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Filename : functions-widgets.php
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<?php /* Copyrights (C) Arb4Host Network */ ?>
<?php

function a4h_widget_case($sidebars_widgets) {
	if ( is_admin() ) {
		return $sidebars_widgets;
	}
	foreach ( $sidebars_widgets as $sidebar_id => $sidebar_widgets ) {
		if ( $sidebar_id == 'wp_inactive_widgets' || empty($sidebar_widgets) ) {
			continue;
		}
		foreach ( $sidebar_widgets as $index => $widget_id ) {
			$widget_base = _get_widget_id_base($widget_id);
			$widget_base_instance = get_option('widget_'.$widget_base);
			$widget_number = str_replace($widget_base.'-', '', $widget_id);
			$widget_instance = $widget_base_instance[$widget_number];
			$widget_case_field = !empty($widget_instance['widget_case']) ? $widget_instance['widget_case'] : true;
			$widget_case = eval("return ($widget_case_field);");
			if ( !$widget_case ) {
				unset($sidebars_widgets[$sidebar_id][$index]);
			}
		}
	}
	return $sidebars_widgets;
}
add_filter('sidebars_widgets', 'a4h_widget_case');

function a4h_empty_widget_title_detect($title, $instance = array()) {
	return empty($instance['title']) ? '' : $title;
}
add_filter('widget_title', 'a4h_empty_widget_title_detect', 10, 2);

function a4h_widget_title_vars($title, $instance = array()) {
	$categories = get_the_category();
	if ( $categories ) {
		$category_id = $categories[0]->cat_ID;
		$current_cat = get_cat_name($category_id);
		$title = str_replace("%%التصنيف%%", $current_cat, $title);
	}
	return $title;
}
add_filter('widget_title', 'a4h_widget_title_vars', 10, 2);

function a4h_dynamic_sidebar_params($params) {
    global $wp_registered_widgets;
    $settings_getter = $wp_registered_widgets[$params[0]['widget_id']]['callback'][0];
	if ( !is_object($settings_getter) ) {
		return $params;
	}
    $instance = $settings_getter->get_settings();
    $instance = $instance[$params[1]['number']];
	$widget_id = $params[0]['widget_id'];
	$class = array();
	$class[] = empty($instance['title']) ? '' : 'has-title';
	$class[] = empty($instance['widget_width']) ? '' : 'col-lg-'.$instance['widget_width'];
	$class[] = !empty($instance['hide_on']) && $instance['hide_on'] == 'mobile' ? 'd-none d-lg-flex' : '';
	$class[] = !empty($instance['hide_on']) && $instance['hide_on'] == 'desktop' ? 'd-lg-none' : '';
	$class[] = empty($instance['widget_class']) ? '' : $instance['widget_class'];
	$class = implode(' ', array_filter($class));
	$params[0]['before_widget'] = preg_replace('/(class="[^"]*)/', "$1 $class", $params[0]['before_widget'], 1);
	$params[0]['before_widget'] .= empty($instance['title']) ? '<div class="widget-content">' : '';
	return $params;
}
add_filter('dynamic_sidebar_params', 'a4h_dynamic_sidebar_params');

function a4h_in_widget_form_update($instance, $new_instance, $old_instance) {
	$instance['widget_width'] = $new_instance['widget_width'];
	$instance['widget_case'] = sanitize_text_field($new_instance['widget_case']);
	$instance['hide_on'] = $new_instance['hide_on'];
	$instance['widget_class'] = sanitize_text_field($new_instance['widget_class']);
	return $instance;
}
add_filter('widget_update_callback', 'a4h_in_widget_form_update', 5, 3);

