From 905c7f740a1ea3377f475b33d55768aada067a05 Mon Sep 17 00:00:00 2001
From: Kevin Ruland <kruland@sunflower.com>
Date: Sun, 27 May 2012 12:57:57 +0000
Subject: [PATCH] Pull TreeListView from main source and include from library
 instead.

---
 android/project.properties                    |   1 +
 android/res/drawable-hdpi/collapsed.png       | Bin 455 -> 0 bytes
 android/res/drawable-hdpi/expanded.png        | Bin 361 -> 0 bytes
 android/res/drawable-ldpi/collapsed.png       | Bin 313 -> 0 bytes
 android/res/drawable-ldpi/expanded.png        | Bin 291 -> 0 bytes
 android/res/drawable-mdpi/collapsed.png       | Bin 272 -> 0 bytes
 android/res/drawable-mdpi/expanded.png        | Bin 254 -> 0 bytes
 android/res/drawable/divider.xml              |   6 -
 .../res/drawable/list_selector_background.xml |  45 ---
 .../list_selector_background_disabled.9.png   | Bin 1252 -> 0 bytes
 .../list_selector_background_focus.9.png      | Bin 11006 -> 0 bytes
 .../list_selector_background_longpress.9.png  | Bin 3017 -> 0 bytes
 .../list_selector_background_pressed.9.png    | Bin 11006 -> 0 bytes
 .../list_selector_background_transition.xml   |  20 -
 android/res/layout/tree_list_item_wrapper.xml |  28 --
 android/res/values/attrs.xml                  |  42 --
 android/res/values/styles.xml                 |   5 -
 .../treeview/AbstractTreeViewAdapter.java     | 316 ---------------
 .../pl/polidea/treeview/InMemoryTreeNode.java | 116 ------
 .../treeview/InMemoryTreeStateManager.java    | 374 ------------------
 .../treeview/NodeAlreadyInTreeException.java  |  14 -
 .../treeview/NodeNotInTreeException.java      |  15 -
 .../src/pl/polidea/treeview/TreeBuilder.java  | 125 ------
 .../treeview/TreeConfigurationException.java  |  15 -
 .../src/pl/polidea/treeview/TreeNodeInfo.java |  69 ----
 .../pl/polidea/treeview/TreeStateManager.java | 193 ---------
 .../src/pl/polidea/treeview/TreeViewList.java | 199 ----------
 android/src/pl/polidea/treeview/license.txt   |  19 -
 .../src/pl/polidea/treeview/package-info.java |   4 -
 29 files changed, 1 insertion(+), 1605 deletions(-)
 delete mode 100644 android/res/drawable-hdpi/collapsed.png
 delete mode 100644 android/res/drawable-hdpi/expanded.png
 delete mode 100644 android/res/drawable-ldpi/collapsed.png
 delete mode 100644 android/res/drawable-ldpi/expanded.png
 delete mode 100644 android/res/drawable-mdpi/collapsed.png
 delete mode 100644 android/res/drawable-mdpi/expanded.png
 delete mode 100644 android/res/drawable/divider.xml
 delete mode 100644 android/res/drawable/list_selector_background.xml
 delete mode 100644 android/res/drawable/list_selector_background_disabled.9.png
 delete mode 100644 android/res/drawable/list_selector_background_focus.9.png
 delete mode 100644 android/res/drawable/list_selector_background_longpress.9.png
 delete mode 100644 android/res/drawable/list_selector_background_pressed.9.png
 delete mode 100644 android/res/drawable/list_selector_background_transition.xml
 delete mode 100644 android/res/layout/tree_list_item_wrapper.xml
 delete mode 100644 android/res/values/attrs.xml
 delete mode 100644 android/src/pl/polidea/treeview/AbstractTreeViewAdapter.java
 delete mode 100644 android/src/pl/polidea/treeview/InMemoryTreeNode.java
 delete mode 100644 android/src/pl/polidea/treeview/InMemoryTreeStateManager.java
 delete mode 100644 android/src/pl/polidea/treeview/NodeAlreadyInTreeException.java
 delete mode 100644 android/src/pl/polidea/treeview/NodeNotInTreeException.java
 delete mode 100644 android/src/pl/polidea/treeview/TreeBuilder.java
 delete mode 100644 android/src/pl/polidea/treeview/TreeConfigurationException.java
 delete mode 100644 android/src/pl/polidea/treeview/TreeNodeInfo.java
 delete mode 100644 android/src/pl/polidea/treeview/TreeStateManager.java
 delete mode 100644 android/src/pl/polidea/treeview/TreeViewList.java
 delete mode 100644 android/src/pl/polidea/treeview/license.txt
 delete mode 100644 android/src/pl/polidea/treeview/package-info.java

diff --git a/android/project.properties b/android/project.properties
index 02c13e017..0c951984f 100644
--- a/android/project.properties
+++ b/android/project.properties
@@ -10,3 +10,4 @@
 # Project target.
 target=android-15
 android.library.reference.1=../ActionBarSherlock
+android.library.reference.2=../TreeViewList
diff --git a/android/res/drawable-hdpi/collapsed.png b/android/res/drawable-hdpi/collapsed.png
deleted file mode 100644
index c1e1f3d5161c0edc790a37380da0db0b81adbe83..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 455
zcmeAS@N?(olHy`uVBq!ia0vp^av;nBBpBqPKh^;$rX+877Y2q^y~;*F9%q3^WHAE+
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diff --git a/android/res/drawable-hdpi/expanded.png b/android/res/drawable-hdpi/expanded.png
deleted file mode 100644
index cec254aa7fb3e42a98f787776471023e5a827ff3..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 361
zcmeAS@N?(olHy`uVBq!ia0vp^av;nBBpBqPKh^;$rX+877Y2q^y~;*F9%q3^WHAE+
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diff --git a/android/res/drawable-ldpi/collapsed.png b/android/res/drawable-ldpi/collapsed.png
deleted file mode 100644
index a52e846afa9e10c440191d1933470fd96bbea71c..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 313
zcmeAS@N?(olHy`uVBq!ia0vp^{2<H$BpBrOo|*=vn3BBRT^JZv^(q?yd7K3vk;M!Q
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T@LQ9C8W=oX{an^LB{Ts5*T`oi

diff --git a/android/res/drawable-ldpi/expanded.png b/android/res/drawable-ldpi/expanded.png
deleted file mode 100644
index d8b7ab894ede111d6565161befce37412be81ab5..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 291
zcmeAS@N?(olHy`uVBq!ia0vp^{2<H$BpBrOo|*=vn3BBRT^JZv^(q?yd7K3vk;M!Q
z+`=Ht$S`Y;1W+*5)5S4_<9hFz-JA^uA`TbV%;A+e!g=YIMFaB<i-XQ`oeC_U6yvv^
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v+{)0x%EU<9z|hLTKvyV121P?|eoAIqC2kEd{x=o?H86O(`njxgN@xNAXi8W~

diff --git a/android/res/drawable-mdpi/collapsed.png b/android/res/drawable-mdpi/collapsed.png
deleted file mode 100644
index b23555145f7ef7191ac7257b854a432cd5c4466d..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 272
zcmeAS@N?(olHy`uVBq!ia0vp^A|T8GBp6maa=Hkln3BBRT^JZv^(q?yd7K3vk;M!Q
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diff --git a/android/res/drawable-mdpi/expanded.png b/android/res/drawable-mdpi/expanded.png
deleted file mode 100644
index f7377cb30cfd739a509e8e69a10890dabc58b936..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 254
zcmeAS@N?(olHy`uVBq!ia0vp^A|T8GBp6maa=Hkln3BBRT^JZv^(q?yd7K3vk;M!Q
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diff --git a/android/res/drawable/divider.xml b/android/res/drawable/divider.xml
deleted file mode 100644
index 5f3794992..000000000
--- a/android/res/drawable/divider.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<ImageView xmlns:android="http://schemas.android.com/apk/res/android"
-  android:src="@android:drawable/divider_horizontal_dark"
-  android:layout_width="fill_parent" android:layout_height="wrap_content"
-  android:scaleType="fitXY" android:paddingLeft="5sp"
-  android:paddingRight="5sp" android:paddingBottom="2sp" />
diff --git a/android/res/drawable/list_selector_background.xml b/android/res/drawable/list_selector_background.xml
deleted file mode 100644
index 2b21b0c1c..000000000
--- a/android/res/drawable/list_selector_background.xml
+++ /dev/null
@@ -1,45 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2008 The Android Open Source Project Licensed under the 
-	Apache License, Version 2.0 (the "License"); you may not use this file except 
-	in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 
-	Unless required by applicable law or agreed to in writing, software distributed 
-	under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES 
-	OR CONDITIONS OF ANY KIND, either express or implied. See the License for 
-	the specific language governing permissions and limitations under the License. -->
-
-<selector xmlns:android="http://schemas.android.com/apk/res/android">
-
-	<item android:state_window_focused="false" android:drawable="@android:color/transparent" />
-
-	<!-- Even though these two point to the same resource, have two states so 
-		the drawable will invalidate itself when coming out of pressed state. -->
-	<item android:state_focused="true" android:state_enabled="false"
-		android:state_pressed="true" android:drawable="@drawable/list_selector_background_disabled" />
-	<item android:state_focused="true" android:state_enabled="false"
-		android:drawable="@drawable/list_selector_background_disabled" />
