button.php
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<?php
su_add_shortcode(
array(
'id' => 'button',
'callback' => 'su_shortcode_button',
'image' => su_get_plugin_url() . 'admin/images/shortcodes/button.svg',
'name' => __( 'Button', 'shortcodes-ultimate' ),
'type' => 'wrap',
'group' => 'content',
'atts' => array(
'url' => array(
'values' => array(),
'default' => get_option( 'home' ),
'name' => __( 'Link', 'shortcodes-ultimate' ),
'desc' => __( 'Button link', 'shortcodes-ultimate' ),
),
'target' => array(
'type' => 'select',
'values' => array(
'self' => __( 'Open in same tab', 'shortcodes-ultimate' ),
'blank' => __( 'Open in new tab', 'shortcodes-ultimate' ),
),
'default' => 'self',
'name' => __( 'Target', 'shortcodes-ultimate' ),
'desc' => __( 'Button link target', 'shortcodes-ultimate' ),
),
'style' => array(
'type' => 'select',
'values' => array(
'default' => __( 'Default', 'shortcodes-ultimate' ),
'flat' => __( 'Flat', 'shortcodes-ultimate' ),
'ghost' => __( 'Ghost', 'shortcodes-ultimate' ),
'soft' => __( 'Soft', 'shortcodes-ultimate' ),
'glass' => __( 'Glass', 'shortcodes-ultimate' ),
'bubbles' => __( 'Bubbles', 'shortcodes-ultimate' ),
'noise' => __( 'Noise', 'shortcodes-ultimate' ),
'stroked' => __( 'Stroked', 'shortcodes-ultimate' ),
'3d' => __( '3D', 'shortcodes-ultimate' ),
),
'default' => 'default',
'name' => __( 'Style', 'shortcodes-ultimate' ),
'desc' => __( 'Button background style preset', 'shortcodes-ultimate' ),
),
'background' => array(
'type' => 'color',
'values' => array(),
'default' => '#2D89EF',
'name' => __( 'Background', 'shortcodes-ultimate' ),
'desc' => __( 'Button background color', 'shortcodes-ultimate' ),
),
'color' => array(
'type' => 'color',
'values' => array(),
'default' => '#FFFFFF',
'name' => __( 'Text color', 'shortcodes-ultimate' ),
'desc' => __( 'Button text color', 'shortcodes-ultimate' ),
),
'size' => array(
'type' => 'slider',
'min' => 1,
'max' => 20,
'step' => 1,
'default' => 3,
'name' => __( 'Size', 'shortcodes-ultimate' ),
'desc' => __( 'Button size', 'shortcodes-ultimate' ),
),
'wide' => array(
'type' => 'bool',
'default' => 'no',
'name' => __( 'Fluid', 'shortcodes-ultimate' ),
'desc' => __( 'Fluid buttons has 100% width', 'shortcodes-ultimate' ),
),
'center' => array(
'type' => 'bool',
'default' => 'no',
'name' => __( 'Centered', 'shortcodes-ultimate' ),
'desc' => __( 'Is button centered on the page', 'shortcodes-ultimate' ),
),
'radius' => array(
'type' => 'select',
'values' => array(
'auto' => __( 'Auto', 'shortcodes-ultimate' ),
'round' => __( 'Round', 'shortcodes-ultimate' ),
'0' => __( 'Square', 'shortcodes-ultimate' ),
'5' => '5px',
'10' => '10px',
'20' => '20px',
),
'default' => 'auto',
'name' => __( 'Radius', 'shortcodes-ultimate' ),
'desc' => __( 'Radius of button corners. Auto-radius calculation based on button size', 'shortcodes-ultimate' ),
),
'icon' => array(
'type' => 'icon',
'default' => '',
'name' => __( 'Icon', 'shortcodes-ultimate' ),
'desc' => __( 'You can upload custom icon for this button or pick a built-in icon', 'shortcodes-ultimate' ),
),
'icon_color' => array(
'type' => 'color',
'default' => '#FFFFFF',
