update 20241125
This commit is contained in:
Stefan Hutter
846
Tools_StringCipher/frmEditor.cs
Normal file
846
Tools_StringCipher/frmEditor.cs
Normal file
@@ -0,0 +1,846 @@
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/*
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* Programmer: Hunter Johnson
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* Name: Rich Text Editor
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* Date: November 1, 2016
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*/
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.Drawing;
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using System.Drawing.Text;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Threading;
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using System.Windows.Forms;
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using System.IO;
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namespace Tools_StringCipher
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{
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public partial class frmEditor : Form
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{
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List<string> colorList = new List<string>(); // holds the System.Drawing.Color names
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string filenamee; // file opened inside of RTB
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const int MIDDLE = 382; // middle sum of RGB - max is 765
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int sumRGB; // sum of the selected colors RGB
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int pos, line, column; // for detecting line and column numbers
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public frmEditor()
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{
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InitializeComponent();
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}
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private void frmEditor_Load(object sender, EventArgs e)
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{
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richTextBox1.AllowDrop = true; // to allow drag and drop to the RichTextBox
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richTextBox1.AcceptsTab = true; // allow tab
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richTextBox1.WordWrap = false; // disable word wrap on start
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richTextBox1.ShortcutsEnabled = true; // allow shortcuts
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richTextBox1.DetectUrls = true; // allow detect url
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fontDialog1.ShowColor = true;
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fontDialog1.ShowApply = true;
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fontDialog1.ShowHelp = true;
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colorDialog1.AllowFullOpen = true;
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colorDialog1.AnyColor = true;
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colorDialog1.SolidColorOnly = false;
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colorDialog1.ShowHelp = true;
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colorDialog1.AnyColor = true;
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leftAlignStripButton.Checked = true;
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centerAlignStripButton.Checked = false;
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rightAlignStripButton.Checked = false;
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boldStripButton3.Checked = false;
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italicStripButton.Checked = false;
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rightAlignStripButton.Checked = false;
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bulletListStripButton.Checked = false;
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wordWrapToolStripMenuItem.Image = null;
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MinimizeBox = false;
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MaximizeBox = false;
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this.FormBorderStyle = FormBorderStyle.FixedSingle;
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// fill zoomDropDownButton item list
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zoomDropDownButton.DropDown.Items.Add("20%");
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zoomDropDownButton.DropDown.Items.Add("50%");
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zoomDropDownButton.DropDown.Items.Add("70%");
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zoomDropDownButton.DropDown.Items.Add("100%");
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zoomDropDownButton.DropDown.Items.Add("150%");
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zoomDropDownButton.DropDown.Items.Add("200%");
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zoomDropDownButton.DropDown.Items.Add("300%");
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zoomDropDownButton.DropDown.Items.Add("400%");
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zoomDropDownButton.DropDown.Items.Add("500%");
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// fill font sizes in combo box
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for (int i = 8; i < 80; i += 2)
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{
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fontSizeComboBox.Items.Add(i);
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}
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// fill colors in color drop down list
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foreach (System.Reflection.PropertyInfo prop in typeof(Color).GetProperties())
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{
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if (prop.PropertyType.FullName == "System.Drawing.Color")
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{
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colorList.Add(prop.Name);
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}
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}
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// fill the drop down items list
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foreach(string color in colorList)
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{
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colorStripDropDownButton.DropDownItems.Add(color);
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}
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// fill BackColor for each color in the DropDownItems list
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for (int i = 0; i < colorStripDropDownButton.DropDownItems.Count; i++)
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{
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// Create KnownColor object
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KnownColor selectedColor;
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selectedColor = (KnownColor)System.Enum.Parse(typeof(KnownColor), colorList[i]); // parse to a KnownColor
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colorStripDropDownButton.DropDownItems[i].BackColor = Color.FromKnownColor(selectedColor); // set the BackColor to its appropriate list item
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// Set the text color depending on if the barkground is darker or lighter
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// create Color object
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Color col = Color.FromName(colorList[i]);
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// 255,255,255 = White and 0,0,0 = Black
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// Max sum of RGB values is 765 -> (255 + 255 + 255)
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// Middle sum of RGB values is 382 -> (765/2)
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// Color is considered darker if its <= 382
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// Color is considered lighter if its > 382
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sumRGB = ConvertToRGB(col); // get the color objects sum of the RGB value
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if (sumRGB <= MIDDLE) // Darker Background
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{
