440 lines
12 KiB
JavaScript
440 lines
12 KiB
JavaScript
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/**
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@license
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Copyright (c) 2022 trading_peter
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This program is available under Apache License Version 2.0
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*/
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import '@tp/tp-scroll-threshold/tp-scroll-threshold.js';
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import '@lit-labs/virtualizer';
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import '@tp/tp-icon/tp-icon.js';
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import '@tp/tp-checkbox/tp-checkbox.js';
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import './tp-table-item.js';
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import { DomQuery } from '@tp/helpers/dom-query.js';
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import { closest } from '@tp/helpers/closest.js';
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import ColumResizer from './column-resizer.js';
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import { LitElement, html, css, svg } from 'lit';
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export class TpTable extends DomQuery(LitElement) {
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static get styles() {
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return [
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css`
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:host {
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display: block;
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padding: 20px;
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position: relative;
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}
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[hidden] {
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display: none;
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}
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.wrap {
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overflow-y: auto;
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position: absolute;
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left: 0;
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right: 0;
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top: 0;
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bottom: 0;
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display: flex;
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flex-direction: column;
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}
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.list {
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position: relative;
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flex: 1;
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}
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#tableHeader {
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display: grid;
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overflow-x: hidden;
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}
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#virtualList,
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.empty-message {
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position: absolute !important;
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left: 0;
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right: 0;
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top: 0;
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bottom: 0;
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}
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#virtualList {
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height: auto;
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}
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.empty-message {
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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}
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a.sort-link,
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a.no-sort-link {
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text-decoration: none;
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font-weight: bold;
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position: relative;
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border-right: solid 1px #c1c1c1;
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padding: 10px 20px 10px 20px;
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display: flex;
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flex-direction: row;
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overflow: hidden;
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cursor: pointer;
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user-select: none;
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}
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a.sort-link:hover,
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a.no-sort-link:hover {
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border-right: solid 1px #c1c1c1;
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}
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a.sort-link tp-icon {
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position: absolute;
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left: 0;
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--tp-icon-width: 18px;
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--tp-icon-height: 18px;
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}
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div.col-label {
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flex: 1;
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text-overflow: ellipsis;
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white-space: nowrap;
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}
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.width-handle {
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position: absolute;
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z-index: 1;
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top: 0;
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right: -2px;
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cursor: col-resize;
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width: 6px;
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height: 100%;
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}
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.width-handle > div {
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margin: auto;
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width: 2px;
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height: 100%;
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background: transparent;
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}
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#tableHeader:not(.col-dragging) a.sort-link .width-handle:hover > div {
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background: var(--pc-blue);
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}
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a.sort-link .width-handle.dragging {
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position: fixed;
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height: 300px;
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z-index: 100;
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border-style: none;
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width: 3px;
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background: linear-gradient(180deg, rgba(59, 164, 240, 1), rgba(59, 164, 240, 0));
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}
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.select-col {
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padding: 0px 20px 10px;
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}
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lit-virtualizer {
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overflow-x: hidden;
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}
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lit-virtualizer::-webkit-scrollbar {
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width: 12px;
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}
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lit-virtualizer::-webkit-scrollbar-track {
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background: var(--scrollbar-track);
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}
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lit-virtualizer::-webkit-scrollbar-thumb {
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background-color: var(--scrollbar-thumb);
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outline: none;
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border-radius: var(--scrollbar-thumb-border-radius, 4px);
