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ng-zorro-antd

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An enterprise-class UI components based on Ant Design and Angular

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/** * Use of this source code is governed by an MIT-style license that can be * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE */ import { __decorate } from "tslib"; import { Platform } from '@angular/cdk/platform'; import { Directive, ElementRef, EventEmitter, Input, NgZone, Output, Renderer2 } from '@angular/core'; import { Subject } from 'rxjs'; import { takeUntil } from 'rxjs/operators'; import { ensureInBounds, InputBoolean } from 'ng-zorro-antd/core/util'; import { getEventWithPoint } from './resizable-utils'; import { NzResizableService } from './resizable.service'; export class NzResizableDirective { constructor(elementRef, renderer, nzResizableService, platform, ngZone) { this.elementRef = elementRef; this.renderer = renderer; this.nzResizableService = nzResizableService; this.platform = platform; this.ngZone = ngZone; this.nzBounds = 'parent'; this.nzMinHeight = 40; this.nzMinWidth = 40; this.nzGridColumnCount = -1; this.nzMaxColumn = -1; this.nzMinColumn = -1; this.nzLockAspectRatio = false; this.nzPreview = false; this.nzDisabled = false; this.nzResize = new EventEmitter(); this.nzResizeEnd = new EventEmitter(); this.nzResizeStart = new EventEmitter(); this.resizing = false; this.currentHandleEvent = null; this.ghostElement = null; this.sizeCache = null; this.destroy$ = new Subject(); // TODO: move to host after View Engine deprecation this.elementRef.nativeElement.classList.add('nz-resizable'); this.nzResizableService.handleMouseDown$.pipe(takeUntil(this.destroy$)).subscribe(event => { if (this.nzDisabled) { return; } this.resizing = true; this.nzResizableService.startResizing(event.mouseEvent); this.currentHandleEvent = event; this.setCursor(); this.nzResizeStart.emit({ mouseEvent: event.mouseEvent }); this.elRect = this.el.getBoundingClientRect(); }); this.nzResizableService.documentMouseUp$.pipe(takeUntil(this.destroy$)).subscribe(event => { if (this.resizing) { this.resizing = false; this.nzResizableService.documentMouseUp$.next(); this.endResize(event); } }); this.nzResizableService.documentMouseMove$.pipe(takeUntil(this.destroy$)).subscribe(event => { if (this.resizing) { this.resize(event); } }); } onMouseenter() { this.nzResizableService.mouseEntered$.next(true); } onMouseleave() { this.nzResizableService.mouseEntered$.next(false); } setPosition() { const position = getComputedStyle(this.el).position; if (position === 'static' || !position) { this.renderer.setStyle(this.el, 'position', 'relative'); } } calcSize(width, height, ratio) { let newWidth; let newHeight; let maxWidth; let maxHeight; let col = 0; let spanWidth = 0; let minWidth = this.nzMinWidth; let boundWidth = Infinity; let boundHeight = Infinity; if (this.nzBounds === 'parent') { const parent = this.renderer.parentNode(this.el); if (parent instanceof HTMLElement) { const parentRect = parent.getBoundingClientRect(); boundWidth = parentRect.width; boundHeight = parentRect.height; } } else if (this.nzBounds === 'window') { if (typeof window !== 'undefined') { boundWidth = window.innerWidth; boundHeight = window.innerHeight; } } else if (this.nzBounds && this.nzBounds.nativeElement && this.nzBounds.nativeElement instanceof HTMLElement) { const boundsRect = this.nzBounds.nativeElement.getBoundingClientRect(); boundWidth = boundsRect.width; boundHeight = boundsRect.height; } maxWidth = ensureInBounds(this.nzMaxWidth, boundWidth); maxHeight = ensureInBounds(this.nzMaxHeight, boundHeight); if (this.nzGridColumnCount !== -1) { spanWidth = maxWidth / this.nzGridColumnCount; minWidth = this.nzMinColumn !== -1 ? spanWidth * this.nzMinColumn : minWidth; maxWidth = this.nzMaxColumn !== -1 ? spanWidth * this.nzMaxColumn : maxWidth; } if (ratio !