-
-	<item android:state_focused="true" android:state_pressed="true"
-		android:drawable="@drawable/list_selector_background_transition" />
-	<item android:state_focused="false" android:state_pressed="true"
-		android:drawable="@drawable/list_selector_background_transition" />
-
-	<item android:state_focused="true"
-		android:drawable="@drawable/list_selector_background_focus" />
-
-	<!-- !!hack!! to fill StateListDrawable.mStateListState with exactly 10 
-		items otherwise it will throw NPE on Android 1.6 -->
-
-	<item android:animationCache="true"
-		android:drawable="@android:color/transparent" />
-
-	<item android:animationCache="false"
-		android:drawable="@android:color/transparent" />
-
-	<item android:alwaysDrawnWithCache="false"
-		android:drawable="@android:color/transparent" />
-
-	<item android:alwaysDrawnWithCache="true"
-		android:drawable="@android:color/transparent" />
-	
-	
-</selector>
\ No newline at end of file
diff --git a/android/res/drawable/list_selector_background_disabled.9.png b/android/res/drawable/list_selector_background_disabled.9.png
deleted file mode 100644
index bf970b0509b81f2d7237d865e350e88787b16df2..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

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diff --git a/android/res/drawable/list_selector_background_focus.9.png b/android/res/drawable/list_selector_background_focus.9.png
deleted file mode 100644
index c3e24158664231236713e1d769d4f7819b618786..0000000000000000000000000000000000000000
GIT binary patch
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diff --git a/android/res/drawable/list_selector_background_longpress.9.png b/android/res/drawable/list_selector_background_longpress.9.png
deleted file mode 100644
index 5cbb251a7dbf1e7186a9aae78a786b6d667de6ca..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 3017
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diff --git a/android/res/drawable/list_selector_background_pressed.9.png b/android/res/drawable/list_selector_background_pressed.9.png
deleted file mode 100644
index 02b4e9a536fedd342ecef1d0153ef97a3fe69452..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

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diff --git a/android/res/drawable/list_selector_background_transition.xml b/android/res/drawable/list_selector_background_transition.xml
deleted file mode 100644
index 0dec1335d..000000000
--- a/android/res/drawable/list_selector_background_transition.xml
+++ /dev/null
@@ -1,20 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2008 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-  
-          http://www.apache.org/licenses/LICENSE-2.0
-  
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-
-<transition xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:drawable="@drawable/list_selector_background_pressed"  />
-    <item android:drawable="@drawable/list_selector_background_longpress"  />
-</transition>
diff --git a/android/res/layout/tree_list_item_wrapper.xml b/android/res/layout/tree_list_item_wrapper.xml
deleted file mode 100644
index 7fe319618..000000000
--- a/android/res/layout/tree_list_item_wrapper.xml
+++ /dev/null
@@ -1,28 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="fill_parent"
-    android:layout_height="fill_parent"
-    android:baselineAligned="false" >
-
-    <LinearLayout
-        android:id="@+id/treeview_list_item_image_layout"
-        android:layout_width="80dip"
-        android:layout_height="fill_parent"
-        android:gravity="right|center_vertical" >
-
-        <ImageView
-            android:id="@+id/treeview_list_item_image"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:src="@drawable/collapsed" >
-        </ImageView>
-    </LinearLayout>
-
-    <FrameLayout
-        android:id="@+id/treeview_list_item_frame"
-        android:layout_width="0dp"
-        android:layout_height="fill_parent"
-        android:layout_weight="1" >
-    </FrameLayout>
-
-</LinearLayout>
\ No newline at end of file
diff --git a/android/res/values/attrs.xml b/android/res/values/attrs.xml
deleted file mode 100644
index 30060a4c7..000000000
--- a/android/res/values/attrs.xml
+++ /dev/null
@@ -1,42 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources>
-	<declare-styleable name="TreeViewList">
-	    <attr name="collapsible" format="boolean" />
-		<attr name="src_expanded" format="reference|color" />
-		<attr name="src_collapsed" format="reference|color" />
-        <attr name="indent_width" format="dimension" />
-        <attr name="handle_trackball_press" format="boolean" />
-		<attr name="indicator_gravity">
-			<!-- Push object to the top of its container, not changing its size. -->
-			<flag name="top" value="0x30" />
-			<!-- Push object to the bottom of its container, not changing its size. -->
-			<flag name="bottom" value="0x50" />
-			<!-- Push object to the left of its container, not changing its size. -->
-			<flag name="left" value="0x03" />
-			<!-- Push object to the right of its container, not changing its size. -->
-			<flag name="right" value="0x05" />
-			<!-- Place object in the vertical center of its container, not changing its size. -->
-			<flag name="center_vertical" value="0x10" />
-			<!-- Grow the vertical size of the object if needed so it completely fills its container. -->
-			<flag name="fill_vertical" value="0x70" />
-			<!-- Place object in the horizontal center of its container, not changing its size. -->
-			<flag name="center_horizontal" value="0x01" />
-			<!-- Grow the horizontal size of the object if needed so it completely fills its container. -->
-			<flag name="fill_horizontal" value="0x07" />
-			<!-- Place the object in the center of its container in both the vertical and horizontal axis, not changing its size. -->
-			<flag name="center" value="0x11" />
-			<!-- Grow the horizontal and vertical size of the object if needed so it completely fills its container. -->
-			<flag name="fill" value="0x77" />
-			<!-- Additional option that can be set to have the top and/or bottom edges of the child clipped to its container's bounds.
-				The clip will be based on the vertical gravity: a top gravity will clip the bottom edge, a bottom gravity will clip the top
-				edge, and neither will clip both edges. -->
-			<flag name="clip_vertical" value="0x80" />
-			<!-- Additional option that can be set to have the left and/or right edges of the child clipped to its container's bounds.
-				The clip will be based on the horizontal gravity: a left gravity will clip the right edge, a right gravity will clip the
-				left edge, and neither will clip both edges. -->
-			<flag name="clip_horizontal" value="0x08" />
-		</attr>
-        <attr name="indicator_background" format="reference|color" />
-        <attr name="row_background" format="reference|color" />
-	</declare-styleable>
-</resources>
\ No newline at end of file
diff --git a/android/res/values/styles.xml b/android/res/values/styles.xml
index 438dddd8e..a2e78f5d3 100644
--- a/android/res/values/styles.xml
+++ b/android/res/values/styles.xml
@@ -1,11 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
 
-    <style name="treeViewListStyle" parent="@android:attr/listViewStyle">
-        <item name="android:background">@android:color/white</item>
-        <item name="android:divider">@drawable/divider</item>
-    </style>
-
     <style name="labelTextStyle" parent="@android:style/TextAppearance.Medium" />
 
     <style name="valueTextStyle" parent="@android:style/TextAppearance.Large">
diff --git a/android/src/pl/polidea/treeview/AbstractTreeViewAdapter.java b/android/src/pl/polidea/treeview/AbstractTreeViewAdapter.java
deleted file mode 100644
index e8e7071fc..000000000
--- a/android/src/pl/polidea/treeview/AbstractTreeViewAdapter.java
+++ /dev/null
@@ -1,316 +0,0 @@
-package pl.polidea.treeview;
-
-import net.sf.openrocket.R;
-import android.app.Activity;
-import android.content.Context;
-import android.database.DataSetObserver;
-import android.graphics.drawable.Drawable;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.View.OnClickListener;
-import android.view.ViewGroup;
-import android.widget.BaseAdapter;
-import android.widget.FrameLayout;
-import android.widget.FrameLayout.LayoutParams;
-import android.widget.ImageView;
-import android.widget.ImageView.ScaleType;
-import android.widget.LinearLayout;
-import android.widget.ListAdapter;
-
-/**
- * Adapter used to feed the table view.
