knob.component.html
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<!--
Copyright © 2016-2020 The Thingsboard Authors
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<div class="tb-knob" fxLayout="column" [ngStyle]="{'pointerEvents': ctx.isEdit ? 'none' : 'all'}">
<div #knobContainer id="knob-container" fxFlex fxLayout="column" fxLayoutAlign="center center">
<div #knob class="knob">
<div #knobValueContainer class="value-container" fxLayout="row" fxLayoutAlign="center center">
<span #knobValue class="knob-value">{{ value }}</span>
</div>
<div class="canvas-background"></div>
<canvas #canvasBar id="canvasBar"></canvas>
<div #knobTopPointerContainer class="top-pointer-container">
<div #knobTopPointer class="top-pointer"></div>
</div>
<div class="top"></div>
<div #knobErrorContainer class="error-container" [ngStyle]="{'background': error?.length ? 'rgba(255,255,255,0.25)' : 'none'}"
fxLayout="row" fxLayoutAlign="center center">
<span #knobError class="knob-error" [innerHTML]="error"></span>
</div>
<div #knobTitleContainer class="title-container" fxLayout="row" fxLayoutAlign="center center">
<span #knobTitle class="knob-title">{{ title }}</span>
</div>
<div #knobMinmaxContainer class="minmax-container" fxLayout="row" fxLayoutAlign="start center">
<span class="minmax-label">min</span>
<span fxFlex></span>
<span class="minmax-label">max</span>
</div>
<div #textMeasure id="text-measure"></div>
</div>
</div>
</div>