62 lines
2.5 KiB
JavaScript
62 lines
2.5 KiB
JavaScript
import { useForwardExpose } from "../shared/useForwardExpose.js";
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import { injectSelectItemAlignedPositionContext } from "./SelectItemAlignedPosition.js";
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import { injectSelectContentContext } from "./SelectContentImpl.js";
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import { SelectScrollButtonImpl_default } from "./SelectScrollButtonImpl.js";
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import { createBlock, createCommentVNode, defineComponent, openBlock, ref, renderSlot, unref, watch, watchEffect, withCtx } from "vue";
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//#region src/Select/SelectScrollDownButton.vue?vue&type=script&setup=true&lang.ts
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var SelectScrollDownButton_vue_vue_type_script_setup_true_lang_default = /* @__PURE__ */ defineComponent({
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__name: "SelectScrollDownButton",
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props: {
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asChild: {
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type: Boolean,
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required: false
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},
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as: {
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type: null,
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required: false
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}
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},
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setup(__props) {
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const contentContext = injectSelectContentContext();
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const alignedPositionContext = contentContext.position === "item-aligned" ? injectSelectItemAlignedPositionContext() : void 0;
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const { forwardRef, currentElement } = useForwardExpose();
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const canScrollDown = ref(false);
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watchEffect((cleanupFn) => {
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if (contentContext.viewport?.value && contentContext.isPositioned?.value) {
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const viewport = contentContext.viewport.value;
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function handleScroll() {
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const maxScroll = viewport.scrollHeight - viewport.clientHeight;
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canScrollDown.value = Math.ceil(viewport.scrollTop) < maxScroll;
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}
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handleScroll();
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viewport.addEventListener("scroll", handleScroll);
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cleanupFn(() => viewport.removeEventListener("scroll", handleScroll));
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}
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});
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watch(currentElement, () => {
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if (currentElement.value) alignedPositionContext?.onScrollButtonChange(currentElement.value);
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});
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return (_ctx, _cache) => {
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return canScrollDown.value ? (openBlock(), createBlock(SelectScrollButtonImpl_default, {
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key: 0,
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ref: unref(forwardRef),
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onAutoScroll: _cache[0] || (_cache[0] = () => {
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const { viewport, selectedItem } = unref(contentContext);
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if (viewport?.value && selectedItem?.value) viewport.value.scrollTop = viewport.value.scrollTop + selectedItem.value.offsetHeight;
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})
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}, {
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default: withCtx(() => [renderSlot(_ctx.$slots, "default")]),
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_: 3
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}, 512)) : createCommentVNode("v-if", true);
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};
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}
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});
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//#endregion
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//#region src/Select/SelectScrollDownButton.vue
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var SelectScrollDownButton_default = SelectScrollDownButton_vue_vue_type_script_setup_true_lang_default;
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//#endregion
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export { SelectScrollDownButton_default };
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//# sourceMappingURL=SelectScrollDownButton.js.map
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