Signed-off-by: chy <chy@163.com>

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chy
2026-02-02 23:28:29 +08:00
commit 84bdfdb8bc
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<!--
* @Descripttion: 大屏报表设计器-主体页面
* @Author: Devli
* @Date: 2021-3-19 10:23:27
* @LastEditors: qianlishi
* @LastEditTime: 2023-03-17 17:38:44
-->
<template>
<div class="layout">
<div
v-if="toolIsShow"
class="layout-left"
:style="{ width: widthLeftForTools + 'px' }"
>
<el-tabs class="layout-left" type="border-card" :stretch="true">
<!-- 左侧组件栏-->
<el-tab-pane label="工具栏">
<span slot="label"><i class="el-icon-date icon"></i>工具栏</span>
<div class="chart-type">
<el-tabs class="type-left" tab-position="left">
<el-tab-pane
v-for="(item, index) in widgetTools"
:key="index"
:label="item.name"
>
<li
v-for="(it, idx) in item.list"
:key="idx"
draggable="true"
@dragstart="dragStart(it.code)"
@dragend="dragEnd()"
>
<div class="tools-item">
<span class="tools-item-icon">
<i class="iconfont" :class="it.icon"></i>
</span>
<span class="tools-item-text">{{ it.label }}</span>
</div>
</li>
</el-tab-pane>
</el-tabs>
</div>
</el-tab-pane>
<!-- 左侧图层-->
<el-tab-pane label="图层">
<draggable
v-model="layerWidget"
@update="datadragEnd"
:options="{ animation: 300 }"
>
<transition-group>
<div
v-for="(item, index) in layerWidget"
:key="'item' + index"
class="tools-item"
:class="widgetIndex == index ? 'is-active' : ''"
@click="layerClick($event,index)"
>
<span class="tools-item-icon">
<i class="iconfont" :class="item.icon"></i>
</span>
<span class="tools-item-text">{{ item.label }}</span>
</div>
</transition-group>
</draggable>
</el-tab-pane>
</el-tabs>
</div>
<div
class="layout-left-fold"
:style="{ width: widthLeftForToolsHideButton + 'px' }"
@click="toolIsShow = !toolIsShow"
>
<i class="el-icon-arrow-right"/>
</div>
<div
class="layout-middle"
:style="{ width: middleWidth + 'px', height: middleHeight + 'px' }"
>
<div class="top-button">
<span class="btn" @click="saveData">
<el-tooltip
class="item"
effect="dark"
content="保存"
placement="bottom"
>
<i class="iconfont iconsave"></i>
</el-tooltip>
</span>
<span class="btn" @click="viewScreen">
<el-tooltip
class="item"
effect="dark"
content="预览"
placement="bottom"
>
<i class="iconfont iconyulan"></i>
</el-tooltip>
</span>
<span class="btn" @click="handleUndo">
<el-tooltip
class="item"
effect="dark"
content="撤销"
placement="bottom"
>
<i class="iconfont iconundo"></i>
</el-tooltip>
</span>
<span class="btn" @click="handleRedo">
<el-tooltip
class="item"
effect="dark"
content="恢复"
placement="bottom"
>
<i class="iconfont iconhuifubeifen"></i>
</el-tooltip>
</span>
<span
:class="{
btn: true,
'btn-disable': currentSizeRangeIndex === 0,
}"
@click="setSize(0)"
>
<el-tooltip
class="item"
:disabled="currentSizeRangeIndex === 0"
effect="dark"
content="缩小"
placement="bottom"
>
<i class="el-icon-minus" style="font-size: 16px"/>
</el-tooltip>
</span>
<span
:class="{
btn: true,
'scale-num': true,
'btn-disable': currentSizeRangeIndex === defaultSize.index,
}"
@click="setSize(2)"
>
<el-tooltip
class="item"
:disabled="currentSizeRangeIndex === defaultSize.index"
effect="dark"
content="默认比例"
placement="bottom"
>
<span> {{ parseInt(scaleNum) }}% </span>
</el-tooltip>
</span>
<span
:class="{
btn: true,
'btn-disable': currentSizeRangeIndex === 8,
}"
@click="setSize(1)"
>
<el-tooltip
class="item"
