@ux-aspects/ux-aspects
Version:
Open source user interface framework for building modern, responsive, mobile big data applications
191 lines • 34.2 kB
JavaScript
import { coerceBooleanProperty, coerceNumberProperty } from '@angular/cdk/coercion';
import { ChangeDetectionStrategy, Component, ElementRef, EventEmitter, HostBinding, inject, Input, Output, Renderer2 } from '@angular/core';
import { Subject } from 'rxjs';
import { filter, takeUntil } from 'rxjs/operators';
import { ResizableTableType } from './resizable-table-base.service';
import { RESIZABLE_TABLE_SERVICE_TOKEN } from './resizable-table-service.token';
import { ColumnUnit } from './table-column-resize-standard/resizable-table.service';
import * as i0 from "@angular/core";
import * as i1 from "../../../directives/accessibility/focus-indicator/focus-indicator.directive";
import * as i2 from "../../../directives/drag/drag.directive";
export class ResizableTableColumnComponent {
constructor() {
this._table = inject(RESIZABLE_TABLE_SERVICE_TOKEN);
this._elementRef = inject(ElementRef);
this._renderer = inject(Renderer2);
/** Show/Hide column resizable handle */
this._handleVisible = true;
/** Disabled the column resizing */
this.disabled = false;
/** Emit the current column width */
this.widthChange = new EventEmitter();
/** Determine if this column is a variable width column */
this.isFixedWidth = false;
/** Emit when all observables should be unsubscribed */
this._onDestroy = new Subject();
}
get handleVisible() {
return this._handleVisible;
}
set handleVisible(value) {
this._handleVisible = coerceBooleanProperty(value);
}
/** Define the width of a column */
set width(width) {
// there may be cases where columns are created with an `*ngFor` and a width
// may be specified on *some* columns and not others. This this setter will
// still be called whenever the value is empty and this will mark this column
// as having a fixed width, even though it doesn't. So we should only proceed
// whenever there is an actual numeric value passed in.
if (width === null || width === undefined) {
return;
}
// ensure width is a valid number
this._width = coerceNumberProperty(width);
// note that this column has a fixed width
this.isFixedWidth = true;
// if we have not initialised then set the element width
if (!this._table.isInitialised$.value) {
this._renderer.setStyle(this._elementRef.nativeElement, 'width', `${this._width}px`);
}
else {
// if it is initialised then resize the column
const currentWidth = this._table.getColumnWidth(this.getCellIndex(), ColumnUnit.Pixel);
// resize the column by the difference in size
if (isNaN(currentWidth)) {
this._table.resizeColumn(this.getCellIndex(), this._width, false);
}
else {
this._table.resizeColumn(this.getCellIndex(), this._width - currentWidth, false);
}
}
}
get width() {
return this._width;
}
/** Get the minimum width allowed by the column */
get minWidth() {
// determine the minimum width of the column based on its computed CSS value
const computed = parseFloat(getComputedStyle(this._elementRef.nativeElement).minWidth);
// if it is disabled use its current width - otherwise use its CSS min width if it is valid
return this.disabled ? this._elementRef.nativeElement.offsetWidth : isNaN(computed) ? 0 : computed;
}
ngAfterViewInit() {
// initially emit the size when we have initialised
this._table.isInitialised$.pipe(takeUntil(this._onDestroy), filter(isInitialised => isInitialised))
.subscribe(() => {
// get the current min-width
this._minWidth = parseFloat(getComputedStyle(this._elementRef.nativeElement).minWidth);
const width = this._table.getColumnWidth(this.getCellIndex(), ColumnUnit.Pixel);
if (!isNaN(width)) {
this.widthChange.emit(width);
}
});
// ensure the correct width gets emitted on column size change
this._table.onResize$.pipe(takeUntil(this._onDestroy)).subscribe(() => {
this.setColumnWidth();
this.setColumnFlex();
// get the current table width
const width = this._table.getColumnWidth(this.getCellIndex(), ColumnUnit.Pixel);
// check if the width actually changed - otherwise don't emit
