private void HandleGraphGUIEvents()
{
//mouse drag event handling.
switch (Event.current.type) {
// draw line while dragging.
case EventType.MouseDrag: {
switch (modifyMode) {
case ModifyMode.NONE: {
switch (Event.current.button) {
case 0:{// left click
if (Event.current.command) {
scalePoint = new ScalePoint(Event.current.mousePosition, NodeGUI.scaleFactor, 0);
modifyMode = ModifyMode.SCALING;
break;
}
selection = new AssetBundleGraphSelection(Event.current.mousePosition);
modifyMode = ModifyMode.SELECTING;
break;
}
case 2:{// middle click.
scalePoint = new ScalePoint(Event.current.mousePosition, NodeGUI.scaleFactor, 0);
modifyMode = ModifyMode.SCALING;
break;
}
}
break;
}
case ModifyMode.SELECTING: {
// do nothing.
break;
}
case ModifyMode.SCALING: {
var baseDistance = (int)Vector2.Distance(Event.current.mousePosition, new Vector2(scalePoint.x, scalePoint.y));
var distance = baseDistance / NodeGUI.SCALE_WIDTH;
var direction = (0 < Event.current.mousePosition.y - scalePoint.y);
if (!direction) distance = -distance;
// var before = NodeGUI.scaleFactor;
NodeGUI.scaleFactor = scalePoint.startScale + (distance * NodeGUI.SCALE_RATIO);
if (NodeGUI.scaleFactor < NodeGUI.SCALE_MIN) NodeGUI.scaleFactor = NodeGUI.SCALE_MIN;
if (NodeGUI.SCALE_MAX < NodeGUI.scaleFactor) NodeGUI.scaleFactor = NodeGUI.SCALE_MAX;
break;
}
}
HandleUtility.Repaint();
Event.current.Use();
break;
}
}
// mouse up event handling.
// use rawType for detect for detectiong mouse-up which raises outside of window.
switch (Event.current.rawType) {
case EventType.MouseUp: {
switch (modifyMode) {
/*
select contained nodes & connections.
*/
case ModifyMode.SELECTING: {
var x = 0f;
var y = 0f;
var width = 0f;
var height = 0f;
if (Event.current.mousePosition.x < selection.x) {
x = Event.current.mousePosition.x;
width = selection.x - Event.current.mousePosition.x;
}
if (selection.x < Event.current.mousePosition.x) {
x = selection.x;
width = Event.current.mousePosition.x - selection.x;
}
if (Event.current.mousePosition.y < selection.y) {
y = Event.current.mousePosition.y;
height = selection.y - Event.current.mousePosition.y;
}
if (selection.y < Event.current.mousePosition.y) {
y = selection.y;
height = Event.current.mousePosition.y - selection.y;
}
var activeObjectIds = new List<string>();
var selectedRect = new Rect(x, y, width, height);
foreach (var node in nodes) {
var nodeRect = new Rect(node.GetRect());
nodeRect.x = nodeRect.x * NodeGUI.scaleFactor;
nodeRect.y = nodeRect.y * NodeGUI.scaleFactor;
nodeRect.width = nodeRect.width * NodeGUI.scaleFactor;
nodeRect.height = nodeRect.height * NodeGUI.scaleFactor;
// get containd nodes,
if (nodeRect.Overlaps(selectedRect)) {
activeObjectIds.Add(node.Id);
}
}
foreach (var connection in connections) {
// get contained connection badge.
if (connection.GetRect().Overlaps(selectedRect)) {
activeObjectIds.Add(connection.Id);
}
}
if (Event.current.shift) {
// add current active object ids to new list.
foreach (var alreadySelectedObjectId in activeObject.idPosDict.ReadonlyDict().Keys) {
if (!activeObjectIds.Contains(alreadySelectedObjectId)) activeObjectIds.Add(alreadySelectedObjectId);
}
} else {
// do nothing, means cancel selections if nodes are not contained by selection.
}
Undo.RecordObject(this, "Select Objects");
activeObject = RenewActiveObject(activeObjectIds);
UpdateActivationOfObjects(activeObject);
selection = new AssetBundleGraphSelection(Vector2.zero);
modifyMode = ModifyMode.NONE;
HandleUtility.Repaint();
Event.current.Use();
break;
}
case ModifyMode.SCALING: {
modifyMode = ModifyMode.NONE;
break;
}
}
break;
}
}
}
public void OnGUI()
{
using (new EditorGUILayout.HorizontalScope(GUI.skin.box)) {
if (GUILayout.Button(reloadButtonTexture, GUILayout.Height(18))) {
Setup();
}
if (GUILayout.Button("Build (active build target is " + EditorUserBuildSettings.activeBuildTarget + ")", GUILayout.Height(18))) {
Run();
}
}
/*
scroll view.
