void OnParentGeometryChanged(GeometryChangedEvent geometryChangedEvent)
{
// Check if the parent window can no longer contain the target window.
// If the window is out of bounds, make one edge clamp to the border of the
// parent window.
if (target.layout.xMin < 0f)
{
target.style.positionLeft = StyleValue <float> .Create(0f);
target.style.positionRight = StyleValue <float> .Create(float.NaN);
}
if (target.layout.xMax > geometryChangedEvent.newRect.width)
{
target.style.positionLeft = StyleValue <float> .Create(float.NaN);
target.style.positionRight = StyleValue <float> .Create(0f);
}
if (target.layout.yMax > geometryChangedEvent.newRect.height)
{
target.style.positionTop = StyleValue <float> .Create(float.NaN);
target.style.positionBottom = StyleValue <float> .Create(0f);
}
if (target.layout.yMin < 0f)
{
target.style.positionTop = StyleValue <float> .Create(0f);
target.style.positionBottom = StyleValue <float> .Create(float.NaN);
}
}
void HandleResizeFromTopLeft(MouseMoveEvent mouseMoveEvent)
{
if (!m_Dragging)
{
return;
}
Vector2 relativeMousePosition = mouseMoveEvent.mousePosition - m_ResizeBeginMousePosition;
// Set anchor points for positioning
m_Container.style.positionTop = StyleValue <float> .Create(float.NaN);
m_Container.style.positionBottom = StyleValue <float> .Create(m_Container.parent.layout.height - m_Container.layout.yMax);
m_Container.style.positionLeft = StyleValue <float> .Create(float.NaN);
m_Container.style.positionRight = StyleValue <float> .Create(m_Container.parent.layout.width - m_Container.layout.xMax);
float newWidth = Mathf.Max(0f, m_ResizeBeginLayout.width - relativeMousePosition.x);
float newHeight = Mathf.Max(0f, m_ResizeBeginLayout.height - relativeMousePosition.y);
if (maintainAspectRatio)
{
newWidth = newHeight = Mathf.Min(newWidth, newHeight);
}
m_ResizeTarget.style.width = StyleValue <float> .Create(newWidth);
m_ResizeTarget.style.height = StyleValue <float> .Create(newHeight);
mouseMoveEvent.StopPropagation();
}
public void ApplyPosition(VisualElement target)
{
if (dockingLeft)
{
target.style.positionRight = StyleValue <float> .Create(float.NaN);
target.style.positionLeft = StyleValue <float> .Create(horizontalOffset);
}
else
{
target.style.positionLeft = StyleValue <float> .Create(float.NaN);
target.style.positionRight = StyleValue <float> .Create(horizontalOffset);
}
if (dockingTop)
{
target.style.positionBottom = StyleValue <float> .Create(float.NaN);
target.style.positionTop = StyleValue <float> .Create(verticalOffset);
}
else
{
target.style.positionTop = StyleValue <float> .Create(float.NaN);
target.style.positionBottom = StyleValue <float> .Create(verticalOffset);
}
}
void ApplySerializewindowLayouts(GeometryChangedEvent evt)
{
UnregisterCallback <GeometryChangedEvent>(ApplySerializewindowLayouts);
if (m_FloatingWindowsLayout != null)
{
// Restore master preview layout
m_FloatingWindowsLayout.previewLayout.ApplyPosition(m_MasterPreviewView);
m_MasterPreviewView.previewTextureView.style.width = StyleValue <float> .Create(m_FloatingWindowsLayout.masterPreviewSize.x);
m_MasterPreviewView.previewTextureView.style.height = StyleValue <float> .Create(m_FloatingWindowsLayout.masterPreviewSize.y);
// Restore blackboard layout
m_BlackboardProvider.blackboard.layout = m_FloatingWindowsLayout.blackboardLayout.GetLayout(this.layout);
previewManager.ResizeMasterPreview(m_FloatingWindowsLayout.masterPreviewSize);
}
else
{
m_FloatingWindowsLayout = new FloatingWindowsLayout();
}
// After the layout is restored from the previous session, start tracking layout changes in the blackboard.
m_BlackboardProvider.blackboard.RegisterCallback <GeometryChangedEvent>(StoreBlackboardLayoutOnGeometryChanged);
// After the layout is restored, track changes in layout and make the blackboard have the same behavior as the preview w.r.t. docking.
