primevue
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[](https://opensource.org/licenses/MIT) [](https://badge.fury.io/js/primevue) [ • 27.3 kB
JavaScript
this.primevue = this.primevue || {};
this.primevue.treeselect = (function (BaseComponent, ChevronDownIcon, OverlayEventBus, Portal, Ripple, Tree, utils, vue) {
'use strict';
function _interopDefaultLegacy (e) { return e && typeof e === 'object' && 'default' in e ? e : { 'default': e }; }
var BaseComponent__default = /*#__PURE__*/_interopDefaultLegacy(BaseComponent);
var ChevronDownIcon__default = /*#__PURE__*/_interopDefaultLegacy(ChevronDownIcon);
var OverlayEventBus__default = /*#__PURE__*/_interopDefaultLegacy(OverlayEventBus);
var Portal__default = /*#__PURE__*/_interopDefaultLegacy(Portal);
var Ripple__default = /*#__PURE__*/_interopDefaultLegacy(Ripple);
var Tree__default = /*#__PURE__*/_interopDefaultLegacy(Tree);
var script = {
name: 'TreeSelect',
extends: BaseComponent__default["default"],
emits: ['update:modelValue', 'before-show', 'before-hide', 'change', 'show', 'hide', 'node-select', 'node-unselect', 'node-expand', 'node-collapse', 'focus', 'blur'],
props: {
modelValue: null,
options: Array,
scrollHeight: {
type: String,
default: '400px'
},
placeholder: {
type: String,
default: null
},
disabled: {
type: Boolean,
default: false
},
tabindex: {
type: Number,
default: null
},
selectionMode: {
type: String,
default: 'single'
},
appendTo: {
type: String,
default: 'body'
},
emptyMessage: {
type: String,
default: null
},
display: {
type: String,
default: 'comma'
},
metaKeySelection: {
type: Boolean,
default: true
},
inputId: {
type: String,
default: null
},
inputClass: {
type: [String, Object],
default: null
},
inputStyle: {
type: Object,
default: null
},
inputProps: {
type: null,
default: null
},
panelClass: {
type: [String, Object],
default: null
},
panelProps: {
type: null,
default: null
},
'aria-labelledby': {
type: String,
default: null
},
'aria-label': {
type: String,
default: null
}
},
data() {
return {
focused: false,
overlayVisible: false,
expandedKeys: {}
};
},
watch: {
modelValue: {
handler: function () {
if (!this.selfChange) {
this.updateTreeState();
}
this.selfChange = false;
},
immediate: true
},
options() {
this.updateTreeState();
}
},
outsideClickListener: null,
resizeListener: null,
scrollHandler: null,
overlay: null,
selfChange: false,
selfClick: false,
beforeUnmount() {
this.unbindOutsideClickListener();
this.unbindResizeListener();
if (this.scrollHandler) {
this.scrollHandler.destroy();
this.scrollHandler = null;
}
if (this.overlay) {
utils.ZIndexUtils.clear(this.overlay);
this.overlay = null;
}
},
mounted() {
this.updateTreeState();
},
methods: {
show() {
this.$emit('before-show');
this.overlayVisible = true;
},
hide() {
this.$emit('before-hide');
this.overlayVisible = false;
this.$refs.focusInput.focus();
},
onFocus(event) {
this.focused = true;
this.$emit('focus', event);
},
onBlur(event) {
this.focused = false;
this.$emit('blur', event);
},
onClick(event) {
if (!this.disabled && (!this.overlay || !this.overlay.contains(event.target)) && !utils.DomHandler.hasClass(event.target, 'p-treeselect-close')) {
if (this.overlayVisible) this.hide();
else this.show();
this.$refs.focusInput.focus();
}
},
onSelectionChange(keys) {
this.selfChange = true;
this.$emit('update:modelValue', keys);
this.$emit('change', keys);
},
onNodeSelect(node) {
this.$emit('node-select', node);
if (this.selectionMode === 'single') {
this.hide();
}
},
