Edit Entries

bin/Debug/snacks.csv

@@ -1 +1,8 @@
-test,0.03,1,H:\Students_Folder\Charlie Hatch\Semesters\Multi-Semester\App Dev\Projects\Advanced Appdev\Snack-Shack-2\presetImages\2fer.jpg
+test,0.05,2,H:\Students_Folder\Charlie Hatch\Semesters\Multi-Semester\App Dev\Projects\Advanced Appdev\Snack-Shack\presetImages\2fer.jpg,0
+test,0.07,1,H:\Students_Folder\Charlie Hatch\Semesters\Multi-Semester\App Dev\Projects\Advanced Appdev\Snack-Shack\presetImages\airheads.jpg,1
+Test,0.06,9,H:\Students_Folder\Charlie Hatch\Semesters\Multi-Semester\App Dev\Projects\Advanced Appdev\Snack-Shack\presetImages\2fer.jpg,2
+test,0.05,0,H:\Students_Folder\Charlie Hatch\Semesters\Multi-Semester\App Dev\Projects\Advanced Appdev\Snack-Shack\presetImages\airheads.jpg,3
+2*fer,0.99,39,H:\Students_Folder\Charlie Hatch\Semesters\Multi-Semester\App Dev\Projects\Advanced Appdev\Snack-Shack\presetImages\2fer.jpg,4
+Airheads,0.99,16,H:\Students_Folder\Charlie Hatch\Semesters\Multi-Semester\App Dev\Projects\Advanced Appdev\Snack-Shack\presetImages\airheads.jpg,5
+Almond Joy,0.99,13,H:\Students_Folder\Charlie Hatch\Semesters\Multi-Semester\App Dev\Projects\Advanced Appdev\Snack-Shack\presetImages\almondjoy.png,6
+MilkyWay,0.07,7,H:\Students_Folder\Charlie Hatch\Semesters\Multi-Semester\App Dev\Projects\Advanced Appdev\Snack-Shack\presetImages\MilkyWay.jpg,7

constants.cs

@@ -7,6 +7,7 @@ internal static class constants //pre-defined constants
         internal const char entrySep = ','; //seperation character
         internal const string preMadeErrorMsg = "I'm sorry dave, I'm afraid I can't do that"; //pre-made error message
         internal const decimal minPrice = 0.05M;
+        internal const decimal minQuantity = 0M;
         /*internal static string fileSepString() //give the seperation character as a string
         {
             char.ToString(fileSepChar_con);

frm_snackInvent.cs

@@ -51,18 +51,19 @@ private void btn_add_Click(object sender, EventArgs e)
                 snack.price = Convert.ToDouble(nud_snackPrice.Value);
                 snack.amount = Convert.ToInt32(nud_snackQuantity.Value);
                 snack.imagepath = txt_imagePath.Text;
+                snack.index = Program.snacks.Count;
 
                 Program.snacks.Add(snack); //add to list
 
-                dgv_invent.Rows.Add(snack.name, snack.price, snack.amount, Image.FromFile(snack.imagepath), snack.imagepath); //add into table
+                dgv_invent.Rows.Add(snack.name, snack.price, snack.amount, Image.FromFile(snack.imagepath), snack.imagepath, snack.index); //add into table
 
                 toolStripStatusLabel1.Text = string.Format("Successfully added {0}", snack.name); //show name of snack added
 
                 //reset
                 txt_imagePath.Text = "";
                 txt_snackName.Text = "";
                 nud_snackPrice.Value = constants.minPrice;
-                nud_snackQuantity.Value = 0;
+                nud_snackQuantity.Value = constants.minQuantity;
                 pb_snackIcon.Image = null;
             }
         }
@@ -78,7 +79,7 @@ private void frm_snackInvent_FormClosing(object sender, FormClosingEventArgs e)
                     foreach (var snack in Program.snacks)
                     {
                         //snack name, price, quantity, imagepath
-                        sw.WriteLine(snack.name + constants.entrySep + snack.price + constants.entrySep + snack.amount + constants.entrySep + snack.imagepath); //write in csv format
+                        sw.WriteLine(snack.name + constants.entrySep + snack.price + constants.entrySep + snack.amount + constants.entrySep + snack.imagepath + constants.entrySep + snack.index); //write in csv format
 
