From 54cd37ae861e57b33c0a6f1b6b5098da848ec05b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Parm=C3=A9nides=20GV?= <parmegv@sdf.org>
Date: Thu, 29 Aug 2013 10:13:56 +0200
Subject: Added a custom adapter to the ProviderListFragment

I've created a new adapter using code from
http://www.sherif.mobi/2012/01/listview-with-ability-to-hide-rows.html
and my own getView (moved from ProviderListFragment).
---
 .../leap/bitmaskclient/ProviderListFragment.java   | 25 +------
 src/se/leap/leapclient/ProviderListAdapter.java    | 85 ++++++++++++++++++++++
 2 files changed, 89 insertions(+), 21 deletions(-)
 create mode 100644 src/se/leap/leapclient/ProviderListAdapter.java

diff --git a/src/se/leap/bitmaskclient/ProviderListFragment.java b/src/se/leap/bitmaskclient/ProviderListFragment.java
index 05cd4b78..b9a10925 100644
--- a/src/se/leap/bitmaskclient/ProviderListFragment.java
+++ b/src/se/leap/bitmaskclient/ProviderListFragment.java
@@ -26,8 +26,6 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ArrayAdapter;
 import android.widget.ListView;
-import android.content.Context;
-import android.widget.TwoLineListItem;
 
 /**
  * A list fragment representing a list of Providers. This fragment
@@ -91,27 +89,12 @@ public class ProviderListFragment extends ListFragment {
     @Override
     public void onCreate(Bundle savedInstanceState) {
     	super.onCreate(savedInstanceState);
-        content_adapter = new ArrayAdapter<ProviderListContent.ProviderItem>(
+        content_adapter = new ProviderListAdapter<ProviderListContent.ProviderItem>(
                 getActivity(),
                 android.R.layout.simple_list_item_activated_2,
-		ProviderListContent.ITEMS) {
-			@Override
-			public View getView(int position, View convertView, ViewGroup parent){
-				TwoLineListItem row;            
-				if (convertView == null) {
-					LayoutInflater inflater = (LayoutInflater)getActivity().getApplicationContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
-					row = (TwoLineListItem)inflater.inflate(android.R.layout.simple_list_item_2, null);                    
-				} else {
-					row = (TwoLineListItem)convertView;
-				}
-				ProviderListContent.ProviderItem data = ProviderListContent.ITEMS.get(position);
-				row.getText1().setText(data.domain);
-				row.getText2().setText(data.name);
-
-				return row;
-			}
-	};
-	setListAdapter(content_adapter);
+		ProviderListContent.ITEMS);
+			
+        setListAdapter(content_adapter);
     }
 
     @Override
diff --git a/src/se/leap/leapclient/ProviderListAdapter.java b/src/se/leap/leapclient/ProviderListAdapter.java
new file mode 100644
index 00000000..441763d0
--- /dev/null
+++ b/src/se/leap/leapclient/ProviderListAdapter.java
@@ -0,0 +1,85 @@
+package se.leap.leapclient;
+
+import java.util.List;
+import java.lang.reflect.Array;
+import java.lang.reflect.ParameterizedType;
+import java.lang.reflect.Type;
+
+import android.content.Context;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.TwoLineListItem;
+
+public class ProviderListAdapter<T> extends ArrayAdapter<T> {
+	T[] items = null;
+	boolean[] hidden = null;
+	
+	public void hide(int position) {
+		hidden[getRealPosition(position)] = true;
+		notifyDataSetChanged();
+		notifyDataSetInvalidated();
+	}
+	public void unHide(int position) {
+		hidden[getRealPosition(position)] = false;
+		notifyDataSetChanged();
+		notifyDataSetInvalidated();
+	}
+	
+	private int getRealPosition(int position) {
+		int hElements = getHiddenCountUpTo(position);
+		int diff = 0;
+		for(int i=0;i<hElements;i++) {
+			diff++;
+			if(hidden[position+diff])
+				i--;
+		}
+		return (position + diff);
+	}
+	private int getHiddenCount() {
+		int count = 0;
+		for(int i=0;i<items.length;i++)
+			if(hidden[i])
+				count++;
+		return count;
+	}
+	private int getHiddenCountUpTo(int location) {
+		int count = 0;
+		for(int i=0;i<=location;i++) {
+			if(hidden[i])
+				count++;
+		}
+		return count;
+	}
+
+	@Override
+	public int getCount() {
+		return (items.length - getHiddenCount());
+	}
+
+	public ProviderListAdapter(Context mContext, int layout, List<T> objects) {
+		super(mContext, layout, objects);
+		items = objects.toArray((T[])new Object[0]);
+		hidden = new boolean[items.length];
+		for (int i = 0; i < items.length; i++)
+			hidden[i] = false;
+	}
+
+	@Override
+	public View getView(int position, View convertView, ViewGroup parent) {
+		TwoLineListItem row;            
+		if (convertView == null) {
+			LayoutInflater inflater = (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+			row = (TwoLineListItem)inflater.inflate(android.R.layout.simple_list_item_2, null);                    
+		} else {
+			row = (TwoLineListItem)convertView;
+		}
+		ProviderListContent.ProviderItem data = ProviderListContent.ITEMS.get(position);
+		row.getText1().setText(data.domain);
+		row.getText2().setText(data.name);
+
+		return row;
+	}
+}
-- 
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