onNodeUnselect(node) {
this.$emit('node-unselect', node);
},
onNodeToggle(keys) {
this.expandedKeys = keys;
},
onKeyDown(event) {
switch (event.code) {
case 'ArrowDown':
this.onArrowDownKey(event);
break;
case 'Space':
case 'Enter':
this.onEnterKey(event);
break;
case 'Escape':
this.onEscapeKey(event);
break;
}
},
onArrowDownKey(event) {
if (this.overlayVisible) return;
this.show();
this.$nextTick(() => {
const treeNodeEl = utils.DomHandler.find(this.$refs.tree.$el, '.p-treenode');
const focusedElement = [...treeNodeEl].find((item) => item.getAttribute('tabindex') === '0');
utils.DomHandler.focus(focusedElement);
});
event.preventDefault();
},
onEnterKey(event) {
if (this.overlayVisible) {
this.hide();
} else {
this.onArrowDownKey(event);
}
event.preventDefault();
},
onEscapeKey(event) {
if (this.overlayVisible) {
this.hide();
event.preventDefault();
}
},
onOverlayEnter(el) {
utils.ZIndexUtils.set('overlay', el, this.$primevue.config.zIndex.overlay);
this.alignOverlay();
this.bindOutsideClickListener();
this.bindScrollListener();
this.bindResizeListener();
this.scrollValueInView();
this.$emit('show');
},
onOverlayLeave() {
this.unbindOutsideClickListener();
this.unbindScrollListener();
this.unbindResizeListener();
this.$emit('hide');
this.overlay = null;
},
onOverlayAfterLeave(el) {
utils.ZIndexUtils.clear(el);
},
alignOverlay() {
if (this.appendTo === 'self') {
utils.DomHandler.relativePosition(this.overlay, this.$el);
} else {
this.overlay.style.minWidth = utils.DomHandler.getOuterWidth(this.$el) + 'px';
utils.DomHandler.absolutePosition(this.overlay, this.$el);
}
},
bindOutsideClickListener() {
if (!this.outsideClickListener) {
this.outsideClickListener = (event) => {
if (this.overlayVisible && !this.selfClick && this.isOutsideClicked(event)) {
this.hide();
}
this.selfClick = false;
};
document.addEventListener('click', this.outsideClickListener);
}
},
unbindOutsideClickListener() {
if (this.outsideClickListener) {
document.removeEventListener('click', this.outsideClickListener);
this.outsideClickListener = null;
}
},
bindScrollListener() {
if (!this.scrollHandler) {
this.scrollHandler = new utils.ConnectedOverlayScrollHandler(this.$refs.container, () => {
if (this.overlayVisible) {
this.hide();
}
});
}
this.scrollHandler.bindScrollListener();
},
unbindScrollListener() {
if (this.scrollHandler) {
this.scrollHandler.unbindScrollListener();
}
},
bindResizeListener() {
if (!this.resizeListener) {
this.resizeListener = () => {
if (this.overlayVisible && !utils.DomHandler.isTouchDevice()) {
this.hide();
}
};
window.addEventListener('resize', this.resizeListener);
}
},
unbindResizeListener() {
if (this.resizeListener) {
window.removeEventListener('resize', this.resizeListener);
this.resizeListener = null;
}
},
isOutsideClicked(event) {
return !(this.$el.isSameNode(event.target) || this.$el.contains(event.target) || (this.overlay && this.overlay.contains(event.target)));
},
overlayRef(el) {
this.overlay = el;
},
onOverlayClick(event) {
OverlayEventBus__default["default"].emit('overlay-click', {
originalEvent: event,
target: this.$el
});
this.selfClick = true;
},
onOverlayKeydown(event) {
if (event.code === 'Escape') this.hide();
},
findSelectedNodes(node, keys, selectedNodes) {
if (node) {
if (this.isSelected(node, keys)) {
selectedNodes.push(node);
delete keys[node.key];
}
if (Object.keys(keys).length && node.children) {
for (let childNode of node.children) {
this.findSelectedNodes(childNode, keys, selectedNodes);
}
}
} else {
