@angular/material
Version:
Angular Material
174 lines • 23.4 kB
JavaScript
/**
* @license
* Copyright Google LLC All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import { ESCAPE, hasModifierKey } from '@angular/cdk/keycodes';
import { Subject } from 'rxjs';
import { filter, take } from 'rxjs/operators';
// TODO(jelbourn): resizing
// Counter for unique dialog ids.
var uniqueId = 0;
/**
* Reference to a dialog opened via the MatDialog service.
*/
var MatDialogRef = /** @class */ (function () {
function MatDialogRef(_overlayRef, _containerInstance, id) {
var _this = this;
if (id === void 0) { id = "mat-dialog-" + uniqueId++; }
this._overlayRef = _overlayRef;
this._containerInstance = _containerInstance;
this.id = id;
/** Whether the user is allowed to close the dialog. */
this.disableClose = this._containerInstance._config.disableClose;
/** Subject for notifying the user that the dialog has finished opening. */
this._afterOpened = new Subject();
/** Subject for notifying the user that the dialog has finished closing. */
this._afterClosed = new Subject();
/** Subject for notifying the user that the dialog has started closing. */
this._beforeClosed = new Subject();
/** Current state of the dialog. */
this._state = 0 /* OPEN */;
// Pass the id along to the container.
_containerInstance._id = id;
// Emit when opening animation completes
_containerInstance._animationStateChanged.pipe(filter(function (event) { return event.phaseName === 'done' && event.toState === 'enter'; }), take(1))
.subscribe(function () {
_this._afterOpened.next();
_this._afterOpened.complete();
});
// Dispose overlay when closing animation is complete
_containerInstance._animationStateChanged.pipe(filter(function (event) { return event.phaseName === 'done' && event.toState === 'exit'; }), take(1)).subscribe(function () {
clearTimeout(_this._closeFallbackTimeout);
_this._overlayRef.dispose();
});
_overlayRef.detachments().subscribe(function () {
_this._beforeClosed.next(_this._result);
_this._beforeClosed.complete();
_this._afterClosed.next(_this._result);
_this._afterClosed.complete();
_this.componentInstance = null;
_this._overlayRef.dispose();
});
_overlayRef.keydownEvents()
.pipe(filter(function (event) {
return event.keyCode === ESCAPE && !_this.disableClose && !hasModifierKey(event);
}))
.subscribe(function (event) {
event.preventDefault();
_this.close();
});
}
/**
* Close the dialog.
* @param dialogResult Optional result to return to the dialog opener.
*/
MatDialogRef.prototype.close = function (dialogResult) {
var _this = this;
this._result = dialogResult;
// Transition the backdrop in parallel to the dialog.
this._containerInstance._animationStateChanged.pipe(filter(function (event) { return event.phaseName === 'start'; }), take(1))
.subscribe(function (event) {
_this._beforeClosed.next(dialogResult);
_this._beforeClosed.complete();
_this._state = 2 /* CLOSED */;
_this._overlayRef.detachBackdrop();
// The logic that disposes of the overlay depends on the exit animation completing, however
// it isn't guaranteed if the parent view is destroyed while it's running. Add a fallback
// timeout which will clean everything up if the animation hasn't fired within the specified
// amount of time plus 100ms. We don't need to run this outside the NgZone, because for the
// vast majority of cases the timeout will have been cleared before it has the chance to fire.
_this._closeFallbackTimeout = setTimeout(function () {
_this._overlayRef.dispose();
}, event.totalTime + 100);
});
this._containerInstance._startExitAnimation();
this._state = 1 /* CLOSING */;
};
/**
* Gets an observable that is notified when the dialog is finished opening.
*/
MatDialogRef.prototype.afterOpened = function () {
return this._afterOpened.asObservable();
};
/**
* Gets an observable that is notified when the dialog is finished closing.
*/
MatDialogRef.prototype.afterClosed = function () {
return this._afterClosed.asObservable();
};
/**
* Gets an observable that is notified when the dialog has started closing.
*/
MatDialogRef.prototype.beforeClosed = function () {
return this._beforeClosed.asObservable();
};
/**
* Gets an observable that emits when the overlay's backdrop has been clicked.
*/
MatDialogRef.prototype.backdropClick = function () {
return this._overlayRef.backdropClick();
};
/**
* Gets an observable that emits when keydown events are targeted on the overlay.
*/
MatDialogRef.prototype.keydownEvents = function () {
return this._overlayRef.keydownEvents();
};
/**
* Updates the dialog's position.
