ng-devui
Version:
DevUI components based on Angular
167 lines • 26.6 kB
JavaScript
import { DOCUMENT } from '@angular/common';
import { Directive, ElementRef, EventEmitter, HostListener, Inject, Input, NgZone, Output, Renderer2 } from '@angular/core';
import { fromEvent } from 'rxjs';
import * as i0 from "@angular/core";
export class ResizeHandleDirective {
constructor(element, renderer2, zone, doc) {
this.renderer2 = renderer2;
this.zone = zone;
this.doc = doc;
this.resizeStartEvent = new EventEmitter();
this.resizingEvent = new EventEmitter();
this.resizeEndEvent = new EventEmitter();
this.collapseEvent = new EventEmitter();
this.preventRemoveHandle = false;
this.bindMousemove = (e) => {
this.move(e);
};
this.element = element.nativeElement;
this.document = this.doc;
}
onMouseEnter(event) {
if (!this.resizeHandle) {
this.resizeHandle = this.renderer2.createElement('div');
this.renderer2.appendChild(this.containerElement, this.resizeHandle);
this.renderer2.addClass(this.resizeHandle, 'resize-handle');
const left = this.element.getBoundingClientRect().right - this.containerElement.getBoundingClientRect().left;
this.renderer2.setStyle(this.resizeHandle, 'left', left + 'px');
this.resizeHandleEnter = this.renderer2.listen(this.resizeHandle, 'mouseenter', this.onHandleMouseEnter.bind(this));
this.resizeHandleLeave = this.renderer2.listen(this.resizeHandle, 'mouseleave', this.onHandleMouseLeave.bind(this));
this.resizeHandleClick = this.renderer2.listen(this.resizeHandle, 'mousedown', this.onMousedown.bind(this));
}
}
onMouseLeave(event) {
setTimeout(() => {
if (!this.preventRemoveHandle) {
if (this.resizeHandle) {
this.renderer2.removeChild(this.containerElement, this.resizeHandle);
this.resizeHandle = null;
}
if (this.resizeHandleClick) {
this.resizeHandleClick();
}
}
}, 100);
}
onHandleMouseEnter() {
this.preventRemoveHandle = true;
}
onHandleMouseLeave() {
this.preventRemoveHandle = false;
if (this.resizeHandle) {
this.renderer2.removeChild(this.containerElement, this.resizeHandle);
this.resizeHandle = null;
}
if (this.resizeHandleClick) {
this.resizeHandleClick();
}
}
onMousedown(event) {
this.moveCount = 0;
this.resizeStartEvent.emit(event); // emit begin resize event
this.initialWidth = this.element.clientWidth;
const initialOffset = this.element.getBoundingClientRect().left - this.containerElement.getBoundingClientRect().left;
this.mouseDownScreenX = event.clientX;
event.stopPropagation();
// create resizeOverlay
this.resizeOverlay = this.renderer2.createElement('div');
this.renderer2.appendChild(this.containerElement, this.resizeOverlay);
this.renderer2.addClass(this.resizeOverlay, 'resize-overlay');
this.renderer2.listen(this.resizeOverlay, 'click', (clickEvent) => clickEvent.stopPropagation());
const resizeBar = this.renderer2.createElement('div');
this.renderer2.addClass(resizeBar, 'resize-bar');
this.resizeBarRefElement = resizeBar;
this.renderer2.appendChild(this.containerElement, resizeBar);
this.renderer2.setStyle(this.resizeBarRefElement, 'display', 'block');
this.renderer2.setStyle(this.resizeBarRefElement, 'left', initialOffset + this.initialWidth + 'px');
const mouseup = fromEvent(document, 'mouseup');
this.mouseUpSubscription = mouseup.subscribe((ev) => this.onMouseup(ev));
this.zone.runOutsideAngular(() => {
this.document.addEventListener('mousemove', this.bindMousemove);
});
}
onMouseup(event) {
const movementX = event.clientX - this.mouseDownScreenX;
