ng-zorro-antd
Version:
An enterprise-class UI components based on Ant Design and Angular
284 lines (282 loc) • 37.1 kB
JavaScript
import { __decorate } from "tslib";
import { ChangeDetectionStrategy, Component, EventEmitter, forwardRef, Input, Output, ViewEncapsulation } from '@angular/core';
import { NG_VALUE_ACCESSOR } from '@angular/forms';
import { BehaviorSubject, combineLatest, fromEvent, Subject } from 'rxjs';
import { debounceTime, distinctUntilChanged, filter, map, takeUntil } from 'rxjs/operators';
import { warn } from 'ng-zorro-antd/core/logger';
import { inNextTick, InputBoolean } from 'ng-zorro-antd/core/util';
import * as i0 from "@angular/core";
import * as i1 from "./code-editor.service";
import * as i2 from "@angular/cdk/platform";
import * as i3 from "@angular/common";
import * as i4 from "ng-zorro-antd/spin";
export class NzCodeEditorComponent {
constructor(nzCodeEditorService, ngZone, elementRef, platform) {
this.nzCodeEditorService = nzCodeEditorService;
this.ngZone = ngZone;
this.platform = platform;
this.nzEditorMode = 'normal';
this.nzOriginalText = '';
this.nzLoading = false;
this.nzFullControl = false;
this.nzEditorInitialized = new EventEmitter();
this.editorOptionCached = {};
this.destroy$ = new Subject();
this.resize$ = new Subject();
this.editorOption$ = new BehaviorSubject({});
this.editorInstance = null;
this.value = '';
this.modelSet = false;
this.onDidChangeContentDisposable = null;
this.onChange = (_value) => { };
this.onTouch = () => { };
this.el = elementRef.nativeElement;
this.el.classList.add('ant-code-editor');
}
set nzEditorOption(value) {
this.editorOption$.next(value);
}
/**
* Initialize a monaco editor instance.
*/
ngAfterViewInit() {
if (!this.platform.isBrowser) {
return;
}
this.nzCodeEditorService
.requestToInit()
.pipe(takeUntil(this.destroy$))
.subscribe(option => this.setup(option));
}
ngOnDestroy() {
if (this.onDidChangeContentDisposable) {
this.onDidChangeContentDisposable.dispose();
this.onDidChangeContentDisposable = null;
}
if (this.editorInstance) {
this.editorInstance.dispose();
this.editorInstance = null;
}
this.destroy$.next();
this.destroy$.complete();
}
writeValue(value) {
this.value = value;
this.setValue();
}
registerOnChange(fn) {
this.onChange = fn;
}
registerOnTouched(fn) {
this.onTouch = fn;
}
layout() {
this.resize$.next();
}
setup(option) {
// The `setup()` is invoked when the Monaco editor is loaded. This may happen asynchronously for the first
// time, and it'll always happen synchronously afterwards. The first `setup()` invokation is outside the Angular
// zone, but further invokations will happen within the Angular zone. We call the `setModel()` on the editor
// instance, which tells Monaco to add event listeners lazily internally (`mousemove`, `mouseout`, etc.).
// We should avoid adding them within the Angular zone since this will drastically affect the performance.
this.ngZone.runOutsideAngular(() => inNextTick()
.pipe(takeUntil(this.destroy$))
.subscribe(() => {
this.editorOptionCached = option;
this.registerOptionChanges();
this.initMonacoEditorInstance();
this.registerResizeChange();
this.setValue();
if (!this.nzFullControl) {
this.setValueEmitter();
}
if (this.nzEditorInitialized.observers.length) {
this.ngZone.run(() => this.nzEditorInitialized.emit(this.editorInstance));
}
}));
}
registerOptionChanges() {
combineLatest([this.editorOption$, this.nzCodeEditorService.option$])
.pipe(takeUntil(this.destroy$))
.subscribe(([selfOpt, defaultOpt]) => {
this.editorOptionCached = {
...this.editorOptionCached,
...defaultOpt,
...selfOpt
};
this.updateOptionToMonaco();
});
}
initMonacoEditorInstance() {
this.ngZone.runOutsideAngular(() => {
this.editorInstance =
this.nzEditorMode === 'normal'
? monaco.editor.create(this.el, { ...this.editorOptionCached })
: monaco.editor.createDiffEditor(this.el, {
...this.editorOptionCached
});
});
}
registerResizeChange() {
this.ngZone.runOutsideAngular(() => {
fromEvent(window, 'resize')
.pipe(debounceTime(300), takeUntil(this.destroy$))
.subscribe(() => {
this.layout();
});
this.resize$
.pipe(takeUntil(this.destroy$), filter(() => !!this.editorInstance), map(() => ({
