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Implemented sub forums.

Browse Source 
When the user selects a category, the sub forums are now displayed to
them.

Signed-off-by: Ricky Barrette <rickbarrette@gmail.com>
This commit is contained in:
Ricky Barrette
2012-08-30 14:33:29 -04:00
parent 1b5b54d5d9
commit 1c8da79a6e
6 changed files with 198 additions and 46 deletions
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2
OSJ Forum/AndroidManifest.xml
View File

@@ -1,5 +1,5 @@
<manifest package="com.RickBarrette.osj.forum"
android:versionCode="30"
android:versionCode="41"
android:versionName="1.0" xmlns:android="http://schemas.android.com/apk/res/android" android:installLocation="auto">
<uses-sdk

58
OSJ Forum/src/com/RickBarrette/osj/forum/ForumDetailFragment.java
View File

@@ -20,19 +20,27 @@
package com.RickBarrette.osj.forum;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.support.v4.app.ListFragment;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import android.widget.AbsListView;
import android.widget.AdapterView;
import android.widget.ListView;
import com.RickBarrette.osj.forum.dummy.DummyContent;
import com.RickBarrette.osj.forum.content.ForumContent;
import com.RickBarrette.osj.forum.content.ForumContent.ForumItem;
import com.RickBarrette.osj.forum.content.SubForumAdapter;
public class ForumDetailFragment extends Fragment {
/**
* This fragment will be used to display information about the forum
* @author ricky barrette
*/
public class ForumDetailFragment extends ListFragment {
public static final String ARG_ITEM_ID = "item_id";
private int mActivatedPosition = ListView.INVALID_POSITION;
private static final String STATE_ACTIVATED_POSITION = "activated_position";
DummyContent.DummyItem mItem;
ForumItem mItem;
public ForumDetailFragment() {
}
@@ -41,14 +49,36 @@ public class ForumDetailFragment extends Fragment {
public void onCreate(final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (getArguments().containsKey(ARG_ITEM_ID))
mItem = DummyContent.ITEM_MAP.get(getArguments().getString(ARG_ITEM_ID));
mItem = ForumContent.ITEM_MAP.get(getArguments().getString(ARG_ITEM_ID));
if(mItem != null)
this.setListAdapter(new SubForumAdapter(getActivity(), Integer.parseInt(getArguments().getString(ARG_ITEM_ID))));
}
@Override
public void onSaveInstanceState(final Bundle outState) {
super.onSaveInstanceState(outState);
if (mActivatedPosition != AdapterView.INVALID_POSITION)
outState.putInt(STATE_ACTIVATED_POSITION, mActivatedPosition);
}
@Override
public View onCreateView(final LayoutInflater inflater, final ViewGroup container, final Bundle savedInstanceState) {
final View rootView = inflater.inflate(R.layout.fragment_forum_detail, container, false);
if (mItem != null)
((TextView) rootView.findViewById(R.id.forum_detail)).setText(mItem.content);
return rootView;
public void onViewCreated(final View view, final Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
if (savedInstanceState != null && savedInstanceState.containsKey(STATE_ACTIVATED_POSITION))
setActivatedPosition(savedInstanceState.getInt(STATE_ACTIVATED_POSITION));
}
}
public void setActivatedPosition(final int position) {
if (position == AdapterView.INVALID_POSITION)
getListView().setItemChecked(mActivatedPosition, false);
else
getListView().setItemChecked(position, true);
mActivatedPosition = position;
}
public void setActivateOnItemClick(final boolean activateOnItemClick) {
getListView().setChoiceMode(activateOnItemClick ? AbsListView.CHOICE_MODE_SINGLE : AbsListView.CHOICE_MODE_NONE);
}
}

2
OSJ Forum/src/com/RickBarrette/osj/forum/ForumListFragment.java
View File

@@ -92,7 +92,7 @@ public class ForumListFragment extends ListFragment {
@Override
public void onListItemClick(final ListView listView, final View view, final int position, final long id) {
super.onListItemClick(listView, view, position, id);
mCallbacks.onItemSelected(DummyContent.ITEMS.get(position).id);
mCallbacks.onItemSelected(ForumContent.ITEMS.get(position).id);
}
@Override

