From 55242f4a2580921518303cdb7f7041d891954037 Mon Sep 17 00:00:00 2001
From: MBelniak <belniakm@wp.pl>
Date: Sat, 28 Sep 2024 18:20:13 +0200
Subject: [PATCH] #7270 Add missing base styling to TreeTable

---
 components/lib/treetable/TreeTableBase.js | 135 +++++++++++++++++++++-
 1 file changed, 134 insertions(+), 1 deletion(-)

diff --git a/components/lib/treetable/TreeTableBase.js b/components/lib/treetable/TreeTableBase.js
index d7fe38ed1b..7893871a51 100644
--- a/components/lib/treetable/TreeTableBase.js
+++ b/components/lib/treetable/TreeTableBase.js
@@ -2,6 +2,138 @@ import { FilterMatchMode } from '../api/Api';
 import { ComponentBase } from '../componentbase/ComponentBase';
 import { classNames } from '../utils/Utils';
 
+const styles = `
+@layer primereact {
+    .p-treetable {
+        position: relative;
+    }
+    .p-treetable > .p-treetable-wrapper {
+        overflow: auto;
+    }
+    .p-treetable table {
+        border-collapse: collapse;
+        width: 100%;
+        table-layout: fixed;
+    }
+    .p-treetable .p-sortable-column {
+        cursor: pointer;
+        user-select: none;
+    }
+    .p-treetable-selectable .p-treetable-tbody > tr {
+        cursor: pointer;
+    }
+    .p-treetable-toggler {
+        cursor: pointer;
+        user-select: none;
+        display: inline-flex;
+        align-items: center;
+        justify-content: center;
+        flex-shrink: 0;
+        vertical-align: middle;
+        overflow: hidden;
+        position: relative;
+    }
+    .p-treetable-toggler + .p-checkbox {
+        vertical-align: middle;
+    }
+    .p-treetable-toggler + .p-checkbox + span {
+        vertical-align: middle;
+    }
+    /* Resizable */
+    .p-treetable-resizable > .p-treetable-wrapper {
+        overflow-x: auto;
+    }
+    .p-treetable-resizable .p-treetable-thead > tr > th,
+    .p-treetable-resizable .p-treetable-tfoot > tr > td,
+    .p-treetable-resizable .p-treetable-tbody > tr > td {
+        overflow: hidden;
+    }
+    .p-treetable-resizable .p-resizable-column {
+        background-clip: padding-box;
+        position: relative;
+    }
+    .p-treetable-resizable-fit .p-resizable-column:last-child .p-column-resizer {
+        display: none;
+    }
+    .p-treetable .p-column-resizer {
+        display: block;
+        position: absolute;
+        top: 0;
+        right: 0;
+        margin: 0;
+        width: 0.5rem;
+        height: 100%;
+        padding: 0px;
+        cursor: col-resize;
+        border: 1px solid transparent;
+    }
+    .p-treetable .p-column-resizer-helper {
+        width: 1px;
+        position: absolute;
+        z-index: 10;
+        display: none;
+    }
+    /* Scrollable */
+    .p-treetable-scrollable-wrapper {
+        position: relative;
+    }
+    .p-treetable-scrollable-header,
+    .p-treetable-scrollable-footer {
+        overflow: hidden;
+        border: 0 none;
+    }
+    .p-treetable-scrollable-body {
+        overflow: auto;
+        position: relative;
+    }
+    .p-treetable-virtual-table {
+        position: absolute;
+    }
+    /* Frozen Columns */
+    .p-treetable-frozen-view .p-treetable-scrollable-body {
+        overflow: hidden;
+    }
+    .p-treetable-unfrozen-view {
+        position: absolute;
+        top: 0px;
+        left: 0px;
+    }
+    /* Reorder */
+    .p-treetable-reorder-indicator-up,
+    .p-treetable-reorder-indicator-down {
+        position: absolute;
+        display: none;
+    }
+    /* Loader */
+    .p-treetable .p-treetable-loading-overlay {
+        position: absolute;
+        display: flex;
+        align-items: center;
+        justify-content: center;
+        z-index: 2;
+    }
+    /* Alignment */
+    .p-treetable .p-treetable-thead > tr > th.p-align-left > .p-column-header-content,
+    .p-treetable .p-treetable-tbody > tr > td.p-align-left,
+    .p-treetable .p-treetable-tfoot > tr > td.p-align-left {
+        text-align: left;
+        justify-content: flex-start;
+    }
+    .p-treetable .p-treetable-thead > tr > th.p-align-right > .p-column-header-content,
+    .p-treetable .p-treetable-tbody > tr > td.p-align-right,
+    .p-treetable .p-treetable-tfoot > tr > td.p-align-right {
+        text-align: right;
+        justify-content: flex-end;
+    }
+    .p-treetable .p-treetable-thead > tr > th.p-align-center > .p-column-header-content,
+    .p-treetable .p-treetable-tbody > tr > td.p-align-center,
+    .p-treetable .p-treetable-tfoot > tr > td.p-align-center {
+        text-align: center;
+        justify-content: center;
+    }
+}
+`;
+
 const classes = {
     root: ({ props, isRowSelectionMode }) =>
         classNames('p-treetable p-component', {
@@ -168,6 +300,7 @@ export const TreeTableBase = ComponentBase.extend({
         children: undefined
     },
     css: {
-        classes
+        classes,
+        styles
     }
 });