AutoLayoutGallery/Plugin.php at main · xyzbz/AutoLayoutGallery · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
<?php
if (!defined('__TYPECHO_ROOT_DIR__')) exit;

/**
 * 相册插件（最终稳定版）
 *
 * @package AutoLayoutGallery
 * @author 网友小宋&豆包
 * @version 1.0.2
 * @link https://xyzbz.cn
 */
class AutoLayoutGallery_Plugin implements Typecho_Plugin_Interface
{
    public static function activate()
    {
        Typecho_Plugin::factory('Widget_Abstract_Contents')->contentEx = array(__CLASS__, 'parse');
        Typecho_Plugin::factory('Widget_Archive')->header = array(__CLASS__, 'outputHeader');
        Typecho_Plugin::factory('Widget_Archive')->footer = array(__CLASS__, 'outputFooter');
        return _t('相册插件已激活，点击图片在本页弹窗');
    }

    public static function deactivate()
    {
        return _t('相册插件已禁用');
    }

    public static function config(Typecho_Widget_Helper_Form $form)
    {
        $maxCols = new Typecho_Widget_Helper_Form_Element_Text(
            'maxCols',
            null,
            '6',
            _t('最大列数'),
            _t('单排最多显示的图片数量（默认6）')
        );
        $form->addInput($maxCols);

        $gap = new Typecho_Widget_Helper_Form_Element_Text(
            'gap',
            null,
            '10px',
            _t('图片间距'),
            _t('图片之间的间距（默认10px）')
        );
        $form->addInput($gap);
    }

    public static function personalConfig(Typecho_Widget_Helper_Form $form) {}

    /**
     * 解析内容生成相册结构
     */
    public static function parse($content, $widget, $lastResult)
    {
        $content = empty($lastResult) ? $content : $lastResult;
        if (!$widget instanceof Widget_Abstract_Contents || !self::isSinglePage()) {
            return $content;
        }

        $options = Typecho_Widget::widget('Widget_Options')->plugin('AutoLayoutGallery');
        $maxCols = intval($options->maxCols ?? 6);
        $gap = $options->gap ?? '10px';

        // 匹配[photos]标签
        $content = preg_replace_callback(
            '/\[photos\](.*?)\[\/photos\]/ism',
            function ($matches) use ($maxCols, $gap) {
                $html = $matches[1];
                $images = [];

                // 解析Markdown和HTML图片
                preg_match_all('/!\[(.*?)\]\((\s*?[^"\s)]+\s*?)(?:["\'](.*?)["\'])?\)/i', $html, $mdMatches, PREG_SET_ORDER);
                preg_match_all('/<img\s+src="([^"]+)"\s+alt="([^"]*)"\s*(title="([^"]*)")?\/?>/i', $html, $htmlMatches, PREG_SET_ORDER);

                // 提取图片信息
                foreach (array_merge($mdMatches, $htmlMatches) as $img) {
                    if (strpos($img[0], '![]') !== false) {
                        $images[] = [
                            'src' => trim($img[2]),
                            'alt' => $img[1] ?: '图片',
                            'title' => $img[3] ?: ($img[1] ?: '图片')
                        ];
                    } else {
                        $images[] = [
                            'src' => $img[1],
                            'alt' => $img[2] ?: '图片',
                            'title' => $img[4] ?: ($img[2] ?: '图片')
                        ];
                    }
                }

                $total = count($images);
                if ($total === 0) return '';

                // 计算列数
                $cols = min($total, $maxCols);
                $galleryId = 'gallery-' . uniqid();
                $itemsHtml = '';

                // 生成图片项（添加额外class确保选择器唯一）
                foreach ($images as $index => $img) {
                    $count = ($index + 1) . '/' . $total;
                    $itemsHtml .= <<<HTML
<div class="gallery-item">
    <a href="{$img['src']}" class="gallery-link gallery-link-{$galleryId}"
       data-gallery="{$galleryId}"
       data-caption="{$img['title']}"
       data-index="{$index}">
        <img src="{$img['src']}" alt="{$img['alt']}" class="gallery-img" loading="lazy">
        <div class="gallery-overlay">+</div>
    </a>
</div>
HTML;
                }

                return <<<HTML
<div class="gallery-container" id="{$galleryId}" style="--cols: {$cols}; --gap: {$gap};">
    {$itemsHtml}
</div>
HTML;
            },
            $content
        );

        return $content;
    }

    /**
     * 输出头部样式
     */
    public static function outputHeader()
    {
        if (!self::isSinglePage()) return;