RegisterCallback <GeometryChangedEvent>(HandleEditorViewChanged);
}
Image CreatePreview(Texture texture)
{
var image = new Image { name = "preview", image = StyleValue<Texture>.Create(m_PreviewRenderHandle.texture ?? texture) };
image.AddManipulator(new Draggable(OnMouseDragPreviewMesh, true));
image.AddManipulator((IManipulator)Activator.CreateInstance(s_ContextualMenuManipulator, (Action<ContextualMenuPopulateEvent>)BuildContextualMenu));
return image;
}
public NodeView()
{
AddStyleSheetPath("NodeView_style");
SetSize(new Vector2(1280, 720));
style.alignItems = StyleValue <Align> .Create(Align.FlexStart);
SetupSobelExample(transform.position);
}
void UpdatePreviewVisibility()
{
if (m_Expanded)
{
RemoveFromClassList("collapsed");
AddToClassList("expanded");
m_PreviewResizeBorderFrame.visible = true;
style.positionLeft = StyleValue <float> .Create(float.NaN);
style.positionBottom = StyleValue <float> .Create(float.NaN);
style.positionRight = StyleValue <float> .Create(parent.layout.width - layout.xMax);
style.positionTop = StyleValue <float> .Create(layout.yMin);
previewTextureView.style.width = StyleValue <float> .Create(m_ExpandedPreviewSize.x);
previewTextureView.style.height = StyleValue <float> .Create(m_ExpandedPreviewSize.y);
}
else
{
m_ExpandedPreviewSize = previewTextureView.layout.size;
m_PreviewResizeBorderFrame.visible = false;
style.positionLeft = StyleValue <float> .Create(float.NaN);
style.positionBottom = StyleValue <float> .Create(float.NaN);
style.positionRight = StyleValue <float> .Create(parent.layout.width - layout.xMax);
style.positionTop = StyleValue <float> .Create(layout.yMin);
previewTextureView.style.width = StyleValue <float> .Create(0f);
previewTextureView.style.height = StyleValue <float> .Create(0f);
RemoveFromClassList("expanded");
AddToClassList("collapsed");
}
m_RecalculateLayout = true;
}
void ApplySerializewindowLayouts(GeometryChangedEvent evt)
{
UnregisterCallback <GeometryChangedEvent>(ApplySerializewindowLayouts);
if (m_FloatingWindowsLayout != null)
{
// Restore master preview layout
m_FloatingWindowsLayout.previewLayout.ApplyPosition(m_MasterPreviewView);
m_MasterPreviewView.previewTextureView.style.width = StyleValue <float> .Create(m_FloatingWindowsLayout.masterPreviewSize.x);
m_MasterPreviewView.previewTextureView.style.height = StyleValue <float> .Create(m_FloatingWindowsLayout.masterPreviewSize.y);
// Restore blackboard layout, and make sure that it remains in the view.
Rect blackboardRect = m_FloatingWindowsLayout.blackboardLayout.GetLayout(this.layout);
// Make sure the dimensions are sufficiently large.
blackboardRect.width = Mathf.Clamp(blackboardRect.width, 160f, m_GraphView.contentContainer.layout.width);
blackboardRect.height = Mathf.Clamp(blackboardRect.height, 160f, m_GraphView.contentContainer.layout.height);
// Make sure that the positionining is on screen.
blackboardRect.x = Mathf.Clamp(blackboardRect.x, 0f, Mathf.Max(1f, m_GraphView.contentContainer.layout.width - blackboardRect.width - blackboardRect.width));
blackboardRect.y = Mathf.Clamp(blackboardRect.y, 0f, Mathf.Max(1f, m_GraphView.contentContainer.layout.height - blackboardRect.height - blackboardRect.height));
// Set the processed blackboard layout.
m_BlackboardProvider.blackboard.layout = blackboardRect;
previewManager.ResizeMasterPreview(m_FloatingWindowsLayout.masterPreviewSize);
}
else
{
m_FloatingWindowsLayout = new FloatingWindowsLayout();
}
// After the layout is restored from the previous session, start tracking layout changes in the blackboard.
m_BlackboardProvider.blackboard.RegisterCallback <GeometryChangedEvent>(StoreBlackboardLayoutOnGeometryChanged);
// After the layout is restored, track changes in layout and make the blackboard have the same behavior as the preview w.r.t. docking.
