1: <?php
  2:     require_once('../qcubed.inc.php');
  3: 
  4:     class Order {
  5:         public $Id;
  6:         public $Items;
  7:     }
  8:     
  9:     class ExampleForm extends QForm {
 10:         // Declare the DataGrid
 11:         protected $dtgOrders;
 12:         public $objOrdersArray = array();
 13: 
 14:         protected $intOrderCnt = 0;
 15: 
 16:         protected $btnServerAction;
 17:         protected $btnRestartOnServerAction;
 18: 
 19:         protected $ctlTimer;
 20: 
 21:         protected $btnStart;
 22:         protected $btnStop;
 23: 
 24:         protected $objRandomProductsArray = array();
 25: 
 26:         protected function Form_Create() {
 27: 
 28:             $this->objRandomProductsArray[0] = '1x Sandwich, 2x Coke, 1x Big Pekahuna Burger';
 29:             $this->objRandomProductsArray[1] = '2x French fries, 3x Burritos, 1x Hot Dog';
 30:             $this->objRandomProductsArray[2] = '1x Steak - Lone Star, 5x Wiener Schnitzel';
 31:             $this->objRandomProductsArray[3] = '3x Socks, 3x Shorts';
 32: 
 33:             // Define the DataGrid
 34:             $this->dtgOrders = new QDataGrid($this);
 35:             $this->dtgOrders->UseAjax = true;
 36: 
 37:             //button to simulate a server action
 38:             $this->btnServerAction = new QButton($this);
 39:             $this->btnServerAction->SetCustomStyle('float','right');
 40: 
 41:             //button for switching the 'RestartOnServer' capability of QJsTimer on/off
 42:             $this->btnRestartOnServerAction = new QButton($this);
 43:             $this->btnStop = new QButton($this);
 44:             $this->btnStart = new QButton($this);
 45: 
 46:             //create the timer: parent = $this, $time = 3000ms, periodic = true, autostart=true
 47:             $this->ctlTimer = new QJsTimer($this,3000,true,true);
 48: 
 49: 
 50:             $this->dtgOrders->CreatePropertyColumn('Order-Id', 'Id');
 51:             $this->dtgOrders->CreatePropertyColumn('Products', 'Items');
 52:             $col = $this->dtgOrders->CreateCallableColumn('Remove', [$this, 'renderRemoveButton']);
 53:             $col->HtmlEntities = false;
 54:             $this->dtgOrders->SetDataBinder('dtgOrders_Bind');
 55: 
 56:             $this->btnServerAction->AddAction(new QClickEvent(),new QServerAction('OnServerAction'));
 57:             $this->btnServerAction->Text = "Server Action";
 58: 
 59:             $this->btnRestartOnServerAction->AddAction(new QClickEvent(),new QAjaxAction('OnToggleRestartOnServerAction'));
 60:             $this->btnRestartOnServerAction->Text = "Restart On Server Action [off]";
 61: 
 62: 
 63:             $this->ctlTimer->AddAction(new QTimerExpiredEvent(), new QAjaxAction('OnUpdateDtg'));
 64: 
 65:             $this->btnStart->AddAction(new QClickEvent(),new QAjaxControlAction($this->ctlTimer,'Start'));
 66:             $this->btnStop->AddAction(new QClickEvent(),new QAjaxControlAction($this->ctlTimer,'Stop'));
 67:             $this->btnStart->Text = 'Start';
 68:             $this->btnStop->Text = 'Stop';
 69: 
 70:         }
 71: 
 72:         //the timer callback function for updating the orders
 73:         public function OnUpdateDtg() {
 74:             //fetch new orders
 75:             $randProdNum = rand(0,3);
 76:             $this->intOrderCnt++;
 77:             // Limit the amount of items in a table to 10
 78:             // There is no paging for this datagrid, 
 79:             // so many items here can consume CPU greatly
 80:             if ($this->intOrderCnt > 10) {
 81:                 $this->intOrderCnt = 1;
 82:                 $this->objOrdersArray = array();
 83:             }
 84:             $order = new Order();
 85:             $order->Id = $this->intOrderCnt;
 86:             $order->Items = $this->objRandomProductsArray[$randProdNum];
 87:             $this->objOrdersArray[$this->intOrderCnt] = $order;
 88:             $this->dtgOrders->MarkAsModified();
 89:         }
 90: 
 91:         public function OnToggleRestartOnServerAction() {
 92:             $blnRestart = $this->ctlTimer->RestartOnServerAction;
 93:             if($blnRestart)
 94:                 $this->btnRestartOnServerAction->Text = "Restart On Server Action [off]";
 95:             else
 96:                 $this->btnRestartOnServerAction->Text = "Restart On Server Action [on]";
 97:             
 98:             $this->ctlTimer->RestartOnServerAction = !$blnRestart;
 99:         }
100: 
101:         public function OnServerAction() {
102:             //ServerAction test
103:         }
104:             
105:         public function renderRemoveButton($item) {
106:             $objControlId = "removeButton" . $item->Id;
107:             $objControl = $this->GetControl($objControlId);
108:             if (!$objControl) {
109:                 $objControl = new QJqButton($this->dtgOrders, $objControlId);
110:                 $objControl->Text = true;
111:                 $objControl->ActionParameter = $item->Id;
112:                 $objControl->AddAction(new QClickEvent(), new QAjaxAction("removeButton_Click"));
113:             }
114:                         
115:             $objControl->Label = "Remove";
116: 
117:             // We pass the parameter of "false" to make sure the control doesn't render
118:             // itself RIGHT HERE - that it instead returns its string rendering result.
119:             return $objControl->Render(false);
120:         }
121:         
122:         
123:         public function removeButton_Click($strFormId, $strControlId, $strParameter) {
124:             unset($this->objOrdersArray[$strParameter]);
125:             $this->dtgOrders->MarkAsModified();
126:         }
127: 
128:         protected function dtgOrders_Bind() {
129:             // We load the data source, and set it to the datagrid's DataSource parameter
130:             $this->dtgOrders->DataSource = $this->objOrdersArray;
131:         }
132:     }
133: 
134:     ExampleForm::Run('ExampleForm');
135: ?>
136: