SamsonGame/Assets/Sources/Lean/GUI/Scripts/LeanSizer.cs

132 lines
3.8 KiB
C#

using UnityEngine;
using UnityEngine.EventSystems;
using Lean.Common;
namespace Lean.Gui
{
/// <summary>This component allows you to change the size of the Target RectTransform based on the size of this one.
/// This is very useful for text that needs to be inside a parent container, but you don't know how big that container should be.</summary>
[ExecuteInEditMode]
[RequireComponent(typeof(RectTransform))]
[HelpURL(LeanGui.HelpUrlPrefix + "LeanSizer")]
[AddComponentMenu(LeanGui.ComponentMenuPrefix + "Sizer")]
public class LeanSizer : UIBehaviour
{
/// <summary>The RectTransform whose size we want to modify.</summary>
public RectTransform Target { set { if (target != value) { target = value; UpdateSize(); } } get { return target; } } [SerializeField] private RectTransform target;
/// <summary>Factor in scale when reading the size of the target?</summary>
public bool Scale { set { if (scale != value) { scale = value; UpdateSize(); } } get { return scale; } } [SerializeField] private bool scale;
/// <summary>Match the scale horizontally?</summary>
public bool Horizontal { set { if (horizontal != value) { horizontal = value; UpdateSize(); } } get { return horizontal; } } [SerializeField] private bool horizontal;
public float HorizontalPadding { set { if (horizontalPadding != value) { horizontalPadding = value; UpdateSize(); } } get { return horizontalPadding; } } [SerializeField] private float horizontalPadding;
/// <summary>Match the scale vertically?</summary>
public bool Vertical { set { if (vertical != value) { vertical = value; UpdateSize(); } } get { return vertical; } } [SerializeField] private bool vertical;
public float VerticalPadding { set { if (verticalPadding != value) { verticalPadding = value; UpdateSize(); } } get { return verticalPadding; } } [SerializeField] private float verticalPadding;
[System.NonSerialized]
private RectTransform cachedRectTransform;
[System.NonSerialized]
private bool cachedRectTransformSet;
[ContextMenu("Update Size")]
public void UpdateSize()
{
if (Target != null)
{
if (cachedRectTransformSet == false)
{
cachedRectTransform = GetComponent<RectTransform>();
cachedRectTransformSet = true;
}
var targetSize = Target.sizeDelta;
var scale = cachedRectTransform.localScale;
var sizeDelta = cachedRectTransform.sizeDelta;
if (Horizontal == true)
{
targetSize.x = sizeDelta.x + HorizontalPadding;
if (Scale == true)
{
targetSize.x *= scale.x;
}
}
if (Vertical == true)
{
targetSize.y = sizeDelta.y + VerticalPadding;
if (Scale == true)
{
targetSize.y *= scale.y;
}
}
Target.sizeDelta = targetSize;
}
}
#if UNITY_EDITOR
protected override void OnValidate()
{
UpdateSize();
}
#endif
protected override void OnRectTransformDimensionsChange()
{
UpdateSize();
}
}
}
#if UNITY_EDITOR
namespace Lean.Gui.Editor
{
using TARGET = LeanSizer;
[UnityEditor.CanEditMultipleObjects]
[UnityEditor.CustomEditor(typeof(TARGET))]
public class LeanSizer_Editor : LeanEditor
{
protected override void OnInspector()
{
TARGET tgt; TARGET[] tgts; GetTargets(out tgt, out tgts);
BeginError(Any(tgts, t => t.Target == null));
Draw("target", "The RectTransform whose size we want to modify.");
EndError();
Draw("scale", "Factor in scale when reading the size of the target?");
Separator();
Draw("horizontal", "Match the scale horizontally?");
if (Any(tgts, t => t.Horizontal == true))
{
BeginIndent();
Draw("horizontalPadding", "", "Padding");
EndIndent();
}
Separator();
Draw("vertical", "Match the scale vertically?");
if (Any(tgts, t => t.Vertical == true))
{
BeginIndent();
Draw("verticalPadding", "", "Padding");
EndIndent();
}
}
}
}
#endif