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2022-08-11 988558aaa309068fd393cc654be537434b0a15ea

 src/components/iconSelector/index.vue

@@ -1,44 +1,65 @@
<template>
    <div class="icon-selector w100 h100">
        <el-popover placement="bottom" :width="fontIconWidth" trigger="click" transition="el-zoom-in-top" popper-class="icon-selector-popper" @show="onPopoverShow">
            <template #reference>
                <el-input v-model="fontIconSearch" :placeholder="fontIconPlaceholder" :clearable="clearable" :disabled="disabled" :size="size" ref="inputWidthRef" @clear="onClearFontIcon" @focus="onIconFocus" @blur="onIconBlur">
                    <template #prepend>
                        <SvgIcon :name="fontIconPrefix === '' ? prepend : fontIconPrefix" class="font14" v-if="fontIconPrefix === '' ? prepend?.indexOf('ele-') > -1 : fontIconPrefix?.indexOf('ele-') > -1" />
                        <i v-else :class="fontIconPrefix === '' ? prepend : fontIconPrefix" class="font14"></i>
                    </template>
                </el-input>
            </template>
            <template #default>
                <div class="icon-selector-warp">
                    <div class="icon-selector-warp-title flex">
                        <div class="flex-auto">{{ title }}</div>
                        <div class="icon-selector-warp-title-tab" v-if="type === 'all'">
                            <span :class="{ 'span-active': fontIconType === 'ali' }" @click="onIconChange('ali')" class="ml10" title="iconfont 图标">ali</span>
                            <span :class="{ 'span-active': fontIconType === 'ele' }" @click="onIconChange('ele')" class="ml10" title="elementPlus 图标">ele</span>
                            <span :class="{ 'span-active': fontIconType === 'awe' }" @click="onIconChange('awe')" class="ml10" title="fontawesome 图标">awe</span>
                        </div>
                    </div>
                    <div class="icon-selector-warp-row">
                        <el-scrollbar ref="selectorScrollbarRef">
                            <el-row :gutter="10" v-if="fontIconSheetsFilterList.length > 0">
                                <el-col :xs="6" :sm="4" :md="4" :lg="4" :xl="4" @click="onColClick(v)" v-for="(v, k) in fontIconSheetsFilterList" :key="k">
                                    <div class="icon-selector-warp-item" :class="{ 'icon-selector-active': fontIconPrefix === v }">
                                        <div class="flex-margin">
                                            <div class="icon-selector-warp-item-value">
                                                <SvgIcon :name="v" />
                                            </div>
                                        </div>
                                    </div>
                                </el-col>
                            </el-row>
                            <el-empty :image-size="100" v-if="fontIconSheetsFilterList.length <= 0" :description="emptyDescription"></el-empty>
                        </el-scrollbar>
                    </div>
                </div>
            </template>
        </el-popover>
    </div>
   <div class="icon-selector w100 h100">
      <el-popover
         placement="bottom"
         :width="fontIconWidth"
         trigger="click"
         transition="el-zoom-in-top"
         popper-class="icon-selector-popper"
         @show="onPopoverShow"
      >
         <template #reference>
            <el-input
               v-model="fontIconSearch"
               :placeholder="fontIconPlaceholder"
               :clearable="clearable"
               :disabled="disabled"
               :size="size"
               ref="inputWidthRef"
               @clear="onClearFontIcon"
               @focus="onIconFocus"
               @blur="onIconBlur"
            >
               <template #prepend>
                  <SvgIcon
                     :name="fontIconPrefix === '' ? prepend : fontIconPrefix"
                     class="font14"
                     v-if="fontIconPrefix === '' ? prepend?.indexOf('ele-') > -1 : fontIconPrefix?.indexOf('ele-') > -1"
                  />
                  <i v-else :class="fontIconPrefix === '' ? prepend : fontIconPrefix" class="font14"></i>
               </template>
            </el-input>
         </template>
         <template #default>
            <div class="icon-selector-warp">
               <div class="icon-selector-warp-title flex">
                  <div class="flex-auto">{{ title }}</div>
                  <div class="icon-selector-warp-title-tab" v-if="type === 'all'">
