@clr/angular
Version:
Angular components for Clarity
135 lines • 18 kB
JavaScript
/*
* Copyright (c) 2016-2023 VMware, Inc. All Rights Reserved.
* This software is released under MIT license.
* The full license information can be found in LICENSE in the root directory of this project.
*/
import { Directive, EventEmitter, Inject, Output } from '@angular/core';
import { DatagridColumnChanges } from '../enums/column-changes.enum';
import { DatagridRenderStep } from '../enums/render-step.enum';
import { ColumnResizerService } from '../providers/column-resizer.service';
import { COLUMN_STATE, COLUMN_STATE_PROVIDER } from '../providers/column-state.provider';
import { HIDDEN_COLUMN_CLASS, STRICT_WIDTH_CLASS } from './constants';
import * as i0 from "@angular/core";
import * as i1 from "./render-organizer";
import * as i2 from "../../../utils/dom-adapter/dom-adapter";
import * as i3 from "../providers/column-resizer.service";
import * as i4 from "../providers/columns.service";
import * as i5 from "rxjs";
export class DatagridHeaderRenderer {
constructor(el, renderer, organizer, domAdapter, columnResizerService, columnsService, columnState) {
this.el = el;
this.renderer = renderer;
this.organizer = organizer;
this.domAdapter = domAdapter;
this.columnResizerService = columnResizerService;
this.columnsService = columnsService;
this.columnState = columnState;
this.resizeEmitter = new EventEmitter();
/**
* Indicates if the column has a strict width, so it doesn't shrink or expand based on the content.
*/
this.widthSet = false;
this.autoSet = false;
this.subscriptions = [];
this.subscriptions.push(this.organizer.filterRenderSteps(DatagridRenderStep.CLEAR_WIDTHS).subscribe(() => this.clearWidth()));
this.subscriptions.push(columnState.subscribe(state => this.stateChanges(state)));
}
ngOnDestroy() {
this.subscriptions.forEach(sub => sub.unsubscribe());
}
getColumnWidthState() {
const strictWidth = this.detectStrictWidth();
return {
width: this.computeWidth(strictWidth),
strictWidth: strictWidth,
};
}
setColumnState(index) {
this.columnsService.columns[index] = this.columnState;
}
stateChanges(state) {
if (state.changes && state.changes.length) {
state.changes.forEach(change => {
switch (change) {
case DatagridColumnChanges.WIDTH:
this.setWidth(state);
break;
case DatagridColumnChanges.HIDDEN:
this.setHidden(state);
break;
default:
break;
}
});
}
}
clearWidth() {
// remove the width only if we set it, and it is not changed by dragging.
if (this.widthSet && !this.columnResizerService.resizedBy) {
this.renderer.setStyle(this.el.nativeElement, 'width', null);
}
if (this.autoSet) {
this.renderer.removeClass(this.el.nativeElement, STRICT_WIDTH_CLASS);
}
}
detectStrictWidth() {
if (this.columnResizerService.resizedBy) {
return this.columnResizerService.widthAfterResize;
}
else if (this.autoSet) {
return 0;
}
else {
return this.domAdapter.userDefinedWidth(this.el.nativeElement);
}
}
computeWidth(strictWidth) {
let width = strictWidth;
if (!width) {
width = this.domAdapter.scrollWidth(this.el.nativeElement);
}
return width;
}
setWidth(state) {
if (state.strictWidth) {
if (this.columnResizerService.resizedBy) {
this.resizeEmitter.emit(state.width);
this.renderer.setStyle(this.el.nativeElement, 'width', state.width + 'px');
this.widthSet = false;
}
// Don't set width if there is a user-defined one. Just add the strict width class.
this.renderer.addClass(this.el.nativeElement, STRICT_WIDTH_CLASS);
this.autoSet = false;
}
else {
this.renderer.removeClass(this.el.nativeElement, STRICT_WIDTH_CLASS);
this.renderer.setStyle(this.el.nativeElement, 'width', state.width + 'px');
this.widthSet = true;
this.autoSet = true;
}
}
setHidden(state) {
if (state.hidden) {
this.renderer.addClass(this.el.nativeElement, HIDDEN_COLUMN_CLASS);
}
else {
this.renderer.removeClass(this.el.nativeElement, HIDDEN_COLUMN_CLASS);
}
}
}
DatagridHeaderRenderer.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "15.2.2", ngImport: i0, type: DatagridHeaderRenderer, deps: [{ token: i0.ElementRef }, { token: i0.Renderer2 }, { token: i1.DatagridRenderOrganizer }, { token: i2.DomAdapter }, { token: i3.ColumnResizerService }, { token: i4.ColumnsService }, { token: COLUMN_STATE }], target: i0.ɵɵFactoryTarget.Directive });
DatagridHeaderRenderer.ɵdir = i0.ɵɵngDeclareDirective({ minVersion: "14.0.0", version: "15.2.2", type: DatagridHeaderRenderer, selector: "clr-dg-column", outputs: { resizeEmitter: "clrDgColumnResize" }, providers: [ColumnResizerService, COLUMN_STATE_PROVIDER], ngImport: i0 });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "15.2.2", ngImport: i0, type: DatagridHeaderRenderer, decorators: [{
type: Directive,
args: [{
selector: 'clr-dg-column',
providers: [ColumnResizerService, COLUMN_STATE_PROVIDER],
}]
}], ctorParameters: function () { return [{ type: i0.ElementRef }, { type: i0.Renderer2 }, { type: i1.DatagridRenderOrganizer }, { type: i2.DomAdapter }, { type: i3.ColumnResizerService }, { type: i4.ColumnsService }, { type: i5.BehaviorSubject, decorators: [{