RegisterCallback <GeometryChangedEvent>(HandleEditorViewChanged);
}
void OnMouseMove(MouseMoveEvent evt)
{
if (m_Active)
{
// The mouse position of is corrected according to the offset within the target
// element (m_LocalWorldOffset) to set the position relative to the mouse position
// when the dragging started.
Vector2 position = target.parent.WorldToLocal(evt.mousePosition) - m_LocalMosueOffset;
// Make sure that the object remains in the parent window
position.x = Mathf.Clamp(position.x, 0f, target.parent.layout.width - target.layout.width);
position.y = Mathf.Clamp(position.y, 0f, target.parent.layout.height - target.layout.height);
// While moving, use only the left and top position properties,
// while keeping the others NaN to not affect layout.
target.style.positionLeft = StyleValue <float> .Create(position.x);
target.style.positionTop = StyleValue <float> .Create(position.y);
target.style.positionRight = StyleValue <float> .Create(float.NaN);
target.style.positionBottom = StyleValue <float> .Create(float.NaN);
}
}
void OnGeometryChanged(GeometryChangedEvent geometryChangedEvent)
{
// Make the target clamp to the border of the window if the
// parent window becomes too small to contain it.
if (target.parent.layout.width < target.layout.width)
{
if (m_WindowDockingLayout.dockingLeft)
{
target.style.positionLeft = StyleValue <float> .Create(0f);
target.style.positionRight = StyleValue <float> .Create(float.NaN);
}
else
{
target.style.positionLeft = StyleValue <float> .Create(float.NaN);
target.style.positionRight = StyleValue <float> .Create(0f);
}
}
if (target.parent.layout.height < target.layout.height)
{
if (m_WindowDockingLayout.dockingTop)
{
target.style.positionTop = StyleValue <float> .Create(0f);
target.style.positionBottom = StyleValue <float> .Create(float.NaN);
}
else
{
target.style.positionTop = StyleValue <float> .Create(float.NaN);
target.style.positionBottom = StyleValue <float> .Create(0f);
}
}
}
void OnPreviewChanged()
{
m_PreviewTextureView.image = StyleValue <Texture> .Create(m_PreviewRenderHandle.texture ?? Texture2D.blackTexture);
m_PreviewTextureView.Dirty(ChangeType.Repaint);
}
public void Initialize(AbstractNode inNode, IEdgeConnectorListener connectorListener)
{
AddStyleSheetPath("Styles/NodeView");
AddToClassList("Node");
if (inNode == null)
{
return;
}
var contents = this.Q("contents");
m_ConnectorListener = connectorListener;
node = inNode;
persistenceKey = node.guid.ToString();
var priorityField = new IntegerField()
{
value = node.priority, name = "priority-field", visible = CalculatePriorityVisibility(node)
};
priorityField.OnValueChanged(e => node.priority = e.newValue);
titleContainer.Insert(1, priorityField);
m_PriorityField = priorityField;
m_TitleLabel = titleContainer.First(e => e.name == "title-label");
m_TitleLabel.RegisterCallback <MouseDownEvent>(OnTitleLabelMouseDown);
m_TitleField = new TextField
{
name = "title-field",
value = inNode.name,
visible = false
};
m_TitleField.style.positionType = PositionType.Absolute;
m_TitleField.RegisterCallback <FocusOutEvent>(e => { OnEditTitleTextFinished(); });
m_TitleField.RegisterCallback <KeyDownEvent>(OnTitleTextFieldKeyPressed);
titleContainer.shadow.Add(m_TitleField);
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))
{
var control = attribute.InstantiateControl(node, new ReflectionProperty(propertyInfo));
if (control != null)
{
m_ControlItems.Add(control);
}
}
}
foreach (var fieldInfo in node.GetType().GetFields(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic))
{
foreach (IControlAttribute attribute in fieldInfo.GetCustomAttributes(typeof(IControlAttribute), false))
{
var control = attribute.InstantiateControl(node, new ReflectionProperty(fieldInfo));
