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app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/CustomControlsActivity.java

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+package net.kdt.pojavlaunch;
+
+import android.content.*;
+import android.os.*;
+
+import androidx.core.widget.*;
+import androidx.appcompat.app.*;
+import androidx.preference.*;
+import android.view.*;
+import android.widget.*;
+
+import androidx.drawerlayout.widget.DrawerLayout;
+
+import com.google.android.material.navigation.NavigationView;
+import com.kdt.pickafile.*;
+import java.io.*;
+
+import net.kdt.pojavlaunch.prefs.*;
+import net.kdt.pojavlaunch.customcontrols.*;
+
+public class CustomControlsActivity extends BaseActivity
+{
+	private DrawerLayout drawerLayout;
+    private NavigationView navDrawer;
+	private ControlLayout ctrlLayout;
+    
+	private SharedPreferences mPref;
+
+	public boolean isModified = false;
+	private String selectedName = "new_control";
+
+	@Override
+	protected void onCreate(Bundle savedInstanceState) {
+		super.onCreate(savedInstanceState);
+		setContentView(R.layout.control_mapping);
+
+		mPref = PreferenceManager.getDefaultSharedPreferences(this);
+
+		ctrlLayout = (ControlLayout) findViewById(R.id.customctrl_controllayout);
+
+		// Menu
+		drawerLayout = (DrawerLayout) findViewById(R.id.customctrl_drawerlayout);
+
+		navDrawer = (NavigationView) findViewById(R.id.customctrl_navigation_view);
+		navDrawer.setNavigationItemSelectedListener(
+			new NavigationView.OnNavigationItemSelectedListener() {
+				@Override
+				public boolean onNavigationItemSelected(MenuItem menuItem) {
+					switch (menuItem.getItemId()) {
+						case R.id.menu_ctrl_load:
+							actionLoad();
+							break;
+						case R.id.menu_ctrl_add:
+							ctrlLayout.addControlButton(new ControlData("New", LWJGLGLFWKeycode.GLFW_KEY_UNKNOWN, 100, 100));
+							break;
+						case R.id.menu_ctrl_selectdefault:
+							dialogSelectDefaultCtrl();
+							break;
+						case R.id.menu_ctrl_save:
+							save(false);
+							break;
+					}
+					//Toast.makeText(MainActivity.this, menuItem.getTitle() + ":" + menuItem.getItemId(), Toast.LENGTH_SHORT).show();
+
+					drawerLayout.closeDrawers();
+					return true;
+				}
+			});
+
+		ctrlLayout.setActivity(this);
+		ctrlLayout.setModifiable(true);
+
+		loadControl(LauncherPreferences.PREF_DEFAULTCTRL_PATH);
+	}
+
+	@Override
+	public void onBackPressed() {
+		if (!isModified) {
+			super.onBackPressed();
+			return;
+		}
+
+		save(true);
+	}
+
+	private void setDefaultControlJson(String path) {
+		try {
+			// Load before save to make sure control is not error
+			ctrlLayout.loadLayout(Tools.GLOBAL_GSON.fromJson(Tools.read(path), CustomControls.class));
+			LauncherPreferences.DEFAULT_PREF.edit().putString("defaultCtrl", path).commit();
+			LauncherPreferences.PREF_DEFAULTCTRL_PATH = path;
+		} catch (Throwable th) {
+			Tools.showError(this, th);
+		}
+	}
+    
+	private void dialogSelectDefaultCtrl() {
+		AlertDialog.Builder builder = new AlertDialog.Builder(this);
+		builder.setTitle(R.string.customctrl_selectdefault);
+		builder.setPositiveButton(android.R.string.cancel, null);
+
+		final AlertDialog dialog = builder.create();
+		FileListView flv = new FileListView(dialog);
+		flv.lockPathAt(Tools.CTRLMAP_PATH);
+		flv.setFileSelectedListener(new FileSelectedListener(){
+
+				@Override
+				public void onFileSelected(File file, String path) {
+					if (file.getName().endsWith(".json")) {
+						setDefaultControlJson(path);
+						dialog.dismiss();
+					}
+				}
+			});
+		dialog.setView(flv);
+		dialog.show();
+	}
+
+	private String doSaveCtrl(String name) throws Exception {
+		String jsonPath = Tools.CTRLMAP_PATH + "/" + name + ".json";
+		ctrlLayout.saveLayout(jsonPath);
+
+		return jsonPath;
+	}
+
+	private void save(final boolean exit) {
+		final EditText edit = new EditText(this);
+		edit.setSingleLine();
+		edit.setText(selectedName);
+
+		AlertDialog.Builder builder = new AlertDialog.Builder(this);
+		builder.setTitle(R.string.global_save);
+		builder.setView(edit);
+		builder.setPositiveButton(android.R.string.ok, null);
+		builder.setNegativeButton(android.R.string.cancel, null);
+		if (exit) {
+			builder.setNeutralButton(R.string.mcn_exit_call, new AlertDialog.OnClickListener(){
+					@Override
+					public void onClick(DialogInterface p1, int p2) {
+						CustomControlsActivity.super.onBackPressed();
+					}
+				});
+		}
+		final AlertDialog dialog = builder.create();
+		dialog.setOnShowListener(new DialogInterface.OnShowListener() {
+
+				@Override
+				public void onShow(DialogInterface dialogInterface) {
+
+					Button button = dialog.getButton(AlertDialog.BUTTON_POSITIVE);
+					button.setOnClickListener(new View.OnClickListener() {
+
+							@Override
+							public void onClick(View view) {
+								if (edit.getText().toString().isEmpty()) {
+									edit.setError(getResources().getString(R.string.global_error_field_empty));
+								} else {
+									try {
+										String jsonPath = doSaveCtrl(edit.getText().toString());
+
+										Toast.makeText(CustomControlsActivity.this, getString(R.string.global_save) + ": " + jsonPath, Toast.LENGTH_SHORT).show();
+
+										dialog.dismiss();
+										if (exit) {
+											CustomControlsActivity.super.onBackPressed();
+										}
+									} catch (Throwable th) {
+										Tools.showError(CustomControlsActivity.this, th, exit);
+									}
+								}
+							}
+						});
+				}
+			});
+		dialog.show();
+
+	}
+
+	private void actionLoad() {
+		AlertDialog.Builder builder = new AlertDialog.Builder(this);
+		builder.setTitle(R.string.global_load);
+		builder.setPositiveButton(android.R.string.cancel, null);
+
+		final AlertDialog dialog = builder.create();
+		FileListView flv = new FileListView(dialog);
+		flv.listFileAt(Tools.CTRLMAP_PATH);
+		flv.setFileSelectedListener(new FileSelectedListener(){
+
+				@Override
+				public void onFileSelected(File file, String path) {
+					if (file.getName().endsWith(".json")) {
+						loadControl(path);
+						dialog.dismiss();
+					}
+				}
+			});
+		dialog.setView(flv);
+		dialog.show();
+	}
+
+	private void loadControl(String path) {
+		try {
+			ctrlLayout.loadLayout(path);
+
+			selectedName = new File(path).getName();
+			// Remove `.json`
+			selectedName = selectedName.substring(0, selectedName.length() - 5);
+		} catch (Exception e) {
+			Tools.showError(CustomControlsActivity.this, e);
+		}
+	}
+}