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+import Vue from 'vue';
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+
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+// v-dialog-drag-and-zoom: 弹窗拖拽+水平垂直对角线方向伸缩
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+Vue.directive('dialogDragAndZoom', {
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+ bind(el, binding, vnode, oldVnode) {
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+ //弹框可拉伸最小宽高
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+ let minWidth = 250;
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+ let minHeight = 200;
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+ //初始非全屏
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+ let isFullScreen = false;
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+ //当前宽高
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+ let nowWidth = 0;
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+ let nowHight = 0;
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+ //当前顶部高度
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+ let nowMarginTop = 0;
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+ //获取弹框头部(这部分可双击全屏)
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+ const dialogHeaderEl = el.querySelector('.el-dialog__header');
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+ //弹窗
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+ const dragDom = el.querySelector('.el-dialog');
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+ //给弹窗加上overflow auto;不然缩小时框内的标签可能超出dialog;
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+ dragDom.style.overflow = "auto";
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+ //清除选择头部文字效果
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+ dialogHeaderEl.onselectstart = new Function("return false");
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+ //头部加上可拖动cursor
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+ dialogHeaderEl.style.cursor = 'move';
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+ // 获取原有属性 ie dom元素.currentStyle 火狐谷歌 window.getComputedStyle(dom元素, null);
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+ const sty = dragDom.currentStyle || window.getComputedStyle(dragDom, null);
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+ let moveDown = (e) => {
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+ // 鼠标按下,计算当前元素距离可视区的距离
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+ const disX = e.clientX - dialogHeaderEl.offsetLeft;
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+ const disY = e.clientY - dialogHeaderEl.offsetTop;
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+ // 获取到的值带px 正则匹配替换
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+ let styL, styT;
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+ // 注意在ie中 第一次获取到的值为组件自带50% 移动之后赋值为px
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+ if (sty.left.includes('%')) {
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+ styL = +document.body.clientWidth * (+sty.left.replace(/%/g, '') / 100);
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+ styT = +document.body.clientHeight * (+sty.top.replace(/%/g, '') / 100);
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+ } else {
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+ styL = +sty.left.replace(/px/g, '');
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+ styT = +sty.top.replace(/px/g, '');
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+ }
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+ const bodyWidth = document.body.clientWidth
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+ const bodyHeight = document.body.clientHeight // 获取屏幕高度
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+ document.onmousemove = function (e) {
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+ // 通过事件委托,计算移动的距离
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+ const l = e.clientX - disX;
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+ const t = e.clientY - disY;
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+ // console.log("鼠标移动到的位置",e.clientX, e.clientY)
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+
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+ // 限制不让拖出屏幕 *****
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+ if (e.clientY < 20 || e.clientY > bodyHeight - 100) {
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+ return
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+ }
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+ if (e.clientX < 100 || e.clientX > bodyWidth - 100) {
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+ return
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+ }
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+
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+ // 移动当前元素
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+ dragDom.style.left = `${l + styL}px`;
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+ dragDom.style.top = `${t + styT}px`;
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+ //将此时的位置传出去
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+ //binding.value({x:e.pageX,y:e.pageY})
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+ }
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+ document.onmouseup = function (e) {
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+ document.onmousemove = null;
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+ document.onmouseup = null;
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+ };
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+ }
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+ dialogHeaderEl.onmousedown = moveDown;
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+
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+ // 底部可以拖动 start
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+ const dialogFooterEl = el.querySelector('.el-dialog__footer');
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+ let moveDownFoot = (e) => {
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+ // 鼠标按下,计算当前元素距离可视区的距离
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+ const disX = e.clientX - dialogFooterEl.offsetLeft;
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+ const disY = e.clientY - dialogFooterEl.offsetTop;
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+
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+ let height = document.getElementsByClassName("summaryDialog")[0].getElementsByClassName('el-dialog')[0].offsetHeight
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+ // console.log("99999小结height",height)
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+ const height2 = height - 56
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+
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+ // 获取到的值带px 正则匹配替换
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+ let styL, styT;
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+ // 注意在ie中 第一次获取到的值为组件自带50% 移动之后赋值为px
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+ if (sty.left.includes('%')) {
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+ styL = +document.body.clientWidth * (+sty.left.replace(/%/g, '') / 100);
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+ styT = +document.body.clientHeight * (+sty.top.replace(/%/g, '') / 100);
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+ } else {
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+ styL = +sty.left.replace(/px/g, '');
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+ styT = +sty.top.replace(/px/g, '');
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+ }
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+ const bodyWidth = document.body.clientWidth
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+ const bodyHeight = document.body.clientHeight // 获取屏幕高度
