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+Bilder, Files endpoint
This commit is contained in:
Simon Martens
525
views/routes/components/_image_uploader.gohtml
Normal file
525
views/routes/components/_image_uploader.gohtml
Normal file
@@ -0,0 +1,525 @@
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{{ $model := . }}
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<image-uploader
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class="block"
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data-upload-url="/redaktion/images/upload/"
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data-list-url="/redaktion/images/list/"
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data-delete-url="/redaktion/images/delete/"
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data-prefix="{{ $model.prefix }}"
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data-csrf="{{ $model.csrf_token }}">
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<button type="button" class="w-full flex items-center justify-between rounded-md border border-slate-300 bg-white px-4 py-3 text-lg font-semibold text-slate-900 hover:bg-slate-50" data-role="collapse-toggle">
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<span>Bilder</span>
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<i class="ri-arrow-down-s-line transition-transform" data-role="collapse-icon"></i>
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</button>
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<div class="mt-4 hidden" data-role="collapse-panel">
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<div class="flex items-center justify-between gap-4">
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<div>
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<h2 class="text-lg font-semibold text-slate-900">Bilder</h2>
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<p class="text-sm text-slate-600 mt-1">
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Bilder sind öffentlich erreichbar. Der Schlüssel wird automatisch aus dem Titel gebildet.
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</p>
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</div>
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<button type="button" class="inline-flex items-center gap-2 rounded-md border border-slate-300 bg-white px-3 py-2 text-sm font-semibold text-slate-700 hover:bg-slate-50" data-role="toggle-upload">
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<i class="ri-add-line"></i> Bild hinzufügen
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</button>
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</div>
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<div class="mt-4 hidden grid grid-cols-1 md:grid-cols-12 gap-3 items-end" data-role="upload-form">
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<div class="md:col-span-4 flex flex-col gap-1">
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<label class="text-xs font-semibold uppercase tracking-wide text-slate-500">Bild</label>
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<div class="border border-slate-300 rounded-md px-3 py-2 text-sm text-slate-600 bg-white min-h-[2.5rem] flex items-center" data-role="image-dropzone">
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<div class="flex items-center justify-between gap-3 w-full">
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<span data-role="image-dropzone-text">Bild ablegen oder auswählen</span>
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<button type="button" class="text-sm font-semibold text-slate-700 hover:text-slate-900" data-role="image-choose">Auswählen</button>
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</div>
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<input type="file" class="hidden" data-role="image-input" />
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</div>
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</div>
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<div class="md:col-span-4 flex flex-col gap-1">
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<label class="text-xs font-semibold uppercase tracking-wide text-slate-500">Vorschau</label>
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<div class="border border-slate-300 rounded-md px-3 py-2 text-sm text-slate-600 bg-white min-h-[2.5rem] flex items-center" data-role="preview-dropzone">
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<div class="flex items-center justify-between gap-3 w-full">
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<span data-role="preview-dropzone-text">Optional – Vorschau ablegen</span>
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<button type="button" class="text-sm font-semibold text-slate-700 hover:text-slate-900" data-role="preview-choose">Auswählen</button>
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</div>
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<input type="file" class="hidden" data-role="preview-input" />
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</div>
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</div>
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<div class="md:col-span-4 flex flex-col gap-1">
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<label class="text-xs font-semibold uppercase tracking-wide text-slate-500">Titel</label>
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<input type="text" class="block w-full rounded-md border border-slate-300 bg-white px-3 py-2 text-sm text-slate-900 focus:border-slate-500 focus:ring-2 focus:ring-slate-400/30 min-h-[2.5rem]" data-role="title-input" autocomplete="off" />
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</div>
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<div class="md:col-span-12 flex flex-col gap-1">
