@doku-dev/doku-fragment
Version:
A new Angular UI library that moving away from Bootstrap and built from scratch.
189 lines • 26 kB
JavaScript
import { Directive, HostBinding, Inject, Input, Optional, } from '@angular/core';
import { ReplaySubject, filter, fromEvent, startWith, takeUntil } from 'rxjs';
import { DokuTable } from './table.directive';
import * as i0 from "@angular/core";
import * as i1 from "./table.directive";
export var DokuStickyColumnPosition;
(function (DokuStickyColumnPosition) {
DokuStickyColumnPosition["Left"] = "left";
DokuStickyColumnPosition["Right"] = "right";
})(DokuStickyColumnPosition || (DokuStickyColumnPosition = {}));
export class DokuTableStickyColumn {
constructor(elementRef, renderer, ngZone, dokuTable) {
this.elementRef = elementRef;
this.renderer = renderer;
this.ngZone = ngZone;
this.dokuTable = dokuTable;
this.destroy$ = new ReplaySubject();
}
get element() {
return this.elementRef.nativeElement;
}
get isStickyLeft() {
return this.position === DokuStickyColumnPosition.Left;
}
get isStickyRight() {
return this.position === DokuStickyColumnPosition.Right;
}
ngOnChanges(changes) {
if (changes['position']?.previousValue !== changes['position']?.currentValue) {
this.ngZone.runOutsideAngular(() => {
this.observer?.disconnect();
setTimeout(() => {
if (this.isStickyRight)
this.handleDynamicStyleRight();
if (this.isStickyLeft)
this.handleDynamicStyleLeft();
}, 0);
});
}
}
ngAfterViewInit() {
// Giving delay to detect table container being initialized.
setTimeout(() => {
this.watchTableContainerScrollEvent();
}, 0);
}
ngOnDestroy() {
this.observer?.disconnect();
this.destroy$.next(true);
this.destroy$.complete();
}
handleDynamicStyleRight() {
// Get next sticky column
const nextStickyColumn = this.element.nextElementSibling;
if (!nextStickyColumn)
return;
if (!nextStickyColumn.classList.contains('d-table-sticky-column-right'))
return;
this.observer = new ResizeObserver(() => {
// If has next sticky column, get the width of the column.
const nextStickyColumnWidth = this.getSiblingElementClientWidth(nextStickyColumn, 'next');
// Set the start `right` point of the current sticky column
// from the next sticky column width.
const rightValue = nextStickyColumnWidth + 'px';
this.renderer.setStyle(this.element, 'right', rightValue);
});
if (this.element.parentElement) {
this.observer.observe(this.element.parentElement);
}
}
handleDynamicStyleLeft() {
// Get previous sticky column
const prevStickyColumn = this.element.previousElementSibling;
if (!prevStickyColumn)
return;
// if (prevStickyColumn.classList.contains('d-table-sticky-column-left')) return;
this.observer = new ResizeObserver(() => {
// If has previous sticky column, get the width of the column.
const prevStickyColumnWidth = this.getSiblingElementClientWidth(prevStickyColumn, 'previous');
// Set the start `left` point of the current sticky column
// from the prev sticky column width.