                         count++; //increment count
                         toolStripStatusLabel1.Text = String.Format("Wrote {0} snacks to file", count); //show how many entries have been written so far
@@ -87,7 +88,7 @@ private void frm_snackInvent_FormClosing(object sender, FormClosingEventArgs e)
             }
             catch (Exception ex) //catch exception
             {
-                MessageBox.Show("Error during file write", "", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                MessageBox.Show(ex.ToString(), "Error during file write", MessageBoxButtons.OK, MessageBoxIcon.Error);
             }
         }
         private void frm_snackInvent_Load(object sender, EventArgs e)
@@ -105,7 +106,7 @@ private void frm_snackInvent_Load(object sender, EventArgs e)
                         while(!sr.EndOfStream)
                         {
                             snackInvent snack = new snackInvent(); //make new class
-                                //order is: snackname, price, quantity, imagepath
+                                //order is: snackname, price, quantity, imagepath, index
 
                             string line = sr.ReadLine(); //read line
                             string[] arr = line.Split(constants.entrySep); //split into an array based on the csv format
@@ -115,20 +116,70 @@ private void frm_snackInvent_Load(object sender, EventArgs e)
                             snack.price = double.Parse(arr[1]);
                             snack.amount = Int32.Parse(arr[2]);
                             snack.imagepath = arr[3];
+                            snack.index = int.Parse(arr[4]); 
 
                             count++;
                             toolStripStatusLabel1.Text =
                                 String.Format("Loaded {0} snacks from file", count); //show how many snacks loaded at this point
                             Program.snacks.Add(snack); //add class into list
-                            dgv_invent.Rows.Add(snack.name, snack.price, snack.amount, Image.FromFile(snack.imagepath), snack.imagepath); //add class to table
+                            dgv_invent.Rows.Add(snack.name, snack.price, snack.amount, Image.FromFile(snack.imagepath), snack.imagepath, snack.index); //add class to table
                         }
                     }
                 }
             } catch (Exception ex) //catch exception
             {
-                MessageBox.Show("Error during file read", "", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                MessageBox.Show(ex.ToString(), "Error during file write", MessageBoxButtons.OK, MessageBoxIcon.Error);
 
             }
         }
+
+
+        private void dgv_selectEdit(object sender, DataGridViewCellEventArgs e)
+        {
+            if (dgv_invent == null)
+            {
+                return; //output nothing
+            } //make sure there is something selected
+            var row = dgv_invent.CurrentRow; //set a variable to the contents of the current row
+            var indText = row.Cells[5].Value.ToString(); //get the index value from what was clicked
+            var ind = int.Parse(indText);
+            var item = Program.snacks[ind];
+            if (item != null)
+            {
+                txt_imagePath.Text = item.imagepath;
+                pb_snackIcon.ImageLocation = item.imagepath;
+                var price = Convert.ToDecimal(item.price);
+                if (price >= constants.minPrice)
+                {
+                } else
+                {
+                    price = constants.minPrice;
+                }
+                nud_snackPrice.Value= price;
+                var amount = Convert.ToDecimal(item.amount);
+                if(amount >= constants.minQuantity)
+                {
+
+                } else
+                {
+                    amount = 0;
+                }
+                nud_snackQuantity.Value= amount;
+            } //check if it exists
+            btn_add.Text = "Edit Entry"; //change button text
+        } //populate text boxes with the content of the selected row
+
+        private void btn_clearEntry_Click(object sender, EventArgs e)
+        {
+            txt_imagePath.Text = "";
+            txt_snackName.Text = "";
+            nud_snackPrice.Value = constants.minPrice;
+            nud_snackQuantity.Value = constants.minQuantity;
+            pb_snackIcon.Image = null;
+            if (dgv_invent.CurrentRow != null)
+            {
+                dgv_invent.ClearSelection(); //deselect row
+            } //if a row is selected (which therefore means it was editing an entry), deselect all rows
+        }
     }
-}
+}

frm_snackInvent.resx

@@ -135,6 +135,9 @@
   <metadata name="col_iconPath.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
     <value>True</value>
   </metadata>
+  <metadata name="col_icon.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
+    <value>True</value>
+  </metadata>
   <metadata name="statusStrip1.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
     <value>156, 17</value>
   </metadata>

snackInvent.cs

@@ -6,7 +6,6 @@ internal class snackInvent
         internal double price; //cost of snack
         internal int amount; //quantity of snack
         internal string imagepath; //path of image
-        //internal int index; 
-            //the index of the entry
+        internal int index; //the index of the entry
     }
 }