:disabled="currentSizeRangeIndex === 8"
effect="dark"
content="放大"
placement="bottom"
>
<i class="el-icon-plus" style="font-size: 16px"/>
</el-tooltip>
</span>
<span class="btn" v-permission="'bigScreenManage:export'">
<el-tooltip
class="item"
effect="dark"
content="导入"
placement="bottom"
>
<el-upload
class="el-upload"
ref="upload"
:action="uploadUrl"
:headers="headers"
accept=".zip"
:on-success="handleUpload"
:show-file-list="false"
:limit="1"
>
<i class="iconfont icondaoru"></i>
</el-upload>
</el-tooltip>
</span>
<span class="btn border-left" v-permission="'bigScreenManage:import'">
<ul class="nav">
<li>
<i class="iconfont icondaochu"></i
><i class="el-icon-arrow-down"></i>
<ul>
<li>
<el-tooltip
class="item"
effect="dark"
content="适合当前系统"
placement="right"
>
<div @click="exportDashboard(1)">导出(包含数据集)</div>
</el-tooltip>
</li>
<li>
<el-tooltip
class="item"
effect="dark"
content="适合跨系统"
placement="right"
>
<div @click="exportDashboard(0)">导出(不包含数据集)</div>
</el-tooltip>
</li>
</ul>
</li>
</ul>
</span>
</div>
<!-- 中间操作内容 主体 -->
<div class="workbench-container" @mousedown="handleMouseDown">
<div
:style="{
width: (+bigscreenWidth + 18) * bigscreenScaleInWorkbench + 'px',
height: (+bigscreenHeight + 18) * bigscreenScaleInWorkbench + 'px',
}"
class="vue-ruler-tool-wrap"
>
<!-- 大屏设计页面的标尺插件 -->
<vue-ruler-tool
ref="vue-ruler-tool"
v-model="dashboard.presetLine"
class="vueRuler"
:step-length="50"
:parent="true"
:position="'relative'"
:is-scale-revise="true"
:visible.sync="dashboard.presetLineVisible"
:style="{
width: +bigscreenWidth + 18 + 'px',
height: +bigscreenHeight + 18 + 'px',
transform:
currentSizeRangeIndex === defaultSize.index
? workbenchTransform
: `scale(${sizeRange[currentSizeRangeIndex] / 100})`,
transformOrigin: '0 0',
}"
>
<div
id="workbench"
class="workbench"
:style="{
width: bigscreenWidth + 'px',
height: bigscreenHeight + 'px',
'background-color': dashboard.backgroundColor,
'background-image': 'url(' + dashboard.backgroundImage + ')',
'background-position': '0% 0%',
'background-size': '100% 100%',
'background-repeat': 'initial',
'background-attachment': 'initial',
'background-origin': 'initial',
'background-clip': 'initial',
}"
@click.self="setOptionsOnClickScreen"
@drop="widgetOnDragged($event)"
@dragover="dragOver($event)"
@mousedown.self="downEvent($event)"
@mouseup="upEvent($event)"
@mousemove="moveEvent($event)"
>
<div v-if="grade" class="bg-grid"></div>
<widget
ref="widgets"
v-for="(widget, index) in widgets"
:key="index"
v-model="widget.value"
:index="index"
:step="step"
:type="widget.type"
:bigscreen="{ bigscreenWidth, bigscreenHeight }"
@onActivated="setOptionsOnClickWidget"
@contextmenu.prevent.native="rightClick($event, index)"
@mousedown.prevent.native="widgetsClick($event, index)"
@mouseup.prevent.native="grade = false"
/>
</div>
</vue-ruler-tool>
</div>
</div>
</div>
<div class="layout-right" :style="{ width: widthLeftForOptions + 'px' }">
<el-tabs v-model="activeName" type="border-card" :stretch="true">
<el-tab-pane
v-if="
isNotNull(widgetOptions.setup) || isNotNull(widgetOptions.collapse)
"
name="first"
label="配置"
>
<dynamicForm
ref="formData"
:options="widgetOptions.setup"
:layer-widget="layerWidget"
:widget-index="widgetIndex"
:widget-params-config="widgetParamsConfig"
@onChanged="(val) => widgetValueChanged('setup', val)"
/>
</el-tab-pane>
<el-tab-pane