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colorStripDropDownButton.DropDownItems[i].ForeColor = Color.White; // set to White text
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}
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else if (sumRGB > MIDDLE) // Lighter Background
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{
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colorStripDropDownButton.DropDownItems[i].ForeColor = Color.Black; // set to Black text
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}
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}
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// fill fonts in font combo box
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InstalledFontCollection fonts = new InstalledFontCollection();
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foreach (FontFamily family in fonts.Families)
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{
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fontStripComboBox.Items.Add(family.Name);
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}
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// determines the line and column numbers of mouse position on the richTextBox
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int pos = richTextBox1.SelectionStart;
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int line = richTextBox1.GetLineFromCharIndex(pos);
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int column = richTextBox1.SelectionStart - richTextBox1.GetFirstCharIndexFromLine(line);
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lineColumnStatusLabel.Text = "Line " + (line + 1) + ", Column " + (column + 1);
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}
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//******************************************************************************************************************************
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// ConvertToRGB - Accepts a Color object as its parameter. Gets the RGB values of the object passed to it, calculates the sum. *
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//******************************************************************************************************************************
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private int ConvertToRGB(System.Drawing.Color c)
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{
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int r = c.R, // RED component value
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g = c.G, // GREEN component value
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b = c.B; // BLUE component value
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int sum = 0;
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// calculate sum of RGB
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sum = r + g + b;
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return sum;
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}
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private void selectAllToolStripMenuItem_Click(object sender, EventArgs e)
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{
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richTextBox1.SelectAll(); // select all text
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}
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private void clearToolStripMenuItem_Click(object sender, EventArgs e)
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{
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// clear
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richTextBox1.Clear();
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}
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private void pasteToolStripMenuItem_Click(object sender, EventArgs e)
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{
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richTextBox1.Paste(); // paste text
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}
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private void copyToolStripMenuItem_Click(object sender, EventArgs e)
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{
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richTextBox1.Copy(); // copy text
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}
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private void cutToolStripMenuItem_Click(object sender, EventArgs e)
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{
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richTextBox1.Cut(); // cut text
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}
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private void boldStripButton3_Click(object sender, EventArgs e)
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{
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if (boldStripButton3.Checked == false)
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{
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boldStripButton3.Checked = true; // BOLD is true
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}
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else if (boldStripButton3.Checked == true)
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{
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boldStripButton3.Checked = false; // BOLD is false
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}
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if (richTextBox1.SelectionFont == null)
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{
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return;
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}
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// create fontStyle object
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FontStyle style = richTextBox1.SelectionFont.Style;
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// determines the font style
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if (richTextBox1.SelectionFont.Bold)
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{
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style &= ~FontStyle.Bold;
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}
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else
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{
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style |= FontStyle.Bold;
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}
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richTextBox1.SelectionFont = new Font(richTextBox1.SelectionFont, style); // sets the font style
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}
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private void underlineStripButton_Click(object sender, EventArgs e)
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{
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if (underlineStripButton.Checked == false)
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{
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underlineStripButton.Checked = true; // UNDERLINE is active
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}
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else if (underlineStripButton.Checked == true)
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{
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underlineStripButton.Checked = false; // UNDERLINE is not active
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}
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if (richTextBox1.SelectionFont == null)
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{
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return;
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}
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// create fontStyle object
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FontStyle style = richTextBox1.SelectionFont.Style;
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// determines the font style
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if (richTextBox1.SelectionFont.Underline)
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{
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style &= ~FontStyle.Underline;
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}
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else
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{
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style |= FontStyle.Underline;
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}