- * 
- * @param <T>
- *            class for ID of the tree
- */
-public abstract class AbstractTreeViewAdapter<T> extends BaseAdapter implements
-        ListAdapter {
-    private final TreeStateManager<T> treeStateManager;
-    private final int numberOfLevels;
-    private final LayoutInflater layoutInflater;
-
-    private int indentWidth = 0;
-    private int indicatorGravity = 0;
-    private Drawable collapsedDrawable;
-    private Drawable expandedDrawable;
-    private Drawable indicatorBackgroundDrawable;
-    private Drawable rowBackgroundDrawable;
-
-    private final OnClickListener indicatorClickListener = new OnClickListener() {
-        @Override
-        public void onClick(final View v) {
-            @SuppressWarnings("unchecked")
-            final T id = (T) v.getTag();
-            expandCollapse(id);
-        }
-    };
-
-    private boolean collapsible;
-    private final Activity activity;
-
-    public Activity getActivity() {
-        return activity;
-    }
-
-    protected TreeStateManager<T> getManager() {
-        return treeStateManager;
-    }
-
-    protected void expandCollapse(final T id) {
-        final TreeNodeInfo<T> info = treeStateManager.getNodeInfo(id);
-        if (!info.isWithChildren()) {
-            // ignore - no default action
-            return;
-        }
-        if (info.isExpanded()) {
-            treeStateManager.collapseChildren(id);
-        } else {
-            treeStateManager.expandDirectChildren(id);
-        }
-    }
-
-    private void calculateIndentWidth() {
-        if (expandedDrawable != null) {
-            indentWidth = Math.max(getIndentWidth(),
-                    expandedDrawable.getIntrinsicWidth());
-        }
-        if (collapsedDrawable != null) {
-            indentWidth = Math.max(getIndentWidth(),
-                    collapsedDrawable.getIntrinsicWidth());
-        }
-    }
-
-    public AbstractTreeViewAdapter(final Activity activity,
-            final TreeStateManager<T> treeStateManager, final int numberOfLevels) {
-        this.activity = activity;
-        this.treeStateManager = treeStateManager;
-        this.layoutInflater = (LayoutInflater) activity
-                .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
-        this.numberOfLevels = numberOfLevels;
-        this.collapsedDrawable = null;
-        this.expandedDrawable = null;
-        this.rowBackgroundDrawable = null;
-        this.indicatorBackgroundDrawable = null;
-    }
-
-    @Override
-    public void registerDataSetObserver(final DataSetObserver observer) {
-        treeStateManager.registerDataSetObserver(observer);
-    }
-
-    @Override
-    public void unregisterDataSetObserver(final DataSetObserver observer) {
-        treeStateManager.unregisterDataSetObserver(observer);
-    }
-
-    @Override
-    public int getCount() {
-        return treeStateManager.getVisibleCount();
-    }
-
-    @Override
-    public Object getItem(final int position) {
-        return getItemId(position);
-    }
-
-    public T getTreeId(final int position) {
-        return treeStateManager.getVisibleList().get(position);
-    }
-
-    public TreeNodeInfo<T> getTreeNodeInfo(final int position) {
-        return treeStateManager.getNodeInfo(getTreeId(position));
-    }
-
-    @Override
-    public boolean hasStableIds() { // NOPMD
-        return true;
-    }
-
-    @Override
-    public int getItemViewType(final int position) {
-        return getTreeNodeInfo(position).getLevel();
-    }
-
-    @Override
-    public int getViewTypeCount() {
-        return numberOfLevels;
-    }
-
-    @Override
-    public boolean isEmpty() {
-        return getCount() == 0;
-    }
-
-    @Override
-    public boolean areAllItemsEnabled() { // NOPMD
-        return true;
-    }
-
-    @Override
-    public boolean isEnabled(final int position) { // NOPMD
-        return true;
-    }
-
-    protected int getTreeListItemWrapperId() {
-        return R.layout.tree_list_item_wrapper;
-    }
-
-    @Override
-    public final View getView(final int position, final View convertView,
-            final ViewGroup parent) {
-        final TreeNodeInfo<T> nodeInfo = getTreeNodeInfo(position);
-        if (convertView == null) {
-            final LinearLayout layout = (LinearLayout) layoutInflater.inflate(
-                    getTreeListItemWrapperId(), null);
-            return populateTreeItem(layout, getNewChildView(nodeInfo),
-                    nodeInfo, true);
-        } else {
-            final LinearLayout linear = (LinearLayout) convertView;
-            final FrameLayout frameLayout = (FrameLayout) linear
-                    .findViewById(R.id.treeview_list_item_frame);
-            final View childView = frameLayout.getChildAt(0);
-            updateView(childView, nodeInfo);
-            return populateTreeItem(linear, childView, nodeInfo, false);
-        }
-    }
-
-    /**
-     * Called when new view is to be created.
-     * 
-     * @param treeNodeInfo
-     *            node info
-     * @return view that should be displayed as tree content
-     */
-    public abstract View getNewChildView(TreeNodeInfo<T> treeNodeInfo);
-
-    /**
-     * Called when new view is going to be reused. You should update the view
-     * and fill it in with the data required to display the new information. You
-     * can also create a new view, which will mean that the old view will not be
-     * reused.
-     * 
-     * @param view
-     *            view that should be updated with the new values
-     * @param treeNodeInfo
-     *            node info used to populate the view
-     * @return view to used as row indented content
-     */
-    public abstract View updateView(View view, TreeNodeInfo<T> treeNodeInfo);
-
-    /**
-     * Retrieves background drawable for the node.
