RuoYi-Cloud/ruoyi-ui/src/directive/dialog/dragWidth.js

31 lines
1.1 KiB
JavaScript

/**
* v-dialogDragWidth 可拖动弹窗宽度(右侧边)
* Copyright (c) 2019 ruoyi
*/
export default {
bind(el) {
const dragDom = el.querySelector('.el-dialog')
const lineEl = document.createElement('div')
lineEl.style = 'width: 5px; background: inherit; height: 80%; position: absolute; right: 0; top: 0; bottom: 0; margin: auto; z-index: 1; cursor: w-resize;'
lineEl.addEventListener('mousedown',
function (e) {
// 鼠标按下,计算当前元素距离可视区的距离
const disX = e.clientX - el.offsetLeft
// 当前宽度
const curWidth = dragDom.offsetWidth
document.onmousemove = function (e) {
e.preventDefault() // 移动时禁用默认事件
// 通过事件委托,计算移动的距离
const l = e.clientX - disX
dragDom.style.width = `${curWidth + l}px`
}
document.onmouseup = function (e) {
document.onmousemove = null
document.onmouseup = null
}
}, false)
dragDom.appendChild(lineEl)
}
}