Drupal 6 JavaScript and jQuery - Ebook-Cours.com

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Drupal 6 JavaScript and jQuery Putting jQuery, AJAX, and JavaScript effects into your Drupal 6 modules and themes Matt Butcher BIRMINGHAM - MUMBAI This material is copyright and is licensed for the sole use by Richard Ostheimer on 18th June 2009 2205 hilda ave., , missoula, , 59801
Drupal 6 JavaScript and jQuery Copyright © 2009 Packt Publishing All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews. Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author, Packt Publishing, nor its dealers or distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book. Packt Publishing has endeavored to provide trademark information about all the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information. First published: February 2009 Production Reference: 1180209 Published by Packt Publishing Ltd. 32 Lincoln Road Olton Birmingham, B27 6PA, UK. ISBN 978-1-847196-16-3 www.packtpub.com Cover Image by Damian Carvill (damianc@packtpub.com) This material is copyright and is licensed for the sole use by Richard Ostheimer on 18th June 2009 2205 hilda ave., , missoula, , 59801
Page 4 and 5: Author Matt Butcher Reviewers Dave
Page 6 and 7: About the reviewers Dave Myburgh ha
Page 8 and 9: Table of Contents Preface 1 Chapter
Page 10 and 11: [ iii ] Table of Contents The Drupa
Page 12 and 13: [ v ] Table of Contents The bettere
Page 14 and 15: JavaScript: It's not just for calcu
Page 16 and 17: [ 3 ] Preface You will also need to
Page 18 and 19: [ 5 ] Preface Errata Although we ha
Page 20 and 21: Drupal and JavaScript If you're any
Page 22 and 23: [ 9 ] Chapter 1 The focus of this b
Page 24 and 25: [ 11 ] Chapter 1 HTML HTML is the p
Page 26 and 27: Thus, when rendered through the bro
Page 28 and 29: The web browser will never see a li
Page 30 and 31: [ 17 ] Chapter 1 The Drupal Core al
Page 32 and 33: Where does our JavaScript go? As we
Page 34 and 35: [ 21 ] Chapter 1 You can choose whi
Page 36 and 37: On this page, we can see the node's
Page 38 and 39: For example, here's a screenshot of
Page 40 and 41: The tool looks like this: [ 27 ] Ch
Page 42 and 43: Working with JavaScript in Drupal T
Page 44 and 45: [ 31 ] Chapter 2 Where Drupal JavaS
Page 46 and 47: The printer script Our script will
Page 48 and 49: [ 35 ] Chapter 2 • Indenting shou
Page 50 and 51: var PrinterTool = {}; PrinterTool.w
Page 52 and 53:
* The ID of the tag that contains t
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var title = document.title; if (!ta
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Now we have a new window with the c
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Creating a theme: first steps To cr
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[ 47 ] Chapter 2 Creating the .info
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[ 49 ] Chapter 2 The logo image, ti
Page 64 and 65:
Now, after clearing the cache, we c
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Let's take a quick look at the page
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[ 55 ] Chapter 2 First, templates a
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[ 57 ] Chapter 2 This is the s
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jQuery: Do More with Drupal In the
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The jQuery site is a great source f
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sample Title Paragraph 1 Para
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[ 65 ] Chapter 3 So if we hit ENTER
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[ 67 ] Chapter 3 To style all the e
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[ 69 ] Chapter 3 Sounds confusing?