if (control != null)
{
m_ControlItems.Add(control);
}
}
}
}
if (m_ControlItems.childCount > 0)
{
contents.Add(controlsContainer);
}
// 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 <NodeSlot>());
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 SubGraphNode)
* {
* RegisterCallback<MouseDownEvent>(OnSubGraphDoubleClick);
* }*/
m_PortInputContainer.SendToBack();
// Remove this after updated to the correct API call has landed in trunk. ------------
VisualElement m_TitleContainer;
VisualElement m_ButtonContainer;
m_TitleContainer = this.Q("title");
// -----------------------------------------------------------------------------------
var settings = node as IHasSettings;
if (settings != null)
{
m_NodeSettingsView = new NodeSettingsView();
m_NodeSettingsView.visible = false;
Add(m_NodeSettingsView);
m_SettingsButton = new VisualElement {
name = "settings-button"
};
m_SettingsButton.Add(new VisualElement {
name = "icon"
});
m_Settings = settings.CreateSettingsElement();
m_SettingsButton.AddManipulator(new Clickable(() =>
{
UpdateSettingsExpandedState();
}));
// Remove this after updated to the correct API call has landed in trunk. ------------
m_ButtonContainer = new VisualElement {
name = "button-container"
};
m_ButtonContainer.style.flexDirection = StyleValue <FlexDirection> .Create(FlexDirection.Row);
m_ButtonContainer.Add(m_SettingsButton);
m_ButtonContainer.Add(m_CollapseButton);
m_TitleContainer.Add(m_ButtonContainer);
// -----------------------------------------------------------------------------------
//titleButtonContainer.Add(m_SettingsButton);
//titleButtonContainer.Add(m_CollapseButton);
RegisterCallback <GeometryChangedEvent>(OnGeometryChanged);
}
}
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 SubGraphNode)
{
RegisterCallback <MouseDownEvent>(OnSubGraphDoubleClick);
}
var masterNode = node as IMasterNode;
if (masterNode != null)
{
if (!masterNode.IsPipelineCompatible(RenderPipelineManager.currentPipeline))
{
IconBadge wrongPipeline = IconBadge.CreateError("The current render pipeline is not compatible with this node preview.");
Add(wrongPipeline);
VisualElement title = this.Q("title");
wrongPipeline.AttachTo(title, SpriteAlignment.LeftCenter);
}
}
m_PortInputContainer.SendToBack();
// Remove this after updated to the correct API call has landed in trunk. ------------
VisualElement m_TitleContainer;
VisualElement m_ButtonContainer;
m_TitleContainer = this.Q("title");
// -----------------------------------------------------------------------------------
var settings = node as IHasSettings;
if (settings != null)
{
m_NodeSettingsView = new NodeSettingsView();
m_NodeSettingsView.visible = false;
Add(m_NodeSettingsView);
m_SettingsButton = new VisualElement {
name = "settings-button"
};
m_SettingsButton.Add(new VisualElement {
name = "icon"
});
m_Settings = settings.CreateSettingsElement();
m_SettingsButton.AddManipulator(new Clickable(() =>
{
UpdateSettingsExpandedState();
}));
// Remove this after updated to the correct API call has landed in trunk. ------------
m_ButtonContainer = new VisualElement {
name = "button-container"
};
m_ButtonContainer.style.flexDirection = StyleValue <FlexDirection> .Create(FlexDirection.Row);
m_ButtonContainer.Add(m_SettingsButton);
m_ButtonContainer.Add(m_CollapseButton);
m_TitleContainer.Add(m_ButtonContainer);
// -----------------------------------------------------------------------------------
//titleButtonContainer.Add(m_SettingsButton);
//titleButtonContainer.Add(m_CollapseButton);
RegisterCallback <GeometryChangedEvent>(OnGeometryChanged);
}
}
public void ApplySize(VisualElement target)
{
target.style.width = StyleValue <float> .Create(size.x);
target.style.height = StyleValue <float> .Create(size.y);
}
