/// <summary>
/// Enters a new media navigation context by inheriting all currently available screens. This is used for
/// presenting the contents of a media items or filter group, where the current menu should remain available.
/// Only the currently visible screen can be exchanged to configure another presentation mode for the group to
/// be stepped-in.
/// </summary>
/// <remarks>
/// Actually, we mix two different concerns in this method:
/// <list type="number">
/// <item>The setting that the new navigation context will be subordinated, i.e. it will be removed/exchanged by a filter action</item>
/// <item>The setting that all menu actions will be adopted from the parent navigation context</item>
/// </list>
/// But in fact, filter actions are only used together with the concept that there exist two different kind of navigation contexts;
/// autonomous contexts and subordinated contexts.
/// If there are no filter actions present (like in the browse media navigation modes), the only difference between the methods
/// <see cref="StackSubordinateNavigationContext"/> and <see cref="StackAutonomousNavigationContext"/> is the inheritance of the menu.
/// </remarks>
/// <param name="subViewSpecification">Specification for the sub view to be shown in the new navigation context.</param>
/// <param name="visibleScreen">Screen which should be visible in the new navigation context.</param>
/// <param name="navbarDisplayLabel">Display label to be shown in the navigation bar for the new navigation context.</param>
/// <returns>Newly created navigation data.</returns>
public NavigationData StackSubordinateNavigationContext(ViewSpecification subViewSpecification, AbstractScreenData visibleScreen,
string navbarDisplayLabel)
{
WorkflowState newState = WorkflowState.CreateTransientState(
"View: " + subViewSpecification.ViewDisplayName, subViewSpecification.ViewDisplayName,
false, null, true, WorkflowType.Workflow, null);
ScreenConfig nextScreenConfig;
LoadLayoutSettings(visibleScreen.ToString(), out nextScreenConfig);
Sorting.Sorting nextSortingMode = AvailableSortings.FirstOrDefault(
sorting => sorting.GetType().ToString() == nextScreenConfig.Sorting && sorting.IsAvailable(visibleScreen)) ?? _currentSorting;
Sorting.Sorting nextGroupingMode = string.IsNullOrEmpty(nextScreenConfig.Grouping) ? null : AvailableGroupings.FirstOrDefault(
grouping => grouping.GetType().ToString() == nextScreenConfig.Grouping && grouping.IsAvailable(visibleScreen)) ?? _currentGrouping;
NavigationData newNavigationData = new NavigationData(this, subViewSpecification.ViewDisplayName,
_baseWorkflowStateId, newState.StateId, subViewSpecification, visibleScreen, _availableScreens, nextSortingMode, nextGroupingMode, true)
{
LayoutType = nextScreenConfig.LayoutType,
LayoutSize = nextScreenConfig.LayoutSize
};
PushNewNavigationWorkflowState(newState, navbarDisplayLabel, newNavigationData);
return(newNavigationData);
}
/// <summary>
/// Enters a new media navigation context by inheriting all currently available screens. This is used for
/// presenting the contents of a media items or filter group, where the current menu should remain available.
/// Only the currently visible screen can be exchanged to configure another presentation mode for the group to
/// be stepped-in.
/// </summary>
/// <remarks>
/// Actually, we mix two different concerns in this method:
/// <list type="number">
/// <item>The setting that the new navigation context will be subordinated, i.e. it will be removed/exchanged by a filter action</item>
/// <item>The setting that all menu actions will be adopted from the parent navigation context</item>
/// </list>
/// But in fact, filter actions are only used together with the concept that there exist two different kind of navigation contexts;
/// autonomous contexts and subordinated contexts.
/// If there are no filter actions present (like in the browse media navigation modes), the only difference between the methods
/// <see cref="StackSubordinateNavigationContext"/> and <see cref="StackAutonomousNavigationContext"/> is the inheritance of the menu.