v-if="isNotNull(widgetOptions.data)"
name="second"
label="数据"
>
<dynamicForm
ref="formData"
:options="widgetOptions.data"
@onChanged="(val) => widgetValueChanged('data', val)"
/>
</el-tab-pane>
<el-tab-pane
v-if="isNotNull(widgetOptions.position)"
name="third"
label="坐标"
>
<dynamicForm
ref="formData"
:options="widgetOptions.position"
@onChanged="(val) => widgetValueChanged('position', val)"
/>
</el-tab-pane>
</el-tabs>
</div>
<content-menu
:visible.sync="visibleContentMenu"
:style-obj="styleObj"
@deletelayer="deletelayer"
@lockLayer="lockLayer"
@noLockLayer="noLockLayer"
@copylayer="copylayer"
@istopLayer="istopLayer"
@setlowLayer="setlowLayer"
@moveupLayer="moveupLayer"
@movedownLayer="movedownLayer"
@alignment="alignment($event)"
/>
</div>
</template>
<script>
import {widgetTools, getToolByCode} from "./tools/index";
import mixin from "@/utils/screenMixins";
import widget from "./widget/widget.vue";
import dynamicForm from "./components/dynamicForm.vue";
import draggable from "vuedraggable";
import VueRulerTool from "vue-ruler-tool"; // 大屏设计页面的标尺插件
import contentMenu from "./components/contentMenu";
export default {
name: "Login",
components: {
draggable,
VueRulerTool,
widget,
dynamicForm,
contentMenu,
},
mixins: [mixin],
data() {
return {
grade: false,
layerWidget: [],
widgetTools: widgetTools, // 左侧工具栏的组件图标将js变量加入到当前作用域
widthLeftForTools: 200, // 左侧工具栏宽度
widthLeftForToolsHideButton: 15, // 左侧工具栏折叠按钮宽度
widthLeftForOptions: 300, // 右侧属性配置区
widthPaddingTools: 18,
toolIsShow: true, // 左侧工具栏是否显示
bigscreenWidth: 1920, // 大屏设计的大小
bigscreenHeight: 1080,
dashboard: {},
// 大屏的标记
screenCode: "",
dragWidgetCode: "", //从工具栏拖拽的组件code
// 大屏画布中的组件
widgets: [], // 工作区中拖放的组件
// 当前激活组件
widgetIndex: 0,
// 当前激活组件右侧配置属性
widgetOptions: {
setup: [], // 配置
data: [], // 数据
position: [], // 坐标
},
flagWidgetClickStopPropagation: false, // 点击组件时阻止事件冒泡传递到画布click事件上
styleObj: {
left: 0,
top: 0,
},
visibleContentMenu: false,
activeName: "first",
scaleNum: 0, // 当前缩放百分比的值
sizeRange: [20, 40, 60, 80, 100, 150, 200, 300, 400], // 缩放百分比
currentSizeRangeIndex: -1, // 当前是哪个缩放比分比,
currentWidgetTotal: 0,
widgetParamsConfig: [], // 各组件动态数据集的参数配置情况
selectedWidgets: [], //多选组件集合
moveTimes: 0, //鼠标移动次数
selectFlag: false, //选择标识
kuangSelectFlag: false, //框选标识
downX: 0, //移动开始X坐标
downY: 0, //移动开始Y坐标
downX2: 0, //移动结束X坐标
downY2: 0, //移动结束Y坐标
rect : null, //框选矩形对象
openMulDrag: false, //批量拖拽开关
moveWidgets:{}, //记录移动的组件的起始left和top属性
};
},
computed: {
// 左侧折叠切换时,动态计算中间区的宽度
middleWidth() {
let widthLeftAndRight = 0;
if (this.toolIsShow) {
widthLeftAndRight += this.widthLeftForTools; // 左侧工具栏宽度
}
widthLeftAndRight += this.widthLeftForToolsHideButton; // 左侧工具栏折叠按钮宽度
widthLeftAndRight += this.widthLeftForOptions; // 右侧配置栏宽度
let middleWidth = this.bodyWidth - widthLeftAndRight;
return middleWidth;
},
middleHeight() {
return this.bodyHeight;
},
// 设计台按大屏的缩放比例
bigscreenScaleInWorkbench() {
let widthScale =
(this.middleWidth - this.widthPaddingTools) / this.bigscreenWidth;
let heightScale =
(this.middleHeight - this.widthPaddingTools) / this.bigscreenHeight;
return Math.min(widthScale, heightScale);
},
workbenchTransform() {
return `scale(${this.bigscreenScaleInWorkbench}, ${this.bigscreenScaleInWorkbench})`;
},
// 大屏在设计模式的大小
bigscreenWidthInWorkbench() {
return this.getPXUnderScale(this.bigscreenWidth) + this.widthPaddingTools;
},
