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<?php |
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|
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namespace FluentCart\App\Services\Theme; |
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|
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use FluentCart\Framework\Support\Arr; |
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|
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/** |
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* The storefront colour registry. |
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* |
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* FluentCart's stylesheets declare roughly seventy scoped custom properties, |
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* but almost every one of them is written as `var(--fct-<global>, <fallback>)`. |
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* The globals listed here are the ones that are referenced but never declared — |
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* they are the intended knobs, and setting them cascades to everything |
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* downstream without touching a single scoped variable. |
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* |
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* This class is the single source of truth for three consumers: the CSS the |
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* storefront prints, the settings schema the admin renders, and the sanitizer |
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* that decides which submitted keys are real. |
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*/ |
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class ColorPalette |
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{ |
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/** |
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* Defaults source: FluentCart's own colours, only overrides are written. |
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*/ |
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const SOURCE_DEFAULT = 'default'; |
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|
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/** |
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* Defaults source: rebuild the whole palette from the active theme. |
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*/ |
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const SOURCE_THEME = 'inherit_from_theme'; |
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|
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/** |
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* Defaults source: the store owner picks the global colours by hand. |
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*/ |
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const SOURCE_CUSTOM = 'customize'; |
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|
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/** |
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* Request-level cache for the built registry. |
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* |
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* @var array|null |
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*/ |
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protected static $cachedGlobals = null; |
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|
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/** |
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* Every accepted value for the source setting. |
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* |
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* @return array |
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*/ |
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public static function sources(): array |
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{ |
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return [self::SOURCE_DEFAULT, self::SOURCE_THEME, self::SOURCE_CUSTOM]; |
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} |
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|
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/** |
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* Field groups, in the order the settings screen shows them. |
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* |
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* @return array |
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*/ |
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public static function groups(): array |
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{ |
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return [ |
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'text' => __('Text', 'fluent-cart'), |
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'surface' => __('Backgrounds and borders', 'fluent-cart'), |
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'button' => __('Buttons', 'fluent-cart'), |
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'input' => __('Form inputs', 'fluent-cart'), |
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]; |
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} |
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|
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/** |
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* The global custom properties a store owner can set. |
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* |
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* Keys are the settings keys (snake_case, safe as form state paths); `var` |
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* is the custom property written to the page. `aliases` covers properties |
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* that carry a second spelling in the stylesheets — the modal checkout |
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* reads `--fct-input-disabled-bg` where every other surface reads |
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* `--fct-input-disabled-bg-color`, and a single setting has to drive both |
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* or the modal drifts away from the rest of the store. |
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* |
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* `default` is the effective value FluentCart's own fallbacks resolve to; |
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* it is shown as a hint and is never written to the page on its own. |
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* |
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* @return array |
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*/ |
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public static function globals(): array |
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{ |
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if (self::$cachedGlobals !== null) { |
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return self::$cachedGlobals; |
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} |
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|
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$globals = [ |
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/* ------------------------------------------------------- Text */ |
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'primary_text_color' => [ |
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'var' => '--fct-primary-text-color', |
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'label' => __('Primary text', 'fluent-cart'), |
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'note' => __('Product titles, prices and headings.', 'fluent-cart'), |
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'group' => 'text', |
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'role' => 'text', |
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], |
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'secondary_text_color' => [ |
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'var' => '--fct-secondary-text-color', |
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'label' => __('Secondary text', 'fluent-cart'), |
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'note' => __('Descriptions, captions and inactive navigation.', 'fluent-cart'), |
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'group' => 'text', |
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'role' => 'text_muted', |
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], |
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'primary_active_text_color' => [ |
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'var' => '--fct-primary-active-text-color', |
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'label' => __('Active text', 'fluent-cart'), |
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'note' => __('The selected step and active links in the checkout.', 'fluent-cart'), |
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'group' => 'text', |
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'role' => 'accent', |
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], |
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|
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/* -------------------------------------- Backgrounds and borders */ |
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'primary_bg_color' => [ |
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'var' => '--fct-primary-bg-color', |
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'label' => __('Primary background', 'fluent-cart'), |
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'note' => __('The brand color behind active states and selected controls.', 'fluent-cart'), |
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'group' => 'surface', |
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'role' => 'accent', |
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], |
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'secondary_bg_color' => [ |