/// </remarks>
/// <param name="subViewSpecification">Specification for the sub view to be shown in the new navigation context.</param>
/// <param name="visibleScreen">Screen which should be visible in the new navigation context.</param>
/// <param name="navbarDisplayLabel">Display label to be shown in the navigation bar for the new navigation context.</param>
/// <returns>Newly created navigation data.</returns>
public NavigationData StackSubordinateNavigationContext(ViewSpecification subViewSpecification, AbstractScreenData visibleScreen,
string navbarDisplayLabel)
{
WorkflowState newState = WorkflowState.CreateTransientState(
"View: " + subViewSpecification.ViewDisplayName, subViewSpecification.ViewDisplayName,
false, null, true, WorkflowType.Workflow);
NavigationData newNavigationData = new NavigationData(this, subViewSpecification.ViewDisplayName,
_baseWorkflowStateId, newState.StateId, subViewSpecification, visibleScreen, _availableScreens, _currentSorting, true);
PushNewNavigationWorkflowState(newState, navbarDisplayLabel, newNavigationData);
return(newNavigationData);
}
public void ShowSiteOptions(OnlineSiteViewModel item)
{
ServiceRegistration.Get <IWorkflowManager>().NavigatePushTransient(
WorkflowState.CreateTransientState("OnlineSiteOptions", item.Site.Name, true, "ovsDialogGenericItems", false, WorkflowType.Dialog),
new NavigationContextConfig()
{
AdditionalContextVariables = new Dictionary <string, object>
{
{ Constants.CONTEXT_VAR_ITEMS, GetSiteOptions(item) },
{ Constants.CONTEXT_VAR_COMMAND, new CommandContainer <ListItem>(ExecuteSiteOption) }
}
});
}
/// <summary>
/// Enters a new media navigation context by modifying the list of available screens. This is used for
/// presenting the result of a filter, where the menu must be changed.
/// </summary>
/// <param name="subViewSpecification">Specification for the sub view to be shown in the new navigation context.</param>
/// <param name="remainingScreens">New collection of remaining available screens.</param>
/// <param name="navbarDisplayLabel">Display label to be shown in the navigation bar for the new navigation context.</param>
/// <returns>Newly created navigation data.</returns>
public NavigationData StackAutonomousNavigationContext(ViewSpecification subViewSpecification,
ICollection <AbstractScreenData> remainingScreens, string navbarDisplayLabel)
{
WorkflowState newState = WorkflowState.CreateTransientState(
"View: " + subViewSpecification.ViewDisplayName, subViewSpecification.ViewDisplayName,
false, null, false, WorkflowType.Workflow);
NavigationData newNavigationData = new NavigationData(this, subViewSpecification.ViewDisplayName,
newState.StateId, newState.StateId, subViewSpecification, remainingScreens.FirstOrDefault(), remainingScreens,
_currentSorting);
PushNewNavigationWorkflowState(newState, navbarDisplayLabel, newNavigationData);
return(newNavigationData);
}
void ShowCategories(IList <Category> categories, string navigationLabel)
{
CategoriesList = new ItemsList();
foreach (Category c in categories)
{
CategoriesList.Add(new CategoryViewModel(c));
}
ImageDownloader.GetImages <Category>(categories);
IWorkflowManager workflowManager = ServiceRegistration.Get <IWorkflowManager>();
workflowManager.NavigatePushTransientAsync(
WorkflowState.CreateTransientState(Guids.WorkflowStateCategoriesName, navigationLabel, false, "categories", false, WorkflowType.Workflow),
new NavigationContextConfig());
}
void HandleCustomContextMenuEntry(Sites.ContextMenuEntry entry)
{
ServiceRegistration.Get <IScreenManager>().CloseTopmostDialog();
switch (entry.Action)
{
case Sites.ContextMenuEntry.UIAction.Execute:
ExecuteCustomContextMenuEntry(entry);
break;
case Sites.ContextMenuEntry.UIAction.GetText:
//todo: show input dialog and execute when confirmed
//entry.UserInputText = text;
//ExecuteCustomContextMenuEntry(entry);
break;
case Sites.ContextMenuEntry.UIAction.PromptYesNo:
var dialogHandleId = ServiceRegistration.Get <IDialogManager>().ShowDialog(entry.DisplayText, entry.PromptText, DialogType.YesNoDialog, false, DialogButtonType.No);
var dialogCloseWatcher = new DialogCloseWatcher(this, dialogHandleId, (dialogResult) =>
{
if (dialogResult == DialogResult.Yes)
{
ExecuteCustomContextMenuEntry(entry);
}
});
break;
case Sites.ContextMenuEntry.UIAction.ShowList:
var menuItems = new ItemsList();
foreach (var item in entry.SubEntries)
{
var listItem = new ListItem(Consts.KEY_NAME, item.DisplayText);
listItem.AdditionalProperties.Add(Consts.KEY_MEDIA_ITEM, item);
menuItems.Add(listItem);
}
ServiceRegistration.Get <IWorkflowManager>().NavigatePushTransient(
WorkflowState.CreateTransientState("CustomContextItems", entry.DisplayText, true, "ovsDialogGenericItems", false, WorkflowType.Dialog),
new NavigationContextConfig()
{
AdditionalContextVariables = new Dictionary <string, object>
{
{ Constants.CONTEXT_VAR_ITEMS, menuItems },
{ Constants.CONTEXT_VAR_COMMAND, new CommandContainer <ListItem>((li) => HandleCustomContextMenuEntry(li.AdditionalProperties[Consts.KEY_MEDIA_ITEM] as Sites.ContextMenuEntry)) }
}
});
break;
}
}
/// <summary>
/// Creates a <see cref="WorkflowAction"/> that pushes a dialog as transient state on the navigation stack.