bigscreenHeightInWorkbench() {
return (
this.getPXUnderScale(this.bigscreenHeight) + this.widthPaddingTools
);
},
},
watch: {
widgets: {
handler(val) {
this.getLayerData(val);
this.handlerdynamicDataParamsConfig(val);
//以下部分是记录历史
this.$nextTick(() => {
this.revoke.push(this.widgets);
});
},
deep: true,
},
},
mounted() {
this.widgets = [];
window.addEventListener("mouseup", () => {
this.grade = false;
});
this.$nextTick(() => {
this.initVueRulerTool(); // 初始化 修正插件样式
});
},
methods: {
// 获取图层数据
getLayerData(val) {
const layerWidgetArr = [];
for (let i = 0; i < val.length; i++) {
const obj = {};
const myItem = getToolByCode(val[i].type);
obj.icon = myItem.icon;
obj.code = myItem.code; // 组件类型code
obj.widgetId = val[i].value.widgetId || ""; // 唯一id
if (val[i].value.paramsKeys) {
obj.paramsKeys = val[i].value.paramsKeys;
}
const options = val[i].options["setup"];
options.forEach((el) => {
if (el.name == "layerName") {
obj.label = el.value;
}
});
layerWidgetArr.push(obj);
}
this.layerWidget = layerWidgetArr;
},
// 返回每个组件的动态数据集参数配置情况
handlerdynamicDataParamsConfig(val) {
this.widgetParamsConfig = val.map((item) => {
return item.value.data;
});
},
// 在缩放模式下的大小
getPXUnderScale(px) {
return this.bigscreenScaleInWorkbench * px;
},
dragStart(widgetCode) {
this.dragWidgetCode = widgetCode;
this.currentWidgetTotal = this.widgets.length; // 当前操作面板上有多少各组件
},
dragEnd() {
/**
* 40@remarks 新增组件到操作面板后右边的配置有更新但是当前选中的组件没更新导致配置错乱的bug;
* 由于拖动组件拖到非操作面板上是不会添加组件,还需判断是否添加组件到操作面板上;
*/
this.$nextTick(() => {
if (this.widgets.length === this.currentWidgetTotal + 1) {
// 确实新增了一个组件到操作面板上
console.log(
`新添加 '${
this.widgets[this.currentWidgetTotal].value.setup.layerName
}' 组件到操作面板`
);
const uuid = Number(Math.random().toString().substr(2)).toString(36);
this.widgets[this.currentWidgetTotal].value.widgetId = uuid;
this.layerWidget[this.currentWidgetTotal].widgetId = uuid;
this.widgets[this.currentWidgetTotal].value.widgetCode = this.dragWidgetCode;
const index = this.widgets.length - 1;
this.widgetIndex = index;
this.widgetsClickAndCtrl(index); // 选中当前新增的组件
this.grade = false; // 去除网格线
}
});
},
dragOver(evt) {
evt.preventDefault();
evt.stopPropagation();
evt.dataTransfer.dropEffect = "copy";
},
// 拖动一个组件放到工作区中去,在拖动结束时,放到工作区对应的坐标点上去
widgetOnDragged(evt) {
let widgetType = this.dragWidgetCode;
// 获取结束坐标和列名
let eventX = evt.clientX; // 结束在屏幕的x坐标
let eventY = evt.clientY; // 结束在屏幕的y坐标
let workbenchPosition = this.getDomTopLeftById("workbench");
let widgetTopInWorkbench = eventY - workbenchPosition.top;
let widgetLeftInWorkbench = eventX - workbenchPosition.left;
const targetScale =
this.currentSizeRangeIndex === this.defaultSize.index
? this.bigscreenScaleInWorkbench
: this.sizeRange[this.currentSizeRangeIndex] / 100;
const x = widgetLeftInWorkbench / targetScale;
const y = widgetTopInWorkbench / targetScale;
// 复制一个组件
let tool = getToolByCode(widgetType);
let widgetJson = {
type: widgetType,
value: {
setup: {},
data: {},
position: {
width: 0,
height: 0,
left: 0,
top: 0,
zIndex: 0,
},
},
options: tool.options,
};
// 处理默认值
const widgetJsonValue = this.getWidgetConfigValue(widgetJson);
widgetJsonValue.value.position.left =
x - widgetJsonValue.value.position.width / 2;
widgetJsonValue.value.position.top =
y - widgetJsonValue.value.position.height / 2;
// 将选中的复制组件,放到工作区中去
this.widgets.push(this.deepClone(widgetJsonValue));
