private TabItem GetItem(BaseScreen baseScreen)
{
foreach (TabItem tabItem in this.tabControl.Items)
{
if (tabItem.Content == null)
{
continue;
}
BaseScreen screen = tabItem.Content as BaseScreen;
if (screen != null && screen.BaseScreenId.Equals(baseScreen.BaseScreenId))
{
return tabItem;
}
}
return null;
}
private TabItem CreateTabItem(BaseScreen baseScreen, bool closeable)
{
TabItem tabItem = closeable ? new CloseableTabItem() : new TabItem();
tabItem.Header = baseScreen.BaseScreenTitle;
tabItem.Content = baseScreen;
baseScreen.Width = Double.NaN;
baseScreen.Height = Double.NaN;
return tabItem;
}
public void Show(ScreenType type, int insertIndex)
{
TabItem tabItem = null;
if ((this.loadedScreens & type) == type)
{
int index = this.GetScreenIndex(type);
if (index != -1)
{
this.tabControl.SelectedIndex = index;
}
return;
}
switch (type)
{
case ScreenType.About:
tabItem = this.CreateTabItem(this.ScreenAbout, true);
break;
case ScreenType.Authentication:
tabItem = this.CreateTabItem(this.ScreenAuthentication, false);
break;
case ScreenType.Options:
tabItem = this.CreateTabItem(this.ScreenOptions, true);
break;
case ScreenType.History:
tabItem = this.CreateTabItem(this.ScreenHistory, false);
break;
case ScreenType.Contacts:
tabItem = this.CreateTabItem(this.ScreenContacts, false);
break;
case ScreenType.Registrations:
tabItem = this.CreateTabItem(this.ScreenRegistrations, true);
break;
case ScreenType.Authorizations:
tabItem = this.CreateTabItem(this.ScreenWatchers, true);
break;
}
if (tabItem != null)
{
// Events
(tabItem.Content as BaseScreen).BeforeLoading();
if (lastScreen != null) lastScreen.BeforeUnLoading();
if (insertIndex >= 0 && insertIndex < this.tabControl.Items.Count)
{
this.tabControl.Items.Insert(insertIndex, tabItem);
}
else
{
this.tabControl.Items.Add(tabItem);
}
this.tabControl.SelectedItem = tabItem;
this.loadedScreens |= type;
// Events
if (lastScreen != null) lastScreen.AfterUnLoading();
(tabItem.Content as BaseScreen).AfterLoading();
lastScreen = (tabItem.Content as BaseScreen);
}
}
public void Show(BaseScreen baseScreen)
{
this.Show(baseScreen, -1);
}
public void Show(BaseScreen baseScreen, int insertIndex)
{
int index = -1;
foreach (TabItem item in this.tabControl.Items)
{
index ++;
if (item.Content == null)
{
continue;
}
BaseScreen _baseScreen = item.Content as BaseScreen;
if (_baseScreen == baseScreen)
{
this.tabControl.SelectedIndex = index;
return;
}
}
TabItem tabItem = this.CreateTabItem(baseScreen, true);
// Events
baseScreen.BeforeLoading();
if (lastScreen != null) lastScreen.BeforeUnLoading();
if (insertIndex >= 0 && insertIndex < this.tabControl.Items.Count)
{
this.tabControl.Items.Insert(insertIndex, tabItem);
}
else
{
this.tabControl.Items.Add(tabItem);
}
this.tabControl.SelectedItem = tabItem;
// Events
if (lastScreen != null) lastScreen.AfterUnLoading();
baseScreen.AfterLoading();
lastScreen = baseScreen;
}
public void Hide(BaseScreen baseScreen)
{
TabItem tabItem = this.GetItem(baseScreen);
if (tabItem != null)
{
// Events
baseScreen.BeforeUnLoading();
this.tabControl.Items.Remove(tabItem);
tabItem.Content = null;
this.loadedScreens &= ~((ScreenType)baseScreen.BaseScreenType);
// Events
baseScreen.AfterUnLoading();
}
}
