diff options
Diffstat (limited to 'user_guide_src/source/helpers')
| -rw-r--r-- | user_guide_src/source/helpers/smiley_helper.rst | 169 |
1 files changed, 0 insertions, 169 deletions
diff --git a/user_guide_src/source/helpers/smiley_helper.rst b/user_guide_src/source/helpers/smiley_helper.rst deleted file mode 100644 index 3e7669942..000000000 --- a/user_guide_src/source/helpers/smiley_helper.rst +++ /dev/null @@ -1,169 +0,0 @@ -############# -Smiley Helper -############# - -The Smiley Helper file contains functions that let you manage smileys -(emoticons). - -.. important:: The Smiley helper is DEPRECATED and should not be used. - It is currently only kept for backwards compatibility. - -.. contents:: - :local: - -.. raw:: html - - <div class="custom-index container"></div> - -Loading this Helper -=================== - -This helper is loaded using the following code:: - - $this->load->helper('smiley'); - -Overview -======== - -The Smiley helper has a renderer that takes plain text smileys, like -:-) and turns them into a image representation, like |smile!| - -It also lets you display a set of smiley images that when clicked will -be inserted into a form field. For example, if you have a blog that -allows user commenting you can show the smileys next to the comment -form. Your users can click a desired smiley and with the help of some -JavaScript it will be placed into the form field. - -Clickable Smileys Tutorial -========================== - -Here is an example demonstrating how you might create a set of clickable -smileys next to a form field. This example requires that you first -download and install the smiley images, then create a controller and the -View as described. - -.. important:: Before you begin, please `download the smiley images - <https://ellislab.com/asset/ci_download_files/smileys.zip>`_ - and put them in a publicly accessible place on your server. - This helper also assumes you have the smiley replacement array - located at `application/config/smileys.php` - -The Controller --------------- - -In your **application/controllers/** directory, create a file called -Smileys.php and place the code below in it. - -.. important:: Change the URL in the :php:func:`get_clickable_smileys()` - function below so that it points to your smiley folder. - -You'll notice that in addition to the smiley helper, we are also using -the :doc:`Table Class <../libraries/table>`:: - - <?php - - class Smileys extends CI_Controller { - - public function index() - { - $this->load->helper('smiley'); - $this->load->library('table'); - - $image_array = get_clickable_smileys('http://example.com/images/smileys/', 'comments'); - $col_array = $this->table->make_columns($image_array, 8); - - $data['smiley_table'] = $this->table->generate($col_array); - $this->load->view('smiley_view', $data); - } - - } - -In your **application/views/** directory, create a file called **smiley_view.php** -and place this code in it:: - - <html> - <head> - <title>Smileys</title> - <?php echo smiley_js(); ?> - </head> - <body> - <form name="blog"> - <textarea name="comments" id="comments" cols="40" rows="4"></textarea> - </form> - <p>Click to insert a smiley!</p> - <?php echo $smiley_table; ?> </body> </html> - When you have created the above controller and view, load it by visiting http://www.example.com/index.php/smileys/ - </body> - </html> - -Field Aliases -------------- - -When making changes to a view it can be inconvenient to have the field -id in the controller. To work around this, you can give your smiley -links a generic name that will be tied to a specific id in your view. - -:: - - $image_array = get_smiley_links("http://example.com/images/smileys/", "comment_textarea_alias"); - -To map the alias to the field id, pass them both into the -:func:`smiley_js()` function:: - - $image_array = smiley_js("comment_textarea_alias", "comments"); - -Available Functions -=================== - -.. php:function:: get_clickable_smileys($image_url[, $alias = ''[, $smileys = NULL]]) - - :param string $image_url: URL path to the smileys directory - :param string $alias: Field alias - :returns: An array of ready to use smileys - :rtype: array - - Returns an array containing your smiley images wrapped in a clickable - link. You must supply the URL to your smiley folder and a field id or - field alias. - - Example:: - - $image_array = get_clickable_smileys('http://example.com/images/smileys/', 'comment'); - -.. php:function:: smiley_js([$alias = ''[, $field_id = ''[, $inline = TRUE]]]) - - :param string $alias: Field alias - :param string $field_id: Field ID - :param bool $inline: Whether we're inserting an inline smiley - :returns: Smiley-enabling JavaScript code - :rtype: string - - Generates the JavaScript that allows the images to be clicked and - inserted into a form field. If you supplied an alias instead of an id - when generating your smiley links, you need to pass the alias and - corresponding form id into the function. This function is designed to be - placed into the <head> area of your web page. - - Example:: - - <?php echo smiley_js(); ?> - -.. php:function:: parse_smileys([$str = ''[, $image_url = ''[, $smileys = NULL]]]) - - :param string $str: Text containing smiley codes - :param string $image_url: URL path to the smileys directory - :param array $smileys: An array of smileys - :returns: Parsed smileys - :rtype: string - - Takes a string of text as input and replaces any contained plain text - smileys into the image equivalent. The first parameter must contain your - string, the second must contain the URL to your smiley folder - - Example:: - - $str = 'Here are some smileys: :-) ;-)'; - $str = parse_smileys($str, 'http://example.com/images/smileys/'); - echo $str; - -.. |smile!| image:: ../images/smile.gif
\ No newline at end of file |