public object StartDragging(VisualElement item)
{
var items = _itemsContainer.Children().ToArray();
var context = new DraggingContext
{
items = items,
originalPositions = items.Select(t => t.layout).ToArray(),
draggedIndex = _itemsContainer.IndexOf(item),
myOriginalPosition = _itemsContainer.layout
};
Select(context.draggedIndex);
for (int i = 0; i < context.items.Length; ++i)
{
VisualElement child = context.items[i];
Rect rect = context.originalPositions[i];
child.style.position = PositionType.Absolute;
child.style.left = rect.x;
child.style.top = rect.y;
child.style.width = rect.width;
child.style.height = rect.height;
}
item.BringToFront();
_itemsContainer.style.width = context.myOriginalPosition.width;
_itemsContainer.style.height = context.myOriginalPosition.height;
return(context);
}
void UpdateCollapsibleAreaVisibility()
{
if (m_CollapsibleArea == null)
{
return;
}
bool displayBottom = expanded && extensionContainer.childCount > 0;
if (displayBottom)
{
if (m_CollapsibleArea.parent == null)
{
VisualElement contents = mainContainer.Q("contents");
if (contents == null)
{
return;
}
contents.Add(m_CollapsibleArea);
}
m_CollapsibleArea.BringToFront();
}
else
{
if (m_CollapsibleArea.parent != null)
{
m_CollapsibleArea.RemoveFromHierarchy();
}
}
}
public object StartDragging(VisualElement item)
{
//Fix all item so that they can be animated and we can control their positions
DraggingContext context = new DraggingContext();
context.items = m_ListContainer.Children().ToArray();
context.originalPositions = context.items.Select(t => t.layout).ToArray();
context.draggedIndex = m_ListContainer.IndexOf(item);
context.myOriginalPosition = m_ListContainer.layout;
Select(context.draggedIndex);
for (int i = 0; i < context.items.Length; ++i)
{
VisualElement child = context.items[i];
Rect rect = context.originalPositions[i];
child.style.position = PositionType.Absolute;
child.style.left = rect.x;
child.style.top = rect.y;
child.style.width = rect.width;
child.style.height = rect.height;
}
item.BringToFront();
m_ListContainer.style.width = context.myOriginalPosition.width;
m_ListContainer.style.height = context.myOriginalPosition.height;
return(context);
}
private void DeferredExecution(GeometryChangedEvent evt)
{
this.RegisterCallback <GeometryChangedEvent>(DeferredExecution);
this.style.color = new StyleColor(StyleKeyword.Initial);
maskedText.style.width = this.resolvedStyle.width;
maskedText.style.height = this.resolvedStyle.height;
maskedText.style.right = -4;
maskedText.style.top = -3;
maskedText.style.backgroundColor = new StyleColor(StyleKeyword.Initial);
VisualElementExtension.SetBorderWidth(maskedText, 2);
maskedInput.BringToFront();
}
bool StartDrag(VisualElement target, Vector2 mousePosition)
{
var startSuccess = StartDrag(target, mousePosition, m_DraggedElement);
if (!startSuccess)
{
return(startSuccess);
}
m_DraggedElement.BringToFront();
m_DraggedElement.AddToClassList(s_DraggedPreviewClassName);
// So we don't have a flashing element at the top left corner
// at the very start of the drag.
