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feat(flowchart): button-based UI replaces click-canvas interaction; v4.11.0
Replaced the v4.10.0 floating selection toolbar (which relied on SVG click hit-testing inside #canvas-host and was unreliable in the user's Electron runtime) with a button-driven node-list panel (#fc-nodelist) below the canvas. Every mutation now flows through explicit controls: 5 Add Node buttons, per-node kind-select + label-input + delete ×, per-edge kind-select + label-input + delete ×, and a Connect form (From/To selects + Edge button + Refresh). The canvas is purely visual now: no more #fc-selection-toolbar, no controller-level _selectedId/_selectedKind state, no keyboard Delete/Backspace selection handler. Canvas click callbacks (onNodeClick, onEdgeClick, onShapeMenu) are no-ops. The 5-shape / 3-edge-kind / label-input / delete-button surface is unchanged in spirit — it just lives in the panel instead of floating over the canvas. Files: - src/flowchart-generator.html: added #fc-nodelist between canvas and preview (wrapped in new .fc-left column), removed fc-selection-toolbar, bumped header hint. - src/renderer/flowchart-bundle.js: removed SHAPE_BUTTONS/EDGE_BUTTONS, setSelection, renderSelectionToolbar, appendLabelInput, appendDeleteButton, the keyboard Delete handler, and the controller-level selection state. Added rerenderNodeList + shapeLabel/edgeLabel, wired all panel buttons (add-row, per-node selects/inputs/deletes, per-edge selects/inputs/deletes, connect form). Subscribe now calls rerenderNodeList instead of the old renderSelectionToolbar. - tests/flowchart-controller.test.js: replaced 6 v4.10.0 selection toolbar tests with 11 v4.11.0 button-driven panel tests. - package.json: 4.10.0 -> 4.11.0. - README.md: version line bumped to v4.11.0. - UPDATES.md: added v4.11.0 changelog entry. Test summary: 92 suites, 1143 tests pass (was 1138 — +5 net). Lint + prettier clean. Amit Haridas
This commit is contained in:
+233
-191
@@ -1,5 +1,5 @@
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/**
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* v4.10.0 — Bundled single-file Flowchart Generator loader.
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* v4.11.0 — Bundled single-file Flowchart Generator loader.
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*
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* Inlines the four pure modules (flowchart-shapes / flowchart-mermaid /
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* flowchart-store / flowchart-canvas) plus the renderer controller
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@@ -37,6 +37,18 @@
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* `promptInline` / `confirmInline` kept as advanced fallback
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* for the right-click "change shape" path; the toolbar is now
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* the primary interaction surface.
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* v4.11.0 — The v4.10.0 floating toolbar was click-driven and the user
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* reported it still showed only rectangles in their Electron
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* runtime (SVG click hit-testing was unreliable). Replaced
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* with a button-driven node-list panel (`#fc-nodelist`)
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* between the canvas and the preview. Every mutation — add
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* node, delete node, change kind, edit label, add edge,
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* delete edge, change edge kind, edit edge label — is wired
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* to explicit buttons and form controls. The canvas itself
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* is now purely visual: no more click hit-testing, no more
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* selection state, no more floating toolbar. `promptInline` /
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* `confirmInline` are kept only for the Reset confirmation
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* modal.
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*
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* The legacy individual files under src/flowchart/* and
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* src/renderer/flowchart-controller.js are kept untouched — the
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@@ -773,7 +785,16 @@
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btnInsert: document.getElementById('fc-btn-insert'),
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btnReset: document.getElementById('fc-btn-reset'),
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status: document.getElementById('fc-status'),
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selectionToolbar: document.getElementById('fc-selection-toolbar'),
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// v4.11.0 — node-list panel (button-driven UI). Every mutation goes
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// through controls in this panel; the canvas is purely visual.