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<label class="text-xs font-semibold uppercase tracking-wide text-slate-500">Beschreibung</label>
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<trix-toolbar data-role="description-toolbar">
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<div class="trix-toolbar-container">
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<span class="trix-toolbar-group">
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<button type="button" class="trix-toolbar-button" data-trix-attribute="bold" data-trix-key="b" title="Fett">
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<i class="ri-bold"></i>
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</button>
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<button type="button" class="trix-toolbar-button" data-trix-attribute="italic" data-trix-key="i" title="Kursiv">
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<i class="ri-italic"></i>
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</button>
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<button type="button" class="trix-toolbar-button" data-trix-attribute="strike" title="Gestrichen">
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<i class="ri-strikethrough"></i>
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</button>
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<button type="button" class="trix-toolbar-button" data-trix-attribute="href" data-trix-action="link" data-trix-key="k" title="Link">
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<i class="ri-links-line"></i>
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</button>
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</span>
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<span class="trix-toolbar-group">
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<button type="button" class="trix-toolbar-button" data-trix-attribute="bullet" title="Liste">
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<i class="ri-list-unordered"></i>
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</button>
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<button type="button" class="trix-toolbar-button" data-trix-attribute="number" title="Aufzählung">
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<i class="ri-list-ordered"></i>
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</button>
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</span>
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<span class="trix-toolbar-group">
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<button type="button" class="trix-toolbar-button" data-trix-action="undo" data-trix-key="z" title="Rückgängig">
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<i class="ri-arrow-go-back-line"></i>
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</button>
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<button type="button" class="trix-toolbar-button" data-trix-action="redo" data-trix-key="shift+z" title="Wiederholen">
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<i class="ri-arrow-go-forward-line"></i>
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</button>
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</span>
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</div>
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<div class="trix-dialogs" data-trix-dialogs>
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<div class="trix-dialog trix-dialog--link" data-trix-dialog="href" data-trix-dialog-attribute="href">
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<div class="trix-dialog__link-fields flex flex-row">
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<input type="url" name="href" class="trix-input trix-input--dialog" placeholder="URL eingeben…" aria-label="URL" required data-trix-input>
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<div class="trix-button-group flex-row">
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<input type="button" class="trix-button trix-button--dialog" value="Link" data-trix-method="setAttribute">
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<input type="button" class="trix-button trix-button--dialog" value="Unlink" data-trix-method="removeAttribute">
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</div>
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</div>
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</div>
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</div>
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</trix-toolbar>
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<textarea hidden data-role="description-input" autocomplete="off"></textarea>
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<trix-editor data-role="description-editor" class="rounded-md border border-slate-300 bg-white p-2"></trix-editor>
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</div>
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<div class="md:col-span-12 flex items-center justify-end">
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<tool-tip position="top" class="inline-block w-full">
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<button type="button" class="inline-flex items-center justify-center gap-2 rounded-md bg-slate-900 px-4 py-2 text-sm font-semibold text-white hover:bg-slate-800 focus:outline-none focus:ring-2 focus:ring-slate-400/50 disabled:opacity-60" data-role="upload-button">
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<i class="ri-upload-2-line"></i>
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</button>
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<div class="data-tip">Bild hochladen</div>
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</tool-tip>
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</div>