*/
// var scaledScrollPos = Node.ScaleEffect(scrollPos);
scrollPos = EditorGUILayout.BeginScrollView(scrollPos);
// scrollPos = scrollPos + (movedScrollPos - scaledScrollPos);
{
// draw node window x N.
{
BeginWindows();
nodes.ForEach(node => node.DrawNode());
EndWindows();
}
// draw connection input point marks.
foreach (var node in nodes) {
node.DrawConnectionInputPointMark(currentEventSource, modifyMode == ModifyMode.CONNECT_STARTED);
}
// draw connections.
foreach (var con in connections) {
if (connectionThroughputs.ContainsKey(con.connectionId)) {
var throughputListDict = connectionThroughputs[con.connectionId];
con.DrawConnection(nodes, throughputListDict);
} else {
con.DrawConnection(nodes, new Dictionary<string, List<ThroughputAsset>>());
}
}
// draw connection output point marks.
foreach (var node in nodes) {
node.DrawConnectionOutputPointMark(currentEventSource, modifyMode == ModifyMode.CONNECT_STARTED, Event.current);
}
/*
draw connecting line if modifing connection.
*/
switch (modifyMode) {
case ModifyMode.CONNECT_STARTED: {
// from start node to mouse.
DrawStraightLineFromCurrentEventSourcePointTo(Event.current.mousePosition, currentEventSource);
break;
}
case ModifyMode.CONNECT_ENDED: {
// do nothing
break;
}
case ModifyMode.SELECTION_STARTED: {
GUI.DrawTexture(new Rect(selection.x, selection.y, Event.current.mousePosition.x - selection.x, Event.current.mousePosition.y - selection.y), selectionTex);
break;
}
}
/*
mouse drag event handling.
*/
switch (Event.current.type) {
// draw line while dragging.
case EventType.MouseDrag: {
switch (modifyMode) {
case ModifyMode.CONNECT_ENDED: {
switch (Event.current.button) {
case 0:{// left click
if (Event.current.command) {
scalePoint = new ScalePoint(Event.current.mousePosition, Node.scaleFactor, 0);
modifyMode = ModifyMode.SCALING_STARTED;
break;
}
selection = new AssetBundleGraphSelection(Event.current.mousePosition);
modifyMode = ModifyMode.SELECTION_STARTED;
break;
}
case 2:{// middle click.
scalePoint = new ScalePoint(Event.current.mousePosition, Node.scaleFactor, 0);
modifyMode = ModifyMode.SCALING_STARTED;
break;
}
}
break;
}
case ModifyMode.SELECTION_STARTED: {
// do nothing.
break;
}
case ModifyMode.SCALING_STARTED: {
var baseDistance = (int)Vector2.Distance(Event.current.mousePosition, new Vector2(scalePoint.x, scalePoint.y));
var distance = baseDistance / Node.SCALE_WIDTH;
var direction = (0 < Event.current.mousePosition.y - scalePoint.y);
if (!direction) distance = -distance;
// var before = Node.scaleFactor;
Node.scaleFactor = scalePoint.startScale + (distance * Node.SCALE_RATIO);
if (Node.scaleFactor < Node.SCALE_MIN) Node.scaleFactor = Node.SCALE_MIN;
if (Node.SCALE_MAX < Node.scaleFactor) Node.scaleFactor = Node.SCALE_MAX;
break;
}
}
HandleUtility.Repaint();
Event.current.Use();
break;
}
}
/*
mouse up event handling.
use rawType for detect for detectiong mouse-up which raises outside of window.
*/
switch (Event.current.rawType) {
case EventType.MouseUp: {
switch (modifyMode) {
/*
select contained nodes & connections.
*/
case ModifyMode.SELECTION_STARTED: {
var x = 0f;
var y = 0f;
var width = 0f;
var height = 0f;
if (Event.current.mousePosition.x < selection.x) {
x = Event.current.mousePosition.x;
width = selection.x - Event.current.mousePosition.x;
}
if (selection.x < Event.current.mousePosition.x) {
x = selection.x;
width = Event.current.mousePosition.x - selection.x;
}
if (Event.current.mousePosition.y < selection.y) {
y = Event.current.mousePosition.y;
height = selection.y - Event.current.mousePosition.y;
}
if (selection.y < Event.current.mousePosition.y) {
y = selection.y;
height = Event.current.mousePosition.y - selection.y;
}
var activeObjectIds = new List<string>();
var selectedRect = new Rect(x, y, width, height);
foreach (var node in nodes) {
var nodeRect = new Rect(node.GetRect());
nodeRect.x = nodeRect.x * Node.scaleFactor;
nodeRect.y = nodeRect.y * Node.scaleFactor;
nodeRect.width = nodeRect.width * Node.scaleFactor;
nodeRect.height = nodeRect.height * Node.scaleFactor;
// get containd nodes,
if (nodeRect.Overlaps(selectedRect)) {
activeObjectIds.Add(node.nodeId);
}
}
foreach (var connection in connections) {
// get contained connection badge.
