GreatHomeChildcare-2/frmAdminForm.cs

127 lines
4.0 KiB
C#
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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using GreatHomeChildcare.Models;
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/* Refs:
* https://stackoverflow.com/questions/10063770/how-to-add-a-new-row-to-datagridview-programmatically
* https://stackoverflow.com/questions/3370236/changing-the-row-height-of-a-datagridview
*/
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namespace GreatHomeChildcare
{
public partial class frmAdminForm : Form
{
//globals for cheap access.
SqliteDataAccess SqliteDataAccess = new SqliteDataAccess();
public static int child_id = 0;
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public frmAdminForm()
{
InitializeComponent();
}
// Load the datagridview of children when this form opens.
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private void frmAdminForm_Load(object sender, EventArgs e)
{
RefreshAdminView();
}
/* Load the admin form with a datagridview of
* all the children in the sql database.
* the 'id' field is present in the datagridview for easy access
* but is hidden in the UI.
* INPUT: List of all children
* OUTPUT: Datagridview.
*/
private void RefreshAdminView()
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{
dgvChildren.Rows.Clear();
List<Child> children = new List<Child>();
children = SqliteDataAccess.GetAllChildren();
foreach (Child c in children)
{
Image photo = (c.photo != null) ? ImageWrangler.ByteArrayToImage(c.photo) : Properties.Resources.child;
dgvChildren.Rows.Add(c.id, photo, c.DisplayName);
}
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}
//Close this screen, we're all done here.
private void btnClose_Click(object sender, EventArgs e)
{
Close();
}
//TODO: new form to generate reports
private void btnReports_Click(object sender, EventArgs e)
{
MessageBox.Show("Reports button clicked.");
}
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/* Pop-open a new form for crud operations for children
* and their guardians. Be sure you set the child_id
* to -1 here just to be on the super-safe side.
*/
private void btnAdd_Click(object sender, EventArgs e)
{
child_id = -1; //ENSURE!!!!
ShowChildCrudForm();
}
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/* Call the same crud form for adding a new child
* but store the child_id so the crud form
* can pick it up on form load.
*/
private void btnUpdate_Click(object sender, EventArgs e)
{
/* Get the child's database ID which is secretly hidden
* in the datagrid view at column 0. Since value is an
* Object, cast it to Int because that's what we know it is.
*/
child_id = (int)dgvChildren.CurrentRow.Cells[0].Value;
ShowChildCrudForm();
}
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/* Seperate function to show the crud form
* because both the add and the update buttons
* will show the crud form.
* INPUT: void
* OUTPUT: void
*/
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();
}
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/* Allow the admin to quit the program as a normal login
* will not be able to exit the attendence program
* from the main pin screen on the shared tablet.
*/
private void btnQuit_Click(object sender, EventArgs e)
{
MessageBox.Show("Thank you for using the program! Your data has been saved. Good bye!", "Great Home Childcare", MessageBoxButtons.OK, MessageBoxIcon.None);
Environment.Exit(0);
}
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}
}