Pro PHP and jQuery by Jason Lengstorf.pdf - Computer Science ...

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298 CHAPTER 8 ■ EDITING THE CALENDAR WITH AJAX AND JQUERY }); url: processFile, data: formData, success: function(data) { // Fades out the modal window fx.boxout(); // If this is a new event, adds it to // the calendar if ( $("[name=event_id]").val().length==0 ) { fx.addevent(data, formData); } }, error: function(msg) { alert(msg); } }); With this change in place, your users can now edit events without seeing potentially confusing duplicate titles. Confirming Deletion in a Modal Window To round out your application, you’re also going to allow users to delete entries without a page refresh. A good portion of the script you need to do this is already in place, so adding this functionality will mostly require tweaks to your existing code. Displaying the Confirmation Dialog To display the confirmation dialog for event deletion when the Delete This Event button is clicked, you need to add an additional element to the lookup array in ajax.inc.php:
foreach ( $C as $name => $val ) { define($name, $val); } /* * Create a lookup array for form actions */ $actions = array( 'event_view' => array( 'object' => 'Calendar', 'method' => 'displayEvent' ), 'edit_event' => array( 'object' => 'Calendar', 'method' => 'displayForm' ), 'event_edit' => array( 'object' => 'Calendar', 'method' => 'processForm' ), 'delete_event' => array( 'object' => 'Calendar', 'method' => 'confirmDelete' ) ); /* * Make sure the anti-CSRF token was passed <strong>and</strong> that the * requested action exists in the lookup array */ if ( isset($actions[$_POST['action']]) ) { $use_array = $actions[$_POST['action']]; $obj = new $use_array['object']($dbo); } /* * Check for an ID <strong>and</strong> sanitize it if found */ if ( isset($_POST['event_id']) ) { $id = (int) $_POST['event_id']; } else { $id = NULL; } echo $obj->$use_array['method']($id); function __autoload($class_name) { $filename = '../../../sys/class/class.' CHAPTER 8 ■ EDITING THE CALENDAR WITH AJAX AND JQUERY 299
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THE EXPERT’S VOICE ® IN OPEN SOU
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ii Pro PHP and jQuery Copyright ©
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iv Contents at a Glance ■About th
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vi ■ CONTENTS Understanding jQuer
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viii ■ CONTENTS Summary .........
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x ■ CONTENTS ■Chapter 9: Perfor
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xii About the Author ■ Jason Leng
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xiv Acknowledgments I feel like I s
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C H A P T E R 1 ■ ■ ■ Introdu
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CHAPTER 1 ■ INTRODUCING JQUERY Th
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SETTING UP A LOCAL TESTING ENVIRONM
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google.load("jquery", "1.4.2");
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Basic Selectors CHAPTER 1 ■ INTRO
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Only one paragraph in our document
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$(".foo+p"); CHAPTER 1 ■ INTRODUC
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$("p:odd"); [ p.foo, p#bar ] Select
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$("p:parent"); [ p, p.foo, p, p#bar
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which returns the following in the
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Selecting Only Enabled or Disabled
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26 CHAPTER 2 ■ COMMON JQUERY ACTI
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C H A P T E R 3 ■ ■ ■ Object-
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$obj = new MyClass; var_dump($obj);
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CHAPTER 3 ■ OBJECT-ORIENTED PROGR
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$obj = new MyClass; // Get the valu
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} public function setProperty($newv
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} } return $this->getProperty(); pu
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Create a new object $newobj = new M
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} } // Create a new object $newobj
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Private Properties and Methods CHAP
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} public function __construct() { e
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*/ CHAPTER 3 ■ OBJECT-ORIENTED PR
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Ease of Implementation CHAPTER 3
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C H A P T E R 4 ■ ■ ■ Build a
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CHAPTER 4 ■ BUILD AN EVENTS CALEN
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# # DocumentRoot: The directory out
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CHAPTER 4 ■ BUILD AN EVENTS CALEN
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} ?> } } } CHAPTER 4 ■ BUILD AN E
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■ Note For the sake of brevity, D
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} ?> CHAPTER 4 ■ BUILD AN EVENTS
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} ?> } include_once $filename; CHAP
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private $_startDay; public function
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138 CHAPTER 4 ■ BUILD AN EVENTS C
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168 CHAPTER 5 ■ ADD CONTROLS TO C
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200 CHAPTER 6 ■ PASSWORD PROTECTI
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P A R T 3 ■ ■ ■ Combining jQu
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236 CHAPTER 7 ■ ENHANCING THE USE
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Page 325: P A R T 4 ■ ■ ■ Advancing jQu
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Page 361 and 362: C H A P T E R 10 ■ ■ ■ Extend
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Modifying the Initialization Script
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Adding Methods to jQuery CHAPTER 10
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over, then returns it to its origin
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CHAPTER 10■ EXTENDING JQUERY ■
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Defines default values for the plug
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}); // Loads the event data from th
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■ ■ ■ Index ■ Special Chara
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■ C Calendar app JavaScript initi
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saving new calendar events in addin
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:eq( ) method, 17, 20, 26-27 equals
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eginning of string, 324 character c
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asic selectors in by class name, 12
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.die( ) method, 75-76 .error( ) met
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.parents( ) method, 33 .parentsUnti
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overview, 328 regex pattern to vali
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