element-plus
Version:
A Component Library for Vue 3
324 lines (321 loc) • 12.2 kB
JavaScript
import { defineComponent, inject, ref, getCurrentInstance, provide, watch, nextTick, resolveComponent, withDirectives, openBlock, createElementBlock, normalizeClass, withModifiers, createElementVNode, normalizeStyle, createBlock, withCtx, resolveDynamicComponent, createCommentVNode, createVNode, Fragment, renderList, vShow } from 'vue';
import { ElCollapseTransition } from '../../collapse-transition/index.mjs';
import { ElCheckbox } from '../../checkbox/index.mjs';
import { ElIcon } from '../../icon/index.mjs';
import { Loading, CaretRight } from '@element-plus/icons-vue';
import NodeContent from './tree-node-content.mjs';
import { getNodeKey, handleCurrentChange } from './model/util.mjs';
import { useNodeExpandEventBroadcast } from './model/useNodeExpandEventBroadcast.mjs';
import { dragEventsKey } from './model/useDragNode.mjs';
import Node from './model/node.mjs';
import _export_sfc from '../../../_virtual/plugin-vue_export-helper.mjs';
import { useNamespace } from '../../../hooks/use-namespace/index.mjs';
import { debugWarn } from '../../../utils/error.mjs';
import { isFunction, isString } from '@vue/shared';
const _sfc_main = defineComponent({
name: "ElTreeNode",
components: {
ElCollapseTransition,
ElCheckbox,
NodeContent,
ElIcon,
Loading
},
props: {
node: {
type: Node,
default: () => ({})
},
props: {
type: Object,
default: () => ({})
},
accordion: Boolean,
renderContent: Function,
renderAfterExpand: Boolean,
showCheckbox: {
type: Boolean,
default: false
}
},
emits: ["node-expand"],
setup(props, ctx) {
const ns = useNamespace("tree");
const { broadcastExpanded } = useNodeExpandEventBroadcast(props);
const tree = inject("RootTree");
const expanded = ref(false);
const childNodeRendered = ref(false);
const oldChecked = ref();
const oldIndeterminate = ref();
const node$ = ref();
const dragEvents = inject(dragEventsKey);
const instance = getCurrentInstance();
provide("NodeInstance", instance);
if (!tree) {
debugWarn("Tree", "Can not find node's tree.");
}
if (props.node.expanded) {
expanded.value = true;
childNodeRendered.value = true;
}
const childrenKey = tree.props.props["children"] || "children";
watch(() => {
var _a;
const children = (_a = props.node.data) == null ? void 0 : _a[childrenKey];
return children && [...children];
}, () => {
props.node.updateChildren();
});
watch(() => props.node.indeterminate, (val) => {
handleSelectChange(props.node.checked, val);
});
watch(() => props.node.checked, (val) => {
handleSelectChange(val, props.node.indeterminate);
});
watch(() => props.node.childNodes.length, () => props.node.reInitChecked());
watch(() => props.node.expanded, (val) => {
nextTick(() => expanded.value = val);
if (val) {
childNodeRendered.value = true;
}
});
const getNodeKey$1 = (node) => {
return getNodeKey(tree.props.nodeKey, node.data);
};
const getNodeClass = (node) => {
const nodeClassFunc = props.props.class;
if (!nodeClassFunc) {
return {};
}
let className;
if (isFunction(nodeClassFunc)) {
const { data } = node;
className = nodeClassFunc(data, node);
} else {
className = nodeClassFunc;
}
if (isString(className)) {
return { [className]: true };
} else {
return className;
}
};
const handleSelectChange = (checked, indeterminate) => {
if (oldChecked.value !== checked || oldIndeterminate.value !== indeterminate) {
tree.ctx.emit("check-change", props.node.data, checked, indeterminate);
}
oldChecked.value = checked;
