private void PerformCopy(TabPageEx page)
{
if (page != null)
{
page.EditBox.Copy();
}
}
private void PerformClose(TabPageEx page)
{
if (page != null)
{
if (page.IsDirty)
{
string message = String.Format("Document \"{0}\" is not yet saved! Do you want to save it now?", page.Name);
DialogResult result = this.UserChoice(message);
if (result == DialogResult.Yes)
{
this.PerformSave(page);
this.tabEditView.TabPages.Remove(page);
}
else if (result == DialogResult.No)
{
this.tabEditView.TabPages.Remove(page);
}
}
else
{
this.tabEditView.TabPages.Remove(page);
}
}
}
private void PerformClear(TabPageEx page)
{
if (page != null)
{
page.EditBox.Clear();
}
this.UpdateControlState();
}
private void OnEditViewSelectedIndexChanged(object sender, EventArgs args)
{
TabPageEx selected = this.tabEditView.SelectedTab as TabPageEx;
if (selected != null)
{
this.UpdateControlState(selected.IsDirty);
}
else
{
this.UpdateControlState(false);
}
}
public TabPageEx AddPage(string name)
{
TabPageEx page = new TabPageEx(name);
this.Controls.Add(page);
page.EditBox.IsDirtyChanged += new EventHandler(this.OnEditBoxIsDirtyChanged);
page.Activate();
this.SelectedTab = page;
return(page);
}
private void OnEditViewDragDrop(object sender, DragEventArgs args)
{
try
{
if (this.tabEditView.TabCount == 0)
{
TabPageEx page = this.PerformNew();
this.PerformPaste("Drop Content", page.EditBox, args.Data);
}
}
catch (Exception exception)
{
Debug.WriteLine(exception);
}
}
private TabPageEx PerformNew()
{
TabPageEx page = this.tabEditView.AddPage();
if (page != null)
{
// Adjust page resp. edit-box settings.
page.EditBox.BackColor = this.EditBoxBackColor;
page.EditBox.SelectionChanged += new EventHandler(this.OnEditBoxSelectionChanged);
page.EditBox.DragDrop += new DragEventHandler(this.OnEditBoxDragDrop);
page.EditBox.AllowDrop = true;
}
this.UpdateControlState();
return(page);
}
private void OnPageHeaderMenuOpening(object sender, CancelEventArgs args)
{
TabPageEx selected = this.tabEditView.SelectedTab as TabPageEx;
if (selected != null)
{
bool dirty = selected.IsDirty;
this.pageHeaderMenuClose.Enabled = this.CanClose(dirty);
this.pageHeaderMenuSave.Enabled = this.CanSave(dirty);
this.pageHeaderMenuCopy.Enabled = this.CanCopy(dirty);
this.pageHeaderMenuClear.Enabled = this.CanClear(dirty);
}
else
{
args.Cancel = true;
}
}
private void PerformSave(TabPageEx page)
{
if (page != null && page.IsDirty && !this.IsDialogVisible)
{
try
{
this.IsDialogVisible = true;
string fullname = page.FullName;
if (String.IsNullOrEmpty(fullname))
{
this.saveFileDialog.FileName = page.Name;
if (DialogResult.OK != this.saveFileDialog.ShowDialog(this))
{
return;
}
else
{
fullname = this.saveFileDialog.FileName;
}
}
using (new CursorWrapper(this, Cursors.WaitCursor))
{
page.Save(fullname);
}
}
catch (Exception exception)
{
Debug.WriteLine(exception);
}
finally
{
this.IsDialogVisible = false;
}
}
this.UpdateControlState();
}
private void PerformLoad()
{
try
{
this.IsDialogVisible = true;
this.openFileDialog.FileName = String.Empty;
this.openFileDialog.InitialDirectory = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
if (DialogResult.OK == this.openFileDialog.ShowDialog(this))
{
TabPageEx page = null;
if (this.tabEditView.ActiveEditBox != null && this.tabEditView.ActiveEditBox.IsEmpty)
{
page = this.tabEditView.SelectedTab as TabPageEx;
}
else
{
page = this.PerformNew();
}
using (new CursorWrapper(this, Cursors.WaitCursor))
{
page.Load(this.openFileDialog.FileName);
}
}
}
catch (Exception exception)
{
Debug.WriteLine(exception);
}
finally
{
this.IsDialogVisible = false;
}
}
