egroupware_official/api/js/etemplate/Et2Tree/Et2TreeDropdown.ts
milan 66e222e035 added possibility to scroll Et2TreeDropdown on open to current selection.
-- set openAtSelection="true" attribute on the et2-tree-dropdown
-- use for timezone selection in preferences
-- regarding Ticket #97411
2024-10-31 13:41:10 +01:00

1039 lines
30 KiB
TypeScript

import {LitElement, nothing, PropertyValues, TemplateResult} from "lit";
import {html, literal, StaticValue} from "lit/static-html.js";
import {Et2Tree, TreeItemData} from "./Et2Tree";
import {Et2WidgetWithSelectMixin} from "../Et2Select/Et2WidgetWithSelectMixin";
import {property} from "lit/decorators/property.js";
import {classMap} from "lit/directives/class-map.js";
import {state} from "lit/decorators/state.js";
import {HasSlotController} from "../Et2Widget/slot";
import {map} from "lit/directives/map.js";
import {SlPopup, SlRemoveEvent, SlTreeItem} from "@shoelace-style/shoelace";
import shoelace from "../Styles/shoelace";
import styles from "./Et2TreeDropdown.styles";
import {Et2Tag} from "../Et2Select/Tag/Et2Tag";
import {SearchMixin, SearchResult, SearchResultElement, SearchResultsInterface} from "../Et2Widget/SearchMixin";
import {Et2InputWidgetInterface} from "../Et2InputWidget/Et2InputWidget";
import {Required} from "../Validators/Required";
import {SelectOption} from "../Et2Select/FindSelectOptions";
interface TreeSearchResults extends SearchResultsInterface<TreeItemData>
{
}
type Constructor<T = {}> = new (...args : any[]) => T;
/**
* @summary A tree that is hidden in a dropdown
*
* @dependency sl-dropdown
* @dependency et2-tree
* @dependency et2-tag
*
* @slot label - The input's label. Alternatively, you can use the `label` attribute.
* @slot prefix - Used to prepend a presentational icon or similar element to the combobox.
* @slot suffix - Used to append a presentational icon or similar element to the input.
* @slot expand-icon - The icon to show when the control is expanded and collapsed. Rotates on open and close.
* @slot help-text - Text that describes how to use the input. Alternatively, you can use the `help-text` attribute.
*
* @event change - Emitted when the control's value changes.
* @event sl-show - Emitted when the suggestion menu opens.
* @event sl-after-show - Emitted after the suggestion menu opens and all animations are complete.
* @event sl-hide - Emitted when the suggestion menu closes.
* @event sl-after-hide - Emitted after the suggestion menu closes and all animations are complete.
*
* @csspart form-control - The form control that wraps the label, input, and help text.
* @since 23.1.x
*/
export class Et2TreeDropdown extends SearchMixin<Constructor<any> & Et2InputWidgetInterface & typeof LitElement, TreeItemData, TreeSearchResults>(Et2WidgetWithSelectMixin(LitElement))
{
static get styles()
{
return [
shoelace,
super.styles,
styles
];
}
/**
* List of properties that get translated
* @returns object
*/
static get translate()
{
return {
...super.translate,
placeholder: true,
}
}
/** Placeholder text to show as a hint when the select is empty. */
@property() placeholder = "";
@property({type: Boolean, reflect: true}) multiple = false;
/** Adds a clear button when the dropdown is not empty. */
@property({type: Boolean}) clearable = false;
/** The component's help text. If you need to display HTML, use the `help-text` slot instead. */
@property({attribute: 'help-text'}) helpText = "";
/** "JSON URL or menuaction to be called for nodes marked with child=1, but not having children, getSelectedNode() contains node-id" */
@property({type: String})
autoloading: string = "";
/**
* Indicates whether the dropdown is open. You can toggle this attribute to show and hide the tree, or you can
* use the `show()` and `hide()` methods and this attribute will reflect the open state.
