Changeset 25418

Timestamp:

09/12/2013 10:05:06 PM (11 years ago)

Author:

lancewillett

Message:

Twenty Fourteen: let authors customize the green "accent" color by changing to a different hex value in the Customizer. Props celloexpressions.

Also add an ID attribute to all style elements.

See #25220.

File:

• trunk/src/wp-content/themes/twentyfourteen/inc/customizer.php (modified) (3 diffs)

trunk/src/wp-content/themes/twentyfourteen/inc/customizer.php

@@ -11 +11 @@
  *
  * @param WP_Customize_Manager $wp_customize Theme Customizer object.
- *
  */
 function twentyfourteen_customize_register( $wp_customize ) {
     $wp_customize->get_setting( 'blogname' )->transport        = 'postMessage';
     $wp_customize->get_setting( 'blogdescription' )->transport = 'postMessage';
+
+    $wp_customize->add_setting( 'accent_color', array(
+        'default'           => '#24890d',
+        'sanitize_callback' => 'twentyfourteen_generate_accent_colors',
+    ) );
+
+    $wp_customize->add_control( new WP_Customize_Color_Control( $wp_customize, 'accent_color', array(
+        'label'    => __( 'Accent Color', 'twentyfourteen' ),
+        'section'  => 'colors',
+        'settings' => 'accent_color',
+    ) ) );
 }
 add_action( 'customize_register', 'twentyfourteen_customize_register' );
@@ -21 +31 @@
 /**
  * Binds JS handlers to make Theme Customizer preview reload changes asynchronously.
- *
  */
 function twentyfourteen_customize_preview_js() {
@@ -27 +36 @@
 }
 add_action( 'customize_preview_init', 'twentyfourteen_customize_preview_js' );
+
+/**
+ * Generates two variants of the accent color, returns the original, and saves the others as theme mods.
+ *
+ * @param string $color The original color.
+ * @return string $color The original color, sanitized.
+ */
+function twentyfourteen_generate_accent_colors( $color ) {
+    $color = sanitize_hex_color( $color );
+
+    set_theme_mod( 'accent_lighter', twentyfourteen_adjust_color( $color, 14 ) );
+    set_theme_mod( 'accent_much_lighter', twentyfourteen_adjust_color( $color, 71 ) );
+
+    return $color;
+}
+
+/**
+ * Tweaks the brightness of a color by adjusting the RGB values by the given interval.
+ *
+ * Use positive values of $steps to brighten the color and negative values to darken the color.
+ * All three RGB values are modified by the specified steps, within the range of 0-255. The hue
+ * is generally maintained unless the number of steps causes one value to be capped at 0 or 255.
+ *
+ * @param string $color The original color, in 3- or 6-digit hexadecimal form.
+ * @param int $steps The number of steps to adjust the color by, in rgb units.
+ * @return string $color The new color, in 6-digit hexadecimal form.
+ */
+function twentyfourteen_adjust_color( $color, $steps ) {
+    // Convert shorthand to full hex.
+    if ( strlen( $color ) == 3 ) {
+        $color = str_repeat( substr( $color, 1, 1 ), 2 ) . str_repeat( substr( $color, 2, 1 ), 2 ) . str_repeat( substr( $color, 3, 1), 2 );
+    }
+
+    // Convert hex to rgb.
+    $rgb = array( hexdec( substr( $color, 1, 2 ) ), hexdec( substr( $color, 3, 2 ) ), hexdec( substr( $color, 5, 2 ) ) );
+
+    // Adjust color and switch back to hex.
+    $hex = '#';
+    foreach ( $rgb as $c ) {
+        $c += $steps;
+        if ( $c > 255 )
+            $c = 255;
+        elseif ( $c < 0 )
+            $c = 0;
+        $hex .= str_pad( dechex( $c ), 2, '0', STR_PAD_LEFT);
+    }
+
+    return $hex;
+}
+
+/**
+ * Outputs the css for the Theme Customizer options.
+ */
+function twentyfourteen_customizer_styles() {
+    $accent_color = get_theme_mod( 'accent_color' );
+
+    // Don't do anything if the current color is the default.
+    if ( '#24890d' === $accent_color )
+        return;
+
+    $accent_lighter = get_theme_mod( 'accent_lighter' );
+    $accent_much_lighter = get_theme_mod( 'accent_much_lighter' );
+
+    $css = '<style type="text/css" id="twentyfourteen-accent-color">
+        /* Custom accent color. */
+        h1 a:hover,
