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Moodle JavaScript Cookbook

You're reading from  Moodle JavaScript Cookbook

Product type Book
Published in Apr 2011
Publisher Packt
ISBN-13 9781849511902
Pages 180 pages
Edition 1st Edition
Languages

Table of Contents (15) Chapters

Moodle JavaScript Cookbook
Credits
About the Author
About the Reviewers
www.PacktPub.com
1. Preface
1. Combining Moodle and JavaScript 2. Moodle and Yahoo! User Interface Library (YUI) 3. Moodle Forms Validation 4. Manipulating Data with YUI 3 5. Working with Data Tables 6. Enhancing Page Elements 7. Advanced Layout Techniques 8. Animating Components 9. Integrating External Libraries

Parsing JSON with DataSource


In this recipe, we will use DataSource in conjunction with the JSONSchema plug-in to retrieve and parse a data file in the JSON format.

Getting ready

We will use three files in this example:

  • data.json: A data file in JSON format with the following contents:

    {
    "list":[
    {"name":"Item One"},
    {"name":"Item Two"},
    {"name":"Item Three"},
    {"name":"Item Four"},
    {"name":"Item Five"},
    {"name":"Item Six"},
    {"name":"Item Seven"},
    {"name":"Item Eight"},
    {"name":"Item Nine"},
    {"name":"Item Ten"}
    ]
    }
    
  • datasource_json.php: A PHP page with an input button for initiating the request and a textarea to display the results:

    <?php
    require_once(dirname(__FILE__) . '/../config.php');
    $PAGE->set_url('/cook/datasource_json.php');
    $PAGE->requires->js('/cook/datasource_json.js');
    echo $OUTPUT->header();
    ?>
    <form>
    <textarea id="contents" rows="10"></textarea>
    <br />
    <input id="go" type="button" value="Get JSON">
    </form>
    <?
    echo $OUTPUT...
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