*/
@property({type: Boolean, reflect: true}) open = false;
/**
* Actions (passed to the tree)
* @type {{}}
*/
@property({type: Object}) actions = {};
/**
* If true, only leafs (NOT folders) are selectable
*/
@property()
set leafOnly(_leafOnly: boolean)
{
this.updateComplete.then(() => {
const tree = this._tree
if (tree)
{
tree.leafOnly = _leafOnly;
tree.requestUpdate("leafOnly")
}
}
)
}
get leafOnly()
{
return this._tree?.leafOnly;
}
/**
* set the corresponding attribute if you want the tree to scroll to the selected item, when it is opened
* Please already supply the parents of the current selection in an open state from the server side if possible
*/
@property({type: Boolean}) openAtSelection = false
@state() currentTag: Et2Tag;
// We show search results in the same dropdown
@state() treeOrSearch : "tree" | "search" = "tree";
private get _popup(): SlPopup
{
return this.shadowRoot?.querySelector("sl-popup")
}
private get _tree(): Et2Tree
{
return this.shadowRoot?.querySelector("et2-tree")
}
private get _tags() : Et2Tag[] { return Array.from(this.shadowRoot.querySelectorAll("et2-tag"));}
protected readonly hasSlotController = new HasSlotController(<LitElement><unknown>this, "help-text", "label");
private __value : string[];
protected displayLabel = '';
constructor()
{
super();
this.__value = [];
this.handleDocumentClick = this.handleDocumentClick.bind(this);
}
connectedCallback()
{
super.connectedCallback();
document.addEventListener("click", this.handleDocumentClick);
}
disconnectedCallback()
{
super.disconnectedCallback();
document.removeEventListener("click", this.handleDocumentClick);
}
willUpdate(changedProperties)
{
super.willUpdate(changedProperties);
// Child tree not updating when our emptyLabel changes
if(this._tree && (changedProperties.has("select_options") || changedProperties.has("emptyLabel")))
{
let options = this.multiple || !this.emptyLabel ? this.select_options : [{
value: "",
label: this.emptyLabel
}, ...this.select_options];
this._tree._selectOptions = <TreeItemData[]>options;
this._tree.requestUpdate("_selectOptions");
}
}
updated(changedProperties : PropertyValues)
{
super.updated(changedProperties);
// required changed, add / remove validator
if(changedProperties.has('required'))
{
// Remove all existing Required validators (avoids duplicates)
this.validators = (this.validators || []).filter((validator) => !(validator instanceof Required))
if(this.required)
{
this.validators.push(new Required());
}
}
if(changedProperties.has("value"))
{
// Base off this.value, not this.getValue(), to ignore readonly
this.classList.toggle("hasValue", !(this.value == null || this.value == ""));
}
// pass aria-attributes to our input node
if(changedProperties.has('ariaLabel') || changedProperties.has('ariaDescription'))
{
this._setAriaAttributes();
}
// @ts-ignore Popup sometimes loses the anchor which breaks the sizing
this._popup.handleAnchorChange();
}
/** Selected tree leaves */
@property()
set value(new_value : string | string[])
{
if(!new_value)new_value="";
// @ts-ignore handling invalid number type gracefully
if(typeof new_value === 'number')
{
new_value = ""+new_value;
}
if(typeof new_value === "string")
{
new_value = new_value.split(",")
}
const oldValue = this.__value;
// Filter to make sure there are no trailing commas or duplicates
this.__value = Array.from(new Set(<string[]>new_value.filter(v => v)));
this.displayLabel = "";
if(!this.multiple)
{
const option = this.optionSearch(this.__value[0], this.select_options, 'value', 'children');
if(option)
{
this.displayLabel = option.label;
}
}
this.requestUpdate("value", oldValue);
}
get value() : string | string[]
{
return this.multiple ? this.__value : (
this.__value?.length ? this.__value[0] : ""
);
}
get select_options() : SelectOption[]
{
return super.select_options;
}
set select_options(new_options : SelectOption[])
{
super.select_options = new_options;
// Overridden so we can update displayLabel in the case where value got set before selectOptions
if(this.value && !this.multiple)
{
const option = this.optionSearch(typeof this.value == "string" ? this.value : this.value[0], this.select_options, 'value', 'children');
if(option)
{
this.displayLabel = option.label;
}
}
}
/** Sets focus on the control. */
focus(options? : FocusOptions)
{
this.handleFocus();
}
/** Removes focus from the control. */
blur()
{
this.handleBlur();
}
/** Shows the tree. */
async show()
{
if(this.readonly || this.disabled)
{
this.open = false;
this.requestUpdate("open", true);
return this.updateComplete;
}
this.open = true;
this.requestUpdate("open", false)
if (this.openAtSelection)
{
//TODO check what to wait on, waiting on updateComplete does not work
setTimeout(() =>
this._tree.scrollToSelected(),100)
}
return this.updateComplete
}
/** Hides the tree. */
async hide()
{
if(!this.open || this.disabled)
{
return undefined;
}
this.open = false;
this._popup.active = false;
this._searchNode.value = "";
this.requestUpdate("open");
return this.updateComplete
}
private setCurrentTag(tag : Et2Tag)
{
this._tags.forEach(t =>
{
t.tabIndex = -1;
if(t.current)
{
t.current = false;
t.requestUpdate();
}
});
this.currentTag = tag;
if(tag)
{
this.currentTag.tabIndex = 0;
this.currentTag.current = true;
this.currentTag.requestUpdate();
this.currentTag.focus();
}
}
startSearch()
{
super.startSearch();
// Show the dropdown, that's where the results will go
this.open = true;
// Hide the tree
this.treeOrSearch = "search";
}
/**
* If you have a local list of options, you can search through them on the client and include them in the results.
