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126 CHAPTER 4 ■ BUILD AN EVENTS CALENDAR This class will have one property and one method, both of which are protected. The property will be called $db and will store a database object. The method will be a constructor; this will accept an optional database object to store in $db, or it will create a new PDO object if no database object is passed. Insert the following code into class.db_connect.inc.php:
} ?> } } } CHAPTER 4 ■ BUILD AN EVENTS CALENDAR ■ Note The preceding function uses constants that are not defined just yet. You’ll create the files to define these constants in the next section. Creating the Class Wrapper To build the application itself, start by creating the file class.calendar.inc.php in the class folder that resides within the non-public sys folder (/sys/class/class.calendar.inc.php). This class will extend the DB_Connect class in order to have access to the database object. Open the file in your editor of choice and create the Calendar class using the following code: With the class created, you can start adding the properties and methods to the class. Adding Class Properties The Calendar class doesn’t need any public properties, and you won’t be extending it in the examples contained within this book, so all class properties will be private. 127
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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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Page 145 and 146: ■ Note For the sake of brevity, D
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176 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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264 CHAPTER 8 ■ EDITING THE CALEN
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P A R T 4 ■ ■ ■ Advancing jQu
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312 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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