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<div class="md:col-span-12">
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<span class="text-sm text-slate-600" data-role="status"></span>
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</div>
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</div>
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<div class="mt-6 max-h-96 overflow-auto rounded-sm border border-slate-200 bg-white p-3" data-role="image-list">
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{{ template "_image_uploader_list" $model }}
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</div>
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</div>
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</image-uploader>
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<script>
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(() => {
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if (window.ImageUploaderDefined) {
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return;
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}
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window.ImageUploaderDefined = true;
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class ImageUploader extends HTMLElement {
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connectedCallback() {
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this.uploadUrl = this.dataset.uploadUrl || "";
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this.listUrl = this.dataset.listUrl || "";
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this.deleteUrl = this.dataset.deleteUrl || "";
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this.imagePrefix = this.dataset.prefix || "";
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this.csrf = this.dataset.csrf || "";
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this.form = this.querySelector("[data-role='upload-form']");
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this.list = this.querySelector("[data-role='image-list']");
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this.status = this.querySelector("[data-role='status']");
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this.uploadButton = this.querySelector("[data-role='upload-button']");
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this.collapseToggle = this.querySelector("[data-role='collapse-toggle']");
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this.collapsePanel = this.querySelector("[data-role='collapse-panel']");
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this.collapseIcon = this.querySelector("[data-role='collapse-icon']");
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this.toggleButton = this.querySelector("[data-role='toggle-upload']");
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this.titleInput = this.querySelector("[data-role='title-input']");
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this.descriptionInput = this.querySelector("[data-role='description-input']");
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this.descriptionEditor = this.querySelector("[data-role='description-editor']");
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this.descriptionToolbar = this.querySelector("[data-role='description-toolbar']");
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this.imageInput = this.querySelector("[data-role='image-input']");
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this.previewInput = this.querySelector("[data-role='preview-input']");
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this.imageDropzone = this.querySelector("[data-role='image-dropzone']");
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this.previewDropzone = this.querySelector("[data-role='preview-dropzone']");
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this.imageDropText = this.querySelector("[data-role='image-dropzone-text']");
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this.previewDropText = this.querySelector("[data-role='preview-dropzone-text']");
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this.imageChoose = this.querySelector("[data-role='image-choose']");
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this.previewChoose = this.querySelector("[data-role='preview-choose']");
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if (this.uploadButton) {
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this.uploadButton.addEventListener("click", (event) => this.handleUpload(event));
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}
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if (this.collapseToggle) {
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this.collapseToggle.addEventListener("click", () => this.togglePanel());
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}
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if (this.toggleButton && this.form) {
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this.toggleButton.addEventListener("click", () => this.toggleForm());
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}
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if (this.imageChoose && this.imageInput) {
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this.imageChoose.addEventListener("click", () => this.imageInput.click());
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}
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if (this.previewChoose && this.previewInput) {
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this.previewChoose.addEventListener("click", () => this.previewInput.click());
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}
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if (this.imageInput) {