for (let childNode of this.options) {
this.findSelectedNodes(childNode, keys, selectedNodes);
}
}
},
isSelected(node, keys) {
return this.selectionMode === 'checkbox' ? keys[node.key] && keys[node.key].checked : keys[node.key];
},
updateTreeState() {
let keys = { ...this.modelValue };
this.expandedKeys = {};
if (keys && this.options) {
this.updateTreeBranchState(null, null, keys);
}
},
updateTreeBranchState(node, path, keys) {
if (node) {
if (this.isSelected(node, keys)) {
this.expandPath(path);
delete keys[node.key];
}
if (Object.keys(keys).length && node.children) {
for (let childNode of node.children) {
path.push(node.key);
this.updateTreeBranchState(childNode, path, keys);
}
}
} else {
for (let childNode of this.options) {
this.updateTreeBranchState(childNode, [], keys);
}
}
},
expandPath(path) {
if (path.length > 0) {
for (let key of path) {
this.expandedKeys[key] = true;
}
}
},
scrollValueInView() {
if (this.overlay) {
let selectedItem = utils.DomHandler.findSingle(this.overlay, 'li.p-highlight');
if (selectedItem) {
selectedItem.scrollIntoView({ block: 'nearest', inline: 'start' });
}
}
}
},
computed: {
containerClass() {
return [
'p-treeselect p-component p-inputwrapper',
{
'p-treeselect-chip': this.display === 'chip',
'p-disabled': this.disabled,
'p-focus': this.focused,
'p-inputwrapper-filled': !this.emptyValue,
'p-inputwrapper-focus': this.focused || this.overlayVisible
}
];
},
labelClass() {
return [
'p-treeselect-label',
{
'p-placeholder': this.label === this.placeholder,
'p-treeselect-label-empty': !this.placeholder && this.emptyValue
}
];
},
panelStyleClass() {
return [
'p-treeselect-panel p-component',
this.panelClass,
{
'p-input-filled': this.$primevue.config.inputStyle === 'filled',
'p-ripple-disabled': this.$primevue.config.ripple === false
}
];
},
selectedNodes() {
let selectedNodes = [];
if (this.modelValue && this.options) {
let keys = { ...this.modelValue };
this.findSelectedNodes(null, keys, selectedNodes);
}
return selectedNodes;
},
label() {
let value = this.selectedNodes;
return value.length ? value.map((node) => node.label).join(', ') : this.placeholder;
},
emptyMessageText() {
return this.emptyMessage || this.$primevue.config.locale.emptyMessage;
},
emptyValue() {
return !this.modelValue || Object.keys(this.modelValue).length === 0;
},
emptyOptions() {
return !this.options || this.options.length === 0;
},
listId() {
return utils.UniqueComponentId() + '_list';
}
},
components: {
TSTree: Tree__default["default"],
Portal: Portal__default["default"],
ChevronDownIcon: ChevronDownIcon__default["default"]
},
directives: {
ripple: Ripple__default["default"]
}
};
const _hoisted_1 = ["id", "disabled", "tabindex", "aria-labelledby", "aria-label", "aria-expanded", "aria-controls"];
const _hoisted_2 = ["aria-expanded"];
function render(_ctx, _cache, $props, $setup, $data, $options) {
const _component_TSTree = vue.resolveComponent("TSTree");
const _component_Portal = vue.resolveComponent("Portal");
return (vue.openBlock(), vue.createElementBlock("div", vue.mergeProps({
ref: "container",
class: $options.containerClass,
onClick: _cache[7] || (_cache[7] = (...args) => ($options.onClick && $options.onClick(...args)))
}, _ctx.ptm('root')), [
vue.createElementVNode("div", vue.mergeProps({ class: "p-hidden-accessible" }, _ctx.ptm('hiddenInputWrapper')), [
vue.createElementVNode("input", vue.mergeProps({
ref: "focusInput",
id: $props.inputId,
type: "text",
role: "combobox",
class: $props.inputClass,
