UnityMirror/xNode
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Code

Added node box selection

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This commit is contained in:
Thor Brigsted 2018-01-24 12:23:12 +01:00
parent f87af8d62f
commit d871b7bec4
2 changed files with 60 additions and 18 deletions
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50
Scripts/Editor/NodeEditorAction.cs
View File

@ -4,23 +4,21 @@ using UnityEngine;
namespace XNodeEditor {
public partial class NodeEditorWindow {
public enum NodeActivity { Idle, HoldHeader, DragHeader, HoldGrid, DragGrid }
public static NodeActivity currentActivity = NodeActivity.Idle;
public static bool isPanning { get; private set; }
public static Vector2[] dragOffset;
//private bool IsDraggingNode { get { return draggedNode != null; } }
private bool IsDraggingPort { get { return draggedOutput != null; } }
private bool IsHoveringPort { get { return hoveredPort != null; } }
private bool IsHoveringNode { get { return hoveredNode != null; } }
public bool CanDragNodeHeader { get; private set; }
public bool DidDragNodeHeader { get; private set; }
private XNode.Node hoveredNode = null;
//[NonSerialized] private XNode.Node draggedNode = null;
[NonSerialized] private XNode.NodePort hoveredPort = null;
[NonSerialized] private XNode.NodePort draggedOutput = null;
[NonSerialized] private XNode.NodePort draggedOutputTarget = null;
private Rect nodeRects;
private Vector2 dragBoxStart;
private UnityEngine.Object[] preBoxSelection;
public void Controls() {
wantsMouseMove = true;
@ -43,7 +41,7 @@ namespace XNodeEditor {
draggedOutputTarget = null;
}
Repaint();
} else if (CanDragNodeHeader) {
} else if (currentActivity == NodeActivity.HoldHeader || currentActivity == NodeActivity.DragHeader) {
for (int i = 0; i < Selection.objects.Length; i++) {
if (Selection.objects[i] is XNode.Node) {
XNode.Node node = Selection.objects[i] as XNode.Node;
@ -54,7 +52,17 @@ namespace XNodeEditor {
}
}
}
DidDragNodeHeader = true;
currentActivity = NodeActivity.DragHeader;
Repaint();
} else if (currentActivity == NodeActivity.HoldGrid) {
currentActivity = NodeActivity.DragGrid;
preBoxSelection = Selection.objects;
dragBoxStart = WindowToGridPosition(e.mousePosition);
Repaint();
} else if (currentActivity == NodeActivity.DragGrid) {
foreach (XNode.Node node in graph.nodes) {
}
Repaint();
}
} else if (e.button == 1 || e.button == 2) {
@ -90,8 +98,7 @@ namespace XNodeEditor {
if (!Selection.Contains(hoveredNode)) SelectNode(hoveredNode, e.control || e.shift);
else if (e.control || e.shift) DeselectNode(hoveredNode);
e.Use();
DidDragNodeHeader = false;
CanDragNodeHeader = true;
currentActivity = NodeActivity.HoldHeader;
dragOffset = new Vector2[Selection.objects.Length];
for (int i = 0; i < dragOffset.Length; i++) {
if (Selection.objects[i] is XNode.Node) {
@ -102,7 +109,8 @@ namespace XNodeEditor {
}
// If mousedown on grid background, deselect all
else if (!IsHoveringNode) {
Selection.activeObject = null;
currentActivity = NodeActivity.HoldGrid;
if (!e.control && !e.shift) Selection.activeObject = null;
}
}
break;
@ -121,10 +129,8 @@ namespace XNodeEditor {
draggedOutput = null;
draggedOutputTarget = null;
EditorUtility.SetDirty(graph);
Repaint();
AssetDatabase.SaveAssets();
} else if (CanDragNodeHeader) {
CanDragNodeHeader = false;
} else if (currentActivity == NodeActivity.DragHeader) {
AssetDatabase.SaveAssets();
} else if (!IsHoveringNode) {
// If click outside node, release field focus
@ -132,19 +138,20 @@ namespace XNodeEditor {
GUIUtility.hotControl = 0;
GUIUtility.keyboardControl = 0;
}
Repaint();
AssetDatabase.SaveAssets();
}
// If click node header, select single node.
if (IsHoveringNode && !DidDragNodeHeader && IsHoveringTitle(hoveredNode) && !(e.control || e.shift)) {
if (currentActivity == NodeActivity.HoldHeader && !(e.control || e.shift)) {
SelectNode(hoveredNode, false);
Repaint();
}
Repaint();
currentActivity = NodeActivity.Idle;
} else if (e.button == 1) {
if (!isPanning) {
if (IsHoveringNode && IsHoveringTitle(hoveredNode)) {
if (!Selection.Contains(hoveredNode)) SelectNode(hoveredNode,false);
if (!Selection.Contains(hoveredNode)) SelectNode(hoveredNode, false);
ShowNodeContextMenu();
} else if (!IsHoveringNode) {
ShowGraphContextMenu();
@ -158,6 +165,13 @@ namespace XNodeEditor {
else if (e.keyCode == KeyCode.D && e.control) DublicateSelectedNodes();
Repaint();
break;
case EventType.Ignore:
// If release mouse outside window
if (e.rawType == EventType.MouseUp && currentActivity == NodeActivity.DragGrid) {
Repaint();
currentActivity = NodeActivity.Idle;
}
break;
}
}

