ch08/mvc_lodash.html

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>MVC Pattern Example</title>
    <style>
        .photo-container {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }

        .photo {
            width: 300px;
            border: 1px solid #ccc;
            padding: 10px;
            box-sizing: border-box;
            position: relative;
        }

        .photo img {
            width: 100%;
            height: auto;
        }

        .caption {
            font-size: 18px;
            font-weight: bold;
            margin: 10px 0;
        }
    </style>
</head>

<body>
    <h1>MVC Pattern Example</h1>
    <div id="photoGallery" class="photo-container"></div>
    <script src="https://cdn.jsdelivr.net/npm/lodash@4.17.20/lodash.min.js"></script>
    <script type="text/template" id="photoTemplate">
    <img src="<%= src %>" alt="<%= caption %>">
    <div class="caption"><%= caption %></div>
</script>
    <script>
        // Model
        class Photo {
            constructor(caption, src) {
                this.caption = caption;
                this.src = src;
            }

            getCaption() {
                return this.caption;
            }

            getSrc() {
                return this.src;
            }
        }

        // View
        class PhotoView {
            constructor(photoModel) {
                this.photoModel = photoModel;
                this.photoEl = document.createElement('div');
                this.photoEl.classList.add('photo');
            }

            render() {
                const template = document.getElementById('photoTemplate').innerHTML;
                const compiled = _.template(template);
                const html = compiled({
                    caption: this.photoModel.getCaption(),
                    src: this.photoModel.getSrc(),
                });
                this.photoEl.innerHTML = html;
            }

            getElement() {
                return this.photoEl;
            }
        }

        // Controller
        class PhotoController {
            constructor(photoModel, photoView) {
                this.photoModel = photoModel;
                this.photoView = photoView;
            }

            render() {
                this.photoView.render();
                return this.photoView.getElement();
            }
        }

        // Application
        const photoData = [
            {
                caption: 'Sample Photo 1',
                src: 'https://via.placeholder.com/300x200?text=Sample+Photo+1',
            },
            {
                caption: 'Sample Photo 2',
                src: 'https://via.placeholder.com/300x200?text=Sample+Photo+2',
            },
            {
                caption: 'Sample Photo 3',
                src: 'https://via.placeholder.com/300x200?text=Sample+Photo+3',
            },
        ];

        const photoGallery = document.getElementById('photoGallery');
        photoData.forEach((data) => {
            const photoModel = new Photo(data.caption, data.src);
            const photoView = new PhotoView(photoModel);
            const photoController = new PhotoController(photoModel, photoView);
            photoGallery.appendChild(photoController.render());
        });
    </script>
</body>

</html>