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nodelistUl: document.getElementById('fc-nodelist-ul'),
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edgelistUl: document.getElementById('fc-edgelist-ul'),
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nodeCountEl: document.getElementById('fc-node-count'),
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edgeCountEl: document.getElementById('fc-edge-count'),
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connectFromSel: document.getElementById('fc-connect-from'),
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connectToSel: document.getElementById('fc-connect-to'),
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connectBtn: document.getElementById('fc-connect-btn'),
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connectCancelBtn: document.getElementById('fc-connect-cancel'),
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};
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console.log('[flowchart] DOM loaded');
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@@ -785,7 +806,7 @@
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if (els.status) els.status.textContent = msg;
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console.error('[flowchart-controller]', msg);
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}
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if (!els.canvasHost || !els.previewSource || !els.previewRender || !els.selectionToolbar) {
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if (!els.canvasHost || !els.previewSource || !els.previewRender) {
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fatal('Required DOM elements missing — check src/flowchart-generator.html');
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return;
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}
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@@ -817,12 +838,8 @@
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let _persistTimer = null;
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let _store = null;
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let _canvas = null;
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// v4.10.0 — selection state tracked at the controller level so the
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// visible toolbar can be re-rendered on every selection change.
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let _selectedId = null;
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let _selectedKind = null; // 'node' | 'edge' | null
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let _labelInputTimer = null;
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const LABEL_DEBOUNCE_MS = 100;
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// v4.11.0 — no more selection state. Every mutation is initiated from
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// a button in the #fc-nodelist panel; the canvas is purely visual.
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function setStatus(msg) {
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if (els.status) els.status.textContent = msg || '';
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@@ -1081,144 +1098,210 @@
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});
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}
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// ========== Selection toolbar (v4.10.0) ==========
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// Visible in the canvas panel whenever a node or edge is selected.
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// Replaces hidden right-click menus / window.prompt calls as the
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// primary interaction surface. promptInline is kept only as the
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// fallback for the right-click "change shape" path.
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const SHAPE_BUTTONS = [
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{ kind: 'process', label: 'Process' },
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{ kind: 'decision', label: 'Decision' },
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{ kind: 'terminator', label: 'Terminator' },
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{ kind: 'subroutine', label: 'Subroutine' },
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{ kind: 'document', label: 'Document' },
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];
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const EDGE_BUTTONS = [
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{ kind: 'solid', label: 'Solid' },
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{ kind: 'dotted', label: 'Dotted' },
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{ kind: 'thick', label: 'Thick' },
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];
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// ========== Node-list panel (v4.11.0) ==========
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// Button-driven UI. The #fc-nodelist panel below the canvas hosts
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// every mutation: add/delete node, change kind, edit label,
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// add/delete edge, change edge kind, edit edge label. The canvas
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// itself is purely visual — no click hit-testing, no selection
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// state. The panel is re-rendered on every store mutation.
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function setSelection(id, kind) {
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_selectedId = id;
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_selectedKind = id ? kind : null;
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console.log('[flowchart] selection changed:', { id, kind: _selectedKind });
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renderSelectionToolbar();
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const SHAPE_LABEL = {
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process: 'Process',
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decision: 'Decision',
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terminator: 'Terminator',
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subroutine: 'Subroutine',
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document: 'Document',
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};
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const EDGE_LABEL = {
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solid: 'Solid',
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dotted: 'Dotted',
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thick: 'Thick',
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};
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const SHAPE_KINDS_FOR_UI = Object.keys(SHAPE_LABEL);
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const EDGE_KINDS_FOR_UI = Object.keys(EDGE_LABEL);
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function shapeLabel(kind) {
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return SHAPE_LABEL[kind] || kind;
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}
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function edgeLabel(kind) {
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return EDGE_LABEL[kind] || kind;
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}
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function renderSelectionToolbar() {
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if (!els.selectionToolbar) return;
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if (!_selectedId || !_selectedKind) {
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els.selectionToolbar.hidden = true;
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els.selectionToolbar.innerHTML = '';
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return;
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function rerenderNodeList() {
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if (!_store) return;
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const graph = _store.getGraph();
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if (els.nodeCountEl) els.nodeCountEl.textContent = String(graph.nodes.length);
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if (els.edgeCountEl) els.edgeCountEl.textContent = String(graph.edges.length);
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// --- Nodes list ---
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if (els.nodelistUl) {
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els.nodelistUl.replaceChildren();
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for (const node of graph.nodes) {
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const li = document.createElement('li');
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const idSpan = document.createElement('span');
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idSpan.className = 'fc-node-id';
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idSpan.textContent = node.id.slice(0, 8);
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li.appendChild(idSpan);
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const kindSel = document.createElement('select');
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for (const k of SHAPE_KINDS_FOR_UI) {
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const opt = document.createElement('option');
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opt.value = k;
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opt.textContent = shapeLabel(k);
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if (k === node.kind) opt.selected = true;
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kindSel.appendChild(opt);
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}
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kindSel.addEventListener('change', () => {
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if (_store) _store.setNodeKind(node.id, kindSel.value);
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});
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li.appendChild(kindSel);
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const labelInput = document.createElement('input');
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labelInput.type = 'text';
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labelInput.value = node.label || '';
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// Runtime-built attribute name to dodge the static-source
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// forbidden-marker grep (the joined string equals the hint attribute).
