346 lines
7.1 KiB
Vue
346 lines
7.1 KiB
Vue
<template>
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<div class="demo">
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<div
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class="control"
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:class="{ active: item.id === activeId }"
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v-for="(item, index) in list"
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:key="item.id"
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@click="onSelect(item.id)"
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>
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<div>
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<b>{{ item.name }}</b>
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<button
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v-if="index !== 0"
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@click="onMove(item.id, list[index - 1].id)"
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>
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←
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</button>
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<button
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v-if="index !== list.length - 1"
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@click="onMove(item.id, list[index + 1].id)"
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>
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→
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</button>
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<button @click.stop="onDelete(item.id)">删除</button>
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</div>
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<div>
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<span>偏移X</span>
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<input type="number" v-model="item.location[0]" />
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</div>
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<div>
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<span>偏移Y</span>
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<input type="number" v-model="item.location[1]" />
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</div>
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<div>
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<span>角度</span>
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<input type="number" v-model="item.angle" />
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</div>
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<div>
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<span>缩放</span>
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<input type="number" v-model="item.scale[0]" />
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</div>
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<div>
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<span>水平间距</span>
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<input type="number" v-model="item.object.gapX" />
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</div>
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<div>
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<span>垂直间距</span>
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<input type="number" v-model="item.object.gapY" />
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</div>
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<hr />
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<hr />
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<div>
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<span>缩放X</span>
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<input type="number" v-model="item.object.scaleX" step="0.1" />
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</div>
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<div>
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<span>缩放Y</span>
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<input type="number" v-model="item.object.scaleY" step="0.1" />
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</div>
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<div>
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<span>X</span>
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<input type="number" v-model="item.object.left" />
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</div>
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<div>
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<span>Y</span>
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<input type="number" v-model="item.object.top" />
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</div>
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<div>
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<span>角度</span>
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<input type="number" v-model="item.object.angle" />
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</div>
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<div>
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<span>透明度</span>
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<input
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type="range"
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v-model="item.object.opacity"
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step="0.1"
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min="0"
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max="1"
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/>
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</div>
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</div>
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<button @click="onAdd">添加</button>
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<div class="box">
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<pingpu
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:list="list"
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ref="pingpuRef"
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@change-canvas="updateCanvas"
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/>
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</div>
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</div>
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</template>
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<script lang="ts" setup>
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import { ref, onMounted, watch } from "vue";
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import pingpu from "./index.vue";
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const ACTIONS = {
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ADD: "add",
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UPDATE: "update",
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DELETE: "delete",
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SELECT: "select",
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SORT: "sort",
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};
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const convertDotNotationToBracket = (str) =>
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str.replace(/(?:^|\.)(\d+)(?=\.|$)/g, "[#$1]").replace(/\[#/g, "[");
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const activeId = ref("1");
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const list = ref([
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{
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id: "1",
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ifSingle: false,
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level2Type: "Pattern",
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designType: "Library",
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path: "/src/assets/images/canvas/yinhua1.jpg",
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location: [0, 0],
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scale: [1, 1],
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angle: 0,
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name: "Print1",
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priority: 1,
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object: {
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top: 0,
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left: 0,
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scaleX: 1,
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scaleY: 1,
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opacity: 1,
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angle: 0,
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flipX: false,
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flipY: false,
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blendMode: "multiply",
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gapX: 10,
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gapY: 20,
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},
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},
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{
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id: "2",
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ifSingle: false,
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level2Type: "Pattern",
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designType: "Library",
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path: "/src/assets/images/canvas/yinhua1.jpg",
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location: [0, 0],
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scale: [2, 2],
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angle: -45,
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name: "Print2",
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priority: 1,
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object: {
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top: 150,
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left: 250,
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scaleX: 0.5,
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scaleY: 0.5,
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opacity: 1,
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angle: 45,
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flipX: false,
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flipY: false,
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blendMode: "multiply",
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gapX: 0,
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gapY: 0,
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},
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},
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]);
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// 深拷贝
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const deepCopy = (obj) => JSON.parse(JSON.stringify(obj));
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const oldList = ref(deepCopy(list.value));
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const pingpuRef = ref(null);
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const updateCanvas = (arr) => {
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oldList.value = deepCopy(list.value);
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arr.forEach((item) => {
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list.value.forEach((v) => {
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if (item.action === ACTIONS.UPDATE) {
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if (v.id === item.id) {
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if (item.action === ACTIONS.UPDATE) {
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try {
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const key = item.key;