const leftValue = prevStickyColumnWidth + 'px';
this.renderer.setStyle(this.element, 'left', leftValue);
});
if (this.element.parentElement) {
this.observer.observe(this.element.parentElement);
}
}
getSiblingElementClientWidth(nextElement, siblingPosition) {
const sibling = siblingPosition === 'previous'
? nextElement.previousElementSibling
: nextElement.nextElementSibling;
if (sibling) {
const siblingClientWidth = this.getSiblingElementClientWidth(sibling, siblingPosition);
return nextElement.getBoundingClientRect().width + siblingClientWidth;
}
return nextElement.getBoundingClientRect().width;
}
watchTableContainerScrollEvent() {
this.ngZone.runOutsideAngular(() => {
const tableElement = this.dokuTable?.['elementRef'].nativeElement;
const tableContainerElement = this.dokuTable?.['containerElement'];
if (!tableContainerElement || !tableElement)
return;
fromEvent(tableContainerElement, 'scroll')
.pipe(startWith(new Event('scroll')), filter(() => !!this.position), takeUntil(this.destroy$))
.subscribe(() => {
this.handleStickyLeftShadow(tableElement, tableContainerElement);
this.handleStickyRightShadow(tableElement, tableContainerElement);
});
});
}
handleStickyLeftShadow(_, tableContainerElement) {
if (!this.isLastStickyColumn())
return;
if (this.position !== DokuStickyColumnPosition.Left)
return;
tableContainerElement.scrollLeft > 0
? this.toggleShadowClass('add')
: this.toggleShadowClass('remove');
}
handleStickyRightShadow(tableElement, tableContainerElement) {
if (!this.isLastStickyColumn())
return;
if (this.position !== DokuStickyColumnPosition.Right)
return;
// Don't need to provide the shadow because the table element has no more columns to scroll.
if (tableElement.clientWidth < tableContainerElement.clientWidth)
return;
const offsetWidth = tableElement.clientWidth - tableContainerElement.clientWidth;
const offsetScroll = offsetWidth - tableContainerElement.scrollLeft;
// Giving check offset to 0.5 because the client width value is rounded to nearest integer.
offsetScroll > 0.5 ? this.toggleShadowClass('add') : this.toggleShadowClass('remove');
}
/**
* Check whether this column is the last sticky column.
*
* For the `left` position, will check if no sticky column after.
* For the `right` position, will check if no sticky column before.
*/
isLastStickyColumn() {
if (this.isStickyLeft) {
const nextElement = this.element.nextElementSibling;
if (nextElement?.classList.contains('d-table-sticky-column-left'))
return false;
return true;
}
if (this.isStickyRight) {
const prevElement = this.element.previousElementSibling;
if (prevElement?.classList.contains('d-table-sticky-column-right'))
return false;
return true;
}
return false;
}
toggleShadowClass(type) {
if (type === 'add') {
this.renderer.addClass(this.element, 'd-table-sticky-column-shadow');
}
if (type === 'remove') {
this.renderer.removeClass(this.element, 'd-table-sticky-column-shadow');
}
}
}
DokuTableStickyColumn.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "15.2.9", ngImport: i0, type: DokuTableStickyColumn, deps: [{ token: i0.ElementRef }, { token: i0.Renderer2 }, { token: i0.NgZone }, { token: DokuTable, optional: true }], target: i0.ɵɵFactoryTarget.Directive });
DokuTableStickyColumn.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "15.2.9", type: DokuTableStickyColumn, isStandalone: true, selector: "th[doku-sticky-column], td[doku-sticky-column]", inputs: { position: ["doku-sticky-column", "position"] }, host: { properties: { "class.d-table-sticky-column-left": "this.isStickyLeft", "class.d-table-sticky-column-right": "this.isStickyRight" } }, exportAs: ["dokuStickyColumn"], usesOnChanges: true, ngImport: i0 });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "15.2.9", ngImport: i0, type: DokuTableStickyColumn, decorators: [{
type: Directive,
args: [{
selector: 'th[doku-sticky-column], td[doku-sticky-column]',
exportAs: 'dokuStickyColumn',
