Completed the SaveToPDF and added the Print function to ContextMenu

src/Handlers/ContextMenuHandler.cs

@@ -1,121 +1,145 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using CefSharp;
-using System.Windows.Forms;
-using CefSharp.WinForms;
-
-namespace SharpBrowser {
-	internal class ContextMenuHandler : IContextMenuHandler {
-
-		private const int ShowDevTools = 26501;
-		private const int CloseDevTools = 26502;
-		private const int SaveImageAs = 26503;
-		private const int SaveAsPdf = 26504;
-		private const int SaveLinkAs = 26505;
-		private const int CopyLinkAddress = 26506;
-		private const int OpenLinkInNewTab = 26507;
-		private const int CloseTab = 40007;
-		private const int RefreshTab = 40008;
-		readonly MainForm myForm;
-
-		private string lastSelText = "";
-
-		public ContextMenuHandler(MainForm form) {
-			myForm = form;
-		}
-
-		public void OnBeforeContextMenu(IWebBrowser browserControl, IBrowser browser, IFrame frame, IContextMenuParams parameters, IMenuModel model) {
-
-			// clear the menu
-			model.Clear();
-
-			// save text
-			lastSelText = parameters.SelectionText;
-
-			// to copy text
-			if (parameters.SelectionText.CheckIfValid()) {
-				model.AddItem(CefMenuCommand.Copy, "Copy");
-				model.AddSeparator();
-			}
-
-			//Removing existing menu item
-			//bool removed = model.Remove(CefMenuCommand.ViewSource); // Remove "View Source" option
-			if (parameters.LinkUrl != "") {
-				model.AddItem((CefMenuCommand)OpenLinkInNewTab, "Open link in new tab");
-				model.AddItem((CefMenuCommand)CopyLinkAddress, "Copy link");
-				model.AddSeparator();
-			}
-
-			if (parameters.HasImageContents && parameters.SourceUrl.CheckIfValid()) {
-
-				// RIGHT CLICKED ON IMAGE
-
-			}
-
-			if (parameters.SelectionText != null) {
-
-				// TEXT IS SELECTED
-
-			}
-
-			//Add new custom menu items
-			//#if DEBUG
-			model.AddItem((CefMenuCommand)ShowDevTools, "Developer tools");
-			model.AddItem(CefMenuCommand.ViewSource, "View source");
-			model.AddSeparator();
-			//#endif
-
-			model.AddItem((CefMenuCommand)RefreshTab, "Refresh tab");
-			model.AddItem((CefMenuCommand)CloseTab, "Close tab");
-
-		}
-
-		public bool OnContextMenuCommand(IWebBrowser browserControl, IBrowser browser, IFrame frame, IContextMenuParams parameters, CefMenuCommand commandId, CefEventFlags eventFlags) {
-
-			int id = (int)commandId;
-
-			if (id == ShowDevTools) {
-				browser.ShowDevTools();
-			}
-			if (id == CloseDevTools) {
-				browser.CloseDevTools();
-			}
-			if (id == SaveImageAs) {
-				browser.GetHost().StartDownload(parameters.SourceUrl);
-			}
-			if (id == SaveLinkAs) {
-				browser.GetHost().StartDownload(parameters.LinkUrl);
-			}
-			if (id == OpenLinkInNewTab) {
-				ChromiumWebBrowser newBrowser = myForm.AddNewBrowserTab(parameters.LinkUrl, false, browser.MainFrame.Url);
-			}
-			if (id == CopyLinkAddress) {
-				Clipboard.SetText(parameters.LinkUrl);
-			}
-			if (id == CloseTab) {
-				myForm.InvokeOnParent(delegate () {
-					myForm.CloseActiveTab();
-				});
-			}
-			if (id == RefreshTab) {
-				myForm.InvokeOnParent(delegate () {
-					myForm.RefreshActiveTab();
-				});
-			}
-
-			return false;
-		}
-
-		public void OnContextMenuDismissed(IWebBrowser browserControl, IBrowser browser, IFrame frame) {
-
-		}
-
-		public bool RunContextMenu(IWebBrowser browserControl, IBrowser browser, IFrame frame, IContextMenuParams parameters, IMenuModel model, IRunContextMenuCallback callback) {
-
-			// show default menu
-			return false;
-		}
-	}
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using CefSharp;
+using System.Windows.Forms;
+using CefSharp.WinForms;
+
+namespace SharpBrowser {
+	internal class ContextMenuHandler : IContextMenuHandler {
+
+		private const int ShowDevTools = 26501;
