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118 CHAPTER 3 ■ OBJECT-ORIENTED PROGRAMMING Summary At this point, you should feel comfortable with the object-oriented programming style. The whole core of the event calendar’s backend will be based on OOP, so any concepts that may currently seem unclear will be more thoroughly examined as the concepts from this chapter are put into a practical, real-world example. In the next chapter, you’ll start building the backend of the events calendar.
C H A P T E R 4 ■ ■ ■ Build an Events Calendar Now that you’re up to speed on the concept of object-oriented programming, you can start working on the project that will be the meat and potatoes of this book: the events calendar. It all starts here, and as this book progresses, you’ll be adding more and more functionality using both PHP and jQuery. Planning the Calendar Because you’re starting from absolute scratch, you need to take a minute to plan the application. This application will be database-driven (using MySQL), so the planning will take part in two stages: first the database structure and then a basic map of the application that will access and modify the database. Defining the Database Structure To make building the application much easier, the first thing you should plan is how the data will be stored. This shapes everything in the application. For a basic events calendar, all the information you’ll need to store is the following: • event_id: An automatically incremented integer that uniquely identifies each event • event_title: The title of the event • event_desc: A full description of the event • event_start: The start time of the event (in format YYYY-MM-DD HH:MM:SS) • event_end: The end time of the event (in format YYYY-MM-DD HH:MM:SS) Creating the Class Map The next step is to lay out the main class that will handle all the actions our application will perform related to the calendar events. This class will be called Calendar; the methods and properties will be laid out like so: 119
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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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$("p:parent"); [ p, p.foo, p, p#bar
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which returns the following in the
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Selecting Only Enabled or Disabled
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26 CHAPTER 2 ■ COMMON JQUERY ACTI
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168 CHAPTER 5 ■ ADD CONTROLS TO C
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200 CHAPTER 6 ■ PASSWORD PROTECTI
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P A R T 3 ■ ■ ■ Combining jQu
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236 CHAPTER 7 ■ ENHANCING THE USE
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264 CHAPTER 8 ■ EDITING THE CALEN
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P A R T 4 ■ ■ ■ Advancing jQu
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312 CHAPTER 9 ■ PERFORMING FORM V
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C H A P T E R 10 ■ ■ ■ Extend
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$.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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