*
* This is done independently from the server-side search, and the results are merged.
*
* @param {string} search
* @param {object} options
* @returns {Promise<any[]>}
* @protected
*/
protected localSearch<DataType extends SearchResult>(search : string, searchOptions : object, localOptions : DataType[] = []) : Promise<DataType[]>
{
return super.localSearch(search, searchOptions, this.select_options);
}
/**
* Toggles a search result's selected state
* Overridden to handle multiple attribute so only 1 result is selected
*/
protected toggleResultSelection(result : HTMLElement & SearchResultElement, force? : boolean)
{
if(!this.multiple)
{
this._resultNodes.forEach(t => t.selected = false);
}
super.toggleResultSelection(result, force);
}
protected searchResultSelected()
{
super.searchResultSelected();
const oldValue = [...this.value];
if(this.multiple && typeof this.value !== "undefined")
{
// Add in the new result(s), no duplicates
this.value = [...new Set([...this.value, ...this.selectedResults.map(el => el.value)])];
}
else if(typeof this.value !== "undefined")
{
// Just replace our value with whatever they chose
this.value = this.selectedResults[0]?.value ?? "";
}
// Done with search, show the tree
this.treeOrSearch = "tree";
// Close the dropdown, move on
if(!this.multiple || this.egw().preference("select_multiple_close") == "close")
{
this.blur();
}
else
{
this._tree.value = <string[]>this.value;
}
// Update values
this.updateComplete.then(() =>
{
this.dispatchEvent(new Event("change", {bubbles: true}));
});
this._tree.requestUpdate("value", oldValue);
this.requestUpdate("value", oldValue);
}
private handleClearClick(event : MouseEvent)
{
event.stopPropagation();
if(this.value.length > 0)
{
this.value = [];
this.displayInput.focus({preventScroll: true});
// Emit after update
this.updateComplete.then(() =>
{
this.emit('sl-clear');
this.emit('sl-input');
this.emit('sl-change');
});
}
}
private handleClearMouseDown(event : MouseEvent)
{
// Don't lose focus or propagate events when clicking the clear button
event.stopPropagation();
event.preventDefault();
}
/**
* Keyboard events that the search input did not grab
* (tags, option navigation)
*
* @param {KeyboardEvent} event
*/
handleComboboxKeyDown(event : KeyboardEvent)
{
// Navigate between tags
if(this.currentTag && (["ArrowLeft", "ArrowRight", "Home", "End"].includes(event.key)))
{
let nextTagIndex = this._tags.indexOf(this.currentTag);
const tagCount = this._tags.length
switch(event.key)
{
case 'ArrowLeft':
nextTagIndex--;
break;
case 'ArrowRight':
nextTagIndex++;
break;
case 'Home':
nextTagIndex = 0;
break;
case 'End':
nextTagIndex = this._tags.length - 1;
break;
}
nextTagIndex = Math.max(0, nextTagIndex);
if(nextTagIndex < tagCount && this._tags[nextTagIndex])
{
this.setCurrentTag(this._tags[nextTagIndex]);
}
else
{
// Arrow back to search, or got lost
this._searchNode.focus();
}
event.stopPropagation();
return false;
}
// Remove tag
if(event.target instanceof Et2Tag && ["Delete", "Backspace"].includes(event.key))
{
const tags = this._tags;
let index = tags.indexOf(event.target);
event.target.dispatchEvent(new CustomEvent('sl-remove', {bubbles: true}));
index += event.key == "Delete" ? 1 : -1;
if(index >= 0 && index < tags.length)
{
this.setCurrentTag(this._tags[index]);
}
else
{
this._searchNode.focus();
}
event.stopPropagation();
return;
}
// Close popup if focus is on tree
if(["Escape"].includes(event.key))
{
this.hide();
event.stopPropagation();
return;
}
}