type: Inject,
args: [COLUMN_STATE]
}] }]; }, propDecorators: { resizeEmitter: [{
type: Output,
args: ['clrDgColumnResize']
}] } });
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All Rights Reserved.\n * This software is released under MIT license.\n * The full license information can be found in LICENSE in the root directory of this project.\n */\n\nimport { Directive, ElementRef, EventEmitter, Inject, OnDestroy, Output, Renderer2 } from '@angular/core';\nimport { BehaviorSubject, Subscription } from 'rxjs';\n\nimport { DomAdapter } from '../../../utils/dom-adapter/dom-adapter';\nimport { DatagridColumnChanges } from '../enums/column-changes.enum';\nimport { DatagridRenderStep } from '../enums/render-step.enum';\nimport { ColumnState } from '../interfaces/column-state.interface';\nimport { ColumnResizerService } from '../providers/column-resizer.service';\nimport { COLUMN_STATE, COLUMN_STATE_PROVIDER } from '../providers/column-state.provider';\nimport { ColumnsService } from '../providers/columns.service';\nimport { HIDDEN_COLUMN_CLASS, STRICT_WIDTH_CLASS } from './constants';\nimport { DatagridRenderOrganizer } from './render-organizer';\n\n@Directive({\n  selector: 'clr-dg-column',\n  providers: [ColumnResizerService, COLUMN_STATE_PROVIDER],\n})\nexport class DatagridHeaderRenderer implements OnDestroy {\n  @Output('clrDgColumnResize') resizeEmitter = new EventEmitter<number>();\n\n  /**\n   * Indicates if the column has a strict width, so it doesn't shrink or expand based on the content.\n   */\n  private widthSet = false;\n  private autoSet = false;\n  private subscriptions: Subscription[] = [];\n\n  constructor(\n    private el: ElementRef,\n    private renderer: Renderer2,\n    private organizer: DatagridRenderOrganizer,\n    private domAdapter: DomAdapter,\n    private columnResizerService: ColumnResizerService,\n    private columnsService: ColumnsService,\n    @Inject(COLUMN_STATE) private columnState: BehaviorSubject<ColumnState>\n  ) {\n    this.subscriptions.push(\n      this.organizer.filterRenderSteps(DatagridRenderStep.CLEAR_WIDTHS).subscribe(() => this.clearWidth())\n    );\n\n    this.subscriptions.push(columnState.subscribe(state => this.stateChanges(state)));\n  }\n\n  ngOnDestroy() {\n    this.subscriptions.forEach(sub => sub.unsubscribe());\n  }\n\n  getColumnWidthState(): Partial<ColumnState> {\n    const strictWidth = this.detectStrictWidth();\n    return {\n      width: this.computeWidth(strictWidth),\n      strictWidth: strictWidth,\n    };\n  }\n\n  setColumnState(index: number) {\n    this.columnsService.columns[index] = this.columnState;\n  }\n\n  private stateChanges(state: ColumnState) {\n    if (state.changes && state.changes.length) {\n      state.changes.forEach(change => {\n        switch (change) {\n          case DatagridColumnChanges.WIDTH:\n            this.setWidth(state);\n            break;\n          case DatagridColumnChanges.HIDDEN:\n            this.setHidden(state);\n            break;\n          default:\n            break;\n        }\n      });\n    }\n  }\n\n  private clearWidth() {\n    // remove the width only if we set it, and it is not changed by dragging.\n    if (this.widthSet && !this.columnResizerService.resizedBy) {\n      this.renderer.setStyle(this.el.nativeElement, 'width', null);\n    }\n    if (this.autoSet) {\n      this.renderer.removeClass(this.el.nativeElement, STRICT_WIDTH_CLASS);\n    }\n  }\n\n  private detectStrictWidth(): number {\n    if (this.columnResizerService.resizedBy) {\n      return this.columnResizerService.widthAfterResize;\n    } else if (this.autoSet) {\n      return 0;\n    } else {\n      return this.domAdapter.userDefinedWidth(this.el.nativeElement);\n    }\n  }\n\n  private computeWidth(strictWidth: number): number {\n    let width: number = strictWidth;\n    if (!width) {\n      width = this.domAdapter.scrollWidth(this.el.nativeElement);\n    }\n    return width;\n  }\n\n  private setWidth(state: ColumnState) {\n    if (state.strictWidth) {\n      if (this.columnResizerService.resizedBy) {\n        this.resizeEmitter.emit(state.width);\n        this.renderer.setStyle(this.el.nativeElement, 'width', state.width + 'px');\n        this.widthSet = false;\n      }\n      // Don't set width if there is a user-defined one. Just add the strict width class.\n      this.renderer.addClass(this.el.nativeElement, STRICT_WIDTH_CLASS);\n      this.autoSet = false;\n    } else {\n      this.renderer.removeClass(this.el.nativeElement, STRICT_WIDTH_CLASS);\n      this.renderer.setStyle(this.el.nativeElement, 'width', state.width + 'px');\n      this.widthSet = true;\n      this.autoSet = true;\n    }\n  }\n\n  private setHidden(state: ColumnState) {\n    if (state.hidden) {\n      this.renderer.addClass(this.el.nativeElement, HIDDEN_COLUMN_CLASS);\n    } else {\n      this.renderer.removeClass(this.el.nativeElement, HIDDEN_COLUMN_CLASS);\n    }\n  }\n}\n"]}