element-plus
Version:
A Component Library for Vue 3
284 lines (279 loc) • 10.7 kB
JavaScript
;
Object.defineProperty(exports, '__esModule', { value: true });
var vue = require('vue');
var core = require('@vueuse/core');
require('../../../utils/index.js');
require('../../../constants/index.js');
var index$1 = require('../../icon/index.js');
var iconsVue = require('@element-plus/icons-vue');
require('../../../hooks/index.js');
var tabBar = require('./tab-bar2.js');
var constants = require('./constants.js');
var runtime = require('../../../utils/vue/props/runtime.js');
var typescript = require('../../../utils/typescript.js');
var error = require('../../../utils/error.js');
var index = require('../../../hooks/use-namespace/index.js');
var strings = require('../../../utils/strings.js');
var aria = require('../../../constants/aria.js');
const tabNavProps = runtime.buildProps({
panes: {
type: runtime.definePropType(Array),
default: () => typescript.mutable([])
},
currentName: {
type: [String, Number],
default: ""
},
editable: Boolean,
type: {
type: String,
values: ["card", "border-card", ""],
default: ""
},
stretch: Boolean
});
const tabNavEmits = {
tabClick: (tab, tabName, ev) => ev instanceof Event,
tabRemove: (tab, ev) => ev instanceof Event
};
const COMPONENT_NAME = "ElTabNav";
const TabNav = vue.defineComponent({
name: COMPONENT_NAME,
props: tabNavProps,
emits: tabNavEmits,
setup(props, {
expose,
emit
}) {
const vm = vue.getCurrentInstance();
const rootTabs = vue.inject(constants.tabsRootContextKey);
if (!rootTabs)
error.throwError(COMPONENT_NAME, `<el-tabs><tab-nav /></el-tabs>`);
const ns = index.useNamespace("tabs");
const visibility = core.useDocumentVisibility();
const focused = core.useWindowFocus();
const navScroll$ = vue.ref();
const nav$ = vue.ref();
const el$ = vue.ref();
const tabBarRef = vue.ref();
const scrollable = vue.ref(false);
const navOffset = vue.ref(0);
const isFocus = vue.ref(false);
const focusable = vue.ref(true);
const sizeName = vue.computed(() => ["top", "bottom"].includes(rootTabs.props.tabPosition) ? "width" : "height");
const navStyle = vue.computed(() => {
const dir = sizeName.value === "width" ? "X" : "Y";
return {
transform: `translate${dir}(-${navOffset.value}px)`
};
});
const scrollPrev = () => {
if (!navScroll$.value)
return;
const containerSize = navScroll$.value[`offset${strings.capitalize(sizeName.value)}`];
const currentOffset = navOffset.value;
if (!currentOffset)
return;
const newOffset = currentOffset > containerSize ? currentOffset - containerSize : 0;
navOffset.value = newOffset;
};
const scrollNext = () => {
if (!navScroll$.value || !nav$.value)
return;
const navSize = nav$.value[`offset${strings.capitalize(sizeName.value)}`];
const containerSize = navScroll$.value[`offset${strings.capitalize(sizeName.value)}`];
const currentOffset = navOffset.value;
if (navSize - currentOffset <= containerSize)
return;
const newOffset = navSize - currentOffset > containerSize * 2 ? currentOffset + containerSize : navSize - containerSize;
navOffset.value = newOffset;
};
const scrollToActiveTab = async () => {
const nav = nav$.value;
if (!scrollable.value || !el$.value || !navScroll$.value || !nav)
return;
await vue.nextTick();
const activeTab = el$.value.querySelector(".is-active");
if (!activeTab)
return;
const navScroll = navScroll$.value;
const isHorizontal = ["top", "bottom"].includes(rootTabs.props.tabPosition);
const activeTabBounding = activeTab.getBoundingClientRect();
const navScrollBounding = navScroll.getBoundingClientRect();
const maxOffset = isHorizontal ? nav.offsetWidth - navScrollBounding.width : nav.offsetHeight - navScrollBounding.height;
const currentOffset = navOffset.value;
let newOffset = currentOffset;
if (isHorizontal) {
if (activeTabBounding.left < navScrollBounding.left) {
newOffset = currentOffset - (navScrollBounding.left - activeTabBounding.left);
}
if (activeTabBounding.right > navScrollBounding.right) {
newOffset = currentOffset + activeTabBounding.right - navScrollBounding.right;
}
} else {
if (activeTabBounding.top < navScrollBounding.top) {
newOffset = currentOffset - (navScrollBounding.top - activeTabBounding.top);
}
if (activeTabBounding.bottom > navScrollBounding.bottom) {
newOffset = currentOffset + (activeTabBounding.bottom - navScrollBounding.bottom);
}
}
newOffset = Math.max(newOffset, 0);
navOffset.value = Math.min(newOffset, maxOffset);
};
const update = () => {
var _a;
if (!nav$.value || !navScroll$.value)
return;
props.stretch && ((_a = tabBarRef.value) == null ? void 0 : _a.update());
