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<?php
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/**
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* @file
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* Provide a javascript based dropdown menu.
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*
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* An example are the dropdown settings in the panels ui, like for adding
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* new panes.
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*
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* The dropdown menu will show up as a clickable link; when clicked,
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* a small menu will slide down beneath it, showing the list of links.
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*
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* The dropdown will stay open until either the user has moved the mouse
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* away from the box for > .5 seconds, or can be immediately closed by
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* clicking the link again. The code is smart enough that if the mouse
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* moves away and then back within the .5 second window, it will not
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* re-close.
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*
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* Multiple dropdowns can be placed per page.
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*
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* If the user does not have javascript enabled, the link will not appear,
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* and instead by default the list of links will appear as a normal inline
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* list.
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*
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* The menu is heavily styled by default, and to make it look different
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* will require a little bit of CSS. You can apply your own class to the
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* dropdown to help ensure that your CSS can override the dropdown's CSS.
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*
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* In particular, the text, link, background and border colors may need to
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* be changed. Please see dropdown.css for information about the existing
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* styling.
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*/
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/**
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* Delegated implementation of hook_theme()
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*/
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function ctools_dropdown_theme(&$items) {
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$items['ctools_dropdown'] = array(
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'variables' => array('title' => NULL, 'links' => NULL, 'image' => FALSE, 'class' => ''),
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'file' => 'includes/dropdown.theme.inc',
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);
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}
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/**
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* Create a dropdown menu.
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*
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* @param $title
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* The text to place in the clickable area to activate the dropdown.
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* @param $links
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* A list of links to provide within the dropdown, suitable for use
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* in via Drupal's theme('links').
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* @param $image
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* If true, the dropdown link is an image and will not get extra decorations
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* that a text dropdown link will.
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* @param $class
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* An optional class to add to the dropdown's container div to allow you
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* to style a single dropdown however you like without interfering with
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* other dropdowns.
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*/
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function theme_ctools_dropdown($vars) {
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// Provide a unique identifier for every dropdown on the page.
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static $id = 0;
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$id++;
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$class = 'ctools-dropdown-no-js ctools-dropdown' . ($vars['class'] ? (' ' . $vars['class']) : '');
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ctools_add_js('dropdown');
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ctools_add_css('dropdown');
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$output = '';
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$output .= '<div class="' . $class . '" id="ctools-dropdown-' . $id . '">';
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$output .= '<div class="ctools-dropdown-link-wrapper">';
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if ($vars['image']) {
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$output .= '<a href="#" class="ctools-dropdown-link ctools-dropdown-image-link">' . $vars['title'] . '</a>';
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}
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else {
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$output .= '<a href="#" class="ctools-dropdown-link ctools-dropdown-text-link">' . check_plain($vars['title']) . '</a>';
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}
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$output .= '</div>'; // wrapper
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$output .= '<div class="ctools-dropdown-container-wrapper">';
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$output .= '<div class="ctools-dropdown-container">';
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$output .= theme_links(array('links' => $vars['links'], 'attributes' => array(), 'heading' => ''));
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$output .= '</div>'; // container
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$output .= '</div>'; // container wrapper
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$output .= '</div>'; // dropdown
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return $output;
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}
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