Android Open Source - rebudget Categories Activity

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License

The source code is released under:
Copyright (c) 2012, Alexander Lopatin All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are me...
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Java Source Code

package com.sbar.rebudget.activities;
/*from  ww  w  .  j av a 2  s. c  o  m*/
import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.app.ListActivity;
import android.app.Dialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.database.Cursor;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.ContextMenu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.widget.AdapterView.AdapterContextMenuInfo;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListAdapter;
import android.widget.ListView;
import java.util.ArrayList;

import com.sbar.rebudget.Common;
import com.sbar.rebudget.R;

public class CategoriesActivity extends ListActivity {
    private static final int DIALOG_NEW_CATEGORY = 1;
    private static final int DIALOG_NEW_CATEGORY_EXISTS = 2;
    private static final int DIALOG_REMOVE_CATEGORY = 3;
    private static final int DIALOG_UPDATE_CATEGORY = 4;

    private ArrayList<String> m_listViewItems = null;
    private String m_listViewItemSelected = null;

    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.categories);

        m_listViewItems = new ArrayList<String>();

        updateListView();
        addButtonsListeners();
        registerForContextMenu(getListView());
    }

    private void updateListView() {
        m_listViewItems.clear();

        Cursor c = MainTabActivity.s_dc.selectCategories();
        if (c.moveToFirst()) {
            do {
                addToListView(c.getString(0));
            } while (c.moveToNext());
        }

        setListAdapter(createAdapter(m_listViewItems.toArray(new String[0])));
    }

    private void addToListView(String item) {
        m_listViewItems.add(item);
    }

    protected ListAdapter createAdapter(String [] values) {
        ListAdapter adapter = new ArrayAdapter<String>(
            this,
            android.R.layout.simple_list_item_1,
            values
        );
        return adapter;
    }

    private void addButtonsListeners() {
        Button button = (Button) findViewById(R.id.add_new);
        button.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View arg0) {
                Common.LOGI("add new category");
                showDialog(DIALOG_NEW_CATEGORY);
            }
        });
    }

    @Override 
    public void onListItemClick(ListView l, View v, int position, long id) {
        Common.LOGI("pos:" + position + " id:" + id);
    }

    @Override
    protected Dialog onCreateDialog(int id) {
        LayoutInflater inflater = getLayoutInflater();
        Builder builder = new AlertDialog.Builder(this);

        switch (id) {
        case DIALOG_NEW_CATEGORY:
        {
            final View v = inflater.inflate(R.layout.dialog_new_category, null);

            builder.setView(v);
            builder.setMessage("Create new category");
            builder.setCancelable(true);
            builder.setPositiveButton(
                "ok",
                new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int id) {
                        EditText edName = (EditText) v.findViewById(R.id.category_name);
                        EditText edMoney = (EditText) v.findViewById(R.id.category_planned_money);
                        EditText edColor = (EditText) v.findViewById(R.id.category_color);

                        String categoryName = edName.getText().toString();
                        float plannedMoney = 100.0f;
                        int categoryColor = 0xffFFAA00;
                        try {
                            plannedMoney = Float.parseFloat(edMoney.getText().toString());
                            categoryColor = Integer.parseInt(edColor.getText().toString());
                        } catch (Throwable t) {
                        }

                        Common.LOGI("create new category '" + categoryName + "'");
                        if (MainTabActivity.s_dc.addCategory(categoryName, 0xFFFFFF00, plannedMoney, 0.0f)) {
                            updateListView();
                            edName.setText("");
                            edMoney.setText("");
                            edColor.setText("0xffFFAA00");
                        } else
                            showDialog(DIALOG_NEW_CATEGORY_EXISTS);
                    }
                }
            );
            builder.setNegativeButton(
                "cancel",
                new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int id) {
                    }
                }
            );
            return builder.create();
        }
        case DIALOG_NEW_CATEGORY_EXISTS:
            {
                final View v = inflater.inflate(
                    R.layout.dialog_new_category_exists,
                    null
                );

                builder.setView(v);
                builder.setMessage("This category already exists or has an empty text. Use another name.");
                builder.setCancelable(false);
                builder.setPositiveButton(
                    "ok",
                    new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialog, int id) {
                            showDialog(DIALOG_NEW_CATEGORY);
                        }
                    }
                );

                return builder.create();
            }

        case DIALOG_REMOVE_CATEGORY:
            {
                final View v = inflater.inflate(R.layout.dialog_remove_category, null);
                final String categoryName = m_listViewItemSelected;

                builder.setView(v);
                builder.setMessage("WARNING: the next operation cannot be undone! Are you sure you want to remove the category \"" + categoryName + "\"? All spent money will be substracted from Reserved category");
                builder.setCancelable(true);
                builder.setPositiveButton(
                    "yes",
                    new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialog, int id) {
                            Common.LOGI("remove category '" + categoryName + "'");
                        }
                    }
                );
                builder.setNegativeButton(
                    "no",
                    new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialog, int id) {
                        }
                    }
                );

                return builder.create();
            }

        case DIALOG_UPDATE_CATEGORY:
            {
                break;
            }
        }

        return super.onCreateDialog(id);
    }

    @Override
    public void onCreateContextMenu(ContextMenu menu, View v,
                                    ContextMenuInfo menuInfo) {
        super.onCreateContextMenu(menu, v, menuInfo);
        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.category_edit_menu, menu);
    }

    @Override
    public boolean onContextItemSelected(MenuItem item) {
        AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
        
        m_listViewItemSelected = m_listViewItems.get((int)info.id);

        switch(item.getItemId()) {
        case R.id.update_category:
            //Intent intent = new Intent(this, AddCategoryActivity.class);
            //startActivity(intent);
            return true;
        case R.id.remove_category:
            showDialog(DIALOG_REMOVE_CATEGORY);
            return true;
        default:
            return super.onContextItemSelected(item);
        }
    }
}
Java Source Code List
