Angular Mat Tree: Understanding the Placement of Indicators

I'm trying to adjust the position of the indicator but I couldn't find any information in the documentation regarding this. Here is a helpful StackBlitz example from Angular Material docs. My goal is to have the indicator displayed on the right side of the title at every level of the tree structure. Thank you for your assistance :)

Answer №1

To implement a label and button in your HTML file, start by adding the label first and then the button as illustrated below:

<mat-tree-node *matTreeNodeDef="let node;when: hasChild" matTreeNodePadding>
   {{node.name}}
   <button mat-icon-button matTreeNodeToggle
        [attr.aria-label]="'toggle ' + node.name">
   <mat-icon class="mat-icon-rtl-mirror">
      {{treeControl.isExpanded(node) ? 'expand_more' : 'chevron_right'}}
    </mat-icon>
  </button>

You can view the updated code snippet here on stackblitz.

Answer №2

Simply switch the label and button positions

{{node.name}}
<button mat-icon-button matTreeNodeToggle [attr.aria-label]="'toggle ' + node.name">
  <mat-icon class="mat-icon-rtl-mirror">
    {{treeControl.isExpanded(node) ? 'expand_more' : 'chevron_right'}}
  </mat-icon>
</button>

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