private void add()
{
string rssURL = urlBox.Text; // Get user provided URL
string feedName = nameBox.Text; // Get user provided name
if (!IsValidURL(rssURL)) // Check if URL is valid web address and contains .rss or .xml
{
InvalidURL(); // If not valid, reset input box and pop error
return; // Exit add function
}
if (feedName.Equals("")) // If user doesn't provide a name provide a default.
{
feedName = "New Feed" + unnamedFeeds.ToString(); // Default base name is New FeedX
unnamedFeeds++; // Increment 'X'
}
ComponentTreeViewItem newFeed = new ComponentTreeViewItem(feedName); // Create item to be displayed in left hand
newFeed.MouseLeftButtonUp += treeComp_MouseLeftButtonUp; // Link the event to the proper handler
newFeed.PreviewMouseRightButtonDown += treeView_PreviewMouseRightButtonDown;
newFeed.addChannel.Click += AddComponentToChannel; // Routing events to proper handlers
newFeed.removeChannel.Click += removeFromChannel;
newFeed.renameFeed.Click += RenameChannel;
// Call the Component_View's Add_Feed function to pass proper info to the logic engine to create feed
compView.Add_Feed("/" + feedName, rssURL);
this.treeView.Items.Add(newFeed); // Show the new feed in the TreeView menu
urlBox.Text = ""; // Restore default text values in the textboxes
nameBox.Text = "";
}
private void RenameChannel(object sender, RoutedEventArgs e)
{
ComponentTreeViewItem newNameComp = (ComponentTreeViewItem)treeView.SelectedItem;
string currentName = (string)newNameComp.Header;
string currentPath = newNameComp.Path;
RenameComponentWindow renameWindow = new RenameComponentWindow();
}
private void AddComponentToChannel(object sender, RoutedEventArgs e)
{
ComponentTreeViewItem movingComp = (ComponentTreeViewItem)treeView.SelectedItem;
addToChannelWindow = new AddToChannelWindow();
addToChannelWindow.Show();
addToChannelWindow.OpenWindow(movingComp);
addToChannelWindow.OnComponentMoved += this.OnAddToChannelWindowClose;
}
private void OnCreateChannelWindowClose(object sender, EventArgs e) // Handler for when Creating a new Channel
{
// Need to have channel have the same click properties as the other feeds in base
CreateChannelWindow source = (CreateChannelWindow)sender;
string channelName = source.TextBox.Text;
ComponentTreeViewItem newChannel = new ComponentTreeViewItem(channelName); // Create item to be displayed in left hand
newChannel.PreviewMouseRightButtonDown += treeView_PreviewMouseRightButtonDown;
newChannel.addChannel.Click += AddComponentToChannel; // Routing events to proper handlers
newChannel.removeChannel.Click += removeFromChannel;
newChannel.renameFeed.Click += RenameChannel;
this.treeView.Items.Add(newChannel);
}
private void OnAddToChannelWindowClose(object sender, EventArgs e) // Handler for when adding Component to a Channel
{
ComponentTreeViewItem movedComponent = (ComponentTreeViewItem)sender;
this.treeView.Items.Remove(movedComponent); // Remove the moved component from the UI
foreach (ComponentTreeViewItem c in treeView.Items)
{
if (MoveComponentTreeViewItem(movedComponent.Path, c, movedComponent))
{
break;
}
}
}
private void PopulateOnLoad(List <String> newTree)
{
foreach (String i in newTree)
{
if (compView.Is_Channel(i)) // We know there are either more channels or feeds internal, need to recursively call
{
List <String> components = compView.Get_Children_Of(i);
PopulateOnLoad(components);
}
else
{
ComponentTreeViewItem newFeed = new ComponentTreeViewItem(i); // Create item to be displayed in left hand menu
treeView.Items.Add(newFeed);
}
}
}
private bool MoveComponentTreeViewItem(string path, ComponentTreeViewItem currentComponent, ComponentTreeViewItem movedComponent)
{
ComponentTreeViewItem parentComp;
// Need to find second slash
int highestLevelSlash = path.IndexOf("/", 1);
string highestLevel = path.Substring(1, highestLevelSlash - 1); // Should be highest level in path
string secondLevel = "";
int movedSlash = path.LastIndexOf("/");
int secondLevelSlash = path.IndexOf("/", highestLevelSlash + 1);
if (secondLevelSlash != -1)
{
secondLevel = path.Substring(highestLevelSlash + 1, (secondLevelSlash - highestLevelSlash) - 1);
}
int parentSlash = path.LastIndexOf("/", movedSlash - 1);
string parent = path.Substring(parentSlash + 1, (movedSlash - parentSlash) - 1);
if (parent == (string)currentComponent.Header)
{
// Need to figure out parent container
if (movedComponent.Parent != null)
{
parentComp = (ComponentTreeViewItem)movedComponent.Parent;
parentComp.Items.Remove(movedComponent);
}
currentComponent.Items.Add(movedComponent);
return(true);
}
else if (currentComponent.HasItems)
{
// Recurse downward
foreach (ComponentTreeViewItem c in currentComponent.Items)
{
if (secondLevel == (string)c.Header)
{
MoveComponentTreeViewItem(path.Substring(highestLevelSlash + 1), c, movedComponent);
}
}
}
return(false);
}
private void treeComp_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
articleList.Items.Clear();
ComponentTreeViewItem senderComp = (ComponentTreeViewItem)sender; // Typecast so we can figure out the sender
List <Article> articles; // Create a new list of articles for the return
articles = compView.Get_Articles_Under(senderComp.Path); // Get the list of articles below the current selection
foreach (Article i in articles)
{
ArticleListItem articleListItem = new ArticleListItem(); // Create a new ArticleListItem to be displayed
articleListItem.Title = i.Title; // Get the correct title
articleListItem.Date = i.Publication_Date; // Get the correct date
articleListItem.URL = i.URL;
articleListItem.Description = i.Summary;
articleListItem.Read = ""; // Setting default to unread
articleList.Items.Add(articleListItem); // Place in the UI
}
}
public void add(string feedName, string rssURL)
{
if (!IsValidURL(rssURL)) // Check if URL is valid web address and contains .rss or .xml
{
InvalidURL(); // If not valid, reset input box and pop error
return; // Exit add function
}
if (feedName.Equals("")) // If user doesn't provide a name provide a default.
{
feedName = "New Feed" + unnamedFeeds.ToString(); // Default base name is New FeedX
unnamedFeeds++; // Increment 'X'
}
ComponentTreeViewItem newFeed = new ComponentTreeViewItem(feedName); // Create item to be displayed in left hand menu
// Call the Component_View's Add_Feed function to pass proper info to the logic engine to create feed
compView.Add_Feed("/" + feedName, rssURL);
this.treeView.Items.Add(newFeed); // Show the new feed in the TreeView menu
urlBox.Text = ""; // Restore default text values in the textboxes
nameBox.Text = "";
}
// Ensures that we do not have a null value when using Context Menus
private void treeView_PreviewMouseRightButtonDown(object sender, MouseButtonEventArgs e)
{
selectedItem = (ComponentTreeViewItem)sender;
}
public void OpenWindow(ComponentTreeViewItem movedComp)
{
sourceComponent = movedComp;
this.oldPath = sourceComponent.Path;
}