'name' => __( 'Icon color', 'shortcodes-ultimate' ),
'desc' => __( 'This color will be applied to the selected icon. Does not works with uploaded icons', 'shortcodes-ultimate' ),
),
'text_shadow' => array(
'type' => 'shadow',
'default' => 'none',
'name' => __( 'Text shadow', 'shortcodes-ultimate' ),
'desc' => __( 'Button text shadow', 'shortcodes-ultimate' ),
),
'desc' => array(
'default' => '',
'name' => __( 'Description', 'shortcodes-ultimate' ),
'desc' => __( 'Small description under button text. This option is incompatible with icon.', 'shortcodes-ultimate' ),
),
'download' => array(
'default' => '',
'name' => __( 'Download', 'shortcodes-ultimate' ),
'desc' => __( 'The download attribute specifies that the button URL will be downloaded when a user clicks on the button. The value of the attribute will be the name of the downloaded file.', 'shortcodes-ultimate' ),
),
'onclick' => array(
'default' => '',
'name' => __( 'onClick', 'shortcodes-ultimate' ),
'desc' => __( 'Advanced JavaScript code for onClick action', 'shortcodes-ultimate' ),
),
'rel' => array(
'default' => '',
'name' => __( 'Rel attribute', 'shortcodes-ultimate' ),
'desc' => __( 'Here you can add value for the rel attribute.<br>Example values: <b%value>nofollow</b>, <b%value>lightbox</b>', 'shortcodes-ultimate' ),
),
'title' => array(
'default' => '',
'name' => __( 'Title attribute', 'shortcodes-ultimate' ),
'desc' => __( 'Here you can add value for the title attribute', 'shortcodes-ultimate' ),
),
'id' => array(
'default' => '',
'name' => __( 'Button ID', 'shortcodes-ultimate' ),
'desc' => __( 'Custom value for the ID attribute', 'shortcodes-ultimate' ),
),
'class' => array(
'type' => 'extra_css_class',
'name' => __( 'Extra CSS class', 'shortcodes-ultimate' ),
'desc' => __( 'Additional CSS class name(s) separated by space(s)', 'shortcodes-ultimate' ),
'default' => '',
),
),
'content' => __( 'Button text', 'shortcodes-ultimate' ),
'desc' => __( 'Styled button', 'shortcodes-ultimate' ),
'example' => 'buttons',
'icon' => 'heart',
)
);
function su_shortcode_button( $atts = null, $content = null ) {
$atts = shortcode_atts(
array(
'url' => get_option( 'home' ),
'link' => null, // 3.x
'target' => 'self',
'style' => 'default',
'background' => '#2D89EF',
'color' => '#FFFFFF',
'dark' => null, // 3.x
'size' => 3,
'wide' => 'no',
'center' => 'no',
'radius' => 'auto',
'icon' => false,
'icon_color' => '#FFFFFF',
'ts_color' => null, // Dep. 4.3.2
'ts_pos' => null, // Dep. 4.3.2
'text_shadow' => 'none',
'desc' => '',
'download' => '',
'onclick' => '',
'rel' => '',
'title' => '',
'id' => '',
'class' => '',
),
$atts,
'button'
);
if ( $atts['link'] !== null ) {
$atts['url'] = $atts['link'];
}
if ( $atts['dark'] !== null ) {
$atts['background'] = $atts['color'];
$atts['color'] = ( $atts['dark'] ) ? '#000' : '#fff';
}
// 3.x
if ( is_numeric( $atts['style'] ) ) {
$atts['style'] = str_replace( array( '1', '2', '3', '4', '5' ), array( 'default', 'glass', 'bubbles', 'noise', 'stroked' ), $atts['style'] );
}
// Prepare vars
$a_css = array();
$span_css = array();
$img_css = array();
$small_css = array();
$radius = '0px';
$before = $after = '';
