using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.IO; 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"; const int MAX_PIC_SIZE = 2147483647; //Global instance of the SqliteDataAccess object. SqliteDataAccess SqliteDataAccess = new SqliteDataAccess(); Child child; 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) { FillGenderComboBox(); int child_id = frmAdminForm.child_id; //If the update button was selected. if (child_id > 0) { LoadChild(child_id); } } private void FillGenderComboBox() { genderComboBox.Items.Add(Gender.Female); genderComboBox.Items.Add(Gender.Male); } /* 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 = SqliteDataAccess.GetChildByID(child_id_in); Gender genderOut; // 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; raceTextBox.Text = child.race; //Load the gender combo box based from enum value. //ref: chuck costarella Enum.TryParse(child.gender, out genderOut); genderComboBox.SelectedItem = genderOut; dOBMonthCalendar.SelectionStart = DateTime.Parse(child.DOB); addressTextBox.Text = child.address; photoPictureBox.Image = (child.photo != null) ? ImageWrangler.ByteArrayToImage(child.photo) : Properties.Resources.child; LoadGuardiansForChild(child); } private void LoadGuardiansForChild(Child child_in) { dgvGuardians.Rows.Clear(); List guardians = SqliteDataAccess.GetGuardiansByChild(child_in); foreach (Guardian g in guardians) { dgvGuardians.Rows.Add(g.id, g.LastName, g.FirstName, g.PhoneNumber, g.EmailAddress); } } private void btnCancel_Click(object sender, EventArgs e) { Close(); } //TODO: Ted, find a better way to do this than I did. private void btnPhotoFromCam_Click(object sender, EventArgs e) { MessageBox.Show("From cam"); } /* On click of the button, open a file picker dialog box * for the user to browse/choose a picture. * Once the user clicks OK, the _FileOK event below fires, * validates the input. If file is OK, then read the file from disk, * convert it into an Image, and save it to the student picture box. */ private void btnPhotoFromDisk_Click(object sender, EventArgs e) { DialogResult dr = pic_openFileDialog.ShowDialog(); byte[] pic_in; if (dr == DialogResult.OK) { try { //Read picture pic_in = File.ReadAllBytes(pic_openFileDialog.FileName); //Check once again to make sure the picture's not too big... if(pic_in.Length >= MAX_PIC_SIZE) { MessageBox.Show("The selected child's photo size is too large. Choose a smaller photo size or shrink the photo.", "Great Home Childcare", MessageBoxButtons.OK, MessageBoxIcon.None); return; } Image dickPic = ImageWrangler.ByteArrayToImage(pic_in); //Place in dicpic box photoPictureBox.Image = dickPic; //change tag of pic box to something else photoPictureBox.Tag = CUSTOM_PIC_TAG; } catch (Exception ex) { MessageBox.Show("Unable to read selected file, try again.", "Great Home Childcare", MessageBoxButtons.OK, MessageBoxIcon.None); return; } } } private void btnAddGuardian_Click(object sender, EventArgs e) { MessageBox.Show("Add guardian"); } private void btnEditGuardian_Click(object sender, EventArgs e) { MessageBox.Show("Edit Guardian"); } private void btnDeleteGuardian_Click(object sender, EventArgs e) { MessageBox.Show("Delete Guardian"); } private void btnSave_Click(object sender, EventArgs e) { MessageBox.Show("Save and close"); return; //collect form and save to child object. child.id = (int)idNumericUpDown.Value; child.address = addressTextBox.Text; child.DOB = dOBMonthCalendar.SelectionStart.ToShortDateString(); child.FirstName = firstNameTextBox.Text; child.gender = genderComboBox.Text; child.LastName = lastNameTextBox.Text; child.race = raceTextBox.Text; if (photoPictureBox.Tag.ToString() == DEFAULT_PIC_TAG) child.photo = null; else child.photo = ImageWrangler.ImageToByteArray(photoPictureBox.Image); if(child.id > 0) //Should be all that's needed..... { SqliteDataAccess.UpdateChild(child); MessageBox.Show("Child updated successfully! Data saved!"); } else { //TODO: write code to add child. >> bee-gee's "Stayin' alive" plays << /* PB&J * Pop new window to add at least one guardian to the child, either existing or new. * Validate guardian exist in db upon return to this form. * if valid, then populate guardian table and update authorized_guardians * LAST THING: InsertNewStudent(child); */ } Close(); } /* Event that occurs when the user clicks Open in the file dialog box. * Check to see if the photo size is too large for the database. * If so, reject the file and inform the user. */ private void pic_openFileDialog_FileOk(object sender, CancelEventArgs e) { byte[] dickpic; //Chunk file into bytes. //If file > MAX_PIC_SIZE bytes long, reject file. dickpic = File.ReadAllBytes(pic_openFileDialog.FileName); if (dickpic.Length >= MAX_PIC_SIZE) //THAT'S WHAT SHE SAID { MessageBox.Show("The selected child's photo size is too large. Choose a smaller photo size or shrink the photo.", "Great Home Childcare", MessageBoxButtons.OK, MessageBoxIcon.None); return; } } } }