/**
* Displays the widget settings on the Widgets admin page.
*
* @access private
* @since 1.0
*
* @param array $instance
*
* @return string|void
*/
public function form($instance)
{
$defaults = array('affix' => '0', 'highlight_color' => '#ededed', 'title' => '');
$instance = wp_parse_args((array) $instance, $defaults);
$highlight_color = esc_attr($instance['highlight_color']);
?>
<p>
<label for="<?php
echo $this->get_field_id('title');
?>
"><?php
_e('Title', 'ez_toc');
?>
:</label>
<input type="text" id="<?php
echo $this->get_field_id('title');
?>
"
name="<?php
echo $this->get_field_name('title');
?>
" value="<?php
echo $instance['title'];
?>
"
style="width:100%;"/>
</p>
<p>
<label for="<?php
echo $this->get_field_id('highlight_color');
?>
"><?php
_e('Active Section Highlight Color:', 'ez_toc');
?>
</label><br>
<input type="text" name="<?php
echo $this->get_field_name('highlight_color');
?>
" class="color-picker" id="<?php
echo $this->get_field_id('highlight_color');
?>
" value="<?php
echo $highlight_color;
?>
" data-default-color="<?php
echo $defaults['highlight_color'];
?>
" />
</p>
<p style="display: <?php
echo ezTOC_Option::get('widget_affix_selector') ? 'block' : 'none';
?>
;">
<input class="checkbox" type="checkbox" <?php
checked($instance['affix'], 1);
?>
id="<?php
echo $this->get_field_id('affix');
?>
"
name="<?php
echo $this->get_field_name('affix');
?>
" value="1"/>
<label for="<?php
echo $this->get_field_id('affix');
?>
"> <?php
_e('Affix or pin the widget.', 'ez_toc');
?>
</label>
</p>
<p class="description" style="display: <?php
echo ezTOC_Option::get('widget_affix_selector') ? 'block' : 'none';
?>
;">
<?php
_e('If you choose to affix the widget, do not add any other widgets on the sidebar. Also, make sure you have only one instance Table of Contents widget on the page.', 'ez_toc');
?>
</p>
<?php
}
/**
* Callback for the `the_content` filter.
*
* This will add the inline table of contents page anchors to the post content. It will also insert the
* table of contents inline with the post content as defined by the user defined preference.
*
* @access private
* @since 1.0
* @static
*
* @param string $content
*
* @return string
*/
public static function the_content($content)
{
$css_classes = '';
$html = '';
$find = array();
$replace = array();
$items = self::extract_headings($find, $replace, $content);
if ($items) {
if (self::is_eligible()) {
// wrapping css classes
switch (ezTOC_Option::get('wrapping')) {
case 'left':
$css_classes .= ' ez-toc-wrap-left';
break;
case 'right':
$css_classes .= ' ez-toc-wrap-right';
break;
case 'none':
default:
// do nothing
}
if (ezTOC_Option::get('show_hierarchy')) {
$css_classes .= ' counter-hierarchy';
} else {
$css_classes .= ' counter-flat';
}
switch (ezTOC_Option::get('counter')) {
case 'numeric':
$css_classes .= ' counter-numeric';
break;
case 'roman':
$css_classes .= ' counter-roman';
break;
case 'decimal':
$css_classes .= ' counter-decimal';
break;
}
// colour themes
switch (ezTOC_Option::get('theme')) {
case 'light-blue':
$css_classes .= ' ez-toc-light-blue';
break;
case 'white':
$css_classes .= ' ez-toc-white';
break;
case 'black':
$css_classes .= ' ez-toc-black';
break;
case 'transparent':
$css_classes .= ' ez-toc-transparent';
break;
case 'grey':
$css_classes .= ' ez-toc-grey';
break;
default:
// do nothing
}
// bullets?