-     * 
-     * @param treeNodeInfo
-     *            node info
-     * @return drawable returned as background for the whole row. Might be null,
-     *         then default background is used
-     */
-    public Drawable getBackgroundDrawable(final TreeNodeInfo<T> treeNodeInfo) { // NOPMD
-        return null;
-    }
-
-    private Drawable getDrawableOrDefaultBackground(final Drawable r) {
-        if (r == null) {
-            return activity.getResources()
-                    .getDrawable(R.drawable.list_selector_background).mutate();
-        } else {
-            return r;
-        }
-    }
-
-    public final LinearLayout populateTreeItem(final LinearLayout layout,
-            final View childView, final TreeNodeInfo<T> nodeInfo,
-            final boolean newChildView) {
-        final Drawable individualRowDrawable = getBackgroundDrawable(nodeInfo);
-        layout.setBackgroundDrawable(individualRowDrawable == null ? getDrawableOrDefaultBackground(rowBackgroundDrawable)
-                : individualRowDrawable);
-        final LinearLayout.LayoutParams indicatorLayoutParams = new LinearLayout.LayoutParams(
-                calculateIndentation(nodeInfo), LayoutParams.FILL_PARENT);
-        final LinearLayout indicatorLayout = (LinearLayout) layout
-                .findViewById(R.id.treeview_list_item_image_layout);
-        indicatorLayout.setGravity(indicatorGravity);
-        indicatorLayout.setLayoutParams(indicatorLayoutParams);
-        final ImageView image = (ImageView) layout
-                .findViewById(R.id.treeview_list_item_image);
-        image.setImageDrawable(getDrawable(nodeInfo));
-        image.setBackgroundDrawable(getDrawableOrDefaultBackground(indicatorBackgroundDrawable));
-        image.setScaleType(ScaleType.CENTER);
-        image.setTag(nodeInfo.getId());
-        if (nodeInfo.isWithChildren() && collapsible) {
-            image.setOnClickListener(indicatorClickListener);
-        } else {
-            image.setOnClickListener(null);
-        }
-        layout.setTag(nodeInfo.getId());
-        final FrameLayout frameLayout = (FrameLayout) layout
-                .findViewById(R.id.treeview_list_item_frame);
-        final FrameLayout.LayoutParams childParams = new FrameLayout.LayoutParams(
-                LayoutParams.FILL_PARENT, LayoutParams.FILL_PARENT);
-        if (newChildView) {
-            frameLayout.addView(childView, childParams);
-        }
-        frameLayout.setTag(nodeInfo.getId());
-        return layout;
-    }
-
-    protected int calculateIndentation(final TreeNodeInfo<T> nodeInfo) {
-        return getIndentWidth() * (nodeInfo.getLevel() + (collapsible ? 1 : 0));
-    }
-
-    private Drawable getDrawable(final TreeNodeInfo<T> nodeInfo) {
-        if (!nodeInfo.isWithChildren() || !collapsible) {
-            return getDrawableOrDefaultBackground(indicatorBackgroundDrawable);
-        }
-        if (nodeInfo.isExpanded()) {
-            return expandedDrawable;
-        } else {
-            return collapsedDrawable;
-        }
-    }
-
-    public void setIndicatorGravity(final int indicatorGravity) {
-        this.indicatorGravity = indicatorGravity;
-    }
-
-    public void setCollapsedDrawable(final Drawable collapsedDrawable) {
-        this.collapsedDrawable = collapsedDrawable;
-        calculateIndentWidth();
-    }
-
-    public void setExpandedDrawable(final Drawable expandedDrawable) {
-        this.expandedDrawable = expandedDrawable;
-        calculateIndentWidth();
-    }
-
-    public void setIndentWidth(final int indentWidth) {
-        this.indentWidth = indentWidth;
-        calculateIndentWidth();
-    }
-
-    public void setRowBackgroundDrawable(final Drawable rowBackgroundDrawable) {
-        this.rowBackgroundDrawable = rowBackgroundDrawable;
-    }
-
-    public void setIndicatorBackgroundDrawable(
-            final Drawable indicatorBackgroundDrawable) {
-        this.indicatorBackgroundDrawable = indicatorBackgroundDrawable;
-    }
-
-    public void setCollapsible(final boolean collapsible) {
-        this.collapsible = collapsible;
-    }
-
-    public void refresh() {
-        treeStateManager.refresh();
-    }
-
-    private int getIndentWidth() {
-        return indentWidth;
-    }
-
-    @SuppressWarnings("unchecked")
-    public void handleItemClick(final View view, final Object id) {
-        expandCollapse((T) id);
-    }
-
-}
diff --git a/android/src/pl/polidea/treeview/InMemoryTreeNode.java b/android/src/pl/polidea/treeview/InMemoryTreeNode.java
deleted file mode 100644
index 6035369f9..000000000
--- a/android/src/pl/polidea/treeview/InMemoryTreeNode.java
+++ /dev/null
@@ -1,116 +0,0 @@
-package pl.polidea.treeview;
-
-import java.io.Serializable;
-import java.util.LinkedList;
-import java.util.List;
-
-/**
- * Node. It is package protected so that it cannot be used outside.
- * 
- * @param <T>
- *            type of the identifier used by the tree
- */
-class InMemoryTreeNode<T> implements Serializable {
-    private static final long serialVersionUID = 1L;
-    private final T id;
-    private final T parent;
-    private final int level;
-    private boolean visible = true;
-    private final List<InMemoryTreeNode<T>> children = new LinkedList<InMemoryTreeNode<T>>();
-    private List<T> childIdListCache = null;
-
-    public InMemoryTreeNode(final T id, final T parent, final int level,
-            final boolean visible) {
-        super();
-        this.id = id;
-        this.parent = parent;
-        this.level = level;
-        this.visible = visible;
-    }
-
-    public int indexOf(final T id) {
-        return getChildIdList().indexOf(id);
-    }
-
-    /**
-     * Cache is built lasily only if needed. The cache is cleaned on any
-     * structure change for that node!).
-     * 
-     * @return list of ids of children
-     */
-    public synchronized List<T> getChildIdList() {
-        if (childIdListCache == null) {
-            childIdListCache = new LinkedList<T>();
-            for (final InMemoryTreeNode<T> n : children) {
-                childIdListCache.add(n.getId());
-            }
-        }
-        return childIdListCache;
-    }
-
-    public boolean isVisible() {
-        return visible;
-    }
-
-    public void setVisible(final boolean visible) {
-        this.visible = visible;
-    }
-
-    public int getChildrenListSize() {
-        return children.size();
-    }
-
-    public synchronized InMemoryTreeNode<T> add(final int index, final T child,
-            final boolean visible) {
-        childIdListCache = null;
-        // Note! top levell children are always visible (!)
-        final InMemoryTreeNode<T> newNode = new InMemoryTreeNode<T>(child,
-                getId(), getLevel() + 1, getId() == null ? true : visible);
-        children.add(index, newNode);
-        return newNode;
-    }
-
-    /**
-     * Note. This method should technically return unmodifiable collection, but
-     * for performance reason on small devices we do not do it.
-     * 
-     * @return children list
-     */
-    public List<InMemoryTreeNode<T>> getChildren() {
-        return children;
-    }
-
-    public synchronized void clearChildren() {
-        children.clear();
-        childIdListCache = null;
-    }
-
-    public synchronized void removeChild(final T child) {
-        final int childIndex = indexOf(child);
-        if (childIndex != -1) {
-            children.remove(childIndex);
-            childIdListCache = null;
-        }
-    }
-
-    @Override
-    public String toString() {
-        return "InMemoryTreeNode [id=" + getId() + ", parent=" + getParent()
-                + ", level=" + getLevel() + ", visible=" + visible
-                + ", children=" + children + ", childIdListCache="
-                + childIdListCache + "]";
-    }
-
-    T getId() {
-        return id;
-    }
-
-    T getParent() {
-        return parent;
-    }
-
-    int getLevel() {
-        return level;
-    }
-
-}
\ No newline at end of file
diff --git a/android/src/pl/polidea/treeview/InMemoryTreeStateManager.java b/android/src/pl/polidea/treeview/InMemoryTreeStateManager.java
deleted file mode 100644
index bae675bf8..000000000
--- a/android/src/pl/polidea/treeview/InMemoryTreeStateManager.java
+++ /dev/null
@@ -1,374 +0,0 @@
-package pl.polidea.treeview;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-
-import android.database.DataSetObserver;
-
-/**
- * In-memory manager of tree state.
- * 
- * @param <T>
- *            type of identifier
- */
-public class InMemoryTreeStateManager<T> implements TreeStateManager<T> {
-    private static final long serialVersionUID = 1L;
-    private final Map<T, InMemoryTreeNode<T>> allNodes = new HashMap<T, InMemoryTreeNode<T>>();
-    private final InMemoryTreeNode<T> topSentinel = new InMemoryTreeNode<T>(
-            null, null, -1, true);
-    private transient List<T> visibleListCache = null; // lasy initialised
-    private transient List<T> unmodifiableVisibleList = null;
-    private boolean visibleByDefault = true;
-    private final transient Set<DataSetObserver> observers = new HashSet<DataSetObserver>();
-
-    private synchronized void internalDataSetChanged() {
-        visibleListCache = null;
-        unmodifiableVisibleList = null;
-        for (final DataSetObserver observer : observers) {
-            observer.onChanged();
-        }
-    }
-
-    /**
-     * If true new nodes are visible by default.