protected handleDocumentClick(event)
{
if(event.target == this || event.composedPath().includes(this))
{
return
}
if(this.open)
{
event.preventDefault();
this.hide()
}
if(this.hasFocus)
{
this.blur();
}
}
private handleFocus()
{
if(this.disabled || this.readonly)
{
return;
}
this.hasFocus = true;
// Should not be needed, but not firing the update
this.requestUpdate("hasFocus");
this.updateComplete.then(() =>
{
if(this._searchNode)
{
this._searchNode.focus();
}
else
{
this._tree.focus();
}
this.dispatchEvent(new Event("sl-focus"));
})
}
private handleBlur()
{
this.open = false;
this.treeOrSearch = "tree";
this.hasFocus = false;
this.resultsOpen = false;
this._popup.active = false;
// Should not be needed, but not firing the update
this.requestUpdate("resultsOpen");
this.requestUpdate("open");
this.requestUpdate("hasFocus");
this._searchNode?.blur();
clearTimeout(this._searchTimeout);
this.updateComplete.then(() =>
{
this.dispatchEvent(new Event("sl-blur"));
})
}
protected handleClick(event)
{
// Open if clicking somewhere in the widget
if(event.target.classList.contains("tree-dropdown__combobox"))
{
event.stopPropagation();
this.show();
this.handleFocus();
}
}
private handleSearchFocus(event)
{
this.hasFocus = true;
// Should not be needed, but not firing the update
this.requestUpdate("hasFocus");
// Reset tags to not take focus
this.setCurrentTag(null);
// Don't show if only tabbed into
if(!event.relatedTarget)
{
this.show();
}
}
private handleInternalBlur(event)
{
// Focus lost to some other internal component - ignore it
let o = event.relatedTarget;
while(o)
{
if(o == this.shadowRoot)
{
return;
}
o = o.parentNode;
}
this.handleBlur();
}
handleSearchKeyDown(event)
{
super.handleSearchKeyDown(event);
// Hide popup if focus is on search
if(["Escape"].includes(event.key))
{
this.hide();
event.stopPropagation();
return;
}
// Show options if popup is closed on arrow down or space
if((event.key == "ArrowDown" || event.key == " " && this._searchNode.value == "") && !this.open && !this.resultsOpen)
{
this.show();
event.stopPropagation();
event.preventDefault();
}
// Move to tree if popup is open & tree is showing
else if(event.key == "ArrowDown" && this.treeOrSearch == "tree")
{
this._tree.focus();
event.stopPropagation();
}
// Left at beginning goes to tags
if(this._searchNode.selectionStart == 0 && event.key == "ArrowLeft")
{
this.hide();
this._tags.forEach(t => t.tabIndex = 0);
if(this._tags.length > 0)
{
this.setCurrentTag(this._tags[this._tags.length - 1]);
}
event.stopPropagation();
return;
}
}
protected handleLabelClick()
{
this._searchNode.focus();
}
handleTagRemove(event : SlRemoveEvent, value : string)
{
// Find the tag value and remove it from current value
let valueArray = this.getValueAsArray();
const oldValue = valueArray.slice(0);
const index = valueArray.indexOf(value);
valueArray.splice(index, 1);
this.value = valueArray;
this.requestUpdate("value", oldValue);
// TODO: Clean up this scope violation
// sl-tree-item is not getting its selected attribute updated
Array.from(this._tree._tree.querySelectorAll('sl-tree-item')).forEach((e : SlTreeItem) =>
{
if(this.value.includes(e.id))
{
e.setAttribute("selected", "");
}
else
{
e.removeAttribute("selected");
}
});
this._tree.requestUpdate();
this.updateComplete.then(() =>
{
this.dispatchEvent(new Event("change", {bubbles: true}));
});
}
handleTreeChange(event)
{
const oldValue = this.value.slice(0);
// For single value, we can just grab selected from the tree. For multiple, we need to manage it.
