<template>
  <el-dialog
    title="配置"
    :visible.sync="dialogVisible"
    width="50%"
    :before-close="handleClose">
    <el-form :model="dataForm" ref="dataForm" :rules="dataRule" label-width="1.1rem" size="mini">
      <p class="tip">语言选择</p>
      <el-form-item label="语言" prop="selectedLanguage">
        <el-select v-model="dataForm.selectedLanguage" placeholder="请选择" style="width: 100%;">
          <el-option
            v-for="item in languages"
            :key="item.value"
            :label="item.label"
            :value="item.value">
          </el-option>
        </el-select>
      </el-form-item>
      <p class="tip">参数配置</p>
      <el-form-item label="调度IP" prop="ip">
        <el-input placeholder="请输入调度IP" v-model="dataForm.ip" @focus="show" data-layout="normal"></el-input>
      </el-form-item>
      <el-form-item label="WIFI" prop="wifi">
        <el-input placeholder="请输入WIFI" v-model="dataForm.wifi" @focus="show" data-layout="normal"></el-input>
      </el-form-item>
    </el-form>
    <el-row type="flex" justify="space-around" style="margin-top: .3rem">
      <el-col :span="7"><button class="button_control button_control_disabled" @click="exitUser"><p>取消</p></button></el-col>
      <el-col :span="7"><button class="button_control" @click="dataFormSubmit"><p>保存</p></button></el-col>
    </el-row>
    <vue-touch-keyboard id="keyboard" :options="options" v-if="visible" :layout="layout" :cancel="hide" :accept="accept" :input="input" :next="next" />
  </el-dialog>
</template>

<script>
export default {
  data () {
    return {
      dialogVisible: false,
      dataForm: {
        selectedLanguage: '',
        ip: '',
        wifi: ''
      },
      dataRule: {
        ip: [
          { required: true, message: '调度IP不能为空', trigger: 'blur' }
        ],
        wifi: [
          { required: true, message: 'WIFI不能为空', trigger: 'blur' }
        ]
      },
      languages: [
        {label: '中文', value: 'zh'},
        {label: 'English', value: 'en'},
        {label: 'Español', value: 'es'}
      ],
      visible: false,
      layout: 'normal',
      input: null,
      options: {
        useKbEvents: false,
        preventClickEvent: false
      }
    }
  },
  methods: {
    init () {
      this.dialogVisible = true
    },
    exitUser () {
      this.dialogVisible = false
      this.visible = false
    },
    dataFormSubmit () {
      this.dialogVisible = false
      this.visible = false
    },
    handleClose (done) {
      this.visible = false
      done()
    },
    show (e) {
      // 关闭中文keyboard
      let arr = document.querySelectorAll('.hg-theme-default')
      arr.forEach((ele) => {
        ele.style.visibility = 'hidden'
      })
      this.input = e.target
      this.layout = e.target.dataset.layout
      if (!this.visible) {
        this.visible = true
      }
    },
    hide () {
      this.visible = false
    },
    accept () {
      this.hide()
    },
    next () {
      let inputs = document.querySelectorAll('input')
      let found = false;
      [].forEach.call(inputs, (item, i) => {
        if (!found && item === this.input && i < inputs.length - 1 && this.input.dataset.next === '1') {
          found = true
          this.$nextTick(() => {
            inputs[i + 1].focus()
          })
        }
      })
      if (!found) {
        this.input.blur()
        this.hide()
      }
    }
  }
}
</script>

<style lang="stylus" scoped>
.tip
  font-size .2rem
  font-weight 700
  font-family 'SourceHanSansCN-Bold'
  line-height .2rem
  color #E54F29
  margin-bottom .1rem
</style>
