packages/wxc-special-rich-text/index.vue

<!--
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you 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.
-->
<!-- Created by Tw93 on 17/07/28. -->
<!-- just hack for babel-plugin-component !!!-->

<template>
  <div class="wxc-special-rich-text" @click="$emit('wxcSpecialRichTextClick')">
    <div class="tag-div"
         :style="Object.assign({top:top+'px'}, newList[0].tagDivStyle)">
      <image class="wxc-image"
             v-if="newList[0] && newList[0].type === 'icon' && newList[0].src"
             :src="newList[0].src"
             quality="original"
             :original="true"
             @load="onLoad"
             :style="newList[0].style"
             :aria-hidden="true">
      </image>
      <wxc-rich-text-tag v-if="newList[0] && newList[0].type === 'tag' && newList[0].value"
                         :tag-value="newList[0].value"
                         :tag-theme="newList[0].theme"
                         :tag-style="newList[0].style"></wxc-rich-text-tag>
    </div>
    <text :class="['wxc-text', newList[0].theme]"
          :style="newList[0].style"
          v-if="newList[0] && newList[0].type === 'text' && newList[0].value">{{newList[0].value}}</text>

    <text :class="['wxc-text', newList[1].theme]"
          :style="newList[1].style"
          v-if="newList[1] && newList[1].value">{{newList[1].value}}</text>
  </div>
</template>

<style scoped>
  .wxc-special-rich-text {
    position: relative;
  }

  .tag-div {
    position: absolute;
    top: 0;
    color: #A5A5A5;
    font-size: 24px;
    line-height: 30px;
  }

  .wxc-text {
    font-size: 24px;
    line-height: 34px;
    color: #3d3d3d;
    lines: 2;
    text-overflow: ellipsis;
    overflow: hidden;
  }

  .black {
    color: #3D3D3D;
  }

  .yellow {
    color: #EE9900;
  }

  .blue {
    color: #30A0FF;
  }

  .gray {
    color: #A5A5A5;
  }

  .red {
    color: #FF5000;
  }

  .margin-text {
    margin-right: 6px;
  }
</style>

<script>
  import Utils from '../utils';

  const { appName, osName, deviceWidth } = weex.config.env;
  const needHack = ((Utils.env.isWeb() || appName === 'UC' || appName === 'TUnionSDK') && osName !== 'iOS') || Utils.env.isAndroid();
  const isPad = osName === 'iOS' && deviceWidth > 1300;

  import WxcRichTextText from '../wxc-rich-text/wxc-rich-text-text.vue';
  import WxcRichTextTag from '../wxc-rich-text/wxc-rich-text-tag.vue'

  export default {
    components: {
      WxcRichTextText,
      WxcRichTextTag
    },
    props: {
      configList: {
        type: [Array, String],
        default: () => ({})
      }
    },
    data: () => ({
      iconWidth: 90,
      iconHeight: 24,
      needHack
    }),
    computed: {
      newList () {
        const { configList, iconHeight, iconWidth, needHack } = this;
        if (Utils.isNonEmptyArray(configList) && configList.length === 2) {
          let r1 = configList[0];
          let r2 = configList[1];
          const iconStyle = r1.style;
          const textStyle = r2.style;
          let style = {};
          let fontSize = 24;
          let tagWidth = iconStyle && iconStyle.width ? iconStyle.width : 24;

          if (textStyle && textStyle.fontSize && !isNaN(textStyle.fontSize)) {
            fontSize = textStyle.fontSize;
            style = {
              fontSize: `${textStyle.fontSize}px`,
              lineHeight: `${Number(textStyle.fontSize * 1.4).toFixed(2)}px`
            }
          }

          if (textStyle && textStyle.color) {
            style = {
              ...style,
              color: textStyle.color
            }
          }

          if (textStyle && textStyle.lines) {
            style = {
              ...style,
              lines: textStyle.lines
            }
          }

          if (r1.type === 'icon' && iconStyle && iconStyle.height && !iconStyle.width) {
            tagWidth = parseInt(iconWidth * (iconStyle.height / iconHeight));
            r1 = {
              ...r1,
              style: {
                width: tagWidth + 'px',
                height: iconStyle.height + 'px'
              }
            }
          }

          if (r1.type === 'icon' && !(iconStyle && iconStyle.height)) {
            r1 = {
              ...r1,
              style: {
                width: iconWidth + 'px',
                height: iconHeight + 'px'
              }
            }
          }

          if (r1.type === 'tag' && iconStyle && iconStyle.width) {
            r1 = {
              ...r1,
              style: { ...iconStyle, width: null }
            }
          }

          let blank = '';
          let num = Math.ceil(tagWidth / fontSize) + 1;

          if (r1.type === 'tag' && r1.value) {
            num = this.countString(r1.value);
          }

          const tagMoreBlank = ((!isPad && num < 7) ? '  ' : '') + (needHack ? '  ' : '') + ((isPad && num < 3) ? '    ' : '');
          const iconMoreBlank = num > 2 ? (needHack ? '     ' : '   ') : ' ';
          if (r1.type === 'tag') {
            blank = new Array(num).join('  ') + tagMoreBlank;
          } else if (r1.type === 'icon') {
            blank = new Array(num).join('  ') + iconMoreBlank;
          }
          blank += (isPad && num > 2) ? '     ' : '';
          const newValue = r2.value ? blank + ` ${r2.value}` : '';

          r2 = {
            ...r2,
            style,
            value: newValue
          };

          return [r1, r2];
        } else {
          return configList;
        }
      },
      top () {
        const { configList, needHack } = this;
        if (Utils.isNonEmptyArray(configList) && configList.length === 2) {
          const iconStyle = configList[0].style;
          const textStyle = configList[1].style;
          let fontSize = 24;
          const tagHeight = iconStyle && iconStyle.height ? iconStyle.height : 26;
          if (textStyle && textStyle.fontSize) {
            fontSize = textStyle.fontSize;
          }
          const d = needHack ? 1.1 : 1.4;
          return Math.ceil((fontSize * d - tagHeight) / 2);
        } else {
          return 0;
        }
      }
    },
    methods: {
      onLoad (e) {
        if (e.success && e.size && e.size.naturalWidth > 0) {
          const { naturalWidth, naturalHeight } = e.size;
          this.iconWidth = naturalWidth;
          this.iconHeight = naturalHeight;
        } else {
          const { configList } = this;
          if (Utils.isNonEmptyArray(configList) && configList.length === 2) {
            const { style } = configList[0];
            if (style && style.height && style.width) {
              this.iconWidth = style.width;
              this.iconHeight = style.height;
            }
          }
        }
      },
      countString (str) {
        const chineseRegex = /[^ -~]/g;
        return str.replace(chineseRegex, '**').length;
      }
    }
  };
</script>