                     <span :class="{ 'span-active': fontIconType === 'ali' }" @click="onIconChange('ali')" class="ml10" title="iconfont 图标">ali</span>
                     <span :class="{ 'span-active': fontIconType === 'ele' }" @click="onIconChange('ele')" class="ml10" title="elementPlus 图标">ele</span>
                     <span :class="{ 'span-active': fontIconType === 'awe' }" @click="onIconChange('awe')" class="ml10" title="fontawesome 图标">awe</span>
                  </div>
               </div>
               <div class="icon-selector-warp-row">
                  <el-scrollbar ref="selectorScrollbarRef">
                     <el-row :gutter="10" v-if="fontIconSheetsFilterList.length > 0">
                        <el-col :xs="6" :sm="4" :md="4" :lg="4" :xl="4" @click="onColClick(v)" v-for="(v, k) in fontIconSheetsFilterList" :key="k">
                           <div class="icon-selector-warp-item" :class="{ 'icon-selector-active': fontIconPrefix === v }">
                              <div class="flex-margin">
                                 <div class="icon-selector-warp-item-value">
                                    <SvgIcon :name="v" />
                                 </div>
                              </div>
                           </div>
                        </el-col>
                     </el-row>
                     <el-empty :image-size="100" v-if="fontIconSheetsFilterList.length <= 0" :description="emptyDescription"></el-empty>
                  </el-scrollbar>
               </div>
            </div>
         </template>
      </el-popover>
   </div>
</template>

<script lang="ts">
@@ -46,186 +67,186 @@
import initIconfont from '/@/utils/getStyleSheets';

export default defineComponent({
    name: 'iconSelector',
    emits: ['update:modelValue', 'get', 'clear'],
    props: {
        // 输入框前置内容
        prepend: {
            type: String,
            default: () => 'ele-Pointer'
        },
        // 输入框占位文本
        placeholder: {
            type: String,
            default: () => '请输入内容搜索图标或者选择图标'
        },
        // 输入框占位文本
        size: {
            type: String,
            default: () => 'default'
        },
        // 弹窗标题
        title: {
            type: String,
            default: () => '请选择图标'
        },
        // icon 图标类型
        type: {
            type: String,
            default: () => 'ele'
        },
        // 禁用
        disabled: {
            type: Boolean,
            default: () => false
        },
        // 是否可清空
        clearable: {
            type: Boolean,
            default: () => true
        },
        // 自定义空状态描述文字
        emptyDescription: {
            type: String,
            default: () => '无相关图标'
        },
        // 双向绑定值，默认为 modelValue，
        // 参考：https://v3.cn.vuejs.org/guide/migration/v-model.html#%E8%BF%81%E7%A7%BB%E7%AD%96%E7%95%A5
        // 参考：https://v3.cn.vuejs.org/guide/component-custom-events.html#%E5%A4%9A%E4%B8%AA-v-model-%E7%BB%91%E5%AE%9A
        modelValue: String
    },
    setup(props, { emit }) {
        const inputWidthRef = ref();
        const selectorScrollbarRef = ref();
        const state = reactive({
            fontIconPrefix: '',
            fontIconWidth: 0,
            fontIconSearch: '',
            fontIconTabsIndex: 0,
            fontIconSheetsList: [],
            fontIconPlaceholder: '',
            fontIconType: 'ali',
            fontIconShow: true
        });
        // 处理 input 获取焦点时，modelValue 有值时，改变 input 的 placeholder 值
        const onIconFocus = () => {
            if (!props.modelValue) return false;
            state.fontIconSearch = '';
            state.fontIconPlaceholder = props.modelValue;
        };
        // 处理 input 失去焦点时，为空将清空 input 值，为点击选中图标时，将取原先值
        const onIconBlur = () => {
            setTimeout(() => {
                const icon = state.fontIconSheetsList.filter((icon: string) => icon === state.fontIconSearch);
                if (icon.length <= 0) state.fontIconSearch = '';
            }, 300);
        };
        // 处理 icon 双向绑定数值回显
        const initModeValueEcho = () => {
            if (props.modelValue === '') return ((<string | undefined>state.fontIconPlaceholder) = props.placeholder);
            (<string | undefined>state.fontIconPlaceholder) = props.modelValue;
            (<string | undefined>state.fontIconPrefix) = props.modelValue;
        };
        // 处理 icon type 类型为 all 时，类型 ali、ele、awe 回显问题
        const initFontIconTypeEcho = () => {
            if ((<any>props.modelValue)?.indexOf('iconfont') > -1) onIconChange('ali');
            else if ((<any>props.modelValue)?.indexOf('ele-') > -1) onIconChange('ele');