        echo '<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@fancyapps/ui@5.0/dist/fancybox/fancybox.css">' . "\n";
        echo <<<CSS
<style>
.gallery-container {
    display: grid;
    grid-template-columns: repeat(var(--cols), 1fr);
    gap: var(--gap);
    margin: 20px 0;
    padding: 0;
}
@media (max-width: 767px) {
    .gallery-container {
        grid-template-columns: 1fr !important;
    }
}
.gallery-item {
    position: relative;
    border-radius: 4px;
    overflow: hidden;
    list-style: none;
}
.gallery-link {
    display: block;
    position: relative;
    height: 200px;
    overflow: hidden;
    cursor: pointer; /* 显示手型光标，提示可点击 */
}
.gallery-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.gallery-link:hover .gallery-img {
    transform: scale(1.08);
}
.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.gallery-link:hover .gallery-overlay {
    opacity: 1;
}
/* 灯箱样式 */
.fancybox__container {
    --fancybox-bg: rgba(0, 0, 0, 0.9);
    z-index: 99999 !important; /* 确保在最顶层 */
    position: fixed !important; /* 固定在当前页面 */
}
.fancybox__button--close {
    width: 36px;
    height: 36px;
    color: #fff;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    top: 20px;
    right: 20px;
    opacity: 1 !important;
}
.fancybox__caption {
    color: #fff;
    padding: 10px 20px;
}
</style>
CSS;
    }

    /**
     * 输出灯箱脚本（核心：阻止跳转，强制本页弹窗）
     */
    public static function outputFooter()
    {
        if (!self::isSinglePage()) return;

        echo '<script src="https://cdn.jsdelivr.net/npm/@fancyapps/ui@5.0/dist/fancybox/fancybox.umd.js"></script>' . "\n";
        echo <<<JS
<script>
// 等待DOM完全加载后再绑定事件
document.addEventListener('DOMContentLoaded', function() {
    // 收集所有相册组
    const galleryGroups = {};

    // 第一步：收集图片信息，建立分组
    document.querySelectorAll('.gallery-link[data-gallery]').forEach(link => {
        const groupId = link.getAttribute('data-gallery');
        if (!galleryGroups[groupId]) {
            galleryGroups[groupId] = [];
        }
        // 存储图片链接和标题
        galleryGroups[groupId].push({
            src: link.getAttribute('href'),
            caption: link.getAttribute('data-caption')
        });
    });

    // 第二步：为每个图片绑定点击事件，强制阻止跳转
    document.querySelectorAll('.gallery-link[data-gallery]').forEach(link => {
        link.addEventListener('click', function(e) {
            // 双重阻止默认行为（关键修复）
            e.preventDefault ? e.preventDefault() : (e.returnValue = false);
            e.stopPropagation ? e.stopPropagation() : (e.cancelBubble = true);

            const groupId = this.getAttribute('data-gallery');
            const index = parseInt(this.getAttribute('data-index'));
            const slides = galleryGroups[groupId] || [];

            if (slides.length === 0) return;

            // 初始化灯箱并显示
            const fancybox = new Fancybox(slides, {
                startIndex: index,
                container: document.body, // 强制在body内渲染
                appendTo: document.body,
                closeButton: true,
                escapeKey: true,
                clickOutside: true,
                loop: true,
                // 禁用所有可能导致跳转的配置
                hash: false, // 不修改URL
                trapFocus: true // 焦点锁定在灯箱内
            });

            fancybox.show();
        });

        // 额外处理：防止其他脚本干扰
        link.addEventListener('mousedown', function(e) {
            e.preventDefault ? e.preventDefault() : (e.returnValue = false);
        });
    });
});

// Pjax无刷新场景兼容
$(document).on('pjax:complete', function() {
    const galleryGroups = {};
    document.querySelectorAll('.gallery-link[data-gallery]').forEach(link => {
        const groupId = link.getAttribute('data-gallery');
        if (!galleryGroups[groupId]) galleryGroups[groupId] = [];
        galleryGroups[groupId].push({
            src: link.getAttribute('href'),
            caption: link.getAttribute('data-caption')
        });
    });

    document.querySelectorAll('.gallery-link[data-gallery]').forEach(link => {
        link.addEventListener('click', function(e) {
            e.preventDefault ? e.preventDefault() : (e.returnValue = false);
            e.stopPropagation ? e.stopPropagation() : (e.cancelBubble = true);

            const groupId = this.getAttribute('data-gallery');
            const index = parseInt(this.getAttribute('data-index'));
            const slides = galleryGroups[groupId] || [];

            new Fancybox(slides, {
                startIndex: index,
                container: document.body,
                closeButton: true
            }).show();
        });
    });
});
</script>
JS;
    }

    private static function isSinglePage()
    {
        return Typecho_Widget::widget('Widget_Archive')->is('single');
    }
}