From d9e8815ad25b413b825ae72267b85782e787407c Mon Sep 17 00:00:00 2001 From: Sam Wilkins Date: Fri, 17 Jan 2020 21:33:55 -0500 Subject: created files for mcview subcomponents, removed excess zeros in width labels and added colored feedback for resize mode. Need to implement more useful version of 'global' resize mode --- .../CollectionMulticolumnView.scss | 31 ++++ .../CollectionMulticolumnView.tsx | 205 +++++++++++++++++++++ .../collectionMulticolumn/MulticolumnResizer.tsx | 115 ++++++++++++ .../MulticolumnWidthLabel.tsx | 28 +++ 4 files changed, 379 insertions(+) create mode 100644 src/client/views/collections/collectionMulticolumn/CollectionMulticolumnView.scss create mode 100644 src/client/views/collections/collectionMulticolumn/CollectionMulticolumnView.tsx create mode 100644 src/client/views/collections/collectionMulticolumn/MulticolumnResizer.tsx create mode 100644 src/client/views/collections/collectionMulticolumn/MulticolumnWidthLabel.tsx (limited to 'src/client/views/collections/collectionMulticolumn') diff --git a/src/client/views/collections/collectionMulticolumn/CollectionMulticolumnView.scss b/src/client/views/collections/collectionMulticolumn/CollectionMulticolumnView.scss new file mode 100644 index 000000000..062b8ac11 --- /dev/null +++ b/src/client/views/collections/collectionMulticolumn/CollectionMulticolumnView.scss @@ -0,0 +1,31 @@ +.collectionMulticolumnView_contents { + display: flex; + width: 100%; + height: 100%; + overflow: hidden; + + .document-wrapper { + display: flex; + flex-direction: column; + + .display { + text-align: center; + height: 20px; + } + + } + + .resizer { + cursor: ew-resize; + transition: 0.5s opacity ease; + display: flex; + flex-direction: column; + + .internal { + width: 100%; + height: 100%; + transition: 0.5s background-color ease; + } + } + +} \ No newline at end of file diff --git a/src/client/views/collections/collectionMulticolumn/CollectionMulticolumnView.tsx b/src/client/views/collections/collectionMulticolumn/CollectionMulticolumnView.tsx new file mode 100644 index 000000000..e57e5eb26 --- /dev/null +++ b/src/client/views/collections/collectionMulticolumn/CollectionMulticolumnView.tsx @@ -0,0 +1,205 @@ +import { observer } from 'mobx-react'; +import { makeInterface } from '../../../../new_fields/Schema'; +import { documentSchema } from '../../../../new_fields/documentSchemas'; +import { CollectionSubView, SubCollectionViewProps } from '../CollectionSubView'; +import * as React from "react"; +import { Doc } from '../../../../new_fields/Doc'; +import { NumCast, StrCast, BoolCast } from '../../../../new_fields/Types'; +import { ContentFittingDocumentView } from '../../nodes/ContentFittingDocumentView'; +import { Utils } from '../../../../Utils'; +import "./collectionMulticolumnView.scss"; +import { computed, trace, observable, action } from 'mobx'; +import { Transform } from '../../../util/Transform'; +import WidthLabel from './MulticolumnWidthLabel'; +import ResizeBar from './MulticolumnResizer'; + +type MulticolumnDocument = makeInterface<[typeof documentSchema]>; +const MulticolumnDocument = makeInterface(documentSchema); + +interface Unresolved { + target: Doc; + magnitude: number; + unit: string; +} + +interface LayoutData { + unresolved: Unresolved[]; + numFixed: number; + numRatio: number; + starSum: number; +} + +const resolvedUnits = ["*", "px"]; +const resizerWidth = 4; + +@observer +export class CollectionMulticolumnView extends CollectionSubView(MulticolumnDocument) { + + @computed + private get ratioDefinedDocs() { + return this.childLayoutPairs.map(({ layout }) => layout).filter(({ widthUnit }) => StrCast(widthUnit) === "*"); + } + + @computed + private get resolvedLayoutInformation(): LayoutData { + const unresolved: Unresolved[] = []; + let starSum = 0, numFixed = 0, numRatio = 0; + + for (const { layout } of this.childLayoutPairs) { + const unit = StrCast(layout.widthUnit); + const magnitude = NumCast(layout.widthMagnitude); + if (unit && magnitude && magnitude > 0 && resolvedUnits.includes(unit)) { + if (unit === "*") { + starSum += magnitude; + numRatio++; + } else { + numFixed++; + } + unresolved.push({ target: layout, magnitude, unit }); + } + // otherwise, the particular configuration entry is ignored and the remaining + // space is allocated as if the document were absent from the configuration list + } + + + setTimeout(() => { + const { ratioDefinedDocs } = this; + if (ratioDefinedDocs.length > 1) { + const minimum = Math.min(...ratioDefinedDocs.map(({ widthMagnitude }) => NumCast(widthMagnitude))); + ratioDefinedDocs.forEach(layout => layout.widthMagnitude = NumCast(layout.widthMagnitude) / minimum); + } + }); + + return { unresolved, numRatio, numFixed, starSum }; + } + + /** + * This returns the total quantity, in pixels, that this + * view needs to reserve for child documents that have + * (with higher priority) requested a fixed pixel width. + * + * If the underlying resolvedLayoutInformation returns null + * because we're waiting on promises to resolve, this value will be undefined as well. + */ + @computed + private get totalFixedAllocation(): number | undefined { + return this.resolvedLayoutInformation?.unresolved.reduce( + (sum, { magnitude, unit }) => sum + (unit === "px" ? magnitude : 0), 0); + } + + /** + * This returns the total quantity, in pixels, that this + * view needs to reserve for child documents that have + * (with lower priority) requested a certain relative proportion of the + * remaining pixel width not allocated for fixed widths. + * + * If the underlying totalFixedAllocation returns undefined + * because we're waiting indirectly on promises to resolve, this value will be undefined as well. + */ + @computed + private get totalRatioAllocation(): number | undefined { + const layoutInfoLen = this.resolvedLayoutInformation?.unresolved.length; + if (layoutInfoLen > 0 && this.totalFixedAllocation !== undefined) { + return this.props.PanelWidth() - (this.totalFixedAllocation + resizerWidth * (layoutInfoLen - 1)); + } + } + + /** + * This returns the total quantity, in pixels, that + * 1* (relative / star unit) is worth. For example, + * if the configuration has three documents, with, respectively, + * widths of 2*, 2* and 1*, and the panel width returns 1000px, + * this accessor returns 1000 / (2 + 2 + 1), or 200px. + * Elsewhere, this is then multiplied by each relative-width + * document's (potentially decimal) * count to compute its actual width (400px, 400px and 200px). + * + * If the underlying totalRatioAllocation or this.resolveLayoutInformation return undefined + * because we're waiting indirectly on promises to resolve, this value will be undefined as well. + */ + @computed + private get columnUnitLength(): number | undefined { + if (this.resolvedLayoutInformation && this.totalRatioAllocation !== undefined) { + return this.totalRatioAllocation / this.resolvedLayoutInformation.starSum; + } + } + + private getColumnUnitLength = () => this.columnUnitLength; + + private lookupPixels = (layout: Doc): number => { + const columnUnitLength = this.columnUnitLength; + if (columnUnitLength === undefined) { + return 0; // we're still waiting on promises to resolve + } + let width = NumCast(layout.widthMagnitude); + if (StrCast(layout.widthUnit) === "*") { + width *= columnUnitLength; + } + return width; + } + + private lookupIndividualTransform = (layout: Doc) => { + const columnUnitLength = this.columnUnitLength; + if (columnUnitLength === undefined) { + return Transform.Identity(); // we're still waiting on promises to resolve + } + let offset = 0; + for (const { layout: candidate } of this.childLayoutPairs) { + if (candidate === layout) { + const shift = offset; + return this.props.ScreenToLocalTransform().translate(-shift, 0); + } + offset += this.lookupPixels(candidate) + resizerWidth; + } + return Transform.Identity(); // type coersion, this case should never be hit + } + + @computed + private get contents(): JSX.Element[] | null { + const { childLayoutPairs } = this; + const { Document, PanelHeight } = this.props; + const collector: JSX.Element[] = []; + for (let i = 0; i < childLayoutPairs.length; i++) { + const { layout } = childLayoutPairs[i]; + collector.push( +
+ this.lookupPixels(layout)} + PanelHeight={() => PanelHeight() - (BoolCast(Document.showWidthLabels) ? 20 : 0)} + getTransform={() => this.lookupIndividualTransform(layout)} + /> + +
, + + ); + } + collector.pop(); // removes the final extraneous resize bar + return collector; + } + + render(): JSX.Element { + return ( +
+ {this.contents} +