-     * 
-     * @param visibleByDefault
-     *            if true, then newly added nodes are expanded by default
-     */
-    public void setVisibleByDefault(final boolean visibleByDefault) {
-        this.visibleByDefault = visibleByDefault;
-    }
-
-    private InMemoryTreeNode<T> getNodeFromTreeOrThrow(final T id) {
-        if (id == null) {
-            throw new NodeNotInTreeException("(null)");
-        }
-        final InMemoryTreeNode<T> node = allNodes.get(id);
-        if (node == null) {
-            throw new NodeNotInTreeException(id.toString());
-        }
-        return node;
-    }
-
-    private InMemoryTreeNode<T> getNodeFromTreeOrThrowAllowRoot(final T id) {
-        if (id == null) {
-            return topSentinel;
-        }
-        return getNodeFromTreeOrThrow(id);
-    }
-
-    private void expectNodeNotInTreeYet(final T id) {
-        final InMemoryTreeNode<T> node = allNodes.get(id);
-        if (node != null) {
-            throw new NodeAlreadyInTreeException(id.toString(), node.toString());
-        }
-    }
-
-    @Override
-    public synchronized TreeNodeInfo<T> getNodeInfo(final T id) {
-        final InMemoryTreeNode<T> node = getNodeFromTreeOrThrow(id);
-        final List<InMemoryTreeNode<T>> children = node.getChildren();
-        boolean expanded = false;
-        if (!children.isEmpty() && children.get(0).isVisible()) {
-            expanded = true;
-        }
-        return new TreeNodeInfo<T>(id, node.getLevel(), !children.isEmpty(),
-                node.isVisible(), expanded);
-    }
-
-    @Override
-    public synchronized List<T> getChildren(final T id) {
-        final InMemoryTreeNode<T> node = getNodeFromTreeOrThrowAllowRoot(id);
-        return node.getChildIdList();
-    }
-
-    @Override
-    public synchronized T getParent(final T id) {
-        final InMemoryTreeNode<T> node = getNodeFromTreeOrThrowAllowRoot(id);
-        return node.getParent();
-    }
-
-    private boolean getChildrenVisibility(final InMemoryTreeNode<T> node) {
-        boolean visibility;
-        final List<InMemoryTreeNode<T>> children = node.getChildren();
-        if (children.isEmpty()) {
-            visibility = visibleByDefault;
-        } else {
-            visibility = children.get(0).isVisible();
-        }
-        return visibility;
-    }
-
-    @Override
-    public synchronized void addBeforeChild(final T parent, final T newChild,
-            final T beforeChild) {
-        expectNodeNotInTreeYet(newChild);
-        final InMemoryTreeNode<T> node = getNodeFromTreeOrThrowAllowRoot(parent);
-        final boolean visibility = getChildrenVisibility(node);
-        // top nodes are always expanded.
-        if (beforeChild == null) {
-            final InMemoryTreeNode<T> added = node.add(0, newChild, visibility);
-            allNodes.put(newChild, added);
-        } else {
-            final int index = node.indexOf(beforeChild);
-            final InMemoryTreeNode<T> added = node.add(index == -1 ? 0 : index,
-                    newChild, visibility);
-            allNodes.put(newChild, added);
-        }
-        if (visibility) {
-            internalDataSetChanged();
-        }
-    }
-
-    @Override
-    public synchronized void addAfterChild(final T parent, final T newChild,
-            final T afterChild) {
-        expectNodeNotInTreeYet(newChild);
-        final InMemoryTreeNode<T> node = getNodeFromTreeOrThrowAllowRoot(parent);
-        final boolean visibility = getChildrenVisibility(node);
-        if (afterChild == null) {
-            final InMemoryTreeNode<T> added = node.add(
-                    node.getChildrenListSize(), newChild, visibility);
-            allNodes.put(newChild, added);
-        } else {
-            final int index = node.indexOf(afterChild);
-            final InMemoryTreeNode<T> added = node.add(
-                    index == -1 ? node.getChildrenListSize() : index, newChild,
-                    visibility);
-            allNodes.put(newChild, added);
-        }
-        if (visibility) {
-            internalDataSetChanged();
-        }
-    }
-
-    @Override
-    public synchronized void removeNodeRecursively(final T id) {
-        final InMemoryTreeNode<T> node = getNodeFromTreeOrThrowAllowRoot(id);
-        final boolean visibleNodeChanged = removeNodeRecursively(node);
-        final T parent = node.getParent();
-        final InMemoryTreeNode<T> parentNode = getNodeFromTreeOrThrowAllowRoot(parent);
-        parentNode.removeChild(id);
-        if (visibleNodeChanged) {
-            internalDataSetChanged();
-        }
-    }
-
-    private boolean removeNodeRecursively(final InMemoryTreeNode<T> node) {
-        boolean visibleNodeChanged = false;
-        for (final InMemoryTreeNode<T> child : node.getChildren()) {
-            if (removeNodeRecursively(child)) {
-                visibleNodeChanged = true;
-            }
-        }
-        node.clearChildren();
-        if (node.getId() != null) {
-            allNodes.remove(node.getId());
-            if (node.isVisible()) {
-                visibleNodeChanged = true;
-            }
-        }
-        return visibleNodeChanged;
-    }
-
-    private void setChildrenVisibility(final InMemoryTreeNode<T> node,
-            final boolean visible, final boolean recursive) {
-        for (final InMemoryTreeNode<T> child : node.getChildren()) {
-            child.setVisible(visible);
-            if (recursive) {
-                setChildrenVisibility(child, visible, true);
-            }
-        }
-    }
-
-    @Override
-    public synchronized void expandDirectChildren(final T id) {
-        final InMemoryTreeNode<T> node = getNodeFromTreeOrThrowAllowRoot(id);
-        setChildrenVisibility(node, true, false);
-        internalDataSetChanged();
-    }
-
-    @Override
-    public synchronized void expandEverythingBelow(final T id) {
-        final InMemoryTreeNode<T> node = getNodeFromTreeOrThrowAllowRoot(id);
-        setChildrenVisibility(node, true, true);
-        internalDataSetChanged();
-    }
-
-    @Override
-    public synchronized void collapseChildren(final T id) {
-        final InMemoryTreeNode<T> node = getNodeFromTreeOrThrowAllowRoot(id);
-        if (node == topSentinel) {
-            for (final InMemoryTreeNode<T> n : topSentinel.getChildren()) {
-                setChildrenVisibility(n, false, true);
-            }
-        } else {
-            setChildrenVisibility(node, false, true);
-        }
-        internalDataSetChanged();
-    }
-
-    @Override
-    public synchronized T getNextSibling(final T id) {
-        final T parent = getParent(id);
-        final InMemoryTreeNode<T> parentNode = getNodeFromTreeOrThrowAllowRoot(parent);
-        boolean returnNext = false;
-        for (final InMemoryTreeNode<T> child : parentNode.getChildren()) {
-            if (returnNext) {
-                return child.getId();
-            }
-            if (child.getId().equals(id)) {
-                returnNext = true;
-            }
-        }
-        return null;
-    }
-
-    @Override
-    public synchronized T getPreviousSibling(final T id) {
-        final T parent = getParent(id);
-        final InMemoryTreeNode<T> parentNode = getNodeFromTreeOrThrowAllowRoot(parent);
-        final T previousSibling = null;
-        for (final InMemoryTreeNode<T> child : parentNode.getChildren()) {
-            if (child.getId().equals(id)) {
-                return previousSibling;
-            }
-        }
-        return null;
-    }
-
-    @Override
-    public synchronized boolean isInTree(final T id) {
-        return allNodes.containsKey(id);
-    }
-
-    @Override
-    public synchronized int getVisibleCount() {
-        return getVisibleList().size();
-    }
-
-    @Override
-    public synchronized List<T> getVisibleList() {
-        T currentId = null;
-        if (visibleListCache == null) {
-            visibleListCache = new ArrayList<T>(allNodes.size());
-            do {
-                currentId = getNextVisible(currentId);
-                if (currentId == null) {
-                    break;
-                } else {
-                    visibleListCache.add(currentId);
-                }
-            } while (true);
-        }
-        if (unmodifiableVisibleList == null) {
-            unmodifiableVisibleList = Collections
-                    .unmodifiableList(visibleListCache);
-        }
-        return unmodifiableVisibleList;
-    }
-
-    public synchronized T getNextVisible(final T id) {
-        final InMemoryTreeNode<T> node = getNodeFromTreeOrThrowAllowRoot(id);
-        if (!node.isVisible()) {
-            return null;
-        }
-        final List<InMemoryTreeNode<T>> children = node.getChildren();
-        if (!children.isEmpty()) {
-            final InMemoryTreeNode<T> firstChild = children.get(0);
-            if (firstChild.isVisible()) {
-                return firstChild.getId();
-            }
-        }
-        final T sibl = getNextSibling(id);
-        if (sibl != null) {
