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<?php
class WTT_Form
{
/**
* @var object Instance of this class
*/
public static $instance;
/**
* Get the singleton instance of this class
*
* @return WTT_Form
*/
public static function get_instance()
{
if (!(self::$instance instanceof self)) {
self::$instance = new self();
}
return self::$instance;
}
/**
* Handles the switch field for the settings page
*
* @param string $var the variable
* @param array $values the options to choose from
* @param null $label
* @param string|null $type the type of wp option to save
*/
public function switch_field($var, $values, $label = null, string $type = null)
{
$option_name = $type;
$options = get_option($option_name);
if (!is_array($values) || $values === array()) {
return;
}
if (!isset($options[$var])) {
$options[$var] = false;
}
if ($options[$var] === true) {
$options[$var] = 'on';
}
if ($options[$var] === false) {
$options[$var] = 'off';
}
$var_esc = esc_attr($var);
echo '<div class="wtt-switch-container">';
echo '<div id="' . $var_esc . '">';
echo $label != null ? '<label class="switch_label"><strong>' . $label . '</strong></label>' : "";
echo '<div class="wtt-switch-field">';
foreach ($values as $key => $value) {
$key_esc = esc_attr($key);
$for = $var_esc . '-' . $key_esc;
echo '<input type="radio" id="' . $for . '" name="' . esc_attr($option_name) . '[' . $var_esc . ']" value="' . $key_esc . '" ' . checked($options[$var], $key_esc, false) . ' />',
'<label class="wtt_switch_label" for="', $for, '">', $value, '</label>';
}
echo '<a></a></div></div><div class="clear"></div></div>' . "\n\n";
}
/**
* Handles the text input fields
*
* @param string $var the variable
* @param string $label the label of the text input field
* @param string $url_example the url example
*/
public function text_input_field($var, $label, $url_example)
{
$option_name = "wtt_social";
$options = get_option($option_name);
$val = (isset($options[$var])) ? $options[$var] : '';
$this->label($label . ':', array('for' => $var));
echo '<div class="wtt-input-group">';
if (!empty($url_example)) {
echo '<span class="wtt-input-group-addon">', $url_example, '</span>';
}
echo '<input class="wtt-form-control" type="text" id="', esc_attr($var), '" name="', esc_attr($option_name), '[', esc_attr($var), ']" value="', esc_attr($val), '"/>', '<br class="clear" />';
echo '</div>';
}
/**
* Displays a label
*
* @param string $text the text to diplay for the label
* @param array $attr attributes for label including for and class
*/
public function label($text, $attr)
{
$attr = wp_parse_args($attr, array(
'for' => '',
'class' => '',
)
);
echo "<label class='". esc_attr($attr['class']) . "' for='" . esc_attr($attr['for']) . "'>$text" . '</label>';
}
/**
* @param $field_name
* @param $field_options
*/
public function select_option_field($field_name, $field_options)
{
$option_name = "wtt_social";
$options = get_option($option_name);
if (empty($options)) {
return;
}
$select_name = esc_attr($option_name) . '[' . esc_attr($field_name) . ']';
$active_option = (isset($options[$field_name])) ? $options[$field_name] : '';
echo '<select name="', esc_attr($select_name), '" id="', esc_attr($field_name), '">';
foreach ($field_options as $option_attr_value => $option_html_value) : ?>
<option value="<?php echo esc_attr($option_attr_value); ?>"<?php echo selected($active_option, $option_attr_value, false); ?>><?php echo esc_html($option_html_value); ?></option>
<?php
endforeach;
echo '</select>';
}
/**
* @param $var
* @param $name
*/
public function checkbox($var, $name)
{
$option_name = "wtt_social";
$options = get_option($option_name);
if (!isset($options[$var])) {
$options[$var] = false;
}
if ($options[$var] === true) {
$options[$var] = 'on';
}
echo '<input class="checkbox" type="checkbox" id="', esc_attr($var), '" name="', esc_attr($option_name), '[', esc_attr($var), ']" value="on"', checked($options[$var], 'on', false), '/>';
echo '<small>' . $name . '</small>';
}
/**
* @param $var
* @param $values
*/
public function radio($var, $values)
{
$option_name = "wtt_settings";
$options = get_option($option_name);
if (!isset($options[$var])) {
$options[$var] = false;
}
if (!is_array($values) || $values === array()) {
return;
};
$var_esc = esc_attr($var);
foreach ($values as $key => $value) {
$key_esc = esc_attr($key);
echo '<input type="radio" class="radio" id="' . $var_esc . '-' . $key_esc . '" name="' . esc_attr($option_name) . '[' . $var_esc . ']" value="' . $key_esc . '" ' . checked($options[$var], $key_esc, false) . ' />';
$this->label(
$value,
array('for' => $var_esc . '-' . $key_esc,
'class' => 'radio',
)
);
}
}
/**
* @param $var
* @param $label
* @param array $attributes
* @param $type
*/
public function text_field($var, $label, $attributes = array(), $type = null)
{
$option_name = $type;
$options = get_option($option_name);
if (!is_array($attributes)) {
$attributes = array(
'class' => $attributes,
);
}
$attributes = wp_parse_args($attributes, array(
'placeholder' => '',
'class' => '',
));
$values = (isset ($options[$var])) ? $options[$var] : '';
$this->label(
$label, array(
'for' => $var,
'class' => 'text_field_label',
)
);
echo '<input class="text_field ' . esc_attr($attributes['class']) . ' " id="' . esc_attr($var) . '" placeholder="' . esc_attr($attributes['placeholder']) . '" type="text" id="', esc_attr($var), '" name="', esc_attr($option_name), '[', esc_attr($var), ']" value="', esc_attr($values), '"/>', '<br class="clear" />';
}
/**
* @param $var
* @param $label
* @param array $attributes
* @param $type
*/
public function text_area($var, $label, $attributes = array(), $type = null)
{
$option_name = $type;
$options = get_option($option_name);
if (!is_array($attributes)) {
$attributes = array(
'class' => $attributes,
);
}
$attributes = wp_parse_args($attributes, array(
'cols' => '',
'rows' => '',
'class' => '',
));
$values = (isset($options[$var])) ? $options[$var] : '';
$this->label(
$label,
array(
'for' => $var,
'class' => 'text_area_label',
)
);
echo '<textarea cols="' . esc_attr($attributes['cols']) . '" rows="' . esc_attr($attributes['rows']) . '" class="text_area ' . esc_attr($attributes['class']) . '" id="' . esc_attr($var) . '" name="' . esc_attr($option_name) . '[' . esc_attr($var) . ']">' . esc_textarea($values) . '</textarea><br class="clear" />';
}
/**
* Displays label and file input field.
*
* @param string $key
* @param string $label
* @param string $type
*/
public static function input_file( $key, $label, $type ) {
$option_name = $type;
$options = get_option($option_name);
$values = (isset($options[$key])) ? $options[$key] : '';
?>
<label class="select" for="<?php echo $key ?>"><?php echo esc_html(wp_strip_all_tags($label)) ?></label>
<input type="text" id="<?php echo $key ?>" name="<?php echo $option_name . '[' . $key . ']'; ?>" value="<?php echo esc_attr( $values ); ?>">
<input id="wtt_knowledgegraph-image_button" class="wtt_image_upload_button button" type="button" value="Upload image">
<?php
}
}