oldIndeterminate.value = indeterminate;
};
const handleClick = (e) => {
handleCurrentChange(tree.store, tree.ctx.emit, () => {
var _a;
const nodeKeyProp = (_a = tree == null ? void 0 : tree.props) == null ? void 0 : _a.nodeKey;
if (nodeKeyProp) {
const curNodeKey = getNodeKey$1(props.node);
tree.store.value.setCurrentNodeKey(curNodeKey);
} else {
tree.store.value.setCurrentNode(props.node);
}
});
tree.currentNode.value = props.node;
if (tree.props.expandOnClickNode) {
handleExpandIconClick();
}
if ((tree.props.checkOnClickNode || props.node.isLeaf && tree.props.checkOnClickLeaf && props.showCheckbox) && !props.node.disabled) {
handleCheckChange(!props.node.checked);
}
tree.ctx.emit("node-click", props.node.data, props.node, instance, e);
};
const handleContextMenu = (event) => {
var _a;
if ((_a = tree.instance.vnode.props) == null ? void 0 : _a["onNodeContextmenu"]) {
event.stopPropagation();
event.preventDefault();
}
tree.ctx.emit("node-contextmenu", event, props.node.data, props.node, instance);
};
const handleExpandIconClick = () => {
if (props.node.isLeaf)
return;
if (expanded.value) {
tree.ctx.emit("node-collapse", props.node.data, props.node, instance);
props.node.collapse();
} else {
props.node.expand(() => {
ctx.emit("node-expand", props.node.data, props.node, instance);
});
}
};
const handleCheckChange = (value) => {
props.node.setChecked(value, !(tree == null ? void 0 : tree.props.checkStrictly));
nextTick(() => {
const store = tree.store.value;
tree.ctx.emit("check", props.node.data, {
checkedNodes: store.getCheckedNodes(),
checkedKeys: store.getCheckedKeys(),
halfCheckedNodes: store.getHalfCheckedNodes(),
halfCheckedKeys: store.getHalfCheckedKeys()
});
});
};
const handleChildNodeExpand = (nodeData, node, instance2) => {
broadcastExpanded(node);
tree.ctx.emit("node-expand", nodeData, node, instance2);
};
const handleDragStart = (event) => {
if (!tree.props.draggable)
return;
dragEvents.treeNodeDragStart({ event, treeNode: props });
};
const handleDragOver = (event) => {
event.preventDefault();
if (!tree.props.draggable)
return;
dragEvents.treeNodeDragOver({
event,
treeNode: { $el: node$.value, node: props.node }
});
};
const handleDrop = (event) => {
event.preventDefault();
};
const handleDragEnd = (event) => {
if (!tree.props.draggable)
return;
dragEvents.treeNodeDragEnd(event);
};
return {
ns,
node$,
tree,
expanded,
childNodeRendered,
oldChecked,
oldIndeterminate,
getNodeKey: getNodeKey$1,
getNodeClass,
handleSelectChange,
handleClick,
handleContextMenu,
handleExpandIconClick,
handleCheckChange,
handleChildNodeExpand,
handleDragStart,
handleDragOver,
handleDrop,
handleDragEnd,
CaretRight
};
}
});
function _sfc_render(_ctx, _cache, $props, $setup, $data, $options) {
const _component_el_icon = resolveComponent("el-icon");
const _component_el_checkbox = resolveComponent("el-checkbox");
const _component_loading = resolveComponent("loading");
const _component_node_content = resolveComponent("node-content");
const _component_el_tree_node = resolveComponent("el-tree-node");
const _component_el_collapse_transition = resolveComponent("el-collapse-transition");
return withDirectives((openBlock(), createElementBlock("div", {
ref: "node$",
class: normalizeClass([
_ctx.ns.b("node"),
_ctx.ns.is("expanded", _ctx.expanded),
_ctx.ns.is("current", _ctx.node.isCurrent),
_ctx.ns.is("hidden", !_ctx.node.visible),
_ctx.ns.is("focusable", !_ctx.node.disabled),
_ctx.ns.is("checked", !_ctx.node.disabled && _ctx.node.checked),
