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Et2TreeDropdown WIP
Initial commit. Sort of works.
This commit is contained in:
nathan
parent
b9f0ef7c41
commit
94a32d2800
159
api/js/etemplate/Et2Tree/Et2TreeDropdown.styles.ts
Normal file
159
api/js/etemplate/Et2Tree/Et2TreeDropdown.styles.ts
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@ -0,0 +1,159 @@
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import {css} from 'lit';
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export default css`
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.form-control .form-control__label {
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display: none;
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}
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.form-control .form-control__help-text {
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display: none;
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}
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/* Label */
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.form-control--has-label .form-control__label {
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display: inline-block;
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color: var(--sl-input-label-color);
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margin-bottom: var(--sl-spacing-3x-small);
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}
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.form-control--has-label.form-control--small .form-control__label {
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font-size: var(--sl-input-label-font-size-small);
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}
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.form-control--has-label.form-control--medium .form-control__label {
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font-size: var(--sl-input-label-font-size-medium);
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}
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.form-control--has-label.form-control--large .form-control__label {
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font-size: var(--sl-input-label-font-size-large);
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}
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/* Help text */
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.form-control--has-help-text .form-control__help-text {
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display: block;
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color: var(--sl-input-help-text-color);
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margin-top: var(--sl-spacing-3x-small);
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}
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.tree-dropdown__combobox {
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flex: 1;
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display: flex;
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flex-direction: row;
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flex-wrap: wrap;
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align-items: center;
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gap: 0.1rem 0.5rem;
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background-color: var(--sl-input-background-color);
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border: solid var(--sl-input-border-width) var(--sl-input-border-color);
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border-radius: var(--sl-input-border-radius-medium);
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font-size: var(--sl-input-font-size-medium);
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min-height: var(--sl-input-height-medium);
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max-height: calc(var(--height, 5) * var(--sl-input-height-medium));
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overflow-y: auto;
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padding-block: 0;
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padding-inline: var(--sl-input-spacing-medium);
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padding-top: 0.1rem;
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padding-bottom: 0.1rem;
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transition: var(--sl-transition-fast) color, var(--sl-transition-fast) border, var(--sl-transition-fast) box-shadow,
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var(--sl-transition-fast) background-color;
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}
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.tree-dropdown--disabled {
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background-color: var(--sl-input-background-color-disabled);
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border-color: var(--sl-input-border-color-disabled);
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color: var(--sl-input-color-disabled);
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opacity: 0.5;
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cursor: not-allowed;
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outline: none;
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}
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:not(.tree-dropdown--disabled).tree-dropdown--open,
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:not(.tree-dropdown--disabled).tree-dropdown--focused {
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background-color: var(--sl-input-background-color-focus);
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border-color: var(--sl-input-border-color-focus);
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box-shadow: 0 0 0 var(--sl-focus-ring-width) var(--sl-input-focus-ring-color);
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}
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/* Trigger */
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.tree-dropdown__trigger {
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max-width: initial;
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min-width: initial;
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flex: 0 0 1em;
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order: 21;
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margin-left: auto;
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}
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.tree-dropdown__trigger::part(base) {
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border: none;
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display: flex;
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align-items: center;
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}
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/* End trigger */
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.tree-dropdown__prefix {
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order: 1;
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}
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/* Search box */
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:host([readonly]) .tree-dropdown__search {
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display: none;
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}
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.tree-dropdown__search {
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flex: 1 1 auto;
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order: 10;
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min-width: 7em;
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border: none;
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outline: none;
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font-size: var(--sl-input-font-size-medium);
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padding-block: 0;
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padding-inline: var(--sl-input-spacing-medium);
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}
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.form-control--medium .tree-dropdown__search {
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/* Input same size as tags */
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height: calc(var(--sl-input-height-medium) * 0.8);
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}
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.tree-dropdown--disabled .tree-dropdown__search {
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cursor: not-allowed;
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}
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.tree-dropdown--readonly .tree-dropdown__search {
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cursor: default;
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}
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.tree-dropdown__suffix {
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order: 20;
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}
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/* Tree */
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sl-popup::part(popup) {
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font-size: var(--sl-font-size-medium);
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font-weight: var(--sl-font-weight-normal);
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box-shadow: var(--sl-shadow-large);
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background: var(--sl-panel-background-color);
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border: solid var(--sl-panel-border-width) var(--sl-panel-border-color);
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border-radius: var(--sl-border-radius-medium);
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padding-block: var(--sl-spacing-x-small);
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padding-inline: 0;
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overflow: auto;
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overscroll-behavior: none;
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z-index: var(--sl-z-index-dropdown);
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/* Make sure it adheres to the popup's auto size */
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max-width: var(--auto-size-available-width);
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/* This doesn't work for some reason, it's overwritten somewhere */
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--size: 1.8em;
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}
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`;
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295
api/js/etemplate/Et2Tree/Et2TreeDropdown.ts
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295
api/js/etemplate/Et2Tree/Et2TreeDropdown.ts
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@ -0,0 +1,295 @@
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import {html, LitElement, nothing} from "lit";
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import {Et2Tree, TreeItemData} from "./Et2Tree";
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import {Et2WidgetWithSelectMixin} from "../Et2Select/Et2WidgetWithSelectMixin";
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import {property} from "lit/decorators/property.js";
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import {classMap} from "lit/directives/class-map.js";
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import {HasSlotController} from "../Et2Widget/slot";
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import {keyed} from "lit/directives/keyed.js";
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import {map} from "lit/directives/map.js";
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import {SlDropdown, SlRemoveEvent} from "@shoelace-style/shoelace";
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import shoelace from "../Styles/shoelace";
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import styles from "./Et2TreeDropdown.styles";
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import {literal, StaticValue} from "lit/static-html.js";
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/**
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* @summary A tree that is hidden in a dropdown
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*
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* @dependency sl-dropdown
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* @dependency et2-tree
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* @dependency et2-tag
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*
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* @slot label - The input's label. Alternatively, you can use the `label` attribute.