            else if ((<any>props.modelValue)?.indexOf('fa') > -1) onIconChange('awe');
            else onIconChange('ali');
        };
        // 图标搜索及图标数据显示
        const fontIconSheetsFilterList = computed(() => {
            if (!state.fontIconSearch) return state.fontIconSheetsList;
            let search = state.fontIconSearch.trim().toLowerCase();
            return state.fontIconSheetsList.filter((item: any) => {
                if (item.toLowerCase().indexOf(search) !== -1) return item;
            });
        });
        // 获取 input 的宽度
        const getInputWidth = () => {
            nextTick(() => {
                state.fontIconWidth = inputWidthRef.value.$el.offsetWidth;
            });
        };
        // 监听页面宽度改变
        const initResize = () => {
            window.addEventListener('resize', () => {
                getInputWidth();
            });
        };
        // 初始化数据
        const initFontIconData = async (type: string) => {
            state.fontIconSheetsList = [];
            if (type === 'ali') {
                await initIconfont.ali().then((res: any) => {
                    // 阿里字体图标使用 `iconfont xxx`
                    state.fontIconSheetsList = res.map((i: string) => `iconfont ${i}`);
                });
            } else if (type === 'ele') {
                await initIconfont.ele().then((res: any) => {
                    state.fontIconSheetsList = res;
                });
            } else if (type === 'awe') {
                await initIconfont.awe().then((res: any) => {
                    // fontawesome字体图标使用 `fa xxx`
                    state.fontIconSheetsList = res.map((i: string) => `fa ${i}`);
                });
            }
            // 初始化 input 的 placeholder
            // 参考（单项数据流）：https://cn.vuejs.org/v2/guide/components-props.html?#%E5%8D%95%E5%90%91%E6%95%B0%E6%8D%AE%E6%B5%81
            state.fontIconPlaceholder = props.placeholder;
            // 初始化双向绑定回显
            initModeValueEcho();
        };
        // 图标点击切换
        const onIconChange = (type: string) => {
            state.fontIconType = type;
            initFontIconData(type);
        };
        // 获取当前点击的 icon 图标
        const onColClick = (v: any) => {
            state.fontIconPlaceholder = v;
            state.fontIconPrefix = v;
            emit('get', state.fontIconPrefix);
            emit('update:modelValue', state.fontIconPrefix);
        };
        // 清空当前点击的 icon 图标
        const onClearFontIcon = () => {
            state.fontIconPrefix = '';
            emit('clear', state.fontIconPrefix);
            emit('update:modelValue', state.fontIconPrefix);
        };
        // 监听 Popover 打开，用于双向绑定值回显
        const onPopoverShow = () => {
            initModeValueEcho();
            initFontIconTypeEcho();
        };
        // 页面加载时
        onMounted(() => {
            initModeValueEcho();
            initResize();
            getInputWidth();
        });
   name: 'iconSelector',
   emits: ['update:modelValue', 'get', 'clear'],
   props: {
      // 输入框前置内容
      prepend: {
         type: String,
         default: () => 'ele-Pointer',
      },
      // 输入框占位文本
      placeholder: {
         type: String,
         default: () => '请输入内容搜索图标或者选择图标',
      },
      // 输入框占位文本
      size: {
         type: String,
         default: () => 'default',
      },
      // 弹窗标题
      title: {
         type: String,
         default: () => '请选择图标',
      },
      // icon 图标类型
      type: {
         type: String,
         default: () => 'ele',
      },
      // 禁用
      disabled: {
         type: Boolean,
         default: () => false,
      },
      // 是否可清空
      clearable: {
         type: Boolean,
         default: () => true,
      },
      // 自定义空状态描述文字
      emptyDescription: {
         type: String,
         default: () => '无相关图标',
      },
      // 双向绑定值，默认为 modelValue，
      // 参考：https://v3.cn.vuejs.org/guide/migration/v-model.html#%E8%BF%81%E7%A7%BB%E7%AD%96%E7%95%A5
      // 参考：https://v3.cn.vuejs.org/guide/component-custom-events.html#%E5%A4%9A%E4%B8%AA-v-model-%E7%BB%91%E5%AE%9A
      modelValue: String,
   },
   setup(props, { emit }) {
      const inputWidthRef = ref();
      const selectorScrollbarRef = ref();
      const state = reactive({
         fontIconPrefix: '',
         fontIconWidth: 0,
         fontIconSearch: '',
         fontIconTabsIndex: 0,
         fontIconSheetsList: [],
         fontIconPlaceholder: '',
         fontIconType: 'ali',
         fontIconShow: true,
      });
      // 处理 input 获取焦点时，modelValue 有值时，改变 input 的 placeholder 值
      const onIconFocus = () => {
         if (!props.modelValue) return false;
         state.fontIconSearch = '';
