TableViewOperations.cs
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using System.Collections.Generic;
using UnityEditor.IMGUI.Controls;
namespace Unity.PlasticSCM.Editor.UI.Tree
{
internal static class TableViewOperations
{
internal static int GetFirstSelectedRow(
TreeView treeView)
{
IList<int> selectedIds = treeView.GetSelection();
if (selectedIds.Count == 0)
return -1;
return selectedIds[0];
}
internal static void SelectFirstRow(
TreeView treeView)
{
int rowCount = treeView.GetRows().Count;
if (rowCount == 0)
return;
SetSelectionAndScroll(
treeView, new List<int> { 1 });
}
internal static void SelectDefaultRow(
TreeView treeView, int defaultRow)
{
int rowCount = treeView.GetRows().Count;
if (defaultRow == -1 || rowCount == 0)
return;
if (defaultRow >= rowCount)
defaultRow = rowCount - 1;
SetSelectionAndScroll(
treeView, new List<int> { defaultRow });
}
internal static void SetSelectionAndScroll(
TreeView treeView, List<int> idsToSelect)
{
treeView.SetSelection(
idsToSelect,
TreeViewSelectionOptions.FireSelectionChanged |
TreeViewSelectionOptions.RevealAndFrame);
}
internal static void ScrollToSelection(
TreeView treeView)
{
if (!treeView.HasSelection())
return;
int itemId = treeView.GetSelection()[0];
if (!IsVisible(itemId, treeView))
return;
treeView.FrameItem(itemId);
}
static bool IsVisible(int id, TreeView treeView)
{
foreach (TreeViewItem item in treeView.GetRows())
{
if (item.id == id)
return true;
}
return false;
}
}
}