if (!isNaN(width) && (this._width === undefined || Math.max(width, this._width) - Math.min(width, this._width) >= 1)) {
this.widthChange.emit(width);
}
});
}
/** Cleanup when component is destroyed */
ngOnDestroy() {
this._onDestroy.next();
this._onDestroy.complete();
}
/** Get the natural pixel width of the column */
getNaturalWidth() {
return this._width || this._elementRef.nativeElement.offsetWidth;
}
/** When the dragging starts */
onDragStart(event) {
// determine the mouse position within the handle
this._offset = event.clientX - event.target.getBoundingClientRect().left;
}
/** When the mouse is moved */
onDragMove(event, handle) {
// get the current mouse position
const mouseX = event.pageX - pageXOffset;
// position of the drag handle
const { left } = handle.getBoundingClientRect();
// determine how much the mouse has moved since the last update
const delta = mouseX - (left + this._offset);
// perform resizing
this._table.resizeColumn(this.getCellIndex(), delta);
// set the resizing state
this._table.setResizing(true);
}
/** When the dragging ends */
onDragEnd() {
this._table.setResizing(false);
}
/** Shrink the column when the left arrow key is pressed */
onMoveLeft() {
this._table.resizeColumn(this.getCellIndex(), -10);
}
/** Grow the column when the right arrow key is pressed */
onMoveRight() {
this._table.resizeColumn(this.getCellIndex(), 10);
}
/** Get the column index this cell is part of */
getCellIndex() {
return this._elementRef.nativeElement.cellIndex;
}
/** The percentage width of the column */
setColumnWidth() {
if (this.disabled && this._width !== undefined) {
this._renderer.setStyle(this._elementRef.nativeElement, 'width', `${this._width}px`);
this._renderer.setStyle(this._elementRef.nativeElement, 'max-width', `${this._width}px`);
return;
}
if (!this._table.isInitialised$.value) {
return;
}
const width = this._table.isResizing$.value ?
`${this._table.getColumnWidth(this.getCellIndex(), ColumnUnit.Pixel)}px` :
`${this._table.getColumnWidth(this.getCellIndex(), ColumnUnit.Percentage)}%`;
this._renderer.setStyle(this._elementRef.nativeElement, 'width', width);
this._renderer.setStyle(this._elementRef.nativeElement, 'max-width', null);
}
/** The flex width of the column */
setColumnFlex() {
let flex;
// if we are resizing then always return 'none' to allow free movement
if (this._table.isResizing$.value || this.disabled) {
this._renderer.setStyle(this._elementRef.nativeElement, 'flex', 'none');
}
if (this._table.type === ResizableTableType.Expand) {
flex = this._table.isInitialised$.value ? `0 0 ${this._table.getColumnWidth(this.getCellIndex(), ColumnUnit.Pixel)}px` : '';
}
else {
flex = this._table.isInitialised$.value ? `0 1 ${this._table.getColumnWidth(this.getCellIndex(), ColumnUnit.Percentage)}%` : '';
}
this._renderer.setStyle(this._elementRef.nativeElement, 'flex', flex);
}
static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "18.2.12", ngImport: i0, type: ResizableTableColumnComponent, deps: [], target: i0.ɵɵFactoryTarget.Component }); }
static { this.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "17.0.0", version: "18.2.12", type: ResizableTableColumnComponent, selector: "[uxResizableTableColumn]", inputs: { disabled: "disabled", handleVisible: "handleVisible", width: "width" }, outputs: { widthChange: "widthChange" }, host: { properties: { "class.ux-resizable-table-hide-handle": "!handleVisible", "class.ux-resizable-table-column-disabled": "this.disabled" }, classAttribute: "ux-resizable-table-column" }, ngImport: i0, template: "<div class=\"ux-resizable-table-column-content\">\n <ng-content></ng-content>\n</div>\n\n<div class=\"ux-resizable-table-column-actions\">\n <ng-content select=\"ux-column-sorting\"></ng-content>\n</div>\n\n@if (!disabled && handleVisible) {\n <div #handle\n uxDrag\n uxFocusIndicator\n tabindex=\"0\"\n role=\"separator\"\n aria-label=\"Column resize handle. Use arrow keys to change the column width.