public PagePresenter(TabItem item)
{
Item = item;
Frame frame = (Frame)item.Content;
Content = (QueryPage)frame.Content;
}
public void SaveAsQuery(QueryPage page, string fileName)
{
page.FileName = fileName;
page.Save();
}
public bool CloseQuery(QueryPage page)
{
if (page.Modified && ConfirmFileSave)
{
switch (MessageBox.Show(String.Format("Save {0}?", page.FileName),
GetApplicationTitle(), MessageBoxButton.YesNoCancel, MessageBoxImage.Question))
{
case MessageBoxResult.Yes:
if (!SaveQuery(page))
return false;
break;
case MessageBoxResult.Cancel:
return false;
}
}
page.Close();
return true;
}
public bool SaveQuery(QueryPage page)
{
if (page.FilePath != String.Empty)
page.Save();
else
{
IQueryEngineFacade facade = page.QueryFacade;
SaveFileDialog dlg = new SaveFileDialog();
dlg.DefaultExt = facade.DefaultExt;
dlg.Filter = String.Format("{0} files|*{1}|Text documents|*.txt|All files|*.*",
facade.EngineName, facade.DefaultExt);
dlg.FileName = page.ShortFileName;
if (dlg.ShowDialog() != true)
return false;
SaveAsQuery(page, dlg.FileName);
}
return true;
}
public void CloneQuery(TabControl queryTabs, QueryPage page)
{
QueryPage cloned_page = new QueryPage(page.QueryFacade);
cloned_page.FileName = GetNewQueryTitle(queryTabs, page.QueryFacade);
cloned_page.textEditor.Text = page.textEditor.Text;
AddPage(queryTabs, cloned_page);
}
public void OpenQuery(TabControl queryTabs, string fileName)
{
QueryPage page = null;
String ext = Path.GetExtension(fileName);
Frame frame = (Frame)queryTabs.SelectedContent;
if (frame != null)
{
page = (QueryPage)frame.Content;
if (page.HasContent)
page = null;
}
if (page == null ||
String.Compare(page.QueryFacade.DefaultExt, ext, true) != 0)
{
page = new QueryPage(CreateQueryFacade(ext));
AddPage(queryTabs, page);
}
page.Title = Path.GetFileName(fileName);
page.FileName = fileName;
page.Load();
}
public void NewQuery(TabControl queryTabs, IQueryEngineFacade facade)
{
QueryPage page = new QueryPage(facade);
page.FileName = GetNewQueryTitle(queryTabs, facade);
AddPage(queryTabs, page);
}
private void AddPage(TabControl queryTabs, QueryPage page)
{
Binding binding = new Binding();
binding.Source = page;
binding.Path = new PropertyPath("Title");
binding.Mode = BindingMode.OneWay;
TabItem tab = new CloseableTabItem();
tab.SetBinding(TabItem.HeaderProperty, binding);
tab.IsSelected = true;
tab.AddHandler(CloseableTabItem.CloseTabEvent, new RoutedEventHandler(CloseTab));
Frame frame = new Frame();
frame.Content = page;
tab.Content = frame;
queryTabs.Items.Add(tab);
}