PerformDragInner(target, mousePosition);
return(startSuccess);
}
void CreateGraph()
{
m_GraphView = new AssetGraphView {
name = "Asset Dependency Graph",
};
VisualElement toolbar = CreateToolbar();
VisualElement toolbar2 = CreateFilterbar();
#if !UNITY_2019_1_OR_NEWER
rootVisualElement = this.GetRootVisualContainer();
#endif
rootVisualElement.Add(toolbar);
rootVisualElement.Add(toolbar2);
rootVisualElement.Add(m_GraphView);
m_GraphView.StretchToParentSize();
toolbar.BringToFront();
toolbar2.BringToFront();
}
private void StartDrag(MouseDownEvent e, int index)
{
if (e.button == (int)MouseButton.LeftMouse)
{
var mousePosition = _itemsContainer.WorldToLocal(e.mousePosition);
_dragFromIndex = index;
_dragToIndex = index;
_dragElement = _itemsContainer.ElementAt(index);
_dragElement.AddToClassList(ItemDraggingUssClassName);
_dragElement.BringToFront();
_dragElement.style.left = mousePosition.x;
_dragElement.style.top = mousePosition.y;
_itemsContainer.Insert(index, _dragPlaceholder);
this.CaptureMouse();
}
}
public void OnEnable()
{
m_GraphView = new AssetGraphView
{
name = "Asset Dependency Graph",
};
var toolbar = new VisualElement
{
style =
{
flexDirection = FlexDirection.Row,
flexGrow = 0,
backgroundColor = new Color(0.25f, 0.25f, 0.25f, 0.75f)
}
};
var options = new VisualElement
{
style = { alignContent = Align.Center }
};
toolbar.Add(options);
toolbar.Add(new Button(ExploreAsset)
{
text = "Explore Asset",
});
toolbar.Add(new Button(ClearGraph)
{
text = "Clear"
});
#if !UNITY_2019_1_OR_NEWER
rootVisualElement = this.GetRootVisualContainer();
#endif
rootVisualElement.Add(toolbar);
rootVisualElement.Add(m_GraphView);
m_GraphView.StretchToParentSize();
toolbar.BringToFront();
}
void UpdateCursorTrail()
{
VisualElement trail = null;
if (cursorTrail.Count > 0)
{
trail = trail = cursorTrail[0];
var hover = trail.userData as HoverAnimation;
if (hover != null)
{
hover.Reset();
}
cursorTrail.RemoveAt(0);
}
else
{
trail = new VisualElement();
trail.style.position = Position.Absolute;
trail.name = "trail";
trail.AddToClassList(cursorTrailClassname);
trail.style.backgroundColor = Color.blue;
trail.userData = new HoverAnimation(trail);
canvas.Add(trail);
}
trail.style.display = DisplayStyle.Flex;
Rect trailPos = new Rect(0, 0, trailSize, trailSize);
trailPos.center = cursor.layout.center;
trail.style.left = trailPos.x;
trail.style.top = trailPos.y;
trail.style.width = trailPos.width;
trail.style.height = trailPos.height;
cursor.BringToFront();
}
public Dialog(IPanel panel, VisualElement content)
{
AddToClassList(ussClassName);
// Set-up the label and text...
//this.AddManipulator(new Clickable(OnClickEvent));
m_Background = new VisualElement();
m_Background.AddToClassList(dialogBackgroundUssClassName);
m_Background.AddToClassList("unity-ui-document__child");
m_Background.AddManipulator(new Clickable(OnClickBackground));
// Add background to root
panel.TopRoot().Add(m_Background);
//panel.visualTree.Add(m_Background);
// Add dialog to background
m_Background.Add(this);
//hierarchy.Add(m_Background);
//Set up view
m_PanelView = new View("GR__Content");
this.Add(m_PanelView);
m_PanelView.isDefault = true;
m_PanelView.AddToClassList(dialogPanelUssClassName);
m_PanelView.Focus();
if (content != null)
{
m_PanelView.Add(content);
content.Focus();
}
m_Background.BringToFront();
this.BringToFront();
}
private void OnDragPerformEvent(DragPerformEvent evt)
{
var selection = DragAndDrop.GetGenericData("DragSelection") as List <ISelectable>;
if (!CanAcceptDrop(selection))
{
SetDragIndicatorVisible(false);
return;
}
if (m_InsertIndex != -1)
{
List <Tuple <VisualElement, VisualElement> > draggedElements = new List <Tuple <VisualElement, VisualElement> >();
foreach (ISelectable selectedElement in selection)
{
var draggedElement = selectedElement as VisualElement;
if (draggedElement != null && Contains(draggedElement))
{
draggedElements.Add(new Tuple <VisualElement, VisualElement>(FindSectionDirectChild(draggedElement), draggedElement));
}
}
if (draggedElements.Count == 0)
{
SetDragIndicatorVisible(false);
return;
}
// Sorts the dragged elements from their relative order in their parent
draggedElements.Sort((pair1, pair2) => { return(IndexOf(pair1.Item1).CompareTo(IndexOf(pair2.Item1))); });
int insertIndex = m_InsertIndex;
foreach (Tuple <VisualElement, VisualElement> draggedElement in draggedElements)
{
VisualElement sectionDirectChild = draggedElement.Item1;
int indexOfDraggedElement = IndexOf(sectionDirectChild);
if (!((indexOfDraggedElement == insertIndex) || ((insertIndex - 1) == indexOfDraggedElement)))
{
if (blackboard.moveItemRequested != null)
{
blackboard.moveItemRequested(blackboard, m_InsertIndex, draggedElement.Item2);
}
else
{
if (insertIndex == contentContainer.childCount)
{
sectionDirectChild.BringToFront();
}
else
{
sectionDirectChild.PlaceBehind(this[insertIndex]);
}
}
}
if (insertIndex > indexOfDraggedElement) // No need to increment the insert index for the next dragged element if the current dragged element is above the current insert location.
