dialog

<!-- xxx.hml -->
<div class="doc-page">
  <div class="btn-div">
    <button type="capsule" value="Click here" class="btn" onclick="showDialog"></button>
  </div>
  <dialog id="simpledialog" class="dialog-main" oncancel="cancelDialog">
    <div class="dialog-div">
      <div class="inner-txt">
        <text class="txt">Simple dialog</text>
      </div>
      <div class="inner-btn">
        <button type="capsule" value="Cancel" onclick="cancelSchedule" class="btn-txt"></button>
        <button type="capsule" value="Confirm" onclick="setSchedule" class="btn-txt"></button>
      </div>
    </div>
  </dialog>
</div>

/* xxx.css */
.doc-page {
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.btn-div {
  width: 100%;
  height: 200px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.txt {
  color: #000000;
  font-weight: bold;
  font-size: 39px;
}
.dialog-main {
  width: 500px;
}
.dialog-div {
  flex-direction: column;
  align-items: center;
}
.inner-txt {
  width: 400px;
  height: 160px;
  flex-direction: column;
  align-items: center;
  justify-content: space-around;
}
.inner-btn {
  width: 400px;
  height: 120px;
  justify-content: space-around;
  align-items: center;
}

// xxx.js
import prompt from '@system.prompt';

export default {
  showDialog(e) {
    this.$element('simpledialog').show()
  },
  cancelDialog(e) {
    prompt.showToast({
      message: 'Dialog cancelled'
    })
  },
  cancelSchedule(e) {
    this.$element('simpledialog').close()
    prompt.showToast({
      message: 'Successfully cancelled'
    })
  },
  setSchedule(e) {
    this.$element('simpledialog').close()
    prompt.showToast({
      message: 'Successfully confirmed'
    })
  }
}