+		private const int CloseDevTools = 26502;
+		private const int SaveImageAs = 26503;
+		private const int SaveAsPdf = 26504;
+		private const int SaveLinkAs = 26505;
+		private const int CopyLinkAddress = 26506;
+		private const int OpenLinkInNewTab = 26507;
+		private const int CloseTab = 40007;
+		private const int RefreshTab = 40008;
+		private const int Print = 26508;
+		readonly MainForm myForm;
+
+		private string lastSelText = "";
+
+		public ContextMenuHandler(MainForm form) {
+			myForm = form;
+		}
+
+		public void OnBeforeContextMenu(IWebBrowser browserControl, IBrowser browser, IFrame frame, IContextMenuParams parameters, IMenuModel model) {
+
+			// clear the menu
+			model.Clear();
+
+			// save text
+			lastSelText = parameters.SelectionText;
+
+			// to copy text
+			if (parameters.SelectionText.CheckIfValid()) {
+				model.AddItem(CefMenuCommand.Copy, "Copy");
+				model.AddSeparator();
+			}
+
+			//Removing existing menu item
+			//bool removed = model.Remove(CefMenuCommand.ViewSource); // Remove "View Source" option
+			if (parameters.LinkUrl != "") {
+				model.AddItem((CefMenuCommand)OpenLinkInNewTab, "Open link in new tab");
+				model.AddItem((CefMenuCommand)CopyLinkAddress, "Copy link");
+				model.AddSeparator();
+			}
+
+			if (parameters.HasImageContents && parameters.SourceUrl.CheckIfValid()) {
+
+				// RIGHT CLICKED ON IMAGE
+
+			}
+
+			if (parameters.SelectionText != null) {
+
+				// TEXT IS SELECTED
+
+			}
+
+			//Add new custom menu items
+			//#if DEBUG
+			model.AddItem((CefMenuCommand)ShowDevTools, "Developer tools");
+			model.AddItem(CefMenuCommand.ViewSource, "View source");
+			model.AddSeparator();
+			//#endif
+
+			model.AddItem((CefMenuCommand)RefreshTab, "Refresh tab");
+			model.AddItem((CefMenuCommand)CloseTab, "Close tab");
+			model.AddSeparator();
+
+			model.AddItem((CefMenuCommand)SaveAsPdf, "Save as PDF");
+			model.AddItem((CefMenuCommand)Print, "Print Page");
+
+		}
+
+		public bool OnContextMenuCommand(IWebBrowser browserControl, IBrowser browser, IFrame frame, IContextMenuParams parameters, CefMenuCommand commandId, CefEventFlags eventFlags) {
+
+			int id = (int)commandId;
+
+			if (id == ShowDevTools) {
+				browser.ShowDevTools();
+			}
+			if (id == CloseDevTools) {
+				browser.CloseDevTools();
+			}
+			if (id == SaveImageAs) {
+				browser.GetHost().StartDownload(parameters.SourceUrl);
+			}
+			if (id == SaveLinkAs) {
+				browser.GetHost().StartDownload(parameters.LinkUrl);
+			}
+			if (id == OpenLinkInNewTab) {
+				ChromiumWebBrowser newBrowser = myForm.AddNewBrowserTab(parameters.LinkUrl, false, browser.MainFrame.Url);
+			}
+			if (id == CopyLinkAddress) {
+				Clipboard.SetText(parameters.LinkUrl);
+			}
+			if (id == CloseTab) {
+				myForm.InvokeOnParent(delegate () {
+					myForm.CloseActiveTab();
+				});
+			}
+			if (id == RefreshTab) {
+				myForm.InvokeOnParent(delegate () {
+					myForm.RefreshActiveTab();
+				});
+			}
+			if (id == SaveAsPdf)
+			{
+
+				SaveFileDialog sfd = new SaveFileDialog();
+				sfd.Filter = "PDF Files | *.pdf";
+				if (sfd.ShowDialog() == DialogResult.OK)
+				{
+					//string path = Path.GetFileName(sfd.FileName);
+					browser.PrintToPdfAsync(sfd.FileName, new PdfPrintSettings()
+					{
+						SelectionOnly = false,
+						BackgroundsEnabled = true
+					});
+				}
+			}
+			if (id == Print)
+			{
+				browser.Print();
+			}
+
+			return false;
+		}
+
+		public void OnContextMenuDismissed(IWebBrowser browserControl, IBrowser browser, IFrame frame) {
+
+		}
+
+		public bool RunContextMenu(IWebBrowser browserControl, IBrowser browser, IFrame frame, IContextMenuParams parameters, IMenuModel model, IRunContextMenuCallback callback) {
+
+			// show default menu
+			return false;
+		}
+	}
 }