<template>
  <div class="components-container">
    <code> <a href='https://github.com/PanJiaChen/vue-countTo' target='_blank'>countTo component</a></code>

    <count-to ref='example' class='example' :start-val='_startVal' :end-val='_endVal' :duration='_duration' :decimals='_decimals'
      :separator='_separator' :prefix='_prefix' :suffix='_suffix' :autoplay='false'></count-to>
    <div style='margin-left: 25%;margin-top: 40px;'>
      <label class="label" for="startValInput">startVal:  <input type="number" v-model.number='setStartVal' name='startValInput' /></label>
      <label class="label" for="endValInput">endVal:  <input type="number" v-model.number='setEndVal' name='endVaInput' /></label>
      <label class="label" for="durationInput">duration:  <input type="number" v-model.number='setDuration' name='durationInput' /></label>
      <div class="startBtn example-btn" @click='start'>开始</div>
      <div class="pause-resume-btn example-btn" @click='pauseResume'>暂停/恢复</div>
      <br/>
      <label class="label" for="decimalsInput">decimals:  <input type="number" v-model.number='setDecimals' name='decimalsInput' /></label>
      <label class="label" for="separatorInput">separator:  <input v-model='setSeparator' name='separatorInput' /></label>
      <label class="label" for="prefixInput">prefix: <input v-model='setPrefix' name='prefixInput' /></label>
      <label class="label" for="suffixInput">suffix: <input v-model='setSuffix' name='suffixInput' /></label>
    </div>
    <code>&lt;count-to  :start-val=&#x27;{{_startVal}}&#x27; :end-val=&#x27;{{_endVal}}&#x27; :duration=&#x27;{{_duration}}&#x27; :decimals=&#x27;{{_decimals}}&#x27;
            :separator=&#x27;{{_separator}}&#x27; :prefix=&#x27;{{_prefix}}&#x27; :suffix=&#x27;{{_suffix}}&#x27; :autoplay=false&gt;</code>
  </div>
</template>

<script>
  import countTo from 'vue-count-to';
  export default {
    components: { countTo },
    data() {
      return {
        setStartVal: 0,
        setEndVal: 2017,
        setDuration: 4000,
        setDecimals: 0,
        setSeparator: ',',
        setSuffix: ' rmb',
        setPrefix: '¥ '
      }
    },
    computed: {
      _startVal() {
        if (this.setStartVal) {
          return this.setStartVal
        } else {
          return 0
        }
      },
      _endVal() {
        if (this.setEndVal) {
          return this.setEndVal
        } else {
          return 0
        }
      },
      _duration() {
        if (this.setDuration) {
          return this.setDuration
        } else {
          return 100
        }
      },
      _decimals() {
        if (this.setDecimals) {
          if (this.setDecimals < 0 || this.setDecimals > 20) {
            alert('digits argument must be between 0 and 20')
            return 0
          }
          return this.setDecimals
        } else {
          return 0
        }
      },
      _separator() {
        return this.setSeparator
      },
      _suffix() {
        return this.setSuffix
      },
      _prefix() {
        return this.setPrefix
      }
    },
    methods: {
      start() {
        this.$refs.example.start();
      },
      pauseResume() {
        this.$refs.example.pauseResume();
      }
    }
  };
</script>

<style scoped>
.example-btn {
  display: inline-block;
  margin-bottom: 0;
  font-weight: 500;
  text-align: center;
  -ms-touch-action: manipulation;
  touch-action: manipulation;
  cursor: pointer;
  background-image: none;
  border: 1px solid transparent;
  white-space: nowrap;
  line-height: 1.5;
  padding: 4px 15px;
  font-size: 12px;
  border-radius: 4px;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-transition: all .3s cubic-bezier(.645, .045, .355, 1);
  transition: all .3s cubic-bezier(.645, .045, .355, 1);
  position: relative;
  color: rgba(0, 0, 0, .65);
  background-color: #fff;
  border-color: #d9d9d9;
}

.example-btn:hover {
  color: #4AB7BD;
  background-color: #fff;
  border-color: #4AB7BD;
}
.example {
  font-size: 50px;
  color: #F6416C;
  display: block;
  margin: 10px 0;
  text-align: center;
  font-size: 80px;
  font-weight: 500;
}

.label {
  color: #2f4f4f;
  font-size: 16px;
  display: inline-block;
  margin: 15px 30px 15px 0;
}

input {
  position: relative;
  display: inline-block;
  padding: 4px 7px;
  width: 70px;
  height: 28px;
  cursor: text;
  font-size: 12px;
  line-height: 1.5;
  color: rgba(0, 0, 0, .65);
  background-color: #fff;
  background-image: none;
  border: 1px solid #d9d9d9;
  border-radius: 4px;
  -webkit-transition: all .3s;
  transition: all .3s;
}

.startBtn {
  margin-left: 20px;
  font-size: 20px;
  color: #30B08F;
  background-color: #fff;
}

.startBtn:hover {
  background-color: #30B08F;
  color: #fff;
  border-color: #30B08F;
}

.pause-resume-btn {
  font-size: 20px;
  color: #E65D6E;
  background-color: #fff;
}

.pause-resume-btn:hover {
  background-color: #E65D6E;
  color: #fff;
  border-color: #E65D6E;
}
</style>