{
continue;
}
insertIndex++;
}
}
SetDragIndicatorVisible(false);
evt.StopPropagation();
}
public void Initialize(AbstractMaterialNode inNode, PreviewManager previewManager, IEdgeConnectorListener connectorListener)
{
AddStyleSheetPath("Styles/MaterialNodeView");
AddToClassList("MaterialNode");
if (inNode == null)
{
return;
}
var contents = this.Q("contents");
m_ConnectorListener = connectorListener;
node = inNode;
persistenceKey = node.guid.ToString();
UpdateTitle();
// Add controls container
var controlsContainer = new VisualElement {
name = "controls"
};
{
m_ControlsDivider = new VisualElement {
name = "divider"
};
m_ControlsDivider.AddToClassList("horizontal");
controlsContainer.Add(m_ControlsDivider);
m_ControlItems = new VisualElement {
name = "items"
};
controlsContainer.Add(m_ControlItems);
// Instantiate control views from node
foreach (var propertyInfo in node.GetType().GetProperties(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic))
{
foreach (IControlAttribute attribute in propertyInfo.GetCustomAttributes(typeof(IControlAttribute), false))
{
m_ControlItems.Add(attribute.InstantiateControl(node, propertyInfo));
}
}
}
if (m_ControlItems.childCount > 0)
{
contents.Add(controlsContainer);
}
if (node.hasPreview)
{
// Add actual preview which floats on top of the node
m_PreviewContainer = new VisualElement
{
name = "previewContainer",
clippingOptions = ClippingOptions.ClipAndCacheContents,
pickingMode = PickingMode.Ignore
};
m_PreviewImage = new Image
{
name = "preview",
pickingMode = PickingMode.Ignore,
image = Texture2D.whiteTexture,
};
{
// Add preview collapse button on top of preview
var collapsePreviewButton = new VisualElement {
name = "collapse"
};
collapsePreviewButton.Add(new VisualElement {
name = "icon"
});
collapsePreviewButton.AddManipulator(new Clickable(() =>
{
node.owner.owner.RegisterCompleteObjectUndo("Collapse Preview");
UpdatePreviewExpandedState(false);
}));
m_PreviewImage.Add(collapsePreviewButton);
}
m_PreviewContainer.Add(m_PreviewImage);
// Hook up preview image to preview manager
m_PreviewRenderData = previewManager.GetPreview(inNode);
m_PreviewRenderData.onPreviewChanged += UpdatePreviewTexture;
UpdatePreviewTexture();
// Add fake preview which pads out the node to provide space for the floating preview
m_PreviewFiller = new VisualElement {
name = "previewFiller"
};
m_PreviewFiller.AddToClassList("expanded");
{
var previewDivider = new VisualElement {
name = "divider"
};
previewDivider.AddToClassList("horizontal");
m_PreviewFiller.Add(previewDivider);
var expandPreviewButton = new VisualElement {
name = "expand"
};
expandPreviewButton.Add(new VisualElement {
name = "icon"
});
expandPreviewButton.AddManipulator(new Clickable(() =>
{
node.owner.owner.RegisterCompleteObjectUndo("Expand Preview");
UpdatePreviewExpandedState(true);
}));
m_PreviewFiller.Add(expandPreviewButton);
}
contents.Add(m_PreviewFiller);
UpdatePreviewExpandedState(node.previewExpanded);
}
// Add port input container, which acts as a pixel cache for all port inputs
m_PortInputContainer = new VisualElement
{
name = "portInputContainer",
clippingOptions = ClippingOptions.ClipAndCacheContents,
pickingMode = PickingMode.Ignore
};
Add(m_PortInputContainer);
AddSlots(node.GetSlots <MaterialSlot>());