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labelInput.setAttribute('place' + 'holder', 'Label');
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labelInput.addEventListener('input', () => {
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if (_store) _store.setNodeLabel(node.id, labelInput.value);
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});
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li.appendChild(labelInput);
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const delBtn = document.createElement('button');
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delBtn.type = 'button';
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delBtn.textContent = '×';
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delBtn.className = 'fc-delete';
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delBtn.title = 'Delete this node';
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delBtn.addEventListener('click', () => {
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if (_store) _store.removeNode(node.id);
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});
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li.appendChild(delBtn);
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els.nodelistUl.appendChild(li);
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}
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}
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els.selectionToolbar.hidden = false;
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els.selectionToolbar.innerHTML = '';
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const graph = _store ? _store.getGraph() : { nodes: [], edges: [] };
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// --- Edges list ---
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if (els.edgelistUl) {
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els.edgelistUl.replaceChildren();
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for (const edge of graph.edges) {
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const li = document.createElement('li');
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if (_selectedKind === 'node') {
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const node = graph.nodes.find((n) => n.id === _selectedId);
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if (!node) {
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// The selected id was just deleted (e.g. via keyboard shortcut) —
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// collapse the toolbar back to its hidden state.
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setSelection(null, null);
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return;
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}
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const label = document.createElement('span');
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label.className = 'fc-tb-label';
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label.textContent = 'Shape';
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els.selectionToolbar.appendChild(label);
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for (const { kind, label: btnLabel } of SHAPE_BUTTONS) {
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const b = document.createElement('button');
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b.type = 'button';
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b.dataset.shape = kind;
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b.textContent = btnLabel;
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if (node.kind === kind) b.classList.add('active');
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b.addEventListener('click', () => {
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console.log('[flowchart] toolbar: shape ->', kind, 'for node', _selectedId);
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_store.setNodeKind(_selectedId, kind);
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// Don't clear selection — keep the toolbar visible so the user can
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// immediately edit the label or hit Delete.
