/// <summary>
/// Retrieve the IPanelCollection associated with the menu ID if it is already created; otherwise, create it and then return it.
/// </summary>
/// <param name="menuItemId">ID of the selected menu item.</param>
/// <returns>IPanelCollection for the selected menu item.</returns>
private IPanelCollection GetPanelCollectionForMenuItemId(String menuItemId)
{
IPanelCollection returnValue = null;
Type panelCollectionType = null;
// Translate the MenuItem ID into an IPanelCollection Type
if (menuItemId.Equals(Variables.MENU_ITEM_ID_HOME))
{
panelCollectionType = typeof(HomePanelCollection);
}
else if (menuItemId.Equals(Variables.MENU_ITEM_ID_TROUBLE_CODES))
{
panelCollectionType = typeof(TroubleCodePanelCollection);
}
else if (menuItemId.Equals(Variables.MENU_ITEM_ID_CONFIGURATION))
{
panelCollectionType = typeof(ConfigurationPanelCollection);
}
// If this type does not already exist in the panel collections Dictionary,
// create a new instance and add it. If it does, return that instance.
if (!(_panelCollections.ContainsKey(menuItemId)))
{
returnValue = (IPanelCollection)Activator.CreateInstance(panelCollectionType);
_panelCollections.Add(menuItemId, returnValue);
}
else
{
_panelCollections.TryGetValue(menuItemId, out returnValue);
}
return(returnValue);
}
/// <summary>
/// Re-render the panels displayed from the selected panel collection.
/// </summary>
private void UpdatePanelsFromCollection(IPanelCollection panelCollection)
{
GridSplitter gridSplitter;
System.Windows.Controls.MenuItem menuItem;
// Prepare the Panels for Removal
if (_selectedPanelCollection != null)
{
foreach (IRegisteredPanel nextPanel in _selectedPanelCollection.Panels)
{
// Notify them to Pause Monitoring
nextPanel.PauseMonitoring();
// Unregister this MainWindow's event handlers from the Panel's events
nextPanel.UnRegisterEventHandler(Variables.REGISTERED_EVENT_TYPE_HIDE_PANEL, RemovePanelFromDisplay);
nextPanel.UnRegisterEventHandler(Variables.REGISTERED_EVENT_TYPE_SHOW_PANEL, AddPanelToDisplay);
}
}
// Change Collections
_selectedPanelCollection = panelCollection;
// Clear out the Content Area
ContentAreaGrid.Children.Clear();
ContentAreaGrid.RowDefinitions.Clear();
// Remove all menu items
menAvailablePanels.Items.Clear();
// Build the Row Definitions for the Home Panels and Add the panels
foreach (IRegisteredPanel nextPanel in _selectedPanelCollection.Panels)
{
// Add the panel to available panels menu
menuItem = new System.Windows.Controls.MenuItem();
menuItem.Header = new Label() { Content = nextPanel.Title, Padding = new Thickness(0.0d) };
menuItem.IsCheckable = true;
menuItem.IsChecked = nextPanel.IsShown;
// Register the panel's event handlers to the MenuItem's events
menuItem.Checked += nextPanel.ShowPanel;
menuItem.Unchecked += nextPanel.HidePanel;
// Register this MainWindow's event handlers to the Panel's events
nextPanel.RegisterEventHandler(Variables.REGISTERED_EVENT_TYPE_HIDE_PANEL, RemovePanelFromDisplay);
nextPanel.RegisterEventHandler(Variables.REGISTERED_EVENT_TYPE_SHOW_PANEL, AddPanelToDisplay);
menAvailablePanels.Items.Add(menuItem);
// Add the Panel to be displayed
if (nextPanel.IsShown)
{
// Add the next panel
((UserControl)nextPanel).SetValue(Grid.RowProperty, ContentAreaGrid.RowDefinitions.Count);
((UserControl)nextPanel).SetValue(Grid.ColumnProperty, 0);
ContentAreaGrid.RowDefinitions.Add(new RowDefinition() { Height = GridLength.Auto });
ContentAreaGrid.Children.Add((UserControl)nextPanel);
// Unpause the next panel
if (nextPanel.IsPaused)
{
nextPanel.UnPauseMonitoring();
}
else
{
nextPanel.StartMonitoring(ELM327Connection.Connection);
}
// Add a GridSplitter
gridSplitter = new GridSplitter() { Height = 4.0d, HorizontalAlignment = HorizontalAlignment.Stretch, VerticalAlignment = VerticalAlignment.Center, Margin = new Thickness(0, 3, 0, 3), Background = new SolidColorBrush(Colors.Transparent) };
gridSplitter.SetValue(Grid.RowProperty, ContentAreaGrid.RowDefinitions.Count);
gridSplitter.SetValue(Grid.ColumnProperty, 0);
ContentAreaGrid.RowDefinitions.Add(new RowDefinition() { Height = GridLength.Auto });
ContentAreaGrid.Children.Add(gridSplitter);
}
}
}
/// <summary>
/// Re-render the panels displayed from the selected panel collection.