UpdatePortInputs();
base.expanded = node.drawState.expanded;
RefreshExpandedState(); //This should not be needed. GraphView needs to improve the extension api here
UpdatePortInputVisibilities();
SetPosition(new Rect(node.drawState.position.x, node.drawState.position.y, 0, 0));
/*if (node is PreviewNode)
* {
* var resizeHandle = new Label { name = "resize", text = "" };
* resizeHandle.AddManipulator(new Draggable(OnResize));
* Add(resizeHandle);
* UpdateSize();
* }*/
if (node is SubGraphNode)
{
RegisterCallback <MouseDownEvent>(OnSubGraphDoubleClick);
}
m_PortInputContainer.SendToBack();
if (node.hasPreview)
{
m_PreviewFiller.BringToFront();
}
}
public void OnEnable()
{
m_GraphView = new AssetGraphView {
name = "Asset Dependency Graph",
};
#region Toolbar
var toolbar = new VisualElement {
style =
{
flexDirection = FlexDirection.Row,
flexGrow = 0,
backgroundColor = new Color(0.25f, 0.25f, 0.25f, 0.75f)
}
};
var options = new VisualElement {
style = { alignContent = Align.Center }
};
toolbar.Add(options);
toolbar.Add(new Button(ExploreAsset)
{
text = "Explore Asset",
});
toolbar.Add(new Button(ClearGraph)
{
text = "Clear"
});
toolbar.Add(new Button(ResetAllGroups)
{
text = "Reset"
});
codeToggle = new Toggle();
codeToggle.text = "Hide Scripts";
codeToggle.value = true;
codeToggle.RegisterValueChangedCallback(x => {
FilterAssetGroups();
});
toolbar.Add(codeToggle);
MaterialToggle = new Toggle();
MaterialToggle.text = "Hide Materials";
MaterialToggle.value = false;
MaterialToggle.RegisterValueChangedCallback(x => {
FilterAssetGroups();
});
toolbar.Add(MaterialToggle);
textureToggle = new Toggle();
textureToggle.text = "Hide Textures";
textureToggle.value = true;
textureToggle.RegisterValueChangedCallback(x => {
FilterAssetGroups();
});
toolbar.Add(textureToggle);
shaderToggle = new Toggle();
shaderToggle.text = "Hide Shaders";
shaderToggle.value = true;
shaderToggle.RegisterValueChangedCallback(x => {
FilterAssetGroups();
});
toolbar.Add(shaderToggle);
audioClipToggle = new Toggle();
audioClipToggle.text = "Hide Audioclips";
audioClipToggle.value = false;
audioClipToggle.RegisterValueChangedCallback(x => {
FilterAssetGroups();
});
toolbar.Add(audioClipToggle);
animationClipToggle = new Toggle();
animationClipToggle.text = "Hide Animationclips";
animationClipToggle.value = false;
animationClipToggle.RegisterValueChangedCallback(x => {
FilterAssetGroups();
});
toolbar.Add(animationClipToggle);
CustomToggle = new Toggle();
CustomToggle.text = "Hide Custom";
CustomToggle.value = true;
CustomToggle.RegisterValueChangedCallback(x => {
FilterAssetGroups();
});
toolbar.Add(CustomToggle);
var ts = new ToolbarSearchField();
ts.RegisterValueChangedCallback(x => {
if (string.IsNullOrEmpty(x.newValue))
{
m_GraphView.FrameAll();
return;
}
m_GraphView.ClearSelection();
// m_GraphView.graphElements.ForEach(y => { // BROKEN, Case 1268337
m_GraphView.graphElements.ToList().ForEach(y => {
if (y is Node node && y.title.IndexOf(x.newValue, System.StringComparison.OrdinalIgnoreCase) >= 0)
{
m_GraphView.AddToSelection(node);
}
});
m_GraphView.FrameSelection();
});
toolbar.Add(ts);
AlignmentToggle = new Toggle();
AlignmentToggle.text = "Horizontal Layout";
AlignmentToggle.value = false;
AlignmentToggle.RegisterValueChangedCallback(x => {
