/
PinnedElementView.cs
132 lines (103 loc) · 3.37 KB
/
PinnedElementView.cs
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using UnityEditor.Experimental.GraphView;
using UnityEngine.UIElements;
using UnityEditor;
using UnityEngine;
using System;
namespace GraphProcessor
{
public abstract class PinnedElementView : GraphElement
{
protected PinnedElement pinnedElement;
protected VisualElement root;
protected VisualElement content;
protected VisualElement header;
protected event Action onResized;
VisualElement main;
Label titleLabel;
bool _scrollable;
ScrollView scrollView;
static readonly string pinnedElementStyle = "GraphProcessorStyles/PinnedElementView";
static readonly string pinnedElementTree = "GraphProcessorElements/PinnedElement";
public override string title
{
get { return titleLabel.text; }
set { titleLabel.text = value; }
}
protected bool scrollable
{
get
{
return _scrollable;
}
set
{
if (_scrollable == value)
return;
_scrollable = value;
style.position = Position.Absolute;
if (_scrollable)
{
content.RemoveFromHierarchy();
root.Add(scrollView);
scrollView.Add(content);
AddToClassList("scrollable");
}
else
{
scrollView.RemoveFromHierarchy();
content.RemoveFromHierarchy();
root.Add(content);
RemoveFromClassList("scrollable");
}
}
}
public PinnedElementView()
{
var tpl = Resources.Load<VisualTreeAsset>(pinnedElementTree);
styleSheets.Add(Resources.Load<StyleSheet>(pinnedElementStyle));
main = tpl.CloneTree();
main.AddToClassList("mainContainer");
scrollView = new ScrollView(ScrollViewMode.VerticalAndHorizontal);
root = main.Q("content");
header = main.Q("header");
titleLabel = main.Q<Label>(name: "titleLabel");
content = main.Q<VisualElement>(name: "contentContainer");
hierarchy.Add(main);
capabilities |= Capabilities.Movable | Capabilities.Resizable;
style.overflow = Overflow.Hidden;
ClearClassList();
AddToClassList("pinnedElement");
this.AddManipulator(new Dragger { clampToParentEdges = true });
scrollable = false;
hierarchy.Add(new Resizer(() => onResized?.Invoke()));
RegisterCallback<DragUpdatedEvent>(e =>
{
e.StopPropagation();
});
title = "PinnedElementView";
}
public void InitializeGraphView(PinnedElement pinnedElement, BaseGraphView graphView)
{
this.pinnedElement = pinnedElement;
SetPosition(pinnedElement.position);
onResized += () => {
pinnedElement.position.size = layout.size;
};
RegisterCallback<MouseUpEvent>(e => {
pinnedElement.position.position = layout.position;
});
Initialize(graphView);
}
public void ResetPosition()
{
pinnedElement.position = new Rect(Vector2.zero, PinnedElement.defaultSize);
SetPosition(pinnedElement.position);
}
protected abstract void Initialize(BaseGraphView graphView);
~PinnedElementView()
{
Destroy();
}
protected virtual void Destroy() {}
}
}