if (connection.GetRect().Overlaps(selectedRect)) {
activeObjectIds.Add(connection.connectionId);
}
}
if (Event.current.shift) {
// add current active object ids to new list.
foreach (var alreadySelectedObjectId in activeObject.idPosDict.ReadonlyDict().Keys) {
if (!activeObjectIds.Contains(alreadySelectedObjectId)) activeObjectIds.Add(alreadySelectedObjectId);
}
} else {
// do nothing, means cancel selections if nodes are not contained by selection.
}
Undo.RecordObject(this, "Select Objects");
activeObject = RenewActiveObject(activeObjectIds);
UpdateActivationOfObjects(activeObject);
selection = new AssetBundleGraphSelection(Vector2.zero);
modifyMode = ModifyMode.CONNECT_ENDED;
HandleUtility.Repaint();
Event.current.Use();
break;
}
case ModifyMode.SCALING_STARTED: {
modifyMode = ModifyMode.CONNECT_ENDED;
break;
}
}
break;
}
}
// set rect for scroll.
if (nodes.Any()) {
GUILayoutUtility.GetRect(new GUIContent(string.Empty), GUIStyle.none, GUILayout.Width(spacerRectRightBottom.x), GUILayout.Height(spacerRectRightBottom.y));
}
}
EditorGUILayout.EndScrollView();
/*
detect
dragging some script into window.
right click.
connection end mouse up.
command(Delete, Copy, and more)
*/
switch (Event.current.type) {
// detect dragging script then change interface to "(+)" icon.
case EventType.DragUpdated: {
var refs = DragAndDrop.objectReferences;
foreach (var refe in refs) {
if (refe.GetType() == typeof(UnityEditor.MonoScript)) {
var type = ((MonoScript)refe).GetClass();
var inherited = IsAcceptableScriptType(type);
if (inherited != null) {
// at least one asset is script. change interface.
DragAndDrop.visualMode = DragAndDropVisualMode.Copy;
break;
}
}
}
break;
}
// script drop on editor.
case EventType.DragPerform: {
var pathAndRefs = new Dictionary<string, object>();
for (var i = 0; i < DragAndDrop.paths.Length; i++) {
var path = DragAndDrop.paths[i];
var refe = DragAndDrop.objectReferences[i];
pathAndRefs[path] = refe;
}
var shouldSave = false;
foreach (var item in pathAndRefs) {
var path = item.Key;
var refe = (MonoScript)item.Value;
if (refe.GetType() == typeof(UnityEditor.MonoScript)) {
var type = refe.GetClass();
var inherited = IsAcceptableScriptType(type);
if (inherited != null) {
var dropPos = Event.current.mousePosition;
var scriptName = refe.name;
var scriptType = scriptName;// name = type.
var scriptPath = path;
AddNodeFromCode(scriptName, scriptType, scriptPath, inherited, Guid.NewGuid().ToString(), dropPos.x, dropPos.y);
shouldSave = true;
}
}
}
if (shouldSave) SaveGraphWithReload();
break;
}
// show context menu
case EventType.ContextClick: {
var rightClickPos = Event.current.mousePosition;
var menu = new GenericMenu();
foreach (var menuItemStr in AssetBundleGraphSettings.GUI_Menu_Item_TargetGUINodeDict.Keys) {
var targetGUINodeNameStr = AssetBundleGraphSettings.GUI_Menu_Item_TargetGUINodeDict[menuItemStr];
menu.AddItem(
new GUIContent(menuItemStr),
false,
() => {
AddNodeFromGUI(string.Empty, targetGUINodeNameStr, Guid.NewGuid().ToString(), rightClickPos.x, rightClickPos.y);
SaveGraphWithReload();
Repaint();
}
);
}
menu.ShowAsContext();
break;
}
/*
handling mouse up
-> drag released -> release modifyMode.
*/
case EventType.MouseUp: {
modifyMode = ModifyMode.CONNECT_ENDED;
HandleUtility.Repaint();
if (activeObject.idPosDict.ReadonlyDict().Any()) {
Undo.RecordObject(this, "Unselect");
foreach (var activeObjectId in activeObject.idPosDict.ReadonlyDict().Keys) {
// unselect all.
foreach (var node in nodes) {
if (activeObjectId == node.nodeId) node.SetInactive();
}
foreach (var connection in connections) {
if (activeObjectId == connection.connectionId) connection.SetInactive();
}
}
activeObject = RenewActiveObject(new List<string>());
}
break;
}
/*
scale up or down by command & + or command & -.