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* @slot help-text - Text that describes how to use the input. Alternatively, you can use the `help-text` attribute.
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*
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* @event change - Emitted when the control's value changes.
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* @event sl-show - Emitted when the suggestion menu opens.
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* @event sl-after-show - Emitted after the suggestion menu opens and all animations are complete.
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* @event sl-hide - Emitted when the suggestion menu closes.
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* @event sl-after-hide - Emitted after the suggestion menu closes and all animations are complete.
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*
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* @csspart form-control - The form control that wraps the label, input, and help text.
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*/
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export class Et2TreeDropdown extends Et2WidgetWithSelectMixin(LitElement)
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{
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static get styles()
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{
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return [
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shoelace,
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...super.styles,
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styles
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];
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}
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/** Placeholder text to show as a hint when the select is empty. */
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@property() placeholder = "";
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@property({type: Boolean, reflect: true}) multiple = false;
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/** The component's help text. If you need to display HTML, use the `help-text` slot instead. */
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@property({attribute: 'help-text'}) helpText = "";
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/**
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* Indicates whether the dropdown is open. You can toggle this attribute to show and hide the tree, or you can
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* use the `show()` and `hide()` methods and this attribute will reflect the open state.
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*/
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@property({type: Boolean, reflect: true}) open = false;
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private get _popup() : SlDropdown { return this.shadowRoot.querySelector("sl-popup")}
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private get _tree() : Et2Tree { return this.shadowRoot.querySelector("et2-tree")}
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protected readonly hasSlotController = new HasSlotController(this, "help-text", "label");
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private __value : string[];
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constructor()
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{
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super();
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this.multiple = false;
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this.__value = [];
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}
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/** Selected tree leaves */
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@property()
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set value(new_value : string | string[])
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{
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if(typeof new_value === "string")
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{
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new_value = new_value.split(",")
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}
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const oldValue = this.__value;
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this.__value = <string[]>new_value;
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this.requestUpdate("value", oldValue);
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}
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get value() : string | string[]
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{
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return this.multiple ? this.__value : (
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this.__value?.length ? this.__value[0] : ""
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);
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}
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handleTagRemove(event : SlRemoveEvent, value : string)
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{
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// Find the tag value and remove it from current value
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const index = this.value.indexOf(value);
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this.value.splice(index, 1);
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this.requestUpdate("value");
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this.dispatchEvent(new Event("change", {bubbles: true}));
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}
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handleTreeChange(event)
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{
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const oldValue = this.value;
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this.value = this._tree.value;
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this.requestUpdate("value", oldValue);
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}
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handleTriggerClick()
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{
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if(this.open)
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{
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this._popup.active = false;
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}
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else
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{
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this._popup.active = true;
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}
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this.open = this._popup.active;
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}
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/**
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* Tag used for rendering tags when multiple=true
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* Used for creating, finding & filtering options.