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richTextBox1.SelectionFont = new Font(richTextBox1.SelectionFont, style); // sets the font style
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}
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private void italicStripButton_Click(object sender, EventArgs e)
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{
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if (italicStripButton.Checked == false)
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{
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italicStripButton.Checked = true; // ITALICS is active
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}
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else if (italicStripButton.Checked == true)
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{
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italicStripButton.Checked = false; // ITALICS is not active
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}
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if (richTextBox1.SelectionFont == null)
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{
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return;
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}
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// create fontStyle object
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FontStyle style = richTextBox1.SelectionFont.Style;
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// determines font style
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if (richTextBox1.SelectionFont.Italic)
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{
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style &= ~FontStyle.Italic;
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}
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else
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{
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style |= FontStyle.Italic;
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}
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richTextBox1.SelectionFont = new Font(richTextBox1.SelectionFont, style); // sets the font style
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}
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private void fontSizeComboBox_SelectedIndexChanged(object sender, EventArgs e)
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{
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if (richTextBox1.SelectionFont == null)
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{
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return;
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}
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// sets the font size when changed
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richTextBox1.SelectionFont = new Font(richTextBox1.SelectionFont.FontFamily,Convert.ToInt32(fontSizeComboBox.Text),richTextBox1.SelectionFont.Style);
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}
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private void fontStripComboBox_SelectedIndexChanged(object sender, EventArgs e)
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{
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if (richTextBox1.SelectionFont == null)
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{
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// sets the Font Family style
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richTextBox1.SelectionFont = new Font(fontStripComboBox.Text, richTextBox1.Font.Size);
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}
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// sets the selected font famly style
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richTextBox1.SelectionFont = new Font(fontStripComboBox.Text, richTextBox1.SelectionFont.Size);
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}
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private void saveStripButton_Click(object sender, EventArgs e)
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{
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try
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{
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saveFileDialog1.ShowDialog(); // show the dialog
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string file;
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if (saveFileDialog1.ShowDialog() == DialogResult.OK)
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{
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string filename = saveFileDialog1.FileName;
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// save the contents of the rich text box
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richTextBox1.SaveFile(filename, RichTextBoxStreamType.PlainText);
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file = Path.GetFileName(filename); // get name of file
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MessageBox.Show("File " + file + " was saved successfully.", "Save Successful", MessageBoxButtons.OK, MessageBoxIcon.Information);
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}
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}
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catch(Exception ex)
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{
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MessageBox.Show(ex.Message, "Error Information", MessageBoxButtons.OK, MessageBoxIcon.Warning);
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}
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}
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private void openFileStripButton_Click(object sender, EventArgs e)
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{
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openFileDialog1.ShowDialog(); // show the dialog
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if (openFileDialog1.ShowDialog() == DialogResult.OK)
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{
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filenamee = openFileDialog1.FileName;
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// load the file into the richTextBox
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richTextBox1.LoadFile(filenamee, RichTextBoxStreamType.PlainText); // loads it in regular text format
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// richTextBox1.LoadFile(filename, RichTextBoxStreamType.RichText); // loads it in RTB format
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}
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}
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private void colorStripDropDownButton_DropDownItemClicked(object sender, ToolStripItemClickedEventArgs e)
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{
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// creates a KnownColor object
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KnownColor selectedColor;
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selectedColor = (KnownColor)System.Enum.Parse(typeof(KnownColor), e.ClickedItem.Text); // converts it to a Color Structure
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richTextBox1.SelectionColor = Color.FromKnownColor(selectedColor); // sets the selected color
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}
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private void richTextBox1_SelectionChanged(object sender, EventArgs e)
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{
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// highlight button border when buttons are true
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if (richTextBox1.SelectionFont != null)
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{
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boldStripButton3.Checked = richTextBox1.SelectionFont.Bold;
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italicStripButton.Checked = richTextBox1.SelectionFont.Italic;
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underlineStripButton.Checked = richTextBox1.SelectionFont.Underline;
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}
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}
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private void leftAlignStripButton_Click(object sender, EventArgs e)
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{
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// set properties
