diff options
Diffstat (limited to 'src/client/views/CollectionMulticolumnView.tsx')
| -rw-r--r-- | src/client/views/CollectionMulticolumnView.tsx | 70 |
1 files changed, 49 insertions, 21 deletions
diff --git a/src/client/views/CollectionMulticolumnView.tsx b/src/client/views/CollectionMulticolumnView.tsx index ded2aa9df..653ff5b84 100644 --- a/src/client/views/CollectionMulticolumnView.tsx +++ b/src/client/views/CollectionMulticolumnView.tsx @@ -16,17 +16,22 @@ import { computed } from 'mobx'; type MulticolumnDocument = makeInterface<[typeof documentSchema]>; const MulticolumnDocument = makeInterface(documentSchema); -interface LayoutUnit { +interface UnitBase { config: Doc; target: Doc; } -interface Fixed extends LayoutUnit { - pixels: number; +type WidthSpecifier = { pixels: number } | { ratio: number }; +interface LayoutUnit extends UnitBase { + specifier: WidthSpecifier; } -interface Proportional extends LayoutUnit { - ratio: number; +interface Fixed extends UnitBase { + specifier: { pixels: number }; +} + +interface Ratio extends UnitBase { + specifier: { ratio: number }; } @observer @@ -57,9 +62,10 @@ export default class CollectionMulticolumnView extends CollectionSubView(Multico @computed private get layoutInformation() { - const fixed: Fixed[] = []; - const proportional: Proportional[] = []; + const values: LayoutUnit[] = []; let ratioSum = 0; + let fixedCount = 0; + let ratioCount = 0; for (const config of this.configuration) { const { columnWidth, target } = config; if (!(target instanceof Doc)) { @@ -68,23 +74,37 @@ export default class CollectionMulticolumnView extends CollectionSubView(Multico } const widthSpecifier = Cast(columnWidth, "number"); let matches: RegExpExecArray | null; + let specifier: WidthSpecifier | null = null; if (widthSpecifier !== undefined) { // we've gotten a number, referring to a pixel value - fixed.push({ config, target, pixels: widthSpecifier }); + specifier = { pixels: widthSpecifier }; + fixedCount++; } else if ((matches = /^(\d+(\.\d+)?)\*/.exec(StrCast(columnWidth))) !== null) { // we've gotten a proportional measure, like 1.8* const ratio = Number(matches[1]); ratioSum += ratio; - proportional.push({ config, target, ratio }); + specifier = { ratio }; + ratioCount++; + } + if (specifier !== null) { + values.push({ config, target, specifier }); } // otherwise, the particular configuration entry is ignored and the remaining // space is allocated as if the document were absent from the configuration list } - return { fixed, proportional, ratioSum }; + return { values, ratioCount, fixedCount, ratioSum }; } @computed private get totalFixedPool() { - return this.layoutInformation?.fixed.reduce((sum, unit) => sum + unit.pixels, 0); + const fixed: Fixed[] = []; + const layout = this.layoutInformation; + if (!layout) { + return undefined; + } + layout.values.forEach(unit => { + ("pixels" in unit.specifier) && fixed.push(unit as Fixed); + }); + return fixed.reduce((sum, unit) => sum + unit.specifier.pixels, 0); } @computed private get totalProportionalPool() { @@ -96,8 +116,8 @@ export default class CollectionMulticolumnView extends CollectionSubView(Multico const layout = this.layoutInformation; const { totalProportionalPool } = this; if (layout !== null && totalProportionalPool !== undefined) { - const { ratioSum, proportional } = layout; - return (totalProportionalPool - 2 * (proportional.length - 1)) / ratioSum; + const { ratioSum, values } = layout; + return (totalProportionalPool - 2 * (values.length - 1)) / ratioSum; } return undefined; } @@ -108,13 +128,13 @@ export default class CollectionMulticolumnView extends CollectionSubView(Multico if (layout === null) { return (null); } - const { fixed, proportional } = layout; + const { values } = layout; const { columnUnitLength } = this; if (columnUnitLength === undefined) { return (null); } const { GenerateGuid } = Utils; - const toView = ({ target, pixels }: Fixed) => + const toView = ({ target, specifier: { pixels } }: Fixed) => <ContentFittingDocumentView {...this.props} key={GenerateGuid()} @@ -123,16 +143,24 @@ export default class CollectionMulticolumnView extends CollectionSubView(Multico PanelWidth={() => pixels} getTransform={this.props.ScreenToLocalTransform} />; - const collector: JSX.Element[] = fixed.map(toView); - const resolvedColumns = proportional.map(({ target, ratio, config }) => ({ target, pixels: ratio * columnUnitLength, config })); - for (let i = 0; i < resolvedColumns.length; i++) { - collector.push(toView(resolvedColumns[i])); + const resolved: Fixed[] = []; + values.forEach(value => { + const { specifier, ...remaining } = value; + if ("ratio" in specifier) { + resolved.push({ ...remaining, specifier: { pixels: specifier.ratio * columnUnitLength } }); + } else { + resolved.push(value as Fixed); + } + }); + const collector: JSX.Element[] = []; + for (let i = 0; i < resolved.length; i++) { + collector.push(toView(resolved[i])); collector.push( <MulticolumnSpacer key={GenerateGuid()} columnBaseUnit={columnUnitLength} - toLeft={resolvedColumns[i].config} - toRight={resolvedColumns[i + 1]?.config} + toLeft={resolved[i].config} + toRight={resolved[i + 1]?.config} /> ); } |