_ctx.getNodeClass(_ctx.node)
]),
role: "treeitem",
tabindex: "-1",
"aria-expanded": _ctx.expanded,
"aria-disabled": _ctx.node.disabled,
"aria-checked": _ctx.node.checked,
draggable: _ctx.tree.props.draggable,
"data-key": _ctx.getNodeKey(_ctx.node),
onClick: withModifiers(_ctx.handleClick, ["stop"]),
onContextmenu: _ctx.handleContextMenu,
onDragstart: withModifiers(_ctx.handleDragStart, ["stop"]),
onDragover: withModifiers(_ctx.handleDragOver, ["stop"]),
onDragend: withModifiers(_ctx.handleDragEnd, ["stop"]),
onDrop: withModifiers(_ctx.handleDrop, ["stop"])
}, [
createElementVNode("div", {
class: normalizeClass(_ctx.ns.be("node", "content")),
style: normalizeStyle({ paddingLeft: (_ctx.node.level - 1) * _ctx.tree.props.indent + "px" })
}, [
_ctx.tree.props.icon || _ctx.CaretRight ? (openBlock(), createBlock(_component_el_icon, {
key: 0,
class: normalizeClass([
_ctx.ns.be("node", "expand-icon"),
_ctx.ns.is("leaf", _ctx.node.isLeaf),
{
expanded: !_ctx.node.isLeaf && _ctx.expanded
}
]),
onClick: withModifiers(_ctx.handleExpandIconClick, ["stop"])
}, {
default: withCtx(() => [
(openBlock(), createBlock(resolveDynamicComponent(_ctx.tree.props.icon || _ctx.CaretRight)))
]),
_: 1
}, 8, ["class", "onClick"])) : createCommentVNode("v-if", true),
_ctx.showCheckbox ? (openBlock(), createBlock(_component_el_checkbox, {
key: 1,
"model-value": _ctx.node.checked,
indeterminate: _ctx.node.indeterminate,
disabled: !!_ctx.node.disabled,
onClick: withModifiers(() => {
}, ["stop"]),
onChange: _ctx.handleCheckChange
}, null, 8, ["model-value", "indeterminate", "disabled", "onClick", "onChange"])) : createCommentVNode("v-if", true),
_ctx.node.loading ? (openBlock(), createBlock(_component_el_icon, {
key: 2,
class: normalizeClass([_ctx.ns.be("node", "loading-icon"), _ctx.ns.is("loading")])
}, {
default: withCtx(() => [
createVNode(_component_loading)
]),
_: 1
}, 8, ["class"])) : createCommentVNode("v-if", true),
createVNode(_component_node_content, {
node: _ctx.node,
"render-content": _ctx.renderContent
}, null, 8, ["node", "render-content"])
], 6),
createVNode(_component_el_collapse_transition, null, {
default: withCtx(() => [
!_ctx.renderAfterExpand || _ctx.childNodeRendered ? withDirectives((openBlock(), createElementBlock("div", {
key: 0,
class: normalizeClass(_ctx.ns.be("node", "children")),
role: "group",
"aria-expanded": _ctx.expanded,
onClick: withModifiers(() => {
}, ["stop"])
}, [
(openBlock(true), createElementBlock(Fragment, null, renderList(_ctx.node.childNodes, (child) => {
return openBlock(), createBlock(_component_el_tree_node, {
key: _ctx.getNodeKey(child),
"render-content": _ctx.renderContent,
"render-after-expand": _ctx.renderAfterExpand,
"show-checkbox": _ctx.showCheckbox,
node: child,
accordion: _ctx.accordion,
props: _ctx.props,
onNodeExpand: _ctx.handleChildNodeExpand
}, null, 8, ["render-content", "render-after-expand", "show-checkbox", "node", "accordion", "props", "onNodeExpand"]);
}), 128))
], 10, ["aria-expanded", "onClick"])), [
[vShow, _ctx.expanded]
]) : createCommentVNode("v-if", true)
]),
_: 1
})
], 42, ["aria-expanded", "aria-disabled", "aria-checked", "draggable", "data-key", "onClick", "onContextmenu", "onDragstart", "onDragover", "onDragend", "onDrop"])), [
[vShow, _ctx.node.visible]
]);
}
var ElTreeNode = /* @__PURE__ */ _export_sfc(_sfc_main, [["render", _sfc_render], ["__file", "tree-node.vue"]]);
export { ElTreeNode as default };
//# sourceMappingURL=tree-node.mjs.map