/// <summary>
/// close selected tab
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void closeToolStripMenuItem_Click(object sender, EventArgs e)
{
if (tabControl.TabPages.Count > 1) //we don't remove tab page when tabControl has only one tab page
{
//we can use this one line of code below to easily remove selected tab page but it causes flinking
// tabControl.TabPages.Remove(tabControl.SelectedTab);
//Show SaveDialog
string result = DiaLogClass.ShowSafeCloseTabDialog(tabControl.SelectedTab);
if (result == "Cancel")
{
return;
}
//Delete the selected tab page status
TabControlClass.RemoveTabPageStatus(tabControl.SelectedTab);
//that's the reason why use the number lines of code below
//somehow if we set the tab page we are about to remove to another one (in this case we are about to remove selected tab page),
//it doesn't cause the flinking
TabPage tabToRemove = tabControl.SelectedTab;
if (tabControl.SelectedIndex != 0)
{
//set the selectedtab to the first tab page
tabControl.SelectedIndex = tabControl.SelectedIndex - 1;
}
else //if the tab we are about to remove is the first tab, just simply set selectedtab to 1
{
tabControl.SelectedTab = tabControl.TabPages[1];
}
//remove tab
tabControl.TabPages.Remove(tabToRemove);
}
}
/// <summary>
/// Create a new tab by "New" Button
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void newToolStripMenuItem_Click(object sender, EventArgs e)
{
//Index of the tab page having the name of "New Tab"
//this is just a variable to check the name of tab page
int tabIndex = 1;
//a variable to hold new tab name
string newTabName = "New Tab " + tabIndex.ToString();
//loop until we find the "New Tab" tab page has been lacked
for (int i = 0; i < tabControl.TabPages.Count; i++)
{
//get the tabName without "*" (this is considered the real name)
string tabName = tabControl.TabPages[i].Text;
tabName = tabName.Replace("*", "");
if (tabName == newTabName)
{
tabIndex++;
newTabName = "New Tab " + tabIndex.ToString();
//set this to start over the for loop
i = -1;
}
}
//create new tab page
TabControlClass.CreateNewTabPage(newTabName);
}
/// <summary>
/// Open Dialog
/// </summary>
/// <param name="tabControl"></param>
public static void ShowOpenDialog(TabControl tabControl)
{
//create a new file dialog
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Filter = "txt Files (*txt)|*txt|All Files (*.*)|*.*";
//Pop up the file dialog and check if user press open button
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
//check to see if there is already this tab page
TabPage targetTabPage = null;
foreach (TabPage tabPage in tabControl.TabPages)
{
if (tabPage.Name == openFileDialog.FileName)
{
targetTabPage = tabPage;
break;
}
}
//if this tab page has already opened, just focus this tab and return
if (targetTabPage != null)
{
tabControl.SelectedTab = targetTabPage;
return;
}
//Create a new tab page
TabPage newTabPage = TabControlClass.CreateNewTabPage(openFileDialog.SafeFileName);
//a variable to hold text box contained in tab page
TextArea newTextArea = TabControlClass.CurrentTextArea;
//Get the path of the File
string filePath = openFileDialog.FileName;
//Get the text of the file
string fileText = File.ReadAllText(filePath);
//Set the text of current text box by file Text
//we don't want Undo to record our text here
newTextArea.StopRecordingUndo();
newTextArea.Text = fileText;
newTextArea.ContinueRecordingUndo();
//when we set the text by the code above, we changed the text in the text area
//and accidentally lead to the MarkTabPage event
//that's the reason why we have to do this to unmark the tabPage initially
newTabPage.Text = newTabPage.Text.Replace("*", "");
//this is a trick to save the path(FileName) of the saved tab page
//and the next time if this tab page has already had a name, we shouldn't open the savefiledialog again
//and just implicitly save
tabControl.SelectedTab.Name = openFileDialog.FileName;
}
//dispose for sure
openFileDialog.Dispose();
}
private void MainForm_Load(object sender, EventArgs e)
{
//get controls
StatusBar = statusStrip;
TaskBar = toolStrip;
NewButton = newToolStripButton;
SaveButton = saveToolStripButton;
OpenButton = openToolStripButton;
FindButton = findToolStripButton;
FontButton = fontToolStripButton;
BoldButton = boldToolStripButton;
ItalicButton = italicToolStripButton;
UnderLineButton = underlineToolStripButton;
CopyButton = copyToolStripButton;
CutButton = cutToolStripButton;
PasteButton = pasteToolStripButton;
FindAndReplaceButton = findAndReplaceToolStripButton;
MapButton = documentMapToolStripButton;
ToUpperButton = upperToolStripButton;
VersionsButton = versionsToolStripButton;
//set up Task bar
StylesClass.GetAllStylesIntoProperties();
toolStrip.Visible = !StylesClass.HideTaskBar;
statusStrip.Visible = StylesClass.ShowStatusBar;
newToolStripButton.Visible = StylesClass.ShowNewIcon;
openToolStripButton.Visible = StylesClass.ShowOpenIcon;
saveToolStripButton.Visible = StylesClass.ShowSaveIcon;
documentMapToolStripButton.Visible = StylesClass.ShowDocumentMapIcon;
findToolStripButton.Visible = StylesClass.ShowFindIcon;