/// </summary>
/// <param name="id"></param>
/// <param name="name"></param>
/// <param name="displayLabel"></param>
/// <param name="dialogItems"></param>
/// <param name="sourceState"></param>
/// <param name="action"></param>
/// <returns></returns>
public static WorkflowAction CreateDialogMenuAction(Guid id, string name, string displayLabel, ItemsList dialogItems, WorkflowState sourceState, Action <ListItem> action)
{
return(new PushTransientStateNavigationTransition(
id,
sourceState.Name + "->" + name,
displayLabel,
new Guid[] { sourceState.StateId },
WorkflowState.CreateTransientState(name, displayLabel, true, "ovsDialogGenericItems", false, WorkflowType.Dialog),
LocalizationHelper.CreateResourceString(displayLabel))
{
SortOrder = name,
WorkflowNavigationContextVariables = new Dictionary <string, object>
{
{ Constants.CONTEXT_VAR_ITEMS, dialogItems },
{ Constants.CONTEXT_VAR_COMMAND, new CommandContainer <ListItem>(action) }
}
});
}
public void UpdateMenuActions(NavigationContext context, IDictionary <Guid, WorkflowAction> actions)
{
IConfigurationManager configurationManager = ServiceRegistration.Get <IConfigurationManager>();
string configLocation = GetConfigLocation(context);
WorkflowState mainState;
ServiceRegistration.Get <IWorkflowManager>().States.TryGetValue(new Guid(CONFIGURATION_MAIN_STATE_ID_STR),
out mainState);
IConfigurationNode currentNode = configurationManager.GetNode(configLocation);
foreach (IConfigurationNode childNode in currentNode.ChildNodes)
{
if (childNode.ConfigObj is ConfigSection)
{
bool supportedSettings = NumSettingsSupported(childNode) > 0;
// Hint (Albert): Instead of skipping, we could disable the transition in case there are no supported
// settings contained in it
if (!supportedSettings)
{
continue;
}
ConfigSection section = (ConfigSection)childNode.ConfigObj;
// Create transient state for new config section
WorkflowState newState = WorkflowState.CreateTransientState(
string.Format("Config: '{0}'", childNode.Location), section.SectionMetadata.Text, false, CONFIGURATION_SECTION_SCREEN,
false, WorkflowType.Workflow, context.WorkflowState.HideGroups);
// Add action for menu
IResourceString res = LocalizationHelper.CreateResourceString(section.Metadata.Text);
WorkflowAction wa = new PushTransientStateNavigationTransition(
Guid.NewGuid(), context.WorkflowState.Name + "->" + childNode.Location, null,
new Guid[] { context.WorkflowState.StateId }, newState, res)
{
DisplayCategory = ACTIONS_WORKFLOW_CATEGORY,
SortOrder = childNode.Sort ?? res.Evaluate(),
WorkflowNavigationContextVariables = new Dictionary <string, object>
{
{ CONFIG_LOCATION_KEY, childNode.Location }
}
};
actions.Add(wa.ActionId, wa);
}
}
}
/// <summary>
/// Enters a new media navigation context by modifying the list of available screens. This is used for
/// presenting the result of a filter, where the menu must be changed.