function a4h_in_widget_form($t, $return, $instance) {
	$widget_width = empty($instance['widget_width']) ? '' : $instance['widget_width'];
	$hide_on = empty($instance['hide_on']) ? '' : $instance['hide_on'];
	$widget_class = empty($instance['widget_class']) ? '' : $instance['widget_class'];	
	$widget_case = empty($instance['widget_case']) ? '' : $instance['widget_case'];	
	?>
	<div style="margin: 10px 0px; padding: 0px 10px; background: #EEEEEE; overflow: hidden;">
		<p>
			<label for="<?php echo $t->get_field_id('widget_width'); ?>"><?php _e('Widget Width', THEME_TEXT_DOMAIN); ?>:</label>
			<select id="<?php echo $t->get_field_id('widget_width'); ?>" name="<?php echo $t->get_field_name('widget_width'); ?>">
			<?php
			$options = range(12,1);
			foreach ( $options as $option ) {
				?>
					<option <?php selected($option, $widget_width); ?> value="<?php echo $option; ?>"><?php echo $option; ?>/12</option>
				<?php
			}
			?>
			</select>
		</p>
	</div>
	<div style="margin: 10px 0px; padding: 0px 10px; background: #EEEEEE; overflow: hidden;">
		<p>
			<label for="<?php echo $t->get_field_id('hide_on'); ?>">إخفاء على:</label>
			<select id="<?php echo $t->get_field_id('hide_on'); ?>" name="<?php echo $t->get_field_name('hide_on'); ?>">
				<option value="">----------</option>
				<option <?php selected('mobile', $hide_on); ?> value="mobile">الموبايل</option>
				<option <?php selected('desktop', $hide_on); ?> value="desktop">الكمبيوتر</option>
			</select>
		</p>
	</div>
	<div style="margin: 10px 0px; padding: 0px 10px; background: #EEEEEE; overflow: hidden;">
		<p>
			<label for="<?php echo $t->get_field_id('widget_class'); ?>">CSS Class:</label>
			<input class="widefat ltr" type="text" id="<?php echo $t->get_field_id('widget_class'); ?>" name="<?php echo $t->get_field_name('widget_class'); ?>" value="<?php echo $widget_class; ?>" />
		</p>
	</div>
	<div style="margin: 10px 0px; padding: 0px 10px; background: #EEEEEE; overflow: hidden;">
		<p>
			<label for="<?php echo $t->get_field_id('widget_case'); ?>">Conditional Tags:</label>
			<input class="widefat ltr" type="text" id="<?php echo $t->get_field_id('widget_case'); ?>" name="<?php echo $t->get_field_name('widget_case'); ?>" value="<?php echo $widget_case; ?>" />
		</p>
	</div>
	<?php
    return array($t, $return, $instance);
}
add_action('in_widget_form', 'a4h_in_widget_form', 5, 3);

function a4h_widgets_input_fields($_this, $instance, $type, $slug, $title, $data = array()) {
	
	$instance[$slug] = isset($instance[$slug]) ? $instance[$slug] : '';
	
