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<?php |
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/** |
| 3 |
* Button Style for Global Injector |
| 4 |
* |
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* Defines the JSON schema, icons, and rendering logic for the Button visual style. |
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* This class serves as the single source of truth for both PHP (frontend) and JS (admin preview). |
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* |
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* @package CTC |
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* @since 5.0.0 |
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*/ |
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|
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namespace CTC\Global_Injector\Styles; |
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|
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/** |
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* Button Style Class |
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*/ |
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class Button { |
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|
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/** |
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* Get the default configuration for button style. |
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* |
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* This is the single source of truth for the button JSON schema. |
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* Used by both PHP renderer and localized to JS for admin preview. |
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* |
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* @return array Default button configuration. |
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*/ |
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public static function get_default_config() { |
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return [ |
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'text' => [ |
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'button_text' => 'Copy Code', |
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'success_text' => 'Copied!', |
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], |
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'icon' => [ |
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'enabled' => true, |
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'position' => 'left', // 'left' or 'right' |
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'icon_key' => 'clipboard', |
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'custom_url' => null, // Pro feature: custom icon URL |
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], |
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'style' => [ |
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'text_color' => '#ffffff', |
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'background_color' => '#4f46e5', |
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'hover_background_color' => '#4338ca', |
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'font_size' => '12px', |
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'font_weight' => '700', |
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'padding_x' => '12px', |
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'padding_y' => '6px', |
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'border_radius' => '6px', |
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], |
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]; |
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} |
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|
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/** |
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* Get available icons for button style. |
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* |
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* Each icon has a key and SVG markup. |
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* The key is stored in config, SVG is used for rendering. |
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* |
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* @return array Array of icons with key => SVG markup. |
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*/ |
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public static function get_icons() { |
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return [ |
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'clipboard' => [ |
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'label' => 'Clipboard', |
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'svg' => '<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8 16H6a2 2 0 01-2-2V6a2 2 0 012-2h8a2 2 0 012 2v2m-6 12h8a2 2 0 002-2v-8a2 2 0 00-2-2h-8a2 2 0 00-2 2v8a2 2 0 002 2z"/></svg>', |
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], |
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'copy' => [ |
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'label' => 'Copy', |
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'svg' => '<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2m0 0h2a2 2 0 012 2v3m2 4H10m0 0l3-3m-3 3l3 3"/></svg>', |
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], |
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'paperclip' => [ |
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'label' => 'Attachment', |
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'svg' => '<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15.172 7l-6.586 6.586a2 2 0 102.828 2.828l6.414-6.586a4 4 0 00-5.656-5.656l-6.415 6.585a6 6 0 108.486 8.486L20.5 13"/></svg>', |
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], |
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'link' => [ |
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'label' => 'Link', |
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'svg' => '<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M13.828 10.172a4 4 0 00-5.656 0l-4 4a4 4 0 105.656 5.656l1.102-1.101m-.758-4.899a4 4 0 005.656 0l4-4a4 4 0 00-5.656-5.656l-1.1 1.1"/></svg>', |
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], |
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'document' => [ |
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'label' => 'Document', |
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'svg' => '<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 12h6m-6 4h6m2 5H7a2 2 0 01-2-2V5a2 2 0 012-2h5.586a1 1 0 01.707.293l5.414 5.414a1 1 0 01.293.707V19a2 2 0 01-2 2z"/></svg>', |
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], |
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'check' => [ |
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'label' => 'Checkmark', |
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'svg' => '<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 13l4 4L19 7"/></svg>', |
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], |
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]; |
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} |
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|
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/** |
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* Get success icon (shown after copy). |
