In Drupal core the function drupal_add_js() help us to achieve adding JS for a specific pages. The CTools modal popup will not support core drupal_add_js() functions. We have to use CTools functions for adding JS files to modal window. The function ctools_add_js() will help to adding JS files into modal popup windows. The function accepts filename, Module name and path for adding the JS file.
The CTools not supporting normal l() function of Drupal, we need to use its own function for creating links and buttons. The below example will demonstrate about creating Image link button with an example. The function ctools_modal_image_button() used for creating image button by CTools.
The CTools will not support l() function of Drupal core. It will support its own Links. The function ctools_ajax_text_button() we can create links. The below example will demonstrate about creating a close button for the current modal window.
The CTools plugin will not open with normal buttons and links. To open a page or form via CTools we need to use ctools buttons(ctools_ajax_text_button()). This ctools_ajax_text_button will create a link that contains the base class that help to pop up the pages.
The CTools is the plugin that helps to achieve popup content in Drupal. Not only the content and pages we can render forms in CTools. The below is the example will demonstrate about create a form in CTools modal popup window.
The CTools module helps us to implement popup functionality in Drupal. Using CTools modal popup we can create Custom pages, forms, blocks into popups. The below example will demonstrate creating simple Modal popup page with sample code.
The Autocomplete field will suggest the information while user typing initial values. Inform text field fields we can able to change as autocomplete field instead of the normal text field. The below is the example text file into a autocomplete field in Drupal 6.
In Jquery we allowed accessing the element by its class or ID. If we use the help of class means the '.'(dot) followed by class name will help us to access the information. If we use ID means, the '#'(hash) followed by ID name help us to load the element object. The below is the accessing element property.
The Drupal Commerce Commerce POS module help us to achieve Point of Sale concept. The Drupal Commerce POS differs from normal commerce order. On Commerce POS they have implemented their own Order management rather than using Commerce Order. This has been achieved by its own interface and classes. On Completing each order, the order is again mapped to normal commerce order.
In Drupal theme, each theme has a logo image files. We can use this logo images what ever we need. The below example will help us to print current theme logo as well as any theme logo.
When there is a need of providing search as a RESTFUL web service, it is important that we need to send facets with the search results with in the data. If you have facets in your Drupal instance configured for search pages then you have your Facets module enabled.
The function drupal_get_form() is used to get the form details. Normally in Drupa,l the form field are constructed as an associative array. This associative array is defined inside a form function. The function name is the form ID, using this form ID we can able to render the form.
The CURL is the PHP functionality for access external website contents. Using CURL request we can get content data, content or files from any other service providing websites. In Drupal 7 the function drupal_http_request(), will help to achieve CURL request for us.
The PHP provide us to save values in sessions. For each user, there will be session maintain on the server for holding their values. In Drupal 8 we can able to access session values of a particular user with help of service() function in core.
In Drupal for form fields we able to capture multiple values by specifying unlimited values in manage fields. A similar manner for custom fields added in form alters also able to capture multiple values. The below is the example of creating multiple value capture field with add another button.
Normally content are created and managing is done using node form in Drupal. There is node create form and edit form help create and manage contents in Drupal sites. the hook function hook_form_node_form_alter() will help to achieve altering node forms to alter.
The node object is loaded by the function load() of Node class of core Drupal system. The object of the node will hold the pieces of information like Content type, created timestamp, author and revision values. Similarly we able to access node field values. The below is the example accessing the Node properties field values of the node.
The Drupal we can able to add custom CSS files to our forms. In Drupal 8 adding custom, CSS files will be achieved by using the library to system. The library files are needed before adding to form. These libraries descriptions are added in MODULE_NAME.libraries.yml files. Once libraries added we can able to define in our forms.
The captcha will help to control bot and anonymous users content creation in websites. The captcha system makes will make a challenge for every user to confirm whether the user is human or not. These challenges are mainly used for avoiding spam content creations. In Drupal, there some contribute module will help to achieve captcha for Drupal sites.