-            return sibl;
-        }
-        T parent = node.getParent();
-        do {
-            if (parent == null) {
-                return null;
-            }
-            final T parentSibling = getNextSibling(parent);
-            if (parentSibling != null) {
-                return parentSibling;
-            }
-            parent = getNodeFromTreeOrThrow(parent).getParent();
-        } while (true);
-    }
-
-    @Override
-    public synchronized void registerDataSetObserver(
-            final DataSetObserver observer) {
-        observers.add(observer);
-    }
-
-    @Override
-    public synchronized void unregisterDataSetObserver(
-            final DataSetObserver observer) {
-        observers.remove(observer);
-    }
-
-    @Override
-    public int getLevel(final T id) {
-        return getNodeFromTreeOrThrow(id).getLevel();
-    }
-
-    @Override
-    public Integer[] getHierarchyDescription(final T id) {
-        final int level = getLevel(id);
-        final Integer[] hierarchy = new Integer[level + 1];
-        int currentLevel = level;
-        T currentId = id;
-        T parent = getParent(currentId);
-        while (currentLevel >= 0) {
-            hierarchy[currentLevel--] = getChildren(parent).indexOf(currentId);
-            currentId = parent;
-            parent = getParent(parent);
-        }
-        return hierarchy;
-    }
-
-    private void appendToSb(final StringBuilder sb, final T id) {
-        if (id != null) {
-            final TreeNodeInfo<T> node = getNodeInfo(id);
-            final int indent = node.getLevel() * 4;
-            final char[] indentString = new char[indent];
-            Arrays.fill(indentString, ' ');
-            sb.append(indentString);
-            sb.append(node.toString());
-            sb.append(Arrays.asList(getHierarchyDescription(id)).toString());
-            sb.append("\n");
-        }
-        final List<T> children = getChildren(id);
-        for (final T child : children) {
-            appendToSb(sb, child);
-        }
-    }
-
-    @Override
-    public synchronized String toString() {
-        final StringBuilder sb = new StringBuilder();
-        appendToSb(sb, null);
-        return sb.toString();
-    }
-
-    @Override
-    public synchronized void clear() {
-        allNodes.clear();
-        topSentinel.clearChildren();
-        internalDataSetChanged();
-    }
-
-    @Override
-    public void refresh() {
-        internalDataSetChanged();
-    }
-
-}
diff --git a/android/src/pl/polidea/treeview/NodeAlreadyInTreeException.java b/android/src/pl/polidea/treeview/NodeAlreadyInTreeException.java
deleted file mode 100644
index 680d0266d..000000000
--- a/android/src/pl/polidea/treeview/NodeAlreadyInTreeException.java
+++ /dev/null
@@ -1,14 +0,0 @@
-package pl.polidea.treeview;
-
-/**
- * The node being added is already in the tree.
- * 
- */
-public class NodeAlreadyInTreeException extends RuntimeException {
-    private static final long serialVersionUID = 1L;
-
-    public NodeAlreadyInTreeException(final String id, final String oldNode) {
-        super("The node has already been added to the tree: " + id + ". Old node is:" + oldNode);
-    }
-
-}
diff --git a/android/src/pl/polidea/treeview/NodeNotInTreeException.java b/android/src/pl/polidea/treeview/NodeNotInTreeException.java
deleted file mode 100644
index f20450e1d..000000000
--- a/android/src/pl/polidea/treeview/NodeNotInTreeException.java
+++ /dev/null
@@ -1,15 +0,0 @@
-package pl.polidea.treeview;
-
-/**
- * This exception is thrown when the tree does not contain node requested.
- * 
- */
-public class NodeNotInTreeException extends RuntimeException {
-
-    private static final long serialVersionUID = 1L;
-
-    public NodeNotInTreeException(final String id) {
-        super("The tree does not contain the node specified: " + id);
-    }
-
-}
diff --git a/android/src/pl/polidea/treeview/TreeBuilder.java b/android/src/pl/polidea/treeview/TreeBuilder.java
deleted file mode 100644
index cfb6d0077..000000000
--- a/android/src/pl/polidea/treeview/TreeBuilder.java
+++ /dev/null
@@ -1,125 +0,0 @@
-package pl.polidea.treeview;
-
-import net.sf.openrocket.android.util.AndroidLogWrapper;
-
-/**
- * Allows to build tree easily in sequential mode (you have to know levels of
- * all the tree elements upfront). You should rather use this class rather than
- * manager if you build initial tree from some external data source.
- * 
- * @param <T>
- */
-public class TreeBuilder<T> {
-
-    private final TreeStateManager<T> manager;
-
-    private T lastAddedId = null;
-    private int lastLevel = -1;
-
-    public TreeBuilder(final TreeStateManager<T> manager) {
-        this.manager = manager;
-    }
-
-    public void clear() {
-        manager.clear();
-    }
-
-    /**
-     * Adds new relation to existing tree. Child is set as the last child of the
-     * parent node. Parent has to already exist in the tree, child cannot yet
-     * exist. This method is mostly useful in case you add entries layer by
-     * layer - i.e. first top level entries, then children for all parents, then
-     * grand-children and so on.
-     * 
-     * @param parent
-     *            parent id
-     * @param child
-     *            child id
-     */
-    public synchronized void addRelation(final T parent, final T child) {
-        AndroidLogWrapper.d(TreeBuilder.class, "Adding relation parent:" + parent + " -> child: " + child);
-        manager.addAfterChild(parent, child, null);
-        lastAddedId = child;
-        lastLevel = manager.getLevel(child);
-    }
-
-    /**
-     * Adds sequentially new node. Using this method is the simplest way of
-     * building tree - if you have all the elements in the sequence as they
-     * should be displayed in fully-expanded tree. You can combine it with add
-     * relation - for example you can add information about few levels using
-     * {@link addRelation} and then after the right level is added as parent,
-     * you can continue adding them using sequential operation.
-     * 
-     * @param id
-     *            id of the node
-     * @param level
-     *            its level
-     */
-    public synchronized void sequentiallyAddNextNode(final T id, final int level) {
-        AndroidLogWrapper.d(TreeBuilder.class, "Adding sequentiall node " + id + " at level " + level);
-        if (lastAddedId == null) {
-            addNodeToParentOneLevelDown(null, id, level);
-        } else {
-            if (level <= lastLevel) {
-                final T parent = findParentAtLevel(lastAddedId, level - 1);
-                addNodeToParentOneLevelDown(parent, id, level);
-            } else {
-                addNodeToParentOneLevelDown(lastAddedId, id, level);
-            }
-        }
-    }
-
-    /**
-     * Find parent of the node at the level specified.
-     * 
-     * @param node
-     *            node from which we start
-     * @param levelToFind
-     *            level which we are looking for
-     * @return the node found (null if it is topmost node).
-     */
-    private T findParentAtLevel(final T node, final int levelToFind) {
-        T parent = manager.getParent(node);
-        while (parent != null) {
-            if (manager.getLevel(parent) == levelToFind) {
-                break;
-            }
-            parent = manager.getParent(parent);
-        }
-        return parent;
-    }
-
-    /**
-     * Adds note to parent at the level specified. But it verifies that the
-     * level is one level down than the parent!
-     * 
-     * @param parent
-     *            parent parent
-     * @param id
-     *            new node id
-     * @param level
-     *            should always be parent's level + 1
-     */
-    private void addNodeToParentOneLevelDown(final T parent, final T id,
-            final int level) {
-        if (parent == null && level != 0) {
-            throw new TreeConfigurationException("Trying to add new id " + id
-                    + " to top level with level != 0 (" + level + ")");
-        }
-        if (parent != null && manager.getLevel(parent) != level - 1) {
-            throw new TreeConfigurationException("Trying to add new id " + id
-                    + " <" + level + "> to " + parent + " <"
-                    + manager.getLevel(parent)
-                    + ">. The difference in levels up is bigger than 1.");
-        }
-        manager.addAfterChild(parent, id, null);
-        setLastAdded(id, level);
-    }
-
-    private void setLastAdded(final T id, final int level) {
-        lastAddedId = id;
-        lastLevel = level;
-    }
-
-}
diff --git a/android/src/pl/polidea/treeview/TreeConfigurationException.java b/android/src/pl/polidea/treeview/TreeConfigurationException.java
deleted file mode 100644
index 1fa72e04c..000000000
--- a/android/src/pl/polidea/treeview/TreeConfigurationException.java
+++ /dev/null
@@ -1,15 +0,0 @@
-package pl.polidea.treeview;
-
-/**
- * Exception thrown when there is a problem with configuring tree.
