public static void OnTemplateFilePreviewDrag(DragEventArgs dragEvent)
{
// Check the arguments for null
ThrowIf.IsNullArgument(dragEvent, nameof(dragEvent));
if (DragDropFile.IsTemplateFileDragging(dragEvent, out _))
{
dragEvent.Effects = DragDropEffects.All;
}
else
{
dragEvent.Effects = DragDropEffects.None;
}
dragEvent.Handled = true;
}
/// <summary>
/// Given two dictionaries, return a dictionary that contains only those key / value pairs in dictionary1 that are not in dictionary2
/// </summary>
/// <param name="dictionary1"></param>
/// <param name="dictionary2"></param>
/// <returns></returns>
public static Dictionary <string, string> Dictionary1ExceptDictionary2(Dictionary <string, string> dictionary1, Dictionary <string, string> dictionary2)
{
// Check the arguments for null
ThrowIf.IsNullArgument(dictionary1, nameof(dictionary1));
ThrowIf.IsNullArgument(dictionary2, nameof(dictionary2));
Dictionary <string, string> dictionaryDifferences = new Dictionary <string, string>();
List <string> differencesByKeys = dictionary1.Keys.Except(dictionary2.Keys).ToList();
foreach (string key in differencesByKeys)
{
dictionaryDifferences.Add(key, dictionary1[key]);
}
return(dictionaryDifferences);
}
/// <summary>
/// Get a RecencyOrderedList from the registry
/// </summary>
public static RecencyOrderedList <string> GetRecencyOrderedList(this RegistryKey registryKey, string subKeyPath)
{
// Check the arguments for null
ThrowIf.IsNullArgument(registryKey, nameof(registryKey));
RegistryKey subKey = registryKey.OpenSubKey(subKeyPath);
RecencyOrderedList <string> values = new RecencyOrderedList <string>(Constant.Defaults.NumberOfMostRecentDatabasesToTrack);
if (subKey != null)
{
for (int index = subKey.ValueCount - 1; index >= 0; --index)
{
string listItem = (string)subKey.GetValue(index.ToString());
if (listItem != null)
{
values.SetMostRecent(listItem);
}
}
}
return(values);
}
// Try to load a layout from the given resourceFilePath
private static bool AvalonLayout_TryLoadFromResource(this TimelapseWindow timelapse, string resourceFilePath)
{
// Check the arguments for null
ThrowIf.IsNullArgument(timelapse, nameof(timelapse));
XmlLayoutSerializer serializer = new XmlLayoutSerializer(timelapse.DockingManager);
Uri uri = new Uri(resourceFilePath);
try
{
using (Stream stream = System.Windows.Application.GetResourceStream(uri).Stream)
{
serializer.Deserialize(stream);
}
}
catch
{
// Should only happen if there is something wrong with the uri address, e.g., if the resource doesn't exist
return(false);
}
return(true);
}
/// <summary>
/// If any dependency files are missing, return false else true
/// </summary>
public static bool AreRequiredBinariesPresent(string applicationName, Assembly executingAssembly)
{
// Check the arguments for null
ThrowIf.IsNullArgument(executingAssembly, nameof(executingAssembly));
string directoryContainingCurrentExecutable = Path.GetDirectoryName(executingAssembly.Location);
foreach (string binaryName in Dependencies.CommonRequiredBinaries)
{
if (File.Exists(Path.Combine(directoryContainingCurrentExecutable, binaryName)) == false)
{
return(false);
}
}
if (applicationName == Constant.VersionUpdates.ApplicationName)
{
foreach (string binaryName in Dependencies.TimelapseRequiredBinaries)
{
if (File.Exists(Path.Combine(directoryContainingCurrentExecutable, binaryName)) == false)
{
return(false);
}
}
}
else
{
foreach (string binaryName in Dependencies.EditorRequiredBinaries)
{
if (File.Exists(Path.Combine(directoryContainingCurrentExecutable, binaryName)) == false)
{
return(false);
}
}
}
return(true);
}
/// <summary>
/// Sort the given data grid by the given column number in ascending order
/// </summary>
public static void SortByColumnAscending(this DataGrid dataGrid, int columnNumber)
{
// Check the arguments for null
ThrowIf.IsNullArgument(dataGrid, nameof(dataGrid));
// Clear current sort descriptions
dataGrid.Items.SortDescriptions.Clear();
// Add the new sort description
DataGridColumn firstColumn = dataGrid.Columns[columnNumber];
ListSortDirection sortDirection = ListSortDirection.Ascending;
dataGrid.Items.SortDescriptions.Add(new SortDescription(firstColumn.SortMemberPath, sortDirection));
// Apply sort
foreach (DataGridColumn column in dataGrid.Columns)
{
column.SortDirection = null;
}
firstColumn.SortDirection = sortDirection;
// Refresh items to display sort
dataGrid.Items.Refresh();
}
/// <summary>
/// Write a TimeSpan value as Seconds to registry
/// </summary>
public static void Write(this RegistryKey registryKey, string subKeyPath, TimeSpan value)
{
// Check the arguments for null
ThrowIf.IsNullArgument(registryKey, nameof(registryKey));
registryKey.SetValue(subKeyPath, value.TotalSeconds.ToString(), RegistryValueKind.String);
}
/// <summary>
/// Write a string value to registry
/// </summary>
public static void Write(this RegistryKey registryKey, string subKeyPath, string value)
{
// Check the arguments for null
ThrowIf.IsNullArgument(registryKey, nameof(registryKey));
registryKey.SetValue(subKeyPath, value, RegistryValueKind.String);
}
/// <summary>
/// Try to load the layout identified by the layoutKey, which, depending on the key, is stored in the resource file or the registry
/// This includes various adjustments, as detailed in the comments below.