+        h2 a:hover,
+        h3 a:hover,
+        h4 a:hover,
+        h5 a:hover,
+        h6 a:hover,
+        a,
+        .primary-navigation ul ul a:hover,
+        .entry-title a:hover,
+        .cat-links a:hover,
+        .site-content .post-navigation a:hover,
+        .site-content .image-navigation a:hover,
+        .comment-author a:hover,
+        .comment-metadata a:hover,
+        .comment-list .trackback a:hover,
+        .comment-list .pingback a:hover,
+        .content-sidebar a:hover,
+        .paging-navigation .page-numbers.current {
+            color: ' . $accent_color . ';
+        }
+
+        button:hover,
+        html input[type="button"]:hover,
+        input[type="reset"]:hover,
+        input[type="submit"]:hover,
+        button:focus,
+        html input[type="button"]:focus,
+        input[type="reset"]:focus,
+        input[type="submit"]:focus,
+        .header-extra,
+        .search-toggle,
+        .bypostauthor .avatar,
+        .widget-area button,
+        .widget-area html input[type="button"],
+        .widget-area input[type="reset"],
+        .widget-area input[type="submit"],
+        .widget_calendar a,
+        .content-sidebar button:hover,
+        .content-sidebar html input[type="button"]:hover,
+        .content-sidebar input[type="reset"]:hover,
+        .content-sidebar input[type="submit"]:hover,
+        .content-sidebar button:focus,
+        .content-sidebar html input[type="button"]:focus,
+        .content-sidebar input[type="reset"]:focus,
+        .content-sidebar input[type="submit"]:focus,
+        .page-links a:hover {
+            background-color: ' . $accent_color . ';
+        }
+
+        ::-moz-selection {
+            background: ' . $accent_color . ';
+        }
+
+        ::selection {
+            background: ' . $accent_color . ';
+        }
+
+        .page-links a:hover,
+        .paging-navigation .page-numbers.current {
+            border-color: ' .  $accent_color . ';
+        }
+
+        /* Generated variant of custom accent color: slightly lighter. */
+        .search-toggle:hover,
+        .search-toggle.active,
+        .search-box,
+        .widget-area button:hover,
+        .widget-area html input[type="button"]:hover,
+        .widget-area input[type="reset"]:hover,
+        .widget-area input[type="submit"]:hover,
+        .widget-area button:focus,
+        .widget-area html input[type="button"]:focus,
+        .widget-area input[type="reset"]:focus,
+        .widget-area input[type="submit"]:focus,
+        .widget-area button:active,
+        .widget-area html input[type="button"]:active,
+        .widget-area input[type="reset"]:active,
+        .widget-area input[type="submit"]:active,
+        .widget_calendar a:hover {
+            background-color: ' . $accent_lighter . ';
+        }
+
+        /* Generated variant of custom accent color: much lighter. */
+        button:active,
+        html input[type="button"]:active,
+        input[type="reset"]:active,
+        input[type="submit"]:active,
+        .content-sidebar button:active,
+        .content-sidebar html input[type="button"]:active,
+        .content-sidebar input[type="reset"]:active,
+        .content-sidebar input[type="submit"]:active {
+            background-color: ' . $accent_much_lighter . ';
+        }
+
+        a:hover,
+        a:focus,
+        a:active,
+        .primary-navigation li.current_page_item > a,
+        .primary-navigation li.current-menu-item > a,
+        .secondary-navigation a:hover,
+        #secondary .current_page_item > a,
+        #secondary .current-menu-item > a,
+        #featured-content .entry-meta a:hover,
+        #featured-content .entry-title a:hover,
+        #featured-content .more-link,
+        .widget-area a:hover {
+            color: ' . $accent_much_lighter . ';
+        }
+        </style>';
+
+    wp_add_inline_style( 'twentyfourteen-style', $css );
+}
+add_action( 'wp_enqueue_scripts', 'twentyfourteen_customizer_styles' );