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

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120 CHAPTER 4 ■ BUILD AN EVENTS CALENDAR • Build the constructor. • Make sure a database connection exists or create one. • Set the following basic properties: a database object, • the date to use, the month being viewed, • the year to view, • the number of days in the month, and the weekday on which the month starts. • Generate HTML to build the events form. • Check if an event is being edited or created. • Load event information into the form if editing is needed. • Save new events in the database and sanitize input. • Delete events from the database and confirm deletion. • Load events information. • Load events data from the database. • Store each event as an array in the proper day for the month. • Output HTML with calendar information. Using the events array, loop through each day of the month and attach event titles and times where applicable. • Display event information as HTML. Accept an event ID and load the description and details for the event Planning the Application’s Folder Structure This application is going to be somewhat elaborate when it’s finished, so it’s worth taking a few minutes to think about how files are going to be organized. For the sake of security, everything possible will be kept out of the web root, or publicly available folders: this includes database credentials, the core of the application, and the classes that will run it. With nothing in the web root, mischievous users won’t be able to poke around in your folder structure without being on the server itself, which is a good practice for security. To start, you’ll have two folders: public to contain all files available for direct access by the application’s users, such as CSS, the index file, and JavaScript files and sys to contain the nonpublic files, such as database credentials, the application’s classes, and the core PHP files. Public Files The public folder will serve as the web root. When a user accesses your application’s URL, this is the folder in which the server will look first. At the root level, it contains the files accessed by users to view and manipulate the data stored in the database:
CHAPTER 4 ■ BUILD AN EVENTS CALENDAR • index.php: This is the main file, which displays the month in calendar format with event titles displayed in the box of the day on which they occur. • view.php: If users clicks an event title, they’re taken to this page where the event’s data is displayed in detail. • admin.php: To create or modify new events, the form displayed on this page is used. • confirmdelete.php: To delete an event, the user must first confirm that choice by submitting the confirmation form on this page. The public folder will also have a subfolder called assets, which will contain additional files for the site. Those files will be grouped by their usage, which in this section falls into four categories: common files, CSS files, JavaScript files, and form-processing files. Create four folders within assets called common, css, inc, and js. The common folder will store files that will be used on all the publicly accessible pages (namely the header and footer of the app); the css folder will store site style sheets; the inc folder will store files to process form-submitted input; and the js folder will store site JavaScript files. Nonpublic Application Files The sys folder will be broken into three subfolders: class, which will store all class files for the application (such as the Calendar class); config, which stores application configuration information such as database credentials; and core, which holds the files that initialize the application. When everything is organized and all files are created, the file structure will be well organized and easy to scale in the future (see Figure 4-1). Figure 4-1. The folder structure and files as they appear in NetBeans 6.8 on Mac 121
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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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$("p:parent"); [ p, p.foo, p, p#bar
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which returns the following in the
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Selecting Only Enabled or Disabled
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26 CHAPTER 2 ■ COMMON JQUERY ACTI
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170 CHAPTER 5 ■ ADD CONTROLS TO C
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200 CHAPTER 6 ■ PASSWORD PROTECTI
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P A R T 3 ■ ■ ■ Combining jQu
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236 CHAPTER 7 ■ ENHANCING THE USE
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264 CHAPTER 8 ■ EDITING THE CALEN
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P A R T 4 ■ ■ ■ Advancing jQu
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312 CHAPTER 9 ■ PERFORMING FORM V
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C H A P T E R 10 ■ ■ ■ Extend
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$.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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overview, 328 regex pattern to vali
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