// Text shadow values
$shadows = array(
'none' => '0 0',
'top' => '0 -1px',
'right' => '1px 0',
'bottom' => '0 1px',
'left' => '-1px 0',
'top-right' => '1px -1px',
'top-left' => '-1px -1px',
'bottom-right' => '1px 1px',
'bottom-left' => '-1px 1px',
);
// Sanitize the size value
$atts['size'] = intval( $atts['size'] );
// Common styles for button
$styles = array(
'size' => round( ( $atts['size'] + 7 ) * 1.3 ),
'ts_color' => ( $atts['ts_color'] === 'light' ) ? su_adjust_lightness( $atts['background'], 50 ) : su_adjust_lightness( $atts['background'], -40 ),
'ts_pos' => ( $atts['ts_pos'] !== null ) ? $shadows[ $atts['ts_pos'] ] : $shadows['none'],
);
// Calculate border-radius
if ( $atts['radius'] == 'auto' ) {
$radius = round( $atts['size'] + 2 ) . 'px';
} elseif ( $atts['radius'] == 'round' ) {
$radius = round( ( ( $atts['size'] * 2 ) + 2 ) * 2 + $styles['size'] ) . 'px';
} elseif ( is_numeric( $atts['radius'] ) ) {
$radius = intval( $atts['radius'] ) . 'px';
}
// CSS rules for <a> tag
$a_rules = array(
'color' => $atts['color'],
'background-color' => $atts['background'],
'border-color' => su_adjust_lightness( $atts['background'], -20 ),
'border-radius' => $radius,
'-moz-border-radius' => $radius,
'-webkit-border-radius' => $radius,
);
// CSS rules for <span> tag
$span_rules = array(
'color' => $atts['color'],
'padding' => ( $atts['icon'] ) ? round( ( $atts['size'] ) / 2 + 4 ) . 'px ' . round( $atts['size'] * 2 + 10 ) . 'px' : '0px ' . round( $atts['size'] * 2 + 10 ) . 'px',
'font-size' => $styles['size'] . 'px',
'line-height' => ( $atts['icon'] ) ? round( $styles['size'] * 1.5 ) . 'px' : round( $styles['size'] * 2 ) . 'px',
'border-color' => su_adjust_lightness( $atts['background'], 30 ),
'border-radius' => $radius,
'-moz-border-radius' => $radius,
'-webkit-border-radius' => $radius,
'text-shadow' => $styles['ts_pos'] . ' 1px ' . $styles['ts_color'],
'-moz-text-shadow' => $styles['ts_pos'] . ' 1px ' . $styles['ts_color'],
'-webkit-text-shadow' => $styles['ts_pos'] . ' 1px ' . $styles['ts_color'],
);
// Apply new text-shadow value
if ( $atts['ts_color'] === null && $atts['ts_pos'] === null ) {
$span_rules['text-shadow'] = $atts['text_shadow'];
$span_rules['-moz-text-shadow'] = $atts['text_shadow'];
$span_rules['-webkit-text-shadow'] = $atts['text_shadow'];
}
// CSS rules for <img> tag
$img_rules = array(
'width' => round( $styles['size'] * 1.5 ) . 'px',
'height' => round( $styles['size'] * 1.5 ) . 'px',
);
// CSS rules for <small> tag
$small_rules = array(
'padding-bottom' => round( ( $atts['size'] ) / 2 + 4 ) . 'px',
'color' => $atts['color'],
);
// Create style attr value for <a> tag
foreach ( $a_rules as $a_rule => $a_value ) {
$a_css[] = $a_rule . ':' . $a_value;
}
// Create style attr value for <span> tag
foreach ( $span_rules as $span_rule => $span_value ) {
$span_css[] = $span_rule . ':' . $span_value;
}
// Create style attr value for <img> tag
foreach ( $img_rules as $img_rule => $img_value ) {
$img_css[] = $img_rule . ':' . $img_value;
}
// Create style attr value for <img> tag
foreach ( $small_rules as $small_rule => $small_value ) {
$small_css[] = $small_rule . ':' . $small_value;