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this.imageInput.addEventListener("change", () => this.updateDropzone());
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}
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if (this.previewInput) {
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this.previewInput.addEventListener("change", () => this.updateDropzone());
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}
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if (this.imageDropzone) {
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this.imageDropzone.addEventListener("dragover", (event) => this.onDragOver(event, this.imageDropzone));
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this.imageDropzone.addEventListener("dragleave", (event) => this.onDragLeave(event, this.imageDropzone));
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this.imageDropzone.addEventListener("drop", (event) => this.onDrop(event, this.imageInput, "image"));
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}
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if (this.previewDropzone) {
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this.previewDropzone.addEventListener("dragover", (event) => this.onDragOver(event, this.previewDropzone));
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this.previewDropzone.addEventListener("dragleave", (event) => this.onDragLeave(event, this.previewDropzone));
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this.previewDropzone.addEventListener("drop", (event) => this.onDrop(event, this.previewInput, "preview"));
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}
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this.addEventListener("click", (event) => this.handleClick(event));
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this.addEventListener("submit", (event) => {
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event.preventDefault();
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event.stopPropagation();
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event.stopImmediatePropagation();
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}, true);
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this.initTrix();
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this.initSort();
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this.applyDefaultSort();
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this.normalizeUrls();
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}
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setStatus(message, isError) {
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if (!this.status) return;
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this.status.textContent = message || "";
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this.status.classList.remove("text-red-600", "text-green-600");
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if (isError) {
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this.status.classList.add("text-red-600");
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} else if (message) {
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this.status.classList.add("text-green-600");
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}
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}
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async handleUpload(event) {
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event.preventDefault();
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event.stopPropagation();
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event.stopImmediatePropagation();
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if (!this.uploadUrl || !this.form) return;
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if (!this.imagePrefix) {
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this.setStatus("Prefix fehlt.", true);
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return;
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}
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this.setStatus("Upload läuft…");
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if (this.uploadButton) this.uploadButton.disabled = true;
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if (!this.imageInput || !this.imageInput.files || this.imageInput.files.length === 0) {
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this.setStatus("Bitte ein Bild auswählen.", true);
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if (this.uploadButton) this.uploadButton.disabled = false;
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return;
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}
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const payload = new FormData();
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payload.append("image", this.imageInput.files[0]);
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if (this.previewInput && this.previewInput.files && this.previewInput.files[0]) {
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payload.append("preview", this.previewInput.files[0]);
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}
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payload.append("prefix", this.imagePrefix);
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if (this.titleInput && this.titleInput.value) {
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payload.append("title", this.titleInput.value);
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}
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if (this.descriptionInput && this.descriptionInput.value) {
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payload.append("description", this.descriptionInput.value);
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}
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payload.set("csrf_token", this.csrf);