	if ( $type == 'text') {
		?>
		<p>
			<?php if ( $title ) { ?><label for="<?php echo $_this->get_field_id($slug); ?>"><?php echo $title; ?>:</label><?php } ?>
			<?php if ( !empty($data['prepend']) ) echo $data['prepend']; ?>
			<input type="text" id="<?php echo $_this->get_field_id($slug); ?>" name="<?php echo $_this->get_field_name($slug); ?>" class="widefat <?php if ( !empty($data['class']) ) echo $data['class']; ?>" placeholder="<?php if ( !empty($data['placeholder']) ) echo $data['placeholder']; ?>" value="<?php echo $instance[$slug]; ?>" />
			<?php if ( !empty($data['append']) ) echo $data['append']; ?>
		</p>
		<?php
	}
	if ( $type == 'checkbox') {
        ?>
        <p>
            <input type="checkbox" id="<?php echo $_this->get_field_id($slug); ?>" name="<?php echo $_this->get_field_name($slug); ?>" value="1" <?php checked(1, $instance[$slug]); ?>><?php if ( $title ) { ?><label for="<?php echo $_this->get_field_id($slug); ?>"><?php echo $title; ?></label><?php } ?>
        </p>
        <?php
    }
	if ( $type == 'textarea') {
        ?>
        <p>
            <?php if ( $title ) { ?><label for="<?php echo $_this->get_field_id($slug); ?>"><?php echo $title; ?>:</label><?php } ?>
            <textarea id="<?php echo $_this->get_field_id($slug); ?>" name="<?php echo $_this->get_field_name($slug); ?>" class="widefat <?php if ( !empty($data['class']) ) echo $data['class']; ?>" placeholder="<?php if ( !empty($data['placeholder']) ) echo $data['placeholder']; ?>" cols="<?php if ( !empty($data['cols']) ) echo $data['cols']; ?>" rows="<?php if ( !empty($data['rows']) ) echo $data['rows']; ?>"><?php echo $instance[$slug]; ?></textarea>
        </p>
        <?php
    }
	if ( $type == 'select') {
        ?>
        <p>
            <?php if ( $title ) { ?><label for="<?php echo $_this->get_field_id($slug); ?>"><?php echo $title; ?>:</label><?php } ?>
            <select id="<?php echo $_this->get_field_id($slug); ?>" name="<?php echo $_this->get_field_name($slug); ?>" class="widefat <?php if ( !empty($data['class']) ) echo $data['class']; ?>">
				<?php $options = !empty($data['options']) ? $data['options'] : ''; ?>
                <?php foreach ( $options as $option_slug => $option_title ) { ?>
						<?php if ( strpos($option_slug, '_group_start_') !== false ) { ?>
					 <optgroup label="<?php echo $option_title; ?>">
						<?php } ?>
						<?php if ( strpos($option_slug, '_group_start_') === false && strpos($option_slug, '_group_end_') === false ) { ?>
                    <option <?php selected($option_slug, $instance[$slug]); ?> value="<?php echo $option_slug; ?>"><?php echo $option_title; ?></option>
						<?php } ?>
						<?php if ( strpos($option_slug, '_group_end_') !== false ) { ?>
					</optgroup>
						<?php } ?>
                <?php } ?>
            </select>
        </p>
        <?php
    }
	if ( $type == 'upload') {
		?>
		<p>
			<?php if ( $title ) { ?><label for="<?php echo $_this->get_field_id($slug); ?>"><?php echo $title; ?>:</label><?php } ?>
			<?php if ( !empty($data['prepend']) ) echo $data['prepend']; ?>
			<input type="text" class="widefat ltr mz-image-src" placeholder="http://" value="<?php echo !empty($instance[$slug]['src']) ? $instance[$slug]['src'] : ''; ?>" disabled="disabled" />
			<input type="button" class="button button-secondary upload-image-button" value="اختيار صورة" />
			<?php if ( !empty($data['append']) ) echo $data['append']; ?>
			<span class="mz-image-preview <?php if ( !empty($instance[$slug]['src']) ) { echo 'active'; } ?>">
				<img src="<?php if ( !empty($instance[$slug]['src']) ) { echo $instance[$slug]['src']; } ?>" />
				<input type="button" class="button button-secondary remove-image-button" value="إزالة الصورة" style="vertical-align: text-bottom;" />
			</span>
			<input type="hidden" class="mz-image-src" name="<?php echo $_this->get_field_name($slug); ?>[src]" value="<?php echo !empty($instance[$slug]['src']) ? $instance[$slug]['src'] : ''; ?>" />
			<input type="hidden" class="mz-image-width" name="<?php echo $_this->get_field_name($slug); ?>[width]" value="<?php echo !empty($instance[$slug]['width']) ? $instance[$slug]['width'] : ''; ?>" />
			<input type="hidden" class="mz-image-height" name="<?php echo $_this->get_field_name($slug); ?>[height]" value="<?php echo !empty($instance[$slug]['height']) ? $instance[$slug]['height'] : ''; ?>" />
			<input type="hidden" class="mz-image-id" name="<?php echo $_this->get_field_name($slug); ?>[id]" value="<?php echo !empty($instance[$slug]['id']) ? $instance[$slug]['id'] : ''; ?>" />
		</p>
		<?php
	}
	if ( $type == 'number') {
		?>
		<p>
			<?php if ( $title ) { ?><label for="<?php echo $_this->get_field_id($slug); ?>"><?php echo $title; ?>:</label><?php } ?>
			<?php if ( !empty($data['prepend']) ) echo $data['prepend']; ?>
			<input type="number" id="<?php echo $_this->get_field_id($slug); ?>" name="<?php echo $_this->get_field_name($slug); ?>" class="widefat <?php if ( !empty($data['class']) ) echo $data['class']; ?>" placeholder="<?php if ( !empty($data['placeholder']) ) echo $data['placeholder']; ?>" value="<?php echo $instance[$slug]; ?>" />
			<?php if ( !empty($data['append']) ) echo $data['append']; ?>
		</p>
		<?php
	}
}

