<template>
<uni-shadow-root class="vant-nav-bar-index"><view v-if="fixed && placeholder" :style="'height: '+(height)+'px;'"></view>

<view :class="(utils.bem('nav-bar', { fixed }))+' custom-class '+(border ? 'van-hairline--bottom' : '')" :style="(computed.barStyle({ zIndex, statusBarHeight, safeAreaInsetTop }))+'; '+(customStyle)">
  <view class="van-nav-bar__content">
    <view class="van-nav-bar__left" @click="onClickLeft">
      <block v-if="leftArrow || leftText">
        <van-icon v-if="leftArrow" size="16px" name="arrow-left" custom-class="van-nav-bar__arrow"></van-icon>
        <view v-if="leftText" class="van-nav-bar__text" hover-class="van-nav-bar__text--hover" hover-stay-time="70">{{ leftText }}</view>
      </block>
      <slot v-else name="left"></slot>
    </view>
    <view class="van-nav-bar__title title-class van-ellipsis">
      <block v-if="title">{{ title }}</block>
      <slot v-else name="title"></slot>
    </view>
    <view class="van-nav-bar__right" @click="onClickRight">
      <view v-if="rightText" class="van-nav-bar__text" hover-class="van-nav-bar__text--hover" hover-stay-time="70">{{ rightText }}</view>
      <slot v-else name="right"></slot>
    </view>
  </view>
</view></uni-shadow-root>
</template>
<wxs src="../wxs/utils.wxs" module="utils"></wxs><wxs src="./index.wxs" module="computed"></wxs>
<script>
import VanIcon from '../icon/index.vue'
global['__wxVueOptions'] = {components:{'van-icon': VanIcon}}

global['__wxRoute'] = 'vant/nav-bar/index'
import { VantComponent } from '../common/component';
import { getRect, getSystemInfoSync } from '../common/utils';
VantComponent({
  classes: ['title-class'],
  props: {
    title: String,
    fixed: {
      type: Boolean,
      observer: 'setHeight',
    },
    placeholder: {
      type: Boolean,
      observer: 'setHeight',
    },
    leftText: String,
    rightText: String,
    customStyle: String,
    leftArrow: Boolean,
    border: {
      type: Boolean,
      value: true,
    },
    zIndex: {
      type: Number,
      value: 1,
    },
    safeAreaInsetTop: {
      type: Boolean,
      value: true,
    },
  },
  data: {
    height: 46,
  },
  created() {
    const { statusBarHeight } = getSystemInfoSync();
    this.setData({
      statusBarHeight,
      height: 46 + statusBarHeight,
    });
  },
  mounted() {
    this.setHeight();
  },
  methods: {
    onClickLeft() {
      this.$emit('click-left');
    },
    onClickRight() {
      this.$emit('click-right');
    },
    setHeight() {
      if (!this.data.fixed || !this.data.placeholder) {
        return;
      }
      wx.nextTick(() => {
        getRect(this, '.van-nav-bar').then((res) => {
          if (res && 'height' in res) {
            this.setData({ height: res.height });
          }
        });
      });
    },
  },
});
export default global['__wxComponents']['vant/nav-bar/index']
</script>
<style platform="mp-weixin">
@import '../common/index.css';

.van-nav-bar {
  position: relative;
  text-align: center;
  -webkit-user-select: none;
  user-select: none;
  height: 92rpx;
  height: var(--nav-bar-height,92rpx);
  line-height: 92rpx;
  line-height: var(--nav-bar-height,92rpx);
  background-color: #fff;
  background-color: var(--nav-bar-background-color,#fff);
}

.van-nav-bar__content {
  position: relative;
  height: 100%;
}

.van-nav-bar__text {
  display: inline-block;
  vertical-align: middle;
  margin: 0 -32rpx;
  margin: 0 -var(--padding-md,32rpx);
  padding: 0 32rpx;
  padding: 0 var(--padding-md,32rpx);
  color: #1989fa;
  color: var(--nav-bar-text-color,#1989fa);
}

.van-nav-bar__text--hover {
  background-color: #f2f3f5;
  background-color: var(--active-color,#f2f3f5);
}

.van-nav-bar__arrow {
  vertical-align: middle;
  font-size: 32rpx!important;
  font-size: var(--nav-bar-arrow-size,32rpx)!important;
  color: #1989fa!important;
  color: var(--nav-bar-icon-color,#1989fa)!important;
}

.van-nav-bar__arrow+.van-nav-bar__text {
  margin-left: -40rpx;
  padding-left: 50rpx;
}

.van-nav-bar--fixed {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
}

.van-nav-bar__title {
  max-width: 60%;
  margin: 0 auto;
  color: #323233;
  color: var(--nav-bar-title-text-color,#323233);
  font-weight: 500;
  font-weight: var(--font-weight-bold,500);
  font-size: 32rpx;
  font-size: var(--nav-bar-title-font-size,32rpx);
}

.van-nav-bar__left,
.van-nav-bar__right {
  position: absolute;
  top: 0;
  bottom: 0;
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  font-size: 28rpx;
  font-size: var(--font-size-md,28rpx);
}

.van-nav-bar__left {
  left: 32rpx;
  left: var(--padding-md,32rpx);
}

.van-nav-bar__right {
  right: 32rpx;
  right: var(--padding-md,32rpx);
}
</style>