent(), new QJavaScriptAction($onclick));
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}
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}
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public function btnToggle_Click($strFormId, $strControlId, $strParameter)
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{
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if ($this->blnExpanded)
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$this->CollapseBody();
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else
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$this->ExpandBody();
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}
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public function ExpandBody()
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{
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if ($this->blnUseAjax)
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$this->pnlBody->Visible = true;
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else
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$this->pnlBody->DisplayStyle = QDisplayStyle::Block;
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if ($this->btnToggle instanceof QImageButton)
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$this->btnToggle->ImageUrl = $this->strExpandedImageUri;
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$this->blnExpanded = true;
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$this->MarkAsModified();
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}
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public function CollapseBody()
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{
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if ($this->blnUseAjax)
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$this->pnlBody->Visible = false;
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else
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$this->pnlBody->DisplayStyle = QDisplayStyle::None;
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$this->btnToggle->ImageUrl = $this->strCollapsedImageUri;
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$this->blnExpanded = false;
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$this->MarkAsModified();
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}
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/////////////////////////
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// Public Properties: GET
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/////////////////////////
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public function __get($strName)
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{
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switch ($strName)
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{
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case "Header":
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return $this->pnlHeader;
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case "Body":
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return $this->pnlBody;
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case "Button":
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return $this->btnToggle;
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case "Expanded":
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return $this->blnExpanded;
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case "UseAjax":
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return $this->blnUseAjax;
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case "ImagesPath":
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return $this->strImagesPath;
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case "ExpandedImageUri":
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return $this->strExpandedImageUri;
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case "CollapsedImageUri":
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return $this->strCollapsedImageUri;
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default:
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try {
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return parent::__get($strName);
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} catch (QCallerException $objExc) {
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$objExc->IncrementOffset();
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throw $objExc;
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}
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}
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}
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/////////////////////////
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// Public Properties: SET
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/////////////////////////
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public function __set($strName, $mixValue)
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{
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$this->blnModified = true;
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switch ($strName)
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{
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case "Expanded":
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try {
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$this->blnExpanded = QType::Cast($mixValue, QType::Boolean);
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} catch (QInvalidCastException $objExc) {
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$objExc->IncrementOffset();
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throw $objExc;
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}
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if ($this->blnExpanded)
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$this->ExpandBody();
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else
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$this->CollapseBody();
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break;
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case "UseAjax":
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try {
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$this->blnUseAjax = QType::Cast($mixValue, QType::Boolean);
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} catch (QInvalidCastException $objExc) {
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$objExc->IncrementOffset();
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throw $objExc;
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}
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$this->setButtonAction();
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break;
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case "ExpandedImageUri":
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try {
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$tmp = QType::Cast($mixValue, QType::String);
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} catch (QInvalidCastException $objExc) {
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$objExc->IncrementOffset();
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throw $objExc;
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}
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if( '/' != $tmp[0] )
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$tmp = '/' . $tmp;
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$this->strExpandedImageUri = $this->strImagesPath . $tmp;
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break;
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case "CollapsedImageUri":
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try {
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$tmp = QType::Cast($mixValue, QType::String);
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} catch (QInvalidCastException $objExc) {
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$objExc->IncrementOffset();
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throw $objExc;
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}
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if( '/' != $tmp[0] )
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$tmp = '/' . $tmp;
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$this->strCollapsedImageUri = $this->strImagesPath . $tmp;
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break;
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case "ImagesPath":
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try {
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return ($this->strImagesPath = QType::Cast($mixValue, QType::String));
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} catch (QInvalidCastException $objExc) {
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$objExc->IncrementOffset();
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throw $objExc;
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}
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default:
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try {
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parent::__set($strName, $mixValue);
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} catch (QCallerException $objExc) {
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$objExc->IncrementOffset();
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throw $objExc;
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}
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}
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}
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}
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?>
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