const newWidth = this.initialWidth + movementX;
const finalWidth = this.getFinalWidth(newWidth);
// destroy overlay
this.renderer2.removeChild(this.element, this.resizeOverlay);
this.renderer2.removeChild(this.containerElement, this.resizeBarRefElement);
this.resizeEndEvent.emit({ width: finalWidth });
if (this.mouseUpSubscription && !this.mouseUpSubscription.closed) {
this._destroySubscription();
}
this.document.removeEventListener('mousemove', this.bindMousemove);
}
move(event) {
this.moveCount++;
if (this.moveCount % 2 === 0) {
return;
}
const movementX = event.clientX - this.mouseDownScreenX;
const newWidth = this.initialWidth + movementX;
const finalWidth = this.getFinalWidth(newWidth);
this.renderer2.setStyle(this.resizeBarRefElement, 'left', `${finalWidth + this.element.getBoundingClientRect().left - this.containerElement.getBoundingClientRect().left}px`);
this.resizingEvent.emit({ width: finalWidth });
}
getFinalWidth(newWidth) {
const minWidth = this.handleWidth(this.minWidth);
const maxWidth = this.handleWidth(this.maxWidth);
const overMinWidth = !this.minWidth || newWidth >= minWidth;
const underMaxWidth = !this.maxWidth || newWidth <= maxWidth;
const result = !underMaxWidth ? maxWidth : newWidth;
const finalWidth = !overMinWidth ? minWidth : result;
return finalWidth;
}
handleWidth(width) {
if (!width) {
return;
}
if (typeof width === 'number') {
return width;
}
if (width.includes('%')) {
const tableWidth = this.containerElement.clientWidth;
return (tableWidth * parseInt(width, 10)) / 100;
}
return parseInt(width.replace(/[^\d]+/, ''), 10);
}
_destroySubscription() {
if (this.mouseUpSubscription) {
this.mouseUpSubscription.unsubscribe();
this.mouseUpSubscription = undefined;
}
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: ResizeHandleDirective, deps: [{ token: i0.ElementRef }, { token: i0.Renderer2 }, { token: i0.NgZone }, { token: DOCUMENT }], target: i0.ɵɵFactoryTarget.Directive }); }
static { this.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "18.2.13", type: ResizeHandleDirective, selector: "[dResizeHandle]", inputs: { containerElement: "containerElement", minWidth: "minWidth", maxWidth: "maxWidth" }, outputs: { resizeStartEvent: "resizeStartEvent", resizingEvent: "resizingEvent", resizeEndEvent: "resizeEndEvent", collapseEvent: "collapseEvent" }, host: { listeners: { "mouseenter": "onMouseEnter($event)", "mouseleave": "onMouseLeave($event)" } }, ngImport: i0 }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.13", ngImport: i0, type: ResizeHandleDirective, decorators: [{
type: Directive,
args: [{
selector: '[dResizeHandle]',
}]
}], ctorParameters: () => [{ type: i0.ElementRef }, { type: i0.Renderer2 }, { type: i0.NgZone }, { type: undefined, decorators: [{
type: Inject,
args: [DOCUMENT]
}] }], propDecorators: { containerElement: [{
type: Input
}], minWidth: [{
type: Input
}], maxWidth: [{
type: Input
}], resizeStartEvent: [{
type: Output
}], resizingEvent: [{
type: Output
}], resizeEndEvent: [{
type: Output
}], collapseEvent: [{
type: Output
}], onMouseEnter: [{
type: HostListener,
args: ['mouseenter', ['$event']]
}], onMouseLeave: [{
type: HostListener,
args: ['mouseleave', ['$event']]
}] } });