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}
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[item]:not(.odd) {
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background: var(--table-bg-1);
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}
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[item].odd {
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background: var(--table-bg-2);
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}
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[item]:hover {
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background: var(--table-row-hl);
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--list-columns-h-borders: var(--list-columns-h-borders-hover);
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}
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`
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];
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}
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render() {
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const columns = this.columns || [];
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const items = this.items || [];
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return html`
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<div class="wrap">
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<div id="tableHeader" part="header" class="list-headline" @track=${this._colResizeTracked}>
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${this.selectable ? html`
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<div class="select-col"><tp-checkbox @checked-changed=${e => this._checkedChanged(e)}></tp-checkbox></div>
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` : null}
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${columns.map(column => this.renderColumnHeader(column))}
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</div>
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<div class="list">
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${this._emptyMessage}
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<lit-virtualizer id="virtualList" part="list" @scroll=${this._onScroll} scroller .items=${items} .renderItem=${(item, idx) => this.renderItem(item, idx, columns)}></lit-virtualizer>
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</div>
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<tp-scroll-threshold id="threshold" lowerThreshold="40"></tp-scroll-threshold>
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</div>
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`;
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}
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renderColumnHeader(column) {
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if (column.visible !== true && column.required !== true) return null;
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const { name, width, label, sortable } = column;
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const sorting = this.sorting || {};
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const isSortedBy = sorting.column === name;
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const sortDirection = isSortedBy ? sorting.direction : 'desc';
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const canSort = sortable !== false;
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return html`
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<a part="column-label" class="${canSort ? 'sort-link' : 'no-sort-link'}" @click=${() => canSort ? this._sort(column, sortDirection) : null} .type=${name} .width=${width}>
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${canSort ? html`
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<tp-icon part="sort-icon" .icon=${sortDirection === 'asc' ? TpTable.downIcon : TpTable.upIcon} ?hidden=${!isSortedBy}></tp-icon>
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` : null}
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<div class="col-label">${label}</div>
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<div class="width-handle" part="width-handle"><div part="width-handle-bar"></div></div>
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${this.renderColumnHeaderAddons(column)}
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</a>
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`;
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}
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renderColumnHeaderAddons(column) {
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return null;
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}
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static get downIcon() {
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return svg`<path fill="var(--tp-table-icon-color)" d="M7,10L12,15L17,10H7Z">`;
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}
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static get upIcon() {
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return svg`<path fill="var(--tp-table-icon-color)" d="M7,15L12,10L17,15H7Z">`;
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}
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renderItem(item, idx, columns) {
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return html`
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<tp-table-item
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exportparts="cell,odd,row"
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item
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.index=${idx}
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.item=${item}
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.selectable=${this.selectable}
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.columns=${columns}
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@selection-changed=${(e) => this._selectionChanged(e)}>
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</tp-table-item>
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`;
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}
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static get properties() {
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return {
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sorting: { type: Object },
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selectable: { type: Boolean },
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columns: { type: Array },
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_selItems: { type: Array },
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_visibleColumns: { type: Array },
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items: { type: Array },
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_advFilters: { type: Array },
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_advFilterActive: { type: Boolean },
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_advFilterFields: { type: Object },
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_filter: { type: String },
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_totalCount: { type: Number },
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};
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}
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constructor() {
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super();
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this._selItems = [];
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}
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updated(changes) {
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if (changes.has('columns')) {
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this._updateColumns();
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}
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}
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get _emptyMessage() {
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return null;
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}
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get sortingPath() {
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return `${this.dataKey}.sorting`;
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}
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get statusFilterPath() {
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return `${this.dataKey}.filtering.statusFilter`;
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}
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set filter(val) {
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this._advFilterActive = false;
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this._filter = this._clone(val);
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this.reloadPagedList();
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}
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set statusFilter(val) {
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this._statusFilter = this._clone(val);
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this.reloadPagedList();
