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<template>
<div ref="iconSelectRef" :style="{ width: props.width }">
<el-popover :visible="popoverVisible" :width="props.width" placement="bottom-end">
<template #reference>
<div @click="popoverVisible = !popoverVisible">
<slot>
<el-input v-model="selectedIcon" readonly placeholder="点击选择图标" class="reference">
<template #prepend>
<!-- 根据图标类型展示 -->
<el-icon v-if="isElementIcon">
<component :is="selectedIcon.replace('el-icon-', '')" />
</el-icon>
<template v-else>
<div :class="`i-svg:${selectedIcon}`" />
</template>
</template>
<template #suffix>
<!-- 清空按钮 -->
<el-icon
v-if="selectedIcon"
style="margin-right: 8px"
@click.stop="clearSelectedIcon"
>
<CircleClose />
</el-icon>
<el-icon
:style="{
transform: popoverVisible ? 'rotate(180deg)' : 'rotate(0)',
transition: 'transform .5s',
}"
>
<ArrowDown @click.stop="togglePopover" />
</el-icon>
</template>
</el-input>
</slot>
</div>
</template>
<!-- 图标选择弹窗 -->
<div ref="popoverContentRef">
<el-input v-model="filterText" placeholder="搜索图标" clearable @input="filterIcons" />
<el-tabs v-model="activeTab" @tab-click="handleTabClick">
<el-tab-pane label="SVG 图标" name="svg">
<el-scrollbar height="300px">
<ul class="icon-grid">
<li
v-for="icon in filteredSvgIcons"
:key="'svg-' + icon"
class="icon-grid-item"
@click="selectIcon(icon)"
>
<el-tooltip :content="icon" placement="bottom" effect="light">
<div :class="`i-svg:${icon}`" />
</el-tooltip>
</li>
</ul>
</el-scrollbar>
</el-tab-pane>
<el-tab-pane label="Element 图标" name="element">
<el-scrollbar height="300px">
<ul class="icon-grid">
<li
v-for="icon in filteredElementIcons"
:key="icon"
class="icon-grid-item"
@click="selectIcon(icon)"
>
<el-icon>
<component :is="icon" />
</el-icon>
</li>
</ul>
</el-scrollbar>
</el-tab-pane>
</el-tabs>
</div>
</el-popover>
</div>
</template>
<script setup lang="ts">
import * as ElementPlusIconsVue from "@element-plus/icons-vue";
const props = defineProps({
modelValue: {
type: String,
default: "",
},
width: {
type: String,
default: "500px",
},
});
const emit = defineEmits(["update:modelValue"]);
const iconSelectRef = ref();
const popoverContentRef = ref();
const popoverVisible = ref(false);
const activeTab = ref("svg");
const svgIcons = ref<string[]>([]);
const elementIcons = ref<string[]>(Object.keys(ElementPlusIconsVue));
const selectedIcon = defineModel("modelValue", {
type: String,
required: true,
default: "",
});
const filterText = ref("");
const filteredSvgIcons = ref<string[]>([]);
const filteredElementIcons = ref<string[]>(elementIcons.value);
const isElementIcon = computed(() => {
return selectedIcon.value && selectedIcon.value.startsWith("el-icon");
});
function loadIcons() {
const icons = import.meta.glob("../../assets/icons/*.svg");
for (const path in icons) {
const iconName = path.replace(/.*\/(.*)\.svg$/, "$1");
svgIcons.value.push(iconName);
}
filteredSvgIcons.value = svgIcons.value;
}
function handleTabClick(tabPane: any) {
activeTab.value = tabPane.props.name;
filterIcons();
}
function filterIcons() {
if (activeTab.value === "svg") {
filteredSvgIcons.value = filterText.value
? svgIcons.value.filter((icon) => icon.toLowerCase().includes(filterText.value.toLowerCase()))
: svgIcons.value;
} else {
filteredElementIcons.value = filterText.value
? elementIcons.value.filter((icon) =>
icon.toLowerCase().includes(filterText.value.toLowerCase())
)
: elementIcons.value;
}
}
function selectIcon(icon: string) {
const iconName = activeTab.value === "element" ? "el-icon-" + icon : icon;
emit("update:modelValue", iconName);
popoverVisible.value = false;
}
function togglePopover() {
popoverVisible.value = !popoverVisible.value;
}
onClickOutside(iconSelectRef, () => (popoverVisible.value = false), {
ignore: [popoverContentRef],
});
/**
* 清空已选图标
*/
function clearSelectedIcon() {
selectedIcon.value = "";
}
onMounted(() => {
loadIcons();
if (selectedIcon.value) {
if (elementIcons.value.includes(selectedIcon.value.replace("el-icon-", ""))) {
activeTab.value = "element";
} else {
activeTab.value = "svg";
}
}
});
</script>
<style scoped lang="scss">
.reference :deep(.el-input__wrapper),
.reference :deep(.el-input__inner) {
cursor: pointer;
}
.icon-grid {
display: flex;
flex-wrap: wrap;
}
.icon-grid-item {
display: flex;
align-items: center;
justify-content: center;
padding: 8px;
margin: 4px;
cursor: pointer;
border: 1px solid #dcdfe6;
border-radius: 4px;
transition: all 0.3s;
}
.icon-grid-item:hover {
border-color: #4080ff;
transform: scale(1.2);
}
</style>
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