\"\n class=\"ux-resizable-table-column-handle\"\n [attr.aria-valuemin]=\"minWidth\"\n [attr.aria-valuenow]=\"width\"\n (onDragStart)=\"onDragStart($event)\"\n (onDrag)=\"onDragMove($event, handle)\"\n (onDragEnd)=\"onDragEnd()\"\n (keydown.ArrowLeft)=\"onMoveLeft()\"\n (keydown.ArrowRight)=\"onMoveRight()\"\n (click)=\"$event.stopPropagation()\">\n <div class=\"ux-resizable-table-column-handle-icon\"></div>\n </div>\n}\n\n", dependencies: [{ kind: "directive", type: i1.FocusIndicatorDirective, selector: "[uxFocusIndicator]", inputs: ["checkChildren", "mouseFocusIndicator", "touchFocusIndicator", "keyboardFocusIndicator", "programmaticFocusIndicator"], outputs: ["indicator"], exportAs: ["ux-focus-indicator"] }, { kind: "directive", type: i2.DragDirective, selector: "[uxDrag]", inputs: ["clone", "group", "model", "draggable"], outputs: ["onDragStart", "onDrag", "onDragScroll", "onDragEnd", "onDrop", "onDropEnter", "onDropLeave"] }], changeDetection: i0.ChangeDetectionStrategy.OnPush }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "18.2.12", ngImport: i0, type: ResizableTableColumnComponent, decorators: [{
type: Component,
args: [{ selector: '[uxResizableTableColumn]', changeDetection: ChangeDetectionStrategy.OnPush, host: {
class: 'ux-resizable-table-column',
'[class.ux-resizable-table-hide-handle]': '!handleVisible'
}, template: "<div class=\"ux-resizable-table-column-content\">\n <ng-content></ng-content>\n</div>\n\n<div class=\"ux-resizable-table-column-actions\">\n <ng-content select=\"ux-column-sorting\"></ng-content>\n</div>\n\n@if (!disabled && handleVisible) {\n <div #handle\n uxDrag\n uxFocusIndicator\n tabindex=\"0\"\n role=\"separator\"\n aria-label=\"Column resize handle. Use arrow keys to change the column width.\"\n class=\"ux-resizable-table-column-handle\"\n [attr.aria-valuemin]=\"minWidth\"\n [attr.aria-valuenow]=\"width\"\n (onDragStart)=\"onDragStart($event)\"\n (onDrag)=\"onDragMove($event, handle)\"\n (onDragEnd)=\"onDragEnd()\"\n (keydown.ArrowLeft)=\"onMoveLeft()\"\n (keydown.ArrowRight)=\"onMoveRight()\"\n (click)=\"$event.stopPropagation()\">\n <div class=\"ux-resizable-table-column-handle-icon\"></div>\n </div>\n}\n\n" }]
}], propDecorators: { disabled: [{
type: Input
}, {
type: HostBinding,
args: ['class.ux-resizable-table-column-disabled']
}], handleVisible: [{
type: Input
}], width: [{
type: Input
}], widthChange: [{
type: Output
}] } });
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{ coerceBooleanProperty, coerceNumberProperty } from '@angular/cdk/coercion';\nimport { AfterViewInit, ChangeDetectionStrategy, Component, ElementRef, EventEmitter, HostBinding, inject, Input, OnDestroy, Output, Renderer2 } from '@angular/core';\nimport { Subject } from 'rxjs';\nimport { filter, takeUntil } from 'rxjs/operators';\nimport { ResizableTableType } from './resizable-table-base.service';\nimport { RESIZABLE_TABLE_SERVICE_TOKEN } from './resizable-table-service.token';\nimport { ColumnUnit } from './table-column-resize-standard/resizable-table.service';\n\n@Component({\n    selector: '[uxResizableTableColumn]',\n    templateUrl: './resizable-table-column.component.html',\n    changeDetection: ChangeDetectionStrategy.OnPush,\n    host: {\n        class: 'ux-resizable-table-column',\n        '[class.ux-resizable-table-hide-handle]': '!handleVisible'\n    }\n})\nexport class ResizableTableColumnComponent implements AfterViewInit, OnDestroy {\n    private readonly _table = inject(RESIZABLE_TABLE_SERVICE_TOKEN);\n\n    private readonly _elementRef = inject(ElementRef);\n\n    private readonly _renderer = inject(Renderer2);\n\n    /** Show/Hide column resizable handle */\n    private _handleVisible: boolean = true;\n\n    /** Disabled the column resizing */\n    @Input()\n    @HostBinding('class.ux-resizable-table-column-disabled')\n    disabled: boolean = false;\n\n    @Input()\n    get handleVisible(): boolean {\n        return this._handleVisible;\n    }\n\n    set handleVisible(value: boolean) {\n        this._handleVisible = coerceBooleanProperty(value);\n    }\n\n    /** Define the width of a column */\n    @Input() set width(width: number) {\n\n        // there may be cases where columns are created with an `*ngFor` and a width\n        // may be specified on *some* columns and not others. This this setter will\n        // still be called whenever the value is empty and this will mark this column\n        // as having a fixed width, even though it doesn't. So we should only proceed\n        // whenever there is an actual numeric value passed in.