CocoRoboDesktop/kityminder-editor/ui/directive/operation/operation.html

<div class="km-btn-group operation-group">
    <div class="km-btn-item edit-node"
         ng-disabled="minder.queryCommandState('text') === -1"
         ng-click="minder.queryCommandState('text') === -1 || editNode()"
         title="{{ 'editnode' | lang:'ui/command' }}">
        <i class="km-btn-icon"></i>
        <span class="km-btn-caption">{{ 'editnode' | lang:'ui/command' }}</span>
    </div>
    <div class="km-btn-item remove-node"
         ng-disabled="minder.queryCommandState('RemoveNode') === -1"
         ng-click="minder.queryCommandState('RemoveNode') === -1 || minder.execCommand('RemoveNode');"
         title="{{ 'removenode' | lang:'ui/command' }}">
        <i class="km-btn-icon"></i>
        <span class="km-btn-caption">{{ 'removenode' | lang:'ui/command' }}</span>
    </div>
</div>