124 lines
4.9 KiB
JavaScript
124 lines
4.9 KiB
JavaScript
export default {
|
|
bind(el, binding, vnode, oldVnode) {
|
|
let resizeEvent = new CustomEvent('drag-resize',{detail:'尺寸变化',bubbles:false});
|
|
//初始化不最大化
|
|
el.fullscreen = false;
|
|
//弹框可拉伸最小宽高
|
|
let minWidth = 400;
|
|
let minHeight = 300;
|
|
//当前宽高
|
|
let nowWidth = minWidth;
|
|
let nowHight = minHeight;
|
|
//当前顶部高度
|
|
let nowMarginTop = 0;
|
|
//获取弹框头部（这部分可双击全屏）
|
|
const dialogHeaderEl = el.querySelector('.el-dialog__header');
|
|
let hasSetBodyHight = false;
|
|
//弹窗
|
|
const dragDom = el.querySelector('.el-dialog');
|
|
dragDom.className += ' el-drag-dialog';
|
|
//清除选择头部文字效果
|
|
dialogHeaderEl.onselectstart = new Function("return false");
|
|
//头部加上可拖动cursor
|
|
dialogHeaderEl.style.cursor = 'move';
|
|
|
|
// 获取原有属性 ie dom元素.currentStyle 火狐谷歌 window.getComputedStyle(dom元素, null);
|
|
const sty = dragDom.currentStyle || window.getComputedStyle(dragDom, null);
|
|
|
|
//头部插入最大化最小化元素
|
|
let maxMin = document.createElement("button");
|
|
maxMin.className += ' el-dialog__headerbtn el-dialog__minmax';
|
|
maxMin.style.right = '40px';
|
|
maxMin.style.color = '#909399';
|
|
maxMin.title = el.fullscreen ? '还原' : '最大化';
|
|
maxMin.innerHTML = '<i class=' + (el.fullscreen ? '"el-icon-crop"' : '"el-icon-full-screen"') + ' onMouseOver="this.style.color=\'#409EFF\'" onMouseOut="this.style.color=\'inherit\'"></i>';
|
|
dialogHeaderEl.insertBefore(maxMin, dialogHeaderEl.childNodes[1]);
|
|
let moveDown = (e) => {
|
|
// 鼠标按下，计算当前元素距离可视区的距离
|
|
const disX = e.clientX - dialogHeaderEl.offsetLeft;
|
|
const disY = e.clientY - dialogHeaderEl.offsetTop;
|
|
|
|
// 获取到的值带px 正则匹配替换
|
|
let styL, styT;
|
|
|
|
// 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
|
|
if (sty.left.includes('%')) {
|
|
styL = +document.body.clientWidth * (+sty.left.replace(/\%/g, '') / 100);
|
|
styT = +document.body.clientHeight * (+sty.top.replace(/\%/g, '') / 100);
|
|
} else {
|
|
styL = +sty.left.replace(/\px/g, '');
|
|
styT = +sty.top.replace(/\px/g, '');
|
|
}
|
|
;
|
|
|
|
document.onmousemove = function (e) {
|
|
// 通过事件委托，计算移动的距离
|
|
const l = e.clientX - disX;
|
|
const t = e.clientY - disY;
|
|
|
|
// 移动当前元素
|
|
dragDom.style.left = `${l + styL}px`;
|
|
dragDom.style.top = `${t + styT}px`;
|
|
|
|
//将此时的位置传出去
|
|
//binding.value({x:e.pageX,y:e.pageY})
|
|
};
|
|
|
|
document.onmouseup = function (e) {
|
|
document.onmousemove = null;
|
|
document.onmouseup = null;
|
|
};
|
|
}
|
|
dialogHeaderEl.onmousedown = moveDown;
|
|
let bodyHeight = 'auto';
|
|
|
|
function setMaxMin() {
|
|
if (el.fullscreen) {
|
|
let i = maxMin.querySelector('.el-icon-crop');
|
|
i.classList.remove('el-icon-crop');
|
|
i.classList.add('el-icon-full-screen');
|
|
maxMin.innerHTML = '<i class="el-icon-full-screen"></i>';
|
|
maxMin.title = '最大化';
|
|
dragDom.style.height = "auto";
|
|
dragDom.style.width = nowWidth + 'px';
|
|
dragDom.style.marginTop = nowMarginTop;
|
|
el.fullscreen = false;
|
|
dialogHeaderEl.style.cursor = 'move';
|
|
dialogHeaderEl.onmousedown = moveDown;
|
|
dragDom.querySelector('.el-dialog__body').style.height = bodyHeight;
|
|
dragDom.querySelector('.el-dialog__body').style.maxHeight = dragDom.style.height
|
|
hasSetBodyHight = false;
|
|
} else {
|
|
let i = maxMin.querySelector('.el-icon-full-screen');
|
|
i.classList.remove('el-icon-full-screen');
|
|
i.classList.add('el-icon-crop');
|
|
maxMin.title = '还原';
|
|
bodyHeight = dragDom.querySelector('.el-dialog__body').offsetHeight + 'px';
|
|
nowHight = dragDom.clientHeight;
|
|
nowWidth = dragDom.clientWidth;
|
|
nowMarginTop = dragDom.style.marginTop;
|
|
dragDom.style.left = 0;
|
|
dragDom.style.top = 0;
|
|
dragDom.style.height = "94VH";
|
|
dragDom.style.width = "100VW";
|
|
dragDom.style.marginTop = 0;
|
|
el.fullscreen = true;
|
|
dialogHeaderEl.style.cursor = 'initial';
|
|
dialogHeaderEl.onmousedown = null;
|
|
if (!hasSetBodyHight) {
|
|
let footerHeight = dragDom.querySelector('.el-dialog__footer') && dragDom.querySelector('.el-dialog__footer').offsetHeight;
|
|
dragDom.querySelector('.el-dialog__body').style.height = 'calc(100% - ' + (dialogHeaderEl.offsetHeight + footerHeight) + 'px)';
|
|
dragDom.querySelector('.el-dialog__body').style.maxHeight = dragDom.style.height
|
|
hasSetBodyHight = true;
|
|
}
|
|
}
|
|
el.dispatchEvent(resizeEvent);
|
|
}
|
|
|
|
//点击放大缩小效果
|
|
maxMin.onclick = setMaxMin;
|
|
//双击头部效果
|
|
dialogHeaderEl.ondblclick = setMaxMin;
|
|
}
|
|
}
|