//if ( ezTOC_Option::get( 'bullet_spacing' ) ) {
//
// $css_classes .= ' have_bullets';
//
//} else {
//
// $css_classes .= ' no_bullets';
//}
if (ezTOC_Option::get('css_container_class')) {
$css_classes .= ' ' . ezTOC_Option::get('css_container_class');
}
$css_classes = trim($css_classes);
// an empty class="" is invalid markup!
if (!$css_classes) {
$css_classes = ' ';
}
// add container, toc title and list items
$html .= '<div id="ez-toc-container" class="' . $css_classes . '">' . PHP_EOL;
if (ezTOC_Option::get('show_heading_text')) {
$toc_title = ezTOC_Option::get('heading_text');
if (strpos($toc_title, '%PAGE_TITLE%') !== FALSE) {
$toc_title = str_replace('%PAGE_TITLE%', get_the_title(), $toc_title);
}
if (strpos($toc_title, '%PAGE_NAME%') !== FALSE) {
$toc_title = str_replace('%PAGE_NAME%', get_the_title(), $toc_title);
}
$html .= '<div class="ez-toc-title-container">' . PHP_EOL;
$html .= '<p class="ez-toc-title">' . esc_html(htmlentities($toc_title, ENT_COMPAT, 'UTF-8')) . '</p>' . PHP_EOL;
$html .= '<span class="ez-toc-title-toggle">';
if (ezTOC_Option::get('visibility')) {
$html .= '<a class="pull-right btn btn-xs btn-default ez-toc-toggle"><i class="glyphicon ez-toc-icon-toggle"></i></a>';
}
$html .= '</span>';
$html .= '</div>' . PHP_EOL;
}
ob_start();
do_action('ez_toc_before');
$html .= ob_get_clean();
$html .= '<ul class="ez-toc-list">' . $items . '</ul>';
ob_start();
do_action('ez_toc_after');
$html .= ob_get_clean();
$html .= '</div>' . PHP_EOL;
}
if (count($find) > 0) {
switch (ezTOC_Option::get('position')) {
case 'top':
$content = $html . self::mb_find_replace($find, $replace, $content);
break;
case 'bottom':
$content = self::mb_find_replace($find, $replace, $content) . $html;
break;
case 'after':
$replace[0] = $replace[0] . $html;
$content = self::mb_find_replace($find, $replace, $content);
break;
case 'before':
default:
$replace[0] = $html . $replace[0];
$content = self::mb_find_replace($find, $replace, $content);
}
}
// Enqueue the script.
wp_enqueue_script('ez-toc-js');
}
return $content;
}
/**
* Callback to render the content of the table of contents metaboxes.
*
* @access private
* @since 1.0
* @static
*
* @param object $post The post object.
* @param $atts
*/
public function displayMetabox($post, $atts)
{
// Add an nonce field so we can check for it on save.
wp_nonce_field('ez_toc_save', '_ez_toc_nonce');
$suppress = get_post_meta($post->ID, '_ez-toc-disabled', TRUE) == 1 ? TRUE : FALSE;
$insert = get_post_meta($post->ID, '_ez-toc-insert', TRUE) == 1 ? TRUE : FALSE;
$headings = get_post_meta($post->ID, '_ez-toc-heading-levels', TRUE);
$exclude = get_post_meta($post->ID, '_ez-toc-exclude', TRUE);
$altText = get_post_meta($post->ID, '_ez-toc-alttext', TRUE);
if (!is_array($headings)) {
$headings = array();
}
?>
<table class="form-table">
<tbody>
<tr>
<th scope="row"></th>
<td>
<?php
if (in_array(get_post_type($post), ezTOC_Option::get('auto_insert_post_types', array()))) {
ezTOC_Option::checkbox(array('id' => 'disabled-toc', 'desc' => esc_html__('Disable the automatic insertion of the table of contents.', 'ez_toc'), 'default' => $suppress), $suppress);
} elseif (in_array(get_post_type($post), ezTOC_Option::get('enabled_post_types', array()))) {