== -1) { if (/(left|right)/i.test(this.currentHandleEvent.direction)) { newWidth = Math.min(Math.max(width, minWidth), maxWidth); newHeight = Math.min(Math.max(newWidth / ratio, this.nzMinHeight), maxHeight); if (newHeight >= maxHeight || newHeight <= this.nzMinHeight) { newWidth = Math.min(Math.max(newHeight * ratio, minWidth), maxWidth); } } else { newHeight = Math.min(Math.max(height, this.nzMinHeight), maxHeight); newWidth = Math.min(Math.max(newHeight * ratio, minWidth), maxWidth); if (newWidth >= maxWidth || newWidth <= minWidth) { newHeight = Math.min(Math.max(newWidth / ratio, this.nzMinHeight), maxHeight); } } } else { newWidth = Math.min(Math.max(width, minWidth), maxWidth); newHeight = Math.min(Math.max(height, this.nzMinHeight), maxHeight); } if (this.nzGridColumnCount !== -1) { col = Math.round(newWidth / spanWidth); newWidth = col * spanWidth; } return { col, width: newWidth, height: newHeight }; } setCursor() { switch (this.currentHandleEvent.direction) { case 'left': case 'right': this.renderer.setStyle(document.body, 'cursor', 'ew-resize'); break; case 'top': case 'bottom': this.renderer.setStyle(document.body, 'cursor', 'ns-resize'); break; case 'topLeft': case 'bottomRight': this.renderer.setStyle(document.body, 'cursor', 'nwse-resize'); break; case 'topRight': case 'bottomLeft': this.renderer.setStyle(document.body, 'cursor', 'nesw-resize'); break; } this.renderer.setStyle(document.body, 'user-select', 'none'); } resize(event) { const elRect = this.elRect; const resizeEvent = getEventWithPoint(event); const handleEvent = getEventWithPoint(this.currentHandleEvent.mouseEvent); let width = elRect.width; let height = elRect.height; const ratio = this.nzLockAspectRatio ? width / height : -1; switch (this.currentHandleEvent.direction) { case 'bottomRight': width = resizeEvent.clientX - elRect.left; height = resizeEvent.clientY - elRect.top; break; case 'bottomLeft': width = elRect.width + handleEvent.clientX - resizeEvent.clientX; height = resizeEvent.clientY - elRect.top; break; case 'topRight': width = resizeEvent.clientX - elRect.left; height = elRect.height + handleEvent.clientY - resizeEvent.clientY; break; case 'topLeft': width = elRect.width + handleEvent.clientX - resizeEvent.clientX; height = elRect.height + handleEvent.clientY - resizeEvent.clientY; break; case 'top': height = elRect.height + handleEvent.clientY - resizeEvent.clientY; break; case 'right': width = resizeEvent.clientX - elRect.left; break; case 'bottom': height = resizeEvent.clientY - elRect.top; break; case 'left': width = elRect.width + handleEvent.clientX - resizeEvent.clientX; } const size = this.calcSize(width, height, ratio); this.sizeCache = Object.assign({}, size); this.ngZone.run(() => { this.nzResize.emit(Object.assign(Object.assign({}, size), { mouseEvent: event })); }); if (this.nzPreview) { this.previewResize(size); } } endResize(event) { this.renderer.setStyle(document.body, 'cursor', ''); this.renderer.setStyle(document.body, 'user-select', ''); this.removeGhostElement(); const size = this.sizeCache ? Object.assign({}, this.sizeCache) : { width: this.elRect.width, height: this.elRect.height }; this.ngZone.run(() => { this.nzResizeEnd.emit(Object.assign(Object.assign({}, size), { mouseEvent: event })); }); this.sizeCache = null; this.currentHandleEvent = null; } previewResize({ width, height }) { this.createGhostElement(); this.renderer.setStyle(this.ghostElement, 'width', `${width}px`); this.renderer.setStyle(this.ghostElement, 'height', `${height}px`); } createGhostElement() { if (!this.ghostElement) { this.ghostElement = this.renderer.createElement('div'); this.renderer.setAttribute(this.ghostElement, 'class', 'nz-resizable-preview'); } this.renderer.appendChild(this.el, this.ghostElement); } removeGhostElement() { if (this.ghostElement) { this.renderer.removeChild(this.el, this.ghostElement); } } ngAfterViewInit() { if (this.platform.isBrowser) { this.el = this.elementRef.nativeElement; this.setPosition(); } } ngOnDestroy() { this.ghostElement = null; this.sizeCache = null; this.destroy$.next(); this.destroy$.complete(); } } NzResizableDirective.decorators = [ { type: Directive, args: [{ selector: '[nz-resizable]', exportAs: 'nzResizable', providers: [NzResizableService], host: { '[class.nz-resizable-resizing]': 'resizing', '[class.nz-resizable-disabled]': 'nzDisabled', '(mouseenter)': 'onMouseenter()', '(mouseleave)': 'onMouseleave()' } },] } ]; NzResizableDirective.ctorParameters = () => [ { type: ElementRef }, { type: Renderer2 }, { type: NzResizableService }, { type: Platform }, { type: NgZone } ]; NzResizableDirective.propDecorators = { nzBounds: [{ type: Input }], nzMaxHeight: [{ type: Input }], nzMaxWidth: [{ type: Input }], nzMinHeight: [{ type: Input }], nzMinWidth: [{ type: Input }], nzGridColumnCount: [{ type: Input }], nzMaxColumn: [{ type: Input }], nzMinColumn: [{ type: Input }], nzLockAspectRatio: [{ type: Input }], nzPreview: [{ type: Input }], nzDisabled: [{ type: Input }], nzResize: [{ type: Output }], nzResizeEnd: [{ type: Output }], nzResizeStart: [{ type: Output }] }; __decorate([ InputBoolean() ], NzResizableDirective.prototype, "nzLockAspectRatio", void 0); __decorate([ InputBoolean() ], NzResizableDirective.prototype, "nzPreview", void 0); __decorate([ InputBoolean() ], NzResizableDirective.prototype, "nzDisabled", void 0); //# 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* Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE\n */\n\nimport { Platform } from '@angular/cdk/platform';\nimport {\n  AfterViewInit,\n  Directive,\n  ElementRef,\n  EventEmitter,\n  Input,\n  NgZone,\n  OnDestroy,\n  Output,\n  Renderer2\n} from '@angular/core';\nimport { Subject } from 'rxjs';\nimport { takeUntil } from 'rxjs/operators';\n\nimport { BooleanInput } from 'ng-zorro-antd/core/types';\nimport { ensureInBounds, InputBoolean } from 'ng-zorro-antd/core/util';\n\nimport { getEventWithPoint } from './resizable-utils';\nimport { NzResizableService } from './resizable.service';\nimport { NzResizeHandleMouseDownEvent } from './resize-handle.component';\n\nexport interface NzResizeEvent {\n  width?: number;\n  height?: number;\n  col?: number;\n  mouseEvent?: MouseEvent | TouchEvent;\n}\n\n@Directive({\n  selector: '[nz-resizable]',\n  exportAs: 'nzResizable',\n  providers: [NzResizableService],\n  host: {\n    '[class.nz-resizable-resizing]': 'resizing',\n    '[class.nz-resizable-disabled]': 'nzDisabled',\n    '(mouseenter)': 'onMouseenter()',\n    '(mouseleave)': 'onMouseleave()'\n  }\n})\nexport class NzResizableDirective implements AfterViewInit, OnDestroy {\n  static ngAcceptInputType_nzLockAspectRatio: BooleanInput;\n  static ngAcceptInputType_nzPreview: BooleanInput;\n  static ngAcceptInputType_nzDisabled: BooleanInput;\n\n  @Input() nzBounds: 'window' | 'parent' | ElementRef<HTMLElement> = 'parent';\n  @Input() nzMaxHeight?: number;\n  @Input() nzMaxWidth?: number;\n  @Input() nzMinHeight: number = 40;\n  @Input() nzMinWidth: number = 40;\n  @Input() nzGridColumnCount: number = -1;\n  @Input() nzMaxColumn: number = -1;\n  @Input() nzMinColumn: number = -1;\n  @Input() @InputBoolean() nzLockAspectRatio: boolean = false;\n  @Input() @InputBoolean() nzPreview: boolean = false;\n  @Input() @InputBoolean() nzDisabled: boolean = false;\n  @Output() readonly nzResize = new EventEmitter<NzResizeEvent>();\n  @Output() readonly nzResizeEnd = new EventEmitter<NzResizeEvent>();\n  @Output() readonly nzResizeStart = new EventEmitter<NzResizeEvent>();\n\n  resizing = false;\n  private elRect!: ClientRect | DOMRect;\n  private currentHandleEvent: NzResizeHandleMouseDownEvent | null = null;\n  private ghostElement: HTMLDivElement | null = null;\n  private el!: HTMLElement;\n  private sizeCache: NzResizeEvent | null = null;\n  private destroy$ = new Subject<void>();\n\n  constructor(\n    private elementRef: ElementRef<HTMLElement>,\n    private renderer: Renderer2,\n    private nzResizableService: NzResizableService,\n    private platform: Platform,\n    private ngZone: NgZone\n  ) {\n    // TODO: move to host