* @param position New dialog position.
*/
MatDialogRef.prototype.updatePosition = function (position) {
var strategy = this._getPositionStrategy();
if (position && (position.left || position.right)) {
position.left ? strategy.left(position.left) : strategy.right(position.right);
}
else {
strategy.centerHorizontally();
}
if (position && (position.top || position.bottom)) {
position.top ? strategy.top(position.top) : strategy.bottom(position.bottom);
}
else {
strategy.centerVertically();
}
this._overlayRef.updatePosition();
return this;
};
/**
* Updates the dialog's width and height.
* @param width New width of the dialog.
* @param height New height of the dialog.
*/
MatDialogRef.prototype.updateSize = function (width, height) {
if (width === void 0) { width = ''; }
if (height === void 0) { height = ''; }
this._getPositionStrategy().width(width).height(height);
this._overlayRef.updatePosition();
return this;
};
/** Add a CSS class or an array of classes to the overlay pane. */
MatDialogRef.prototype.addPanelClass = function (classes) {
this._overlayRef.addPanelClass(classes);
return this;
};
/** Remove a CSS class or an array of classes from the overlay pane. */
MatDialogRef.prototype.removePanelClass = function (classes) {
this._overlayRef.removePanelClass(classes);
return this;
};
/** Gets the current state of the dialog's lifecycle. */
MatDialogRef.prototype.getState = function () {
return this._state;
};
/** Fetches the position strategy object from the overlay ref. */
MatDialogRef.prototype._getPositionStrategy = function () {
return this._overlayRef.getConfig().positionStrategy;
};
return MatDialogRef;
}());
export { MatDialogRef };
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* @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {ESCAPE, hasModifierKey} from '@angular/cdk/keycodes';\nimport {GlobalPositionStrategy, OverlayRef} from '@angular/cdk/overlay';\nimport {Observable, Subject} from 'rxjs';\nimport {filter, take} from 'rxjs/operators';\nimport {DialogPosition} from './dialog-config';\nimport {MatDialogContainer} from './dialog-container';\n\n\n// TODO(jelbourn): resizing\n\n// Counter for unique dialog ids.\nlet uniqueId = 0;\n\n/** Possible states of the lifecycle of a dialog. */\nexport const enum MatDialogState {OPEN, CLOSING, CLOSED}\n\n/**\n * Reference to a dialog opened via the MatDialog service.\n */\nexport class MatDialogRef<T, R = any> {\n  /** The instance of component opened into the dialog. */\n  componentInstance: T;\n\n  /** Whether the user is allowed to close the dialog. */\n  disableClose: boolean | undefined = this._containerInstance._config.disableClose;\n\n  /** Subject for notifying the user that the dialog has finished opening. */\n  private readonly _afterOpened = new Subject<void>();\n\n  /** Subject for notifying the user that the dialog has finished closing. */\n  private readonly _afterClosed = new Subject<R | undefined>();\n\n  /** Subject for notifying the user that the dialog has started closing. */\n  private readonly _beforeClosed = new Subject<R | undefined>();\n\n  /** Result to be passed to afterClosed. */\n  private _result: R | undefined;\n\n  /** Handle to the timeout that's running as a fallback in case the exit animation doesn't fire. */\n  private _closeFallbackTimeout: number;\n\n  /** Current state of the dialog. */\n  private _state = MatDialogState.OPEN;\n\n  constructor(\n    private _overlayRef: OverlayRef,\n    public _containerInstance: MatDialogContainer,\n    readonly id: string = `mat-dialog-${uniqueId++}`) {\n\n    // Pass the id along to the container.\n    _containerInstance._id = id;\n\n    // Emit when opening animation completes\n    _containerInstance._animationStateChanged.pipe(\n      filter(event => event.phaseName === 'done' && event.toState === 'enter'),\n      take(1)\n    )\n    .subscribe(() => {\n      this._afterOpened.next();\n      this._afterOpened.complete();\n    });\n\n    // Dispose overlay when closing animation is complete\n    _containerInstance._animationStateChanged.pipe(\n      filter(event => event.phaseName === 'done' && event.toState === 'exit'),\n      take(1)\n    ).subscribe(() => {\n      clearTimeout(this._closeFallbackTimeout);\n      this._overlayRef.dispose();\n    });\n\n    _overlayRef.detachments().subscribe(() => {\n      this._beforeClosed.next(this._result);\n      this._beforeClosed.complete();\n      this._afterClosed.next(this._result);\n      this._afterClosed.complete();\n      this.componentInstance = null!;\n      this._overlayRef.dispose();\n    });\n\n    _overlayRef.keydownEvents()\n      .pipe(filter(event => {\n        return event.keyCode === ESCAPE && !this.disableClose && !hasModifierKey(event);\n      }))\n      .subscribe(event => {\n        event.preventDefault();\n        this.close();\n      });\n  }\n\n  /**\n   * Close the dialog.