}
// Prepare button classes
$classes = array( 'su-button', 'su-button-style-' . $atts['style'] );
// Additional classes
if ( $atts['class'] ) {
$classes[] = $atts['class'];
}
// Wide class
if ( $atts['wide'] === 'yes' ) {
$classes[] = 'su-button-wide';
}
// Prepare icon
if ( $atts['icon'] ) {
if ( strpos( $atts['icon'], 'icon:' ) !== false ) {
$icon = '<i class="sui sui-' . esc_attr( trim( str_replace( 'icon:', '', $atts['icon'] ) ) ) . '" style="font-size:' . $styles['size'] . 'px;color:' . esc_attr( $atts['icon_color'] ) . '"></i>';
su_query_asset( 'css', 'su-icons' );
} else {
$icon = '<img src="' . esc_attr( $atts['icon'] ) . '" alt="' . esc_attr( $content ) . '" style="' . implode( ';', $img_css ) . '" />';
}
} else {
$icon = '';
}
// Prepare <small> with description
$desc = $atts['desc']
? '<small style="' . esc_attr( implode( ';', $small_css ) ) . '">' . su_do_attribute( $atts['desc'] ) . '</small>'
: '';
// Wrap with div if button centered
if ( $atts['center'] === 'yes' ) {
$before .= '<div class="su-button-center">';
$after .= '</div>';
}
// Replace icon marker in content,
// add float-icon class to rearrange margins
if ( strpos( $content, '%icon%' ) !== false ) {
$content = str_replace( '%icon%', $icon, $content );
$classes[] = 'su-button-float-icon';
}
// Button text has no icon marker, append icon to begin of the text
else {
$content = $icon . ' ' . $content;
}
// Prepare onclick action
if ( $atts['onclick'] && ! su_is_unsafe_features_enabled() ) {
return su_error_message(
'Button',
sprintf(
'%s.<br><a href="https://getshortcodes.com/docs/unsafe-features/" target="_blank">%s</a>',
// translators: do not translate the <b>onclick</b> part, the <b>Unsafe features</b> must be translated
__( 'The <b>onclick</b> attribute cannot be used while <b>Unsafe features</b> option is turned off', 'shortcodes-ultimate' ),
__( 'Learn more', 'shortcodes-ultimate' )
)
);
}
if ( $atts['onclick'] ) {
$atts['onclick'] = ' onClick="' . $atts['onclick'] . '"';
}
// Set rel attribute to `noopener noreferrer` if it's empty and target=blank
if ( 'blank' === $atts['target'] && '' === $atts['rel'] ) {
$atts['rel'] = 'noopener noreferrer';
}
// Prepare download attribute
$atts['download'] = $atts['download']
? ' download="' . esc_attr( $atts['download'] ) . '"'
: '';
// Prepare rel attribute
$atts['rel'] = $atts['rel']
? ' rel="' . esc_attr( $atts['rel'] ) . '"'
: '';
// Prepare title attribute
$atts['title'] = $atts['title']
? ' title="' . esc_attr( su_do_attribute( $atts['title'] ) ) . '"'
: '';
// Add ID attribute
$atts['id'] = ! empty( $atts['id'] )
? sprintf( ' id="%s"', esc_attr( $atts['id'] ) )
: '';
su_query_asset( 'css', 'su-shortcodes' );
return $before . '<a href="' . esc_attr( su_do_attribute( $atts['url'] ) ) . '" class="' . esc_attr( implode( ' ', $classes ) ) . '" style="' . esc_attr( implode( ';', $a_css ) ) . '" target="_' . esc_attr( $atts['target'] ) . '"' . $atts['onclick'] . $atts['rel'] . $atts['title'] . $atts['id'] . $atts['download'] . '><span style="' . esc_attr( implode( ';', $span_css ) ) . '">' . do_shortcode( stripcslashes( $content ) ) . $desc . '</span></a>' . $after;
}