void PasteUXML(string copyBuffer)
{
var importer = new BuilderVisualTreeAssetImporter(); // Cannot be cached because the StyleBuilder never gets reset.
importer.ImportXmlFromString(copyBuffer, out var pasteVta);
VisualElementAsset parent = null;
if (!m_Selection.isEmpty)
{
parent = m_Selection.selection.First().parent?.GetVisualElementAsset();
}
BuilderAssetUtilities.TransferAssetToAsset(m_PaneWindow.document, parent, pasteVta);
m_PaneWindow.document.AddStyleSheetToAllRootElements();
var selectionParentId = parent?.id ?? m_PaneWindow.document.visualTreeAsset.GetRootUXMLElementId();
VisualElementAsset newSelectedItem = pasteVta.templateAssets.FirstOrDefault(tpl => tpl.parentId == selectionParentId);
if (newSelectedItem == null)
{
newSelectedItem = pasteVta.visualElementAssets.FirstOrDefault(asset => asset.parentId == selectionParentId);
}
m_Selection.ClearSelection(null);
newSelectedItem.Select();
ScriptableObject.DestroyImmediate(pasteVta);
}
protected virtual void ElementSelectionChanged(List <VisualElement> elements)
{
if (m_SelectionMadeExternally)
{
return;
}
if (elements == null)
{
m_Selection.ClearSelection(this);
return;
}
m_Selection.ClearSelection(this);
foreach (var element in elements)
{
if (element.ClassListContains(BuilderConstants.ExplorerItemUnselectableClassName))
{
m_SelectionMadeExternally = true;
m_ElementHierarchyView.ClearSelection();
m_SelectionMadeExternally = false;
m_Selection.ClearSelection(this);
return;
}
m_Selection.AddToSelection(this, element);
}
}
public void DeleteSelection()
{
if (m_Selection.isEmpty)
{
return;
}
// Must save a copy of the selection here and then clear selection before
// we delete the elements. Otherwise the selection clearing will fail
// to remove the special selection objects because it won't be able
// to query parent information of selected elements (they have already
// been removed from the hierarchy).
var selectionCopy = m_Selection.selection.ToList();
m_Selection.ClearSelection(null, true);
bool somethingWasDeleted = false;
foreach (var element in selectionCopy)
{
somethingWasDeleted |= DeleteElement(element);
}
if (somethingWasDeleted)
{
JustNotify();
}
}
public bool NewDocument(bool checkForUnsavedChanges = true, bool unloadAllSubdocuments = true)
{
if (checkForUnsavedChanges && !document.CheckForUnsavedChanges())
{
return(false);
}
if (unloadAllSubdocuments)
{
document.GoToRootDocument(m_Viewport.documentRootElement, m_PaneWindow, true);
}
m_Selection.ClearSelection(null);
document.NewDocument(m_Viewport.documentRootElement);
m_Viewport.ResetView();
m_Inspector?.canvasInspector.Refresh();
m_Selection.NotifyOfHierarchyChange(document);
m_Selection.NotifyOfStylingChange(document);
m_Library?.ResetCurrentlyLoadedUxmlStyles();
SetCanvasTitle();
return(true);
}
void OnPick(MouseDownEvent evt)
{
var pickedElement = PickElement(evt.mousePosition);
if (pickedElement != null)
{
SetInnerSelection(pickedElement);
m_Selection.Select(this, pickedElement);
}
else
{
ClearInnerSelection();
m_Selection.ClearSelection(this);
}
evt.StopPropagation();
}
void OnPick(MouseDownEvent evt)
{
// Do not prevent zoom and pan
if (evt.button == 2 || (evt.ctrlKey && evt.altKey || (evt.button == (int)MouseButton.RightMouse && evt.altKey)))
{
return;
}
var pickedElement = PickElement(evt.mousePosition);
if (pickedElement != null)
{
m_Selection.Select(this, pickedElement);
SetInnerSelection(pickedElement);
if (evt.clickCount == 2)
{
var posInViewport = m_PickOverlay.ChangeCoordinatesTo(this, evt.localMousePosition);
BuilderInPlaceTextEditingUtilities.OpenEditor(pickedElement, this.ChangeCoordinatesTo(pickedElement, posInViewport));
}
}
else
{
ClearInnerSelection();
m_Selection.ClearSelection(this);
}
if (evt.button == (int)MouseButton.RightMouse)
{
if (pickedElement != null && m_ContextMenuManipulator != null)
{
pickedElement.SetProperty(BuilderConstants.ElementLinkedDocumentVisualElementVEPropertyName, pickedElement);
m_ContextMenuManipulator.RegisterCallbacksOnTarget(pickedElement);
m_ContextMenuManipulator.DisplayContextMenu(evt, pickedElement);
evt.StopPropagation();
}
}
else
{
evt.StopPropagation();
}
}
void NewDocument()
{
if (!CheckForUnsavedChanges())