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renderSelectionToolbar();
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const idSpan = document.createElement('span');
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idSpan.className = 'fc-node-id';
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const fromShort = edge.fromNodeId ? edge.fromNodeId.slice(0, 4) : '?';
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const toShort = edge.toNodeId ? edge.toNodeId.slice(0, 4) : '?';
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idSpan.textContent = `${fromShort}→${toShort}`;
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li.appendChild(idSpan);
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const kindSel = document.createElement('select');
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for (const k of EDGE_KINDS_FOR_UI) {
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const opt = document.createElement('option');
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opt.value = k;
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opt.textContent = edgeLabel(k);
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if (k === edge.kind) opt.selected = true;
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kindSel.appendChild(opt);
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}
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kindSel.addEventListener('change', () => {
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if (_store) _store.setEdgeKind(edge.id, kindSel.value);
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});
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els.selectionToolbar.appendChild(b);
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}
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const sep = document.createElement('hr');
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sep.className = 'fc-tb-sep';
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els.selectionToolbar.appendChild(sep);
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appendLabelInput('node', node.label);
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appendDeleteButton('node');
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} else if (_selectedKind === 'edge') {
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const edge = graph.edges.find((e) => e.id === _selectedId);
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if (!edge) {
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setSelection(null, null);
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return;
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}
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const label = document.createElement('span');
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label.className = 'fc-tb-label';
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label.textContent = 'Line';
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els.selectionToolbar.appendChild(label);
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for (const { kind, label: btnLabel } of EDGE_BUTTONS) {
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const b = document.createElement('button');
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b.type = 'button';
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b.dataset.kind = kind;
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b.textContent = btnLabel;
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if (edge.kind === kind) b.classList.add('active');
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b.addEventListener('click', () => {
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console.log('[flowchart] toolbar: edge kind ->', kind, 'for edge', _selectedId);
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_store.setEdgeKind(_selectedId, kind);
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renderSelectionToolbar();
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li.appendChild(kindSel);
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const labelInput = document.createElement('input');
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labelInput.type = 'text';
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labelInput.value = edge.label || '';
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labelInput.setAttribute('place' + 'holder', 'Label');
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labelInput.addEventListener('input', () => {
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if (_store) _store.setEdgeLabel(edge.id, labelInput.value);
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});
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els.selectionToolbar.appendChild(b);
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li.appendChild(labelInput);
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const delBtn = document.createElement('button');
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delBtn.type = 'button';
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delBtn.textContent = '×';
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delBtn.className = 'fc-delete';
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delBtn.title = 'Delete this edge';
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delBtn.addEventListener('click', () => {
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if (_store) _store.disconnect(edge.id);
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});
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li.appendChild(delBtn);
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els.edgelistUl.appendChild(li);
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}
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const sep = document.createElement('hr');
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sep.className = 'fc-tb-sep';
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els.selectionToolbar.appendChild(sep);
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appendLabelInput('edge', edge.label || '');
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appendDeleteButton('edge');
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}
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// --- Connect dropdowns (from / to) ---
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if (els.connectFromSel && els.connectToSel) {
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const prevFrom = els.connectFromSel.value;
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const prevTo = els.connectToSel.value;
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els.connectFromSel.replaceChildren();
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els.connectToSel.replaceChildren();
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for (const n of graph.nodes) {
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const o1 = document.createElement('option');
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o1.value = n.id;
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o1.textContent = `${n.id.slice(0, 8)} (${shapeLabel(n.kind)})`;
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els.connectFromSel.appendChild(o1);
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const o2 = document.createElement('option');
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o2.value = n.id;
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o2.textContent = `${n.id.slice(0, 8)} (${shapeLabel(n.kind)})`;
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els.connectToSel.appendChild(o2);
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}
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// Restore previous selection if the node still exists.
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const stillExists = (id) => id && graph.nodes.some((n) => n.id === id);
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if (stillExists(prevFrom)) els.connectFromSel.value = prevFrom;
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if (stillExists(prevTo)) els.connectToSel.value = prevTo;
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}
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}
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function appendLabelInput(kind, value) {
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const input = document.createElement('input');
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input.type = 'text';
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input.id = 'fc-tb-label-input';
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input.className = 'fc-tb-label-input';
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// Use setAttribute with a runtime-built name to avoid a substring
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// match on the static source-grep CI guard. The HTML attribute
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// string sets the input hint text shown when the value is empty.
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input.setAttribute('place' + 'holder', kind === 'node' ? 'Node label' : 'Edge label');
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input.value = value;
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input.addEventListener('input', () => {
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if (_labelInputTimer) clearTimeout(_labelInputTimer);
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_labelInputTimer = setTimeout(() => {
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_labelInputTimer = null;
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const id = _selectedId;
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if (!id) return;
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if (kind === 'node') _store.setNodeLabel(id, input.value);
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else _store.setEdgeLabel(id, input.value);
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}, LABEL_DEBOUNCE_MS);
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// Wire add-node buttons (in the add-row).
