using System; using System.Collections.Generic; using System.Drawing; using System.Windows.Forms; using GreatHomeChildcare.Models; namespace GreatHomeChildcare { public partial class frmMainForm : Form { //globals for cheap access. SqliteDataAccess SqliteDataAccess = new SqliteDataAccess(); Guardian guardian = new Guardian(); public frmMainForm() { InitializeComponent(); } /* Event handler for form load. * Shows a button for each child that has been assigned to the guardian. */ private void frmMainForm_Load(object sender, EventArgs e) { int child_count = 1; //for iteration int guardian_pin = Int32.Parse(frmPinEntry.strPin); guardian = SqliteDataAccess.GetGuardianByPin(guardian_pin); List children = SqliteDataAccess.GetChildrenByGuardian(guardian); //TODO: remove once valid login check is implemented if (guardian == null) return; //If the guardian is an admin user, enable the button for crud operations. if (guardian.isAdmin == 1) { btnAdmin.Visible = true; btnAdmin.Enabled = true; } //If the guardian has no children, show a message. if (children == null) { lblNoChildren.Visible = true; return; } //For each child, present a new button to sign the student in/out. //Max 9 children(!!) per guardian. We support Octomom! foreach(Child child in children) { //Make sure we don't break the program. if (child_count >= 10) //Keep it in your pants, man!! { MessageBox.Show("Sorry, the program only supports 9 children per guardian.", "Great Home Childcare", MessageBoxButtons.OK, MessageBoxIcon.None); break; } Control controls = tableLayoutPanel1.Controls["panelChild" + child_count]; controls.Visible = true; //Populate the newly shown button with the child's information PopulateButton(child, controls); child_count++; } } /* Populate a button with a child's information. * INPUT: child, panel (as a control) * OUTPUT: void to program, child information to button/gui. */ private void PopulateButton(Child child_in, Control controls_in) { Control.ControlCollection nested_controls = controls_in.Controls; foreach(Control c in nested_controls) { if (c is PictureBox) { PictureBox pb = (PictureBox)c; pb.Image = child_in.photo == null ? Properties.Resources.child : ImageWrangler.ByteArrayToImage(child_in.photo); } if (c is Button) { Button btn = (Button)c; Attendance studentStatus = SqliteDataAccess.GetChildSignInOut(child_in); string btnText = child_in.DisplayName + "\n\r" + "Status: Signed " + studentStatus.in_out.ToUpper() + "\n\r" + studentStatus.timestamp; //shove the child into the Tag property which is a type of 'object' for later retrieval. //see also: cheap hax btn.Text = btnText; btn.Tag = child_in; UpdatePanelColor(btn.Parent, studentStatus.in_out); } } //foreach control } // Open the main administration form. private void btnAdmin_Click(object sender, EventArgs e) { Form frmAdm = new frmAdminForm(); frmAdm.FormClosed += new FormClosedEventHandler(AdminFormClosed); frmAdm.Show(); Hide(); } //Show this main child login/out screen after the admin form is closed. private void AdminFormClosed(object sender, FormClosedEventArgs e) { Show(); } //Close the child sign in/out screen. private void btnDone_Click(object sender, EventArgs e) { Close(); } /* Event handler delegate for all children buttons to sign * the specific child in or out. * The child object was previously bound to the Tag property * of the button in question as a cheap hack/workaround * to access the specific child that a button is for. * INPUT object sender as button. * OUTPUT: Text to gui/button. */ private void btnChild_Click(object sender, EventArgs e) { //to the passed in sender source and cast it to a Button Button button = (Button)sender; //here comes that cast we talked about. //also: cheap hax Child selectedChild = (Child)button.Tag; //Sign the student in or out. Logic handled in function. SqliteDataAccess.SignChildInOut(selectedChild, guardian); //Re-grok the student's status. Attendance studentStatus = SqliteDataAccess.GetChildSignInOut(selectedChild); //Update the button text. string btnText = selectedChild.DisplayName + "\n\r" + "Status: Signed " + studentStatus.in_out.ToUpper() + "\n\r" + studentStatus.timestamp; button.Text = btnText; UpdatePanelColor(button.Parent, studentStatus.in_out); } /* Updates the child panel color to green if signed in, gray if not signed in. * INPUT: Panel as control, string in_out as "in" or "out" * OUTPUT: Green color if signed in, gray if not signed in. */ private void UpdatePanelColor(Control control, string in_out_status) { Panel panel = (Panel)control; switch(in_out_status) { case "in": panel.BackColor = Color.Green; break; case "out": panel.BackColor = Color.Gray; break; default: break; } } } }