{
return;
}
m_Selection.ClearSelection(null);
document.NewDocument(m_Viewport.documentElement);
m_Viewport.canvas.SetSizeFromDocumentSettings();
m_Inspector?.canvasInspector.Refresh();
m_Selection.NotifyOfHierarchyChange(document);
m_Selection.NotifyOfStylingChange(document);
m_Library?.ResetCurrentlyLoadedUxmlStyles();
SetViewportSubTitle();
}
void ElementSelected(VisualElement element)
{
if (m_SelectionMadeExternally)
{
return;
}
if (element == null)
{
m_Selection.ClearSelection(this);
return;
}
else if (element.ClassListContains(BuilderConstants.ExplorerItemUnselectableClassName))
{
m_SelectionMadeExternally = true;
m_ElementHierarchyView.ClearSelection();
m_SelectionMadeExternally = false;
m_Selection.ClearSelection(this);
return;
}
m_Selection.Select(this, element);
}
void OnPick(MouseDownEvent evt)
{
// Do not prevent zoom and pan
if (evt.button == 2 || (evt.ctrlKey && evt.altKey || (evt.button == (int)MouseButton.RightMouse && evt.altKey)))
{
return;
}
var pickedElement = PickElement(evt.mousePosition);
if (pickedElement != null)
{
SetInnerSelection(pickedElement);
m_Selection.Select(this, pickedElement);
}
else
{
ClearInnerSelection();
m_Selection.ClearSelection(this);
}
if (evt.button == (int)MouseButton.RightMouse)
{
if (pickedElement != null && m_ContextMenuManipulator != null)
{
pickedElement.SetProperty(BuilderConstants.ElementLinkedDocumentVisualElementVEPropertyName, pickedElement);
m_ContextMenuManipulator.RegisterCallbacksOnTarget(pickedElement);
m_ContextMenuManipulator.DisplayContextMenu(evt, pickedElement);
evt.StopPropagation();
}
}
else
{
evt.StopPropagation();
}
}
void OnPick(MouseDownEvent evt)
{
// Do not prevent zoom and pan
if (evt.button == 2 || (evt.ctrlKey && evt.altKey || (evt.button == (int)MouseButton.RightMouse && evt.altKey)))
{
return;
}
m_PickedElements.Clear();
var pickedElement = PickElement(evt.mousePosition, m_PickedElements);
if (pickedElement != null)
{
var timeSinceStartup = EditorApplication.timeSinceStartup;
var previousMouseRect = new Rect(
m_PreviousPickMousePosition.x - BuilderConstants.PickSelectionRepeatRectHalfSize,
m_PreviousPickMousePosition.y - BuilderConstants.PickSelectionRepeatRectHalfSize,
BuilderConstants.PickSelectionRepeatRectSize,
BuilderConstants.PickSelectionRepeatRectSize);
if (timeSinceStartup - m_PreviousPickMouseTime > BuilderConstants.PickSelectionRepeatMinTimeDelay && previousMouseRect.Contains(evt.mousePosition))
{
m_SameLocationPickCount++;
var offset = 0;
var index = m_PickedElements.IndexOf(pickedElement);
// For compound controls, we don't seem to have the actual field root element
// in the pickedElements list. So we get index == -1 here. We need to do
// some magic to select the proper parent element from the list then.
if (index < 0)
{
index = m_PickedElements.IndexOf(pickedElement.parent);
offset = 1;
}
var maxIndex = m_PickedElements.Count - 1;
var newIndex = index + m_SameLocationPickCount - offset;
if (newIndex > maxIndex)
{
m_SameLocationPickCount = 0;
}
else
{
pickedElement = m_PickedElements[newIndex];
}
}
else
{
m_SameLocationPickCount = 0;
}
m_PreviousPickMousePosition = evt.mousePosition;
m_PreviousPickMouseTime = EditorApplication.timeSinceStartup;
m_Selection.Select(this, pickedElement);
SetInnerSelection(pickedElement);
if (evt.clickCount == 2)
{
var posInViewport = m_PickOverlay.ChangeCoordinatesTo(this, evt.localMousePosition);
BuilderInPlaceTextEditingUtilities.OpenEditor(pickedElement, this.ChangeCoordinatesTo(pickedElement, posInViewport));
}
}
else
{
ClearInnerSelection();
m_Selection.ClearSelection(this);
}
if (evt.button == (int)MouseButton.RightMouse)
{
if (pickedElement != null && m_ContextMenuManipulator != null)
{
pickedElement.SetProperty(BuilderConstants.ElementLinkedDocumentVisualElementVEPropertyName, pickedElement);
m_ContextMenuManipulator.RegisterCallbacksOnTarget(pickedElement);
m_ContextMenuManipulator.DisplayContextMenu(evt, pickedElement);
evt.StopPropagation();
}
}
else
{
evt.StopPropagation();
}
}
public void ClearSelectionNotify()
{
m_Selection.ClearSelection(null);
m_Selection.NotifyOfHierarchyChange(null);
m_Selection.NotifyOfStylingChange(null);
}