if(!this.multiple)
{
this.value = event?.detail?.selection?.map(i => i.id || i.value) ?? []
}
else
{
const id = event?.detail?.selection?.map(i => i.id || i.value).pop();
if(id && !this.value.includes(id))
{
// Copy so LitElement knows it changed
this.value = [...this.value, id];
}
}
this.requestUpdate("value", oldValue);
this.updateComplete.then(() =>
{
this.dispatchEvent(new Event("change", {bubbles: true}));
});
if(!this.multiple || this.egw().preference("select_multiple_close") == "close")
{
this.blur();
}
}
handleTriggerClick(event)
{
if(this.disabled || this.readonly)
{
return;
}
event.stopPropagation();
this.hasFocus = true;
if(this.open)
{
this._popup.active = false;
this._searchNode.value = "";
}
else
{
this._popup.active = true;
}
this.open = this._popup.active;
this.treeOrSearch = "tree";
this.requestUpdate("open");
this.updateComplete.then(() =>
{
this._tree.style.minWidth = getComputedStyle(this).width;
this.focus();
})
}
/**
* Get the icon for the select option
*
* @param option
* @protected
*/
protected iconTemplate(option)
{
if(!option.icon && !option.im0)
{
return html``;
}
return html`
<et2-image slot="prefix" part="icon" src="${option.icon ?? option.im0}"></et2-image>`
}
inputTemplate()
{
let placeholder = "";
let image : symbol | TemplateResult = nothing;
if(this.disabled || this.readonly || (!this.open && this.multiple && this.value.length > 0))
{
placeholder = "";
}
else if(this.hasFocus)
{
placeholder = this.egw().lang("Search");
}
else
{
placeholder = this.emptyLabel || this.placeholder;
}
if(!this.multiple && this.value && !this.open)
{
const option = this.optionSearch(this.value, this.select_options, 'value', 'children');
image = option ? this.iconTemplate(option?.option ?? option) : null;
}
if(this.disabled || this.readonly)
{
return html`${image}${this.displayLabel || this.emptyLabel || placeholder}`;
}
return html`
${image}
<input id="search" type="text" part="input"
class="tree-dropdown__search search__input"
autocomplete="off"
spellcheck="false"
autocapitalize="off"
aria-controls="listbox"
aria-expanded=${this.open ? 'true' : 'false'}
aria-haspopup="listbox"
aria-labelledby="label"
aria-disabled=${this.disabled ? 'true' : 'false'}
aria-describedby="help-text"
role="combobox"
?disabled=${this.disabled}
?readonly=${this.readonly}
placeholder="${placeholder}"
tabindex="0"
.value=${this.hasFocus ? "" : this.displayLabel}
@keydown=${this.handleSearchKeyDown}
@blur=${this.handleInternalBlur}
@focus=${this.handleSearchFocus}
@paste=${this.handlePaste}
/>
<input
class="tree-dropdown__value-input"
type="text"
?disabled=${this.disabled}
?required=${this.required}
.value=${Array.isArray(this.value) ? this.value.join(', ') : this.value}
tabindex="-1"
aria-hidden="true"
@focus=${this.handleFocus}
@blur=${this.handleBlur}
/>
`;
}
styleTemplate() : TemplateResult
{
return html``;
}
/**
* Tag used for rendering tags when multiple=true
* Used for creating, finding & filtering options.
* @see createTagNode()
* @returns {string}
*/
public get tagTag() : StaticValue
{
return literal`et2-tag`;
}
/**
* Shows the currently selected values as tags when multiple=true
*
* @returns {TemplateResult}
*/
tagsTemplate()
{
const value = this.getValueAsArray();
return html`
<div part="tags" class="tree-dropdown__tags">
${map(value, (value, index) =>
{
// Deal with value that is not in options
const option = this.optionSearch(value, this.select_options, 'value', 'children');
return option ? this.tagTemplate(option) : nothing;
})}
</div>`;
}
tagTemplate(option : TreeItemData)
{
const readonly = (this.readonly || option && typeof (option.disabled) != "undefined" && option.disabled);
const isEditable = false && !readonly;
const image = option ? this.iconTemplate(option?.option ?? option) : null;
const isValid = true;
const tagName = this.tagTag;
return html`
<${tagName}
part="tag"
exportparts="
base:tag__base,
content:tag__content,
remove-button:tag__remove-button,
remove-button__base:tag__remove-button__base,
icon:icon
"
class=${"tree_tag " + option.class ?? ""}
tabindex="-1"
variant=${isValid ? nothing : "danger"}