/// </summary>
/// <param name="subViewSpecification">Specification for the sub view to be shown in the new navigation context.</param>
/// <param name="currentMenuItemLabel">Current menu item label needed for distinction of available screens.</param>
/// <param name="navbarDisplayLabel">Display label to be shown in the navigation bar for the new navigation context.</param>
/// <returns>Newly created navigation data.</returns>
public NavigationData StackAutonomousNavigationContext(ViewSpecification subViewSpecification, string currentMenuItemLabel, string navbarDisplayLabel)
{
AbstractScreenData currentScreen = AvailableScreens.FirstOrDefault(screen => screen.MenuItemLabel == currentMenuItemLabel);
ICollection <AbstractScreenData> remainingScreens = new List <AbstractScreenData>(AvailableScreens.Where(screen => screen != currentScreen));
WorkflowState newState = WorkflowState.CreateTransientState(
"View: " + subViewSpecification.ViewDisplayName, subViewSpecification.ViewDisplayName,
false, null, false, WorkflowType.Workflow, null);
string nextScreenName;
AbstractScreenData nextScreen = null;
// Try to load the prefered next screen from settings.
if (LoadScreenHierarchy(CurrentScreenData.GetType().ToString(), out nextScreenName))
{
nextScreen = remainingScreens.FirstOrDefault(s => s.GetType().ToString() == nextScreenName);
}
// Default way: always take the first of the available screens.
if (nextScreen == null)
{
nextScreen = remainingScreens.First(s => s != currentScreen);
}
ScreenConfig nextScreenConfig;
LoadLayoutSettings(nextScreen.GetType().ToString(), out nextScreenConfig);
Sorting.Sorting nextSortingMode = AvailableSortings.FirstOrDefault(
sorting => sorting.GetType().ToString() == nextScreenConfig.Sorting && sorting.IsAvailable(nextScreen)) ?? _currentSorting;
Sorting.Sorting nextGroupingMode = String.IsNullOrEmpty(nextScreenConfig.Grouping) ? null : AvailableGroupings.FirstOrDefault(
grouping => grouping.GetType().ToString() == nextScreenConfig.Grouping && grouping.IsAvailable(nextScreen)) ?? _currentGrouping;
NavigationData newNavigationData = new NavigationData(this, subViewSpecification.ViewDisplayName,
newState.StateId, newState.StateId, subViewSpecification, nextScreen, remainingScreens,
nextSortingMode, nextGroupingMode)
{
LayoutType = nextScreenConfig.LayoutType, LayoutSize = nextScreenConfig.LayoutSize
};
PushNewNavigationWorkflowState(newState, navbarDisplayLabel, newNavigationData);
return(newNavigationData);
}
public void ChoosePlaybackOptions(string defaultUrl, Action <string> resultHandler, bool skipDialog = false)
{
// with no options set, return the VideoUrl field
if (VideoInfo.PlaybackOptions == null || VideoInfo.PlaybackOptions.Count == 0)
{
resultHandler(defaultUrl);
}
// with just one option set, resolve it and call handler
else if (VideoInfo.PlaybackOptions.Count == 1)
{
BackgroundTask.Instance.Start <string>(
() =>
{
return(VideoInfo.GetPlaybackOptionUrl(VideoInfo.PlaybackOptions.First().Key));
},
(success, url) =>
{
if (success)
{
resultHandler(url);
}
},
Translation.Instance.GettingPlaybackUrlsForVideo);
}
else
{
if (skipDialog)
{
var defaultOption = VideoInfo.PlaybackOptions.FirstOrDefault(p => p.Value == defaultUrl).Key;
if (string.IsNullOrEmpty(defaultOption))
{
defaultOption = VideoInfo.PlaybackOptions.First().Key;
}
BackgroundTask.Instance.Start <string>(
() =>
{
return(VideoInfo.GetPlaybackOptionUrl(defaultOption));
},
(success, url) =>
{
if (success)
{
resultHandler(url);
}
},
Translation.Instance.GettingPlaybackUrlsForVideo);
}
else
{
var playbackOptionsItems = new ItemsList();
foreach (var item in VideoInfo.PlaybackOptions)
{
var listItem = new ListItem(Consts.KEY_NAME, item.Key);
listItem.AdditionalProperties.Add(Constants.KEY_HANDLER, resultHandler);
listItem.Selected = item.Value == defaultUrl;
playbackOptionsItems.Add(listItem);
}
ServiceRegistration.Get <IWorkflowManager>().NavigatePushTransient(
WorkflowState.CreateTransientState("PlaybackOptions", VideoInfo.Title, true, "ovsDialogGenericItems", false, WorkflowType.Dialog),
new NavigationContextConfig()
{
AdditionalContextVariables = new Dictionary <string, object>
{
{ Constants.CONTEXT_VAR_ITEMS, playbackOptionsItems },
{ Constants.CONTEXT_VAR_COMMAND, new CommandContainer <ListItem>(SelectPlaybackOption) }
}
});
}
}
}