/// </summary>
private void UpdatePanelsFromCollection(IPanelCollection panelCollection)
{
GridSplitter gridSplitter;
System.Windows.Controls.MenuItem menuItem;
// Prepare the Panels for Removal
if (_selectedPanelCollection != null)
{
foreach (IRegisteredPanel nextPanel in _selectedPanelCollection.Panels)
{
// Notify them to Pause Monitoring
nextPanel.PauseMonitoring();
// Unregister this MainWindow's event handlers from the Panel's events
nextPanel.UnRegisterEventHandler(Variables.REGISTERED_EVENT_TYPE_HIDE_PANEL, RemovePanelFromDisplay);
nextPanel.UnRegisterEventHandler(Variables.REGISTERED_EVENT_TYPE_SHOW_PANEL, AddPanelToDisplay);
}
}
// Change Collections
_selectedPanelCollection = panelCollection;
// Clear out the Content Area
ContentAreaGrid.Children.Clear();
ContentAreaGrid.RowDefinitions.Clear();
// Remove all menu items
menAvailablePanels.Items.Clear();
// Build the Row Definitions for the Home Panels and Add the panels
foreach (IRegisteredPanel nextPanel in _selectedPanelCollection.Panels)
{
// Add the panel to available panels menu
menuItem = new System.Windows.Controls.MenuItem();
menuItem.Header = new Label()
{
Content = nextPanel.Title, Padding = new Thickness(0.0d)
};
menuItem.IsCheckable = true;
menuItem.IsChecked = nextPanel.IsShown;
// Register the panel's event handlers to the MenuItem's events
menuItem.Checked += nextPanel.ShowPanel;
menuItem.Unchecked += nextPanel.HidePanel;
// Register this MainWindow's event handlers to the Panel's events
nextPanel.RegisterEventHandler(Variables.REGISTERED_EVENT_TYPE_HIDE_PANEL, RemovePanelFromDisplay);
nextPanel.RegisterEventHandler(Variables.REGISTERED_EVENT_TYPE_SHOW_PANEL, AddPanelToDisplay);
menAvailablePanels.Items.Add(menuItem);
// Add the Panel to be displayed
if (nextPanel.IsShown)
{
// Add the next panel
((UserControl)nextPanel).SetValue(Grid.RowProperty, ContentAreaGrid.RowDefinitions.Count);
((UserControl)nextPanel).SetValue(Grid.ColumnProperty, 0);
ContentAreaGrid.RowDefinitions.Add(new RowDefinition()
{
Height = GridLength.Auto
});
ContentAreaGrid.Children.Add((UserControl)nextPanel);
// Unpause the next panel
if (nextPanel.IsPaused)
{
nextPanel.UnPauseMonitoring();
}
else
{
nextPanel.StartMonitoring(ELM327Connection.Connection);
}
// Add a GridSplitter
gridSplitter = new GridSplitter()
{
Height = 4.0d, HorizontalAlignment = HorizontalAlignment.Stretch, VerticalAlignment = VerticalAlignment.Center, Margin = new Thickness(0, 3, 0, 3), Background = new SolidColorBrush(Colors.Transparent)
};
gridSplitter.SetValue(Grid.RowProperty, ContentAreaGrid.RowDefinitions.Count);
gridSplitter.SetValue(Grid.ColumnProperty, 0);
ContentAreaGrid.RowDefinitions.Add(new RowDefinition()
{
Height = GridLength.Auto
});
ContentAreaGrid.Children.Add(gridSplitter);
}
}
}
