<template>
	<div
		:class="['widgets-home', customizing === 1 ? 'customizing' : '']"
		ref="main"
	>
		<div class="widgets-content">
			<div class="widgets-top">
				<div class="widgets-top-actions">
					<el-button
						v-if="customizing"
						icon="el-icon-check"
						round
						@click="save"
						>完成</el-button
					>
					<el-button
						v-if="customizing && !adding"
						type="primary"
						icon="el-icon-plus"
						round
						@click="custom"
					></el-button>
					<el-button
						v-if="!customizing"
						icon="el-icon-edit"
						round
						@click="layout"
					></el-button>
				</div>
			</div>
			<div class="widgets" ref="widgets">
				<div class="widgets-wrapper">
					<div v-if="nowCompsList.length <= 0" class="no-widgets">
						<el-empty
							image="img/no-widgets.svg"
							description="没有部件啦"
							:image-size="280"
						></el-empty>
					</div>
					<div>
						<grid-layout
							:layout="grid"
							:col-num="colNum"
							:row-height="30"
							:is-draggable="customizing"
							:is-resizable="customizing"
							:responsive="false"
						>
							<grid-item
								v-for="(item, index) in grid"
								:key="index"
								:static="item.static"
								:x="item.x"
								:y="item.y"
								:w="item.w"
								:h="item.h"
								:i="item.i"
							>
								<div class="widgets-item">
									<component
										:is="allComps[item.name]"
									></component>
									<div
										v-if="customizing"
										:class="[
											'customize-overlay',
											customizing ? 'layout-overlay' : '',
										]"
									>
										<el-button
											class="close"
											type="danger"
											v-if="customizing"
											icon="el-icon-close"
											size="small"
											@click="removeItem(item.i)"
										></el-button>
										<!-- <label v-if="customizing">{{item.w}}{{item.h}}<el-icon><component :is="allComps[item.name].icon" /></el-icon>{{ allComps[item.name].title }}</label> -->
									</div>
								</div>
							</grid-item>
						</grid-layout>
					</div>
				</div>
			</div>
		</div>
		<div v-if="adding" class="widgets-aside">
			<el-container>
				<el-header>
					<div class="widgets-aside-title">
						<el-icon><el-icon-circle-plus-filled /></el-icon
						>添加部件
					</div>
					<div class="widgets-aside-close" @click="close()">
						<el-icon><el-icon-close /></el-icon>
					</div>
				</el-header>
				<el-main class="nopadding">
					<div class="widgets-list">
						<div
							v-if="myCompsList.length <= 0"
							class="widgets-list-nodata"
						>
							<el-empty
								description="没有部件啦"
								:image-size="60"
							></el-empty>
						</div>
						<div
							v-for="item in myCompsList"
							:key="item.title"
							class="widgets-list-item"
						>
							<div class="item-logo">
								<el-icon><component :is="item.icon" /></el-icon>
							</div>
							<div class="item-info">
								<h2>{{ item.title }}</h2>
								<p>{{ item.description }}</p>
							</div>
							<div class="item-actions">
								<el-button
									type="primary"
									icon="el-icon-plus"
									size="small"
									@click="push(item)"
								></el-button>
							</div>
						</div>
					</div>
				</el-main>
				<el-footer style="height: 51px">
					<el-button
						size="small"
						type="default"
						@click="backDefault()"
						>恢复默认</el-button
					>
				</el-footer>
			</el-container>
		</div>
	</div>
</template>

