Visual distinction:
- Populated dimension: dashed cyan ring + [+] indicator
- Empty dimension: subtle gray dashed ring + [○] indicator
- No dimension: plain station (no ring)
Context menu changes:
- "Open dimension" on nodes that have children (zooms in directly)
- "Add dimension" on nodes without children (creates empty zoomable space)
- Removed old "Add child node" option
Add dimension creates an empty children structure on the node with
proper parent metadata. The node immediately shows the [○] indicator
and becomes zoomable. User enters and builds tracks with FAB + branch
handles. Truly recursive metro — any station can contain a world.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Zoom fix: The zoom handler was being completely removed during the
fit-to-view animation (svg.on('.zoom', null)), which meant D3's
transition dispatched zoom events that nobody handled — so `g` never
got its transform updated during the animation. The view stayed stuck
at the old scale until the user scrolled again.
Fix: Keep handleZoom active during commit animation. When isCommitting
is true, it only applies the visual transform (g.attr('transform'))
and skips threshold logic. This lets D3's transition smoothly animate
`g` to the fit-to-view position.
Branch handles: Removed the occupied-position check. In a real metro,
stations can be shared between lines (interchanges). Now all 3 branch
handles always appear. Ghost preview shows "interchange" label when
targeting an occupied position.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Phase 1 — Fit-to-view zoom:
- computeFitTransform() calculates bounding box and scales to fit all nodes
- Replaces hardcoded scale=1 reset in animateZoomReset() and initCanvas()
- Dim 1 no longer appears tiny after zooming out from dim 2
Phase 2 — Grid system:
- Shared gridConstants.js (GRID=50, GRID_STEP_X=200, GRID_STEP_Y=150)
- MapDataService snapToGrid() aligns all node positions server-side
- Canvas renders subtle grid lines (shown on interaction only, with fade)
- Line highlighting support via setHighlightedLine() for FAB hover
Phase 3 — Branch handles:
- Hover any station node → 3 "+" handles appear (0°/45°/315°)
- 0° extends the current line, 45°/315° fork to create new branch
- Ghost preview (dashed line + circle) on handle hover
- Handles only show at unoccupied grid positions
- Grid fades in during handle interaction, fades out after
Phase 4 — Custom tracks database:
- metro_lines table (project_id, naam, color, type, order)
- metro_nodes table (metro_line_id, naam, status, x, y, order)
- MetroLine + MetroNode models, controllers, routes
- Project.metroLines() relationship added
Phase 5+6 — FAB redesign + MetroMap wiring:
- FAB shows "Nieuw thema (lijn)" at root, "Nieuwe lijn" in project dim
- Track creation modal with retro-styled form
- MetroMap handles create-node events from branch handles
- Extend (0°) opens commitment/document form, fork opens track form
- Canvas context menu replaced with "hover to branch" hint
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
MetroCanvas rewrite:
- Dimension stack: every node can contain children forming a sub-metro-map
- Zoom-triggered transitions: scroll-zoom near a node gradually cross-fades
parent dimension out and child dimension in (threshold 2.5x, range 1.5x)
- Zoom out past 0.5x transitions back to parent dimension
- Right-click context menu: "New node here" on canvas, "Edit/Add child/Delete" on stations
- Depth indicator HUD with back button
- Transition progress bar during cross-fade
- Nodes with children get dashed ring + glow indicator
Backend:
- MapDataService now includes children data inline per project node
- Each project's children contain lifecycle phases, commitments, documents as sub-map
- New API endpoint: GET /api/map/node/{type}/{id}/children for lazy loading
- Consistent data structure: every node has children field (null = leaf)
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
- Add top bar with breadcrumb (left) and user name + logout button (right)
- Move station labels below dots (centered) to prevent line overlap
- Move line labels further above stations
- Increase vertical spacing between metro lines (160px) for label clearance
- Align station x-coordinates for cleaner map layout
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
