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82 lines
2.3 KiB
82 lines
2.3 KiB
import type { Morfo } from '../types';
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import { v } from '../types';
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export const virtualGridMorfo = {
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name: 'VirtualGrid',
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kebab: 'virtual-grid',
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scope: ['soma', 'sema'],
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// User scroll events use handle base; programmatic scroll events use
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// shift.navigate base. Family defaults are appropriate.
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expression: 'family-default',
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texts: {
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label: '#?components.virtual-grid.label|Virtual Grid'
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},
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events: [
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{
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// User-initiated viewport scroll on the row axis. Per book
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// cap. 25, handle is direct manipulation of an object —
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// scrolling the viewport rows fits. `scroll` extends book canon
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// per Cap 8 §1. Was misclassified as shift.navigate.
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name: 'handle-scroll-row',
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semantic: {
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family: 'handle',
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verb: 'scroll',
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target: v.partRef('viewport'),
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sequence: 'post'
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}
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},
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{
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// User-initiated viewport scroll on the column axis. Same as
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// above, axis split for sema cascade differentiation.
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name: 'handle-scroll-column',
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semantic: {
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family: 'handle',
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verb: 'scroll',
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target: v.partRef('viewport'),
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sequence: 'post'
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}
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},
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{
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// `scrollToCell` called imperatively → the SYSTEM moves the
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// viewport (not handle, which requires direct user control).
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// `shift.navigate` per book cap. 27 §5.
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name: 'shift-navigate-to-cell',
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semantic: {
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family: 'shift',
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verb: 'navigate',
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target: v.partRef('viewport'),
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sequence: 'post'
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}
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},
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{
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// `rowCount` or `columnCount` changed (data grew or shrank).
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// The system applied a new size. `commit.set` per book cap. 23.
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name: 'commit-set-resize',
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semantic: {
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family: 'commit',
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verb: 'set',
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target: v.partRef('provider'),
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intent: 'neutral',
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sequence: 'post'
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}
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}
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],
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parts: [
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{ name: 'Provider', kebab: 'provider', kind: 'public', defaultElement: 'div', optional: false, data: [], aria: [] },
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{ name: 'Viewport', kebab: 'viewport', kind: 'public', defaultElement: 'div', optional: false, data: [], aria: [] },
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{
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name: 'Cell',
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kebab: 'cell',
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archetype: 'item',
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kind: 'public',
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defaultElement: 'div',
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optional: false,
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data: [
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{ attr: 'data-row-index', value: v.propRef('rowIndex'), emit: 'value' },
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{ attr: 'data-column-index', value: v.propRef('columnIndex'), emit: 'value' }
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],
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aria: []
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}
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]
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} as const satisfies Morfo;
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