/// <summary> /// This function price range button click operation. /// This function is used to filter operation. /// </summary> /// <returns> This function does not return a value </returns> private void btnPriceRange_Click(object sender, EventArgs e) { flpBookList.Controls.Clear(); if (txtMinPrice.Text == "" || txtMaxPrice.Text == "") { MessageBox.Show("Please fill in the blanks. (min - max)", "Information", MessageBoxButtons.OK, MessageBoxIcon.Information); BookScreen_Load(sender, e); txtMaxPrice.Text = ""; txtMinPrice.Text = ""; } else { foreach (Product product in StoreMainScreen.productList) { if (product is Book) { if (product.Price >= Int32.Parse(txtMinPrice.Text) && product.Price <= Int32.Parse(txtMaxPrice.Text)) { BookDesign bookDesign = new BookDesign((Book)product); bookDesignList.Add(bookDesign); flpBookList.Controls.Add(bookDesign); } } } } if (flpBookList.Controls.Count == 0) { MessageBox.Show("There is no product in the range you are looking for.", "Information", MessageBoxButtons.OK, MessageBoxIcon.Information); BookScreen_Load(sender, e); txtMinPrice.Text = ""; txtMaxPrice.Text = ""; } }
/// <summary> /// This function used to add bookDesignList and controls. /// </summary> /// <returns> This function does not return a value </returns> private void BookScreen_Load(object sender, EventArgs e) { foreach (Product product in StoreMainScreen.productList) { if (product is Book) { BookDesign bookDesign = new BookDesign((Book)product); bookDesignList.Add(bookDesign); flpBookList.Controls.Add(bookDesign); } } }
/// <summary> /// This function used to clear and add for bookDesignList and controls. /// </summary> /// <returns> This function does not return a value </returns> private void flpBookList_VisibleChanged(object sender, EventArgs e) { txtSearch.Text = "Search here"; if (bookDesignList.Count > 0) { bookDesignList.Clear(); flpBookList.Controls.Clear(); } foreach (Product product in StoreMainScreen.productList) { if (product is Book) { BookDesign bookDesign = new BookDesign((Book)product); bookDesignList.Add(bookDesign); flpBookList.Controls.Add(bookDesign); } } }
/// <summary> /// This function used to search product. /// </summary> /// <returns> This function does not return a value </returns> private void txtSearch_TextChanged(object sender, EventArgs e) { flpBookList.Controls.Clear(); if (txtSearch.Text == "") { BookScreen_Load(sender, e); } else { foreach (Product product in StoreMainScreen.productList) { if (product is Book) { if (product.Name.ToUpper().Contains(txtSearch.Text.ToUpper()) || product.Name.ToLower().Contains(txtSearch.Text.ToLower())) { BookDesign bookDesign = new BookDesign((Book)product); bookDesignList.Add(bookDesign); flpBookList.Controls.Add(bookDesign); } } } } }