MdSidenav should provide an option to disable the default functionality of closing the sidenav when escape is pressed

[s992]

Currently, there is not an easy way to prevent sidenav from closing when the escape key is pressed due to the handleKeyDown method on MdSidenav.

It would be ideal to have a way to override this method, or at least be able to provide a boolean indicating that we do or do not want escape to close the sidenav.

For anyone searching for a workaround, it can be accomplished by using ViewChild and overriding the method in ngAfterViewInit (only including relevant bits in this snippet):

import { ViewChild, AfterViewInit } from '@angular/core';
import { MdSidenav } from '@angular/material';

export class SidebarComponent implements AfterViewInit {
  @ViewChild(MdSidenav) sidenav: MdSidenav;

  ngAfterViewInit() {
    this.sidenav.handleKeydown = () => {};
  }
}

[crisbeto]

Should be taken care of with #2501.

[s992]

Sounds good! Closing this as a duplicate, then.

[manuelQuiroz]

include property disableClose : boolean

<md-sidenav-container>
       
        <md-sidenav opened mode="side" disableClose="true"   >
        <!-- sidenav content -->
        </md-sidenav>

  <!-- primary content -->
</md-sidenav-container>

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