paulscode.android.mupen64plusae.persistent.ProfilePreference.java Source code

Java tutorial

Introduction

Here is the source code for paulscode.android.mupen64plusae.persistent.ProfilePreference.java

Source

/**
 * Mupen64PlusAE, an N64 emulator for the Android platform
 * 
 * Copyright (C) 2012 Paul Lamb
 * 
 * This file is part of Mupen64PlusAE.
 * 
 * Mupen64PlusAE is free software: you can redistribute it and/or modify it under the terms of the
 * GNU General Public License as published by the Free Software Foundation, either version 2 of the
 * License, or (at your option) any later version.
 * 
 * Mupen64PlusAE is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * 
 * See the GNU General Public License for more details. You should have received a copy of the GNU
 * General Public License along with Mupen64PlusAE. If not, see <http://www.gnu.org/licenses/>.
 * 
 * Authors: littleguy77
 */
package paulscode.android.mupen64plusae.persistent;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import org.apache.commons.lang.ArrayUtils;
import org.mupen64plusae.v3.alpha.R;

import paulscode.android.mupen64plusae.profile.Profile;
import android.app.AlertDialog.Builder;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.Intent;
import android.content.res.TypedArray;
import android.text.Html;
import android.text.TextUtils;
import android.util.AttributeSet;

public class ProfilePreference extends CompatibleListPreference {
    private static final boolean DEFAULT_ALLOW_DISABLE = false;

    private final boolean mAllowDisable;
    private final String mManagerAction;

    public ProfilePreference(Context context) {
        super(context);
        mAllowDisable = DEFAULT_ALLOW_DISABLE;
        mManagerAction = null;
    }

    public ProfilePreference(Context context, AttributeSet attrs) {
        super(context, attrs);
        TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.ProfilePreference);
        mAllowDisable = a.getBoolean(R.styleable.ProfilePreference_allowDisable, DEFAULT_ALLOW_DISABLE);
        mManagerAction = a.getString(R.styleable.ProfilePreference_managerAction);
        a.recycle();
    }

    @Override
    protected void onPrepareDialogBuilder(Builder builder) {
        super.onPrepareDialogBuilder(builder);
        if (!TextUtils.isEmpty(mManagerAction)) {
            builder.setNeutralButton(R.string.profile_manage_profiles, new OnClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int which) {
                    Context context = ProfilePreference.this.getContext();
                    context.startActivity(new Intent(mManagerAction));
                }
            });
        }
    }

    public void populateProfiles(String builtinPath, String customPath, String defaultValue) {
        ConfigFile configBuiltin = new ConfigFile(builtinPath);
        ConfigFile configCustom = new ConfigFile(customPath);
        List<Profile> profiles = new ArrayList<Profile>();
        profiles.addAll(Profile.getProfiles(configBuiltin, true));
        profiles.addAll(Profile.getProfiles(configCustom, false));
        Collections.sort(profiles);

        int offset = mAllowDisable ? 1 : 0;
        int numEntries = profiles.size() + offset;
        CharSequence[] entries = new CharSequence[numEntries];
        String[] values = new String[numEntries];
        if (mAllowDisable) {
            entries[0] = getContext().getText(R.string.listItem_disabled);
            values[0] = "";
        }
        for (int i = 0; i < profiles.size(); i++) {
            Profile profile = profiles.get(i);
            String entryHtml = profile.name;
            if (!TextUtils.isEmpty(profile.comment))
                entryHtml += "<br><small>" + profile.comment + "</small>";
            entries[i + offset] = Html.fromHtml(entryHtml);
            values[i + offset] = profile.name;
        }

        // Set the list entries and values; select default if persisted selection no longer exists
        setEntries(entries);
        setEntryValues(values);
        String selectedValue = getPersistedString(null);
        if (!ArrayUtils.contains(values, selectedValue))
            persistString(defaultValue);
        selectedValue = getPersistedString(null);
        setValue(selectedValue);
    }
}