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const response = await fetch(this.uploadUrl, {
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method: "POST",
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body: payload,
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credentials: "same-origin",
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});
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if (!response.ok) {
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const message = await this.extractError(response);
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this.setStatus(message || "Upload fehlgeschlagen.", true);
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if (this.uploadButton) this.uploadButton.disabled = false;
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return;
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}
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const json = await this.safeJson(response);
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if (json && json.error) {
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this.setStatus(json.error, true);
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if (this.uploadButton) this.uploadButton.disabled = false;
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return;
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}
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if (this.imageInput) this.imageInput.value = "";
|
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if (this.previewInput) this.previewInput.value = "";
|
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this.updateDropzone();
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if (this.titleInput) this.titleInput.value = "";
|
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if (this.descriptionInput) this.descriptionInput.value = "";
|
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if (this.descriptionEditor && this.descriptionEditor.editor) {
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this.descriptionEditor.editor.setSelectedRange([0, this.descriptionEditor.editor.getDocument().getLength()]);
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this.descriptionEditor.editor.deleteInDirection("forward");
|
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}
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this.setStatus((json && json.message) || "Bild gespeichert.");
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this.lastUploadedId = json && json.id ? json.id : "";
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await this.refreshList();
|
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if (this.form) this.form.classList.add("hidden");
|
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if (this.uploadButton) this.uploadButton.disabled = false;
|
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}
|
||||
|
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async handleClick(event) {
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const target = event.target.closest("[data-action]");
|
||||
if (!target) return;
|
||||
const action = target.getAttribute("data-action");
|
||||
if (action === "copy") {
|
||||
const url = target.getAttribute("data-url");
|
||||
if (!url) return;
|
||||
try {
|
||||
await navigator.clipboard.writeText(url);
|
||||
this.setStatus("Link kopiert.");
|
||||
} catch {
|
||||
this.setStatus("Link kopieren fehlgeschlagen.", true);
|
||||
}
|
||||
}
|
||||
if (action === "delete") {
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const id = target.getAttribute("data-id");
|
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if (!id || !this.deleteUrl) return;
|
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if (!confirm("Bild wirklich löschen?")) return;
|
||||
const payload = new FormData();
|
||||
payload.set("csrf_token", this.csrf);
|
||||
const response = await fetch(`${this.deleteUrl}${id}`, {
|
||||
method: "POST",
|
||||
body: payload,
|
||||
credentials: "same-origin",
|
||||
});
|
||||
if (!response.ok) {
|
||||
const message = await this.extractError(response);
|
||||
this.setStatus(message || "Löschen fehlgeschlagen.", true);
|
||||
return;
|
||||
}
|
||||
const json = await this.safeJson(response);
|
||||
if (json && json.error) {
|
||||
this.setStatus(json.error, true);
|
||||
return;
|
||||
}
|
||||
this.setStatus((json && json.message) || "Bild gelöscht.");
|
||||
await this.refreshList();
|
||||
}
|
||||
}
|
||||
|
||||
async refreshList() {
|
||||
if (!this.listUrl || !this.list) return;
|
||||
const url = `${this.listUrl}?prefix=${encodeURIComponent(this.imagePrefix)}`;
|
||||
if (window.htmx && typeof window.htmx.ajax === "function") {
|
||||
window.htmx.ajax("GET", url, {
|
||||
target: this.list,
|
||||
swap: "innerHTML",
|
||||
}).then(() => {
|
||||
this.initSort();
|
||||
this.applyDefaultSort();
|
||||
this.normalizeUrls();
|
||||
this.highlightNew();
|
||||
});
|
||||
return;
|
||||
}
|
||||
const response = await fetch(url, { credentials: "same-origin" });
|
||||
if (!response.ok) {
|
||||
this.setStatus("Aktualisieren fehlgeschlagen.", true);
|
||||
return;
|
||||
}
|
||||
const html = await response.text();
|
||||
this.list.innerHTML = html;
|
||||
this.initSort();
|
||||
this.applyDefaultSort();
|
||||
this.normalizeUrls();
|
||||
this.highlightNew();
|
||||
}
|
||||
|
||||
initSort() {
|
||||
if (!this.list) return;
|
||||
const buttons = Array.from(this.list.querySelectorAll("[data-role='image-sort']"));
|
||||
if (buttons.length === 0) return;
|
||||
buttons.forEach((button) => {
|
||||
button.addEventListener("click", () => this.sortBy(button));
|
||||
});
|
||||
}
|
||||
|
||||
sortBy(button) {
|
||||
if (!this.list) return;
|
||||
const key = button.getAttribute("data-sort-key");