/// </summary>
/// <param name="timelapse"></param>
/// <param name="layoutKey"></param>
/// <returns></returns>
public static bool AvalonLayout_TryLoad(this TimelapseWindow timelapse, string layoutKey)
{
// Check the arguments for null
ThrowIf.IsNullArgument(timelapse, nameof(timelapse));
bool isResourceFile = false;
string layoutName = String.Empty;
// Layouts are loaded from either the registry or from a resource file
// If from the registry, then the registry lookup key is the the layoutKey
// If from the resource file, then we have to use the path of the resource file
switch (layoutKey)
{
case Constant.AvalonLayoutTags.DataEntryOnTop:
layoutName = Constant.AvalonLayoutResourcePaths.DataEntryOnTop;
isResourceFile = true;
break;
case Constant.AvalonLayoutTags.DataEntryOnSide:
layoutName = Constant.AvalonLayoutResourcePaths.DataEntryOnSide;
isResourceFile = true;
break;
case Constant.AvalonLayoutTags.DataEntryFloating:
layoutName = Constant.AvalonLayoutResourcePaths.DataEntryFloating;
isResourceFile = true;
break;
default:
layoutName = layoutKey;
break;
}
bool result;
try
{
if (isResourceFile)
{
// Load thelayout from the resource file
result = timelapse.AvalonLayout_TryLoadFromResource(layoutName);
}
else
{
// Load both the layout and the window position/size from the registry
result = timelapse.AvalonLayout_TryLoadFromRegistry(layoutName);
if (result)
{
timelapse.AvalonLayout_LoadWindowPositionAndSizeFromRegistry(layoutName + Constant.AvalonDockValues.WindowRegistryKeySuffix);
timelapse.AvalonLayout_LoadWindowMaximizeStateFromRegistry(layoutName + Constant.AvalonDockValues.WindowMaximizeStateRegistryKeySuffix);
}
}
}
catch
{
// If for some reason loading the avalon layout fails, catch that and then reload from scratch.
// Note that if this is the result of a corrupt registry entry,
// that will self-correct as that entry will be over-written with new values after we load and image set and exit.
result = false;
}
if (result == false)
{
// We are trying to load the last-used layout, but there isn't one. As a fallback,
// we use the default configuration as specified in the XAML: - all tiled with the data entry on top.
// Eve so, we check to see if the window position and size were saved; if they aren't there, it defaults to a reasonable size and position.
timelapse.AvalonLayout_LoadWindowPositionAndSizeFromRegistry(layoutName + Constant.AvalonDockValues.WindowRegistryKeySuffix);
timelapse.AvalonLayout_LoadWindowMaximizeStateFromRegistry(layoutName + Constant.AvalonDockValues.WindowMaximizeStateRegistryKeySuffix);
return(result);
}
// After deserializing, a completely new LayoutRoot object is created.
// This means we have to reset various things so the documents in the new object behave correctly.
// This includes resetting the callbacks to the DataGrid.IsActiveChanged
timelapse.DataEntryControlPanel.PropertyChanging -= timelapse.LayoutAnchorable_PropertyChanging;
timelapse.DataGridPane.IsActiveChanged -= timelapse.DataGridPane_IsActiveChanged;
timelapse.AvalonDock_ResetAfterDeserialize();
timelapse.DataGridPane.IsActiveChanged += timelapse.DataGridPane_IsActiveChanged;
timelapse.DataEntryControlPanel.PropertyChanging += timelapse.LayoutAnchorable_PropertyChanging;
// Force an update to the DataGridPane if its visible, as the above doesn't trigger it
if (timelapse.DataGridPane.IsVisible)
{
timelapse.DataGridPane_IsActiveChanged(true);
}
// Force an update to the DataEntryControlPanel if its visible, as the above doesn't trigger it
timelapse.DataEntryControlPanel.IsVisible = true;
// Special case for DataEntryFloating:
// Reposition the floating window in the middle of the main window, but just below the top
// Note that this assumes there is just a single floating window (which should be the case for this configuration)
if (layoutKey == Constant.AvalonLayoutTags.DataEntryFloating)
{
if (timelapse.DockingManager.FloatingWindows.Any())
{
// BUG. This doesn't work, although it used to in older versions of AvalonDock.
// It seems we need to call Float() to get these positions to 'stick', as otherwise the positions are done
// relative to the primary screen. But if we call Float, it crashes as PreviousParent is null (in Float)
foreach (var floatingWindow in timelapse.DockingManager.FloatingWindows)
{
// We set the DataEntry Control Panel top / left as it remembers the values (i.e. so the layout will be saved correctly later)
// If we set the floating window top/left directly, it won't remember those values as its just the view.
timelapse.DataEntryControlPanel.FloatingTop = timelapse.Top + 100;
timelapse.DataEntryControlPanel.FloatingLeft = timelapse.Left + ((timelapse.Width - floatingWindow.Width) / 2.0);
}
// This used to cause the above values to 'stick', but it no longer works.
//timelapse.DataEntryControlPanel.Float();
}
}
return(true);
}
/// <summary>
/// Get a REG_SZ key's value from the registry
/// </summary>
public static string GetString(this RegistryKey registryKey, string subKeyPath)
{
// Check the arguments for null
ThrowIf.IsNullArgument(registryKey, nameof(registryKey));
return((string)registryKey.GetValue(subKeyPath));
}
