/// <summary>
/// Returns the index of the location item in the navigation sidebar
/// </summary>
/// <param name="locationItem">The location item</param>
/// <returns>Index of the item</returns>
public int IndexOfItem(INavigationControlItem locationItem)
{
lock (favoriteList)
{
return(favoriteList.FindIndex(x => x.Path == locationItem.Path));
}
}
protected override DataTemplate SelectTemplateCore(object item)
{
if (item != null && item is INavigationControlItem)
{
INavigationControlItem navControlItem = item as INavigationControlItem;
switch (navControlItem.ItemType)
{
case NavigationControlItemType.Location:
return(LocationNavItemTemplate);
case NavigationControlItemType.Drive:
return(DriveNavItemTemplate);
case NavigationControlItemType.CloudDrive:
return(DriveNavItemTemplate);
case NavigationControlItemType.LinuxDistro:
return(LinuxNavItemTemplate);
case NavigationControlItemType.Header:
return(HeaderNavItemTemplate);
}
}
return(null);
}
/// <summary>
/// Moves the location item in the Favorites sidebar section from the old position to the new position
/// </summary>
/// <param name="locationItem">Location item to move</param>
/// <param name="oldIndex">The old position index of the location item</param>
/// <param name="newIndex">The new position index of the location item</param>
/// <returns>True if the move was successful</returns>
public bool MoveItem(INavigationControlItem locationItem, int oldIndex, int newIndex)
{
if (locationItem is null || newIndex > FavoriteItems.Count)
{
return(false);
}
// A backup of the items, because the swapping of items requires removing and inserting them in the correct position
var sidebarItemsBackup = new List <string>(FavoriteItems);
try
{
FavoriteItems.RemoveAt(oldIndex);
FavoriteItems.Insert(newIndex, locationItem.Path);
lock (favoriteList)
{
favoriteList.RemoveAt(oldIndex);
favoriteList.Insert(newIndex, locationItem);
}
var e = new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Move, locationItem, newIndex, oldIndex);
controller.DataChanged?.Invoke(SectionType.Favorites, e);
Save();
return(true);
}
catch (Exception ex)
{
Debug.WriteLine($"An error occurred while moving pinned items in the Favorites sidebar section. {ex.Message}");
FavoriteItems = sidebarItemsBackup;
RemoveStaleSidebarItems();
_ = AddAllItemsToSidebar();
return(false);
}
}
/// <summary>
/// Swaps two location items in the navigation sidebar
/// </summary>
/// <param name="firstLocationItem">The first location item</param>
/// <param name="secondLocationItem">The second location item</param>
public void SwapItems(INavigationControlItem firstLocationItem, INavigationControlItem secondLocationItem)
{
if (firstLocationItem == null || secondLocationItem == null)
{
return;
}
var indexOfFirstItemInMainPage = IndexOfItem(firstLocationItem);
var indexOfSecondItemInMainPage = IndexOfItem(secondLocationItem);
// Moves the items in the MainPage
MoveItem(firstLocationItem, indexOfFirstItemInMainPage, indexOfSecondItemInMainPage);
}
/// <summary>
/// Moves the location item in the navigation sidebar from the old position to the new position
/// </summary>
/// <param name="locationItem">Location item to move</param>
/// <param name="oldIndex">The old position index of the location item</param>
/// <param name="newIndex">The new position index of the location item</param>
/// <returns>True if the move was successful</returns>
public bool MoveItem(INavigationControlItem locationItem, int oldIndex, int newIndex)
{
if (locationItem == null)
{
return(false);
}
if (oldIndex >= 0 && newIndex >= 0)
{
MainPage.SideBarItems.RemoveAt(oldIndex);
MainPage.SideBarItems.Insert(newIndex, locationItem);
return(true);
}
return(false);
}
/// <summary>
/// Moves the location item in the navigation sidebar from the old position to the new position
/// </summary>
/// <param name="locationItem">Location item to move</param>
/// <param name="oldIndex">The old position index of the location item</param>
/// <param name="newIndex">The new position index of the location item</param>
/// <returns>True if the move was successful</returns>
public bool MoveItem(INavigationControlItem locationItem, int oldIndex, int newIndex)
{
if (locationItem == null)
{
return(false);
}
if (oldIndex >= 0 && newIndex >= 0)
{
favoriteSection.ChildItems.RemoveAt(oldIndex);
favoriteSection.ChildItems.Insert(newIndex, locationItem);
return(true);
}
return(false);
}
/// <summary>
/// Swaps two location items in the navigation sidebar
/// </summary>
/// <param name="firstLocationItem">The first location item</param>