<script>
import deskService from "@/api/sys/deskService";
import draggable from "vuedraggable/src/vuedraggable";
import allComps from "./components";
import { createApp } from "vue";
import VueGridLayout from "vue-grid-layout";
const app = createApp().use(VueGridLayout);
const GridLayout = app.component("grid-layout");
const GridItem = app.component("grid-item");
export default {
	components: {
		draggable,
		GridLayout,
		GridItem,
	},
	data() {
		return {
			customizing: false,
			adding: false,
			allComps: allComps,
			selectedComps: [],
			selectLayout: [],
			defaultGrid: [
				{
					x: 6,
					y: 9,
					w: 6,
					h: 15,
					i: 1,
					name: "MyNoticePageList",
					moved: false,
				},
				// { x: 0, y: 4, w: 12, h: 5, i: 2, name: "Myapp", moved: false },MyNoticePageList
				{ x: 8, y: 0, w: 4, h: 4, i: 4, name: "Time", moved: false },
				{
					x: 0,
					y: 0,
					w: 8,
					h: 4,
					i: 6,
					name: "Flowable",
					moved: false,
				},
				{
					x: 0,
					y: 9,
					w: 6,
					h: 15,
					i: 8,
					name: "TodoList",
					moved: false,
				},
				{
					x: 0,
					y: 9,
					w: 6,
					h: 15,
					i: 1,
					name: "MyNotifyList",
					moved: false,
				},
			],
			// grid: [],
			grid: [],
			draggable: true,
			resizable: true,
			responsive: true,
			colNum: 12,
			index: 0,
		};
	},
	created() {
		deskService.getGridInfo().then((data) => {
			if (data.grid) {
				this.grid = JSON.parse(data.grid);
			} else {
				// this.grid = this.$TOOL.data.get("grid") || JSON.parse(JSON.stringify(this.defaultGrid))
				this.grid = JSON.parse(JSON.stringify(this.defaultGrid));
			}
		});
	},
	mounted() {
		this.$emit("on-mounted");
		this.index = this.grid.length;
	},
	computed: {
		allCompsList() {
			var allCompsList = [];
			for (var key in this.allComps) {
				allCompsList.push({
					key: key,
					title: allComps[key].title,
					icon: allComps[key].icon,
					description: allComps[key].description,
					layout: allComps[key].layout,
				});
			}
			for (let comp of allCompsList) {
				const _item = this.grid.find((item) => {
					return item.name === comp.key;
				});
				if (_item) {
					comp.disabled = true;
				}
			}
			return allCompsList;
		},
		myCompsList() {
			return this.allCompsList.filter((item) => !item.disabled);
		},
		nowCompsList() {
			return this.grid;
		},
	},
	methods: {
		addItem: function (item) {
			// Add a new item. It must have a unique key!
			this.grid.push({
				x: (this.grid.length * 2) % (this.colNum || 12),
				y: this.grid.length + (this.colNum || 12), // puts it at the bottom
				w: item.layout.w,
				h: item.layout.h,
				i: this.index,
				name: item.key,
			});
			// Increment the counter to ensure key is always unique.
			this.index++;
		},
		removeItem: function (val) {
			const index = this.grid.map((item) => item.i).indexOf(val);
			this.grid.splice(index, 1);
		},
		//开启自定义
		custom() {
			this.adding = true;
		},
		layout() {
			this.customizing = true;
		},
		//追加
		push(item) {
			this.addItem(item);
		},
		//隐藏组件
		remove(item) {
			var newCopmsList = this.grid.copmsList;
			newCopmsList.forEach((obj, index) => {
				var newObj = obj.filter((o) => o != item);
				newCopmsList[index] = newObj;
			});
		},
		//保存
		save() {
			this.customizing = false;
			this.adding = false;
			this.$TOOL.data.set("grid", this.grid);
			deskService.save({ grid: JSON.stringify(this.grid) });
		},
		//恢复默认
		backDefault() {
			this.customizing = true;
			this.grid = JSON.parse(JSON.stringify(this.defaultGrid));
			deskService.save({ grid: JSON.stringify(this.defaultGrid) });
		},
		//关闭
		close() {
			this.adding = false;
		},
	},
};
</script>

<style scoped lang="scss">
.el-header {
	background: #fff;
	border-bottom: 1px solid var(--el-border-color-light);
	padding: 13px 15px;
	display: flex;
	justify-content: space-between;
	align-items: center;
}
.el-footer {
	background: #fff;
	border-top: 1px solid var(--el-border-color-light);
	padding: 13px 15px;
	height: 51px;
}
.el-main {
	flex-basis: 100%;
}
.widgets-top-actions {
	position: fixed;
	// right: 10px;
	// top: 200px;
	right: 30px;
	margin-top: -25px;
	z-index: 2;
}
.widgets-home {
	display: flex;
	flex-direction: row;
	flex: 1;
}
.widgets-content {
	flex: 1;
	overflow: auto;
	overflow-x: hidden;
	padding: 5px;
}
.widgets-aside {
	margin: -10px -10px -10px 0;
	width: 360px;
	background: #fff;
	box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
	position: relative;
	overflow: auto;
}
.widgets-aside-title {
	font-size: 14px;
	display: flex;
	align-items: center;
	justify-content: center;
}
.widgets-aside-title i {
	margin-right: 10px;
	font-size: 18px;
}
.widgets-aside-close {
	font-size: 18px;
	width: 30px;
	height: 30px;
	display: flex;
	align-items: center;
	justify-content: center;
	border-radius: 3px;
	cursor: pointer;
}
.widgets-aside-close:hover {
	background: rgba(180, 180, 180, 0.1);
}

.widgets-top {
	display: flex;
	justify-content: space-between;
	align-items: center;
}
.widgets-top-title {
	font-size: 18px;
	font-weight: bold;
}