57
OSJ Forum/src/com/RickBarrette/osj/forum/content/ForumAdapter.java
View File

@@ -24,22 +24,19 @@ import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.CheckBox;
import android.widget.TextView;
import com.RickBarrette.osj.forum.R;
import com.RickBarrette.osj.forum.content.ForumContent.ForumItem;
/**
*
* This adapter will be used to populate a list view with forum entries
* @author ricky barrette
*/
public class ForumAdapter extends BaseAdapter {
class ViewHolder {
TextView title;
TextView description;
CheckBox checkbox;
}
private LayoutInflater mInflater;
@@ -82,37 +79,37 @@ public class ForumAdapter extends BaseAdapter {
@Override
public View getView(int position, View convertView, ViewGroup parent) {
// A ViewHolder keeps references to children views to avoid unnecessary
// calls to findViewById() on each row.
ViewHolder holder;
// calls to findViewById() on each row.
ViewHolder holder;
// When convertView is not null, we can reuse it directly, there is no
// need
// to reinflate it. We only inflate a new View when the convertView
// supplied
// by ListView is null.
if (convertView == null) {
convertView = mInflater.inflate(R.layout.forum_item, null);
// When convertView is not null, we can reuse it directly, there is no
// need
// to reinflate it. We only inflate a new View when the convertView
// supplied
// by ListView is null.
if (convertView == null) {
convertView = mInflater.inflate(R.layout.forum_item, null);
// Creates a ViewHolder and store references to the two children
// views
// we want to bind data to.
holder = new ViewHolder();
holder.title = (TextView) convertView.findViewById(R.id.textView1);
// Creates a ViewHolder and store references to the two children
// views
// we want to bind data to.
holder = new ViewHolder();
holder.title = (TextView) convertView.findViewById(R.id.textView1);
convertView.setTag(holder);
} else
// Get the ViewHolder back to get fast access to the TextView
// and the ImageView.
holder = (ViewHolder) convertView.getTag();
convertView.setTag(holder);
} else
// Get the ViewHolder back to get fast access to the TextView
// and the ImageView.
holder = (ViewHolder) convertView.getTag();
/*
* Bind the data efficiently with the holder. Remember that you should
* always call setChecked() after calling setOnCheckedChangedListener.
* This will prevent the list from changing the values on you.
*/
holder.title.setText(new String((byte[]) getItem(position).content.get("forum_name")));
return convertView;
/*
* Bind the data efficiently with the holder. Remember that you should
* always call setChecked() after calling setOnCheckedChangedListener.
* This will prevent the list from changing the values on you.
*/
holder.title.setText(new String((byte[]) getItem(position).content.get("forum_name")));
return convertView;
}
}

4
OSJ Forum/src/com/RickBarrette/osj/forum/content/ForumContent.java
View File

@@ -51,6 +51,10 @@ public class ForumContent {
public String toString() {
return (String) content.get("forum_name");
}
public Object[] getChildren(){
return (Object[]) this.content.get("child");
}
}
public static List<ForumItem> ITEMS = new ArrayList<ForumItem>();

121
OSJ Forum/src/com/RickBarrette/osj/forum/content/SubForumAdapter.java Normal file
View File

@@ -0,0 +1,121 @@
/**
* SubForumAdapter.java
* @date Aug 30, 2012
* @author ricky barrette
*
* Copyright 2012 Richard Barrette
*
* 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
*/
package com.RickBarrette.osj.forum.content;
import java.util.HashMap;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;
import com.RickBarrette.osj.forum.R;
/**
*
* @author ricky barrette
*/
public class SubForumAdapter extends BaseAdapter {
class ViewHolder {
TextView title;
}
private LayoutInflater mInflater;
private Object[] mSubForums;
/**
*
* @author ricky barrette
*/
public SubForumAdapter(Context context, int position) {
mInflater = LayoutInflater.from(context);
mSubForums = ForumContent.ITEMS.get(position).getChildren();
}
/* (non-Javadoc)
* @see android.widget.Adapter#getCount()
*/
@Override
public int getCount() {
if(mSubForums != null)
return mSubForums.length;
else
return 0;
}
/* (non-Javadoc)
* @see android.widget.Adapter#getItem(int)
*/
@Override
public HashMap<?,?> getItem(int position) {
return (HashMap<?,?>) mSubForums[position];
}
/* (non-Javadoc)
* @see android.widget.Adapter#getItemId(int)
*/
@Override
public long getItemId(int position) {
return position;
}
/* (non-Javadoc)
* @see android.widget.Adapter#getView(int, android.view.View, android.view.ViewGroup)
*/
@Override
public View getView(int position, View convertView, ViewGroup parent) {
// A ViewHolder keeps references to children views to avoid unnecessary
// calls to findViewById() on each row.
ViewHolder holder;
// When convertView is not null, we can reuse it directly, there is no
// need
// to reinflate it. We only inflate a new View when the convertView
// supplied
// by ListView is null.
if (convertView == null) {
convertView = mInflater.inflate(R.layout.forum_item, null);
// Creates a ViewHolder and store references to the two children
// views
// we want to bind data to.
holder = new ViewHolder();
holder.title = (TextView) convertView.findViewById(R.id.textView1);
convertView.setTag(holder);
} else
// Get the ViewHolder back to get fast access to the TextView
// and the ImageView.
holder = (ViewHolder) convertView.getTag();
/*
* Bind the data efficiently with the holder. Remember that you should
* always call setChecked() after calling setOnCheckedChangedListener.
* This will prevent the list from changing the values on you.
*/
holder.title.setText(new String((byte[]) getItem(position).get("forum_name")));
return convertView;
}
}