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'var' => '--fct-secondary-bg-color', |
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'label' => __('Secondary background', 'fluent-cart'), |
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'note' => __('The tinted panels behind the shop grid and checkout summary.', 'fluent-cart'), |
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'group' => 'surface', |
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'role' => 'surface_alt', |
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], |
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'border_color' => [ |
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'var' => '--fct-border-color', |
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'label' => __('Border', 'fluent-cart'), |
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'note' => __('Card outlines, input borders and hairlines.', 'fluent-cart'), |
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'group' => 'surface', |
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'role' => 'border', |
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], |
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'active_border_color' => [ |
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'var' => '--fct-active-border-color', |
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'label' => __('Active border', 'fluent-cart'), |
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'note' => __('The outline on a selected variant or payment method.', 'fluent-cart'), |
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'group' => 'surface', |
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'role' => 'accent', |
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], |
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'secondary_active_border_color' => [ |
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'var' => '--fct-secondary-active-border-color', |
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'label' => __('Secondary active border', 'fluent-cart'), |
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'note' => __('The softer active outline used inside the modal checkout.', 'fluent-cart'), |
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'group' => 'surface', |
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'role' => 'accent', |
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], |
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'divider_color' => [ |
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'var' => '--fct-divider-color', |
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'label' => __('Divider', 'fluent-cart'), |
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'note' => __('The lighter rules between rows and sections.', 'fluent-cart'), |
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'group' => 'surface', |
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'role' => 'divider', |
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], |
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'card_bg_color' => [ |
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'var' => '--fct-card-bg-color', |
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'label' => __('Card background', 'fluent-cart'), |
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'note' => __('The surface behind product cards and panels.', 'fluent-cart'), |
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'group' => 'surface', |
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'role' => 'surface', |
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], |
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|
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|
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/* ---------------------------------------------------- Buttons */ |
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'btn_bg_color' => [ |
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'var' => '--fct-btn-bg-color', |
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'label' => __('Button background', 'fluent-cart'), |
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'note' => __('Place Order, Buy Now, and every primary action in the store.', 'fluent-cart'), |
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'group' => 'button', |
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'role' => 'button_bg', |
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], |
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'btn_text_color' => [ |
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'var' => '--fct-btn-text-color', |
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'label' => __('Button text', 'fluent-cart'), |
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'note' => '', |
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'group' => 'button', |
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'role' => 'button_text', |
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], |
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// Left unset, every primary button hovers in its resting colour — |
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// the stylesheets fall back to it — which is how they always hovered. |
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'btn_hover_bg_color' => [ |
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'var' => '--fct-btn-hover-bg-color', |
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'label' => __('Button hover background', 'fluent-cart'), |
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'note' => __('What the primary buttons turn to under the pointer.', 'fluent-cart'), |
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'group' => 'button', |
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'role' => 'button_hover_bg', |
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], |
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'btn_hover_text_color' => [ |
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'var' => '--fct-btn-hover-text-color', |
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'label' => __('Button hover text', 'fluent-cart'), |
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'note' => '', |
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'group' => 'button', |
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'role' => 'button_hover_text', |
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], |
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'secondary_btn_bg_color' => [ |
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'var' => '--fct-secondary-btn-bg-color', |
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'label' => __('Secondary button background', 'fluent-cart'), |
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'note' => __('Add to Cart and the other outlined buttons.', 'fluent-cart'), |
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'group' => 'button', |
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// Not plain 'surface': the outline always keeps the page |
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// surface, but while the theme states its button pair the |
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// LABEL borrows the pair's readable half (see |
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// ThemePalette::resolve()). |
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'role' => 'secondary_button_bg', |
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], |
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'secondary_btn_text_color' => [ |
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'var' => '--fct-secondary-btn-text-color', |
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'label' => __('Secondary button text', 'fluent-cart'), |
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'note' => '', |
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'group' => 'button', |
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'role' => 'secondary_button_text', |
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], |
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'secondary_btn_border_color' => [ |
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'var' => '--fct-secondary-btn-border-color', |
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'label' => __('Secondary button border', 'fluent-cart'), |
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'note' => '', |
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'group' => 'button', |
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'role' => 'border', |
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], |
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'secondary_btn_hover_bg_color' => [ |
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'var' => '--fct-secondary-btn-hover-bg-color', |
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'label' => __('Secondary button hover', 'fluent-cart'), |
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'note' => '', |
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'group' => 'button', |
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'role' => 'surface_mute', |
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], |
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|
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/* ------------------------------------------------ Form inputs */ |
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'input_bg_color' => [ |
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'var' => '--fct-input-bg-color', |
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'label' => __('Input background', 'fluent-cart'), |
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'note' => '', |
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'group' => 'input', |
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'role' => 'surface', |
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], |
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'input_text_color' => [ |
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'var' => '--fct-input-text-color', |
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'label' => __('Input text', 'fluent-cart'), |