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In this case, we have a string obje
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[ 73 ] Chapter 3 Don't do it yourse
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[ 75 ] Chapter 3 Nodes are marked a
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stylesheets[all][] = frobnitz.css s
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The first line is our function assi
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[ 81 ] Chapter 3 So in that one cor
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[ 83 ] Chapter 3 All we do here is
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[ 85 ] Chapter 3 jQuery comes with
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Let's break this function into two
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[ 89 ] Chapter 3 The callback funct
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[ 91 ] Chapter 3 $(document) create
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Drupal Behaviors In the previous ch
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[ 95 ] Chapter 4 Finally, Drupal of
Page 110 and 111:
Let's take a look at an example tha
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[ 99 ] Chapter 4 So in this example
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[ 101 ] Chapter 4 At the beginning
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}; }); function () { $(this).siblin
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[ 105 ] Chapter 4 Any block that ge
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The second toggle function performs
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[ 109 ] Chapter 4 The query we use
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Earlier, when we inserted our new c
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[ 113 ] Chapter 4 That's where Drup
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[ 115 ] Chapter 4 Let's start out b
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}; }); }); /** * Insert a tag. * @p
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[ 119 ] Chapter 4 The main part of
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} $(bar).attr('id', 'buttons-' + tx
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For all practical purposes, we have
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var middle = value.substring(start,
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Lost in Translations Drupal offers
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Translation functions are the porti
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[ 131 ] Chapter 5 On this screen yo
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[ 133 ] Chapter 5 For multi-languag
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[ 135 ] Chapter 5 The string looks
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[ 137 ] Chapter 5 So 1 is the only
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[ 139 ] Chapter 5 The Extract tab (
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$('body').append(dayDiv).children('
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@count days"), "@saturday": Day.day
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[ 145 ] Chapter 5 To do our transla
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"PO-Revision-Date: YYYY-mm-DD HH:MM
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[ 149 ] Chapter 5 Next is a block o
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[ 151 ] Chapter 5 If, for some reas
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[ 153 ] Chapter 5 "Thursday": "Juev
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JavaScript Theming In this chapter,
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[ 157 ] Chapter 6 For example, call
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[ 159 ] Chapter 6 The purpose of th
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[ 161 ] Chapter 6 We are still usin
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This list gets passed to the Drupal
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That's the entire thing. It is a sh
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[ 167 ] Chapter 6 Earlier, when we
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$output .= theme('menu_item', $link
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} // Create item var li = $(''); //
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} var li = $(''); // figure out if
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[ 175 ] Chapter 6 Theming tables Ta
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[ 177 ] Chapter 6 In this example,
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[ 179 ] Chapter 6 The other two mes
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[ 181 ] Chapter 6 Oh, and we also w
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We might want to flag a node as unp
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[ 185 ] Chapter 6 The name paramete
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Theming with templates The last par
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The out variable is going to hold t
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} tpl.find('.' + value).html(node[v
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[ 193 ] Chapter 6 To make it possib
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} else { var txt = Drupal.theme('de
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AJAX and Drupal Web Services In the
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[ 199 ] Chapter 7 These application
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The basic workflow, regardless of b
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Using our previous example, if we w
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Wouldn't it be nice if Drupal provi
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[ 207 ] Chapter 7 To accomplish our
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Drupal.behaviors and Drupal.themes
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A rule of thumb How do we determine
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feedUrl = Drupal.settings.basePath
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[ 215 ] Chapter 7 Since we just wan
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[ 217 ] Chapter 7 The WebClips.show
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[ 219 ] Chapter 7 Project: real-tim
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[ 221 ] Chapter 7 Views Datasource
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Here is a labeled screenshot showin
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[ 225 ] Chapter 7 Curly braces ({})
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} }; CommentWatcher.check(); var ch
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[ 229 ] Chapter 7 There are six fun
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[ 231 ] Chapter 7 The next task of
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[ 233 ] Chapter 7 As usual, the fir
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[ 235 ] Chapter 7 The jQuery show a
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[ 237 ] Chapter 7 The job of this f
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The cookie format is very specific.
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Building a Module In the previous c
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[ 243 ] Chapter 8 The directory Eac
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The scripts[] directive is an examp
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[ 247 ] Chapter 8 This script is go
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*/ function jsloader_init() { $path
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[ 251 ] Chapter 8 There are dozens
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[ 253 ] Chapter 8 Drupal will simpl
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[ 255 ] Chapter 8 3. To add an indi
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Here's what bettereditor.info looks
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*/ function bettereditor_help($path
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); $buttons[] = array( 'name' => 'S
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[ 263 ] Chapter 8 Basically, we hav
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[ 265 ] Chapter 8 Right now, we hav
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The JSON notation is identical to t
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var BetterEditor = BetterEditor ||
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Drupal.theme.prototype.buttonBar =
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}; var txtarea = $(this); var txtar
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} }); sel.start = sel.end = -1; The
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[ 277 ] Chapter 8 So in the click h
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var html = placeholder.html(); plac
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var current = placeholder; // Copy
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The current variable points to this
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Every button is passed through this
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Integrating and Extending In this f
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[ 289 ] Chapter 9 Our plan For our
Page 304 and 305:
[ 291 ] Chapter 9 Since it has been
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} // The Taxonomy ID. $tid = 2; $au
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[ 295 ] Chapter 9 The main task of
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[ 297 ] Chapter 9 Adding this class
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This shouldn't cause any problems.
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The library is constructed in a mod
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function accordion_init() { $path =
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This is the area that the ID identi
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[ 307 ] Chapter 9 The jQuery UI acc
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[ 309 ] Chapter 9 That wraps up our
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We are going to call this plug-in d
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[ 313 ] Chapter 9 If we were to run
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The divWrap() function Inside of ou
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[ 317 ] Chapter 9 That's all there
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A AJAX about 198 in Web 2.0 199 web
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originating 31 Drupal JavaScript Be
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about 22, 23 ImageNode module 23 Se
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Thank you for buying Drupal 6 JavaS
Page 340:
Drupal 6 Site Builder Solutions ISB
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