after View Engine deprecation\n    this.elementRef.nativeElement.classList.add('nz-resizable');\n    this.nzResizableService.handleMouseDown$.pipe(takeUntil(this.destroy$)).subscribe(event => {\n      if (this.nzDisabled) {\n        return;\n      }\n      this.resizing = true;\n      this.nzResizableService.startResizing(event.mouseEvent);\n      this.currentHandleEvent = event;\n      this.setCursor();\n      this.nzResizeStart.emit({\n        mouseEvent: event.mouseEvent\n      });\n      this.elRect = this.el.getBoundingClientRect();\n    });\n\n    this.nzResizableService.documentMouseUp$.pipe(takeUntil(this.destroy$)).subscribe(event => {\n      if (this.resizing) {\n        this.resizing = false;\n        this.nzResizableService.documentMouseUp$.next();\n        this.endResize(event);\n      }\n    });\n\n    this.nzResizableService.documentMouseMove$.pipe(takeUntil(this.destroy$)).subscribe(event => {\n      if (this.resizing) {\n        this.resize(event);\n      }\n    });\n  }\n\n  onMouseenter(): void {\n    this.nzResizableService.mouseEntered$.next(true);\n  }\n\n  onMouseleave(): void {\n    this.nzResizableService.mouseEntered$.next(false);\n  }\n\n  setPosition(): void {\n    const position = getComputedStyle(this.el).position;\n    if (position === 'static' || !position) {\n      this.renderer.setStyle(this.el, 'position', 'relative');\n    }\n  }\n\n  calcSize(width: number, height: number, ratio: number): NzResizeEvent {\n    let newWidth: number;\n    let newHeight: number;\n    let maxWidth: number;\n    let maxHeight: number;\n    let col = 0;\n    let spanWidth = 0;\n    let minWidth = this.nzMinWidth;\n    let boundWidth = Infinity;\n    let boundHeight = Infinity;\n    if (this.nzBounds === 'parent') {\n      const parent = this.renderer.parentNode(this.el);\n      if (parent instanceof HTMLElement) {\n        const parentRect = parent.getBoundingClientRect();\n        boundWidth = parentRect.width;\n        boundHeight = parentRect.height;\n      }\n    } else if (this.nzBounds === 'window') {\n      if (typeof window !== 'undefined') {\n        boundWidth = window.innerWidth;\n        boundHeight = window.innerHeight;\n      }\n    } else if (this.nzBounds && this.nzBounds.nativeElement && this.nzBounds.nativeElement instanceof HTMLElement) {\n      const boundsRect = this.nzBounds.nativeElement.getBoundingClientRect();\n      boundWidth = boundsRect.width;\n      boundHeight = boundsRect.height;\n    }\n\n    maxWidth = ensureInBounds(this.nzMaxWidth!, boundWidth);\n    maxHeight = ensureInBounds(this.nzMaxHeight!, boundHeight);\n\n    if (this.nzGridColumnCount !== -1) {\n      spanWidth = maxWidth / this.nzGridColumnCount;\n      minWidth = this.nzMinColumn !== -1 ? spanWidth * this.nzMinColumn : minWidth;\n      maxWidth = this.nzMaxColumn !== -1 ? spanWidth * this.nzMaxColumn : maxWidth;\n    }\n\n    if (ratio !== -1) {\n      if (/(left|right)/i.test(this.currentHandleEvent!.direction)) {\n        newWidth = Math.min(Math.max(width, minWidth), maxWidth);\n        newHeight = Math.min(Math.max(newWidth / ratio, this.nzMinHeight), maxHeight);\n        if (newHeight >= maxHeight || newHeight <= this.nzMinHeight) {\n          newWidth = Math.min(Math.max(newHeight * ratio, minWidth), maxWidth);\n        }\n      } else {\n        newHeight = Math.min(Math.max(height, this.nzMinHeight), maxHeight);\n        newWidth = Math.min(Math.max(newHeight * ratio, minWidth), maxWidth);\n        if (newWidth >= maxWidth || newWidth <= minWidth) {\n          newHeight = Math.min(Math.max(newWidth / ratio, this.nzMinHeight), maxHeight);\n        }\n      }\n    } else {\n      newWidth = Math.min(Math.max(width, minWidth), maxWidth);\n      newHeight = Math.min(Math.max(height, this.nzMinHeight), maxHeight);\n    }\n\n    if (this.nzGridColumnCount !