ezTOC_Option::checkbox(array('id' => 'insert-toc', 'desc' => esc_html__('Insert table of contents.', 'ez_toc'), 'default' => $insert), $insert);
}
?>
</td>
</tr>
<tr>
<th scope="row"><?php
esc_html_e('Advanced:', 'ez_toc');
?>
</th>
<td>
<?php
ezTOC_Option::descriptive_text(array('id' => 'exclude-desc', 'name' => '', 'desc' => '<p><strong>' . esc_html__('NOTE:', 'ez_toc') . '</strong></p>' . '<ul>' . '<li>' . esc_html__('Using the advanced options below will override the global advanced settings.', 'ez_toc') . '</li>' . '</ul>'));
?>
</td>
</tr>
<tr>
<th scope="row"><?php
esc_html_e('Headings:', 'ez_toc');
?>
</th>
<td>
<?php
ezTOC_Option::checkboxgroup(array('id' => 'heading-levels', 'desc' => esc_html__('Select the heading to consider when generating the table of contents. Deselecting a heading will exclude it.', 'ez_toc'), 'options' => array('1' => __('Heading 1 (h1)', 'ez_toc'), '2' => __('Heading 2 (h2)', 'ez_toc'), '3' => __('Heading 3 (h3)', 'ez_toc'), '4' => __('Heading 4 (h4)', 'ez_toc'), '5' => __('Heading 5 (h5)', 'ez_toc'), '6' => __('Heading 6 (h6)', 'ez_toc')), 'default' => array()), array_map('absint', $headings));
?>
</td>
</tr>
<tr>
<th scope="row"><?php
esc_html_e('Alternate Headings', 'ez_toc');
?>
</th>
<td>
<?php
ezTOC_Option::textarea(array('id' => 'alttext', 'desc' => __('Specify alternate table of contents header string. Add the header to be replaced and the alternate header on a single line separated with a pipe <code>|</code>. Put each additional original and alternate header on its own line.', 'ez_toc'), 'size' => 'large', 'default' => ''), esc_textarea($altText));
?>
</td>
</tr>
<tr>
<th scope="row"></th>
<td>
<?php
ezTOC_Option::descriptive_text(array('id' => 'alttext-desc', 'name' => '', 'desc' => '<p><strong>' . esc_html__('Examples:', 'ez_toc') . '</strong></p>' . '<ul>' . '<li>' . __('<code>Level [1.1]|Alternate TOC Header</code> Replaces Level [1.1] in the table of contents with Alternate TOC Header.', 'ez_toc') . '</li>' . '</ul>' . '<p>' . __('<strong>Note:</strong> This is case sensitive.', 'ez_toc') . '</p>'));
?>
</td>
</tr>
<tr>
<th scope="row"><?php
esc_html_e('Exclude Headings', 'ez_toc');
?>
</th>
<td>
<?php
ezTOC_Option::text(array('id' => 'exclude', 'desc' => __('Specify headings to be excluded from appearing in the table of contents. Separate multiple headings with a pipe <code>|</code>. Use an asterisk <code>*</code> as a wildcard to match other text.', 'ez_toc'), 'size' => 'large', 'default' => ''), esc_textarea($exclude));
?>
</td>
</tr>
<tr>
<th scope="row"></th>
<td>
<?php
ezTOC_Option::descriptive_text(array('id' => 'exclude-desc', 'name' => '', 'desc' => '<p><strong>' . esc_html__('Examples:', 'ez_toc') . '</strong></p>' . '<ul>' . '<li>' . __('<code>Fruit*</code> Ignore headings starting with "Fruit".', 'ez_toc') . '</li>' . '<li>' . __('<code>*Fruit Diet*</code> Ignore headings with "Fruit Diet" somewhere in the heading.', 'ez_toc') . '</li>' . '<li>' . __('<code>Apple Tree|Oranges|Yellow Bananas</code> Ignore headings that are exactly "Apple Tree", "Oranges" or "Yellow Bananas".', 'ez_toc') . '</li>' . '</ul>' . '<p>' . __('<strong>Note:</strong> This is not case sensitive.', 'ez_toc') . '</p>'));
?>
</td>
</tr>
</tbody>
</table>
<?php
}