/// <summary>
/// Close the current active child form or if no children close the parent form
/// </summary>
private void ClickClose(object sender, EventArgs e)
{
// Check for any children
if (this.MdiChildren.Length > 0)
{
// Check if the active child is a TextEditor
if (this.ActiveMdiChild.GetType() == typeof(formTextEditor))
{
// Copy the instance of the child
formTextEditor textEditor = (formTextEditor)this.ActiveMdiChild;
// Call the exit event of Text Editor to close the TextEditor
textEditor.ExitClick(sender, e);
}
else
{
// Close the active child
this.ActiveMdiChild.Close();
}
}
else
{
// Close the parent form
Close();
}
}
/// <summary>
/// Prompt user to select a text file to open and open it in a new TextEditor instance
/// </summary>
private void ClickOpenFile(object sender, EventArgs e)
{
// Create a new open dialoge
OpenFileDialog openFile = new OpenFileDialog();
// Set the file filters
openFile.Filter = "Text files (*.txt)|*.txt|All files(*.*)|*.*";
// When OK is pressed
if (openFile.ShowDialog() == DialogResult.OK)
{
// Create a new instance of TextEditor
CreateTextEditor();
// Copy the instance of newly created Texteditor
formTextEditor textEditor = (formTextEditor)this.ActiveMdiChild;
string filePath = openFile.FileName;
textEditor.UpdateTitle(filePath);
// Create the file and read streams
FileStream fileToAccess = new FileStream(filePath, FileMode.Open, FileAccess.Read);
StreamReader reader = new StreamReader(fileToAccess);
// Fill the textbox with the files contents
textEditor.textboxInput.Text = reader.ReadToEnd();
// Close the read stream
reader.Close();
}
}
/// <summary>
/// Create a new TextEditor and display it
/// </summary>
public void CreateTextEditor()
{
// Create a new instance of the text editor form
formTextEditor textEditor = new formTextEditor();
// Assign it's MDI parent to be the form this event was called in
textEditor.MdiParent = this;
// Dispaly the form and set it as focus
textEditor.Show();
textEditor.Focus();
}
private void ClickSaveAs(object sender, EventArgs e)
{
// Check to see if the active child is a TextEditor form.
if (this.MdiChildren.Length > 0 && this.ActiveMdiChild.GetType() == typeof(formTextEditor))
{
// Create an instance of the child
formTextEditor textEditor = (formTextEditor)this.ActiveMdiChild;
// Call the Paste event of Text Editor forms
textEditor.SaveAsClick(sender, e);
}
}
/// <summary>
/// Run the cut event of TextEditor form when one is the active child form
/// </summary>
private void ClickCut(object sender, EventArgs e)
{
// Check to see if the active child is a TextEditor form.
if (this.ActiveMdiChild.GetType() == typeof(formTextEditor))
{
// Create an instance of the child
formTextEditor textEditor = (formTextEditor)this.ActiveMdiChild;
// Call the Cut event of Text Editor forms
textEditor.CutClick(sender, e);
}
}