         state.fontIconPlaceholder = props.modelValue;
      };
      // 处理 input 失去焦点时，为空将清空 input 值，为点击选中图标时，将取原先值
      const onIconBlur = () => {
         setTimeout(() => {
            const icon = state.fontIconSheetsList.filter((icon: string) => icon === state.fontIconSearch);
            if (icon.length <= 0) state.fontIconSearch = '';
         }, 300);
      };
      // 处理 icon 双向绑定数值回显
      const initModeValueEcho = () => {
         if (props.modelValue === '') return ((<string | undefined>state.fontIconPlaceholder) = props.placeholder);
         (<string | undefined>state.fontIconPlaceholder) = props.modelValue;
         (<string | undefined>state.fontIconPrefix) = props.modelValue;
      };
      // 处理 icon type 类型为 all 时，类型 ali、ele、awe 回显问题
      const initFontIconTypeEcho = () => {
         if ((<any>props.modelValue)?.indexOf('iconfont') > -1) onIconChange('ali');
         else if ((<any>props.modelValue)?.indexOf('ele-') > -1) onIconChange('ele');
         else if ((<any>props.modelValue)?.indexOf('fa') > -1) onIconChange('awe');
         else onIconChange('ali');
      };
      // 图标搜索及图标数据显示
      const fontIconSheetsFilterList = computed(() => {
         if (!state.fontIconSearch) return state.fontIconSheetsList;
         let search = state.fontIconSearch.trim().toLowerCase();
         return state.fontIconSheetsList.filter((item: any) => {
            if (item.toLowerCase().indexOf(search) !== -1) return item;
         });
      });
      // 获取 input 的宽度
      const getInputWidth = () => {
         nextTick(() => {
            state.fontIconWidth = inputWidthRef.value.$el.offsetWidth;
         });
      };
      // 监听页面宽度改变
      const initResize = () => {
         window.addEventListener('resize', () => {
            getInputWidth();
         });
      };
      // 初始化数据
      const initFontIconData = async (type: string) => {
         state.fontIconSheetsList = [];
         if (type === 'ali') {
            await initIconfont.ali().then((res: any) => {
               // 阿里字体图标使用 `iconfont xxx`
               state.fontIconSheetsList = res.map((i: string) => `iconfont ${i}`);
            });
         } else if (type === 'ele') {
            await initIconfont.ele().then((res: any) => {
               state.fontIconSheetsList = res;
            });
         } else if (type === 'awe') {
            await initIconfont.awe().then((res: any) => {
               // fontawesome字体图标使用 `fa xxx`
               state.fontIconSheetsList = res.map((i: string) => `fa ${i}`);
            });
         }
         // 初始化 input 的 placeholder
         // 参考（单项数据流）：https://cn.vuejs.org/v2/guide/components-props.html?#%E5%8D%95%E5%90%91%E6%95%B0%E6%8D%AE%E6%B5%81
         state.fontIconPlaceholder = props.placeholder;
         // 初始化双向绑定回显
         initModeValueEcho();
      };
      // 图标点击切换
      const onIconChange = (type: string) => {
         state.fontIconType = type;
         initFontIconData(type);
      };
      // 获取当前点击的 icon 图标
      const onColClick = (v: any) => {
         state.fontIconPlaceholder = v;
         state.fontIconPrefix = v;
         emit('get', state.fontIconPrefix);
         emit('update:modelValue', state.fontIconPrefix);
      };
      // 清空当前点击的 icon 图标
      const onClearFontIcon = () => {
         state.fontIconPrefix = '';
         emit('clear', state.fontIconPrefix);
         emit('update:modelValue', state.fontIconPrefix);
      };
      // 监听 Popover 打开，用于双向绑定值回显
      const onPopoverShow = () => {
         initModeValueEcho();
         initFontIconTypeEcho();
      };
      // 页面加载时
      onMounted(() => {
         initModeValueEcho();
         initResize();
         getInputWidth();
      });

        // 监听双向绑定 modelValue 的变化
        watch(
            () => props.modelValue,
            () => {
                initModeValueEcho();
            }
        );
        return {
            inputWidthRef,
            selectorScrollbarRef,
            fontIconSheetsFilterList,
            onColClick,
            onIconChange,
            onClearFontIcon,
            onIconFocus,
            onIconBlur,
            onPopoverShow,
            ...toRefs(state)
        };
    }
      // 监听双向绑定 modelValue 的变化
      watch(
         () => props.modelValue,
         () => {
            initModeValueEcho();
         }
      );
      return {
         inputWidthRef,
         selectorScrollbarRef,
         fontIconSheetsFilterList,
         onColClick,
         onIconChange,
         onClearFontIcon,
         onIconFocus,
         onIconBlur,
         onPopoverShow,
         ...toRefs(state),
      };
   },
});
</script>