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Diffstat (limited to 'user_guide_src/source/libraries')
| -rw-r--r-- | user_guide_src/source/libraries/javascript.rst | 76 |
1 files changed, 48 insertions, 28 deletions
diff --git a/user_guide_src/source/libraries/javascript.rst b/user_guide_src/source/libraries/javascript.rst index 393d4e321..bb901ead9 100644 --- a/user_guide_src/source/libraries/javascript.rst +++ b/user_guide_src/source/libraries/javascript.rst @@ -1,31 +1,51 @@ -.. note:: This driver is experimental. Its feature set and - implementation may change in future releases. - ################ Javascript Class ################ +.. note:: This driver is experimental. Its feature set and + implementation may change in future releases. + CodeIgniter provides a library to help you with certain common functions that you may want to use with Javascript. Please note that CodeIgniter does not require the jQuery library to run, and that any scripting library will work equally well. The jQuery library is simply presented as a convenience if you choose to use it. +.. contents:: + :local: + +.. raw:: html + + <div class="custom-index container"></div> + +************************** +Using the Javascript Class +************************** + Initializing the Class ====================== To initialize the Javascript class manually in your controller -constructor, use the $this->load->library function. Currently, the only -available library is jQuery, which will automatically be loaded like -this:: +constructor, use the ``$this->load->library()`` method. Currently, +the only available library is jQuery, which will automatically be +loaded like this:: $this->load->library('javascript'); -The Javascript class also accepts parameters, js_library_driver -(string) default 'jquery' and autoload (bool) default TRUE. You may -override the defaults if you wish by sending an associative array:: +The Javascript class also accepts parameters: + +- js_library_driver (string) *default: 'jquery'* +- autoload (bool) *default: TRUE* - $this->load->library('javascript', array('js_library_driver' => 'scripto', 'autoload' => FALSE)); +You may override the defaults by sending an associative array:: + + $this->load->library( + 'javascript', + array( + 'js_library_driver' => 'scripto', + 'autoload' => FALSE + ) + ); Again, presently only 'jquery' is available. You may wish to set autoload to FALSE, though, if you do not want the jQuery library to @@ -34,7 +54,8 @@ is useful if you are loading it from a location outside of CodeIgniter, or already have the script tag in your markup. Once loaded, the jQuery library object will be available using: -$this->javascript + + $this->javascript Setup and Configuration ======================= @@ -47,8 +68,8 @@ application. As Javascript is a client side language, the library must be able to write content into your final output. This generally means a view. -You'll need to include the following variables in the <head> sections of -your output. +You'll need to include the following variables in the ``<head>`` +sections of your output. :: @@ -56,17 +77,17 @@ your output. <?php echo $script_head;?> -$library_src, is where the actual library file will be loaded, as well -as any subsequent plugin script calls; $script_head is where specific -events, functions and other commands will be rendered. +``$library_src``, is where the actual library file will be loaded, as +well as any subsequent plugin script calls; $script_head is where +specific events, functions and other commands will be rendered. Set the path to the librarys with config items ---------------------------------------------- There are some configuration items in Javascript library. These can -either be set in application/config.php, within its own -config/javascript.php file, or within any controller usings the -set_item() function. +either be set in *application/config.php*, within its own +*config/javascript.php* file, or within any controller usings the +``set_item()`` function. An image to be used as an "ajax loader", or progress indicator. Without one, the simple text message of "loading" will appear when Ajax calls @@ -84,7 +105,7 @@ The jQuery Class ================ To initialize the jQuery class manually in your controller constructor, -use the $this->load->library function:: +use the ``$this->load->library()`` method:: $this->load->library('javascript/jquery'); @@ -96,30 +117,29 @@ library as follows:: $this->load->library('javascript/jquery', FALSE); Once loaded, the jQuery library object will be available using: -$this->jquery + + $this->jquery jQuery Events ============= Events are set using the following syntax. - :: $this->jquery->event('element_path', code_to_run()); - In the above example: - "event" is any of blur, change, click, dblclick, error, focus, hover, keydown, keyup, load, mousedown, mouseup, mouseover, mouseup, resize, scroll, or unload. -- "element_path" is any valid `jQuery - selector <http://docs.jquery.com/Selectors>`_. Due to jQuery's unique +- "element_path" is any valid `jQuery selector + <http://docs.jquery.com/Selectors>`_. Due to jQuery's unique selector syntax, this is usually an element id, or CSS selector. For - example "#notice_area" would effect <div id="notice_area">, and + example "#notice_area" would effect ``<div id="notice_area">``, and "#content a.notice" would effect all anchors with a class of "notice" in the div with id "content". -- "code_to_run()" is script your write yourself, or an action such as +- "``code_to_run()``" is script your write yourself, or an action such as an effect from the jQuery library below. Effects @@ -298,4 +318,4 @@ description to come calendar() ---------- -description to come +description to come
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