ShowModelActivity.java

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package jarmos.app.activity;

import jarmos.Log;
import jarmos.ModelType;
import jarmos.app.activity.kermor.SimulationActivity;
import jarmos.app.activity.rb.RBActivity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.TabActivity;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.res.ColorStateList;
import android.graphics.Color;
import android.os.Bundle;
import android.text.SpannableString;
import android.text.method.LinkMovementMethod;
import android.text.util.Linkify;
import android.widget.TabHost;
import android.widget.TextView;
import android.widget.Toast;

public class ShowModelActivity extends TabActivity {

    static final int ABOUT_DIALOG_ID = 0;
    static final int HELP_DIALOG_ID = 1;

    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        final TabHost tabHost = getTabHost();

        tabHost.setup();

        // set up formatting for text labels
        TextView label1 = new TextView(this);
        label1.setGravity(android.view.Gravity.CENTER);
        label1.setTextSize(16);
        label1.setLines(4);
        label1.setTextColor(new ColorStateList(new int[][] { new int[] { android.R.attr.state_selected }, new int[0] },
                new int[] { Color.WHITE, Color.GRAY, }));
        label1.setSelected(true);

        TextView label2 = new TextView(this);
        label2.setGravity(android.view.Gravity.CENTER);
        label2.setTextSize(16);
        label2.setTextColor(new ColorStateList(new int[][] { new int[] { android.R.attr.state_selected }, new int[0] },
                new int[] { Color.WHITE, Color.GRAY, }));
        label2.setSelected(false);

        // add tabs
        TabHost.TabSpec one = tabHost.newTabSpec("tab 1");
        label1.setText("About ");
        one.setIndicator(label1);
        Intent intentOne = new Intent(ShowModelActivity.this, BrowseActivity.class);
        intentOne.putExtras(getIntent().getExtras());
        one.setContent(intentOne);
        tabHost.addTab(one);

        TabHost.TabSpec two = tabHost.newTabSpec("tab 2");
        label2.setText("Solve problem");
        two.setIndicator(label2);
        Intent intentTwo = null;

        // Using the intent field "ModelType" here avoids instantiation of a new AModelManager..
        ModelType mt = (ModelType) getIntent().getSerializableExtra("ModelType");
        if (mt == ModelType.JRB || mt == ModelType.rbappmit) {
            intentTwo = new Intent(ShowModelActivity.this, RBActivity.class);
        } else if (mt == ModelType.JKerMor) {
            intentTwo = new Intent(ShowModelActivity.this, SimulationActivity.class);
        } else {
            Log.e("ShowModelActitity", "Unknown model type: " + mt);
            Toast.makeText(this, "Unknown model type: " + mt, Toast.LENGTH_LONG).show();
            finish();
            return;
        }
        intentTwo.putExtras(getIntent().getExtras());
        two.setContent(intentTwo);
        tabHost.addTab(two);

        // set which tab has initial focus
        tabHost.setCurrentTab(0);
    }

    public void onBackPressed() {
        setResult(0);
        getLocalActivityManager().removeAllActivities();
        finish();
    }

    // /**
    // * Re-populates the main menu every time it is brought up depending on
    // * whether help should be displayed
    // */
    // public boolean onPrepareOptionsMenu(Menu menu) {
    //
    // menu.clear();
    // MenuInflater inflater = getMenuInflater();
    // if (getTabHost().getCurrentTab() == 0)
    // inflater.inflate(R.menu.info_main_menu, menu);
    // else
    // inflater.inflate(R.menu.main_menu, menu); // don't want help text
    // // for info screen
    // return true;
    // }

    // /** Handles item selection in the main menu */
    // public boolean onOptionsItemSelected(MenuItem item) {
    // switch (item.getItemId()) {
    // case R.id.about:
    // showDialog(ABOUT_DIALOG_ID);
    // return true;
    // case R.id.help:
    // showDialog(HELP_DIALOG_ID);
    // return true;
    // case R.id.new_problem:
    // setResult(0);
    // getLocalActivityManager().removeAllActivities();
    // finish();
    // return true;
    // case R.id.quit:
    // setResult(-1);
    // getLocalActivityManager().removeAllActivities();
    // finish();
    // return true;
    // }
    // return false;
    // }

    protected Dialog onCreateDialog(int id) {
        Dialog dialog;
        switch (id) {
        case ABOUT_DIALOG_ID:
            AlertDialog.Builder about_builder = new AlertDialog.Builder(ShowModelActivity.this);
            about_builder
                    .setTitle("rbAPPmit version 0.1")
                    .setMessage(
                            "rbAPPmit:\nAn Android front-end for the Reduced Basis Method\n\n"
                                    + "Copyright (C) 2010\nDavid Knezevic\nPhuong Huynh\n\n" + "Implementation by:\n"
                                    + "David Knezevic\n" + "Phuong Huynh\n" + "Mark Wittels\n\n"
                                    + "This is free software released under the GPLv3 license")
                    .setPositiveButton("OK", new DialogInterface.OnClickListener() {
                        public void onClick(DialogInterface dialog, int id) {
                            dismissDialog(ABOUT_DIALOG_ID);
                        }
                    });
            dialog = about_builder.create();

            break;
        case HELP_DIALOG_ID:
            final TextView message = new TextView(ShowModelActivity.this);

            final SpannableString s = new SpannableString(
                    "Set RB dimension slider to specify the number of basis functions in the approximation.\n\n"
                            + "Set the parameters at which the solve is performed via the parameter sliders or by pressing the adjacent parameter buttons.\n\n"
                            + "Hit solve to perform the reduced basis solve and visualize output(s) and field variable(s).\n\n"
                            + "For more information see http://augustine.mit.edu/methodology.htm");
            Linkify.addLinks(s, Linkify.WEB_URLS);
            message.setText(s);
            message.setTextSize(18); // 18 sp
            message.setPadding(5, 5, 5, 5); // 5 pixels of padding on all sides
            message.setMovementMethod(LinkMovementMethod.getInstance());

            AlertDialog.Builder help_builder = new AlertDialog.Builder(ShowModelActivity.this);
            help_builder.setTitle("rbAPPmit help").setView(message)
                    .setPositiveButton("OK", new DialogInterface.OnClickListener() {
                        public void onClick(DialogInterface dialog, int id) {
                            dismissDialog(HELP_DIALOG_ID);
                        }
                    });

            dialog = help_builder.create();

            break;
        default:
            dialog = null;
        }
        return dialog;
    }

}