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doc: update drag modal demo

pull/4757/head
tangjinzhou 2022-04-24 09:59:09 +08:00
parent f081707576
commit c127bac6fe
1 changed files with 14 additions and 15 deletions
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29
components/modal/demo/modal-render.vue
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@ -51,29 +51,28 @@ export default defineComponent({
};
const startX = ref<number>(0);
const startY = ref<number>(0);
const startUpdatePos = ref(false);
const startedDrag = ref(false);
const transformX = ref(0);
const transformY = ref(0);
const preTransformX = ref(0);
const preTransformY = ref(0);
let timeoutId;
watch([x, y], () => {
if (!startedDrag.value) {
startX.value = x.value;
startY.value = y.value;
preTransformX.value = transformX.value;
preTransformY.value = transformY.value;
}
startedDrag.value = true;
});
watch(isDragging, () => {
clearTimeout(timeoutId);
timeoutId = setTimeout(() => {
if (isDragging.value) {
startX.value = x.value;
startY.value = y.value;
preTransformX.value = transformX.value;
preTransformY.value = transformY.value;
startUpdatePos.value = true;
} else {
startUpdatePos.value = false;
}
}, 50);
if (!isDragging) {
startedDrag.value = false;
}
});
watchEffect(() => {
if (startUpdatePos.value) {
if (startedDrag.value) {
transformX.value = preTransformX.value + x.value - startX.value;
transformY.value = preTransformY.value + y.value - startY.value;
}