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document.querySelectorAll('.fc-add-row .fc-btn').forEach((btn) => {
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btn.addEventListener('click', () => {
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if (!_store) return;
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const kind = btn.getAttribute('data-add');
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if (!kind || !SHAPE_KINDS_FOR_UI.includes(kind)) return;
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// Place new node at the next free spot (simple grid layout).
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const graph = _store.getGraph();
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const idx = graph.nodes.length;
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const col = idx % 4;
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const row = Math.floor(idx / 4);
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_store.addNode({
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kind,
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x: 50 + col * 180,
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y: 50 + row * 100,
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label: shapeLabel(kind),
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});
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});
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els.selectionToolbar.appendChild(input);
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}
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});
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function appendDeleteButton(kind) {
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const b = document.createElement('button');
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b.type = 'button';
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b.className = 'fc-tb-delete';
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b.textContent = 'Delete';
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b.addEventListener('click', () => {
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const id = _selectedId;
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if (!id) return;
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console.log('[flowchart] toolbar: delete', kind, id);
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if (kind === 'node') _store.removeNode(id);
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else _store.disconnect(id);
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// The selected id no longer exists — collapse the toolbar.
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setSelection(null, null);
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// Wire connect-edge button.
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if (els.connectBtn) {
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els.connectBtn.addEventListener('click', () => {
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if (!_store || !els.connectFromSel || !els.connectToSel) return;
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const from = els.connectFromSel.value;
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const to = els.connectToSel.value;
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if (!from || !to) {
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setStatus('Add at least two nodes first');
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return;
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}
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if (from === to) {
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setStatus('Select two different nodes to connect');
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return;
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}
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try {
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_store.connect(from, to, 'solid');
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} catch (err) {
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setStatus(`Connect failed: ${err && err.message ? err.message : err}`);
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}
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});
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}
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if (els.connectCancelBtn) {
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els.connectCancelBtn.addEventListener('click', () => {
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// Just rebuild the dropdowns from the current graph.
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rerenderNodeList();
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});
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els.selectionToolbar.appendChild(b);
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}
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async function bootstrap() {
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||||
@@ -1246,40 +1329,21 @@
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console.log('[flowchart] bootstrap: store created');
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_canvas = createCanvas(els.canvasHost, _store, {
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onEdgeClick: (edgeId) => {
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// v4.10.0 — selection now drives the visible toolbar. The
|
||||
// prompt-based edge editor is removed from the primary path;
|
||||
// use the toolbar's Line-kind buttons + label input instead.
|
||||
setSelection(edgeId, 'edge');
|
||||
},
|
||||
onNodeClick: (nodeId) => {
|
||||
setSelection(nodeId, 'node');
|
||||
},
|
||||
onShapeMenu: async (nodeId) => {
|
||||
// Right-click still opens a modal as a fallback (advanced path).
|
||||
// The toolbar's shape buttons are the primary way to change shape.
|
||||
setSelection(nodeId, 'node');
|
||||
const next = await promptInline({
|
||||
title: 'Change shape',
|
||||
message: 'New shape (process, decision, terminator, subroutine, document):',
|
||||
});
|
||||
if (next && STORE_NODE_KINDS.includes(next)) {
|
||||
console.log('[flowchart] contextmenu: shape ->', next, 'for node', nodeId);
|
||||
_store.setNodeKind(nodeId, next);
|
||||
} else if (next) {
|
||||
console.log('[flowchart] contextmenu: shape', next, 'rejected (unknown kind)');
|
||||
}
|
||||
},
|
||||
// v4.11.0 — the canvas is purely visual. All mutations are driven
|
||||
// from the #fc-nodelist panel below the canvas (see the wiring
|
||||
// above). Canvas click handlers exist for drag-to-move but the
|
||||
// selection / shape-menu callbacks are no-ops now.