/// <param name="secondLocationItem">The second location item</param>
public void SwapItems(INavigationControlItem firstLocationItem, INavigationControlItem secondLocationItem)
{
if (firstLocationItem == null || secondLocationItem == null)
{
return;
}
// A backup of the items, because the swapping of items requires removing and inserting them in the corrent position
var sidebarItemsBackup = new List <string>(this.Items);
try
{
var indexOfFirstItemInMainPage = IndexOfItem(firstLocationItem);
var indexOfSecondItemInMainPage = IndexOfItem(secondLocationItem);
// Moves the items in the MainPage
var result = MoveItem(firstLocationItem, indexOfFirstItemInMainPage, indexOfSecondItemInMainPage);
// Moves the items in this model and saves the model
if (result == true)
{
var indexOfFirstItemInModel = this.Items.IndexOf(firstLocationItem.Path);
var indexOfSecondItemInModel = this.Items.IndexOf(secondLocationItem.Path);
if (indexOfFirstItemInModel >= 0 && indexOfSecondItemInModel >= 0)
{
this.Items.RemoveAt(indexOfFirstItemInModel);
this.Items.Insert(indexOfSecondItemInModel, firstLocationItem.Path);
}
Save();
}
}
catch (Exception ex) when(
ex is ArgumentException || // Pinned item was invalid
ex is FileNotFoundException || // Pinned item was deleted
ex is System.Runtime.InteropServices.COMException || // Pinned item's drive was ejected
(uint)ex.HResult == 0x8007000F || // The system cannot find the drive specified
(uint)ex.HResult == 0x800700A1) // The specified path is invalid (usually an mtp device was disconnected)
{
Debug.WriteLine($"An error occured while swapping pinned items in the navigation sidebar. {ex.Message}");
this.Items = sidebarItemsBackup;
this.RemoveStaleSidebarItems();
this.AddAllItemsToSidebar();
}
}
/// <summary>
/// Moves the location item in the Favorites sidebar section from the old position to the new position
/// </summary>
/// <param name="locationItem">Location item to move</param>
/// <param name="oldIndex">The old position index of the location item</param>
/// <param name="newIndex">The new position index of the location item</param>
/// <returns>True if the move was successful</returns>
public bool MoveItem(INavigationControlItem locationItem, int oldIndex, int newIndex)
{
if (locationItem == null)
{
return(false);
}
if (oldIndex >= 1 && newIndex >= 1 && newIndex <= FavoriteItems.Count())
{
// A backup of the items, because the swapping of items requires removing and inserting them in the correct position
var sidebarItemsBackup = new List <string>(FavoriteItems);
try
{
FavoriteItems.RemoveAt(oldIndex - 1);
FavoriteItems.Insert(newIndex - 1, locationItem.Path);
favoriteSection.ChildItems.RemoveAt(oldIndex);
favoriteSection.ChildItems.Insert(newIndex, locationItem);
Save();
}
catch (Exception ex) when(
ex is ArgumentException || // Pinned item was invalid
ex is FileNotFoundException || // Pinned item was deleted
ex is System.Runtime.InteropServices.COMException || // Pinned item's drive was ejected
(uint)ex.HResult == 0x8007000F || // The system cannot find the drive specified
(uint)ex.HResult == 0x800700A1) // The specified path is invalid (usually an mtp device was disconnected)
{
Debug.WriteLine($"An error occurred while moving pinned items in the Favorites sidebar section. {ex.Message}");
FavoriteItems = sidebarItemsBackup;
RemoveStaleSidebarItems();
_ = AddAllItemsToSidebar();
return(false);
}
return(true);
}
return(false);
}
/// <summary>
/// Returns the index of the location item in the collection containing Navigation control items
/// </summary>
/// <param name="locationItem">The location item</param>
/// <param name="collection">The collection in which to find the location item</param>
/// <returns>Index of the item</returns>
public int IndexOfItem(INavigationControlItem locationItem, List <INavigationControlItem> collection)
{
return(collection.IndexOf(locationItem));
}
/// <summary>
/// Returns the index of the location item in the navigation sidebar
/// </summary>
/// <param name="locationItem">The location item</param>
/// <returns>Index of the item</returns>
public int IndexOfItem(INavigationControlItem locationItem)
{
return(MainPage.SideBarItems.IndexOf(locationItem));
}
/// <summary>
/// Returns the index of the location item in the navigation sidebar
/// </summary>
/// <param name="locationItem">The location item</param>
/// <returns>Index of the item</returns>
public int IndexOfItem(INavigationControlItem locationItem)
{
return(favoriteSection.ChildItems.IndexOf(locationItem));
}