width: this.el.clientWidth,
height: this.el.clientHeight
})), distinctUntilChanged((a, b) => a.width === b.width && a.height === b.height), debounceTime(50))
.subscribe(() => {
this.editorInstance.layout();
});
});
}
setValue() {
if (!this.editorInstance) {
return;
}
if (this.nzFullControl && this.value) {
warn(`should not set value when you are using full control mode! It would result in ambiguous data flow!`);
return;
}
if (this.nzEditorMode === 'normal') {
if (this.modelSet) {
const model = this.editorInstance.getModel();
this.preservePositionAndSelections(() => model.setValue(this.value));
}
else {
this.editorInstance.setModel(monaco.editor.createModel(this.value, this.editorOptionCached.language));
this.modelSet = true;
}
}
else {
if (this.modelSet) {
const model = this.editorInstance.getModel();
this.preservePositionAndSelections(() => {
model.modified.setValue(this.value);
model.original.setValue(this.nzOriginalText);
});
}
else {
const language = this.editorOptionCached.language;
this.editorInstance.setModel({
original: monaco.editor.createModel(this.nzOriginalText, language),
modified: monaco.editor.createModel(this.value, language)
});
this.modelSet = true;
}
}
}
/**
* {@link editor.ICodeEditor}#setValue resets the cursor position to the start of the document.
* This helper memorizes the cursor position and selections and restores them after the given
* function has been called.
*/
preservePositionAndSelections(fn) {
if (!this.editorInstance) {
fn();
return;
}
const position = this.editorInstance.getPosition();
const selections = this.editorInstance.getSelections();
fn();
if (position) {
this.editorInstance.setPosition(position);
}
if (selections) {
this.editorInstance.setSelections(selections);
}
}
setValueEmitter() {
const model = (this.nzEditorMode === 'normal'
? this.editorInstance.getModel()
: this.editorInstance.getModel().modified);
// The `onDidChangeContent` returns a disposable object (an object with `dispose()` method) which will cleanup
// the listener. The callback, that we pass to `onDidChangeContent`, captures `this`. This leads to a circular reference
// (`nz-code-editor -> monaco -> nz-code-editor`) and prevents the `nz-code-editor` from being GC'd.
this.onDidChangeContentDisposable = model.onDidChangeContent(() => {
this.emitValue(model.getValue());
});
}
emitValue(value) {
if (this.value === value) {
// If the value didn't change there's no reason to send an update.
// Specifically this may happen during an update from the model (writeValue) where sending an update to the model would actually be incorrect.
return;
}
this.value = value;
// We're re-entering the Angular zone only if the value has been changed since there's a `return` expression previously.
// This won't cause "dead" change detections (basically when the `tick()` has been run, but there's nothing to update).
this.ngZone.run(() => {
this.onChange(value);
});
}
updateOptionToMonaco() {
if (this.editorInstance) {
this.editorInstance.updateOptions({ ...this.editorOptionCached });
}
}
}
NzCodeEditorComponent.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "15.1.0", ngImport: i0, type: NzCodeEditorComponent, deps: [{ token: i1.NzCodeEditorService }, { token: i0.NgZone }, { token: i0.ElementRef }, { token: i2.Platform }], target: i0.ɵɵFactoryTarget.Component });
NzCodeEditorComponent.ɵcmp = i0.ɵɵngDeclareComponent({ minVersion: "14.0.0", version: "15.1.0", type: NzCodeEditorComponent, selector: "nz-code-editor", inputs: { nzEditorMode: "nzEditorMode", nzOriginalText: "nzOriginalText", nzLoading: "nzLoading", nzFullControl: "nzFullControl", nzToolkit: "nzToolkit", nzEditorOption: "nzEditorOption" }, outputs: { nzEditorInitialized: "nzEditorInitialized" }, providers: [
{
provide: NG_VALUE_ACCESSOR,
useExisting: forwardRef(() => NzCodeEditorComponent),
multi: true
}
], exportAs: ["nzCodeEditor"], ngImport: i0, template: `
<div class="ant-code-editor-loading" *ngIf="nzLoading">
<nz-spin></nz-spin>
</div>
<div class="ant-code-editor-toolkit" *ngIf="nzToolkit">
<ng-template [ngTemplateOutlet]="nzToolkit"></ng-template>
</div>