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* |
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* @return string SVG markup for success icon. |
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*/ |
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public static function get_success_icon() { |
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return '<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 13l4 4L19 7"/></svg>'; |
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} |
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|
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/** |
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* Generate a unique button ID. |
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* |
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* @return string Unique button ID. |
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*/ |
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public static function generate_button_id() { |
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return 'ctc-copy-btn-' . wp_generate_password( 8, false, false ); |
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} |
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|
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/** |
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* Merge user config with defaults. |
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* |
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* @param array $user_config User-provided configuration. |
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* @return array Merged configuration. |
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*/ |
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public static function merge_config( $user_config = [] ) { |
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$defaults = self::get_default_config(); |
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|
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// Deep merge |
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$merged = $defaults; |
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|
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if ( isset( $user_config['text'] ) && is_array( $user_config['text'] ) ) { |
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$merged['text'] = array_merge( $defaults['text'], $user_config['text'] ); |
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} |
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|
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if ( isset( $user_config['icon'] ) && is_array( $user_config['icon'] ) ) { |
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$merged['icon'] = array_merge( $defaults['icon'], $user_config['icon'] ); |
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} |
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|
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if ( isset( $user_config['style'] ) && is_array( $user_config['style'] ) ) { |
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$merged['style'] = array_merge( $defaults['style'], $user_config['style'] ); |
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} |
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|
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return $merged; |
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} |
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|
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/** |
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* Get the icon SVG by key. |
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* |
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* @param string $icon_key Icon key. |
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* @return string SVG markup or empty string if not found. |
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*/ |
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public static function get_icon_svg( $icon_key ) { |
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$icons = self::get_icons(); |
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|
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if ( isset( $icons[ $icon_key ]['svg'] ) ) { |
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return $icons[ $icon_key ]['svg']; |
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} |
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|
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// Fallback to clipboard icon |
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return $icons['clipboard']['svg']; |
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} |
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|
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/** |
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* Darken a hex color by a percentage. |
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* |
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* @param string $hex Hex color (e.g., '#4f46e5'). |
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* @param int $percent Percentage to darken (0-100). |
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* @return string Darkened hex color. |
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*/ |
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public static function darken_color( $hex, $percent = 10 ) { |
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// Remove # if present. |
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$hex = ltrim( $hex, '#' ); |
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|
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// Parse hex to RGB. |
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$r = hexdec( substr( $hex, 0, 2 ) ); |
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$g = hexdec( substr( $hex, 2, 2 ) ); |
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$b = hexdec( substr( $hex, 4, 2 ) ); |
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|
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// Darken each channel. |
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$factor = 1 - ( $percent / 100 ); |
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$r = (int) round( $r * $factor ); |
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$g = (int) round( $g * $factor ); |
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$b = (int) round( $b * $factor ); |
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|
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// Ensure values are in valid range. |
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$r = max( 0, min( 255, $r ) ); |
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$g = max( 0, min( 255, $g ) ); |
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$b = max( 0, min( 255, $b ) ); |
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|
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// Convert back to hex. |
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return '#' . sprintf( '%02x%02x%02x', $r, $g, $b ); |
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} |
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|
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/** |
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* Build inline CSS variables from style config. |
