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

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254 CHAPTER 7 ■ ENHANCING THE USER INTERFACE WITH JQUERY }); modal.append(data); }, error: function(msg) { modal.append(msg); } }); After saving the preceding code, load http://localhost/ and click an event title to see the new Close button (see Figure 7-3). Click the Close button to remove the modal window. Figure 7-3. The Close button is now visible in the modal window Add Effects to the Creation and Destruction of the Modal Window To give the modal window a little more style and polish, you’ll add effects to make the box fade in when it’s created and fade out when it’s removed. Also, to help draw focus to the modal window when it’s active, you’ll add an overlay to the site that will darken everything but the modal window.
Fade Out the Modal Window CHAPTER 7 ■ ENHANCING THE USER INTERFACE WITH JQUERY First, you need to add effects to fade out the modal window. This function will be triggered in several ways, some of which also trigger events; to handle this, you create a conditional statement that checks whether an event was triggered, then prevent the default action if that’s the case. Next, remove the class active from all links, since none of them are in use when the modal window isn’t visible. Finally, you select and fade out the modal window using .fadeOut(). In the callback function of .fadeOut(), the modal window will be removed from the DOM entirely. You add this function by inserting the following bold code in the fx object literal: // Functions to manipulate the modal window fx = { // Checks for a modal window and returns it, or // else creates a new one and returns that "initModal" : function() { // If no elements are matched, the length // property will be 0 if ( $(".modal-window").length==0 ) { // Creates a div, adds a class, and // appends it to the body tag return $("") .addClass("modal-window") .appendTo("body"); } else { // Returns the modal window if one // already exists in the DOM return $(".modal-window"); } }, // Fades out the window and removes it from the DOM "boxout" : function(event) { // If an event was triggered by the element // that called this function, prevents the // default action from firing if ( event!=undefined ) { event.preventDefault(); } // Removes the active class from all links $("a").removeClass("active"); // Fades out the modal window, then removes // it from the DOM entirely $(".modal-window") 255
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THE EXPERT’S VOICE ® IN OPEN SOU
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ii Pro PHP and jQuery Copyright ©
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iv Contents at a Glance ■About th
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vi ■ CONTENTS Understanding jQuer
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viii ■ CONTENTS Summary .........
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x ■ CONTENTS ■Chapter 9: Perfor
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xii About the Author ■ Jason Leng
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xiv Acknowledgments I feel like I s
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C H A P T E R 1 ■ ■ ■ Introdu
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CHAPTER 1 ■ INTRODUCING JQUERY Th
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SETTING UP A LOCAL TESTING ENVIRONM
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google.load("jquery", "1.4.2");
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Basic Selectors CHAPTER 1 ■ INTRO
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Only one paragraph in our document
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$(".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 $_startDay; public function
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138 CHAPTER 4 ■ BUILD AN EVENTS C
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168 CHAPTER 5 ■ ADD CONTROLS TO C
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200 CHAPTER 6 ■ PASSWORD PROTECTI
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202 CHAPTER 6 ■ PASSWORD PROTECTI
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Page 249: P A R T 3 ■ ■ ■ Combining jQu
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304 CHAPTER 8 ■ EDITING THE CALEN
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306 CHAPTER 8 ■ EDITING THE CALEN
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P A R T 4 ■ ■ ■ Advancing jQu
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312 CHAPTER 9 ■ PERFORMING FORM V
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C H A P T E R 10 ■ ■ ■ Extend
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$.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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