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* @see createTagNode()
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* @returns {string}
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*/
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public get tagTag() : StaticValue
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{
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return literal`et2-tag`;
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}
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/**
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* Get the icon for the select option
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*
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* @param option
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* @protected
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*/
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protected iconTemplate(option)
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{
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if(!option.icon)
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{
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return html``;
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}
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return html`
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<et2-image slot="prefix" part="icon" style="width: var(--icon-width)"
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src="${option.icon}"></et2-image>`
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}
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inputTemplate()
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{
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return html`
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<input id="search" type="text" part="input"
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class="tree-dropdown__search"
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exportparts="base:search__base"
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autocomplete="off"
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?disabled=${this.disabled}
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?readonly=${this.readonly}
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placeholder="${this.hasFocus || this.value.length > 0 || this.disabled || this.readonly ? "" : this.placeholder}"
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tabindex="0"
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@keydown=${this.handleSearchKeyDown}
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@blur=${this.handleSearchBlur}
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@focus=${this.handleSearchFocus}
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@paste=${this.handlePaste}
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/>
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`;
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}
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tagsTemplate()
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{
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const value = this.getValueAsArray();
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return html`${keyed(this._valueUID, map(value, (value, index) => this.tagTemplate(this.optionSearch(value, this.select_options))))}`;
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}
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tagTemplate(option : TreeItemData)
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{
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const readonly = (this.readonly || option && typeof (option.disabled) != "undefined" && option.disabled);
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const isEditable = false && !readonly;
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const image = this.iconTemplate(option.option ?? option);
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return html`
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<et2-tag
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part="tag"
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exportparts="
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base:tag__base,
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content:tag__content,
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remove-button:tag__remove-button,
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remove-button__base:tag__remove-button__base,
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icon:icon
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"
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class=${"tree_tag " + option.class ?? ""}
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tabindex="-1"
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?pill=${this.pill}
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size=${this.size || "medium"}
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?removable=${!readonly}
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?readonly=${readonly}
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?editable=${isEditable}
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.value=${option.id}
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@sl-remove=${(e : SlRemoveEvent) => this.handleTagRemove(e, option.id)}
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@change=${this.handleTagEdit}
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@dblclick=${this._handleDoubleClick}
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@click=${typeof this.onTagClick == "function" ? (e) => this.onTagClick(e, e.target) : nothing}
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>
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${image ?? nothing}
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${option.text.trim()}
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</et2-tag>
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`;
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}
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public render()
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{
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const hasLabelSlot = this.hasSlotController.test('label');
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const hasHelpTextSlot = this.hasSlotController.test('help-text');
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const hasLabel = this.label ? true : !!hasLabelSlot;
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const hasHelpText = this.helpText ? true : !!hasHelpTextSlot;
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const isPlaceholderVisible = this.placeholder && this.value.length === 0 && !this.disabled && !this.readonly;
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return html`
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<div
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part="form-control"
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class=${classMap({
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'form-control': true,
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'form-control--medium': true,
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'form-control--has-label': hasLabel,
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'form-control--has-help-text': hasHelpText
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})}
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>
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<label
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id="label"
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part="form-control-label"
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class="form-control__label"
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aria-hidden=${hasLabel ? 'false' : 'true'}
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>
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<slot name="label">${this.label}</slot>
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</label>
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<div part="form-control-input" class="form-control-input">
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<sl-popup
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class=${classMap({
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"tree-dropdown": true,
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input: true,
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'tree-dropdown--open': this.open,
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'tree-dropdown--disabled': this.disabled,
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'tree-dropdown--readonly': this.readonly,
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'tree-dropdown--focused': this.hasFocus,
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'tree-dropdown--placeholder-visible': isPlaceholderVisible,
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})}
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strategy="fixed"
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flip
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shift
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sync="width"
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auto-size="vertical"
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auto-size-padding="10"
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?active=${this.open}
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placement=${this.placement || "bottom"}
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stay-open-on-select
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?disabled=${this.disabled}
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>
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<div
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part="combobox"
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class="tree-dropdown__combobox"
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slot="anchor"
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@keydown=${this.handleComboboxKeyDown}
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>
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<slot part="prefix" name="prefix" class="tree-dropdown__prefix"></slot>
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${this.tagsTemplate()}
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${this.inputTemplate()}
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${this.searching ? html`
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<sl-spinner class="tree-dropdown"></sl-spinner>` : nothing
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}
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<slot part="suffix" name="suffix" class="tree-dropdown__suffix"></slot>
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<et2-button caret class="tree-dropdown__trigger"
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@click=${this.handleTriggerClick}
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.noSubmit=${true}
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>
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</et2-button>
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</div>
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<et2-tree
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class="tree-dropdown__tree"
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multiple=${this.multiple}
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?readonly=${this.readonly}
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?disabled=${this.disabled}
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.value=${this.value}
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._selectOptions=${this.select_options}
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@change=${this.handleTreeChange}
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>
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</et2-tree>
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</sl-popup>
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</div>
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`
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}
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}
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customElements.define("et2-tree-dropdown", Et2TreeDropdown);
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@ -105,6 +105,7 @@ import "./Et2Vfs/Et2VfsUid";
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import "./Et2Textbox/Et2Password";
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import './Et2Textbox/Et2Searchbox';
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import "./Et2Tree/Et2Tree";
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import "./Et2Tree/Et2TreeDropdown";
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import "./Et2Tree/Et2MultiselectTree"
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@ -486,6 +486,7 @@ class Tree extends Etemplate\Widget
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ID on the form (addressbook edit):
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if tree overwrites selectbox options, selectbox will still work
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*/
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'value' => $cat['id'],
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'label' => $s,
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'title' => $cat['description']
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);
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