\n        if (width === null || width === undefined) {\n            return;\n        }\n\n        // ensure width is a valid number\n        this._width = coerceNumberProperty(width);\n\n        // note that this column has a fixed width\n        this.isFixedWidth = true;\n\n        // if we have not initialised then set the element width\n        if (!this._table.isInitialised$.value) {\n\n            this._renderer.setStyle(this._elementRef.nativeElement, 'width', `${this._width}px`);\n\n        } else {\n\n            // if it is initialised then resize the column\n            const currentWidth = this._table.getColumnWidth(this.getCellIndex(), ColumnUnit.Pixel);\n\n            // resize the column by the difference in size\n            if (isNaN(currentWidth)) {\n                this._table.resizeColumn(this.getCellIndex(), this._width, false);\n            } else {\n                this._table.resizeColumn(this.getCellIndex(), this._width - currentWidth, false);\n            }\n        }\n    }\n\n    get width(): number {\n        return this._width;\n    }\n\n    /** Emit the current column width */\n    @Output() widthChange = new EventEmitter<number>();\n\n    /** Get the minimum width allowed by the column */\n    get minWidth(): number {\n        // determine the minimum width of the column based on its computed CSS value\n        const computed = parseFloat(getComputedStyle(this._elementRef.nativeElement).minWidth);\n\n        // if it is disabled use its current width - otherwise use its CSS min width if it is valid\n        return this.disabled ? this._elementRef.nativeElement.offsetWidth : isNaN(computed) ? 0 : computed;\n    }\n\n    /** Determine if this column is a variable width column */\n    isFixedWidth: boolean = false;\n\n    /** Store the width specifically set by the input */\n    private _width: number;\n\n    /** Store the position of the mouse within the drag handle */\n    private _offset: number;\n\n    /** Min width of the column*/\n    private _minWidth: number;\n\n    /** Emit when all observables should be unsubscribed */\n    private readonly _onDestroy = new Subject<void>();\n\n    ngAfterViewInit(): void {\n        // initially emit the size when we have initialised\n        this._table.isInitialised$.pipe(takeUntil(this._onDestroy), filter(isInitialised => isInitialised))\n            .subscribe(() => {\n                // get the current min-width\n                this._minWidth = parseFloat(getComputedStyle(this._elementRef.nativeElement).minWidth);\n\n                const width = this._table.getColumnWidth(this.getCellIndex(), ColumnUnit.Pixel);\n\n                if (!isNaN(width)) {\n                    this.widthChange.emit(width);\n                }\n            });\n\n        // ensure the correct width gets emitted on column size change\n        this._table.onResize$.pipe(takeUntil(this._onDestroy)).subscribe(() => {\n            this.setColumnWidth();\n            this.setColumnFlex();\n\n            // get the current table width\n            const width = this._table.getColumnWidth(this.getCellIndex(), ColumnUnit.Pixel);\n\n            // check if the width actually changed - otherwise don't emit\n            if (!isNaN(width) && (this._width === undefined || Math.max(width, this._width) - Math.min(width, this._width) >= 1)) {\n                this.widthChange.emit(width);\n            }\n        });\n    }\n\n    /** Cleanup when component is destroyed */\n    ngOnDestroy(): void {\n        this._onDestroy.next();\n        this._onDestroy.complete();\n    }\n\n    /** Get the natural pixel width of the column */\n    getNaturalWidth(): number {\n        return this._width || this._elementRef.nativeElement.offsetWidth;\n    }\n\n    /** When the dragging starts */\n    onDragStart(event: MouseEvent): void {\n        // determine the mouse position within the handle\n        this._offset = event.clientX - (event.target as HTMLElement).getBoundingClientRect().left;\n    }\n\n    /** When the mouse is moved */\n    onDragMove(event: MouseEvent, handle: HTMLDivElement): void {\n\n        // get the current mouse position\n        const mouseX = event.pageX - pageXOffset;\n\n        // position of the drag handle\n        const { left } = handle.getBoundingClientRect();\n\n        // determine how much the mouse has moved since the last update\n        const delta = mouseX - (left + this._offset);\n\n        // perform resizing\n        this._table.resizeColumn(this.getCellIndex(), delta);\n\n        // set the resizing state\n        this._table.setResizing(true);\n    }\n\n    /** When the dragging ends */\n    onDragEnd(): void {\n        this._table.setResizing(false);\n    }\n\n    /** Shrink the column when the left arrow key is pressed */\n    onMoveLeft(): void {\n        this._table.resizeColumn(this.getCellIndex(), -10);\n    }\n\n    /** Grow the column when the right arrow key is pressed */\n    onMoveRight(): void {\n        this._table.resizeColumn(this.getCellIndex(), 10);\n    }\n\n    /** Get the column index this cell is part of */\n    getCellIndex(): number {\n        return (this._elementRef.nativeElement as HTMLTableCellElement).cellIndex;\n    }\n\n    /** The percentage width of the column */\n    private setColumnWidth(): void {\n\n        if (this.disabled && this._width !== undefined) {\n            this._renderer.setStyle(this._elementRef.nativeElement, 'width', `${this._width}px`);\n            this._renderer.setStyle(this._elementRef.nativeElement, 'max-width', `${this._width}px`);\n            return;\n        }\n\n        if (!this._table.isInitialised$.value) {\n            return;\n        }\n\n        const width = this._table.isResizing$.value ?\n            `${this._table.getColumnWidth(this.getCellIndex(), ColumnUnit.Pixel)}px` :\n            `${this._table.getColumnWidth(this.getCellIndex(), ColumnUnit.Percentage)}%`;\n\n\n        this._renderer.setStyle(this._elementRef.nativeElement, 'width', width);\n        this._renderer.setStyle(this._elementRef.nativeElement, 'max-width', null);\n    }\n\n    /** The flex width of the column */\n    private setColumnFlex(): void {\n\n        let flex;\n\n        // if we are resizing then always return 'none' to allow free movement\n        if (this._table.isResizing$.value || this.disabled) {\n            this._renderer.setStyle(this._elementRef.nativeElement, 'flex', 'none');\n        }\n\n        if (this._table.type === ResizableTableType.Expand) {\n            flex = this._table.isInitialised$.value ? `0 0 ${this._table.getColumnWidth(this.getCellIndex(), ColumnUnit.Pixel)}px` : '';\n        } else {\n            flex = this._table.isInitialised$.value ? `0 1 ${this._table.getColumnWidth(this.getCellIndex(), ColumnUnit.Percentage)}%` : '';\n        }\n\n        this._renderer.setStyle(this._elementRef.nativeElement, 'flex', flex);\n    }\n}","<div class=\"ux-resizable-table-column-content\">\n  <ng-content></ng-content>\n</div>\n\n<div class=\"ux-resizable-table-column-actions\">\n  <ng-content select=\"ux-column-sorting\"></ng-content>\n</div>\n\n@if (!disabled && handleVisible) {\n  <div #handle\n    uxDrag\n    uxFocusIndicator\n    tabindex=\"0\"\n    role=\"separator\"\n    aria-label=\"Column resize handle. Use arrow keys to change the column width.\"\n    class=\"ux-resizable-table-column-handle\"\n    [attr.aria-valuemin]=\"minWidth\"\n    [attr.aria-valuenow]=\"width\"\n    (onDragStart)=\"onDragStart($event)\"\n    (onDrag)=\"onDragMove($event, handle)\"\n    (onDragEnd)=\"onDragEnd()\"\n    (keydown.ArrowLeft)=\"onMoveLeft()\"\n    (keydown.ArrowRight)=\"onMoveRight()\"\n    (click)=\"$event.stopPropagation()\">\n    <div class=\"ux-resizable-table-column-handle-icon\"></div>\n  </div>\n}\n\n"]}