*/
case EventType.KeyDown: {
if (Event.current.command) {
if (Event.current.shift && Event.current.keyCode == KeyCode.Semicolon) {
Node.scaleFactor = Node.scaleFactor + 0.1f;
if (Node.scaleFactor < Node.SCALE_MIN) Node.scaleFactor = Node.SCALE_MIN;
if (Node.SCALE_MAX < Node.scaleFactor) Node.scaleFactor = Node.SCALE_MAX;
Event.current.Use();
break;
}
if (Event.current.keyCode == KeyCode.Minus) {
Node.scaleFactor = Node.scaleFactor - 0.1f;
if (Node.scaleFactor < Node.SCALE_MIN) Node.scaleFactor = Node.SCALE_MIN;
if (Node.SCALE_MAX < Node.scaleFactor) Node.scaleFactor = Node.SCALE_MAX;
Event.current.Use();
break;
}
}
break;
}
case EventType.ValidateCommand: {
switch (Event.current.commandName) {
// Delete active node or connection.
case "Delete": {
if (!activeObject.idPosDict.ReadonlyDict().Any()) break;
Undo.RecordObject(this, "Delete Selection");
foreach (var targetId in activeObject.idPosDict.ReadonlyDict().Keys) {
DeleteNode(targetId);
DeleteConnectionById(targetId);
}
SaveGraphWithReload();
InitializeGraph();
activeObject = RenewActiveObject(new List<string>());
UpdateActivationOfObjects(activeObject);
Event.current.Use();
break;
}
case "Copy": {
if (!activeObject.idPosDict.ReadonlyDict().Any()) {
break;
}
Undo.RecordObject(this, "Copy Selection");
var targetNodeIds = activeObject.idPosDict.ReadonlyDict().Keys.ToList();
var targetNodeJsonRepresentations = JsonRepresentations(targetNodeIds);
copyField = new CopyField(targetNodeJsonRepresentations, CopyType.COPYTYPE_COPY);
Event.current.Use();
break;
}
case "Cut": {
if (!activeObject.idPosDict.ReadonlyDict().Any()) {
break;
}
Undo.RecordObject(this, "Cut Selection");
var targetNodeIds = activeObject.idPosDict.ReadonlyDict().Keys.ToList();
var targetNodeJsonRepresentations = JsonRepresentations(targetNodeIds);
copyField = new CopyField(targetNodeJsonRepresentations, CopyType.COPYTYPE_CUT);
foreach (var targetId in activeObject.idPosDict.ReadonlyDict().Keys) {
DeleteNode(targetId);
DeleteConnectionById(targetId);
}
SaveGraphWithReload();
InitializeGraph();
activeObject = RenewActiveObject(new List<string>());
UpdateActivationOfObjects(activeObject);
Event.current.Use();
break;
}
case "Paste": {
var nodeNames = nodes.Select(node => node.name).ToList();
var duplicatingData = new List<Node>();
if (copyField.datas.Any()) {
var pasteType = copyField.type;
foreach (var copyFieldData in copyField.datas) {
var nodeJsonDict = Json.Deserialize(copyFieldData) as Dictionary<string, object>;
var pastingNode = NodeFromJsonDict(nodes.Count, nodeJsonDict);
var pastingNodeName = pastingNode.name;
var nameOverlapping = nodeNames.Where(name => name == pastingNodeName).ToList();
switch (pasteType) {
case CopyType.COPYTYPE_COPY: {
if (2 <= nameOverlapping.Count) continue;
break;
}
case CopyType.COPYTYPE_CUT: {
if (1 <= nameOverlapping.Count) continue;
break;
}
}
duplicatingData.Add(pastingNode);
}
}
if (!duplicatingData.Any()) break;
Undo.RecordObject(this, "Paste");
foreach (var newNode in duplicatingData) {
DuplicateNode(newNode);
}
SaveGraphWithReload();
InitializeGraph();
Event.current.Use();
break;
}
case "SelectAll": {
Undo.RecordObject(this, "Select All Objects");
var nodeIds = nodes.Select(node => node.nodeId).ToList();
activeObject = RenewActiveObject(nodeIds);
// select all.
foreach (var node in nodes) {
node.SetActive();
}
foreach (var connection in connections) {
connection.SetActive();
}
Event.current.Use();
break;
}
default: {
break;
}
}
break;
}
}
}