|
||||
const table = this.list.querySelector("table");
|
||||
const tbody = table ? table.querySelector("tbody") : null;
|
||||
if (!tbody || !key) return;
|
||||
const current = button.getAttribute("data-sort-dir") || "desc";
|
||||
const next = current === "asc" ? "desc" : "asc";
|
||||
button.setAttribute("data-sort-dir", next);
|
||||
const rows = Array.from(tbody.querySelectorAll("tr"));
|
||||
rows.sort((a, b) => {
|
||||
if (key === "created") {
|
||||
const av = parseInt(a.getAttribute("data-created") || "0", 10);
|
||||
const bv = parseInt(b.getAttribute("data-created") || "0", 10);
|
||||
return next === "asc" ? av - bv : bv - av;
|
||||
}
|
||||
const at = (a.getAttribute("data-title") || "").toLowerCase();
|
||||
const bt = (b.getAttribute("data-title") || "").toLowerCase();
|
||||
if (at === bt) return 0;
|
||||
const cmp = at < bt ? -1 : 1;
|
||||
return next === "asc" ? cmp : -cmp;
|
||||
});
|
||||
rows.forEach((row) => tbody.appendChild(row));
|
||||
}
|
||||
|
||||
applyDefaultSort() {
|
||||
if (!this.list) return;
|
||||
const createdButton = this.list.querySelector("[data-role='image-sort'][data-sort-key='created']");
|
||||
if (!createdButton) return;
|
||||
createdButton.setAttribute("data-sort-dir", "asc");
|
||||
this.sortBy(createdButton);
|
||||
}
|
||||
|
||||
highlightNew() {
|
||||
if (!this.list || !this.lastUploadedId) return;
|
||||
const row = this.list.querySelector(`tr[data-id="${this.lastUploadedId}"]`);
|
||||
if (!row) return;
|
||||
row.classList.add("bg-yellow-50");
|
||||
setTimeout(() => row.classList.remove("bg-yellow-50"), 2000);
|
||||
row.scrollIntoView({ block: "nearest" });
|
||||
this.lastUploadedId = "";
|
||||
}
|
||||
|
||||
normalizeUrls() {
|
||||
if (!this.list) return;
|
||||
const origin = window.location.origin;
|
||||
const withOrigin = (url) => {
|
||||
if (!url) return url;
|
||||
if (url.startsWith("http://") || url.startsWith("https://")) return url;
|
||||
try {
|
||||
return new URL(url, origin).toString();
|
||||
} catch {
|
||||
return url;
|
||||
}
|
||||
};
|
||||
const urlNodes = Array.from(this.list.querySelectorAll("[data-url]"));
|
||||
urlNodes.forEach((node) => {
|
||||
const raw = node.getAttribute("data-url");
|
||||
const abs = withOrigin(raw);
|
||||
node.setAttribute("data-url", abs);
|
||||
if (node.tagName === "A") {
|
||||
node.setAttribute("href", abs);
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
toggleForm() {
|
||||
if (!this.form) return;
|
||||
this.form.classList.toggle("hidden");
|
||||
}
|
||||
|
||||
togglePanel() {
|
||||
if (!this.collapsePanel) return;
|
||||
const isHidden = this.collapsePanel.classList.contains("hidden");
|
||||
this.collapsePanel.classList.toggle("hidden");
|
||||
if (this.collapseIcon) {
|
||||
this.collapseIcon.classList.toggle("rotate-180", isHidden);
|
||||
}
|
||||
}
|
||||
|
||||
updateDropzone() {
|
||||
if (this.imageDropText && this.imageInput) {
|
||||
const file = this.imageInput.files && this.imageInput.files[0];
|
||||
this.imageDropText.textContent = file
|
||||
? `${file.name} (${this.formatBytes(file.size) || "?"})`
|
||||
: "Bild ablegen oder auswählen";
|
||||
}
|
||||
if (this.previewDropText && this.previewInput) {
|
||||
const file = this.previewInput.files && this.previewInput.files[0];
|
||||
this.previewDropText.textContent = file
|
||||
? `${file.name} (${this.formatBytes(file.size) || "?"})`
|
||||
: "Optional – Vorschau ablegen";
|
||||
}
|
||||
}
|
||||
|
||||
initTrix() {
|
||||
if (!this.descriptionInput || !this.descriptionEditor || !this.descriptionToolbar) return;
|
||||
if (!this.descriptionInput.id) {
|
||||
const id = "image-desc-" + Math.random().toString(36).slice(2);
|
||||
this.descriptionInput.id = id;
|
||||
this.descriptionToolbar.id = id + "-toolbar";
|
||||
this.descriptionEditor.setAttribute("input", id);
|
||||
this.descriptionEditor.setAttribute("toolbar", this.descriptionToolbar.id);
|
||||
}
|
||||
}
|
||||
|
||||
onDragOver(event, zone) {
|
||||
event.preventDefault();
|
||||
if (zone) {
|
||||
zone.classList.add("border-slate-500", "bg-slate-50");
|
||||
}
|
||||
}
|
||||
|
||||
onDragLeave(event, zone) {
|
||||
event.preventDefault();
|
||||
if (zone) {
|
||||
zone.classList.remove("border-slate-500", "bg-slate-50");
|
||||
}
|
||||
}
|
||||
|
||||
onDrop(event, input, kind) {
|
||||
event.preventDefault();
|
||||
if (!input) return;
|
||||
const files = event.dataTransfer?.files;
|
||||
if (!files || files.length === 0) return;
|
||||
input.files = files;
|
||||
this.updateDropzone();
|
||||
this.onDragLeave(event, kind === "preview" ? this.previewDropzone : this.imageDropzone);
|
||||
}
|
||||
|
||||
formatBytes(bytes) {
|
||||
if (!bytes || Number.isNaN(bytes)) return "";
|
||||
const units = ["B", "KB", "MB", "GB", "TB"];
|
||||
let size = bytes;
|
||||
let unit = 0;
|
||||
while (size >= 1024 && unit < units.length - 1) {
|
||||
size /= 1024;
|
||||
unit += 1;
|
||||
}
|
||||
const precision = unit === 0 ? 0 : 1;
|
||||
return `${size.toFixed(precision)} ${units[unit]}`;
|
||||
}
|
||||
|
||||
async safeJson(response) {
|
||||
const contentType = response.headers.get("content-type") || "";
|
||||
if (!contentType.includes("application/json")) {
|
||||
return null;
|
||||
}
|
||||
try {
|
||||
return await response.json();
|
||||
} catch {
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
async extractError(response) {
|
||||
const json = await this.safeJson(response);
|
||||
if (json) {
|
||||
if (json.error) {
|
||||
return json.error;
|
||||
}
|
||||
if (json.message) {
|
||||
return json.message;
|
||||
}
|
||||
}
|
||||
const text = await response.text().catch(() => "");
|
||||
return text.trim();
|
||||
}
|
||||
}
|
||||
|
||||
customElements.define("image-uploader", ImageUploader);
|
||||
})();
|
||||
</script>
|
||||
Reference in New Issue
Block a user