47 lines
1.6 KiB
Plaintext
47 lines
1.6 KiB
Plaintext
import { ObjectDirective } from 'vue';
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import { nextTick } from 'vue';
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export const dragModal: ObjectDirective = {
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mounted(el, bindings, vnode) {
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nextTick(() => {
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const { visible, destroyOnClose } = vnode.componentInstance;
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// 防止未定义 destroyOnClose 关闭弹窗时dom未被销毁，指令被重复调用
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if (!visible) return;
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const modal = el.getElementsByClassName('ant-modal')[0];
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const header = el.getElementsByClassName('ant-modal-header')[0];
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let left = 0;
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let top = 0;
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// 未定义 destroyOnClose 时，dom未被销毁，关闭弹窗再次打开，弹窗会停留在上一次拖动的位置
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if (!destroyOnClose) {
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left = modal.left || 0;
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top = modal.top || 0;
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}
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// top 初始值为 offsetTop
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top = top || modal.offsetTop;
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// 点击title部分拖动
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header.onmousedown = (e) => {
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const startX = e.clientX;
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const startY = e.clientY;
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header.left = header.offsetLeft;
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header.top = header.offsetTop;
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el.onmousemove = (event) => {
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const endX = event.clientX;
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const endY = event.clientY;
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modal.left = header.left + (endX - startX) + left;
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modal.top = header.top + (endY - startY) + top;
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modal.style.left = modal.left + 'px';
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modal.style.top = modal.top + 'px';
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};
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el.onmouseup = (event) => {
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left = modal.left;
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top = modal.top;
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el.onmousemove = null;
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el.onmouseup = null;
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header.releaseCapture && header.releaseCapture();
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};
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header.setCapture && header.setCapture();
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};
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});
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},
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};
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