// 激活新组件的配置属性
this.setOptionsOnClickWidget(this.widgets.length - 1);
},
getWidgetConfigValue(widgetJson) {
this.setWidgetConfigValue(
widgetJson.options.setup,
widgetJson.value.setup
);
this.setWidgetConfigValue(
widgetJson.options.position,
widgetJson.value.position
);
this.setWidgetConfigValue(widgetJson.options.data, widgetJson.value.data);
return widgetJson;
},
setWidgetConfigValue(config, configValue) {
// 循环遍历前非空判断
if (config) {
config.forEach((item) => {
if (this.isObjectFn(item)) {
configValue[item.name] = item.value;
}
if (this.isArrayFn(item)) {
item.forEach((itemChild) => {
itemChild.list.forEach((ev) => {
configValue[ev.name] = ev.value;
});
});
}
});
}
},
layerClick(event,index) {
this.widgetIndex = index;
this.widgetsClick(event,index);
},
// 如果是点击大屏设计器中的底层,加载大屏底层属性
setOptionsOnClickScreen() {
console.log("setOptionsOnClickScreen");
if(this.selectedWidgets.length > 0 && this.kuangSelectFlag){
//如果Ctrl多选过程中点击了大屏底层就清空 this.selectedWidgets
return;
}
this.selectFlag = false;
this.kuangSelectFlag = false;
this.selectedWidgets = [];
this.screenCode = "screen";
// 选中不同的组件 右侧都显示第一栏
this.activeName = "first";
this.widgetOptions = getToolByCode("screen")["options"];
},
// 如果是点击某个组件,获取该组件的配置项
setOptionsOnClickWidget(obj) {
this.screenCode = "";
if (typeof obj == "number") {
this.widgetOptions = this.deepClone(this.widgets[obj]["options"]);
return;
}
if (obj.index < 0 || obj.index >= this.widgets.length) {
return;
}
this.widgetIndex = obj.index;
this.widgets[obj.index].value.position = obj;
this.widgets[obj.index].options.position.forEach((el) => {
for (const key in obj) {
if (el.name == key) {
el.value = obj[key];
}
}
});
this.widgetOptions = this.deepClone(this.widgets[obj.index]["options"]);
},
widgetsClick(event,index) {
console.log("widgetsClick");
//判断是否按住了Ctrl按钮表示Ctrl多选
let _this = this;
let eventWidget = null;
if(event.currentTarget.__vue__ != null) { // //解决图层栏点击组件定位问题(批量移动改造导致的问题)
eventWidget = event.currentTarget.__vue__.$parent;//vue3已经弃用__vue__
}
if(eventWidget != null){
if(event.ctrlKey){ //Ctrl左键选中或者取消选中
if(this.selectedWidgets.includes(eventWidget)){
this.selectedWidgets = this.selectedWidgets.filter(w=> w!== eventWidget);
this.$refs.widgets.forEach(w=>{
if(eventWidget.value.widgetId === w.value.widgetId){
setTimeout(function (){
_this.$refs.widgets[index].$refs.draggable.setActive(false);
console.log("触发取消选中, eventWidget.value.widgetId = " + eventWidget.value.widgetId +", w.value.widgetId= "+ w.value.widgetId);
},200); //设置超时,防止效果被覆盖
}
})
return;
}
this.widgetsClickAndCtrl(event, index);
return;
}
if(this.selectedWidgets.includes(eventWidget)){ //右键点击菜单的时候 批量拖拽的时候
this.openMulDrag = true;
this.moveWidgets = {};
for (let i = 0; i < this.$refs.widgets.length; i++) {
let widget = {
left: this.$refs.widgets[i].value.position.left,
top: this.$refs.widgets[i].value.position.top
};
this.moveWidgets[this.$refs.widgets[i].value.widgetId] = widget;
}
this.calculateMousePosition(event, true);
return;
}
}
this.widgetsClickFocus(index);
},
widgetsClickFocus(index){
this.selectedWidgets = []; //单选的时候需要清空
this.selectedWidgets.push(this.$refs.widgets[index]); //确保第一个选中的组件添加到集合不需要按住Ctrl键
const draggableArr = this.$refs.widgets;
for (let i = 0; i < draggableArr.length; i++) {
if (i == index) {
this.$refs.widgets[i].$refs.draggable.setActive(true);
} else {
this.$refs.widgets[i].$refs.draggable.setActive(false);
