110 lines
3.0 KiB
Vue
110 lines
3.0 KiB
Vue
<docs>
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---
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order: 13
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title:
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zh-CN: 自定义渲染对话框
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en-US: Custom modal content render
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---
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## zh-CN
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自定义渲染对话框, 可通过 `vueuse` 来实现拖拽。
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## en-US
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Custom modal content render. use `vueuse` implements draggable.
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</docs>
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<template>
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<div>
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<a-button type="primary" @click="showModal">Open Modal</a-button>
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<a-modal
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ref="modalRef"
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v-model:visible="visible"
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:wrap-style="{ overflow: 'hidden' }"
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@ok="handleOk"
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>
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<p>Some contents...</p>
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<p>Some contents...</p>
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<p>Some contents...</p>
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<template #title>
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<div ref="modalTitleRef" style="width: 100%; cursor: move">Draggable Modal</div>
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</template>
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<template #modalRender="{ originVNode }">
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<div :style="transformStyle">
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<component :is="originVNode" />
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</div>
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</template>
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</a-modal>
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</div>
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</template>
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<script lang="ts">
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import { defineComponent, ref, computed, CSSProperties, watch, watchEffect } from 'vue';
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import { useDraggable } from '@vueuse/core';
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export default defineComponent({
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setup() {
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const visible = ref<boolean>(false);
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const modalTitleRef = ref<HTMLElement>(null);
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const showModal = () => {
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visible.value = true;
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};
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const { x, y, isDragging } = useDraggable(modalTitleRef);
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const handleOk = (e: MouseEvent) => {
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console.log(e);
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visible.value = false;
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};
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const startX = ref<number>(0);
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const startY = ref<number>(0);
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const startedDrag = ref(false);
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const transformX = ref(0);
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const transformY = ref(0);
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const preTransformX = ref(0);
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const preTransformY = ref(0);
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const dragRect = ref({ left: 0, right: 0, top: 0, bottom: 0 });
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watch([x, y], () => {
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if (!startedDrag.value) {
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startX.value = x.value;
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startY.value = y.value;
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const bodyRect = document.body.getBoundingClientRect();
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const titleRect = modalTitleRef.value.getBoundingClientRect();
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dragRect.value.right = bodyRect.width - titleRect.width;
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dragRect.value.bottom = bodyRect.height - titleRect.height;
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preTransformX.value = transformX.value;
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preTransformY.value = transformY.value;
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}
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startedDrag.value = true;
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});
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watch(isDragging, () => {
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if (!isDragging) {
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startedDrag.value = false;
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}
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});
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watchEffect(() => {
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if (startedDrag.value) {
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transformX.value =
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preTransformX.value +
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Math.min(Math.max(dragRect.value.left, x.value), dragRect.value.right) -
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startX.value;
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transformY.value =
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preTransformY.value +
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Math.min(Math.max(dragRect.value.top, y.value), dragRect.value.bottom) -
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startY.value;
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}
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});
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const transformStyle = computed<CSSProperties>(() => {
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return {
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transform: `translate(${transformX.value}px, ${transformY.value}px)`,
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};
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});
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return {
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visible,
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showModal,
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handleOk,
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modalTitleRef,
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transformStyle,
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};
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},
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});
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</script>
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