size=${this.size || "medium"}
title=${option.title}
?removable=${!readonly}
?readonly=${readonly}
?editable=${isEditable}
.value=${option.value || option.id}
@sl-remove=${(e : SlRemoveEvent) => this.handleTagRemove(e, option.value || option.id)}
@change=${this.handleTagEdit}
@dblclick=${this._handleDoubleClick}
@click=${typeof this.onTagClick == "function" ? (e) => this.onTagClick(e, e.target) : nothing}
>
${image ?? nothing}
${(option.label ?? option.text).trim()}
</${tagName}>
`;
}
public render()
{
const hasLabelSlot = this.hasSlotController.test('label');
const hasHelpTextSlot = this.hasSlotController.test('help-text');
const hasLabel = this.label ? true : !!hasLabelSlot;
const hasValue = this.value && this.value.length > 0;
const hasHelpText = this.helpText ? true : !!hasHelpTextSlot;
const hasClearIcon = this.clearable && !this.disabled && this.value.length > 0;
const isPlaceholderVisible = (this.placeholder || this.emptyLabel) && this.value.length === 0 && !this.disabled && !this.readonly;
let options = this.multiple || !this.emptyLabel ? this.select_options : [{
value: "",
label: this.emptyLabel
}, ...this.select_options];
return html`
<div
part="form-control"
class=${classMap({
'form-control': true,
'form-control--medium': true,
'form-control--has-label': hasLabel,
'form-control--has-help-text': hasHelpText
})}
>
<label
id="label"
part="form-control-label"
class="form-control__label"
aria-hidden=${hasLabel ? 'false' : 'true'}
>
<slot name="label">${this.label}</slot>
</label>
<div part="form-control-input" class="form-control-input">
<sl-popup
class=${classMap({
"tree-dropdown": true,
input: true,
'tree-dropdown--open': this.open,
'tree-dropdown--disabled': this.disabled,
'tree-dropdown--readonly': this.readonly,
'tree-dropdown--focused': this.hasFocus,
'tree-dropdown--multiple': this.multiple,
'tree-dropdown--placeholder-visible': isPlaceholderVisible,
'tree-dropdown--searching': this.treeOrSearch == "search",
'tree-dropdown--has-value': hasValue
})}
flip
shift
auto-size="both"
auto-size-padding="10"
?active=${this.open}
placement=${this.placement || "bottom"}
strategy="fixed"
?disabled=${this.disabled}
?readonly=${this.readonly}
@sl-after-hide=${() => {this.resultsOpen = false;}}
>
<div
part="combobox control"
class="tree-dropdown__combobox"
slot="anchor"
@keydown=${this.handleComboboxKeyDown}
@click=${this.handleClick}
>
<slot part="prefix" name="prefix" class="tree-dropdown__prefix"></slot>
${this.multiple ? this.tagsTemplate() : nothing}
${this.inputTemplate()}
${hasClearIcon
? html`
<button
part="clear-button"
class="select__clear"
type="button"
aria-label=${this.localize.term('clearEntry')}
@mousedown=${this.handleClearMouseDown}
@click=${this.handleClearClick}
tabindex="-1"
>
<slot name="clear-icon">
<sl-icon name="x-circle-fill" library="system"></sl-icon>
</slot>
</button>
`
: ''}
<slot part="suffix" name="suffix" class="tree-dropdown__suffix"></slot>
<slot name="expand-icon" part="expand-icon" class="tree-dropdown__expand-icon"
@click=${this.handleTriggerClick}>
<sl-icon library="system" name="chevron-down" aria-hidden="true"></sl-icon>
</slot>
</div>
${this.searchResultsTemplate()}
<et2-tree
.id=${this.id + "_tree"}
._parent=${this}
class="tree-dropdown__tree"
exportparts="label"
?readonly=${this.readonly}
?disabled=${this.disabled}
value=${this.multiple ? nothing : this.value}
._selectOptions=${options}
.actions=${this.actions}
.styleTemplate=${() => this.styleTemplate()}
.autoloading="${this.autoloading}"
?leafOnly = ${this.leafOnly}
@blur=${this.handleInternalBlur}
@et2-click=${(e) =>
{
// Always hide the popup when a tree item is clicked
// this.hide();
}}
@keydown=${this.handleComboboxKeyDown}
@sl-selection-change=${this.handleTreeChange}
>
</et2-tree>
</sl-popup>
</div>
<div
part="form-control-help-text"
id="help-text"
class="form-control__help-text"
aria-hidden=${hasHelpText ? 'false' : 'true'}
>
<slot name="help-text">${this.helpText}</slot>
</div>
`
}
}
// @ts-ignore Type problems because of Et2WidgetWithSelectMixin
customElements.define("et2-tree-dropdown", Et2TreeDropdown);