}
}
this.setOptionsOnClickWidget(index);
this.grade = true;
},
//Ctrl鼠标点击事件
widgetsClickAndCtrl(event, index) {
const draggableArr = this.$refs.widgets;
for (let i = 0; i < draggableArr.length; i++) {
if (i === index && ! this.selectedWidgets.includes(this.$refs.widgets[i])) {
this.selectedWidgets.push(this.$refs.widgets[i]); //选中的添加到集合
}
}
},
handleMouseDown() {
const draggableArr = this.$refs.widgets;
for (let i = 0; i < draggableArr.length; i++) {
this.$refs.widgets[i].$refs.draggable.setActive(false);
}
},
// 将当前选中的组件,右侧属性值更新
widgetValueChanged(key, val) {
console.log("key", key);
console.log("val", val);
console.log(this.widgetOptions);
if (this.screenCode == "screen") {
let newSetup = [];
this.dashboard = this.deepClone(val);
console.log("asd", this.dashboard);
console.log(this.widgetOptions);
if (this.bigscreenWidth != this.dashboard.width) {
this.bigscreenWidth = this.dashboard.width;
}
if (this.bigscreenHeight != this.dashboard.height) {
this.bigscreenHeight = this.dashboard.height;
}
this.widgetOptions.setup.forEach((el) => {
if (el.name == "width") {
el.value = this.bigscreenWidth;
} else if (el.name == "height") {
el.value = this.bigscreenHeight;
} else if (this.dashboard.hasOwnProperty(el.name)) {
el["value"] = this.dashboard[el.name];
}
newSetup.push(el);
});
console.log(newSetup);
this.widgetOptions.setup = newSetup;
} else {
for (let i = 0; i < this.widgets.length; i++) {
if (this.widgetIndex == i) {
this.widgets[i].value[key] = this.deepClone(val);
this.setDefaultValue(this.widgets[i].options[key], val);
}
}
}
},
setDefaultValue(options, val) {
for (let i = 0; i < options.length; i++) {
if (this.isObjectFn(options[i])) {
for (const k in val) {
if (options[i].name == k) {
options[i].value = val[k];
}
}
} else if (this.isArrayFn(options[i])) {
for (let j = 0; j < options[i].length; j++) {
const list = options[i][j].list;
for (let z = 0; z < list.length; z++) {
for (const k in val) {
if (list[z].name == k) {
list[z].value = val[k];
}
}
}
}
}
}
},
datadragEnd(evt) {
evt.preventDefault();
this.widgets = this.swapArr(this.widgets, evt.oldIndex, evt.newIndex);
},
//计算鼠标坐标
calculateMousePosition(event, isStart){
let workbenchPosition = this.getDomTopLeftById("workbench");
let widgetTopInWorkbench = event.clientY - workbenchPosition.top;
let widgetLeftInWorkbench = event.clientX - workbenchPosition.left;
const targetScale =
this.currentSizeRangeIndex === this.defaultSize.index
? this.bigscreenScaleInWorkbench
: this.sizeRange[this.currentSizeRangeIndex] / 100;
const x = widgetLeftInWorkbench / targetScale;
const y = widgetTopInWorkbench / targetScale;
if(isStart){
this.downX = x;
this.downY = y;
}else{
this.downX2 = x;
this.downY2 = y;
}
},
//鼠标按下事件
downEvent(event){
console.log("downEvent")
this.moveTimes = 0;
this.selectedWidgets = [];
this.openMulDrag = false;
this.selectFlag = true;
this.kuangSelectFlag = false; //框选标志
//鼠标位置
this.calculateMousePosition(event, true)
if(this.rect != null){
document.getElementById("workbench").removeChild(this.rect);
this.rect = null;
}
},
//鼠标移动事件
moveEvent(event){
console.log("moveEvent");
//测试的时候发现每次点击组件再次点击大屏的时候偶尔会触发一次moveEvent,导致会生成rect所以加了移动次数moveTimes 变量控制一下,只有移动多次的情况下,才能说明是框选多选
if(this.selectFlag && this.selectedWidgets.length <= 1 && this.moveTimes >= 1){
if(this.rect === null){
//这里说明一下为啥不在downEvent方法中创建是因为