== -1) {\n      col = Math.round(newWidth / spanWidth);\n      newWidth = col * spanWidth;\n    }\n\n    return {\n      col,\n      width: newWidth,\n      height: newHeight\n    };\n  }\n\n  setCursor(): void {\n    switch (this.currentHandleEvent!.direction) {\n      case 'left':\n      case 'right':\n        this.renderer.setStyle(document.body, 'cursor', 'ew-resize');\n        break;\n      case 'top':\n      case 'bottom':\n        this.renderer.setStyle(document.body, 'cursor', 'ns-resize');\n        break;\n      case 'topLeft':\n      case 'bottomRight':\n        this.renderer.setStyle(document.body, 'cursor', 'nwse-resize');\n        break;\n      case 'topRight':\n      case 'bottomLeft':\n        this.renderer.setStyle(document.body, 'cursor', 'nesw-resize');\n        break;\n    }\n    this.renderer.setStyle(document.body, 'user-select', 'none');\n  }\n\n  resize(event: MouseEvent | TouchEvent): void {\n    const elRect = this.elRect;\n    const resizeEvent = getEventWithPoint(event);\n    const handleEvent = getEventWithPoint(this.currentHandleEvent!.mouseEvent);\n    let width = elRect.width;\n    let height = elRect.height;\n    const ratio = this.nzLockAspectRatio ? width / height : -1;\n    switch (this.currentHandleEvent!.direction) {\n      case 'bottomRight':\n        width = resizeEvent.clientX - elRect.left;\n        height = resizeEvent.clientY - elRect.top;\n        break;\n      case 'bottomLeft':\n        width = elRect.width + handleEvent.clientX - resizeEvent.clientX;\n        height = resizeEvent.clientY - elRect.top;\n        break;\n      case 'topRight':\n        width = resizeEvent.clientX - elRect.left;\n        height = elRect.height + handleEvent.clientY - resizeEvent.clientY;\n        break;\n      case 'topLeft':\n        width = elRect.width + handleEvent.clientX - resizeEvent.clientX;\n        height = elRect.height + handleEvent.clientY - resizeEvent.clientY;\n        break;\n      case 'top':\n        height = elRect.height + handleEvent.clientY - resizeEvent.clientY;\n        break;\n      case 'right':\n        width = resizeEvent.clientX - elRect.left;\n        break;\n      case 'bottom':\n        height = resizeEvent.clientY - elRect.top;\n        break;\n      case 'left':\n        width = elRect.width + handleEvent.clientX - resizeEvent.clientX;\n    }\n    const size = this.calcSize(width, height, ratio);\n    this.sizeCache = { ...size };\n    this.ngZone.run(() => {\n      this.nzResize.emit({\n        ...size,\n        mouseEvent: event\n      });\n    });\n    if (this.nzPreview) {\n      this.previewResize(size);\n    }\n  }\n\n  endResize(event: MouseEvent | TouchEvent): void {\n    this.renderer.setStyle(document.body, 'cursor', '');\n    this.renderer.setStyle(document.body, 'user-select', '');\n    this.removeGhostElement();\n    const size = this.sizeCache\n      ? { ...this.sizeCache }\n      : {\n          width: this.elRect.width,\n          height: this.elRect.height\n        };\n    this.ngZone.run(() => {\n      this.nzResizeEnd.emit({\n        ...size,\n        mouseEvent: event\n      });\n    });\n    this.sizeCache = null;\n    this.currentHandleEvent = null;\n  }\n\n  previewResize({ width, height }: NzResizeEvent): void {\n    this.createGhostElement();\n    this.renderer.setStyle(this.ghostElement, 'width', `${width}px`);\n    this.renderer.setStyle(this.ghostElement, 'height', `${height}px`);\n  }\n\n  createGhostElement(): void {\n    if (!this.ghostElement) {\n      this.ghostElement = this.renderer.createElement('div');\n      this.renderer.setAttribute(this.ghostElement, 'class', 'nz-resizable-preview');\n    }\n    this.renderer.appendChild(this.el, this.ghostElement);\n  }\n\n  removeGhostElement(): void {\n    if (this.ghostElement) {\n      this.renderer.removeChild(this.el, this.ghostElement);\n    }\n  }\n\n  ngAfterViewInit(): void {\n    if (this.platform.isBrowser) {\n      this.el = this.elementRef.nativeElement;\n      this.setPosition();\n    }\n  }\n\n  ngOnDestroy(): void {\n    this.ghostElement = null;\n    this.sizeCache = null;\n    this.destroy$.next();\n    this.destroy$.complete();\n  }\n}\n"]}