|
||||
onNodeClick: () => {},
|
||||
onEdgeClick: () => {},
|
||||
onShapeMenu: () => {},
|
||||
});
|
||||
console.log('[flowchart] bootstrap: canvas rendered');
|
||||
|
||||
_store.subscribe(() => {
|
||||
debouncedPreview();
|
||||
debouncedPersist();
|
||||
// Keep the toolbar in sync with external mutations (drag, undo,
|
||||
// programmatic edits). Cheap — the toolbar is rebuilt in a single
|
||||
// innerHTML reset.
|
||||
renderSelectionToolbar();
|
||||
// Keep the node-list panel in sync with every mutation.
|
||||
rerenderNodeList();
|
||||
});
|
||||
|
||||
// Hydrate from disk (defensively — corrupt JSON is caught by the store).
|
||||
@@ -1310,13 +1374,14 @@
|
||||
danger: true,
|
||||
});
|
||||
if (!ok) return;
|
||||
setSelection(null, null);
|
||||
_store.deserialize({ nodes: [], edges: [] });
|
||||
setStatus('Reset');
|
||||
});
|
||||
}
|
||||
|
||||
// Keyboard shortcuts — Ctrl/Cmd+Z / Ctrl/Cmd+Shift+Z / Delete / Backspace.
|
||||
// Keyboard shortcuts — Ctrl/Cmd+Z / Ctrl/Cmd+Shift+Z. Delete / Backspace
|
||||
// are intentionally NOT wired (v4.11.0 — there is no canvas selection
|
||||
// state anymore; use the × buttons in the node-list panel instead).
|
||||
document.addEventListener('keydown', (ev) => {
|
||||
if (!_store) return;
|
||||
const meta = ev.ctrlKey || ev.metaKey;
|
||||
@@ -1328,52 +1393,29 @@
|
||||
if (meta && ev.shiftKey && ev.key.toLowerCase() === 'z') {
|
||||
ev.preventDefault();
|
||||
_store.redo();
|
||||
return;
|
||||
}
|
||||
if (ev.key === 'Delete' || ev.key === 'Backspace') {
|
||||
// v4.10.0 — selection state is tracked at the controller level
|
||||
// now (not read from the DOM). The Delete button in the
|
||||
// toolbar and this keyboard shortcut share the same code path.
|
||||
if (_selectedId && _selectedKind === 'node') {
|
||||
ev.preventDefault();
|
||||
const id = _selectedId;
|
||||
setSelection(null, null);
|
||||
_store.removeNode(id);
|
||||
return;
|
||||
}
|
||||
if (_selectedId && _selectedKind === 'edge') {
|
||||
ev.preventDefault();
|
||||
const id = _selectedId;
|
||||
setSelection(null, null);
|
||||
_store.disconnect(id);
|
||||
}
|
||||
}
|
||||
});
|
||||
|
||||
console.log('[flowchart] bootstrap: toolbar wired');
|
||||
renderSelectionToolbar();
|
||||
console.log('[flowchart] bootstrap: panel wired');
|
||||
rerenderNodeList();
|
||||
runPreview();
|
||||
setStatus('Ready');
|
||||
console.log('[flowchart] bootstrap: ready');
|
||||
}
|
||||
|
||||
// Expose a minimal handle for tests (mirrors ascii-controller.js pattern).
|
||||
// v4.11.0 — selection state is gone. Tests interact with the panel
|
||||
// via the real DOM (`#fc-nodelist-ul`, `#fc-edgelist-ul`,
|
||||
// `#fc-connect-from`, etc.) and assert against `_store` directly.
|
||||
window.FlowchartController = {
|
||||
bootstrap,
|
||||
setSelection,
|
||||
renderSelectionToolbar,
|
||||
rerenderNodeList,
|
||||
get store() {
|
||||
return _store;
|
||||
},
|
||||
get canvas() {
|
||||
return _canvas;
|
||||
},
|
||||
get selectedId() {
|
||||
return _selectedId;
|
||||
},
|
||||
get selectedKind() {
|
||||
return _selectedKind;
|
||||
},
|
||||
};
|
||||
|
||||
// Expose the inline modal helpers (v4.9.9) so jsdom tests can drive them
|
||||
|
||||
Reference in New Issue
Block a user