this.rect = document.createElement("div");
this.rect.style.cssText = "position:absolute; width:0px; height:0px; font-size:0px; margin:0px; border: 1px dashed #0099FF; background-color: #C3D5ED";
this.rect.id = "selectedDiv";
this.rect.style.left = this.downX +"px";
this.rect.style.top = this.downY+"px";
this.rect.style.left = this.downX;
this.rect.style.top = this.downY;
}
document.getElementById("workbench").appendChild(this.rect);
this.calculateMousePosition(event, false);
if(this.rect.style.display === "none"){
this.rect.style.display = "";
}
this.rect.style.left = Math.min(this.downX, this.downX2) + "px";
this.rect.style.top = Math.min(this.downY, this.downY2) + "px";
this.rect.style.width = Math.abs(this.downX - this.downX2) + "px";
this.rect.style.height = Math.abs(this.downY - this.downY2) + "px";
if(this.downX2 < this.downX && this.downY2 < this.downY){
this.rect.style.left = this.downX2;
this.rect.style.top = this.downY2;
}
if(this.downX2 > this.downX2 && this.downY2 < this.downY){
this.rect.style.left = this.downX;
this.rect.style.top = this.downY2;
}
if(this.downX2 < this.downX && this.downY2 > this.downY){
this.rect.style.left = this.downX2;
this.rect.style.top = this.downY;
}
if(this.downX2 > this.downX2 && this.downY2 > this.downY){
this.rect.style.left = this.downX;
this.rect.style.top = this.downY;
}
}
if (this.openMulDrag) {
this.mulWidgetMove(event);
}
this.moveTimes++;
},
//批量拖拽移动
mulWidgetMove(event){
let _this = this;
if(this.openMulDrag && this.selectedWidgets.length >= 2){
this.calculateMousePosition(event, false);
setTimeout(function (){
_this.selectedWidgets.forEach(sw=>{
for (let i = 0; i < _this.$refs.widgets.length; i++) {
if(sw.value.widgetId === _this.$refs.widgets[i].value.widgetId){
_this.$refs.widgets[i].value.position.left = _this.moveWidgets[_this.$refs.widgets[i].value.widgetId].left + (_this.downX2 - _this.downX);
_this.$refs.widgets[i].value.position.top = _this.moveWidgets[_this.$refs.widgets[i].value.widgetId].top + (_this.downY2 - _this.downY);
}
}
});
},50);
}
},
upEvent(event){
console.log("upEvent")
if(this.selectFlag && this.selectedWidgets.length === 0 && this.rect !== null){
this.calculateMousePosition(event, false);
//计算选择框内的组件
const draggableArr = this.$refs.widgets;
for (let i = 0; i < draggableArr.length; i++) {
//判断组件是否在选择框内
let widget = this.$refs.widgets[i];
if(this.intersection(widget)){
this.selectedWidgets.push(widget);
widget.$refs.draggable.setActive(true);
}
}
this.selectFlag = false;
this.kuangSelectFlag = true; //框选结束的时候
}
if(this.rect){
document.getElementById("workbench").removeChild(this.rect);
this.rect = null;
}
if(this.openMulDrag){
this.mulWidgetMove(event);
this.openMulDrag = false;
}
},
//判断矩形框与组件是否相交
intersection(widget){
return (
(widget.value.position.left - this.downX) * (widget.value.position.left - this.downX2) < 0 ||
(widget.value.position.left + widget.value.position.width - this.downX) * (widget.value.position.left + widget.value.position.width- this.downX2) < 0
)
&&
(
(widget.value.position.top - this.downY) * (widget.value.position.top - this.downY2) < 0 ||
(widget.value.position.top + widget.value.position.height - this.downY) * (widget.value.position.top + widget.value.position.height- this.downY2) < 0
);
}
},
};
</script>
<style lang="scss">
@import "@/assets/styles/screen.scss";
</style>