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centerAlignStripButton.Checked = false;
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rightAlignStripButton.Checked = false;
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if(leftAlignStripButton.Checked == false)
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{
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leftAlignStripButton.Checked = true; // LEFT ALIGN is active
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}
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else if(leftAlignStripButton.Checked == true)
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{
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leftAlignStripButton.Checked = false; // LEFT ALIGN is not active
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}
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richTextBox1.SelectionAlignment = HorizontalAlignment.Left; // selects left alignment
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}
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private void centerAlignStripButton_Click(object sender, EventArgs e)
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{
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// set properties
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leftAlignStripButton.Checked = false;
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rightAlignStripButton.Checked = false;
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if (centerAlignStripButton.Checked == false)
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{
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centerAlignStripButton.Checked = true; // CENTER ALIGN is active
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}
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else if (centerAlignStripButton.Checked == true)
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{
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centerAlignStripButton.Checked = false; // CENTER ALIGN is not active
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}
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richTextBox1.SelectionAlignment = HorizontalAlignment.Center; // selects center alignment
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}
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private void rightAlignStripButton_Click(object sender, EventArgs e)
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{
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// set properties
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leftAlignStripButton.Checked = false;
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centerAlignStripButton.Checked = false;
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if (rightAlignStripButton.Checked == false)
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{
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rightAlignStripButton.Checked = true; // RIGHT ALIGN is active
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}
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else if (rightAlignStripButton.Checked == true)
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{
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rightAlignStripButton.Checked = false; // RIGHT ALIGN is not active
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}
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richTextBox1.SelectionAlignment = HorizontalAlignment.Right; // selects right alignment
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}
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private void bulletListStripButton_Click(object sender, EventArgs e)
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{
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if (bulletListStripButton.Checked == false)
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{
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bulletListStripButton.Checked = true;
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richTextBox1.SelectionBullet = true; // BULLET LIST is active
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}
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else if (bulletListStripButton.Checked == true)
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{
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bulletListStripButton.Checked = false;
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richTextBox1.SelectionBullet = false; // BULLET LIST is not active
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}
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}
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private void increaseStripButton_Click(object sender, EventArgs e)
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{
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string fontSizeNum = fontSizeComboBox.Text; // variable to hold selected size
|
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try
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{
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int size = Convert.ToInt32(fontSizeNum) + 1; // convert (fontSizeNum + 1)
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||||
if (richTextBox1.SelectionFont == null)
|
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{
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return;
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}
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// sets the updated font size
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richTextBox1.SelectionFont = new Font(richTextBox1.SelectionFont.FontFamily,size,richTextBox1.SelectionFont.Style);
|
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fontSizeComboBox.Text = size.ToString(); // update font size
|
||||
}
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||||
catch(Exception ex)
|
||||
{
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||||
MessageBox.Show(ex.Message, "Error Information", MessageBoxButtons.OK, MessageBoxIcon.Warning); // show error message
|
||||
}
|
||||
}
|
||||
|
||||
private void decreaseStripButton_Click(object sender, EventArgs e)
|
||||
{
|
||||
string fontSizeNum = fontSizeComboBox.Text; // variable to hold selected size
|
||||
try
|
||||
{
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||||
int size = Convert.ToInt32(fontSizeNum) - 1; // convert (fontSizeNum - 1)
|
||||
if (richTextBox1.SelectionFont == null)
|
||||
{
|
||||
return;
|
||||
}
|
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// sets the updated font size
|
||||
richTextBox1.SelectionFont = new Font(richTextBox1.SelectionFont.FontFamily,size,richTextBox1.SelectionFont.Style);
|
||||
fontSizeComboBox.Text = size.ToString(); // update font size
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
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||||
MessageBox.Show(ex.Message, "Error Information", MessageBoxButtons.OK, MessageBoxIcon.Warning); // show error message
|
||||
}
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||||
}
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||||
//*********************************************************************************************
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||||
// richTextBox1_DragEnter - Custom Event. Copies text being dragged into the richTextBox *
|
||||
//*********************************************************************************************
|
||||
private void richTextBox1_DragEnter(object sender, System.Windows.Forms.DragEventArgs e)
|
||||
{
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||||
if (e.Data.GetDataPresent(DataFormats.Text))
|
||||
e.Effect = DragDropEffects.Copy; // copies data to the RTB
|
||||
else
|
||||
e.Effect = DragDropEffects.None; // doesn't accept data into RTB
|
||||
}
|
||||
//***************************************************************************************************
|
||||
// richTextBox1_DragEnter - Custom Event. Drops the copied text being dragged onto the richTextBox *
|
||||
//***************************************************************************************************
|
||||
private void richTextBox1_DragDrop(object sender,System.Windows.Forms.DragEventArgs e)
|
||||
{
|
||||
// variables
|
||||
int i;
|
||||
String s;
|
||||
|
||||
// Get start position to drop the text.
|
||||
i = richTextBox1.SelectionStart;
|
||||
s = richTextBox1.Text.Substring(i);
|
||||
richTextBox1.Text = richTextBox1.Text.Substring(0, i);
|
||||
|
||||
// Drop the text on to the RichTextBox.
