Add: Basic functionality for the child crud form.

frmAdminForm.cs

@@ -20,7 +20,7 @@ namespace GreatHomeChildcare
     {
         //globals for cheap access.
         SqliteDataAccess SqliteDataAccess = new SqliteDataAccess();
-        int child_id = 0;
+        public static int child_id = 0;
 
         public frmAdminForm()
         {
@@ -42,6 +42,8 @@ namespace GreatHomeChildcare
          */
         private void RefreshAdminView()
         {
+            dgvChildren.Rows.Clear();
+
             List<Child> children = new List<Child>();
             children = SqliteDataAccess.GetAllChildren();
 
@@ -67,14 +69,37 @@ namespace GreatHomeChildcare
         //TODO: new form to add a new child and their guardian(s)
         private void btnAdd_Click(object sender, EventArgs e)
         {
-            MessageBox.Show("Add button clicked.");
+            child_id = -1; //ENSURE!!!!
+
+            ShowChildCrudForm();
         }
 
         //TODO: new form(or same form as adding) for updating children
         //PB&J: get currently selected row from dgv, then pass to GetChildByID() to get Child object.
         private void btnUpdate_Click(object sender, EventArgs e)
         {
-            MessageBox.Show("Update button clicked.");
+            child_id = dgvChildren.CurrentRow.Index;
+
+            //child_id must be incremented as the index starts at 0.
+            //TODO: FIX BUG!!
+            child_id++;
+
+            ShowChildCrudForm();
+        }
+
+        private void ShowChildCrudForm()
+        {
+            Form frmCrud = new frmChildCrud();
+            frmCrud.FormClosed += new FormClosedEventHandler(CrudFormClosed);
+            frmCrud.Show();
+            Hide();
+        }
+
+        //Show this admin screen after the child crud form is closed.
+        private void CrudFormClosed(object sender, FormClosedEventArgs e)
+        {
+            RefreshAdminView();
+            Show();
         }
 
         private void btnQuit_Click(object sender, EventArgs e)

frmChildCrud.cs

@@ -7,14 +7,76 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 using System.Windows.Forms;
+using GreatHomeChildcare.Models;
 
 namespace GreatHomeChildcare
 {
     public partial class frmChildCrud : Form
     {
+        const string DEFAULT_PIC_TAG = "DefaultPic";
+        const string CUSTOM_PIC_TAG = "dickpic";
+
+        //Global instance of the SqliteDataAccess object.
+        SqliteDataAccess SqliteDataAccess = new SqliteDataAccess();
+
+        enum Gender
+        {
+            Female = 0,
+            Male = 1
+        }
+
         public frmChildCrud()
         {
             InitializeComponent();
         }
+
+        /* Event handler on form load.
+         * Reads the child_id from the admin form if the update button
+         * was selected on the admin form.
+         * INPUTS: child_id from the admin form
+         * OUTPUTS: void
+         */
+        private void frmChildCrud_Load(object sender, EventArgs e)
+        {
+            int child_id = frmAdminForm.child_id;
+
+            //If the update button was selected.
+            if (child_id > 0)
+            {
+                LoadChild(child_id);
+            }
+        }
+
+        /* Load an existing child onto the form for update/delete operations.
+         * INPUT: integer child_id
+         * OUTPUT: data to screen
+         */
+        private void LoadChild(int child_id_in)
+        {
+            Child child = SqliteDataAccess.GetChildByID(child_id_in);
+            
+            // sanity check, though it shouldn't be needed...
+            if (child == null)
+                return;
+
+            //Load the child data into the form.
+            idNumericUpDown.Value = child.id;
+            firstNameTextBox.Text = child.FirstName;
+            lastNameTextBox.Text = child.LastName;
+            //TODO: Gender via enum
+            addressTextBox.Text = child.address;
+            photoPictureBox.Image = (child.photo != null) ? ImageWrangler.ByteArrayToImage(child.photo) : Properties.Resources.child;
+            LoadGuardiansForChild(child);
+        }
+
+        private void LoadGuardiansForChild(Child child_in)
+        {
+            List<Guardian> guardians = SqliteDataAccess.GetGuardiansByChild(child_in);
+
+            foreach (Guardian g in guardians)
+            {
+                dgvGuardians.Rows.Add(g.id, g.LastName, g.FirstName, g.PhoneNumber, g.EmailAddress);
+            }
+        }
     }
 }