function a4h_widget_options_functions($_this, $instance, $type) {
	if ( $type == 'select_category') {
		$instance['cat'] = isset($instance['cat']) ? $instance['cat'] : '';
        ?>
        <p>
            <label for="<?php echo $_this->get_field_id('cat'); ?>"><?php _e('Selected Category', THEME_TEXT_DOMAIN); ?>:</label>
			<?php $categories = get_categories('hide_empty=0&orderby=name'); ?>	
            <select id="<?php echo $_this->get_field_id('cat'); ?>" name="<?php echo $_this->get_field_name('cat'); ?>" class="widefat">
				<?php foreach ( $categories as $category ) { ?>
					<option <?php selected($category->term_id, $instance['cat']); ?> value="<?php echo $category->term_id; ?>"><?php echo $category->name; ?></option>
				<?php } ?>
            </select>
        </p>
        <?php
    }
	if ( $type == 'select_categories') {
		$instance['cats'] = isset($instance['cats']) ? $instance['cats'] : array();
        ?>
        <p>
            <label for="<?php echo $_this->get_field_id('cats'); ?>"><?php _e('Selected Categories', THEME_TEXT_DOMAIN); ?>:</label>
			<?php $categories = get_categories('hide_empty=0&orderby=name'); ?>	
            <select id="<?php echo $_this->get_field_id('cats'); ?>" name="<?php echo $_this->get_field_name('cats'); ?>[]" class="widefat" multiple="multiple" size="10">
				<option <?php selected(1, in_array('all', $instance['cats'])); ?> value="all">-- <?php _e('All Categories', THEME_TEXT_DOMAIN); ?> --</option>
				<option <?php selected(1, in_array('current', $instance['cats'])); ?> value="current">-- <?php _e('Current category', THEME_TEXT_DOMAIN); ?> --</option>
				<?php foreach ( $categories as $category ) { ?>
					<option <?php selected(1, in_array($category->term_id, $instance['cats'])); ?> value="<?php echo $category->term_id; ?>"><?php echo $category->name; ?></option>
				<?php } ?>
            </select>
        </p>
        <?php
    }
	if ( $type == 'select_taxonomy') {
		$instance['tax'] = isset($instance['tax']) ? $instance['tax'] : '';
        ?>
        <p>
            <label for="<?php echo $_this->get_field_id('tax'); ?>"><?php _e('Taxonomy', THEME_TEXT_DOMAIN); ?>:</label>
			<?php $taxonomies = get_taxonomies(array('public' => true)); ?>
            <select id="<?php echo $_this->get_field_id('tax'); ?>" name="<?php echo $_this->get_field_name('tax'); ?>" class="widefat">
				<?php foreach ( $taxonomies as $taxonomy ) { ?>
					<option <?php selected($taxonomy, $instance['tax']); ?> value="<?php echo $taxonomy; ?>"><?php echo $taxonomy; ?></option>
				<?php } ?>				
            </select>
        </p>
        <?php
    }
}