Android Open Source - dbfragments Detail Activity

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License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright (C) 2013 Yuriy Tkachenko/*w ww.  ja v a2  s .  com*/
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package db.fragments;

import android.app.Activity;
import android.app.FragmentTransaction;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.SubMenu;
import android.widget.Spinner;
import android.widget.TextView;
import db.fragments.R;

/**
 * If DBFragment.details is not null, the DetailActivity implements details view.
 */
public class DetailActivity extends Activity {

  DBFragment current_fragment = null;
  Spinner spinner_menu;
  String oname; // current DBFragment tag (class name)
  int lastOrientation;
  DBFragment parent;

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

    setContentView(R.layout.detail_layout);
    oname = getIntent().getExtras().getString("className");
    String parentOName = getIntent().getExtras().getString(
        "parentClassName");
    String rowTitle = getIntent().getExtras().getString("rowtitle");
    current_fragment = G.objects.get(oname);
    parent = G.objects.get(parentOName);
    TextView viewTitle = (TextView) findViewById(R.id.textViewTitle);
    viewTitle.setText(rowTitle);
    this.setTitle(current_fragment.title);

    set_master_detail(parent, current_fragment); // , parent.details[1]);

    if (savedInstanceState != null) {
      lastOrientation = savedInstanceState.getInt("lastOrientation");
    } else {
      lastOrientation = getResources().getConfiguration().orientation;
    }

    int currentOrientation = getResources().getConfiguration().orientation;
    if (lastOrientation != currentOrientation) {
      current_fragment = (DBFragment) getFragmentManager()
          .findFragmentByTag(oname);
      lastOrientation = currentOrientation;
    } else {
      FragmentTransaction ft = getFragmentManager().beginTransaction();
      ft.replace(R.id.emblist, current_fragment, oname);
      ft.commit();
    }
  }

  private void set_master_detail(DBFragment master, DBFragment detail) {
      //String field) 
    detail.masterform = master;
    for (int i=0; i < master.details.length; i++) {
      if (master.details[i][2].equals(oname)) {
        detail.masterfield = master.details[i][1];
      }
    }
    // Master table ROWID as default value for details
    detail.setColumn(detail.masterfield, "defaultValue", new G.Lambda() {
      public String getString(DBFragment self) {
        return self.get_master_key().toString();
      }
    });
  }

  @Override
  public void onSaveInstanceState(Bundle outState) {
    super.onSaveInstanceState(outState);
    outState.putInt("lastOrientation", lastOrientation);
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {

    int id = DBFragment.ID_MENU_ACTIONS_FIRST;
    menu.add(0, DBFragment.ID_MENU_ADD, Menu.NONE, G.lstr.get("Add"));

    SubMenu actMenu = menu.addSubMenu(0, DBFragment.ID_MENU_ACTIONS,
        Menu.NONE, G.lstr.get("Actions"));

    // Continue previous id count.
    for (String title : G.actions.values()) {
      actMenu.add(1, id++, Menu.NONE, title);
    }

    // Calculate total
    String label_total = G.lstr.get("Sum: ");
    menu.add(2, DBFragment.ID_MENU_TOTAL, Menu.NONE, label_total);
    menu.add(3, DBFragment.ID_MENU_FILTER, Menu.NONE, G.lstr.get("Filter"));

    menu.findItem(DBFragment.ID_MENU_ADD).setShowAsAction(
        MenuItem.SHOW_AS_ACTION_ALWAYS);
    menu.findItem(DBFragment.ID_MENU_ACTIONS).setShowAsAction(
        MenuItem.SHOW_AS_ACTION_IF_ROOM);
    menu.findItem(DBFragment.ID_MENU_TOTAL).setShowAsAction(
        MenuItem.SHOW_AS_ACTION_IF_ROOM);

    // Calling super after populating the menu is necessary here to ensure
    // that the
    // action bar helpers have a chance to handle this event.
    return super.onCreateOptionsMenu(menu);
  }

  @Override
  public boolean onPrepareOptionsMenu(Menu menu) {
    MenuItem menuItem = menu.findItem(DBFragment.ID_MENU_ADD);
    menuItem.setEnabled(parent.menu_enabled.get(DBFragment.ID_MENU_ADD));
    // Calculate total
    menuItem = menu.findItem(DBFragment.ID_MENU_TOTAL);
    String label_total = G.lstr.get("Sum: ");
    if (current_fragment.total != null)
      label_total += current_fragment.sum_col(current_fragment.total,
          false, false);
    menuItem.setTitle(label_total);

    return super.onPrepareOptionsMenu(menu);
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    int id = item.getItemId();
    // Get offset for actions ids
    int idOffset = DBFragment.ID_MENU_ACTIONS_FIRST;
    if (id >= idOffset) {
      Intent intent = new Intent();
      String className = (String) G.actions.keySet().toArray()[id
          - idOffset];
      intent.setClass(this, ActionActivity.class);
      intent.putExtra("classname", className);
      intent.putExtra("title", item.getTitle());
      startActivity(intent);
    } else if (id == DBFragment.ID_MENU_ADD) {
      // Add new record
      current_fragment._on_add();
    }

    return super.onOptionsItemSelected(item);
  }

}

Java Source Code List

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