Add exporting pkm/mg from mgdb

Closes #1151 by extending functionality instead of limiting it :)

Users can now export Mystery Gifts from the database in either
MysteryGift files or converted PKM form regardless of current generation

PKHeX.WinForms/Subforms/SAV_MysteryGiftDB.cs

@@ -62,12 +62,16 @@ namespace PKHeX.WinForms
 
             ContextMenuStrip mnu = new ContextMenuStrip();
             ToolStripMenuItem mnuView = new ToolStripMenuItem("View");
+            ToolStripMenuItem mnuSaveMG = new ToolStripMenuItem("Save Gift");
+            ToolStripMenuItem mnuSavePK = new ToolStripMenuItem("Save PKM");
 
             // Assign event handlers
             mnuView.Click += clickView;
+            mnuSaveMG.Click += clickSaveMG;
+            mnuSavePK.Click += clickSavePK;
 
             // Add to main context menu
-            mnu.Items.AddRange(new ToolStripItem[] { mnuView });
+            mnu.Items.AddRange(new ToolStripItem[] { mnuView, mnuSaveMG, mnuSavePK });
 
             // Assign to datagridview
             foreach (PictureBox p in PKXBOXES)
@@ -110,26 +114,44 @@ namespace PKHeX.WinForms
         // Important Events
         private void clickView(object sender, EventArgs e)
         {
-            sender = ((sender as ToolStripItem)?.Owner as ContextMenuStrip)?.SourceControl ?? sender as PictureBox;
+            int index = getSenderIndex(sender);
-            int index = Array.IndexOf(PKXBOXES, sender);
-            if (index >= RES_MAX)
-            {
-                System.Media.SystemSounds.Exclamation.Play();
-                return;
-            }
-            index += SCR_Box.Value*RES_MIN;
-            if (index >= Results.Count)
-            {
-                System.Media.SystemSounds.Exclamation.Play();
-                return;
-            }
-
             m_parent.populateFields(Results[index].convertToPKM(Main.SAV), false);
             slotSelected = index;
             slotColor = Properties.Resources.slotView;
             FillPKXBoxes(SCR_Box.Value);
             L_Viewed.Text = string.Format(Viewed, Results[index].FileName);
         }
+        private void clickSavePK(object sender, EventArgs e)
+        {
+            int index = getSenderIndex(sender);
+            var gift = Results[index];
+            var pk = gift.convertToPKM(Main.SAV);
+            WinFormsUtil.SavePKMDialog(pk);
+        }
+        private void clickSaveMG(object sender, EventArgs e)
+        {
+            int index = getSenderIndex(sender);
+            var gift = Results[index];
+            WinFormsUtil.SaveMGDialog(gift);
+        }
+
+        private int getSenderIndex(object sender)
+        {
+            sender = ((sender as ToolStripItem)?.Owner as ContextMenuStrip)?.SourceControl ?? sender as PictureBox;
+            int index = Array.IndexOf(PKXBOXES, sender);
+            if (index >= RES_MAX)
+            {
+                System.Media.SystemSounds.Exclamation.Play();
+                return -1;
+            }
+            index += SCR_Box.Value*RES_MIN;
+            if (index >= Results.Count)
+            {
+                System.Media.SystemSounds.Exclamation.Play();
+                return -1;
+            }
+            return index;
+        }
         private void populateComboBoxes()
         {
             // Set the Text

PKHeX.WinForms/Subforms/Save Editors/SAV_Wondercard.cs

@@ -115,25 +115,9 @@ namespace PKHeX.WinForms
         }
 
         // Mystery Gift IO (.file<->window)
-        private string getFilter()
-        {
-            switch (SAV.Generation)
-            {
-                case 4:
-                    return "Gen4 Mystery Gift|*.pgt;*.pcd|All Files|*.*";
-                case 5:
-                    return "Gen5 Mystery Gift|*.pgf|All Files|*.*";
-                case 6:
-                    return "Gen6 Mystery Gift|*.wc6;*.wc6full|All Files|*.*";
-                case 7:
-                    return "Gen7 Mystery Gift|*.wc7;*.wc7full|All Files|*.*";
-                default:
-                    return "";
-            }
-        }
         private void B_Import_Click(object sender, EventArgs e)
         {
-            OpenFileDialog import = new OpenFileDialog {Filter = getFilter()};
+            OpenFileDialog import = new OpenFileDialog {Filter = WinFormsUtil.getMysterGiftFilter(SAV.Generation)};
             if (import.ShowDialog() != DialogResult.OK) return;
 
             string path = import.FileName;
@@ -147,27 +131,7 @@ namespace PKHeX.WinForms
         }
         private void B_Output_Click(object sender, EventArgs e)
         {
-            SaveFileDialog outputwc6 = new SaveFileDialog
+            WinFormsUtil.SaveMGDialog(mg);
-            {
-                Filter = getFilter(),
-                FileName = Util.CleanFileName(mg.FileName)
-            };
-            if (outputwc6.ShowDialog() != DialogResult.OK) return;
-
-            string path = outputwc6.FileName;
-
-            if (File.Exists(path))
-            {
-                // File already exists, save a .bak
-                string bakpath = path + ".bak";
-                if (!File.Exists(bakpath))
-                {
-                    byte[] backupfile = File.ReadAllBytes(path);
-                    File.WriteAllBytes(bakpath, backupfile);
-                }
-            }
-
-            File.WriteAllBytes(path, mg.Data);
         }
 
         private int getLastUnfilledByType(MysteryGift Gift, MysteryGiftAlbum Album)

PKHeX.WinForms/Util/WinFormsUtil.cs

@@ -321,5 +321,53 @@ namespace PKHeX.WinForms
             }
             return true;
         }
+        /// <summary>
+        /// Opens a dialog to save a <see cref="MysteryGift"/> file.
+        /// </summary>
+        /// <param name="gift"><see cref="MysteryGift"/> to be saved.</param>
+        /// <returns>Result of whether or not the file was saved.</returns>
+        public static bool SaveMGDialog(MysteryGift gift)
+        {
+            SaveFileDialog output = new SaveFileDialog
+            {
+                Filter = getMysterGiftFilter(gift.Format),
+                FileName = Util.CleanFileName(gift.FileName)
+            };
+            if (output.ShowDialog() != DialogResult.OK)
+                return false;
+
+            string path = output.FileName;
+
+            if (File.Exists(path))
+            {
+                // File already exists, save a .bak
+                string bakpath = path + ".bak";
+                if (!File.Exists(bakpath))
+                {
+                    byte[] backupfile = File.ReadAllBytes(path);
+                    File.WriteAllBytes(bakpath, backupfile);
+                }
+            }
+
+            File.WriteAllBytes(path, gift.Data);
+            return true;
+        }
+
+        public static string getMysterGiftFilter(int Format)
+        {
+            switch (Format)
+            {
+                case 4:
+                    return "Gen4 Mystery Gift|*.pgt;*.pcd|All Files|*.*";
+                case 5:
+                    return "Gen5 Mystery Gift|*.pgf|All Files|*.*";
+                case 6:
+                    return "Gen6 Mystery Gift|*.wc6;*.wc6full|All Files|*.*";
+                case 7:
+                    return "Gen7 Mystery Gift|*.wc7;*.wc7full|All Files|*.*";
+                default:
+                    return "";
+            }
+        }
     }
 }