431 lines
16 KiB
Java
431 lines
16 KiB
Java
package com.cradle.iitc_mobile.prefs;
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import android.content.ActivityNotFoundException;
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import android.content.Context;
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import android.content.Intent;
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import android.content.res.AssetManager;
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import android.net.Uri;
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import android.os.Bundle;
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import android.preference.PreferenceActivity;
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import android.text.TextUtils;
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import android.view.LayoutInflater;
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import android.view.Menu;
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import android.view.MenuItem;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.ArrayAdapter;
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import android.widget.ListAdapter;
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import android.widget.TextView;
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import android.widget.Toast;
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import com.cradle.iitc_mobile.IITC_FileManager;
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import com.cradle.iitc_mobile.IITC_NotificationHelper;
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import com.cradle.iitc_mobile.Log;
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import com.cradle.iitc_mobile.R;
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import com.cradle.iitc_mobile.fragments.PluginsFragment;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.TreeMap;
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public class PluginPreferenceActivity extends PreferenceActivity {
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private final static int COPY_PLUGIN_REQUEST = 1;
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private List<Header> mHeaders;
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// we use a tree map to have a map with alphabetical order
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// don't initialize the asset plugin map, because it tells us if the settings are started the first time
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// and we have to parse plugins to build the preference screen
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private static TreeMap<String, ArrayList<PluginPreference>> sAssetPlugins = null;
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// user plugins can be initialized.
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private static final TreeMap<String, ArrayList<PluginPreference>> sUserPlugins =
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new TreeMap<String, ArrayList<PluginPreference>>();
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private static int mDeletedPlugins = 0;
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private IITC_FileManager mFileManager;
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@Override
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public void setListAdapter(final ListAdapter adapter) {
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if (adapter == null) {
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super.setListAdapter(null);
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} else {
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super.setListAdapter(new HeaderAdapter(this, mHeaders));
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}
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}
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@Override
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public void onBuildHeaders(final List<Header> target) {
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getActionBar().setDisplayHomeAsUpEnabled(true);
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// notify about external plugins
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final IITC_NotificationHelper nh = new IITC_NotificationHelper(this);
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nh.showNotice(IITC_NotificationHelper.NOTICE_EXTPLUGINS);
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mHeaders = target;
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// since the plugins container is static,
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// it is enough to parse the plugin only on first start.
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if (sAssetPlugins == null) {
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Log.d("opened plugin prefs the first time since app start -> parse plugins");
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sAssetPlugins = new TreeMap<String, ArrayList<PluginPreference>>();
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setUpPluginPreferenceScreen();
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} else {
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checkForNewPlugins();
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}
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addHeaders();
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}
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@Override
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protected void onCreate(final Bundle savedInstanceState) {
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// on tablets, select a default fragment BEFORE calling super onCreate
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// otherwise the application will crash, because the first header (the
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// category) does not have a fragment assigned
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if (onIsMultiPane()) {
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getIntent()
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.putExtra(PreferenceActivity.EXTRA_SHOW_FRAGMENT, PluginsFragment.class.getName());
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}
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mFileManager = new IITC_FileManager(this);
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final Uri uri = getIntent().getData();
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if (uri != null) {
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mFileManager.installPlugin(uri, true);
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}
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super.onCreate(savedInstanceState);
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}
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@Override
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protected void onResume() {
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// Call super :
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super.onResume();
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// Select the displayed fragment in the headers (when using a tablet) :
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// This should be done by Android, it is a bug fix
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// thx to http://stackoverflow.com/a/16793839
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if (mHeaders != null) {
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final String displayedFragment = getIntent().getStringExtra(EXTRA_SHOW_FRAGMENT);
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if (displayedFragment != null) {
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for (final Header header : mHeaders) {
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if (displayedFragment.equals(header.fragment)) {
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switchToHeader(header);
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break;
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}
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}
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}
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}
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}
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@Override
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public boolean onCreateOptionsMenu(Menu menu) {
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getMenuInflater().inflate(R.menu.plugins, menu);
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return super.onCreateOptionsMenu(menu);
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}
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@Override
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public boolean onOptionsItemSelected(final MenuItem item) {
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switch (item.getItemId()) {
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case android.R.id.home: // exit settings when home button (iitc icon) is pressed
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onBackPressed();
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return true;
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case R.id.menu_plugins_add:
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// create the chooser Intent
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final Intent target = new Intent(Intent.ACTION_GET_CONTENT);
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// iitcm only parses *.user.js scripts
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target.setType("file/*");
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target.addCategory(Intent.CATEGORY_OPENABLE);
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try {
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startActivityForResult(Intent.createChooser(target, "Choose file"), COPY_PLUGIN_REQUEST);
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} catch (final ActivityNotFoundException e) {
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Toast.makeText(this, "No activity to select a file found." +
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"Please install a file browser of your choice!", Toast.LENGTH_LONG).show();
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}