28
Scripts/Editor/NodeEditorGUI.cs
View File

@ -21,6 +21,7 @@ namespace XNodeEditor {
DrawConnections();
DrawDraggedConnection();
DrawNodes();
DrawBox();
DrawTooltip();
GUI.matrix = m;
@ -71,6 +72,17 @@ namespace XNodeEditor {
GUI.DrawTextureWithTexCoords(rect, crossTex, new Rect(tileOffset + new Vector2(0.5f, 0.5f), tileAmount));
}
public void DrawBox() {
if (currentActivity == NodeActivity.DragGrid) {
Vector2 curPos = WindowToGridPosition(Event.current.mousePosition);
Vector2 size = curPos - dragBoxStart;
Rect r = new Rect(dragBoxStart, size);
r.position = GridToWindowPosition(r.position);
r.size /= zoom;
Handles.DrawSolidRectangleWithOutline(r, new Color(0, 0, 0, 0.1f), new Color(1, 1, 1, 0.6f));
}
}
public static bool DropdownButton(string name, float width) {
return GUILayout.Button(name, EditorStyles.toolbarDropDown, GUILayout.Width(width));
}
@ -201,6 +213,8 @@ namespace XNodeEditor {
hoveredPort = null;
}
List<UnityEngine.Object> preSelection = new List<UnityEngine.Object>(preBoxSelection);
//Save guiColor so we can revert it
Color guiColor = GUI.color;
for (int n = 0; n < graph.nodes.Count; n++) {
@ -268,6 +282,19 @@ namespace XNodeEditor {
Rect windowRect = new Rect(nodePos, nodeSize);
if (windowRect.Contains(mousePos)) hoveredNode = node;
//If dragging a selection box, add nodes inside to selection
if (currentActivity == NodeActivity.DragGrid) {
Vector2 startPos = GridToWindowPosition(dragBoxStart);
Vector2 size = (mousePos - startPos) / zoom;
Rect r = new Rect(dragBoxStart, size);
Vector2 rpos = GridToWindowPosition(r.position);
if (size.x < 0) { rpos.x += size.x; size.x = Mathf.Abs(size.x); }
if (size.y < 0) { rpos.y += size.y; size.y = Mathf.Abs(size.y); }
r.position = rpos;
r.size = size;
if (windowRect.Overlaps(r)) preSelection.Add(node);
}
//Check if we are hovering any of this nodes ports
//Check input ports
foreach (XNode.NodePort input in node.Inputs) {
@ -288,6 +315,7 @@ namespace XNodeEditor {
GUILayout.EndArea();
}
if (e.type != EventType.Layout && currentActivity == NodeActivity.DragGrid) Selection.objects = preSelection.ToArray();
EndZoomed(position, zoom);
//If a change in hash is detected in the selected node, call OnValidate method.