|
||||
richTextBox1.Text += e.Data.GetData(DataFormats.Text).ToString();
|
||||
richTextBox1.Text += s;
|
||||
}
|
||||
|
||||
private void undoStripButton_Click(object sender, EventArgs e)
|
||||
{
|
||||
richTextBox1.Undo(); // undo move
|
||||
}
|
||||
|
||||
private void redoStripButton_Click(object sender, EventArgs e)
|
||||
{
|
||||
richTextBox1.Redo(); // redo move
|
||||
}
|
||||
|
||||
private void exitToolStripMenuItem_Click(object sender, EventArgs e)
|
||||
{
|
||||
this.Close(); // close the form
|
||||
}
|
||||
|
||||
private void undoToolStripMenuItem_Click(object sender, EventArgs e)
|
||||
{
|
||||
richTextBox1.Undo(); // undo move
|
||||
}
|
||||
|
||||
private void redoToolStripMenuItem_Click(object sender, EventArgs e)
|
||||
{
|
||||
richTextBox1.Redo(); // redo move
|
||||
}
|
||||
|
||||
private void cutToolStripMenuItem1_Click(object sender, EventArgs e)
|
||||
{
|
||||
richTextBox1.Cut(); // cut text
|
||||
}
|
||||
|
||||
private void copyToolStripMenuItem1_Click(object sender, EventArgs e)
|
||||
{
|
||||
|
||||
richTextBox1.Copy(); // copy text
|
||||
}
|
||||
|
||||
private void pasteToolStripMenuItem1_Click(object sender, EventArgs e)
|
||||
{
|
||||
richTextBox1.Paste(); // paste text
|
||||
}
|
||||
|
||||
private void selectAllToolStripMenuItem1_Click(object sender, EventArgs e)
|
||||
{
|
||||
richTextBox1.SelectAll(); // select all text
|
||||
}
|
||||
|
||||
private void clearAllToolStripMenuItem_Click(object sender, EventArgs e)
|
||||
{
|
||||
// clear the rich text box
|
||||
richTextBox1.Clear();
|
||||
richTextBox1.Focus();
|
||||
}
|
||||
|
||||
private void deleteToolStripMenuItem_Click(object sender, EventArgs e)
|
||||
{
|
||||
// delete selected text
|
||||
richTextBox1.SelectedText = "";
|
||||
richTextBox1.Focus();
|
||||
}
|
||||
|
||||
private void OpenMenuItem_Click(object sender, EventArgs e)
|
||||
{
|
||||
//openFileDialog1.ShowDialog();
|
||||
if (openFileDialog1.ShowDialog() == DialogResult.OK)
|
||||
{
|
||||
string fileinhalt = System.IO.File.ReadAllText(openFileDialog1.FileName);
|
||||
string decrypted = StringCipher.Decrypt(fileinhalt,textBox1.Text);
|
||||
richTextBox1.Text=decrypted;
|
||||
|
||||
// richTextBox1.LoadFile(openFileDialog1.FileName, RichTextBoxStreamType.PlainText);
|
||||
// richTextBox1.LoadFile(openFileDialog1.FileName, RichTextBoxStreamType.RichText); // loads the file in RTB format
|
||||
}
|
||||
}
|
||||
|
||||
private void newMenuItem_Click(object sender, EventArgs e)
|
||||
{
|
||||
|
||||
if (richTextBox1.Text != string.Empty) // RTB has contents - prompt user to save changes
|
||||
{
|
||||
// save changes message
|
||||
DialogResult result = MessageBox.Show("Would you like to save your changes? Editor is not empty.", "Save Changes?", MessageBoxButtons.YesNo, MessageBoxIcon.Warning);
|
||||
|
||||
if(result == DialogResult.Yes)
|
||||
{
|
||||
// save the RTB contents if user selected yes
|
||||
saveFileDialog1.ShowDialog(); // show the dialog
|
||||
string file;
|
||||
if (saveFileDialog1.ShowDialog() == DialogResult.OK)
|
||||
{
|
||||
string filename = saveFileDialog1.FileName;
|
||||
// save the contents of the rich text box
|
||||
string fileinhalt = System.IO.File.ReadAllText(filename);
|
||||
string decrypted = StringCipher.Decrypt(fileinhalt,this.textBox1.Text);
|
||||
|
||||
//richTextBox1.SaveFile(filename, RichTextBoxStreamType.PlainText);
|
||||
richTextBox1.Text = decrypted;
|
||||
file = Path.GetFileName(filename); // get name of file
|
||||
MessageBox.Show("File " + file + " was saved successfully.", "Save Successful", MessageBoxButtons.OK, MessageBoxIcon.Information);
|
||||
}
|
||||
|
||||
// finally - clear the contents of the RTB
|