.draggable-box {
	height: 100%;
}

.widgets-item {
	position: relative;
	height: 100%;
	// margin-bottom: 15px;
}
.customizing .widgets-wrapper {
	margin-right: -360px;
}
.customizing .widgets-wrapper .el-col {
	padding-bottom: 15px;
}
.customizing .widgets-wrapper .draggable-box {
	border: 1px dashed var(--el-color-primary);
	padding: 15px;
}
.customizing .widgets-wrapper .no-widgets {
	display: none;
}
// .customizing .widgets-item {position: relative;margin-bottom: 15px;}
.customize-overlay {
	position: absolute;
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
	z-index: 1;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	background: rgba(255, 255, 255, 0.9);
	cursor: move;
}
.customize-overlay label {
	background: var(--el-color-primary);
	color: #fff;
	height: 40px;
	padding: 0 30px;
	border-radius: 40px;
	font-size: 18px;
	display: flex;
	align-items: center;
	justify-content: center;
	cursor: move;
}
.customize-overlay label i {
	margin-right: 15px;
	font-size: 24px;
}
.customize-overlay .close {
	position: absolute;
	top: 15px;
	right: 15px;
}
// .customize-overlay .close:focus, .customize-overlay .close:hover {background: var(--el-button-hover-color);}
.layout-overlay {
	border: 2px dotted #2d8cf0;
	background: transparent !important;
}
.widgets-list {
}
.widgets-list-item {
	display: flex;
	flex-direction: row;
	padding: 15px;
	align-items: center;
}
.widgets-list-item .item-logo {
	width: 40px;
	height: 40px;
	border-radius: 50%;
	background: rgba(180, 180, 180, 0.1);
	display: flex;
	align-items: center;
	justify-content: center;
	font-size: 18px;
	margin-right: 15px;
	color: #6a8bad;
}
.widgets-list-item .item-info {
	flex: 1;
}
.widgets-list-item .item-info h2 {
	font-size: 16px;
	font-weight: normal;
	cursor: default;
}
.widgets-list-item .item-info p {
	font-size: 12px;
	color: #999;
	cursor: default;
}
.widgets-list-item:hover {
	background: rgba(180, 180, 180, 0.1);
}

.widgets-wrapper .sortable-ghost {
	opacity: 0.5;
}

.selectLayout {
	width: 100%;
	display: flex;
}
.selectLayout-item {
	width: 60px;
	height: 60px;
	border: 2px solid var(--el-border-color-light);
	padding: 5px;
	cursor: pointer;
	margin-right: 15px;
}
.selectLayout-item span {
	display: block;
	background: var(--el-border-color-light);
	height: 46px;
}
.selectLayout-item.item02 span {
	height: 30px;
}
.selectLayout-item.item02 .el-col:nth-child(1) span {
	height: 14px;
	margin-bottom: 2px;
}
.selectLayout-item.item03 span {
	height: 14px;
	margin-bottom: 2px;
}
.selectLayout-item:hover {
	border-color: var(--el-color-primary);
}
.selectLayout-item.active {
	border-color: var(--el-color-primary);
}
.selectLayout-item.active span {
	background: var(--el-color-primary);
}

.dark {
	.widgets-aside {
		background: #2b2b2b;
	}
	.customize-overlay {
		background: rgba(43, 43, 43, 0.9);
	}
}

@media (max-width: 992px) {
	.customizing .widgets-aside {
		width: 100%;
		position: absolute;
		top: 50%;
		right: 0;
		bottom: 0;
	}
	.customizing .widgets-wrapper {
		margin-right: 0;
	}
}

.layoutJSON {
	background: #ddd;
	border: 1px solid black;
	margin-top: 10px;
	padding: 10px;
}

.columns {
	-moz-columns: 120px;
	-webkit-columns: 120px;
	columns: 120px;
}

/*************************************/

.remove {
	position: absolute;
	right: 2px;
	top: 0;
	cursor: pointer;
}

.vue-grid-layout {
	// background: #eee;
	// min-height: 500px
}

.vue-grid-item:not(.vue-grid-placeholder) {
	// background: #ccc;
	// border: 1px solid black;
}

.vue-resizable-handle {
	z-index: 300;
}
.vue-grid-item .resizing {
	opacity: 0.9;
}

.vue-grid-item .static {
	background: #cce;
}

.vue-grid-item .text {
	font-size: 24px;
	text-align: center;
	position: absolute;
	top: 0;
	bottom: 0;
	left: 0;
	right: 0;
	margin: auto;
	height: 100%;
	width: 100%;
}

.vue-grid-item .no-drag {
	height: 100%;
	width: 100%;
}

.vue-grid-item .minMax {
	font-size: 12px;
}

.vue-grid-item .add {
	cursor: pointer;
}

.vue-draggable-handle {
	position: absolute;
	width: 20px;
	height: 20px;
	top: 0;
	left: 0;
	background: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='10' height='10'><circle cx='5' cy='5' r='5' fill='#999999'/></svg>")
		no-repeat;
	background-position: bottom right;
	padding: 0 8px 8px 0;
	background-repeat: no-repeat;
	background-origin: content-box;
	box-sizing: border-box;
	cursor: pointer;
}
</style>
