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Assets/CoolapeFrame/3rd/NGUI_Enhance/Examples/Scripts/Other/EnvelopContent.cs

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+//----------------------------------------------
+//            NGUI: Next-Gen UI kit
+// Copyright © 2011-2015 Tasharen Entertainment
+//----------------------------------------------
+
+using UnityEngine;
+
+/// <summary>
+/// Example script that resizes the widget it's attached to in order to envelop the target content.
+/// </summary>
+
+[RequireComponent(typeof(UIWidget))]
+[AddComponentMenu("NGUI/Examples/Envelop Content")]
+public class EnvelopContent : MonoBehaviour
+{
+	public Transform targetRoot;
+	public int padLeft = 0;
+	public int padRight = 0;
+	public int padBottom = 0;
+	public int padTop = 0;
+
+	bool mStarted = false;
+
+	void Start ()
+	{
+		mStarted = true;
+		Execute();
+	}
+
+	void OnEnable () { if (mStarted) Execute(); }
+
+	[ContextMenu("Execute")]
+	public void Execute ()
+	{
+		if (targetRoot == transform)
+		{
+			Debug.LogError("Target Root object cannot be the same object that has Envelop Content. Make it a sibling instead.", this);
+		}
+		else if (NGUITools.IsChild(targetRoot, transform))
+		{
+			Debug.LogError("Target Root object should not be a parent of Envelop Content. Make it a sibling instead.", this);
+		}
+		else
+		{
+			Bounds b = NGUIMath.CalculateRelativeWidgetBounds(transform.parent, targetRoot, false);
+			float x0 = b.min.x + padLeft;
+			float y0 = b.min.y + padBottom;
+			float x1 = b.max.x + padRight;
+			float y1 = b.max.y + padTop;
+
+			UIWidget w = GetComponent<UIWidget>();
+			w.SetRect(x0, y0, x1 - x0, y1 - y0);
+			BroadcastMessage("UpdateAnchors", SendMessageOptions.DontRequireReceiver);
+		}
+	}
+}