//# 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{ DOCUMENT } from '@angular/common';\r\nimport { Directive, ElementRef, EventEmitter, HostListener, Inject, Input, NgZone, Output, Renderer2 } from '@angular/core';\r\nimport { Subscription, fromEvent } from 'rxjs';\r\n\r\n@Directive({\r\n  selector: '[dResizeHandle]',\r\n})\r\nexport class ResizeHandleDirective {\r\n  @Input() containerElement: Element;\r\n  @Input() minWidth: string;\r\n  @Input() maxWidth: string;\r\n  @Output() resizeStartEvent: EventEmitter<any> = new EventEmitter<any>();\r\n  @Output() resizingEvent: EventEmitter<any> = new EventEmitter<any>();\r\n  @Output() resizeEndEvent: EventEmitter<any> = new EventEmitter<any>();\r\n\r\n  @Output() collapseEvent: EventEmitter<any> = new EventEmitter<any>();\r\n\r\n  element: HTMLElement;\r\n  moveCount: number;\r\n  initialWidth: number;\r\n  totalWidth: number;\r\n  mouseDownScreenX: number;\r\n  resizeHandle: HTMLElement;\r\n  resizeOverlay: HTMLElement;\r\n  resizeBarRefElement: HTMLElement;\r\n  mouseUpSubscription: Subscription;\r\n  resizeHandleEnter: any;\r\n  resizeHandleLeave: any;\r\n  resizeHandleClick: any;\r\n  preventRemoveHandle = false;\r\n  document: Document;\r\n\r\n  constructor(element: ElementRef, private renderer2: Renderer2, private zone: NgZone, @Inject(DOCUMENT) private doc: any) {\r\n    this.element = element.nativeElement;\r\n    this.document = this.doc;\r\n  }\r\n\r\n  @HostListener('mouseenter', ['$event'])\r\n  onMouseEnter(event: MouseEvent) {\r\n    if (!this.resizeHandle) {\r\n      this.resizeHandle = this.renderer2.createElement('div');\r\n      this.renderer2.appendChild(this.containerElement, this.resizeHandle);\r\n      this.renderer2.addClass(this.resizeHandle, 'resize-handle');\r\n      const left = this.element.getBoundingClientRect().right - this.containerElement.getBoundingClientRect().left;\r\n      this.renderer2.setStyle(this.resizeHandle, 'left', left + 'px');\r\n      this.resizeHandleEnter = this.renderer2.listen(this.resizeHandle, 'mouseenter', this.onHandleMouseEnter.bind(this));\r\n      this.resizeHandleLeave = this.renderer2.listen(this.resizeHandle, 'mouseleave', this.onHandleMouseLeave.bind(this));\r\n      this.resizeHandleClick = this.renderer2.listen(this.resizeHandle, 'mousedown', this.onMousedown.bind(this));\r\n    }\r\n  }\r\n\r\n  @HostListener('mouseleave', ['$event'])\r\n  onMouseLeave(event: any) {\r\n    setTimeout(() => {\r\n      if (!this.preventRemoveHandle) {\r\n        if (this.resizeHandle) {\r\n          this.renderer2.removeChild(this.containerElement, this.resizeHandle);\r\n          this.resizeHandle = null;\r\n        }\r\n        if (this.resizeHandleClick) {\r\n          this.resizeHandleClick();\r\n        }\r\n      }\r\n    }, 100);\r\n  }\r\n\r\n  private onHandleMouseEnter() {\r\n    this.preventRemoveHandle = true;\r\n  }\r\n\r\n  private onHandleMouseLeave() {\r\n    this.preventRemoveHandle = false;\r\n    if (this.resizeHandle) {\r\n      this.renderer2.removeChild(this.containerElement, this.resizeHandle);\r\n      this.resizeHandle = null;\r\n    }\r\n    if (this.resizeHandleClick) {\r\n      this.resizeHandleClick();\r\n    }\r\n  }\r\n\r\n  onMousedown(event: MouseEvent): void {\r\n    this.moveCount = 0;\r\n\r\n    this.resizeStartEvent.emit(event); // emit begin resize event\r\n\r\n    this.initialWidth = this.element.clientWidth;\r\n    const initialOffset = this.element.getBoundingClientRect().left - this.containerElement.getBoundingClientRect().left;\r\n    this.mouseDownScreenX = event.clientX;\r\n    event.stopPropagation();\r\n\r\n    // create resizeOverlay\r\n    this.resizeOverlay = this.renderer2.createElement('div');\r\n    this.renderer2.appendChild(this.containerElement, this.resizeOverlay);\r\n    this.renderer2.addClass(this.resizeOverlay, 'resize-overlay');\r\n    this.renderer2.listen(this.resizeOverlay, 'click', (clickEvent: Event) => clickEvent.stopPropagation());\r\n\r\n    const resizeBar = this.renderer2.createElement('div');\r\n    this.renderer2.addClass(resizeBar, 'resize-bar');\r\n    this.resizeBarRefElement = resizeBar;\r\n    this.renderer2.appendChild(this.containerElement, resizeBar);\r\n    this.renderer2.setStyle(this.resizeBarRefElement, 'display', 'block');\r\n    this.renderer2.setStyle(this.resizeBarRefElement, 'left', initialOffset + this.initialWidth + 'px');\r\n\r\n    const mouseup = fromEvent(document, 'mouseup');\r\n    this.mouseUpSubscription = mouseup.subscribe((ev: MouseEvent) => this.onMouseup(ev));\r\n\r\n    this.zone.runOutsideAngular(() => {\r\n      this.document.addEventListener('mousemove', this.bindMousemove);\r\n    });\r\n  }\r\n\r\n  onMouseup(event: MouseEvent): void {\r\n    const movementX = event.clientX - this.mouseDownScreenX;\r\n    const newWidth = this.initialWidth + movementX;\r\n\r\n    const finalWidth = this.getFinalWidth(newWidth);\r\n\r\n    // destroy overlay\r\n    this.renderer2.removeChild(this.element, this.resizeOverlay);\r\n\r\n    this.renderer2.removeChild(this.containerElement, this.resizeBarRefElement);\r\n\r\n    this.resizeEndEvent.emit({ width: finalWidth });\r\n\r\n    if (this.mouseUpSubscription && !this.mouseUpSubscription.closed) {\r\n      this._destroySubscription();\r\n    }\r\n\r\n    this.document.removeEventListener('mousemove', this.bindMousemove);\r\n  }\r\n\r\n  bindMousemove = (e) => {\r\n    this.move(e);\r\n  };\r\n\r\n  move(event: MouseEvent): void {\r\n    this.moveCount++;\r\n    if (this.moveCount % 2 === 0) {\r\n      return;\r\n    }\r\n\r\n    const movementX = event.clientX - this.mouseDownScreenX;\r\n    const newWidth = this.initialWidth + movementX;\r\n\r\n    const finalWidth = this.getFinalWidth(newWidth);\r\n    this.renderer2.setStyle(\r\n      this.resizeBarRefElement,\r\n      'left',\r\n      `${finalWidth + this.element.getBoundingClientRect().left - this.containerElement.getBoundingClientRect().left}px`\r\n    );\r\n    this.resizingEvent.emit({ width: finalWidth });\r\n  }\r\n\r\n  private getFinalWidth(newWidth: number): number {\r\n    const minWidth = this.handleWidth(this.minWidth);\r\n    const maxWidth = this.handleWidth(this.maxWidth);\r\n\r\n    const overMinWidth = !this.minWidth || newWidth >= minWidth;\r\n    const underMaxWidth = !this.maxWidth || newWidth <= maxWidth;\r\n\r\n    const result = !underMaxWidth ? maxWidth : newWidth;\r\n    const finalWidth = !overMinWidth ? minWidth : result;\r\n    return finalWidth;\r\n  }\r\n\r\n  private handleWidth(width: string | number) {\r\n    if (!width) {\r\n      return;\r\n    }\r\n    if (typeof width === 'number') {\r\n      return width;\r\n    }\r\n    if (width.includes('%')) {\r\n      const tableWidth = this.containerElement.clientWidth;\r\n      return (tableWidth * parseInt(width, 10)) / 100;\r\n    }\r\n    return parseInt(width.replace(/[^\\d]+/, ''), 10);\r\n  }\r\n\r\n  private _destroySubscription() {\r\n    if (this.mouseUpSubscription) {\r\n      this.mouseUpSubscription.unsubscribe();\r\n      this.mouseUpSubscription = undefined;\r\n    }\r\n  }\r\n}\r\n"]}