standalone: true,
}]
}], ctorParameters: function () { return [{ type: i0.ElementRef }, { type: i0.Renderer2 }, { type: i0.NgZone }, { type: i1.DokuTable, decorators: [{
type: Optional
}, {
type: Inject,
args: [DokuTable]
}] }]; }, propDecorators: { position: [{
type: Input,
args: ['doku-sticky-column']
}], isStickyLeft: [{
type: HostBinding,
args: ['class.d-table-sticky-column-left']
}], isStickyRight: [{
type: HostBinding,
args: ['class.d-table-sticky-column-right']
}] } });
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{\n  AfterViewInit,\n  Directive,\n  ElementRef,\n  HostBinding,\n  Inject,\n  Input,\n  NgZone,\n  OnChanges,\n  OnDestroy,\n  Optional,\n  Renderer2,\n  SimpleChanges,\n} from '@angular/core';\nimport { ReplaySubject, filter, fromEvent, startWith, takeUntil } from 'rxjs';\nimport { DokuTable } from './table.directive';\n\nexport enum DokuStickyColumnPosition {\n  Left = 'left',\n  Right = 'right',\n}\n\n@Directive({\n  selector: 'th[doku-sticky-column], td[doku-sticky-column]',\n  exportAs: 'dokuStickyColumn',\n  standalone: true,\n})\nexport class DokuTableStickyColumn implements OnChanges, OnDestroy, AfterViewInit {\n  @Input('doku-sticky-column') position?: DokuStickyColumnPosition;\n\n  private observer?: ResizeObserver;\n  private destroy$ = new ReplaySubject();\n\n  constructor(\n    private elementRef: ElementRef,\n    private renderer: Renderer2,\n    private ngZone: NgZone,\n    @Optional() @Inject(DokuTable) private dokuTable?: DokuTable\n  ) {}\n\n  protected get element(): HTMLElement {\n    return this.elementRef.nativeElement;\n  }\n\n  @HostBinding('class.d-table-sticky-column-left')\n  protected get isStickyLeft(): boolean {\n    return this.position === DokuStickyColumnPosition.Left;\n  }\n\n  @HostBinding('class.d-table-sticky-column-right')\n  protected get isStickyRight(): boolean {\n    return this.position === DokuStickyColumnPosition.Right;\n  }\n\n  ngOnChanges(changes: SimpleChanges): void {\n    if (changes['position']?.previousValue !== changes['position']?.currentValue) {\n      this.ngZone.runOutsideAngular(() => {\n        this.observer?.disconnect();\n\n        setTimeout(() => {\n          if (this.isStickyRight) this.handleDynamicStyleRight();\n          if (this.isStickyLeft) this.handleDynamicStyleLeft();\n        }, 0);\n      });\n    }\n  }\n\n  ngAfterViewInit(): void {\n    // Giving delay to detect table container being initialized.\n    setTimeout(() => {\n      this.watchTableContainerScrollEvent();\n    }, 0);\n  }\n\n  ngOnDestroy(): void {\n    this.observer?.disconnect();\n    this.destroy$.next(true);\n    this.destroy$.complete();\n  }\n\n  private handleDynamicStyleRight() {\n    // Get next sticky column\n    const nextStickyColumn = this.element.nextElementSibling;\n    if (!nextStickyColumn) return;\n    if (!nextStickyColumn.classList.contains('d-table-sticky-column-right')) return;\n\n    this.observer = new ResizeObserver(() => {\n      // If has next sticky column, get the width of the column.\n      const nextStickyColumnWidth = this.getSiblingElementClientWidth(nextStickyColumn, 'next');\n\n      // Set the start `right` point of the current sticky column\n      // from the next sticky column width.\n      const rightValue = nextStickyColumnWidth + 'px';\n      this.renderer.setStyle(this.element, 'right', rightValue);\n    });\n\n    if (this.element.parentElement) {\n      this.observer.observe(this.element.parentElement);\n    }\n  }\n\n  private handleDynamicStyleLeft() {\n    // Get previous sticky column\n    const prevStickyColumn = this.element.previousElementSibling;\n    if (!prevStickyColumn) return;\n    // if (prevStickyColumn.classList.contains('d-table-sticky-column-left')) return;\n\n    this.observer = new ResizeObserver(() => {\n      // If has previous sticky column, get the width of the column.