const navSize = nav$.value[`offset${strings.capitalize(sizeName.value)}`];
const containerSize = navScroll$.value[`offset${strings.capitalize(sizeName.value)}`];
const currentOffset = navOffset.value;
if (containerSize < navSize) {
scrollable.value = scrollable.value || {};
scrollable.value.prev = currentOffset;
scrollable.value.next = currentOffset + containerSize < navSize;
if (navSize - currentOffset < containerSize) {
navOffset.value = navSize - containerSize;
}
} else {
scrollable.value = false;
if (currentOffset > 0) {
navOffset.value = 0;
}
}
};
const changeTab = (e) => {
const code = e.code;
const {
up,
down,
left,
right
} = aria.EVENT_CODE;
if (![up, down, left, right].includes(code))
return;
const tabList = Array.from(e.currentTarget.querySelectorAll("[role=tab]:not(.is-disabled)"));
const currentIndex = tabList.indexOf(e.target);
let nextIndex;
if (code === left || code === up) {
if (currentIndex === 0) {
nextIndex = tabList.length - 1;
} else {
nextIndex = currentIndex - 1;
}
} else {
if (currentIndex < tabList.length - 1) {
nextIndex = currentIndex + 1;
} else {
nextIndex = 0;
}
}
tabList[nextIndex].focus({
preventScroll: true
});
tabList[nextIndex].click();
setFocus();
};
const setFocus = () => {
if (focusable.value)
isFocus.value = true;
};
const removeFocus = () => isFocus.value = false;
vue.watch(visibility, (visibility2) => {
if (visibility2 === "hidden") {
focusable.value = false;
} else if (visibility2 === "visible") {
setTimeout(() => focusable.value = true, 50);
}
});
vue.watch(focused, (focused2) => {
if (focused2) {
setTimeout(() => focusable.value = true, 50);
} else {
focusable.value = false;
}
});
core.useResizeObserver(el$, update);
vue.onMounted(() => setTimeout(() => scrollToActiveTab(), 0));
vue.onUpdated(() => update());
expose({
scrollToActiveTab,
removeFocus
});
vue.watch(() => props.panes, () => vm.update(), {
flush: "post",
deep: true
});
return () => {
const scrollBtn = scrollable.value ? [vue.createVNode("span", {
"class": [ns.e("nav-prev"), ns.is("disabled", !scrollable.value.prev)],
"onClick": scrollPrev
}, [vue.createVNode(index$1.ElIcon, null, {
default: () => [vue.createVNode(iconsVue.ArrowLeft, null, null)]
})]), vue.createVNode("span", {
"class": [ns.e("nav-next"), ns.is("disabled", !scrollable.value.next)],
"onClick": scrollNext
}, [vue.createVNode(index$1.ElIcon, null, {
default: () => [vue.createVNode(iconsVue.ArrowRight, null, null)]
})])] : null;
const tabs = props.panes.map((pane, index) => {
var _a, _b, _c, _d;
const uid = pane.uid;
const disabled = pane.props.disabled;
const tabName = (_b = (_a = pane.props.name) != null ? _a : pane.index) != null ? _b : `${index}`;
const closable = !disabled && (pane.isClosable || props.editable);
pane.index = `${index}`;
const btnClose = closable ? vue.createVNode(index$1.ElIcon, {
"class": "is-icon-close",
"onClick": (ev) => emit("tabRemove", pane, ev)
}, {
default: () => [vue.createVNode(iconsVue.Close, null, null)]
}) : null;
const tabLabelContent = ((_d = (_c = pane.slots).label) == null ? void 0 : _d.call(_c)) || pane.props.label;
const tabindex = !disabled && pane.active ? 0 : -1;
return vue.createVNode("div", {
"ref": `tab-${uid}`,
"class": [ns.e("item"), ns.is(rootTabs.props.tabPosition), ns.is("active", pane.active), ns.is("disabled", disabled), ns.is("closable", closable), ns.is("focus", isFocus.value)],
"id": `tab-${tabName}`,
"key": `tab-${uid}`,
"aria-controls": `pane-${tabName}`,
"role": "tab",
"aria-selected": pane.active,
"tabindex": tabindex,
"onFocus": () => setFocus(),
"onBlur": () => removeFocus(),
"onClick": (ev) => {
removeFocus();
emit("tabClick", pane, tabName, ev);
},
"onKeydown": (ev) => {
if (closable && (ev.code === aria.EVENT_CODE.delete || ev.code === aria.EVENT_CODE.backspace)) {
emit("tabRemove", pane, ev);
}
}
}, [...[tabLabelContent, btnClose]]);
});
return vue.createVNode("div", {
"ref": el$,
"class": [ns.e("nav-wrap"), ns.is("scrollable", !!scrollable.value), ns.is(rootTabs.props.tabPosition)]
}, [scrollBtn, vue.createVNode("div", {
"class": ns.e("nav-scroll"),
"ref": navScroll$
}, [vue.createVNode("div", {
"class": [ns.e("nav"), ns.is(rootTabs.props.tabPosition), ns.is("stretch", props.stretch && ["top", "bottom"].includes(rootTabs.props.tabPosition))],
"ref": nav$,
"style": navStyle.value,
"role": "tablist",
"onKeydown": changeTab
}, [...[!props.type ? vue.createVNode(tabBar["default"], {
"ref": tabBarRef,
"tabs": [...props.panes]
}, null) : null, tabs]])])]);
};
}
});
exports["default"] = TabNav;
exports.tabNavEmits = tabNavEmits;
exports.tabNavProps = tabNavProps;
//# sourceMappingURL=tab-nav.js.map