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| 1 | +<?php declare(strict_types = 1); |
| 2 | + |
| 3 | +namespace HnutiBrontosaurus\Theme; |
| 4 | + |
| 5 | +function banner_settings_page() { |
| 6 | + add_options_page( |
| 7 | + 'Homepage banner', |
| 8 | + 'Homepage banner', |
| 9 | + 'publish_pages', // basically editor+ role |
| 10 | + 'homepage-banner', |
| 11 | + 'HnutiBrontosaurus\Theme\render_homepage_banner_settings', |
| 12 | + ); |
| 13 | +} |
| 14 | +add_action('admin_menu', 'HnutiBrontosaurus\Theme\banner_settings_page'); |
| 15 | + |
| 16 | +function enqueue_banner_settings_scripts($hook) { |
| 17 | + // Check if we're on the banner settings page to load scripts only there. |
| 18 | + if ($hook !== 'toplevel_page_banner-settings') { |
| 19 | + return; |
| 20 | + } |
| 21 | + |
| 22 | + // Enqueue WordPress media uploader script and styles. |
| 23 | + wp_enqueue_media(); |
| 24 | +} |
| 25 | +add_action('admin_enqueue_scripts', 'HnutiBrontosaurus\Theme\enqueue_banner_settings_scripts'); |
| 26 | + |
| 27 | + |
| 28 | + |
| 29 | +function render_homepage_banner_settings() { |
| 30 | + // Check if the user has permission to save options. |
| 31 | + if (!current_user_can('publish_pages')) { |
| 32 | + return; |
| 33 | + } |
| 34 | + |
| 35 | + // Handle form submission. |
| 36 | + if (isset($_POST['homepage-banner_save-settings'])) { |
| 37 | + check_admin_referer('homepage-banner_nonce'); // Validate nonce. |
| 38 | + |
| 39 | + update_option('homepage-banner_heading', sanitize_text_field($_POST['homepage-banner_heading'])); |
| 40 | + update_option('homepage-banner_subheading', sanitize_text_field($_POST['homepage-banner_subheading'])); |
| 41 | + update_option('homepage-banner_image', esc_url_raw($_POST['homepage-banner_image'])); |
| 42 | + update_option('homepage-banner_link', esc_url_raw($_POST['homepage-banner_link'])); |
| 43 | + |
| 44 | + echo '<div class="updated"><p>Úspěšně uloženo!</p></div>'; |
| 45 | + } |
| 46 | + |
| 47 | + // Get saved values. |
| 48 | + $heading = get_option('homepage-banner_heading', ''); |
| 49 | + $subheading = get_option('homepage-banner_subheading', ''); |
| 50 | + $image = get_option('homepage-banner_image', ''); |
| 51 | + $link = get_option('homepage-banner_link', ''); |
| 52 | + ?> |
| 53 | + |
| 54 | + <div class="wrap"> |
| 55 | + <h1>Homepage banner</h1> |
| 56 | + <form method="post"> |
| 57 | + <?php wp_nonce_field('homepage-banner_nonce'); ?> |
| 58 | + <table class="form-table"> |
| 59 | + <tr> |
| 60 | + <th scope="row"><label for="homepage-banner_heading">Hlavní text:*</label></th> |
| 61 | + <td><input type="text" id="homepage-banner_heading" name="homepage-banner_heading" value="<?php echo esc_attr($heading); ?>" class="regular-text" required></td> |
| 62 | + </tr> |
| 63 | + <tr> |
| 64 | + <th scope="row"><label for="homepage-banner_subheading">Podtext:</label></th> |
| 65 | + <td><input type="text" id="homepage-banner_subheading" name="homepage-banner_subheading" value="<?php echo esc_attr($subheading); ?>" class="regular-text"></td> |
| 66 | + </tr> |
| 67 | + <tr> |
| 68 | + <th scope="row"><label for="homepage-banner_image">Banner:*</label></th> |
| 69 | + <td> |
| 70 | + <input type="text" id="homepage-banner_image" name="homepage-banner_image" value="<?php echo esc_url($image); ?>" class="regular-text" required> |
| 71 | + <button type="button" class="button" id="homepage-banner_upload-image-button">Vybrat obrázek</button> |
| 72 | + </td> |
| 73 | + </tr> |
| 74 | + <tr> |
| 75 | + <th scope="row"><label for="homepage-banner_link">Odkaz:</label></th> |
| 76 | + <td><input type="text" id="homepage-banner_link" name="homepage-banner_link" value="<?php echo esc_attr($link); ?>" class="regular-text"></td> |
| 77 | + </tr> |
| 78 | + </table> |
| 79 | + <?php submit_button('Uložit', 'primary', 'homepage-banner_save-settings'); ?> |
| 80 | + </form> |
| 81 | + </div> |
| 82 | + |
| 83 | + <script> |
| 84 | + document.addEventListener("DOMContentLoaded", () => { |
| 85 | + const uploadButton = document.getElementById("homepage-banner_upload-image-button"); |
| 86 | + const bannerImageField = document.getElementById("homepage-banner_image"); |
| 87 | + |
| 88 | + let mediaUploader; |
| 89 | + |
| 90 | + uploadButton.addEventListener("click", (e) => { |
| 91 | + e.preventDefault(); |
| 92 | + |
| 93 | + // If the media uploader already exists, open it. |
| 94 | + if (mediaUploader) { |
| 95 | + mediaUploader.open(); |
| 96 | + return; |
| 97 | + } |
| 98 | + |
| 99 | + // Create the media uploader. |
| 100 | + mediaUploader = wp.media({ |
| 101 | + title: "Select Banner Image", |
| 102 | + button: { |
| 103 | + text: "Use this image", |
| 104 | + }, |
| 105 | + multiple: false, // Only allow a single image. |
| 106 | + }); |
| 107 | + |
| 108 | + // When an image is selected, update the input field. |
| 109 | + mediaUploader.on("select", () => { |
| 110 | + const attachment = mediaUploader.state().get("selection").first().toJSON(); |
| 111 | + bannerImageField.value = attachment.url; |
| 112 | + }); |
| 113 | + |
| 114 | + // Open the media uploader. |
| 115 | + mediaUploader.open(); |
| 116 | + }); |
| 117 | + }); |
| 118 | + </script> |
| 119 | + |
| 120 | + <?php |
| 121 | +} |
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