\n      const prevStickyColumnWidth = this.getSiblingElementClientWidth(prevStickyColumn, 'previous');\n\n      // Set the start `left` point of the current sticky column\n      // from the prev sticky column width.\n      const leftValue = prevStickyColumnWidth + 'px';\n      this.renderer.setStyle(this.element, 'left', leftValue);\n    });\n\n    if (this.element.parentElement) {\n      this.observer.observe(this.element.parentElement);\n    }\n  }\n\n  private getSiblingElementClientWidth(\n    nextElement: Element,\n    siblingPosition: 'previous' | 'next'\n  ): number {\n    const sibling =\n      siblingPosition === 'previous'\n        ? (nextElement.previousElementSibling as Element)\n        : (nextElement.nextElementSibling as Element);\n\n    if (sibling) {\n      const siblingClientWidth = this.getSiblingElementClientWidth(sibling, siblingPosition);\n      return nextElement.getBoundingClientRect().width + siblingClientWidth;\n    }\n\n    return nextElement.getBoundingClientRect().width;\n  }\n\n  private watchTableContainerScrollEvent() {\n    this.ngZone.runOutsideAngular(() => {\n      const tableElement: HTMLTableElement = this.dokuTable?.['elementRef'].nativeElement;\n      const tableContainerElement = this.dokuTable?.['containerElement'];\n\n      if (!tableContainerElement || !tableElement) return;\n\n      fromEvent(tableContainerElement, 'scroll')\n        .pipe(\n          startWith(new Event('scroll')),\n          filter(() => !!this.position),\n          takeUntil(this.destroy$)\n        )\n        .subscribe(() => {\n          this.handleStickyLeftShadow(tableElement, tableContainerElement);\n          this.handleStickyRightShadow(tableElement, tableContainerElement);\n        });\n    });\n  }\n\n  private handleStickyLeftShadow(_: HTMLTableElement, tableContainerElement: HTMLElement) {\n    if (!this.isLastStickyColumn()) return;\n    if (this.position !== DokuStickyColumnPosition.Left) return;\n\n    tableContainerElement.scrollLeft > 0\n      ? this.toggleShadowClass('add')\n      : this.toggleShadowClass('remove');\n  }\n\n  private handleStickyRightShadow(\n    tableElement: HTMLTableElement,\n    tableContainerElement: HTMLElement\n  ) {\n    if (!this.isLastStickyColumn()) return;\n    if (this.position !== DokuStickyColumnPosition.Right) return;\n\n    // Don't need to provide the shadow because the table element has no more columns to scroll.\n    if (tableElement.clientWidth < tableContainerElement.clientWidth) return;\n\n    const offsetWidth = tableElement.clientWidth - tableContainerElement.clientWidth;\n    const offsetScroll = offsetWidth - tableContainerElement.scrollLeft;\n\n    // Giving check offset to 0.5 because the client width value is rounded to nearest integer.\n    offsetScroll > 0.5 ? this.toggleShadowClass('add') : this.toggleShadowClass('remove');\n  }\n\n  /**\n   * Check whether this column is the last sticky column.\n   *\n   * For the `left` position, will check if no sticky column after.\n   * For the `right` position, will check if no sticky column before.\n   */\n  private isLastStickyColumn(): boolean {\n    if (this.isStickyLeft) {\n      const nextElement = this.element.nextElementSibling;\n      if (nextElement?.classList.contains('d-table-sticky-column-left')) return false;\n      return true;\n    }\n\n    if (this.isStickyRight) {\n      const prevElement = this.element.previousElementSibling;\n      if (prevElement?.classList.contains('d-table-sticky-column-right')) return false;\n      return true;\n    }\n\n    return false;\n  }\n\n  private toggleShadowClass(type: 'add' | 'remove'): void {\n    if (type === 'add') {\n      this.renderer.addClass(this.element, 'd-table-sticky-column-shadow');\n    }\n\n    if (type === 'remove') {\n      this.renderer.removeClass(this.element, 'd-table-sticky-column-shadow');\n    }\n  }\n}\n"]}