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

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268 CHAPTER 8 ■ EDITING THE CALENDAR WITH AJAX AND JQUERY Figure 8-1. The event creation form loaded in a modal window Making the Cancel Button Behave Like the Close Button You may have noticed that the modal window doesn’t contain a Close button when the form is displayed. However, the modal window does include a Cancel button that will refresh the page when clicked. Instead of adding more buttons to the window, you’re simply going to make the Cancel button call the fx.boxout() method to close the window. To accomplish this, use .live() to bind a click event handler to any link containing the word cancel inside a form with the edit-form class: jQuery(function($){ var processFile = "assets/inc/ajax.inc.php", fx = { "initModal" : function() {...},
} "boxin" : function(data, modal) {...}, "boxout" : function(event) {...} $("li>a").live("click", function(event){...}); $(".admin").live("click", function(event){...}); // Make the cancel button on editing forms behave like the // close button and fade out modal windows and overlays $(".edit-form a:contains(cancel)").live("click", function(event){ fx.boxout(event); }); }); CHAPTER 8 ■ EDITING THE CALENDAR WITH AJAX AND JQUERY Save the file, reload http://localhost/, and click the Add a New Event button. After the modal window has loaded, click the Cancel link in the form. The modal window and overlay will fade out, just as they do when the Close button is clicked. Saving New Events in the Database To make the form work properly, you must now add a click event handler to the Submit button on the form. This handler will prevent the default form submission, then use .serialize() to create a query string from the form inputs. It then uses the serialized data to submit the form via POST to ajax.inc.php. Start by adding a new click handler to any inputs of type submit that exist in a form with the editform class. Using .live() ensures that dynamically created inputs will still be targeted by the handler. You can prevent the default action using event.preventDefault(). Do this by inserting the bold code into init.js: jQuery(function($){ var processFile = "assets/inc/ajax.inc.php", fx = { "initModal" : function() {...}, "boxin" : function(data, modal) {...}, "boxout" : function(event) {...} } $("li>a").live("click", function(event){...}); $(".admin").live("click", function(event){...}); // Edits events without reloading $(".edit-form input[type=submit]").live("click", function(event){ // Prevents the default form action from executing event.preventDefault(); // Logs a message to indicate the script is working 269
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THE EXPERT’S VOICE ® IN OPEN SOU
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ii Pro PHP and jQuery Copyright ©
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iv Contents at a Glance ■About th
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vi ■ CONTENTS Understanding jQuer
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viii ■ CONTENTS Summary .........
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x ■ CONTENTS ■Chapter 9: Perfor
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xii About the Author ■ Jason Leng
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xiv Acknowledgments I feel like I s
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C H A P T E R 1 ■ ■ ■ Introdu
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CHAPTER 1 ■ INTRODUCING JQUERY Th
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SETTING UP A LOCAL TESTING ENVIRONM
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google.load("jquery", "1.4.2");
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Basic Selectors CHAPTER 1 ■ INTRO
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Only one paragraph in our document
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$(".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 $_startDay; public function
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138 CHAPTER 4 ■ BUILD AN EVENTS C
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168 CHAPTER 5 ■ ADD CONTROLS TO C
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200 CHAPTER 6 ■ PASSWORD PROTECTI
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Page 249: P A R T 3 ■ ■ ■ Combining jQu
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Page 325: P A R T 4 ■ ■ ■ Advancing jQu
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318 CHAPTER 9 ■ PERFORMING FORM V
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C H A P T E R 10 ■ ■ ■ Extend
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$.validDate = function(date, option
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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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