/// <summary>
/// Removes a <see cref="Page" /> from the <see cref="Story" />.
/// </summary>
/// <param name="pageToRemove">The instance of the <see cref="Page" /> to remove.</param>
private void DeletePage(Page pageToRemove)
{
// TODO: Prompt before anything actually happens.
if (pageToRemove == null)
{
return;
}
// Find a suitable replacement page (usually the first page, unless that's the one getting deleted).
var replacementPage = _engine.Story.Pages.FirstOrDefault(page => page != pageToRemove);
var nukeChoices = replacementPage == null;
// Evaluate all Objects and remove Choice references to the deleted page.
foreach (var page in _engine.Story.Pages)
{
foreach (var pageObject in page.Objects.Where(o => o.GetType() == typeof(Choice)))
{
var obj = (Choice)pageObject;
if (obj.Target != pageToRemove)
{
continue;
}
// Uh oh, we have a match. If we have a replacement page, use that. Otherwise, delete the choice.
// TODO: (No, seriously, prompt before deleting stuff. That's just common courtesy.)
if (!nukeChoices)
{
obj.Target = replacementPage;
}
else
{
page.Objects.Remove(obj);
}
}
}
// Replace the default first page if necessary.
if (_engine.Story.Configuration.FirstPage == pageToRemove)
{
_engine.Story.Configuration.FirstPage = replacementPage;
}
// Remove the selected page from the page list.
_engine.Story.Pages.Remove(pageToRemove);
// Refresh the list.
UpdatePageList();
}
private void PageList_OnPageDoubleClicked(object sender, Page e)
{
var nameEntry = new NameEntry {
EnteredName = e.Name,
Owner = this
};
var result = nameEntry.ShowDialog();
if (!result.HasValue || !result.Value)
{
return;
}
e.Name = nameEntry.EnteredName;
UpdatePageList();
}
/// <summary>
/// Adds a new <see cref="Page" /> to the <see cref="Story" />.
/// </summary>
/// <param name="pageName">The name of the new <see cref="Page" />.</param>
private void AddPage(string pageName)
{
if (_engine.Story.Pages.Count(p => p.Name == pageName) > 0)
{
throw new PageAlreadyExistsException(pageName);
}
var newPage = new Page {
Name = pageName
};
_engine.Story.Pages.Add(newPage);
// If no page was configured in the story configuration, set it now.
if (_engine.Story.Configuration.FirstPage == null)
{
_engine.Story.Configuration.FirstPage = _engine.Story.Pages.First();
}
UpdatePageList();
PageList.SelectedPage = newPage;
}
private void PageList_OnSelectionChanged(object sender, Page e)
{
UpdateObjectList();
}