editortestform.cs

一个很好用的html编辑器。带源码

			this.Controls.Add(this.bViewHtml);
			this.Controls.Add(this.bForeground);
			this.Controls.Add(this.bBackground);
			this.Controls.Add(this.bEditHTML);
			this.Controls.Add(this.bToolbar);
			this.Controls.Add(this.bBasrHref);
			this.Controls.Add(this.bOverWrite);
			this.Name = "EditorTestForm";
			this.Text = "Html Editor";
			this.Load += new System.EventHandler(this.EditorTestForm_Load);
			this.ResumeLayout(false);

		}
		#endregion

		/// <summary>
		/// The main entry point for the application.
		/// </summary>
		[STAThread]
		static void Main() 
		{
			// enable the XP styles
			Application.EnableVisualStyles();
			Application.DoEvents();

			// start the message loop for main form
			Application.Run(new EditorTestForm());

		}

		private void bToolbar_Click(object sender, System.EventArgs e)
		{
			this.htmlEditorControl.ToolbarVisible = !this.htmlEditorControl.ToolbarVisible;
			this.htmlEditorControl.Focus();
		}

		private void bBackground_Click(object sender, System.EventArgs e)
		{
			using (ColorDialog dialog = new ColorDialog())
			{
				if (dialog.ShowDialog() == DialogResult.OK)
				{
					Color color = dialog.Color;
					this.htmlEditorControl.BodyBackColor = color;
				}
			}
			this.htmlEditorControl.Focus();
		}

		private void bForeground_Click(object sender, System.EventArgs e)
		{
			using (ColorDialog dialog = new ColorDialog())
			{

				if (dialog.ShowDialog() == DialogResult.OK)
				{
					Color color = dialog.Color;
					this.htmlEditorControl.BodyForeColor =  color;
				}		
			}
			this.htmlEditorControl.Focus();
		}

		private void bEditHTML_Click(object sender, System.EventArgs e)
		{	
			this.htmlEditorControl.HtmlContentsEdit();
			this.htmlEditorControl.Focus();
		}

		private void bViewHtml_Click(object sender, System.EventArgs e)
		{
			this.htmlEditorControl.HtmlContentsView();
			this.htmlEditorControl.Focus();
		}

		private void bStyle_Click(object sender, System.EventArgs e)
		{
			string cssFile = Path.GetFullPath(AppDomain.CurrentDomain.SetupInformation.ApplicationBase + @"default.css");
			if (File.Exists(cssFile))
			{
				this.htmlEditorControl.LinkStyleSheet(cssFile);
				MessageBox.Show(this, cssFile, "Style Sheet Linked", MessageBoxButtons.OK, MessageBoxIcon.Information);
			}
			else
			{
				MessageBox.Show(this, cssFile, "Style Sheet Not Found", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
			}
			this.htmlEditorControl.Focus();
		}

		private void bScript_Click(object sender, System.EventArgs e)
		{
			string scriptFile = Path.GetFullPath(AppDomain.CurrentDomain.SetupInformation.ApplicationBase + @"default.js");
			if (File.Exists(scriptFile))
			{
				this.htmlEditorControl.LinkScriptSource(scriptFile);
				MessageBox.Show(this, scriptFile, "Script Source Linked", MessageBoxButtons.OK, MessageBoxIcon.Information);
			}
			else
			{
				MessageBox.Show(this, scriptFile, "Script Source Not Found", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
			}
			this.htmlEditorControl.Focus();

		}

		// obtains the text resource from an embedded file
		private string GetResourceText(string filename)
		{
			Assembly assembly = Assembly.GetExecutingAssembly();
			string resource = string.Empty;

			// resources are named using a fully qualified name
			string streamName = this.GetType().Namespace + @"." + filename;
			using (Stream stream = assembly.GetManifestResourceStream(streamName))
			{
				// read the contents of the embedded file
				using (StreamReader reader = new StreamReader(stream))
				{
					resource = reader.ReadToEnd();;
				}
			}

			return resource;

		}

		private void readonlyCheck_CheckedChanged(object sender, System.EventArgs e)
		{
			this.htmlEditorControl.ReadOnly = this.readonlyCheck.Checked;
			this.htmlEditorControl.Focus();
		}

		private void bOverWrite_Click(object sender, System.EventArgs e)
		{
			this.htmlEditorControl.ToggleOverWrite();
			this.htmlEditorControl.Focus();
		}

		private void bSaveHtml_Click(object sender, System.EventArgs e)
		{
			this.htmlEditorControl.SaveFilePrompt();
			this.htmlEditorControl.Focus();
		}

		private void bOpenHtml_Click(object sender, System.EventArgs e)
		{
			this.htmlEditorControl.OpenFilePrompt();
			this.htmlEditorControl.Focus();
		}

		private void bHeading_Click(object sender, System.EventArgs e)
		{
			int headingRef = this.listHeadings.SelectedIndex + 1;
			if (headingRef > 0)
			{
				HtmlHeadingType headingType = (HtmlHeadingType)headingRef;
				this.htmlEditorControl.InsertHeading(headingType);
			}
			this.htmlEditorControl.Focus();
		}

		private void bFormatted_Click(object sender, System.EventArgs e)
		{
			this.htmlEditorControl.InsertFormattedBlock();
		}

		private void bNormal_Click(object sender, System.EventArgs e)
		{
			this.htmlEditorControl.InsertNormalBlock();
		}

		private void bInsertHtml_Click(object sender, System.EventArgs e)
		{
			this.htmlEditorControl.InsertHtmlPrompt();	
			this.htmlEditorControl.Focus();
		}

		private void bImage_Click(object sender, System.EventArgs e)
		{

			// set initial value states
			string fileName = string.Empty;
			string filePath = string.Empty;