- * 
- */
-public class TreeConfigurationException extends RuntimeException {
-
-    private static final long serialVersionUID = 1L;
-
-    public TreeConfigurationException(final String detailMessage) {
-        super(detailMessage);
-    }
-
-}
diff --git a/android/src/pl/polidea/treeview/TreeNodeInfo.java b/android/src/pl/polidea/treeview/TreeNodeInfo.java
deleted file mode 100644
index 32d18dd44..000000000
--- a/android/src/pl/polidea/treeview/TreeNodeInfo.java
+++ /dev/null
@@ -1,69 +0,0 @@
-package pl.polidea.treeview;
-
-/**
- * Information about the node.
- * 
- * @param <T>
- *            type of the id for the tree
- */
-public class TreeNodeInfo<T> {
-    private final T id;
-    private final int level;
-    private final boolean withChildren;
-    private final boolean visible;
-    private final boolean expanded;
-
-    /**
-     * Creates the node information.
-     * 
-     * @param id
-     *            id of the node
-     * @param level
-     *            level of the node
-     * @param withChildren
-     *            whether the node has children.
-     * @param visible
-     *            whether the tree node is visible.
-     * @param expanded
-     *            whether the tree node is expanded
-     * 
-     */
-    public TreeNodeInfo(final T id, final int level,
-            final boolean withChildren, final boolean visible,
-            final boolean expanded) {
-        super();
-        this.id = id;
-        this.level = level;
-        this.withChildren = withChildren;
-        this.visible = visible;
-        this.expanded = expanded;
-    }
-
-    public T getId() {
-        return id;
-    }
-
-    public boolean isWithChildren() {
-        return withChildren;
-    }
-
-    public boolean isVisible() {
-        return visible;
-    }
-
-    public boolean isExpanded() {
-        return expanded;
-    }
-
-    public int getLevel() {
-        return level;
-    }
-
-    @Override
-    public String toString() {
-        return "TreeNodeInfo [id=" + id + ", level=" + level
-                + ", withChildren=" + withChildren + ", visible=" + visible
-                + ", expanded=" + expanded + "]";
-    }
-
-}
\ No newline at end of file
diff --git a/android/src/pl/polidea/treeview/TreeStateManager.java b/android/src/pl/polidea/treeview/TreeStateManager.java
deleted file mode 100644
index 781b70e58..000000000
--- a/android/src/pl/polidea/treeview/TreeStateManager.java
+++ /dev/null
@@ -1,193 +0,0 @@
-package pl.polidea.treeview;
-
-import java.io.Serializable;
-import java.util.List;
-
-import android.database.DataSetObserver;
-
-/**
- * Manages information about state of the tree. It only keeps information about
- * tree elements, not the elements themselves.
- * 
- * @param <T>
- *            type of the identifier for nodes in the tree
- */
-public interface TreeStateManager<T> extends Serializable {
-
-    /**
-     * Returns array of integers showing the location of the node in hierarchy.
-     * It corresponds to heading numbering. {0,0,0} in 3 level node is the first
-     * node {0,0,1} is second leaf (assuming that there are two leaves in first
-     * subnode of the first node).
-     * 
-     * @param id
-     *            id of the node
-     * @return textual description of the hierarchy in tree for the node.
-     */
-    Integer[] getHierarchyDescription(T id);
-
-    /**
-     * Returns level of the node.
-     * 
-     * @param id
-     *            id of the node
-     * @return level in the tree
-     */
-    int getLevel(T id);
-
-    /**
-     * Returns information about the node.
-     * 
-     * @param id
-     *            node id
-     * @return node info
-     */
-    TreeNodeInfo<T> getNodeInfo(T id);
-
-    /**
-     * Returns children of the node.
-     * 
-     * @param id
-     *            id of the node or null if asking for top nodes
-     * @return children of the node
-     */
-    List<T> getChildren(T id);
-
-    /**
-     * Returns parent of the node.
-     * 
-     * @param id
-     *            id of the node
-     * @return parent id or null if no parent
-     */
-    T getParent(T id);
-
-    /**
-     * Adds the node before child or at the beginning.
-     * 
-     * @param parent
-     *            id of the parent node. If null - adds at the top level
-     * @param newChild
-     *            new child to add if null - adds at the beginning.
-     * @param beforeChild
-     *            child before which to add the new child
-     */
-    void addBeforeChild(T parent, T newChild, T beforeChild);
-
-    /**
-     * Adds the node after child or at the end.
-     * 
-     * @param parent
-     *            id of the parent node. If null - adds at the top level.
-     * @param newChild
-     *            new child to add. If null - adds at the end.
-     * @param afterChild
-     *            child after which to add the new child
-     */
-    void addAfterChild(T parent, T newChild, T afterChild);
-
-    /**
-     * Removes the node and all children from the tree.
-     * 
-     * @param id
-     *            id of the node to remove or null if all nodes are to be
-     *            removed.
-     */
-    void removeNodeRecursively(T id);
-
-    /**
-     * Expands all children of the node.
-     * 
-     * @param id
-     *            node which children should be expanded. cannot be null (top
-     *            nodes are always expanded!).
-     */
-    void expandDirectChildren(T id);
-
-    /**
-     * Expands everything below the node specified. Might be null - then expands
-     * all.
-     * 
-     * @param id
-     *            node which children should be expanded or null if all nodes
-     *            are to be expanded.
-     */
-    void expandEverythingBelow(T id);
-
-    /**
-     * Collapse children.
-     * 
-     * @param id
-     *            id collapses everything below node specified. If null,
-     *            collapses everything but top-level nodes.
-     */
-    void collapseChildren(T id);
-
-    /**
-     * Returns next sibling of the node (or null if no further sibling).
-     * 
-     * @param id
-     *            node id
-     * @return the sibling (or null if no next)
-     */
-    T getNextSibling(T id);
-
-    /**
-     * Returns previous sibling of the node (or null if no previous sibling).
-     * 
-     * @param id
-     *            node id
-     * @return the sibling (or null if no previous)
-     */
-    T getPreviousSibling(T id);
-
-    /**
-     * Checks if given node is already in tree.
-     * 
-     * @param id
-     *            id of the node
-     * @return true if node is already in tree.
-     */
-    boolean isInTree(T id);
-
-    /**
-     * Count visible elements.
-     * 
-     * @return number of currently visible elements.
-     */
-    int getVisibleCount();
-
-    /**
-     * Returns visible node list.
-     * 
-     * @return return the list of all visible nodes in the right sequence
-     */
-    List<T> getVisibleList();
-
-    /**
-     * Registers observers with the manager.
-     * 
-     * @param observer
-     *            observer
-     */
-    void registerDataSetObserver(final DataSetObserver observer);
-
-    /**
-     * Unregisters observers with the manager.
-     * 
-     * @param observer
-     *            observer
-     */
-    void unregisterDataSetObserver(final DataSetObserver observer);
-
-    /**
-     * Cleans tree stored in manager. After this operation the tree is empty.
-     * 
-     */
-    void clear();
-
-    /**
-     * Refreshes views connected to the manager.
-     */
-    void refresh();
-}
diff --git a/android/src/pl/polidea/treeview/TreeViewList.java b/android/src/pl/polidea/treeview/TreeViewList.java
deleted file mode 100644
index 637a63cf2..000000000
--- a/android/src/pl/polidea/treeview/TreeViewList.java
+++ /dev/null
@@ -1,199 +0,0 @@
-package pl.polidea.treeview;
-
-import net.sf.openrocket.R;
-import android.content.Context;
-import android.content.res.TypedArray;
-import android.graphics.drawable.Drawable;
-import android.util.AttributeSet;
-import android.view.Gravity;
-import android.view.View;
-import android.widget.AdapterView;
-import android.widget.ListAdapter;
-import android.widget.ListView;
-
-/**
- * Tree view, expandable multi-level.
