SimpleMenuDialog.java

package net.miz_hi.smileessence.dialog;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.util.DisplayMetrics;
import android.view.Gravity;
import android.view.View;
import android.view.WindowManager.LayoutParams;
import android.widget.ListView;
import net.miz_hi.smileessence.Client;
import net.miz_hi.smileessence.command.IHideable;
import net.miz_hi.smileessence.command.MenuCommand;
import net.miz_hi.smileessence.menu.MenuListAdapter;
import net.miz_hi.smileessence.preference.EnumPreferenceKey.EnumValueType;
import net.miz_hi.smileessence.preference.PreferenceHelper;

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

public abstract class SimpleMenuDialog extends MenuDialog
{

    protected View titleView;
    protected String title;

    public SimpleMenuDialog(Activity activity)
    {
        super(activity);
    }

    public SimpleMenuDialog(Activity activity, String title)
    {
        super(activity);
        this.title = title;
    }

    public void setTitle(View view)
    {
        titleView = view;
    }

    public View getTitleView()
    {
        return titleView;
    }

    public void setTitle(String title)
    {
        this.title = title;
    }

    public abstract List<MenuCommand> getMenuList();

    public Dialog create()
    {
        dispose();

        AlertDialog.Builder builder = new AlertDialog.Builder(activity);

        if (titleView == null)
        {
            builder.setTitle(title);
        }
        else
        {
            builder.setCustomTitle(titleView);
        }

        List<MenuCommand> list1 = getMenuList();
        List<MenuCommand> list2 = new ArrayList<MenuCommand>();

        for (MenuCommand command : list1)
        {
            boolean isEnabled = true;

            if (command instanceof IHideable)
            {
                PreferenceHelper pref = Client.getPreferenceHelper();
                isEnabled = pref.getPreferenceValue(command.getClass().getSimpleName(), EnumValueType.BOOLEAN, false);
            }

            if (command.getDefaultVisibility() && isEnabled)
            {
                list2.add(command);
            }
        }

        ListView listview = new ListView(activity);
        MenuListAdapter adapter = new MenuListAdapter(activity);
        adapter.addAll(list2);
        adapter.forceNotifyAdapter();
        listview.setAdapter(adapter);
        builder.setView(listview);
        dialog = builder.create();
        LayoutParams lp = dialog.getWindow().getAttributes();
        DisplayMetrics metrics = activity.getResources().getDisplayMetrics();
        lp.width = (int) (metrics.widthPixels * 0.9);
        lp.gravity = Gravity.CENTER;
        lp.height = (int) (metrics.heightPixels * 0.8);

        return dialog;
    }
}