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+ document.onmousemove = function (e) {
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+ // 通过事件委托,计算移动的距离
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+ const l = e.clientX - disX;
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+ const t = e.clientY - disY;
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+
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+ // 限制不让拖出屏幕 *****
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+ if (e.clientY < 100 || e.clientY > bodyHeight - 20) {
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+ return
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+ }
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+ if (e.clientX < 100 || e.clientX > bodyWidth - 100) {
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+ return
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+ }
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+
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+ // 移动当前元素
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+ dragDom.style.left = `${l + styL}px`;
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+ dragDom.style.top = `${t + styT - height2}px`;
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+ //将此时的位置传出去
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+ //binding.value({x:e.pageX,y:e.pageY})
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+ }
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+ document.onmouseup = function (e) {
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+ document.onmousemove = null;
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+ document.onmouseup = null;
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+ };
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+ }
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+ // dialogFooterEl.style.cursor = 'move';
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+ // dialogFooterEl.onmousedown = moveDownFoot;
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+ // 底部可以拖动 end
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+
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+
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+ //双击头部效果
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+ dialogHeaderEl.ondblclick = (e) => {
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+ if (isFullScreen == false) {
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+ nowHight = dragDom.clientHeight;
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+ nowWidth = dragDom.clientWidth;
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+ nowMarginTop = dragDom.style.marginTop;
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+ dragDom.style.left = 0;
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+ dragDom.style.top = 0;
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+ dragDom.style.height = "100VH";
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+ dragDom.style.width = "100VW";
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+ dragDom.style.marginTop = 0;
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+ isFullScreen = true;
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+ dialogHeaderEl.style.cursor = 'initial';
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+ dialogHeaderEl.onmousedown = null;
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+ } else {
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+ dragDom.style.height = "auto";
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+ dragDom.style.width = nowWidth + 'px';
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+ dragDom.style.marginTop = nowMarginTop;
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+ isFullScreen = false;
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+ dialogHeaderEl.style.cursor = 'move';
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+ dialogHeaderEl.onmousedown = moveDown;
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+ }
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+ }
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+
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+ //拉伸(右下方)
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+ let resizeEl = document.createElement("div");
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+ dragDom.appendChild(resizeEl);
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+ //在弹窗右下角加上一个10-10px的控制块
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+ resizeEl.style.cursor = 'se-resize';
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+ resizeEl.style.position = 'absolute';
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+ resizeEl.style.height = '10px';
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+ resizeEl.style.width = '10px';
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+ resizeEl.style.right = '0px';
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+ resizeEl.style.bottom = '0px';
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+ resizeEl.style.zIndex = '99';
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+ //鼠标拉伸弹窗
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+ resizeEl.onmousedown = (e) => {
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+ // 记录初始x位置
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+ let clientX = e.clientX;
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+ // 鼠标按下,计算当前元素距离可视区的距离
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+ let disX = e.clientX - resizeEl.offsetLeft;
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+ let disY = e.clientY - resizeEl.offsetTop;
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+ document.onmousemove = function (e) {
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+ e.preventDefault(); // 移动时禁用默认事件
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+
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+ // 通过事件委托,计算移动的距离
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+ let x = e.clientX - disX + (e.clientX - clientX);//这里 由于elementUI的dialog控制居中的,所以水平拉伸效果是双倍
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+ let y = e.clientY - disY;
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+ //比较是否小于最小宽高
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+ dragDom.style.width = x > minWidth ? `${x}px` : minWidth + 'px';
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+ dragDom.style.height = y > minHeight ? `${y}px` : minHeight + 'px';
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+ };
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+ //拉伸结束
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+ document.onmouseup = function (e) {
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+ document.onmousemove = null;
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+ document.onmouseup = null;
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+ };
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+ }
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+
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+ //拉伸(左下方)
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+ let resizeElLeft = document.createElement("div");
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+ dragDom.appendChild(resizeElLeft);
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+ //在弹窗右下角加上一个10-10px的控制块
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+ resizeElLeft.style.cursor = 'sw-resize';
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+ resizeElLeft.style.position = 'absolute';
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+ resizeElLeft.style.height = '10px';
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+ resizeElLeft.style.width = '10px';
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+ resizeElLeft.style.left = '0px';
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+ resizeElLeft.style.bottom = '0px';
