You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
113 lines
3.6 KiB
113 lines
3.6 KiB
|
|
import { Ref, unref } from 'vue';
|
|
import { watchDebounced } from '@vueuse/core';
|
|
|
|
interface ModalDragContext {
|
|
draggable: Ref<boolean>;
|
|
destroyOnClose: Ref<boolean | undefined> | undefined;
|
|
visible: Ref<boolean | undefined>;
|
|
}
|
|
|
|
export function useModalDrag(context: ModalDragContext) {
|
|
const getStyle = (dom: any, attr: any) => {
|
|
return getComputedStyle(dom)[attr];
|
|
};
|
|
const drag = (wrap: any) => {
|
|
if (!wrap) return;
|
|
wrap.setAttribute('data-drag', unref(context.draggable));
|
|
const dialogHeaderEl = wrap.querySelector('.ant-modal-header');
|
|
const dragDom = wrap.querySelector('.ant-modal');
|
|
|
|
if (!dialogHeaderEl || !dragDom || !unref(context.draggable)) return;
|
|
|
|
dialogHeaderEl.style.cursor = 'move';
|
|
|
|
dialogHeaderEl.onmousedown = (e: any) => {
|
|
if (!e) return;
|
|
// 鼠标按下，计算当前元素距离可视区的距离
|
|
const disX = e.clientX;
|
|
const disY = e.clientY;
|
|
const screenWidth = document.body.clientWidth; // body当前宽度
|
|
const screenHeight = document.documentElement.clientHeight; // 可见区域高度(应为body高度，可某些环境下无法获取)
|
|
|
|
const dragDomWidth = dragDom.offsetWidth; // 对话框宽度
|
|
const dragDomheight = dragDom.offsetHeight; // 对话框高度
|
|
|
|
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
|
|
const domLeft = getStyle(dragDom, 'left');
|
|
const domTop = getStyle(dragDom, 'top');
|
|
let styL = +domLeft;
|
|
let styT = +domTop;
|
|
|
|
// 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 (domLeft.includes('%')) {
|
|
styL = +document.body.clientWidth * (+domLeft.replace(/%/g, '') / 100);
|
|
styT = +document.body.clientHeight * (+domTop.replace(/%/g, '') / 100);
|
|
} else {
|
|
styL = +domLeft.replace(/px/g, '');
|
|
styT = +domTop.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;`;
|
|
};
|
|
|
|
document.onmouseup = () => {
|
|
document.onmousemove = null;
|
|
document.onmouseup = null;
|
|
};
|
|
};
|
|
};
|
|
const handleDrag = () => {
|
|
const dragWraps = document.querySelectorAll('.ant-modal-wrap');
|
|
for (const wrap of Array.from(dragWraps)) {
|
|
if (!wrap) continue;
|
|
const display = getStyle(wrap, 'display');
|
|
const draggable = wrap.getAttribute('data-drag');
|
|
console.log('display', display);
|
|
if (display !== 'none') {
|
|
// 拖拽位置
|
|
if (draggable === null || unref(context.destroyOnClose)) {
|
|
drag(wrap);
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
watchDebounced(
|
|
[() => context.draggable.value, () => context.visible.value],
|
|
() => {
|
|
if (!unref(context.visible) || !unref(context.draggable)) {
|
|
return;
|
|
}
|
|
handleDrag();
|
|
},
|
|
|
|
{
|
|
debounce: 30,
|
|
},
|
|
);
|
|
}
|
|
|