`, isInline: true, dependencies: [{ kind: "directive", type: i3.NgIf, selector: "[ngIf]", inputs: ["ngIf", "ngIfThen", "ngIfElse"] }, { kind: "directive", type: i3.NgTemplateOutlet, selector: "[ngTemplateOutlet]", inputs: ["ngTemplateOutletContext", "ngTemplateOutlet", "ngTemplateOutletInjector"] }, { kind: "component", type: i4.NzSpinComponent, selector: "nz-spin", inputs: ["nzIndicator", "nzSize", "nzTip", "nzDelay", "nzSimple", "nzSpinning"], exportAs: ["nzSpin"] }], changeDetection: i0.ChangeDetectionStrategy.OnPush, encapsulation: i0.ViewEncapsulation.None });
__decorate([
InputBoolean()
], NzCodeEditorComponent.prototype, "nzLoading", void 0);
__decorate([
InputBoolean()
], NzCodeEditorComponent.prototype, "nzFullControl", void 0);
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "15.1.0", ngImport: i0, type: NzCodeEditorComponent, decorators: [{
type: Component,
args: [{
changeDetection: ChangeDetectionStrategy.OnPush,
encapsulation: ViewEncapsulation.None,
selector: 'nz-code-editor',
exportAs: 'nzCodeEditor',
template: `
<div class="ant-code-editor-loading" *ngIf="nzLoading">
<nz-spin></nz-spin>
</div>
<div class="ant-code-editor-toolkit" *ngIf="nzToolkit">
<ng-template [ngTemplateOutlet]="nzToolkit"></ng-template>
</div>
`,
providers: [
{
provide: NG_VALUE_ACCESSOR,
useExisting: forwardRef(() => NzCodeEditorComponent),
multi: true
}
]
}]
}], ctorParameters: function () { return [{ type: i1.NzCodeEditorService }, { type: i0.NgZone }, { type: i0.ElementRef }, { type: i2.Platform }]; }, propDecorators: { nzEditorMode: [{
type: Input
}], nzOriginalText: [{
type: Input
}], nzLoading: [{
type: Input
}], nzFullControl: [{
type: Input
}], nzToolkit: [{
type: Input
}], nzEditorOption: [{
type: Input
}], nzEditorInitialized: [{
type: Output
}] } });
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* Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE\n */\n\nimport { Platform } from '@angular/cdk/platform';\nimport {\n  AfterViewInit,\n  ChangeDetectionStrategy,\n  Component,\n  ElementRef,\n  EventEmitter,\n  forwardRef,\n  Input,\n  NgZone,\n  OnDestroy,\n  Output,\n  TemplateRef,\n  ViewEncapsulation\n} from '@angular/core';\nimport { NG_VALUE_ACCESSOR } from '@angular/forms';\nimport { BehaviorSubject, combineLatest, fromEvent, Subject } from 'rxjs';\nimport { debounceTime, distinctUntilChanged, filter, map, takeUntil } from 'rxjs/operators';\n\nimport type { editor, IDisposable } from 'monaco-editor';\n\nimport { warn } from 'ng-zorro-antd/core/logger';\nimport { BooleanInput, NzSafeAny, OnChangeType, OnTouchedType } from 'ng-zorro-antd/core/types';\nimport { inNextTick, InputBoolean } from 'ng-zorro-antd/core/util';\n\nimport { NzCodeEditorService } from './code-editor.service';\nimport { DiffEditorOptions, EditorOptions, JoinedEditorOptions, NzEditorMode } from './typings';\n\n// Import types from monaco editor.\ntype ITextModel = editor.ITextModel;\ntype IStandaloneCodeEditor = editor.IStandaloneCodeEditor;\ntype IStandaloneDiffEditor = editor.IStandaloneDiffEditor;\n\ndeclare const monaco: NzSafeAny;\n\n@Component({\n  changeDetection: ChangeDetectionStrategy.OnPush,\n  encapsulation: ViewEncapsulation.None,\n  selector: 'nz-code-editor',\n  exportAs: 'nzCodeEditor',\n  template: `\n    <div class=\"ant-code-editor-loading\" *ngIf=\"nzLoading\">\n      <nz-spin></nz-spin>\n    </div>\n\n    <div class=\"ant-code-editor-toolkit\" *ngIf=\"nzToolkit\">\n      <ng-template [ngTemplateOutlet]=\"nzToolkit\"></ng-template>\n    </div>\n  `,\n  providers: [\n    {\n      provide: NG_VALUE_ACCESSOR,\n      useExisting: forwardRef(() => NzCodeEditorComponent),\n      multi: true\n    }\n  ]\n})\nexport class NzCodeEditorComponent implements OnDestroy, AfterViewInit {\n  static ngAcceptInputType_nzLoading: BooleanInput;\n  static ngAcceptInputType_nzFullControl: BooleanInput;\n\n  @Input() nzEditorMode: NzEditorMode = 'normal';\n  @Input() nzOriginalText = '';\n  @Input() @InputBoolean() nzLoading = false;\n  @Input() @InputBoolean() nzFullControl = false;\n  @Input() nzToolkit?: TemplateRef<void>;\n\n  @Input() set nzEditorOption(value: JoinedEditorOptions) {\n    this.editorOption$.next(value);\n  }\n\n  @Output() readonly nzEditorInitialized = new EventEmitter<IStandaloneCodeEditor | IStandaloneDiffEditor>();\n\n  editorOptionCached: JoinedEditorOptions = {};\n\n  private readonly el: HTMLElement;\n  private destroy$ = new Subject<void>();\n  private resize$ = new Subject<void>();\n  private editorOption$ = new BehaviorSubject<JoinedEditorOptions>({});\n  private editorInstance: IStandaloneCodeEditor | IStandaloneDiffEditor | null = null;\n  private value = '';\n  private modelSet = false;\n  private onDidChangeContentDisposable: IDisposable | null = null;\n\n  constructor(\n    private nzCodeEditorService: NzCodeEditorService,\n    private ngZone: NgZone,\n    elementRef: ElementRef,\n    private platform: Platform\n  ) {\n    this.el = elementRef.nativeElement;\n    this.el.classList.add('ant-code-editor');\n  }\n\n  /**\n   * Initialize a monaco editor instance.\n   */\n  ngAfterViewInit(): void {\n    if (!this.platform.isBrowser) {\n      return;\n    }\n\n    this.nzCodeEditorService\n      .requestToInit()\n      .pipe(takeUntil(this.destroy$))\n      .subscribe(option => this.setup(option));\n  }\n\n  ngOnDestroy(): void {\n    if (this.onDidChangeContentDisposable) {\n      this.onDidChangeContentDisposable.dispose();\n      this.onDidChangeContentDisposable = null;\n    }\n\n    if (this.editorInstance) {\n      this.editorInstance.dispose();\n      this.editorInstance = null;\n    }\n\n    this.destroy$.next();\n    this.destroy$.complete();\n  }\n\n  writeValue(value: string): void {\n    this.value = value;\n    this.setValue();\n  }\n\n  registerOnChange(fn: OnChangeType): NzSafeAny {\n    this.onChange = fn;\n  }\n\n  registerOnTouched(fn: OnTouchedType): void {\n    this.onTouch = fn;\n  }\n\n  onChange: OnChangeType = (_value: string) => {};\n\n  onTouch: OnTouchedType = () => {};\n\n  layout(): void {\n    this.resize$.next();\n  }\n\n  private setup(option: JoinedEditorOptions): void {\n    // The `setup()` is invoked when the Monaco editor is loaded. This may happen asynchronously for the first\n    // time, and it'll always happen synchronously afterwards. The first `setup()` invokation is outside the Angular\n    // zone, but further invokations will happen within the Angular zone. We call the `setModel()` on the editor\n    // instance, which tells Monaco to add event listeners lazily internally (`mousemove`, `mouseout`, etc.).\n    // We should avoid adding them within the Angular zone since this will drastically affect the performance.\n    this.ngZone.runOutsideAngular(() =>\n      inNextTick()\n        .pipe(takeUntil(this.destroy$))\n        .subscribe(() => {\n          this.editorOptionCached = option;\n          this.registerOptionChanges();\n          this.initMonacoEditorInstance();\n          this.registerResizeChange();\n          this.setValue();\n\n          if (!this.nzFullControl) {\n            this.setValueEmitter();\n          }\n\n          if (this.nzEditorInitialized.observers.length) {\n            this.ngZone.run(() => this.nzEditorInitialized.emit(this.editorInstance!));\n          }\n        })\n    );\n  }\n\n  private registerOptionChanges(): void {\n    combineLatest([this.editorOption$, this.nzCodeEditorService.option$])\n      .pipe(takeUntil(this.destroy$))\n      .subscribe(([selfOpt, defaultOpt]) => {\n        this.editorOptionCached = {\n          ...this.editorOptionCached,\n          ...defaultOpt,\n          ...selfOpt\n        };\n        this.updateOptionToMonaco();\n      });\n  }\n\n  private initMonacoEditorInstance(): void {\n    this.ngZone.runOutsideAngular(() => {\n      this.editorInstance =\n        this.nzEditorMode === 'normal'\n          ? monaco.editor.create(this.el, { ...this.editorOptionCached })\n          : monaco.editor.createDiffEditor(this.el, {\n              ...