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'note' => '', |
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'group' => 'input', |
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'role' => 'text', |
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], |
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'input_placeholder_text_color' => [ |
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'var' => '--fct-input-placeholder-text-color', |
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'label' => __('Placeholder text', 'fluent-cart'), |
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'note' => '', |
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'group' => 'input', |
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'role' => 'text_placeholder', |
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], |
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'input_disabled_bg_color' => [ |
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'var' => '--fct-input-disabled-bg-color', |
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'aliases' => ['--fct-input-disabled-bg'], |
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'label' => __('Disabled input background', 'fluent-cart'), |
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'note' => '', |
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'group' => 'input', |
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'role' => 'surface_mute', |
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], |
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]; |
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|
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/** |
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* Filter the global storefront colours a store owner can set. |
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* |
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* Anything added here becomes settable in the admin, sanitised on save |
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* and written to the page — the three consumers read this one list. |
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* |
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* @param array $globals Settings key => definition. |
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*/ |
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$globals = apply_filters('fluent_cart/theme/color_globals', $globals); |
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|
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foreach ($globals as $key => $definition) { |
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$globals[$key] = wp_parse_args($definition, [ |
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'var' => '', |
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'aliases' => [], |
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'label' => $key, |
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'note' => '', |
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'group' => 'surface', |
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'role' => '', |
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]); |
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} |
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|
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self::$cachedGlobals = $globals; |
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|
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return self::$cachedGlobals; |
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} |
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|
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/** |
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* Drop the request-level registry cache. |
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* |
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* The registry runs its entries through a filter and wp_parse_args on the |
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* first read, so it is built once per request. A filter registered after |
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* that first read would otherwise never be seen. |
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* |
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* @return void |
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*/ |
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public static function clearCache(): void |
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{ |
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self::$cachedGlobals = null; |
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} |
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|
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/** |
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* The globals belonging to one group, in registry order. |
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* |
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* @param string $group |
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* @return array |
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*/ |
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public static function globalsFor(string $group): array |
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{ |
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$matched = []; |
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|
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foreach (self::globals() as $key => $definition) { |
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if (Arr::get($definition, 'group') === $group) { |
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$matched[$key] = $definition; |
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} |
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} |
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|
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return $matched; |
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} |
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|
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/** |
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* The semantic roles theme inheritance resolves. |
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* |
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* The first four are anchors read from the theme's palette; the rest are |
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* derived from those so that a theme offering two colours still produces a |
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* coherent store. |
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* |
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* @return array Role key => label. |
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*/ |
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public static function roles(): array |
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{ |
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return [ |
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'surface' => __('Surface', 'fluent-cart'), |
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'text' => __('Body text', 'fluent-cart'), |
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'accent' => __('Accent', 'fluent-cart'), |
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'button_bg' => __('Button', 'fluent-cart'), |
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'surface_alt' => __('Alternate surface', 'fluent-cart'), |
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'surface_mute' => __('Muted surface', 'fluent-cart'), |
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'border' => __('Border', 'fluent-cart'), |
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'divider' => __('Divider', 'fluent-cart'), |
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'text_muted' => __('Muted text', 'fluent-cart'), |
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'text_placeholder' => __('Placeholder text', 'fluent-cart'), |
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'button_text' => __('Button text', 'fluent-cart'), |
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'button_hover_bg' => __('Button hover', 'fluent-cart'), |
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'button_hover_text' => __('Button hover text', 'fluent-cart'), |
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'secondary_button_bg' => __('Secondary button', 'fluent-cart'), |
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'secondary_button_text' => __('Secondary button text', 'fluent-cart'), |
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]; |
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} |
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|
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/** |
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* Every custom property one settings key writes, primary name first. |
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* |
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* @param array $definition |
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* @return array |
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*/ |
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public static function varsOf(array $definition): array |
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{ |
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$vars = [Arr::get($definition, 'var', '')]; |
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$aliases = Arr::get($definition, 'aliases', []); |
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|
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if (is_array($aliases)) { |
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$vars = array_merge($vars, $aliases); |
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} |
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|
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return array_values(array_filter($vars)); |
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} |
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} |
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|