- * 
- * <pre>
- * attr ref pl.polidea.treeview.R.styleable#TreeViewList_collapsible
- * attr ref pl.polidea.treeview.R.styleable#TreeViewList_src_expanded
- * attr ref pl.polidea.treeview.R.styleable#TreeViewList_src_collapsed
- * attr ref pl.polidea.treeview.R.styleable#TreeViewList_indent_width
- * attr ref pl.polidea.treeview.R.styleable#TreeViewList_handle_trackball_press
- * attr ref pl.polidea.treeview.R.styleable#TreeViewList_indicator_gravity
- * attr ref pl.polidea.treeview.R.styleable#TreeViewList_indicator_background
- * attr ref pl.polidea.treeview.R.styleable#TreeViewList_row_background
- * </pre>
- */
-public class TreeViewList extends ListView {
-    private static final int DEFAULT_COLLAPSED_RESOURCE = R.drawable.collapsed;
-    private static final int DEFAULT_EXPANDED_RESOURCE = R.drawable.expanded;
-    private static final int DEFAULT_INDENT = 0;
-    private static final int DEFAULT_GRAVITY = Gravity.LEFT
-            | Gravity.CENTER_VERTICAL;
-    private Drawable expandedDrawable;
-    private Drawable collapsedDrawable;
-    private Drawable rowBackgroundDrawable;
-    private Drawable indicatorBackgroundDrawable;
-    private int indentWidth = 0;
-    private int indicatorGravity = 0;
-    private AbstractTreeViewAdapter< ? > treeAdapter;
-    private boolean collapsible;
-    private boolean handleTrackballPress;
-
-    public TreeViewList(final Context context, final AttributeSet attrs) {
-        this(context, attrs, R.style.treeViewListStyle);
-    }
-
-	public TreeViewList(final Context context) {
-        this(context, null);
-    }
-
-    public TreeViewList(final Context context, final AttributeSet attrs,
-            final int defStyle) {
-        super(context, attrs, defStyle);
-        parseAttributes(context, attrs);
-    }
-
-    private void parseAttributes(final Context context, final AttributeSet attrs) {
-        final TypedArray a = context.obtainStyledAttributes(attrs,
-                R.styleable.TreeViewList);
-        expandedDrawable = a.getDrawable(R.styleable.TreeViewList_src_expanded);
-        if (expandedDrawable == null) {
-            expandedDrawable = context.getResources().getDrawable(
-                    DEFAULT_EXPANDED_RESOURCE);
-        }
-        collapsedDrawable = a
-                .getDrawable(R.styleable.TreeViewList_src_collapsed);
-        if (collapsedDrawable == null) {
-            collapsedDrawable = context.getResources().getDrawable(
-                    DEFAULT_COLLAPSED_RESOURCE);
-        }
-        indentWidth = a.getDimensionPixelSize(
-                R.styleable.TreeViewList_indent_width, DEFAULT_INDENT);
-        indicatorGravity = a.getInteger(
-                R.styleable.TreeViewList_indicator_gravity, DEFAULT_GRAVITY);
-        indicatorBackgroundDrawable = a
-                .getDrawable(R.styleable.TreeViewList_indicator_background);
-        rowBackgroundDrawable = a
-                .getDrawable(R.styleable.TreeViewList_row_background);
-        collapsible = a.getBoolean(R.styleable.TreeViewList_collapsible, true);
-        handleTrackballPress = a.getBoolean(
-                R.styleable.TreeViewList_handle_trackball_press, true);
-    }
-
-    @Override
-    public void setAdapter(final ListAdapter adapter) {
-        if (!(adapter instanceof AbstractTreeViewAdapter)) {
-            throw new TreeConfigurationException(
-                    "The adapter is not of TreeViewAdapter type");
-        }
-        treeAdapter = (AbstractTreeViewAdapter< ? >) adapter;
-        syncAdapter();
-        super.setAdapter(treeAdapter);
-    }
-
-    private void syncAdapter() {
-        treeAdapter.setCollapsedDrawable(collapsedDrawable);
-        treeAdapter.setExpandedDrawable(expandedDrawable);
-        treeAdapter.setIndicatorGravity(indicatorGravity);
-        treeAdapter.setIndentWidth(indentWidth);
-        treeAdapter.setIndicatorBackgroundDrawable(indicatorBackgroundDrawable);
-        treeAdapter.setRowBackgroundDrawable(rowBackgroundDrawable);
-        treeAdapter.setCollapsible(collapsible);
-        if (handleTrackballPress) {
-            setOnItemClickListener(new OnItemClickListener() {
-                @Override
-                public void onItemClick(final AdapterView< ? > parent,
-                        final View view, final int position, final long id) {
-                    treeAdapter.handleItemClick(view, view.getTag());
-                }
-            });
-        } else {
-            setOnClickListener(null);
-        }
-
-    }
-
-    public void setExpandedDrawable(final Drawable expandedDrawable) {
-        this.expandedDrawable = expandedDrawable;
-        syncAdapter();
-        treeAdapter.refresh();
-    }
-
-    public void setCollapsedDrawable(final Drawable collapsedDrawable) {
-        this.collapsedDrawable = collapsedDrawable;
-        syncAdapter();
-        treeAdapter.refresh();
-    }
-
-    public void setRowBackgroundDrawable(final Drawable rowBackgroundDrawable) {
-        this.rowBackgroundDrawable = rowBackgroundDrawable;
-        syncAdapter();
-        treeAdapter.refresh();
-    }
-
-    public void setIndicatorBackgroundDrawable(
-            final Drawable indicatorBackgroundDrawable) {
-        this.indicatorBackgroundDrawable = indicatorBackgroundDrawable;
-        syncAdapter();
-        treeAdapter.refresh();
-    }
-
-    public void setIndentWidth(final int indentWidth) {
-        this.indentWidth = indentWidth;
-        syncAdapter();
-        treeAdapter.refresh();
-    }
-
-    public void setIndicatorGravity(final int indicatorGravity) {
-        this.indicatorGravity = indicatorGravity;
-        syncAdapter();
-        treeAdapter.refresh();
-    }
-
-    public void setCollapsible(final boolean collapsible) {
-        this.collapsible = collapsible;
-        syncAdapter();
-        treeAdapter.refresh();
-    }
-
-    public void setHandleTrackballPress(final boolean handleTrackballPress) {
-        this.handleTrackballPress = handleTrackballPress;
-        syncAdapter();
-        treeAdapter.refresh();
-    }
-
-    public Drawable getExpandedDrawable() {
-        return expandedDrawable;
-    }
-
-    public Drawable getCollapsedDrawable() {
-        return collapsedDrawable;
-    }
-
-    public Drawable getRowBackgroundDrawable() {
-        return rowBackgroundDrawable;
-    }
-
-    public Drawable getIndicatorBackgroundDrawable() {
-        return indicatorBackgroundDrawable;
-    }
-
-    public int getIndentWidth() {
-        return indentWidth;
-    }
-
-    public int getIndicatorGravity() {
-        return indicatorGravity;
-    }
-
-    public boolean isCollapsible() {
-        return collapsible;
-    }
-
-    public boolean isHandleTrackballPress() {
-        return handleTrackballPress;
-    }
-
-}
diff --git a/android/src/pl/polidea/treeview/license.txt b/android/src/pl/polidea/treeview/license.txt
deleted file mode 100644
index 1fd37cffd..000000000
--- a/android/src/pl/polidea/treeview/license.txt
+++ /dev/null
@@ -1,19 +0,0 @@
-Android tree-view-list is 2-clause BSD licensed.
-
-http://code.google.com/p/tree-view-list-android/
-
-Copyright (c) <YEAR>, <OWNER>
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
-following conditions are met:
-
-    Redistributions of source code must retain the above copyright notice, this list of conditions and
-    the following disclaimer.
-    Redistributions in binary form must reproduce the above copyright notice, this list of conditions and
-    the following disclaimer in the documentation and/or other materials provided with the distribution.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
-INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
\ No newline at end of file
diff --git a/android/src/pl/polidea/treeview/package-info.java b/android/src/pl/polidea/treeview/package-info.java
deleted file mode 100644
index a622e091b..000000000
--- a/android/src/pl/polidea/treeview/package-info.java
+++ /dev/null
@@ -1,4 +0,0 @@
-/**
- * Provides expandable Tree View implementation.
- */
-package pl.polidea.treeview;
\ No newline at end of file