			// define the file dialog
			using (OpenFileDialog dialog = new OpenFileDialog())
			{
				dialog.Title = "Select Image";
				dialog.Filter = "Image Files(*.BMP;*.JPG;*.GIF)|*.BMP;*.JPG;*.GIF|All files (*.*)|*.*";
				dialog.FilterIndex = 1;
				dialog.RestoreDirectory = true;
				dialog.CheckFileExists = true;
				if (workingDirectory != String.Empty) dialog.InitialDirectory = workingDirectory; 
				if(dialog.ShowDialog() == DialogResult.OK)
				{
					fileName = Path.GetFileName(dialog.FileName);
					filePath = Path.GetFullPath(dialog.FileName);
					workingDirectory = Path.GetDirectoryName(dialog.FileName);

					if (fileName != "")
					{
						// have a path for a image I can insert
						this.htmlEditorControl.InsertImage(filePath);
					}
				}
			}
			this.htmlEditorControl.Focus();
		}

		private void bBasrHref_Click(object sender, System.EventArgs e)
		{
			this.htmlEditorControl.AutoWordWrap = !this.htmlEditorControl.AutoWordWrap;
			this.htmlEditorControl.Focus();
		}

		private void bPaste_Click(object sender, System.EventArgs e)
		{
			this.htmlEditorControl.InsertTextPrompt();
			this.htmlEditorControl.Focus();
		}

		// set the flat style of the dialog based on the user setting
		private void SetFlatStyleSystem(Control parent) 
		{
			// iterate through all controls setting the flat style
			foreach(Control control in parent.Controls) 
			{
				// Only these controls have a FlatStyle property
				ButtonBase button = control as ButtonBase;
				GroupBox group = control as GroupBox;
				Label label = control as Label;
				TextBox textBox = control as TextBox;
				if( button != null ) button.FlatStyle = FlatStyle.System;
				else if( group != null ) group.FlatStyle = FlatStyle.System;
				else if( label != null ) label.FlatStyle = FlatStyle.System;

				// Set contained controls FlatStyle, too
				SetFlatStyleSystem(control);
			}

		}

		private void EditorTestForm_Load(object sender, System.EventArgs e)
		{
			SetFlatStyleSystem(this);
		}

		private void bMicrosoft_Click(object sender, System.EventArgs e)
		{
			this.htmlEditorControl.NavigateToUrl(@"http://msdn.microsoft.com");
		}

		private void bUrl_Click(object sender, System.EventArgs e)
		{
			string href = Microsoft.VisualBasic.Interaction.InputBox("Enter Href for Navigation:", "Href", string.Empty, -1, -1);
			if (href != string.Empty) this.htmlEditorControl.LoadFromUrl(href);
		}

		private void htmlEditorControl_HtmlException(object sender, Microsoft.ConsultingServices.HtmlEditor.HtmlExceptionEventArgs args)
		{
			// obtain the message and operation
			// concatenate the message with any inner message
			string operation = args.Operation;
			Exception ex = args.ExceptionObject;
			string message = ex.Message;
			if (ex.InnerException != null)
			{
				if (ex.InnerException.Message != null)
				{
					message = string.Format("{0}\n{1}", message, ex.InnerException.Message);
				}
			}
			// define the title for the internal message box
			string title;
			if (operation == null || operation == string.Empty)
			{
				title = "Unknown Error";
			}
			else
			{
				title = operation + " Error";
			}
			// display the error message box
			MessageBox.Show(this, message, title, MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
		}

		private void bLoadFile_Click(object sender, System.EventArgs e)
		{
			// create an open file dialog
			using (OpenFileDialog dialog = new OpenFileDialog())
			{
				// define the dialog structure
				dialog.DefaultExt = "html";
				dialog.Title = "Open FIle";
				dialog.AddExtension = true;
				dialog.Filter = "Html files (*.html,*.htm)|*.html;*htm|All files (*.*)|*.*";
				dialog.FilterIndex = 1;
				dialog.RestoreDirectory = true;
				if (workingDirectory != String.Empty) dialog.InitialDirectory = workingDirectory; 
				// show the dialog and see if the users enters OK
				if(dialog.ShowDialog() == DialogResult.OK)
				{
					this.htmlEditorControl.LoadFromFile(dialog.FileName);
				}
			}
		}

		private void htmlEditorControl_HtmlNavigation(object sender, Microsoft.ConsultingServices.HtmlEditor.HtmlNavigationEventArgs e)
		{
			e.Cancel = false;
		}

	}

}