implement adding events

app/src/main/java/com/simplemobiletools/calendar/DBHelper.java

@@ -14,6 +14,7 @@ import java.util.List;
 public class DBHelper extends SQLiteOpenHelper {
     private static SQLiteDatabase mDb;
     private static String[] mProjection;
+    private static DBOperationsListener mCallback;
 
     private static final String DB_NAME = "events.db";
     private static final int DB_VERSION = 1;
@@ -25,7 +26,8 @@ public class DBHelper extends SQLiteOpenHelper {
     private static final String COL_TITLE = "title";
     private static final String COL_DESCRIPTION = "description";
 
-    public static DBHelper newInstance(Context context) {
+    public static DBHelper newInstance(Context context, DBOperationsListener callback) {
+        mCallback = callback;
         return new DBHelper(context);
     }
 
@@ -58,6 +60,7 @@ public class DBHelper extends SQLiteOpenHelper {
         values.put(COL_TITLE, event.getTitle());
         values.put(COL_DESCRIPTION, event.getDescription());
         mDb.insert(TABLE_NAME, null, values);
+        mCallback.eventInserted();
     }
 
     public List<Event> getEvents(int fromTS, int toTS) {
@@ -80,4 +83,8 @@ public class DBHelper extends SQLiteOpenHelper {
         }
         return events;
     }
+
+    public interface DBOperationsListener {
+        void eventInserted();
+    }
 }

app/src/main/java/com/simplemobiletools/calendar/Utils.java

@@ -1,6 +1,8 @@
 package com.simplemobiletools.calendar;
 
+import android.content.Context;
 import android.graphics.Color;
+import android.widget.Toast;
 
 public class Utils {
 
@@ -11,4 +13,8 @@ public class Utils {
         final int blue = Color.blue(color);
         return Color.argb(alpha, red, green, blue);
     }
+
+    public static void showToast(Context context, int resId) {
+        Toast.makeText(context, context.getResources().getString(resId), Toast.LENGTH_SHORT).show();
+    }
 }

app/src/main/java/com/simplemobiletools/calendar/activities/DetailsActivity.java

@@ -17,7 +17,6 @@ import butterknife.OnClick;
 public class DetailsActivity extends AppCompatActivity {
     @BindView(R.id.details_date) TextView mDateTV;
 
-    private static final int ADD_EVENT = 1;
     private String dayCode;
 
     @Override
@@ -42,6 +41,6 @@ public class DetailsActivity extends AppCompatActivity {
     public void fabClicked(View view) {
         final Intent intent = new Intent(getApplicationContext(), EventActivity.class);
         intent.putExtra(Constants.DAY_CODE, dayCode);
-        startActivityForResult(intent, ADD_EVENT);
+        startActivity(intent);
     }
 }

app/src/main/java/com/simplemobiletools/calendar/activities/EventActivity.java

@@ -9,12 +9,16 @@ import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
 import android.widget.DatePicker;
+import android.widget.EditText;
 import android.widget.TextView;
 import android.widget.TimePicker;
 
 import com.simplemobiletools.calendar.Constants;
+import com.simplemobiletools.calendar.DBHelper;
 import com.simplemobiletools.calendar.Formatter;
 import com.simplemobiletools.calendar.R;
+import com.simplemobiletools.calendar.Utils;
+import com.simplemobiletools.calendar.models.Event;
 
 import org.joda.time.DateTime;
 
@@ -22,11 +26,13 @@ import butterknife.BindView;
 import butterknife.ButterKnife;
 import butterknife.OnClick;
 
-public class EventActivity extends AppCompatActivity {
+public class EventActivity extends AppCompatActivity implements DBHelper.DBOperationsListener {
     @BindView(R.id.event_start_date) TextView mStartDate;
     @BindView(R.id.event_start_time) TextView mStartTime;
     @BindView(R.id.event_end_date) TextView mEndDate;
     @BindView(R.id.event_end_time) TextView mEndTime;
+    @BindView(R.id.event_title) EditText mTitleET;
+    @BindView(R.id.event_description) EditText mDescriptionET;
 
     private DateTime mEventStartDateTime;
     private DateTime mEventEndDateTime;
@@ -72,7 +78,24 @@ public class EventActivity extends AppCompatActivity {
     }
 
     private void saveEvent() {
+        final String title = mTitleET.getText().toString().trim();
+        if (title.isEmpty()) {
+            Utils.showToast(getApplicationContext(), R.string.title_empty);
+            mTitleET.requestFocus();
+            return;
+        }
 
+        final int startTS = (int) (mEventStartDateTime.getMillis() / 1000);
+        final int endTS = (int) (mEventEndDateTime.getMillis() / 1000);
+
+        if (startTS > endTS) {
+            Utils.showToast(getApplicationContext(), R.string.end_before_start);
+            return;
+        }
+
+        final String description = mDescriptionET.getText().toString().trim();
+        final Event event = new Event(0, startTS, endTS, title, description);
+        DBHelper.newInstance(getApplicationContext(), this).insert(event);
     }
 
     private void updateStartDate() {
@@ -161,4 +184,10 @@ public class EventActivity extends AppCompatActivity {
             updateEndTime();
         }
     }
+
+    @Override
+    public void eventInserted() {
+        Utils.showToast(getApplicationContext(), R.string.event_added);
+        finish();
+    }
 }

app/src/main/res/layout/activity_event.xml

@@ -23,7 +23,7 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_below="@+id/event_title_label"
-            android:inputType="text"
+            android:inputType="textCapSentences"
             android:maxLength="30"
             android:maxLines="1"
             android:minEms="20"
@@ -100,6 +100,7 @@
             android:layout_height="wrap_content"
             android:layout_below="@+id/event_description_label"
             android:gravity="top"
+            android:inputType="textCapSentences|textMultiLine"
             android:minEms="20"
             android:textSize="@dimen/day_text_size"/>
 

app/src/main/res/values/strings.xml

@@ -4,6 +4,9 @@
     <!-- Event -->
     <string name="event">Event</string>
     <string name="save">Save</string>
+    <string name="title_empty">Title cannot be empty</string>
+    <string name="end_before_start">The event cannot end earlier than it starts</string>
+    <string name="event_added">Event added successfully</string>
 
     <!-- Details -->
     <string name="details">Details</string>