The issue with the sticky table header functionality is that it is not functioning properly within the Angular Materials mat

Hi there,

I'm currently facing some challenges with html/css tables and sticky headers in combination with Angular Material.

Within my project, I am utilizing Angular Material's sidenav components such as <mat-sidenav-container>, <mat-sidenav>, and <mat-sidenav-content>. Unfortunately, the sticky header functionality of tables does not seem to work properly inside the <mat-sidenav-container>.

To help illustrate the issue more clearly, I have created a small GitHub repository: Repo: https://github.com/ManticSic/angular-material-sticky-table-issue
GH Pages:

The table header seems to be shifted 64px downwards instead of staying fixed at y=64px when scrolling.

Are you aware of any potential solutions to this issue?

Thank you and cheers!


Additional Information

  • It would be acceptable if the header remains fixed at the top of the page since only a table is being displayed in this specific view. However, it is crucial that column widths are maintained correctly.
  • I am hoping for a resolution without the need for JavaScript.
  • The solution should be compatible with the latest versions of Firefox, Chrome/Chromium, Safari, and the Samsung mobile browser.

Tried Solutions That Did Not Work

  • Applying position:fixed to app-table-header and removing position:sticky from cells: Unfortunately, this approach did not work as it resulted in incorrect column widths.

Answer №1

To resolve the problem, you can eliminate or override the overflow properties of mat-sidenav-container and mat-sidenav-content.

If not specified, Angular Material will automatically create mat-sidenav-content.

Check out navigation.component.sass for more details.

mat-sidenav-container, mat-sidenav-content
  overflow: initial

Thanks to everyone who stopped by to read this post!

Answer №2

To achieve the desired effect, try using position:fixed instead of sticky and also include width:100%. This should provide the solution you are looking for.

For instance:

app-table-header {
    font-size: 1.2em;
    font-weight: 700;
    position: fixed;
    top: 64px;
    z-index: 10;
    width: 100%;
    background: #fafafa;
}

I have set the same table background color for app-table-header to enhance its appearance.

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