private void toolStripDropDownButtonSource_DropDownItemClicked(object sender, ToolStripItemClickedEventArgs e)
{
_selectedSource = (NewsSource)e.ClickedItem.Tag;
UpdateUI();
}
public virtual bool AddSource(NewsSource source)
{
lock (this)
{
if (_newsSources.Contains(source) || string.IsNullOrEmpty(source.Address))
{// Already contained or invalid address.
return(false);
}
foreach (NewsSource iteratedSource in _newsSources)
{
if (iteratedSource.Address == source.Address)
{// A source with this address already exists.
return(false);
}
}
_newsSources.Add(source);
source.EnabledChangedEvent += new NewsSource.EnabledChangedDelegate(source_EnabledChangedEvent);
}
if (SourceAddedEvent != null)
{
SourceAddedEvent(this, source);
}
return(true);
}
public virtual bool RemoveSource(NewsSource source)
{
lock (this)
{
if (_newsSources.Remove(source) == false)
{// Not found.
return(false);
}
source.EnabledChangedEvent -= new NewsSource.EnabledChangedDelegate(source_EnabledChangedEvent);
}
if (SourceRemovedEvent != null)
{
SourceRemovedEvent(this, source);
}
return(true);
}
private void buttonSettings_Click(object sender, EventArgs e)
{
if (listViewFeeds.SelectedIndices.Count == 0)
{
return;
}
if (listViewFeeds.SelectedIndices.Count > 1)
{
MessageBox.Show("Select only one feed to show settings for.");
return;
}
NewsSource source = _control.Manager.NewsSourcesUnsafe[listViewFeeds.SelectedIndices[0]];
NewsSourceSettingsControl control = new NewsSourceSettingsControl(source);
HostingForm form = new HostingForm("Source Settings", control);
form.StartPosition = FormStartPosition.CenterScreen;
form.ShowDialog();
_control.UpdateUI();
}
private void buttonAddPreconfigured_Click(object sender, EventArgs e)
{
if (comboBoxPreconfigured.SelectedIndex < 0)
{
return;
}
Type type = _preconfiguredTypes[comboBoxPreconfigured.SelectedIndex];
NewsSource newSource = (NewsSource)Activator.CreateInstance(type);
foreach (NewsSource source in _control.Manager.NewsSourcesUnsafe)
{
if (source.GetType() == newSource.GetType())
{
MessageBox.Show("A source of this type already created (only one instance of preconfigured types allowed).", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
_control.Manager.AddSource(newSource);
UpdateUI();
}
/// <summary>
///
/// </summary>
public RssNewsItem(NewsSource source)
: base(source)
{
}
protected virtual void source_EnabledChangedEvent(NewsSource source)
{
}
public NewsSourceSettingsControl(NewsSource source)
{
InitializeComponent();
_source = source;
}
void _manager_SourceAddedEvent(NewsManager manager, NewsSource source)
{
WinFormsHelper.BeginManagedInvoke(this, UpdateUI);
}
bool IsSourceSelected(NewsSource source)
{
return(_selectedSource == null || source == _selectedSource);
}
/// <summary>
/// Extended constructor.
/// </summary>
public NewsItem(NewsSource source)
{
_source = source;
}
/// <summary>
/// Default constructor.
/// </summary>
public NewsItem()
{
_source = null;
}