||||
richTextBox1.ResetText();
|
||||
richTextBox1.Focus();
|
||||
}
|
||||
else if(result == DialogResult.No)
|
||||
{
|
||||
// clear the contents of the RTB
|
||||
richTextBox1.ResetText();
|
||||
richTextBox1.Focus();
|
||||
}
|
||||
}
|
||||
else // RTB has no contents
|
||||
{
|
||||
// clear the contents of the RTB
|
||||
richTextBox1.ResetText();
|
||||
richTextBox1.Focus();
|
||||
}
|
||||
}
|
||||
|
||||
private void saveToolStripMenuItem_Click(object sender, EventArgs e)
|
||||
{
|
||||
//saveFileDialog1.ShowDialog(); // show the dialog
|
||||
string file;
|
||||
|
||||
if (saveFileDialog1.ShowDialog() == DialogResult.OK)
|
||||
{
|
||||
string filename = saveFileDialog1.FileName;
|
||||
|
||||
string encrypted = StringCipher.Encrypt(richTextBox1.Text, this.textBox1.Text);
|
||||
System.IO.File.WriteAllText(filename, encrypted);
|
||||
// save the contents of the rich text box
|
||||
//richTextBox1.SaveFile(filename, RichTextBoxStreamType.PlainText);
|
||||
}
|
||||
file = Path.GetFileName(filenamee); // get name of file
|
||||
MessageBox.Show("File " + file + " was saved successfully.", "Save Successful", MessageBoxButtons.OK, MessageBoxIcon.Information);
|
||||
}
|
||||
|
||||
private void zoomDropDownButton_DropDownItemClicked(object sender, ToolStripItemClickedEventArgs e)
|
||||
{
|
||||
float zoomPercent = Convert.ToSingle(e.ClickedItem.Text.Trim('%')); // convert
|
||||
richTextBox1.ZoomFactor = zoomPercent / 100; // set zoom factor
|
||||
|
||||
if(e.ClickedItem.Image == null)
|
||||
{
|
||||
// sets all the image properties to null - incase one is already selected beforehand
|
||||
for (int i = 0; i < zoomDropDownButton.DropDownItems.Count; i++)
|
||||
{
|
||||
zoomDropDownButton.DropDownItems[i].Image = null;
|
||||
}
|
||||
|
||||
// draw bmp in image property of selected item, while its active
|
||||
Bitmap bmp = new Bitmap(5, 5);
|
||||
using (Graphics gfx = Graphics.FromImage(bmp))
|
||||
{
|
||||
gfx.FillEllipse(Brushes.Black, 1, 1, 3, 3);
|
||||
}
|
||||
e.ClickedItem.Image = bmp; // draw ellipse in image property
|
||||
}
|
||||
else
|
||||
{
|
||||
e.ClickedItem.Image = null;
|
||||
richTextBox1.ZoomFactor = 1.0f; // set back to NO ZOOM
|
||||
}
|
||||
}
|
||||
|
||||
private void uppercaseToolStripMenuItem_Click(object sender, EventArgs e)
|
||||
{
|
||||
richTextBox1.SelectedText = richTextBox1.SelectedText.ToUpper(); // text to CAPS
|
||||
}
|
||||
|
||||
private void lowercaseToolStripMenuItem_Click(object sender, EventArgs e)
|
||||
{
|
||||
richTextBox1.SelectedText = richTextBox1.SelectedText.ToLower(); // text to lowercase
|
||||
}
|
||||
|
||||
private void wordWrapToolStripMenuItem_Click(object sender, EventArgs e)
|
||||
{
|
||||
// draw bmp in image property of selected item, while its active
|
||||
Bitmap bmp = new Bitmap(5, 5);
|
||||
using (Graphics gfx = Graphics.FromImage(bmp))
|
||||
{
|
||||
gfx.FillEllipse(Brushes.Black, 1, 1, 3, 3);
|
||||
}
|
||||
|
||||
if (richTextBox1.WordWrap == false)
|
||||
{
|
||||
richTextBox1.WordWrap = true; // WordWrap is active
|
||||
wordWrapToolStripMenuItem.Image = bmp; // draw ellipse in image property
|
||||
}
|
||||
else if(richTextBox1.WordWrap == true)
|
||||
{
|
||||
richTextBox1.WordWrap = false; // WordWrap is not active
|
||||
wordWrapToolStripMenuItem.Image = null; // clear image property
|
||||
}
|
||||
}
|
||||
|
||||
private void fontToolStripMenuItem_Click(object sender, EventArgs e)
|
||||
{
|
||||
try
|
||||
{
|
||||
fontDialog1.ShowDialog(); // show the Font Dialog
|
||||
System.Drawing.Font oldFont = this.Font; // gets current font
|
||||
|
||||
if (fontDialog1.ShowDialog() == DialogResult.OK)
|
||||
{
|
||||
fontDialog1_Apply(richTextBox1, new System.EventArgs());
