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Fixes #4258

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- Added a listener to the `onBeforeUnload`-event.
- This prevent reloading or closing the window including `F5, Shift+F5, Ctrl+R, Ctrl+Shift+R, Crtl+W, closing the tab by 'x'`

Added comment to the event-function.
This commit is contained in:
GabrielMeyer 2019-02-05 14:34:40 +01:00
parent 90e6af9ef0
commit 21f9715623
1 changed files with 14 additions and 1 deletions
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15
client/src/app/site/motions/components/motion-detail/motion-detail.component.ts
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@ -1,5 +1,5 @@
import { ActivatedRoute, Router } from '@angular/router'; import { ActivatedRoute, Router } from '@angular/router';
import { Component, OnInit, ViewChild, ElementRef } from '@angular/core'; import { Component, OnInit, ViewChild, ElementRef, HostListener } from '@angular/core';
import { DomSanitizer, SafeHtml, Title } from '@angular/platform-browser'; import { DomSanitizer, SafeHtml, Title } from '@angular/platform-browser';
import { FormBuilder, FormGroup, Validators, FormControl } from '@angular/forms'; import { FormBuilder, FormGroup, Validators, FormControl } from '@angular/forms';
import { MatDialog, MatExpansionPanel, MatSnackBar, MatCheckboxChange, ErrorStateMatcher } from '@angular/material'; import { MatDialog, MatExpansionPanel, MatSnackBar, MatCheckboxChange, ErrorStateMatcher } from '@angular/material';
@ -1172,6 +1172,19 @@ export class MotionDetailComponent extends BaseViewComponent implements OnInit {
this.personalNoteService.setPersonalNoteStar(this.motion.motion, !this.motion.star); this.personalNoteService.setPersonalNoteStar(this.motion.motion, !this.motion.star);
} }
/**
* Function to prevent automatically closing the window/tab,
* if the user is editing a motion.
*
* @param $event The event object from 'onUnbeforeUnload'.
*/
@HostListener('window:beforeunload', ['$event'])
public stopClosing($event: Event): void {
if (this.editMotion) {
$event.returnValue = null;
}
}
/** /**
* Translate the state's css class into a color * Translate the state's css class into a color
* *