style: $props.inputStyle,
readonly: "",
disabled: $props.disabled,
tabindex: !$props.disabled ? $props.tabindex : -1,
"aria-labelledby": _ctx.ariaLabelledby,
"aria-label": _ctx.ariaLabel,
"aria-haspopup": "tree",
"aria-expanded": $data.overlayVisible,
"aria-controls": $options.listId,
onFocus: _cache[0] || (_cache[0] = $event => ($options.onFocus($event))),
onBlur: _cache[1] || (_cache[1] = $event => ($options.onBlur($event))),
onKeydown: _cache[2] || (_cache[2] = $event => ($options.onKeyDown($event)))
}, { ...$props.inputProps, ..._ctx.ptm('hiddenInput') }), null, 16, _hoisted_1)
], 16),
vue.createElementVNode("div", vue.mergeProps({ class: "p-treeselect-label-container" }, _ctx.ptm('labelContainer')), [
vue.createElementVNode("div", vue.mergeProps({ class: $options.labelClass }, _ctx.ptm('label')), [
vue.renderSlot(_ctx.$slots, "value", {
value: $options.selectedNodes,
placeholder: $props.placeholder
}, () => [
($props.display === 'comma')
? (vue.openBlock(), vue.createElementBlock(vue.Fragment, { key: 0 }, [
vue.createTextVNode(vue.toDisplayString($options.label || 'empty'), 1)
], 64))
: ($props.display === 'chip')
? (vue.openBlock(), vue.createElementBlock(vue.Fragment, { key: 1 }, [
(vue.openBlock(true), vue.createElementBlock(vue.Fragment, null, vue.renderList($options.selectedNodes, (node) => {
return (vue.openBlock(), vue.createElementBlock("div", vue.mergeProps({
key: node.key,
class: "p-treeselect-token"
}, _ctx.ptm('token')), [
vue.createElementVNode("span", vue.mergeProps({ class: "p-treeselect-token-label" }, _ctx.ptm('tokenLabel')), vue.toDisplayString(node.label), 17)
], 16))
}), 128)),
($options.emptyValue)
? (vue.openBlock(), vue.createElementBlock(vue.Fragment, { key: 0 }, [
vue.createTextVNode(vue.toDisplayString($props.placeholder || 'empty'), 1)
], 64))
: vue.createCommentVNode("", true)
], 64))
: vue.createCommentVNode("", true)
])
], 16)
], 16),
vue.createElementVNode("div", vue.mergeProps({
class: "p-treeselect-trigger",
role: "button",
"aria-haspopup": "tree",
"aria-expanded": $data.overlayVisible
}, _ctx.ptm('trigger')), [
vue.renderSlot(_ctx.$slots, "triggericon", {}, () => [
(vue.openBlock(), vue.createBlock(vue.resolveDynamicComponent('ChevronDownIcon'), vue.mergeProps({ class: "p-treeselect-trigger-icon" }, _ctx.ptm('triggerIcon')), null, 16))
])
], 16, _hoisted_2),
vue.createVNode(_component_Portal, { appendTo: $props.appendTo }, {
default: vue.withCtx(() => [
vue.createVNode(vue.Transition, {
name: "p-connected-overlay",
onEnter: $options.onOverlayEnter,
onLeave: $options.onOverlayLeave,
onAfterLeave: $options.onOverlayAfterLeave
}, {
default: vue.withCtx(() => [
($data.overlayVisible)
? (vue.openBlock(), vue.createElementBlock("div", vue.mergeProps({
key: 0,
ref: $options.overlayRef,
onClick: _cache[5] || (_cache[5] = (...args) => ($options.onOverlayClick && $options.onOverlayClick(...args))),
class: $options.panelStyleClass,
onKeydown: _cache[6] || (_cache[6] = (...args) => ($options.onOverlayKeydown && $options.onOverlayKeydown(...args)))
}, { ...$props.panelProps, ..._ctx.ptm('panel') }), [
vue.renderSlot(_ctx.$slots, "header", {
value: $props.modelValue,
options: $props.options
}),
vue.createElementVNode("div", vue.mergeProps({
class: "p-treeselect-items-wrapper",
style: { 'max-height': $props.scrollHeight }
}, _ctx.ptm('wrapper')), [
vue.createVNode(_component_TSTree, {
ref: "tree",
id: $options.listId,
value: $props.options,
selectionMode: $props.selectionMode,