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* Auto-calculates hover background if not provided (darkens by 12%). |
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* |
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* @param array $style Style configuration. |
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* @return string Inline style attribute value. |
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*/ |
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public static function build_inline_styles( $style ) { |
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// Auto-calculate hover background if not provided. |
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$bg_color = isset( $style['background_color'] ) ? $style['background_color'] : '#4f46e5'; |
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$hover_bg = isset( $style['hover_background_color'] ) && ! empty( $style['hover_background_color'] ) |
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? $style['hover_background_color'] |
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: self::darken_color( $bg_color, 12 ); |
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|
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$css_vars = [ |
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'--ctc-text-color' => $style['text_color'], |
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'--ctc-bg' => $bg_color, |
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'--ctc-hover-bg' => $hover_bg, |
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'--ctc-font-size' => $style['font_size'], |
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'--ctc-font-weight' => $style['font_weight'], |
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'--ctc-padding-x' => $style['padding_x'], |
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'--ctc-padding-y' => $style['padding_y'], |
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'--ctc-border-radius' => $style['border_radius'], |
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]; |
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|
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// Map CSS var names to property keys for unit detection. |
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$var_to_prop = [ |
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'--ctc-font-size' => 'font_size', |
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'--ctc-padding-x' => 'padding_x', |
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'--ctc-padding-y' => 'padding_y', |
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'--ctc-border-radius' => 'border_radius', |
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]; |
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|
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$inline = []; |
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foreach ( $css_vars as $var => $value ) { |
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// Add 'px' unit for numeric properties. |
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if ( isset( $var_to_prop[ $var ] ) && is_numeric( $value ) ) { |
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$value = $value . 'px'; |
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} |
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$inline[] = esc_attr( $var ) . ': ' . esc_attr( $value ); |
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} |
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|
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return implode( '; ', $inline ); |
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} |
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|
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/** |
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* Render the button HTML. |
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* |
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* This is the main render function used on the frontend. |
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* The same logic should be replicated in JS for admin preview. |
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* |
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* @param array $config Button configuration (merged with defaults). |
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* @param string $button_id Optional. Unique button ID. Auto-generated if not provided. |
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* @return string Button HTML markup. |
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*/ |
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public static function render( $config = [], $button_id = null ) { |
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// Merge with defaults |
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$config = self::merge_config( $config ); |
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|
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// Generate button ID if not provided |
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if ( empty( $button_id ) ) { |
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$button_id = self::generate_button_id(); |
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} |
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|
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// Get icon SVG |
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$icon_svg = ''; |
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if ( $config['icon']['enabled'] ) { |
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if ( ! empty( $config['icon']['custom_url'] ) ) { |
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// Pro feature: custom icon |
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$icon_svg = '<img src="' . esc_url( $config['icon']['custom_url'] ) . '" alt="" class="ctc-btn-icon" />'; |
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} else { |
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$icon_svg = '<span class="ctc-btn-icon">' . self::get_icon_svg( $config['icon']['icon_key'] ) . '</span>'; |
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} |
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} |
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|
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// Build inline styles |
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$inline_styles = self::build_inline_styles( $config['style'] ); |
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|
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// Build button content based on icon position |
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$button_content = ''; |
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if ( $config['icon']['position'] === 'left' && $icon_svg ) { |
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$button_content .= $icon_svg; |
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} |
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$button_content .= '<span class="ctc-btn-text">' . esc_html( $config['text']['button_text'] ) . '</span>'; |
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if ( $config['icon']['position'] === 'right' && $icon_svg ) { |
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$button_content .= $icon_svg; |
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} |
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|