\n   * @param dialogResult Optional result to return to the dialog opener.\n   */\n  close(dialogResult?: R): void {\n    this._result = dialogResult;\n\n    // Transition the backdrop in parallel to the dialog.\n    this._containerInstance._animationStateChanged.pipe(\n      filter(event => event.phaseName === 'start'),\n      take(1)\n    )\n    .subscribe(event => {\n      this._beforeClosed.next(dialogResult);\n      this._beforeClosed.complete();\n      this._state = MatDialogState.CLOSED;\n      this._overlayRef.detachBackdrop();\n\n      // The logic that disposes of the overlay depends on the exit animation completing, however\n      // it isn't guaranteed if the parent view is destroyed while it's running. Add a fallback\n      // timeout which will clean everything up if the animation hasn't fired within the specified\n      // amount of time plus 100ms. We don't need to run this outside the NgZone, because for the\n      // vast majority of cases the timeout will have been cleared before it has the chance to fire.\n      this._closeFallbackTimeout = setTimeout(() => {\n        this._overlayRef.dispose();\n      }, event.totalTime + 100);\n    });\n\n    this._containerInstance._startExitAnimation();\n    this._state = MatDialogState.CLOSING;\n  }\n\n  /**\n   * Gets an observable that is notified when the dialog is finished opening.\n   */\n  afterOpened(): Observable<void> {\n    return this._afterOpened.asObservable();\n  }\n\n  /**\n   * Gets an observable that is notified when the dialog is finished closing.\n   */\n  afterClosed(): Observable<R | undefined> {\n    return this._afterClosed.asObservable();\n  }\n\n  /**\n   * Gets an observable that is notified when the dialog has started closing.\n   */\n  beforeClosed(): Observable<R | undefined> {\n    return this._beforeClosed.asObservable();\n  }\n\n  /**\n   * Gets an observable that emits when the overlay's backdrop has been clicked.\n   */\n  backdropClick(): Observable<MouseEvent> {\n    return this._overlayRef.backdropClick();\n  }\n\n  /**\n   * Gets an observable that emits when keydown events are targeted on the overlay.\n   */\n  keydownEvents(): Observable<KeyboardEvent> {\n    return this._overlayRef.keydownEvents();\n  }\n\n  /**\n   * Updates the dialog's position.\n   * @param position New dialog position.\n   */\n  updatePosition(position?: DialogPosition): this {\n    let strategy = this._getPositionStrategy();\n\n    if (position && (position.left || position.right)) {\n      position.left ? strategy.left(position.left) : strategy.right(position.right);\n    } else {\n      strategy.centerHorizontally();\n    }\n\n    if (position && (position.top || position.bottom)) {\n      position.top ? strategy.top(position.top) : strategy.bottom(position.bottom);\n    } else {\n      strategy.centerVertically();\n    }\n\n    this._overlayRef.updatePosition();\n\n    return this;\n  }\n\n  /**\n   * Updates the dialog's width and height.\n   * @param width New width of the dialog.\n   * @param height New height of the dialog.\n   */\n  updateSize(width: string = '', height: string = ''): this {\n    this._getPositionStrategy().width(width).height(height);\n    this._overlayRef.updatePosition();\n    return this;\n  }\n\n  /** Add a CSS class or an array of classes to the overlay pane. */\n  addPanelClass(classes: string | string[]): this {\n    this._overlayRef.addPanelClass(classes);\n    return this;\n  }\n\n  /** Remove a CSS class or an array of classes from the overlay pane. */\n  removePanelClass(classes: string | string[]): this {\n    this._overlayRef.removePanelClass(classes);\n    return this;\n  }\n\n  /** Gets the current state of the dialog's lifecycle. */\n  getState(): MatDialogState {\n    return this._state;\n  }\n\n  /** Fetches the position strategy object from the overlay ref. */\n  private _getPositionStrategy(): GlobalPositionStrategy {\n    return this._overlayRef.getConfig().positionStrategy as GlobalPositionStrategy;\n  }\n}\n"]}