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Add Pattern Templates for Key Colors targets with visual canvas editor

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Introduce Pattern Template entity as a reusable rectangle layout that
Key Colors targets reference via pattern_template_id. This replaces
inline rectangle storage with a shared template system.

Backend:
- New PatternTemplate data model, store (JSON persistence), CRUD API
- KC targets now reference pattern_template_id instead of inline rectangles
- ProcessorManager resolves pattern template at KC processing start
- Picture source test endpoint supports capture_duration=0 for single frame
- Delete protection: 409 when template is referenced by a KC target

Frontend:
- Pattern Templates section in Key Colors sub-tab with card UI
- Visual canvas editor with drag-to-move, 8-point resize handles
- Background capture from any picture source for visual alignment
- Precise coordinate list synced bidirectionally with canvas
- Resizable editor container, viewport-constrained modal
- KC target editor uses pattern template dropdown instead of inline rects
- Localization (en/ru) for all new UI elements

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Admin
2026-02-12 18:07:40 +03:00
parent 5f9bc9a37e
commit 87e7eee743
21 changed files with 1423 additions and 150 deletions
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server/src/wled_controller/static/index.html
+64 -6
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@@ -378,14 +378,11 @@
<div class="form-group">
<div class="label-row">
<label data-i18n="kc.rectangles">Color Rectangles</label>
<label for="kc-editor-pattern-template" data-i18n="kc.pattern_template">Pattern Template:</label>
<button type="button" class="hint-toggle" onclick="toggleHint(this)" title="?">?</button>
</div>
<small class="input-hint" style="display:none" data-i18n="kc.rectangles.hint">Define named rectangles in relative coordinates (0.0-1.0) on the captured image</small>
<div id="kc-rect-list" class="kc-rect-list"></div>
<button type="button" class="btn btn-secondary kc-add-rect-btn" onclick="addKCRectangle()">
+ <span data-i18n="kc.rect.add">Add Rectangle</span>
</button>
<small class="input-hint" style="display:none" data-i18n="kc.pattern_template.hint">Select the rectangle pattern to use for color extraction</small>
<select id="kc-editor-pattern-template"></select>
</div>
<div id="kc-editor-error" class="error-message" style="display: none;"></div>
@@ -398,6 +395,67 @@
</div>
</div>
<!-- Pattern Template Editor Modal -->
<div id="pattern-template-modal" class="modal">
<div class="modal-content modal-content-wide">
<div class="modal-header">
<h2 id="pattern-template-title" data-i18n="pattern.add">📄 Add Pattern Template</h2>
<button class="modal-close-btn" onclick="closePatternTemplateModal()" title="Close">&#x2715;</button>
</div>
<div class="modal-body">
<form id="pattern-template-form">
<input type="hidden" id="pattern-template-id">
<div class="form-group">
<label for="pattern-template-name" data-i18n="pattern.name">Template Name:</label>
<input type="text" id="pattern-template-name" data-i18n-placeholder="pattern.name.placeholder" placeholder="My Pattern Template" required>
</div>
<div class="form-group">
<label for="pattern-template-description" data-i18n="pattern.description_label">Description (optional):</label>
<input type="text" id="pattern-template-description" data-i18n-placeholder="pattern.description_placeholder" placeholder="Describe this pattern...">
</div>
<!-- Visual Editor -->
<div class="form-group">
<label data-i18n="pattern.visual_editor">Visual Editor</label>
<div class="pattern-bg-row">
<select id="pattern-bg-source"></select>
<button type="button" class="btn btn-icon btn-secondary pattern-capture-btn" onclick="capturePatternBackground()" title="Capture Background" data-i18n-title="pattern.capture_bg">📷</button>
</div>
<div class="pattern-canvas-container">
<canvas id="pattern-canvas"></canvas>
</div>
<div class="pattern-canvas-toolbar">
<button type="button" class="btn btn-secondary" onclick="addPatternRect()">+ <span data-i18n="pattern.rect.add">Add Rectangle</span></button>
<button type="button" class="btn btn-danger" onclick="deleteSelectedPatternRect()" data-i18n="pattern.delete_selected">Delete Selected</button>
</div>
</div>
<!-- Precise coordinate list -->
<div class="form-group">
<label data-i18n="pattern.rectangles">Rectangles</label>
<div id="pattern-rect-labels" class="pattern-rect-labels">
<span data-i18n="pattern.rect.name">Name</span>
<span data-i18n="pattern.rect.x">X</span>
<span data-i18n="pattern.rect.y">Y</span>
<span data-i18n="pattern.rect.width">W</span>
<span data-i18n="pattern.rect.height">H</span>
<span></span>
</div>
<div id="pattern-rect-list" class="pattern-rect-list"></div>
</div>
<div id="pattern-template-error" class="error-message" style="display: none;"></div>
</form>
</div>
<div class="modal-footer">
<button class="btn btn-icon btn-secondary" onclick="closePatternTemplateModal()" title="Cancel">&#x2715;</button>
<button class="btn btn-icon btn-primary" onclick="savePatternTemplate()" title="Save">&#x2713;</button>
</div>
</div>
</div>
<!-- Login Modal -->
<div id="api-key-modal" class="modal">
<div class="modal-content">