From e49c6a1481887ab499e49f664bf79e708d85bf41 Mon Sep 17 00:00:00 2001
From: Kevin Ruland <kruland@sunflower.com>
Date: Wed, 6 Jun 2012 17:56:32 +0000
Subject: [PATCH] Added conversion constructor from List<Material>.

---
 .../sf/openrocket/preset/loader/MaterialHolder.java  | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/core/src/net/sf/openrocket/preset/loader/MaterialHolder.java b/core/src/net/sf/openrocket/preset/loader/MaterialHolder.java
index 52d5a9316..5c6d9d488 100644
--- a/core/src/net/sf/openrocket/preset/loader/MaterialHolder.java
+++ b/core/src/net/sf/openrocket/preset/loader/MaterialHolder.java
@@ -3,6 +3,7 @@ package net.sf.openrocket.preset.loader;
 import java.util.Collection;
 import java.util.HashMap;
 import java.util.HashSet;
+import java.util.List;
 import java.util.Map;
 
 import net.sf.openrocket.database.Database;
@@ -17,6 +18,17 @@ public class MaterialHolder {
 
 	private final Map<String, Material.Line> lineMaterials = new HashMap<String,Material.Line>();
 
+	public MaterialHolder() {}
+	
+	public MaterialHolder( List<Material> materials ) {
+		if (materials == null) {
+			return;
+		}
+		for (Material material : materials) {
+			this.put(material);
+		}
+	}
+	
 	public void put( Material material ) {
 		switch ( material.getType() ) {
 		case BULK: