1: <?php
 2:     class ProjectEditPanel extends QPanel {
 3:         // Child Controls must be Publically Accessible so that they can be rendered in the template
 4:         // Typically, you would want to do this by having public __getters for each control
 5:         // But for simplicity of this demo, we'll simply make the child controls public, themselves.
 6:         public $txtName;
 7:         public $btnSave;
 8:         public $btnCancel;
 9: 
10:         // The Local Project object which this panel represents
11:         protected $objProject;
12: 
13:         // The Reference to the Main Form's "Method Callback" so that the form can perform additional
14:         // tasks after save or cancel has been clicked
15:         protected $strMethodCallBack;
16: 
17:         // Specify the Template File for this custom QPanel
18:         protected $strTemplate = 'ProjectEditPanel.tpl.php';
19: 
20:         // Customize the Look/Feel
21:         protected $strPadding = '10px';
22:         protected $strBackColor = '#fefece';
23: 
24:         // We Create a new __constructor that takes in the Project we are "viewing"
25:         // The functionality of __construct in a custom QPanel is similar to the QForm's Form_Create() functionality
26:         public function __construct($objParentObject, $objProject, $strMethodCallBack, $strControlId = null) {
27:             // First, let's call the Parent's __constructor
28:             try {
29:                 parent::__construct($objParentObject, $strControlId);
30:             } catch (QCallerException $objExc) {
31:                 $objExc->IncrementOffset();
32:                 throw $objExc;
33:             }
34: 
35:             // Next, we set the local project object
36:             $this->objProject = $objProject;
37:             
38:             // Let's record the reference to the form's MethodCallBack
39:             // See note in ProjectViewPanel for more on this.
40:             $this->strMethodCallBack = $strMethodCallBack;
41: 
42:             // Let's set up the other local child control
43:             // Notice that we define the child controls' parents to be "this", which is this ProjectEditPanel object.
44:             $this->txtName = new QTextBox($this, 'txtProjectName');
45:             $this->txtName->Text = $objProject->Name;
46:             $this->txtName->Name = 'Project Name';
47:             $this->txtName->Required = true;
48:             $this->txtName->CausesValidation = true;
49: 
50:             // We need to add some Enter and Esc key Events on the Textbox
51:             $this->txtName->AddAction(new QEnterKeyEvent(), new QAjaxControlAction($this, 'btnSave_Click'));
52:             $this->txtName->AddAction(new QEnterKeyEvent(), new QTerminateAction());
53:             $this->txtName->AddAction(new QEscapeKeyEvent(), new QAjaxControlAction($this, 'btnCancel_Click'));
54:             $this->txtName->AddAction(new QEscapeKeyEvent(), new QTerminateAction());
55: 
56:             $this->btnSave = new QButton($this);
57:             $this->btnSave->Text = 'Save';
58:             $this->btnSave->AddAction(new QClickEvent(), new QAjaxControlAction($this, 'btnSave_Click'));
59:             $this->btnSave->CausesValidation = true;
60: 
61:             $this->btnCancel = new QButton($this);
62:             $this->btnCancel->Text = 'Cancel';
63:             $this->btnCancel->AddAction(new QClickEvent(), new QAjaxControlAction($this, 'btnCancel_Click'));
64:         }
65: 
66:         // Because we don't need any Form_PreRender type of functionality, we do not override GetControlHtml()
67: //      public function GetControlHtml() {}
68: 
69:         // Event Handlers Here
70:         public function btnSave_Click($strFormId, $strControlId, $strParameter) {
71:             // Go ahead and update the project's name
72:             $this->objProject->Name = $this->txtName->Text;
73:             $this->objProject->Save();
74:             
75:             // And call the Form's Method CallBack, passing in "true" to state that we've made an update
76:             $strMethodCallBack = $this->strMethodCallBack;
77:             $this->objForm->$strMethodCallBack(true);
78:         }
79: 
80:         public function btnCancel_Click($strFormId, $strControlId, $strParameter) {
81:             // Call the Form's Method CallBack, passing in "false" to state that we've made no changes
82:             $strMethodCallBack = $this->strMethodCallBack;
83:             $this->objForm->$strMethodCallBack(false);
84:         }
85:     }