|
||||
}
|
||||
// set back to the recent font
|
||||
else if (fontDialog1.ShowDialog() == DialogResult.Cancel)
|
||||
{
|
||||
// set current font back to the old font
|
||||
this.Font = oldFont;
|
||||
|
||||
// sets the old font for the controls inside richTextBox1
|
||||
foreach (Control containedControl in richTextBox1.Controls)
|
||||
{
|
||||
containedControl.Font = oldFont;
|
||||
}
|
||||
}
|
||||
}
|
||||
catch(Exception ex)
|
||||
{
|
||||
MessageBox.Show(ex.Message, "Error Information", MessageBoxButtons.OK, MessageBoxIcon.Warning); // error
|
||||
}
|
||||
}
|
||||
|
||||
private void fontDialog1_HelpRequest(object sender, EventArgs e)
|
||||
{
|
||||
// display HelpRequest message
|
||||
MessageBox.Show("Please choose a font and any other attributes; then hit Apply and OK.", "Font Dialog Help Request", MessageBoxButtons.OK, MessageBoxIcon.Information);
|
||||
}
|
||||
|
||||
private void fontDialog1_Apply(object sender, EventArgs e)
|
||||
{
|
||||
fontDialog1.FontMustExist = true; // error if font doesn't exist
|
||||
|
||||
richTextBox1.Font = fontDialog1.Font; // set selected font (Includes: FontFamily, Size, and, Effect. No need to set them separately)
|
||||
richTextBox1.ForeColor = fontDialog1.Color; // set selected font color
|
||||
|
||||
// sets the font for the controls inside richTextBox1
|
||||
foreach (Control containedControl in richTextBox1.Controls)
|
||||
{
|
||||
containedControl.Font = fontDialog1.Font;
|
||||
}
|
||||
}
|
||||
|
||||
private void deleteStripMenuItem_Click(object sender, EventArgs e)
|
||||
{
|
||||
richTextBox1.SelectedText = ""; // delete selected text
|
||||
}
|
||||
|
||||
private void clearFormattingStripButton_Click(object sender, EventArgs e)
|
||||
{
|
||||
fontStripComboBox.Text = "Font Family";
|
||||
fontSizeComboBox.Text = "Font Size";
|
||||
string pureText = richTextBox1.Text; // get the current Plain Text
|
||||
richTextBox1.Clear(); // clear RTB
|
||||
richTextBox1.ForeColor = Color.Black; // ensure the text color is back to Black
|
||||
richTextBox1.Font = default(Font); // set default font
|
||||
richTextBox1.Text = pureText; // Set it back to its orginial text, added as plain text
|
||||
rightAlignStripButton.Checked = false;
|
||||
centerAlignStripButton.Checked = false;
|
||||
leftAlignStripButton.Checked = true;
|
||||
}
|
||||
|
||||
private void printDocument_PrintPage(object sender, System.Drawing.Printing.PrintPageEventArgs e)
|
||||
{
|
||||
// draws the string onto the print document
|
||||
e.Graphics.DrawString(richTextBox1.Text, richTextBox1.Font, Brushes.Black, 100, 20);
|
||||
e.Graphics.PageUnit = GraphicsUnit.Inch;
|
||||
}
|
||||
|
||||
private void printStripButton_Click(object sender, EventArgs e)
|
||||
{
|
||||
// printDialog associates with PrintDocument
|
||||
printDialog.Document = printDocument;
|
||||
if (printDialog.ShowDialog() == DialogResult.OK)
|
||||
{
|
||||
printDocument.Print(); // Print the document
|
||||
}
|
||||
}
|
||||
|
||||
private void printPreviewStripButton_Click(object sender, EventArgs e)
|
||||
{
|
||||
printPreviewDialog.Document = printDocument;
|
||||
// Show PrintPreview Dialog
|
||||
printPreviewDialog.ShowDialog();
|
||||
}
|
||||
|
||||
private void printStripMenuItem_Click(object sender, EventArgs e)
|
||||
{
|
||||
// printDialog associates with PrintDocument
|
||||
printDialog.Document = printDocument;
|
||||
if (printDialog.ShowDialog() == DialogResult.OK)
|
||||
{
|
||||
printDocument.Print();
|
||||
}
|
||||
}
|
||||
|
||||
private void printPreviewStripMenuItem_Click(object sender, EventArgs e)
|
||||
{
|
||||
printPreviewDialog.Document = printDocument;
|
||||
// Show PrintPreview Dialog