findAndReplaceToolStripButton.Visible = StylesClass.ShowFindAndReplaceIcon;
upperToolStripButton.Visible = StylesClass.ShowToUpperIcon;
versionsToolStripButton.Visible = StylesClass.ShowVersionsIcon;
copyToolStripButton.Visible = StylesClass.ShowCopyIcon;
cutToolStripButton.Visible = StylesClass.ShowCutIcon;
pasteToolStripButton.Visible = StylesClass.ShowPasteIcon;
fontToolStripButton.Visible = StylesClass.ShowFontIcon;
boldToolStripButton.Visible = StylesClass.ShowBoldIcon;
italicToolStripButton.Visible = StylesClass.ShowItalicIcon;
underlineToolStripButton.Visible = StylesClass.ShowUnderLineIcon;
//Setup Tab Control
TabControlClass.SetupTabControl(tabControl);
//just create a new tab page
TabControlClass.CreateNewTabPage("New Tab 1");
textLengthStatusLabel.Text = "TextLength: 0";
lineNumberStatusLabel.Text = "LineNumber: 0";
SetupLanguageToolStripMenuItem(StylesClass.DefaultLanguage);
}
/// <summary>
/// version
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void versionToolStripMenuItem_Click(object sender, EventArgs e)
{
TabPage tabPage = TabControlClass.CreateNewTabPage("ReadMe.txt");
TextArea textArea = TabControlClass.CurrentTextArea;
if (File.Exists("../../ReadMe.txt"))
{
textArea.Text = File.ReadAllText("../../ReadMe.txt");
}
tabPage.Text = tabPage.Text.Replace("*", "");
textArea.ReadOnly = true;
}
/// <summary>
/// close all tap except selected tab
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void closeAllToolStripMenuItem_Click(object sender, EventArgs e)
{
//remove all the tab except the selected Tab
foreach (TabPage tabPage in tabControl.TabPages)
{
if (tabPage != tabControl.SelectedTab)
{
string result = DiaLogClass.ShowSafeCloseTabDialog(tabPage);
if (result == "Cancel")
{
return;
}
//Delete tab status
TabControlClass.RemoveTabPageStatus(tabPage);
//Remove tab Page
tabControl.TabPages.Remove(tabPage);
}
}
}
/// <summary>
/// Allow drag and drop file into text area
/// </summary>
/// <param name="textBox"></param>
private static void InitDragDropFile(MyRichTextBox textBox, TabControl tabControl)
{
TextArea textArea = textBox.TextArea;
//allow drop file
textArea.AllowDrop = true;
//On Drag Enter event
textArea.DragEnter += delegate(object sender, DragEventArgs e)
{
//if the dropped file can be converted to specified format
//simply means if the dropped file can be read
if (e.Data.GetDataPresent(DataFormats.FileDrop))
{
//make an effect to look like we are dragging something
//this is not really important but we should do it
e.Effect = DragDropEffects.Copy;
}
else
{
e.Effect = DragDropEffects.None;
}
};
//On Drop File
textArea.DragDrop += delegate(object sender, DragEventArgs e)
{
//if the dropped file can be read
if (e.Data.GetDataPresent(DataFormats.FileDrop))
{
//get data in this file
//note that because the various type of things can be dropped in the text area
//that's why it makes sense that the GetData function return an object
//we need to convert this into a String Array (or simply an Array) to get the data stored in the object
//it's important to know somehow the data store in the object just the path of the file we are about to read
String[] strArray = (String[])e.Data.GetData(DataFormats.FileDrop);
//get the path from String Array
//note that although the String Array has just only one element (the path of the file),
//we can't convert directly the object above into just one string
string path = strArray[0];
//just check to make sure the path existing
if (File.Exists(path))
{
//the number lines of code below is just a copy of open function in MainForm
//check to see if there is already this tab page being opened
TabPage targetTabPage = null;
foreach (TabPage tabPage in tabControl.TabPages)
{
if (tabPage.Name == path)
{
targetTabPage = tabPage;
break;
}
}
//if this tab page has already opened, just focus this tab and return
if (targetTabPage != null)
{
tabControl.SelectedTab = targetTabPage;
return;
}
//it's better to create a new tab page to write the stuffs than using the selected tab page,
//so I'll create new one
//this all the code below just a copy of OpenDialog function
//Create a new tab page
TabPage newTabPage = TabControlClass.CreateNewTabPage(Path.GetFileName(path));
//a variable to hold text box contained in tab page
TextArea newTextArea = (newTabPage.Controls[0] as MyRichTextBox).TextArea;
//Get the text of the file
string fileText = File.ReadAllText(path);
//Set the text of current text box by file Text
newTextArea.StopRecordingUndo();
newTextArea.Text = fileText;
newTextArea.ContinueRecordingUndo();
//when we set the text by the code above, we changed the text in the text area
//and accidentally lead to the MarkTabPage event
//that's the reason why we have to do this to unmark the tabPage initially
newTabPage.Text = newTabPage.Text.Replace("*", "");
//this is a trick to save the path(FileName) of the saved tab page
//and the next time if this tab page has already had a name, we shouldn't open the savefiledialog again
//and just implicitly save
tabControl.SelectedTab.Name = path;
}
}
};
}