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}
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set advancedFilter(val) {
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this._advFilterActive = val ? true : false;
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this._advFilters = this._clone(val);
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this.reloadPagedList();
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}
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firstUpdated() {
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this.shadowRoot.querySelector('tp-scroll-threshold').target = this.shadowRoot.querySelector('lit-virtualizer');
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new ColumResizer(this.$.tableHeader, '.width-handle');
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}
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_onScroll(e) {
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this.$.tableHeader.style.paddingRight = (this.$.virtualList.offsetWidth - this.$.virtualList.clientWidth) + 'px';
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this.$.tableHeader.scrollLeft = this.$.virtualList.scrollLeft;
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}
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shouldUpdate(changes) {
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if (changes.has('items')) {
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this._updateSelEntries();
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}
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return true;
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}
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_sort(column, direction) {
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if (this._draggedColumn) return;
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this.sorting = { column: column.name, direction: direction === 'asc' ? 'desc' : 'asc' };
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this.dispatchEvent(new CustomEvent('sorting-changed', { detail: this.sorting, bubbles: true, composed: true }));
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}
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_updateColumns() {
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this.$.tableHeader.style.gridTemplateColumns = this._updateColumnWidths(this.selectable ? [ '40px' ] : []).join(' ');
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}
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_updateColumnWidths(prepend) {
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return [ ...(prepend || []), ...this.columns.filter(col => col.required || col.visible).map(col => col.width) ];
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}
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_colResizeTracked(e) {
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const handle = closest(e.target, '.width-handle');
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const data = e.detail;
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if (data.state === 'start') {
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this._draggedColumn = true;
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const rect = handle.getBoundingClientRect();
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document.body.style.userSelect = 'none';
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handle.style.top = `${rect.top}px`;
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handle.style.left = `${rect.left}px`;
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handle.style.transform = `translateX(${data.dx}px)`;
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handle.classList.add('dragging');
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this.$.tableHeader.classList.add('col-dragging');
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} else if (data.state === 'end') {
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document.body.style.userSelect = '';
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handle.classList.remove('dragging');
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handle.style.transform = '';
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handle.style.top = '';
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handle.style.left = '';
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this.$.tableHeader.classList.remove('col-dragging');
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const colLink = closest(handle, 'a');
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const { type, width } = colLink;
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const newWidth = (parseInt(width, 10) + data.dx) + 'px';
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const colDef = this.columns.find(col => col.name === type);
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colDef.width = newWidth;
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this.columns = [...this.columns];
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setTimeout(() => {
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this._draggedColumn = false;
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this.dispatchEvent(new CustomEvent('column-width-changed', { detail: this.columns, bubbles: true, composed: true }));
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});
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} else if (data.state === 'track') {
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handle.style.transform = `translateX(${data.dx}px)`;
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}
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}
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clearTriggers() {
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if (this.$.threshold) {
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this.$.threshold.clearTriggers();
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}
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}
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_listOverflows() {
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return this.$.virtualList.scrollHeight > this.$.virtualList.offsetHeight;
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}
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_checkedChanged(e) {
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if (Array.isArray(this.items) === false) return;
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if (e.detail.value) {
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this._selectAll();
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} else {
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this._selectNone();
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}
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this.items = [...this.times];
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}
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_selectAll() {
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this.items.forEach((entry, idx) => {
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this.items[idx].__selected__ = true;
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});
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this._selectionChanged();
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}
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_selectNone() {
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this._items.forEach((entry, idx) => {
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this._items[idx].__selected__ = false;
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});
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this._selectionChanged();
|
||
|
|
}
|
||
|
|
|
||
|
|
_selectionChanged(e) {
|
||
|
|
if (this.__restoringSelection) return;
|
||
|
|
|
||
|
|
if (e !== undefined) {
|
||
|
|
const item = this._items.find(item => item._id === e.detail.item._id);
|
||
|
|
item.__selected__ = e.detail.selected;
|
||
|
|
}
|
||
|
|
|
||
|
|
this._selItems = this._items.filter(entry => entry.__selected__ === true);
|
||
|
|
this.dispatchEvent(new CustomEvent('item-selection-changed', { detail: this._selItems, bubbles: true, composed: true }));
|
||
|
|
}
|
||
|
|
|
||
|
|
_updateSelEntries() {
|
||
|
|
this._hiddenSelection = 0;
|
||
|
|
|
||
|
|
if (!this._items) {
|
||
|
|
this._selItems = [];
|
||
|
|
} else {
|
||
|
|
this._selItems.forEach(sel => {
|
||
|
|
const idx = this._items.findIndex(entry => entry._id === sel._id);
|
||
|
|
if (idx > -1) {
|
||
|
|
// Suppress rebuild of the selected invoices list.
|
||
|
|
// When we restore the selection on a filtered list of invoices we would loose the selection of hidden onces
|
||
|
|
// when _selectionChanged is triggered. So we set a flag that the observer is skipped.
|
||
|
|
this.__restoringSelection = true;
|
||
|
|
this._items[idx].__selected__ = true;
|
||
|
|
this.__restoringSelection = false;
|
||
|
|
} else {
|
||
|
|
this._hiddenSelection++;
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
window.customElements.define('tp-table', TpTable);
|