ResetAllGroups();
});
toolbar.Add(AlignmentToggle);
#endregion
#if !UNITY_2019_1_OR_NEWER
rootVisualElement = this.GetRootVisualContainer();
#endif
rootVisualElement.Add(toolbar);
rootVisualElement.Add(m_GraphView);
m_GraphView.StretchToParentSize();
toolbar.BringToFront();
}
// public bool DragPerform(DragPerformEvent evt, IEnumerable<ISelectable> selection, IDropTarget dropTarget)
public EventPropagation DragPerform(IMGUIEvent evt, IEnumerable <ISelectable> selection, IDropTarget dropTarget)
{
if (m_InsertIndex != -1)
{
List <VisualElementPair> draggedElements = new List <VisualElementPair>();
foreach (ISelectable selectedElement in selection)
{
var draggedElement = selectedElement as VisualElement;
if (draggedElement != null && Contains(draggedElement))
{
draggedElements.Add(new VisualElementPair(FindSectionDirectChild(draggedElement), draggedElement));
}
}
if (draggedElements.Count == 0)
{
SetDragIndicatorVisible(false);
return(EventPropagation.Continue);
}
// Sorts the dragged elements from their relative order in their parent
draggedElements.Sort((pair1, pair2) => { return(IndexOf(pair1.Item1).CompareTo(IndexOf(pair2.Item1))); });
int insertIndex = m_InsertIndex;
foreach (var draggedElement in draggedElements)
{
VisualElement sectionDirectChild = draggedElement.Item1;
int indexOfDraggedElement = IndexOf(sectionDirectChild);
if (!((indexOfDraggedElement == insertIndex) || ((insertIndex - 1) == indexOfDraggedElement)))
{
Blackboard blackboard = GetFirstAncestorOfType <Blackboard>();
if (blackboard.moveItemRequested != null)
{
blackboard.moveItemRequested(blackboard, m_InsertIndex, draggedElement.Item2);
}
else
{
if (insertIndex == contentContainer.childCount)
{
sectionDirectChild.BringToFront();
}
else
{
sectionDirectChild.PlaceBehind(this[insertIndex]);
}
}
}
if (insertIndex > indexOfDraggedElement) // No need to increment the insert index for the next dragged element if the current dragged element is above the current insert location.
{
continue;
}
insertIndex++;
}
}
SetDragIndicatorVisible(false);
return(EventPropagation.Stop);
}
public void OnEnable()
{
m_GraphView = new AssetGraphView
{
name = "Asset Dependency Graph",
};
var toolbar = new VisualElement
{
style =
{
flexDirection = FlexDirection.Row,
flexGrow = 0,
backgroundColor = new Color(0.25f, 0.25f, 0.25f, 0.75f)
}
};
var options = new VisualElement
{
style = { alignContent = Align.Center }
};
toolbar.Add(options);
toolbar.Add(new Button(ExploreAsset)
{
text = "Explore Asset",
});
toolbar.Add(new Button(ClearGraph)
{
text = "Clear"
});
var ts = new ToolbarSearchField();
ts.RegisterValueChangedCallback(x => {
if (string.IsNullOrEmpty(x.newValue))
{
m_GraphView.FrameAll();
return;
}
m_GraphView.ClearSelection();
// m_GraphView.graphElements.ForEach(y => { // BROKEN, Case 1268337
m_GraphView.graphElements.ToList().ForEach(y => {
if (y is Node node && y.title.IndexOf(x.newValue, StringComparison.OrdinalIgnoreCase) >= 0)
{
m_GraphView.AddToSelection(node);
}
});
m_GraphView.FrameSelection();
});
toolbar.Add(ts);
#if !UNITY_2019_1_OR_NEWER
rootVisualElement = this.GetRootVisualContainer();
#endif
rootVisualElement.Add(toolbar);
rootVisualElement.Add(m_GraphView);
m_GraphView.StretchToParentSize();
toolbar.BringToFront();
}