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default:
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return super.onOptionsItemSelected(item);
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}
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}
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@Override
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protected void onActivityResult(int requestCode, int resultCode, Intent data) {
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switch(requestCode) {
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case COPY_PLUGIN_REQUEST:
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if (data != null && data.getData() != null) {
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mFileManager.installPlugin(data.getData(), true);
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return;
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}
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break;
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default:
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super.onActivityResult(requestCode, resultCode, data);
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break;
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}
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}
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@Override
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protected boolean isValidFragment(final String s) {
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return true;
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}
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// called by Plugins Fragment
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public static ArrayList<PluginPreference> getPluginPreference(final String key, final boolean userPlugin) {
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if (userPlugin) return sUserPlugins.get(key);
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return sAssetPlugins.get(key);
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}
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private String[] getAssetPlugins() {
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final AssetManager am = getAssets();
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String[] asset_array = null;
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try {
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asset_array = am.list("plugins");
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} catch (final IOException e) {
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Log.w(e);
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}
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if (asset_array == null) {
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asset_array = new String[0];
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}
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return asset_array;
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}
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private File[] getUserPlugins() {
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final File directory = new File(IITC_FileManager.PLUGINS_PATH);
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File[] files = directory.listFiles();
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if (files == null) {
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files = new File[0];
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}
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return files;
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}
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void checkForNewPlugins() {
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final File[] userPlugins = getUserPlugins();
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final String[] officialPlugins = getAssetPlugins();
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int numPlugins = 0;
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for (final Map.Entry<String, ArrayList<PluginPreference>> entry : sUserPlugins.entrySet()) {
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numPlugins += entry.getValue().size();
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}
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for (final Map.Entry<String, ArrayList<PluginPreference>> entry : sAssetPlugins.entrySet()) {
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numPlugins += entry.getValue().size();
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}
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if ((userPlugins.length + officialPlugins.length) != (numPlugins + mDeletedPlugins)) {
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Log.d("new or less plugins found since last start, rebuild preferences");
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sAssetPlugins.clear();
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sUserPlugins.clear();
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mDeletedPlugins = 0;
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setUpPluginPreferenceScreen();
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}
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}
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void setUpPluginPreferenceScreen() {
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// get all plugins from asset manager
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final String[] assets = getAssetPlugins();
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for (final String asset : assets) {
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// find user plugin name for user readable entries
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try {
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final InputStream is = getAssets().open("plugins/" + asset);
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addPluginPreference(IITC_FileManager.readStream(is), asset, false);
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} catch (final FileNotFoundException e) {
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Log.e(asset + " not found", e);
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} catch (final IOException e) {
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Log.e("couldn't read plugin " + asset, e);
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}
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}
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// load user plugins from <storage-path>/IITC_Mobile/plugins/
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final File[] files = getUserPlugins();
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for (final File file : files) {
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try {
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final InputStream is = new FileInputStream(file);
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addPluginPreference(IITC_FileManager.readStream(is), file.toString(), true);
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} catch (final FileNotFoundException e) {
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Log.e("couldn't read plugin " + file.toString(), e);
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}
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}
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}
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void addPluginPreference(final String src, final String plugin_key, final boolean userPlugin) {
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// parse plugin name, description and category
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// we need default versions here otherwise iitcm may crash
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final HashMap<String, String> info = IITC_FileManager.getScriptInfo(src);
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String plugin_name = info.get("name");
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final String plugin_cat = info.get("category");
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final String plugin_desc = info.get("description");
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// remove IITC plugin prefix from plugin_name
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plugin_name = plugin_name.replace("IITC Plugin: ", "");
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plugin_name = plugin_name.replace("IITC plugin: ", "");
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// do not add deleted or stock map plugins
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if (plugin_cat.equals("Deleted") || plugin_cat.equals("Stock")) {
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mDeletedPlugins++;
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return;
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}
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// now we have all stuff together and can build the preference
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// first check if we need a new category
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if (userPlugin) {
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if (!sUserPlugins.containsKey(plugin_cat)) {
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sUserPlugins.put(plugin_cat, new ArrayList<PluginPreference>());
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Log.d("create " + plugin_cat + " and add " + plugin_name);
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}
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} else {
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if (!sAssetPlugins.containsKey(plugin_cat)) {
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sAssetPlugins.put(plugin_cat, new ArrayList<PluginPreference>());
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Log.d("create " + plugin_cat + " and add " + plugin_name);
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}
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}
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// now build a new checkable preference for the plugin
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final PluginPreference plugin_pref = new PluginPreference(this);
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plugin_pref.setKey(plugin_key);
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plugin_pref.setTitle(plugin_name);