"onUpdate:selectionKeys": $options.onSelectionChange,
selectionKeys: $props.modelValue,
expandedKeys: $data.expandedKeys,
"onUpdate:expandedKeys": $options.onNodeToggle,
metaKeySelection: $props.metaKeySelection,
onNodeExpand: _cache[3] || (_cache[3] = $event => (_ctx.$emit('node-expand', $event))),
onNodeCollapse: _cache[4] || (_cache[4] = $event => (_ctx.$emit('node-collapse', $event))),
onNodeSelect: $options.onNodeSelect,
onNodeUnselect: $options.onNodeUnselect,
level: 0,
pt: _ctx.ptm('tree')
}, vue.createSlots({ _: 2 }, [
(_ctx.$slots.itemtogglericon)
? {
name: "togglericon",
fn: vue.withCtx((iconProps) => [
vue.renderSlot(_ctx.$slots, "itemtogglericon", {
node: iconProps.node,
expanded: iconProps.expanded,
class: vue.normalizeClass(iconProps.class)
})
]),
key: "0"
}
: undefined,
(_ctx.$slots.itemcheckboxicon)
? {
name: "checkboxicon",
fn: vue.withCtx((iconProps) => [
vue.renderSlot(_ctx.$slots, "itemcheckboxicon", {
checked: iconProps.checked,
partialChecked: iconProps.partialChecked,
class: vue.normalizeClass(iconProps.class)
})
]),
key: "1"
}
: undefined
]), 1032, ["id", "value", "selectionMode", "onUpdate:selectionKeys", "selectionKeys", "expandedKeys", "onUpdate:expandedKeys", "metaKeySelection", "onNodeSelect", "onNodeUnselect", "pt"]),
($options.emptyOptions)
? (vue.openBlock(), vue.createElementBlock("div", vue.mergeProps({
key: 0,
class: "p-treeselect-empty-message"
}, _ctx.ptm('emptyMessage')), [
vue.renderSlot(_ctx.$slots, "empty", {}, () => [
vue.createTextVNode(vue.toDisplayString($options.emptyMessageText), 1)
])
], 16))
: vue.createCommentVNode("", true)
], 16),
vue.renderSlot(_ctx.$slots, "footer", {
value: $props.modelValue,
options: $props.options
})
], 16))
: vue.createCommentVNode("", true)
]),
_: 3
}, 8, ["onEnter", "onLeave", "onAfterLeave"])
]),
_: 3
}, 8, ["appendTo"])
], 16))
}
function styleInject(css, ref) {
if ( ref === void 0 ) ref = {};
var insertAt = ref.insertAt;
if (!css || typeof document === 'undefined') { return; }
var head = document.head || document.getElementsByTagName('head')[0];
var style = document.createElement('style');
style.type = 'text/css';
if (insertAt === 'top') {
if (head.firstChild) {
head.insertBefore(style, head.firstChild);
} else {
head.appendChild(style);
}
} else {
head.appendChild(style);
}
if (style.styleSheet) {
style.styleSheet.cssText = css;
} else {
style.appendChild(document.createTextNode(css));
}
}
var css_248z = "\n.p-treeselect {\n display: inline-flex;\n cursor: pointer;\n position: relative;\n user-select: none;\n}\n.p-treeselect-trigger {\n display: flex;\n align-items: center;\n justify-content: center;\n flex-shrink: 0;\n}\n.p-treeselect-label-container {\n overflow: hidden;\n flex: 1 1 auto;\n cursor: pointer;\n}\n.p-treeselect-label {\n display: block;\n white-space: nowrap;\n cursor: pointer;\n overflow: hidden;\n text-overflow: ellipsis;\n}\n.p-treeselect-label-empty {\n overflow: hidden;\n visibility: hidden;\n}\n.p-treeselect-token {\n cursor: default;\n display: inline-flex;\n align-items: center;\n flex: 0 0 auto;\n}\n.p-treeselect .p-treeselect-panel {\n min-width: 100%;\n}\n.p-treeselect-panel {\n position: absolute;\n top: 0;\n left: 0;\n}\n.p-treeselect-items-wrapper {\n overflow: auto;\n}\n.p-fluid .p-treeselect {\n display: flex;\n}\n";
styleInject(css_248z);
script.render = render;
return script;
})(primevue.basecomponent, primevue.icons.chevrondown, primevue.overlayeventbus, primevue.portal, primevue.ripple, primevue.tree, primevue.utils, Vue);