|
||||
printPreviewDialog.ShowDialog();
|
||||
}
|
||||
|
||||
private void colorDialog1_HelpRequest(object sender, EventArgs e)
|
||||
{
|
||||
// display HelpRequest message
|
||||
MessageBox.Show("Please select a color by clicking it. This will change the text color.", "Color Dialog Help Request", MessageBoxButtons.OK, MessageBoxIcon.Information);
|
||||
}
|
||||
|
||||
private void colorOptionsToolStripMenuItem_Click(object sender, EventArgs e)
|
||||
{
|
||||
colorDialog1.ShowDialog();
|
||||
|
||||
if(colorDialog1.ShowDialog() == DialogResult.OK)
|
||||
{
|
||||
// set the selected color to the RTB's forecolor
|
||||
richTextBox1.ForeColor = colorDialog1.Color;
|
||||
}
|
||||
}
|
||||
|
||||
//****************************************************************************************************************************************
|
||||
// richTextBox1_KeyUp - Determines which key was released and gets the line and column numbers of the current cursor position in the RTB *
|
||||
//****************************************************************************************************************************************
|
||||
private void richTextBox1_KeyUp(object sender, KeyEventArgs e)
|
||||
{
|
||||
// determine key released
|
||||
switch (e.KeyCode)
|
||||
{
|
||||
case Keys.Down:
|
||||
pos = richTextBox1.SelectionStart; // get starting point
|
||||
line = richTextBox1.GetLineFromCharIndex(pos); // get line number
|
||||
column = richTextBox1.SelectionStart - richTextBox1.GetFirstCharIndexFromLine(line); // get column number
|
||||
lineColumnStatusLabel.Text = "Line " + (line + 1) + ", Column " + (column + 1);
|
||||
break;
|
||||
case Keys.Right:
|
||||
pos = richTextBox1.SelectionStart; // get starting point
|
||||
line = richTextBox1.GetLineFromCharIndex(pos); // get line number
|
||||
column = richTextBox1.SelectionStart - richTextBox1.GetFirstCharIndexFromLine(line); // get column number
|
||||
lineColumnStatusLabel.Text = "Line " + (line + 1) + ", Column " + (column + 1);
|
||||
break;
|
||||
case Keys.Up:
|
||||
pos = richTextBox1.SelectionStart; // get starting point
|
||||
line = richTextBox1.GetLineFromCharIndex(pos); // get line number
|
||||
column = richTextBox1.SelectionStart - richTextBox1.GetFirstCharIndexFromLine(line); // get column number
|
||||
lineColumnStatusLabel.Text = "Line " + (line + 1) + ", Column " + (column + 1);
|
||||
break;
|
||||
case Keys.Left:
|
||||
pos = richTextBox1.SelectionStart; // get starting point
|
||||
line = richTextBox1.GetLineFromCharIndex(pos); // get line number
|
||||
column = richTextBox1.SelectionStart - richTextBox1.GetFirstCharIndexFromLine(line); // get column number
|
||||
lineColumnStatusLabel.Text = "Line " + (line + 1) + ", Column " + (column + 1);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
//****************************************************************************************************************************
|
||||
// richTextBox1_MouseDown - Gets the line and column numbers of the cursor position in the RTB when the mouse clicks an area *
|
||||
//****************************************************************************************************************************
|
||||
private void richTextBox1_MouseDown(object sender, MouseEventArgs e)
|
||||
{
|
||||
int pos = richTextBox1.SelectionStart; // get starting point
|
||||
int line = richTextBox1.GetLineFromCharIndex(pos); // get line number
|
||||
int column = richTextBox1.SelectionStart - richTextBox1.GetFirstCharIndexFromLine(line); // get column number
|
||||
lineColumnStatusLabel.Text = "Line " + (line + 1) + ", Column " + (column + 1);
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user