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+ resizeElLeft.style.zIndex = '99';
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+ //鼠标拉伸弹窗
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+ resizeElLeft.onmousedown = (e) => {
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+ // 记录初始x位置
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+ let clientX = e.clientX;
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+ // 鼠标按下,计算当前元素距离可视区的距离
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+
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+ let disX = dragDom.clientWidth; // 鼠标按下 记录元素的宽
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+
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+ let disY = e.clientY - resizeElLeft.offsetTop;
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+ document.onmousemove = function (e) {
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+ e.preventDefault(); // 移动时禁用默认事件
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+
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+ // 通过事件委托,计算移动的距离
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+ let x = disX + (clientX - e.clientX) * 2;//这里 由于elementUI的dialog控制居中的,所以水平拉伸效果是双倍
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+ let y = e.clientY - disY;
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+ //比较是否小于最小宽高
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+ dragDom.style.width = x > minWidth ? `${x}px` : minWidth + 'px';
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+ dragDom.style.height = y > minHeight ? `${y}px` : minHeight + 'px';
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+ };
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+ //拉伸结束
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+ document.onmouseup = function (e) {
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+ document.onmousemove = null;
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+ document.onmouseup = null;
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+ };
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+ }
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+
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+ //拉伸(右边)
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+ let resizeElR = document.createElement("div");
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+ dragDom.appendChild(resizeElR);
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+ //在弹窗右下角加上一个10-10px的控制块
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+ resizeElR.style.cursor = 'w-resize';
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+ resizeElR.style.position = 'absolute';
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+ resizeElR.style.height = '100%';
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+ resizeElR.style.width = '10px';
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+ resizeElR.style.right = '0px';
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+ resizeElR.style.top = '0px';
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+ //鼠标拉伸弹窗
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+ resizeElR.onmousedown = (e) => {
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+ let elW = dragDom.clientWidth;
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+ let EloffsetLeft = dragDom.offsetLeft;
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+ // 记录初始x位置
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+ let clientX = e.clientX;
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+ document.onmousemove = function (e) {
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+ e.preventDefault(); // 移动时禁用默认事件
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+ //右侧鼠标拖拽位置
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+ if (clientX > EloffsetLeft + elW - 10 && clientX < EloffsetLeft + elW) {
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+ //往左拖拽
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+ if (clientX > e.clientX) {
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+ if (dragDom.clientWidth < minWidth) {
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+ console.log(111)
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+ } else {
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+ dragDom.style.width = elW - (clientX - e.clientX) * 2 + 'px';
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+ }
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+ }
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+ //往右拖拽
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+ if (clientX < e.clientX) {
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+ dragDom.style.width = elW + (e.clientX - clientX) * 2 + 'px';
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+ }
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+ }
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+
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+ };
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+ //拉伸结束
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+ document.onmouseup = function (e) {
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+ document.onmousemove = null;
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+ document.onmouseup = null;
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+ };
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+ }
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+
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+ //拉伸(左边)
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+ let resizeElL = document.createElement("div");
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+ dragDom.appendChild(resizeElL);
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+ //在弹窗右下角加上一个10-10px的控制块
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+ resizeElL.style.cursor = 'w-resize';
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+ resizeElL.style.position = 'absolute';
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+ resizeElL.style.height = '100%';
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+ resizeElL.style.width = '10px';
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+ resizeElL.style.left = '0px';
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+ resizeElL.style.top = '0px';
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+ //鼠标拉伸弹窗
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+ resizeElL.onmousedown = (e) => {
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+ let elW = dragDom.clientWidth;
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+ let EloffsetLeft = dragDom.offsetLeft;
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+ // 记录初始x位置
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+ let clientX = e.clientX;
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+ document.onmousemove = function (e) {
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+ e.preventDefault(); // 移动时禁用默认事件
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+ //左侧鼠标拖拽位置
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+ if (clientX > EloffsetLeft && clientX < EloffsetLeft + 10) {
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+ //往左拖拽
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+ if (clientX > e.clientX) {
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+ dragDom.style.width = elW + (clientX - e.clientX) * 2 + 'px';
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+ }
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+ //往右拖拽
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+ if (clientX < e.clientX) {
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+ if (dragDom.clientWidth < minWidth) {
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+ console.log(222)
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+ } else {
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+ dragDom.style.width = elW - (e.clientX - clientX) * 2 + 'px';