(this.editorOptionCached as DiffEditorOptions)\n            });\n    });\n  }\n\n  private registerResizeChange(): void {\n    this.ngZone.runOutsideAngular(() => {\n      fromEvent(window, 'resize')\n        .pipe(debounceTime(300), takeUntil(this.destroy$))\n        .subscribe(() => {\n          this.layout();\n        });\n\n      this.resize$\n        .pipe(\n          takeUntil(this.destroy$),\n          filter(() => !!this.editorInstance),\n          map(() => ({\n            width: this.el.clientWidth,\n            height: this.el.clientHeight\n          })),\n          distinctUntilChanged((a, b) => a.width === b.width && a.height === b.height),\n          debounceTime(50)\n        )\n        .subscribe(() => {\n          this.editorInstance!.layout();\n        });\n    });\n  }\n\n  private setValue(): void {\n    if (!this.editorInstance) {\n      return;\n    }\n\n    if (this.nzFullControl && this.value) {\n      warn(`should not set value when you are using full control mode! It would result in ambiguous data flow!`);\n      return;\n    }\n\n    if (this.nzEditorMode === 'normal') {\n      if (this.modelSet) {\n        const model = this.editorInstance.getModel() as ITextModel;\n        this.preservePositionAndSelections(() => model.setValue(this.value));\n      } else {\n        (this.editorInstance as IStandaloneCodeEditor).setModel(\n          monaco.editor.createModel(this.value, (this.editorOptionCached as EditorOptions).language)\n        );\n        this.modelSet = true;\n      }\n    } else {\n      if (this.modelSet) {\n        const model = (this.editorInstance as IStandaloneDiffEditor).getModel()!;\n        this.preservePositionAndSelections(() => {\n          model.modified.setValue(this.value);\n          model.original.setValue(this.nzOriginalText);\n        });\n      } else {\n        const language = (this.editorOptionCached as EditorOptions).language;\n        (this.editorInstance as IStandaloneDiffEditor).setModel({\n          original: monaco.editor.createModel(this.nzOriginalText, language),\n          modified: monaco.editor.createModel(this.value, language)\n        });\n        this.modelSet = true;\n      }\n    }\n  }\n\n  /**\n   * {@link editor.ICodeEditor}#setValue resets the cursor position to the start of the document.\n   * This helper memorizes the cursor position and selections and restores them after the given\n   * function has been called.\n   */\n  private preservePositionAndSelections(fn: () => unknown): void {\n    if (!this.editorInstance) {\n      fn();\n      return;\n    }\n\n    const position = this.editorInstance.getPosition();\n    const selections = this.editorInstance.getSelections();\n\n    fn();\n\n    if (position) {\n      this.editorInstance.setPosition(position);\n    }\n    if (selections) {\n      this.editorInstance.setSelections(selections);\n    }\n  }\n\n  private setValueEmitter(): void {\n    const model = (\n      this.nzEditorMode === 'normal'\n        ? (this.editorInstance as IStandaloneCodeEditor).getModel()\n        : (this.editorInstance as IStandaloneDiffEditor).getModel()!.modified\n    ) as ITextModel;\n\n    // The `onDidChangeContent` returns a disposable object (an object with `dispose()` method) which will cleanup\n    // the listener. The callback, that we pass to `onDidChangeContent`, captures `this`. This leads to a circular reference\n    // (`nz-code-editor -> monaco -> nz-code-editor`) and prevents the `nz-code-editor` from being GC'd.\n    this.onDidChangeContentDisposable = model.onDidChangeContent(() => {\n      this.emitValue(model.getValue());\n    });\n  }\n\n  private emitValue(value: string): void {\n    if (this.value === value) {\n      // If the value didn't change there's no reason to send an update.\n      // Specifically this may happen during an update from the model (writeValue) where sending an update to the model would actually be incorrect.\n      return;\n    }\n\n    this.value = value;\n    // We're re-entering the Angular zone only if the value has been changed since there's a `return` expression previously.\n    // This won't cause \"dead\" change detections (basically when the `tick()` has been run, but there's nothing to update).\n    this.ngZone.run(() => {\n      this.onChange(value);\n    });\n  }\n\n  private updateOptionToMonaco(): void {\n    if (this.editorInstance) {\n      this.editorInstance.updateOptions({ ...this.editorOptionCached });\n    }\n  }\n}\n"]}