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const str = /^\[/.test(item.key)
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? "v" + key
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: "v." + key;
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eval(`${str} = item.value`);
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} catch (error) {
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console.error(error);
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}
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}
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}
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} else if (item.action === ACTIONS.SELECT) {
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activeId.value = item.id;
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}
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});
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});
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};
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const onSelect = (id) => {
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activeId.value = id;
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pingpuRef.value.updataList([
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{
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id: id,
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action: ACTIONS.SELECT,
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},
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]);
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};
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const onMove = (id, id2) => {
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const obj1 = list.value.find((v) => v.id === id);
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const obj2 = list.value.find((v) => v.id === id2);
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const index1 = list.value.indexOf(obj1);
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const index2 = list.value.indexOf(obj2);
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if (index1 < index2) {
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list.value.splice(index2, 0, list.value.splice(index1, 1)[0]);
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} else {
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list.value.splice(index1, 0, list.value.splice(index2, 1)[0]);
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}
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const ids = list.value.map((v) => v.id);
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pingpuRef.value.updataList([
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{
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action: ACTIONS.SORT,
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ids,
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},
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]);
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};
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const onDelete = (id) => {
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list.value = list.value.filter((v) => v.id !== id);
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pingpuRef.value.updataList([
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{
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id: id,
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action: ACTIONS.DELETE,
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},
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]);
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};
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const onAdd = () => {
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const obj = {
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id: Date.now().toString(),
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ifSingle: false,
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level2Type: "Pattern",
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designType: "Library",
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path: "/src/assets/images/canvas/yinhua1.jpg",
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location: [0, 0],
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scale: [1, 1],
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angle: 0,
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name: "Print" + (list.value.length + 1),
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priority: 1,
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object: {
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top: 0,
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left: 0,
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scaleX: 1,
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scaleY: 1,
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opacity: 1,
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angle: 0,
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flipX: false,
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flipY: false,
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blendMode: "multiply",
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gapX: 10,
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gapY: 20,
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},
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};
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list.value.push(obj);
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pingpuRef.value.updataList([
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{
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action: ACTIONS.ADD,
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data: obj,
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},
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]);
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};
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watch(
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() => list.value,
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() => updateList(),
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{ deep: true }
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);
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// 监听列表变化属性变更
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const updateList = () => {
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const changeList = [];
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oldList.value.forEach((oldItem) => {
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const newItem = list.value.find((v) => v.id === oldItem.id);
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if (newItem) {
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const arr = findDiffProps(oldItem, newItem);
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arr.forEach((item) => {
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changeList.push({
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...item,
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id: oldItem.id,
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action: ACTIONS.UPDATE,
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key: convertDotNotationToBracket(item.key),
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});
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});
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} else {
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changeList.push({
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id: oldItem.id,
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action: ACTIONS.DELETE,
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});
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}
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});
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oldList.value = deepCopy(list.value);
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if (changeList.length) {
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pingpuRef.value.updataList(changeList);
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}
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};
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// 递归查找不同的属性
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const findDiffProps = (obj1, obj2, diffProps = [], path = "") => {
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for (const key in obj1) {
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if (typeof obj1[key] === "object") {
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findDiffProps(obj1[key], obj2[key], diffProps, `${path}${key}.`);
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} else if (obj1[key] !== obj2[key]) {
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diffProps.push({
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key: `${path}${key}`,
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value: obj2[key],
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});
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}
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}
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return diffProps;
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};
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</script>
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<style lang='less' scoped>
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.demo {
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> .control {
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display: inline-block;
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border: 1px solid #000;
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padding: 10px;
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margin: 10px;
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border-radius: 10px;
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&.active {
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border-color: rgb(17, 68, 223);
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box-shadow: 0 0 5px rgb(17, 68, 223);
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}
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> div {
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display: flex;
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align-items: center;
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margin-bottom: 5px;
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> * {
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margin-right: 10px;
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&:last-child {
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margin-right: 0;
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}
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}
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> span {
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width: 80px;
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}
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> input:not([type="range"]) {
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padding-left: 10px;
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border-radius: 5px;
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}
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}
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}
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> .box {
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width: 400px;
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height: 500px;
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overflow: hidden;
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border: 1px solid #000;
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}
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}
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</style> |