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+
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+ }
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+ }
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+ }
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+
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+ };
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+ //拉伸结束
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+ document.onmouseup = function (e) {
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+ document.onmousemove = null;
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+ document.onmouseup = null;
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+ };
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+ }
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+
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+ // 拉伸(下边)
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+ let resizeElB = document.createElement("div");
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+ dragDom.appendChild(resizeElB);
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+ //在弹窗右下角加上一个10-10px的控制块
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+ resizeElB.style.cursor = 'n-resize';
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+ resizeElB.style.position = 'absolute';
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+ resizeElB.style.height = '10px';
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+ resizeElB.style.width = '100%';
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+ resizeElB.style.left = '0px';
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+ resizeElB.style.bottom = '0px';
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+ //鼠标拉伸弹窗
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+ resizeElB.onmousedown = (e) => {
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+ let EloffsetTop = dragDom.offsetTop;
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+ let ELscrollTop = el.scrollTop;
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+ let clientY = e.clientY;
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+ let elH = dragDom.clientHeight;
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+ document.onmousemove = function (e) {
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+ e.preventDefault(); // 移动时禁用默认事件
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+ //底部鼠标拖拽位置
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+ if (ELscrollTop + clientY > EloffsetTop + elH - 20 && ELscrollTop + clientY < EloffsetTop + elH) {
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+ //往上拖拽
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+ if (clientY > e.clientY) {
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+ if (dragDom.clientHeight < minHeight) {
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+ console.log(333)
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+ } else {
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+ dragDom.style.height = elH - (clientY - e.clientY) * 2 + 'px';
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+ }
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+ }
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+ //往下拖拽
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+ if (clientY < e.clientY) {
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+ dragDom.style.height = elH + (e.clientY - clientY) * 2 + 'px';
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+ }
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+ }
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+ };
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+ //拉伸结束
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+ document.onmouseup = function (e) {
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+ document.onmousemove = null;
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+ document.onmouseup = null;
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+ };
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+ }
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+ }
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+});
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+
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+// v-dialogDrag: 弹窗拖拽
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+Vue.directive('dialogDrag', {
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+ bind: function (el, binding, vnode) {
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+ const dialogHeaderEl = el.querySelector('.el-dialog__header')
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+ const dragDom = el.querySelector('.el-dialog')
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+ dialogHeaderEl.style.cssText += ';cursor:move;'
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+ dragDom.style.cssText += ';top:0px;'
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+
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+ // 获取原有属性 ie dom元素.currentStyle 火狐谷歌 window.getComputedStyle(dom元素, null);
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+ const getStyle = (function () {
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|
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+ if (window.document.currentStyle) {
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+ return (dom, attr) => dom.currentStyle[attr]
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+ } else {
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+ return (dom, attr) => getComputedStyle(dom, false)[attr]
|
|
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+ }
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+ })()
|
|
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+
|
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+ dialogHeaderEl.onmousedown = (e) => {
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|
|
+ // 鼠标按下,计算当前元素距离可视区的距离
|
|
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+ const disX = e.clientX - dialogHeaderEl.offsetLeft
|
|
|
+ const disY = e.clientY - dialogHeaderEl.offsetTop
|
|
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+
|
|
|
+ const dragDomWidth = dragDom.offsetWidth
|
|
|
+ const dragDomheight = dragDom.offsetHeight
|
|
|
+
|
|
|
+ const screenWidth = document.body.clientWidth
|
|
|
+ const screenHeight = document.body.clientHeight
|
|
|
+
|
|
|
+ const minDragDomLeft = dragDom.offsetLeft
|
|
|
+ const maxDragDomLeft = screenWidth - dragDom.offsetLeft - dragDomWidth
|
|
|
+
|
|
|
+ const minDragDomTop = dragDom.offsetTop
|
|
|
+ const maxDragDomTop = screenHeight - dragDom.offsetTop - dragDomheight
|
|
|
+
|
|
|
+ // 获取到的值带px 正则匹配替换
|
|
|
+ let styL = getStyle(dragDom, 'left')
|
|
|
+ let styT = getStyle(dragDom, 'top')
|
|
|
+
|
|
|
+ if (styL.includes('%')) {
|
|
|
+ styL = +document.body.clientWidth * (+styL.replace(/%/g, '') / 100)
|
|
|
+ styT = +document.body.clientHeight * (+styT.replace(/%/g, '') / 100)
|
|
|
+ } else {
|
|
|
+ styL = +styL.replace(/\px/g, '')
|
|
|
+ styT = +styT.replace(/\px/g, '')
|
|
|
+ }
|
|
|
+
|
|
|
+ document.onmousemove = function (e) {
|
|
|
+ // 通过事件委托,计算移动的距离
|
|
|
+ let left = e.clientX - disX
|
|
|
+ let top = e.clientY - disY
|
|
|
+
|
|
|
+ // 边界处理
|
|
|
+ if (-(left) > minDragDomLeft) {
|
|
|
+ left = -minDragDomLeft
|
|
|
+ } else if (left > maxDragDomLeft) {
|
|
|
+ left = maxDragDomLeft
|
|
|
+ }
|
|
|
+
|
|
|
+ if (-(top) > minDragDomTop) {
|
|
|
+ top = -minDragDomTop
|
|
|
+ } else if (top > maxDragDomTop) {
|
|
|
+ top = maxDragDomTop
|
|
|
+ }
|
|
|
+
|
|
|
+ // 移动当前元素
|
|
|
+ dragDom.style.cssText += `;left:${left + styL}px;top:${top + styT}px;`
|
|
|
+
|
|
|
+ // emit onDrag event
|
|
|
+ vnode && vnode.child.$emit('dragDialog')
|
|
|
+ }
|
|
|
+
|
|
|
+ document.onmouseup = function () {
|
|
|
+ document.onmousemove = null
|
|
|
+ document.onmouseup = null
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+});
|