public BuilderExplorer(
BuilderPaneWindow paneWindow,
BuilderViewport viewport,
BuilderSelection selection,
BuilderClassDragger classDragger,
BuilderExplorerDragger explorerDragger,
BuilderElementContextMenu contextMenuManipulator,
VisualElement documentElementRoot,
bool includeDocumentElementRoot,
HighlightOverlayPainter highlightOverlayPainter,
string toolbarUxmlPath)
{
m_PaneWindow = paneWindow;
m_Viewport = viewport;
m_DocumentElementRoot = documentElementRoot;
m_IncludeDocumentElementRoot = includeDocumentElementRoot;
m_DocumentElement = viewport.documentRootElement;
AddToClassList(s_UssClassName);
m_ClassDragger = classDragger;
m_ExplorerDragger = explorerDragger;
m_SelectionMadeExternally = false;
m_Selection = selection;
// Query the UI
if (!string.IsNullOrEmpty(toolbarUxmlPath))
{
var template = BuilderPackageUtilities.LoadAssetAtPath <VisualTreeAsset>(toolbarUxmlPath);
template.CloneTree(this);
}
// Create the Hierarchy View.
m_ElementHierarchyView = new ElementHierarchyView(
m_PaneWindow,
m_DocumentElement,
selection, classDragger, explorerDragger,
contextMenuManipulator, ElementSelectionChanged, highlightOverlayPainter);
m_ElementHierarchyView.style.flexGrow = 1;
Add(m_ElementHierarchyView);
// Make sure the Hierarchy View gets focus when the pane gets focused.
primaryFocusable = m_ElementHierarchyView;
UpdateHierarchyAndSelection(false);
m_ShouldRebuildHierarchyOnStyleChange = true;
}
public ElementHierarchyView(
BuilderPaneWindow paneWindow,
VisualElement documentRootElement,
BuilderSelection selection,
BuilderClassDragger classDragger,
BuilderExplorerDragger explorerDragger,
BuilderElementContextMenu contextMenuManipulator,
Action <List <VisualElement> > selectElementCallback,
HighlightOverlayPainter highlightOverlayPainter)
{
m_PaneWindow = paneWindow;
m_DocumentRootElement = documentRootElement;
m_Selection = selection;
m_ClassDragger = classDragger;
m_ExplorerDragger = explorerDragger;
m_ContextMenuManipulator = contextMenuManipulator;
this.focusable = true;
m_SelectElementCallback = selectElementCallback;
hierarchyHasChanged = true;
hasUnsavedChanges = false;
m_SearchResultsHightlights = new List <VisualElement>();
this.RegisterCallback <FocusEvent>(e => m_TreeView?.Focus());
// HACK: ListView/TreeView need to clear their selections when clicking on nothing.
this.RegisterCallback <MouseDownEvent>(e =>
{
var leafTarget = e.leafTarget as VisualElement;
if (leafTarget.parent is ScrollView)
{
ClearSelection();
}
});
m_TreeViewHoverOverlay = highlightOverlayPainter;
m_Container = new VisualElement();
m_Container.name = "explorer-container";
m_Container.style.flexGrow = 1;
m_ClassDragger.builderHierarchyRoot = m_Container;
m_ExplorerDragger.builderHierarchyRoot = m_Container;
Add(m_Container);
m_ClassPillTemplate = AssetDatabase.LoadAssetAtPath <VisualTreeAsset>(
BuilderConstants.UIBuilderPackagePath + "/BuilderClassPill.uxml");
// Create TreeView.
m_TreeRootItems = new List <ITreeViewItem>();
m_TreeView = new TreeView(m_TreeRootItems, 20, MakeItem, FillItem);
#if UNITY_2020_1_OR_NEWER
m_TreeView.selectionType = SelectionType.Multiple;
#else
m_TreeView.selectionType = SelectionType.Single; // ListView/TreeView do not support selecting mutliple items via code.
#endif
m_TreeView.viewDataKey = "unity-builder-explorer-tree";
m_TreeView.style.flexGrow = 1;
#if UNITY_2020_1_OR_NEWER
m_TreeView.onSelectionChange += OnSelectionChange;
#else
m_TreeView.onSelectionChanged += OnSelectionChange;
#endif
#if UNITY_2019_3_OR_NEWER
m_TreeView.RegisterCallback <MouseDownEvent>(OnLeakedMouseClick);
#endif
m_Container.Add(m_TreeView);
m_ContextMenuManipulator.RegisterCallbacksOnTarget(m_Container);
}
public ElementHierarchyView(
BuilderPaneWindow paneWindow,
VisualElement documentRootElement,
BuilderSelection selection,
BuilderClassDragger classDragger,
BuilderExplorerDragger explorerDragger,
BuilderElementContextMenu contextMenuManipulator,
Action <List <VisualElement> > selectElementCallback,
HighlightOverlayPainter highlightOverlayPainter)
{
m_PaneWindow = paneWindow;
m_DocumentRootElement = documentRootElement;
m_Selection = selection;
m_ClassDragger = classDragger;
m_ExplorerDragger = explorerDragger;
m_ContextMenuManipulator = contextMenuManipulator;
this.focusable = true;
m_SelectElementCallback = selectElementCallback;
hierarchyHasChanged = true;
hasUnsavedChanges = false;
m_SearchResultsHightlights = new List <VisualElement>();
this.RegisterCallback <FocusEvent>(e => m_TreeView?.Focus());
// HACK: ListView/TreeView need to clear their selections when clicking on nothing.
this.RegisterCallback <MouseDownEvent>(e =>
{
var leafTarget = e.leafTarget as VisualElement;
if (leafTarget.parent is ScrollView)
{
m_PaneWindow.primarySelection.ClearSelection(null);
}
});
m_TreeViewHoverOverlay = highlightOverlayPainter;
m_Container = new VisualElement();
m_Container.name = "explorer-container";
m_Container.style.flexGrow = 1;
m_ClassDragger.builderHierarchyRoot = m_Container;
m_ExplorerDragger.builderHierarchyRoot = m_Container;
Add(m_Container);
m_ClassPillTemplate = BuilderPackageUtilities.LoadAssetAtPath <VisualTreeAsset>(
BuilderConstants.UIBuilderPackagePath + "/BuilderClassPill.uxml");
// Create TreeView.
m_TreeRootItems = new List <TreeViewItem>();
m_TreeView = new TreeView(20, MakeItem, FillItem);
m_TreeView.SetRootItems(m_TreeRootItems);
m_TreeViewController = m_TreeView.viewController as DefaultTreeViewController <VisualElement>;
m_TreeView.selectionType = SelectionType.Multiple;
m_TreeView.viewDataKey = "unity-builder-explorer-tree";
m_TreeView.style.flexGrow = 1;
m_TreeView.onSelectedIndicesChange += OnSelectionChange;
m_TreeView.RegisterCallback <MouseDownEvent>(OnLeakedMouseClick);
m_Container.Add(m_TreeView);
m_ContextMenuManipulator.RegisterCallbacksOnTarget(m_Container);
}