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plugin_pref.setSummary(plugin_desc);
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plugin_pref.setDefaultValue(false);
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plugin_pref.setPersistent(true);
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final ArrayList<PluginPreference> list =
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userPlugin ? sUserPlugins.get(plugin_cat) : sAssetPlugins.get(plugin_cat);
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list.add(plugin_pref);
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}
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void addHeaders() {
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if (sUserPlugins.size() > 0) {
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final Header category = new Header();
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category.title = "User Plugins";
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mHeaders.add(category);
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for (final Map.Entry<String, ArrayList<PluginPreference>> entry : sUserPlugins.entrySet()) {
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addHeader(entry.getKey(), true);
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}
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}
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if (sAssetPlugins.size() > 0) {
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final Header category = new Header();
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category.title = "Official Plugins";
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mHeaders.add(category);
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for (final Map.Entry<String, ArrayList<PluginPreference>> entry : sAssetPlugins.entrySet()) {
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addHeader(entry.getKey(), false);
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}
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}
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}
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private void addHeader(final String title, final boolean userPlugin) {
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final Bundle bundle = new Bundle();
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bundle.putString("category", title);
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bundle.putBoolean("userPlugin", userPlugin);
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final Header newHeader = new Header();
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newHeader.title = title;
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newHeader.fragmentArguments = bundle;
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newHeader.fragment = "com.cradle.iitc_mobile.fragments.PluginsFragment";
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mHeaders.add(newHeader);
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}
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/*
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* This code is only for header categories. Thx to Android that we haven't this by default and
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* thx to Stackoverflow for this post: http://stackoverflow.com/a/18720212
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*/
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private static class HeaderAdapter extends ArrayAdapter<Header> {
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static final int HEADER_TYPE_CATEGORY = 0;
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static final int HEADER_TYPE_NORMAL = 1;
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private static final int HEADER_TYPE_COUNT = HEADER_TYPE_NORMAL + 1;
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private static class HeaderViewHolder {
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TextView title;
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TextView summary;
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}
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private final LayoutInflater mInflater;
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static int getHeaderType(final Header header) {
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if (header.fragment == null && header.intent == null) {
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return HEADER_TYPE_CATEGORY;
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} else {
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return HEADER_TYPE_NORMAL;
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}
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}
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@Override
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public int getItemViewType(final int position) {
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final Header header = getItem(position);
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return getHeaderType(header);
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}
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@Override
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public boolean areAllItemsEnabled() {
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return false; // because of categories
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}
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@Override
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public boolean isEnabled(final int position) {
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return getItemViewType(position) != HEADER_TYPE_CATEGORY;
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}
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@Override
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public int getViewTypeCount() {
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return HEADER_TYPE_COUNT;
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}
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@Override
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public boolean hasStableIds() {
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return true;
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}
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public HeaderAdapter(final Context context, final List<Header> objects) {
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super(context, 0, objects);
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mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
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}
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@Override
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public View getView(final int position, final View convertView, final ViewGroup parent) {
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HeaderViewHolder holder;
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final Header header = getItem(position);
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final int headerType = getHeaderType(header);
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View view = null;
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if (convertView == null) {
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holder = new HeaderViewHolder();
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switch (headerType) {
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case HEADER_TYPE_CATEGORY:
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view = new TextView(getContext(), null, android.R.attr.listSeparatorTextViewStyle);
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holder.title = (TextView) view;
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break;
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case HEADER_TYPE_NORMAL:
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view = mInflater.inflate(R.layout.preference_header_item, parent, false);
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holder.title = (TextView) view.findViewById(R.id.plug_pref_title);
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holder.summary = (TextView) view.findViewById(R.id.plug_pref_summary);
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break;
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}
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view.setTag(holder);
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} else {
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view = convertView;
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holder = (HeaderViewHolder) view.getTag();
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}
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// All view fields must be updated every time, because the view may be recycled
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switch (headerType) {
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case HEADER_TYPE_CATEGORY:
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holder.title.setText(header.getTitle(getContext().getResources()));
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break;
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case HEADER_TYPE_NORMAL:
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holder.title.setText(header.getTitle(getContext().getResources()));
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final CharSequence summary = header.getSummary(getContext().getResources());
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if (!TextUtils.isEmpty(summary)) {
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holder.summary.setVisibility(View.VISIBLE);
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holder.summary.setText(summary);
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} else {
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holder.summary.setVisibility(View.GONE);
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}
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break;
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}
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return view;
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}
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}
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}
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