+ ); + } + +} \ No newline at end of file diff --git a/src/client/views/collections/collectionMulticolumn/MulticolumnResizer.tsx b/src/client/views/collections/collectionMulticolumn/MulticolumnResizer.tsx new file mode 100644 index 000000000..aab98ecfd --- /dev/null +++ b/src/client/views/collections/collectionMulticolumn/MulticolumnResizer.tsx @@ -0,0 +1,115 @@ +import * as React from "react"; +import { observer } from "mobx-react"; +import { observable, action } from "mobx"; +import { Doc } from "../../../../new_fields/Doc"; +import { NumCast, StrCast } from "../../../../new_fields/Types"; + +interface ResizerProps { + width: number; + columnUnitLength(): number | undefined; + toLeft?: Doc; + toRight?: Doc; +} + +enum ResizeMode { + Global = "blue", + Pinned = "red", + Undefined = "black" +} + +const resizerOpacity = 1; + +@observer +export default class ResizeBar extends React.Component { + @observable private isHoverActive = false; + @observable private isResizingActive = false; + @observable private resizeMode = ResizeMode.Undefined; + + @action + private registerResizing = (e: React.PointerEvent, mode: ResizeMode) => { + e.stopPropagation(); + e.preventDefault(); + this.resizeMode = mode; + window.removeEventListener("pointermove", this.onPointerMove); + window.removeEventListener("pointerup", this.onPointerUp); + window.addEventListener("pointermove", this.onPointerMove); + window.addEventListener("pointerup", this.onPointerUp); + this.isResizingActive = true; + } + + private onPointerMove = ({ movementX }: PointerEvent) => { + const { toLeft, toRight, columnUnitLength } = this.props; + const movingRight = movementX > 0; + const toNarrow = movingRight ? toRight : toLeft; + const toWiden = movingRight ? toLeft : toRight; + const unitLength = columnUnitLength(); + if (unitLength) { + if (toNarrow) { + const { widthUnit, widthMagnitude } = toNarrow; + const scale = widthUnit === "*" ? unitLength : 1; + toNarrow.widthMagnitude = NumCast(widthMagnitude) - Math.abs(movementX) / scale; + } + if (this.resizeMode === ResizeMode.Pinned && toWiden) { + const { widthUnit, widthMagnitude } = toWiden; + const scale = widthUnit === "*" ? unitLength : 1; + toWiden.widthMagnitude = NumCast(widthMagnitude) + Math.abs(movementX) / scale; + } + } + } + + private get isActivated() { + const { toLeft, toRight } = this.props; + if (toLeft && toRight) { + if (StrCast(toLeft.widthUnit) === "px" && StrCast(toRight.widthUnit) === "px") { + return false; + } + return true; + } else if (toLeft) { + if (StrCast(toLeft.widthUnit) === "px") { + return false; + } + return true; + } else if (toRight) { + if (StrCast(toRight.widthUnit) === "px") { + return false; + } + return true; + } + return false; + } + + @action + private onPointerUp = () => { + this.resizeMode = ResizeMode.Undefined; + this.isResizingActive = false; + this.isHoverActive = false; + window.removeEventListener("pointermove", this.onPointerMove); + window.removeEventListener("pointerup", this.onPointerUp); + } + + render() { + return ( +
this.isHoverActive = true)} + onPointerLeave={action(() => !this.isResizingActive && (this.isHoverActive = false))} + > +
this.registerResizing(e, ResizeMode.Pinned)} + style={{ backgroundColor: this.resizeMode }} + /> +
this.registerResizing(e, ResizeMode.Global)} + style={{ backgroundColor: this.resizeMode }} + /> +
+ ); + } + +} \ No newline at end of file diff --git a/src/client/views/collections/collectionMulticolumn/MulticolumnWidthLabel.tsx b/src/client/views/collections/collectionMulticolumn/MulticolumnWidthLabel.tsx new file mode 100644 index 000000000..e33d4c169 --- /dev/null +++ b/src/client/views/collections/collectionMulticolumn/MulticolumnWidthLabel.tsx @@ -0,0 +1,28 @@ +import * as React from "react"; +import { observer } from "mobx-react"; +import { computed } from "mobx"; +import { Doc } from "../../../../new_fields/Doc"; +import { NumCast, StrCast, BoolCast } from "../../../../new_fields/Types"; + +interface WidthLabelProps { + layout: Doc; + collectionDoc: Doc; + decimals?: number; +} + +@observer +export default class WidthLabel extends React.Component { + + @computed + private get contents() { + const { layout, decimals } = this.props; + const magnitude = +NumCast(layout.widthMagnitude).toFixed(decimals ?? 3); + const unit = StrCast(layout.widthUnit); + return {magnitude} {unit}; + } + + render() { + return BoolCast(this.props.collectionDoc.showWidthLabels) ? this.contents : (null); + } + +} \ No newline at end of file -- cgit v1.2.3-70-g09d2