@codehint-ng/tree-table
Version:
A simple component to display tree-hierarchically data in table.
92 lines • 12.4 kB
JavaScript
import { Directive, Input } from '@angular/core';
import * as i0 from "@angular/core";
export class ResizableTableColumnDirective {
constructor(elementRef) {
this.elementRef = elementRef;
this.resizer = new Resizer();
}
ngOnInit() {
if (this.appResizableTableColumn || this.appResizableTableColumn === '') {
const resizeDiv = Helper.createResizeDiv(this.elementRef.nativeElement);
this.resizer.attachEvents(resizeDiv);
}
}
ngOnDestroy() {
this.resizer.detachEvents();
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.1.3", ngImport: i0, type: ResizableTableColumnDirective, deps: [{ token: i0.ElementRef }], target: i0.ɵɵFactoryTarget.Directive }); }
static { this.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "18.1.3", type: ResizableTableColumnDirective, selector: "[appResizableTableColumn]", inputs: { appResizableTableColumn: "appResizableTableColumn" }, ngImport: i0 }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.1.3", ngImport: i0, type: ResizableTableColumnDirective, decorators: [{
type: Directive,
args: [{
selector: '[appResizableTableColumn]'
}]
}], ctorParameters: () => [{ type: i0.ElementRef }], propDecorators: { appResizableTableColumn: [{
type: Input
}] } });
class Resizer {
attachEvents(resizeDiv) {
this.resizeDiv = resizeDiv;
this.resizeDiv.addEventListener('mousedown', this.resizeDivMouseDown.bind(this));
document.addEventListener('mousemove', this.documentMouseMove.bind(this));
document.addEventListener('mouseup', this.documentMouseUp.bind(this));
}
detachEvents() {
if (this.resizeDiv) {
this.resizeDiv.removeEventListener('mousedown', this.resizeDivMouseDown.bind(this));
document.removeEventListener('mousemove', this.documentMouseMove.bind(this));
document.removeEventListener('mouseup', this.documentMouseUp.bind(this));
}
}
resizeDivMouseDown(e) {
this.curCol = e.target.parentElement;
this.nxtCol = this.curCol.nextElementSibling;
this.pageX = e.pageX;
this.curColWidth = this.curCol.offsetWidth;
if (this.nxtCol) {
this.nxtColWidth = this.nxtCol.offsetWidth;
}
}
documentMouseMove(e) {
if (this.curCol) {
const diffX = e.pageX - this.pageX;
if (this.nxtCol) {
this.nxtCol.style.width = (this.nxtColWidth - (diffX)) + 'px';
}
this.curCol.style.width = (this.curColWidth + diffX) + 'px';
}
}
documentMouseUp(e) {
this.curCol = undefined;
this.nxtCol = undefined;
this.pageX = undefined;
this.nxtColWidth = undefined;
this.curColWidth = undefined;
}
}
class Helper {
static createResizeDiv(thElement) {
const div = this.createDiv(thElement.offsetHeight);
thElement.appendChild(div);
// thElement.style.position = 'relative';
return div;
}
static createDiv(height) {
const div = document.createElement('div');
div.style.top = '0';
div.style.right = '0';
div.style.width = '4px';
div.style.position = 'absolute';
div.style.cursor = 'col-resize';
/* remove backGroundColor later */
div.style.backgroundColor = '#f2f2f2';
div.style.opacity = '0.2';
div.style.userSelect = 'none';
/* table height */
div.style.height = height + 'px';
div.classList.add('col-resize');
return div;
}
}
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{Directive, ElementRef, Input, OnDestroy, OnInit} from '@angular/core';\r\n\r\n@Directive({\r\n  selector: '[appResizableTableColumn]'\r\n})\r\nexport class ResizableTableColumnDirective implements OnInit, OnDestroy {\r\n  @Input() appResizableTableColumn: boolean;\r\n  private resizer = new Resizer();\r\n\r\n  constructor(private elementRef: ElementRef) {\r\n  }\r\n\r\n  ngOnInit() {\r\n    if (this.appResizableTableColumn || this.appResizableTableColumn as any === '') {\r\n      const resizeDiv = Helper.createResizeDiv(this.elementRef.nativeElement);\r\n      this.resizer.attachEvents(resizeDiv);\r\n    }\r\n  }\r\n\r\n  ngOnDestroy() {\r\n    this.resizer.detachEvents();\r\n  }\r\n}\r\n\r\nclass Resizer {\r\n  private pageX;\r\n  private curCol;\r\n  private nxtCol;\r\n  private curColWidth;\r\n  private nxtColWidth;\r\n  private resizeDiv;\r\n\r\n  attachEvents(resizeDiv) {\r\n    this.resizeDiv = resizeDiv;\r\n    this.resizeDiv.addEventListener('mousedown', this.resizeDivMouseDown.bind(this));\r\n    document.addEventListener('mousemove', this.documentMouseMove.bind(this));\r\n    document.addEventListener('mouseup', this.documentMouseUp.bind(this));\r\n  }\r\n\r\n  detachEvents() {\r\n    if (this.resizeDiv) {\r\n      this.resizeDiv.removeEventListener('mousedown', this.resizeDivMouseDown.bind(this));\r\n      document.removeEventListener('mousemove', this.documentMouseMove.bind(this));\r\n      document.removeEventListener('mouseup', this.documentMouseUp.bind(this));\r\n    }\r\n  }\r\n\r\n  private resizeDivMouseDown(e) {\r\n    this.curCol = e.target.parentElement;\r\n    this.nxtCol = this.curCol.nextElementSibling;\r\n    this.pageX = e.pageX;\r\n    this.curColWidth = this.curCol.offsetWidth;\r\n    if (this.nxtCol) {\r\n      this.nxtColWidth = this.nxtCol.offsetWidth;\r\n    }\r\n  }\r\n\r\n  private documentMouseMove(e) {\r\n    if (this.curCol) {\r\n      const diffX = e.pageX - this.pageX;\r\n      if (this.nxtCol) {\r\n        this.nxtCol.style.width = (this.nxtColWidth - (diffX)) + 'px';\r\n      }\r\n      this.curCol.style.width = (this.curColWidth + diffX) + 'px';\r\n    }\r\n  }\r\n\r\n  private documentMouseUp(e) {\r\n    this.curCol = undefined;\r\n    this.nxtCol = undefined;\r\n    this.pageX = undefined;\r\n    this.nxtColWidth = undefined;\r\n    this.curColWidth = undefined;\r\n  }\r\n}\r\n\r\nclass Helper {\r\n  static createResizeDiv(thElement) {\r\n    const div = this.createDiv(thElement.offsetHeight);\r\n    thElement.appendChild(div);\r\n    // thElement.style.position = 'relative';\r\n    return div;\r\n  }\r\n\r\n  private static createDiv(height) {\r\n    const div = document.createElement('div');\r\n    div.style.top = '0';\r\n    div.style.right = '0';\r\n    div.style.width = '4px';\r\n    div.style.position = 'absolute';\r\n    div.style.cursor = 'col-resize';\r\n    /* remove backGroundColor later */\r\n    div.style.backgroundColor = '#f2f2f2';\r\n    div.style.opacity = '0.2';\r\n    div.style.userSelect = 'none';\r\n    /* table height */\r\n    div.style.height = height + 'px';\r\n    div.classList.add('col-resize');\r\n    return div;\r\n  }\r\n}\r\n"]}