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// Build the button HTML |
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$html = sprintf( |
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'<button id="%s" class="ctc-copy-button" style="%s" data-success-text="%s" data-original-text="%s" aria-label="%s">%s</button>', |
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esc_attr( $button_id ), |
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esc_attr( $inline_styles ), |
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esc_attr( $config['text']['success_text'] ), |
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esc_attr( $config['text']['button_text'] ), |
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esc_attr( $config['text']['button_text'] ), |
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$button_content |
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); |
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|
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return $html; |
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} |
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|
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/** |
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* Get base CSS for button style. |
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* |
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* This CSS uses CSS variables that are set inline on each button. |
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* These are the "hidden" styles that users don't customize via UI. |
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* |
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* @return string CSS styles. |
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*/ |
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public static function get_base_css() { |
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return ' |
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.ctc-copy-button { |
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/* User-customizable via CSS variables */ |
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color: var(--ctc-text-color, #ffffff); |
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background-color: var(--ctc-bg, #4f46e5); |
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font-size: var(--ctc-font-size, 12px); |
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font-weight: var(--ctc-font-weight, 700); |
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padding: var(--ctc-padding-y, 6px) var(--ctc-padding-x, 12px); |
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border-radius: var(--ctc-border-radius, 6px); |
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|
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/* Hidden CSS - always applied, not customizable via UI */ |
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display: inline-flex; |
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align-items: center; |
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gap: 4px; |
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border: none; |
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cursor: pointer; |
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transition: background-color 0.2s ease; |
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position: absolute; |
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top: 8px; |
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right: 8px; |
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z-index: 10; |
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font-family: inherit; |
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line-height: 1; |
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} |
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|
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.ctc-copy-button:hover { |
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background-color: var(--ctc-hover-bg, #4338ca); |
| 320 |
} |
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|
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.ctc-copy-button:focus { |
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outline: 2px solid var(--ctc-bg, #4f46e5); |
| 324 |
outline-offset: 2px; |
| 325 |
} |
| 326 |
|
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.ctc-copy-button .ctc-btn-icon { |
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display: inline-flex; |
| 329 |
align-items: center; |
| 330 |
justify-content: center; |
| 331 |
} |
| 332 |
|
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.ctc-copy-button .ctc-btn-icon svg { |
| 334 |
width: 14px; |
| 335 |
height: 14px; |
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} |
| 337 |
|
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.ctc-copy-button .ctc-btn-icon img { |
| 339 |
width: 14px; |
| 340 |
height: 14px; |
| 341 |
object-fit: contain; |
| 342 |
} |
| 343 |
|
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.ctc-copy-button .ctc-btn-text { |
| 345 |
white-space: nowrap; |
| 346 |
} |
| 347 |
|
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/* Success state */ |
| 349 |
.ctc-copy-button.ctc-copied { |
| 350 |
background-color: #059669; |
| 351 |
} |
| 352 |
|
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.ctc-copy-button.ctc-copied:hover { |
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background-color: #047857; |
| 355 |
} |
| 356 |
'; |
| 357 |
} |
| 358 |
|
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/** |
| 360 |
* Get stylesheet CSS for Global Injector (frontend). |
| 361 |
* |
| 362 |
* Used when outputting inline CSS for Global Injector rules. Uses selectors |
| 363 |
* .ctc-copy-btn--button and the same CSS variables as build_inline_styles(). |
| 364 |
* This is the Global Injector counterpart to get_base_css() (which targets .ctc-copy-button for shortcode/block). |
| 365 |
* |
| 366 |
* @return string Unminified CSS. |
| 367 |
*/ |
| 368 |
public static function get_global_injector_css() { |
| 369 |
return ' |
| 370 |
.ctc-copy-btn--button { |
| 371 |
padding: var(--ctc-padding-y, 8px) var(--ctc-padding-x, 16px); |
| 372 |
background: var(--ctc-bg, #4f46e5); |
| 373 |
color: var(--ctc-text-color, #fff); |
| 374 |
border-radius: var(--ctc-border-radius, 6px); |
| 375 |
font-size: var(--ctc-font-size, 13px); |
| 376 |
} |
| 377 |
.ctc-copy-btn--button:hover { |
| 378 |
background: var(--ctc-hover-bg, #4338ca); |
| 379 |
filter: brightness(1.05); |
| 380 |
} |
| 381 |
.ctc-copy-btn__icon { |
| 382 |
display: inline-flex; |
| 383 |
align-items: center; |
| 384 |
justify-content: center; |
| 385 |
flex-shrink: 0; |
| 386 |
} |
| 387 |
.ctc-copy-btn__icon svg { |
| 388 |
width: 14px; |
| 389 |
height: 14px; |
| 390 |
} |
| 391 |
.ctc-copy-btn__text { |
| 392 |
white-space: nowrap; |
| 393 |
} |
| 394 |
'; |
| 395 |
} |
| 396 |
|
| 397 |
/** |
| 398 |
* Get data to localize for JavaScript. |
| 399 |
* |
| 400 |
* This includes everything JS needs to render the button preview. |
| 401 |
* |
| 402 |
* @return array Data for wp_localize_script. |
| 403 |
*/ |
| 404 |
public static function get_localize_data() { |
| 405 |
return [ |
| 406 |
'defaultConfig' => self::get_default_config(), |
| 407 |
'icons' => self::get_icons(), |
| 408 |
'successIcon' => self::get_success_icon(), |
| 409 |
'baseCSS' => self::get_base_css(), |
| 410 |
]; |
| 411 |
} |
| 412 |
} |
| 413 |
|