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feat: resize multiple & keep aspect ratio
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apps/web/src/app/modules/board/board/directives/board-resize.directive.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,188 @@ | ||
| import { Directive, inject } from '@angular/core'; | ||
| import { BoardFacade } from '../../../../services/board-facade.service'; | ||
| import { Store } from '@ngrx/store'; | ||
| import { isResizable, StateActions } from '@tapiz/board-commons'; | ||
| import { NodesActions } from '../../services/nodes-actions'; | ||
| import { BoardActions } from '@tapiz/board-commons/actions/board.actions'; | ||
| import { ResizeService } from '@tapiz/ui/resize'; | ||
| import { takeUntilDestroyed, toSignal } from '@angular/core/rxjs-interop'; | ||
|
|
||
| import { Resizable, TuNode } from '@tapiz/board-commons'; | ||
| import { filter, map, share } from 'rxjs'; | ||
| import { | ||
| translate, | ||
| rotate, | ||
| compose, | ||
| decomposeTSR, | ||
| } from 'transformation-matrix'; | ||
| @Directive({ | ||
| selector: '[tapizBoarResizeDirective]', | ||
| }) | ||
| export class BoardResizeDirective { | ||
| #resizeService = inject(ResizeService); | ||
| #boardFacade = inject(BoardFacade); | ||
| #store = inject(Store); | ||
| #nodesActions = inject(NodesActions); | ||
| #selectFocusNodes = toSignal(this.#boardFacade.selectFocusNodes$); | ||
| #initialNodes: TuNode<Resizable>[] = []; | ||
|
|
||
| constructor() { | ||
| const onResize$ = this.#resizeService.onResize$.pipe( | ||
| takeUntilDestroyed(), | ||
| share(), | ||
| ); | ||
|
|
||
| onResize$.pipe(filter((event) => event.type === 'start')).subscribe(() => { | ||
| this.#boardFacade.patchHistory((history) => { | ||
| const focusedNodes = this.#selectFocusNodes(); | ||
|
|
||
| if (!focusedNodes) { | ||
| return history; | ||
| } | ||
|
|
||
| this.#initialNodes = focusedNodes.filter(isResizable); | ||
|
|
||
| const actions: StateActions[] = this.#initialNodes.map((node) => { | ||
| return { | ||
| data: { | ||
| id: node.id, | ||
| type: node.type, | ||
| content: { | ||
| position: { ...node.content.position }, | ||
| width: node.content.width, | ||
| height: node.content.height, | ||
| }, | ||
| } as TuNode<Resizable>, | ||
| op: 'patch', | ||
| }; | ||
| }); | ||
|
|
||
| history.past.unshift(actions); | ||
| history.future = []; | ||
|
|
||
| return history; | ||
| }); | ||
| }); | ||
|
|
||
| onResize$ | ||
| .pipe( | ||
| filter((event) => event.type === 'move'), | ||
| map((mouseMove) => { | ||
| const shiftKey = mouseMove.event.shiftKey; | ||
|
|
||
| return this.#initialNodes.map((node) => { | ||
| const nodeInitial = this.#initialNodes.find( | ||
| (n) => n.id === node.id, | ||
| ); | ||
|
|
||
| if (!nodeInitial) { | ||
| return; | ||
| } | ||
|
|
||
| const diffX = mouseMove.event.x - mouseMove.initialPosition.x; | ||
| const diffY = mouseMove.event.y - mouseMove.initialPosition.y; | ||
|
|
||
| const rotation = mouseMove.nodeRotation ?? 0; | ||
| const angle = rotation * (Math.PI / 180); | ||
| let deltaX = Math.round( | ||
| diffX * Math.cos(angle) + diffY * Math.sin(angle), | ||
| ); | ||
| let deltaY = Math.round( | ||
| diffY * Math.cos(angle) - diffX * Math.sin(angle), | ||
| ); | ||
|
|
||
| if (shiftKey) { | ||
| const originalWidth = nodeInitial.content.width; | ||
| const originalHeight = nodeInitial.content.height; | ||
| let m; | ||
|
|
||
| switch (mouseMove.position) { | ||
| case 'top-left': | ||
| m = originalHeight / originalWidth; | ||
| break; | ||
| case 'top-right': | ||
| m = -originalHeight / originalWidth; | ||
| break; | ||
| case 'bottom-left': | ||
| m = -originalHeight / originalWidth; | ||
| break; | ||
| case 'bottom-right': | ||
| m = originalHeight / originalWidth; | ||
| break; | ||
| default: | ||
| m = 0; | ||
| } | ||
|
|
||
| const denominator = 1 + m * m; | ||
| const adjustedDeltaX = (deltaX + m * deltaY) / denominator; | ||
| const adjustedDeltaY = m * adjustedDeltaX; | ||
|
|
||
| deltaX = Math.round(adjustedDeltaX); | ||
| deltaY = Math.round(adjustedDeltaY); | ||
| } | ||
|
|
||
| let newWidth = nodeInitial.content.width; | ||
| let newHeight = nodeInitial.content.height; | ||
|
|
||
| let currentMatrix = compose( | ||
| translate( | ||
| nodeInitial.content.position.x, | ||
| nodeInitial.content.position.y, | ||
| ), | ||
| rotate(angle), | ||
| ); | ||
|
|
||
| if (mouseMove.position === 'top-left') { | ||
| newWidth -= deltaX; | ||
| newHeight -= deltaY; | ||
| currentMatrix = compose(currentMatrix, translate(deltaX, deltaY)); | ||
| } else if (mouseMove.position === 'top-right') { | ||
| newWidth += deltaX; | ||
| newHeight -= deltaY; | ||
| currentMatrix = compose(currentMatrix, translate(0, deltaY)); | ||
| } else if (mouseMove.position === 'bottom-left') { | ||
| newWidth -= deltaX; | ||
| newHeight += deltaY; | ||
| currentMatrix = compose(currentMatrix, translate(deltaX, 0)); | ||
| } else if (mouseMove.position === 'bottom-right') { | ||
| newWidth += deltaX; | ||
| newHeight += deltaY; | ||
| } | ||
|
|
||
| const decomposed = decomposeTSR(currentMatrix); | ||
|
|
||
| if (newWidth < 5 || newHeight < 5) { | ||
| return; | ||
| } | ||
|
|
||
| return { | ||
| id: node.id, | ||
| type: node.type, | ||
| content: { | ||
| position: { | ||
| x: decomposed.translate.tx, | ||
| y: decomposed.translate.ty, | ||
| }, | ||
| width: newWidth, | ||
| height: newHeight, | ||
| }, | ||
| } as TuNode<Resizable>; | ||
| }); | ||
| }), | ||
| ) | ||
| .subscribe((nodes) => { | ||
| const actions = nodes | ||
| .filter((node) => !!node) | ||
| .map((node) => { | ||
| return this.#nodesActions.patch(node); | ||
| }); | ||
|
|
||
| this.#store.dispatch( | ||
| BoardActions.batchNodeActions({ | ||
| history: false, | ||
| actions, | ||
| }), | ||
| ); | ||
| }); | ||
| } | ||
| } |
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