/// <summary>
/// Constructor of the tree view.
/// </summary>
public SystemTreeView(string editorWindowInstanceKey)
{
m_SystemTreeView = new TreeView(m_TreeViewRootItems, Constants.ListView.ItemHeight, MakeTreeViewItem, ReleaseTreeViewItem, BindTreeViewItem)
{
viewDataKey = $"{Constants.State.ViewDataKeyPrefix}{typeof(SystemScheduleWindow).FullName}+{editorWindowInstanceKey}",
selectionType = SelectionType.Single,
name = "SystemTreeView",
style = { flexGrow = 1 }
};
m_SystemTreeView.RegisterCallback <GeometryChangedEvent>(evt =>
{
if (m_ScrollToItemId == -1)
{
return;
}
var tempId = m_ScrollToItemId;
m_ScrollToItemId = -1;
if (m_SystemTreeView.FindItem(tempId) != null)
{
m_SystemTreeView.ScrollToItem(tempId);
}
});
m_SystemTreeView.onSelectionChange += OnSelectionChanged;
Add(m_SystemTreeView);
m_SystemDetailsVisualElement = new SystemDetailsVisualElement();
m_SearchEmptyMessage = new CenteredMessageElement {
Title = k_NoSystemsFoundTitle
};
m_SearchEmptyMessage.Hide();
Add(m_SearchEmptyMessage);
// Create list view for search results.
m_SystemListView = new ListView(m_ListViewFilteredItems, Constants.ListView.ItemHeight, MakeListViewItem, ReleaseListViewItem, BindListViewItem)
{
selectionType = SelectionType.Single,
name = "SystemListView",
style = { flexGrow = 1 }
};
m_SystemListView.RegisterCallback <PointerDownEvent>(evt =>
{
if (evt.button == (int)MouseButton.LeftMouse)
{
Selection.activeObject = null;
}
});
#if UNITY_2020_1_OR_NEWER
m_SystemListView.onSelectionChange += OnSelectionChanged;
#else
m_SystemListView.onSelectionChanged += OnSelectionChanged;
#endif
Add(m_SystemListView);
}
void CreateSystemDetailsSection()
{
m_SystemDetailsVisualElement = new SystemDetailsVisualElement();
SystemTreeView.onSelectionChange += (selectedItems) =>
{
var item = selectedItems.OfType <SystemTreeViewItem>().FirstOrDefault();
if (null == item)
{
return;
}
switch (item.System)
{
case null:
{
if (this.Contains(m_SystemDetailsVisualElement))
{
Remove(m_SystemDetailsVisualElement);
}
return;
}
}
// Remember last selected item id so that query information can be properly updated.
m_LastSelectedItemId = item.id;
m_LastSelectedItem = item;
// Start fresh.
if (this.Contains(m_SystemDetailsVisualElement))
{
Remove(m_SystemDetailsVisualElement);
}
m_SystemDetailsVisualElement.Target = item;
m_SystemDetailsVisualElement.SearchFilter = SearchFilter;
m_SystemDetailsVisualElement.Parent = this;
m_SystemDetailsVisualElement.LastSelectedItem = m_LastSelectedItem;
this.Add(m_SystemDetailsVisualElement);
};
}
