/// <summary>
/// Called when the dataset should be activated.
/// </summary>
/// <param name="projectFacade">The object that contains the methods that allow interaction with the project system.</param>
/// <param name="dataset">The dataset.</param>
/// <param name="selector">
/// The function that is used to select the most suitable machine to distribute the dataset to.
/// </param>
/// <param name="timer">The function that creates and stores timing intervals.</param>
private static void OnActivate(
ILinkToProjects projectFacade,
DatasetFacade dataset,
Func <IEnumerable <DistributionSuggestion>, SelectedProposal> selector,
Func <string, IDisposable> timer)
{
// If there is no application facade, then we're in
// designer mode, or something else silly.
if (dataset == null)
{
return;
}
if (dataset.IsActivated || !dataset.CanActivate)
{
return;
}
using (timer("Loading dataset onto machine"))
{
var source = new CancellationTokenSource();
dataset.Activate(
DistributionLocations.All,
selector,
source.Token)
.ContinueWith(t => source.Dispose());
projectFacade.ActiveProject().History.Mark();
}
}
/// <summary>
/// Saves the existing project.
/// </summary>
/// <param name="projectFacade">The object that contains the methods that allow interaction with the project system.</param>
/// <param name="persistenceInformation">The object that describes how the project should be persisted.</param>
/// <param name="timer">The function that creates and stores timing intervals.</param>
private static void OnSaveProject(
ILinkToProjects projectFacade,
IPersistenceInformation persistenceInformation,
Func <string, IDisposable> timer)
{
// If there is no facade then we're in design mode or something
// else weird.
if (projectFacade == null)
{
return;
}
if (!projectFacade.HasActiveProject())
{
return;
}
using (timer("Saving project"))
{
var project = projectFacade.ActiveProject();
project.SaveProject(persistenceInformation);
projectFacade.ActiveProject().History.Mark(Resources.SaveProjectCommand_HistoryMark);
}
}
private ActivateDatasetCommand CreateActivateDatasetCommand(
ILinkToProjects projectFacade,
DatasetFacade dataset,
Func <string, IDisposable> timer)
{
var context = m_Container.Resolve <IContextAware>();
Func <IEnumerable <DistributionSuggestion>, SelectedProposal> selector =
c =>
{
var presenter = (IPresenter)m_Container.Resolve(typeof(MachineSelectorPresenter));
var view = m_Container.Resolve(presenter.ViewType) as IMachineSelectorView;
presenter.Initialize(view, new MachineSelectorParameter(context, c));
var window = view as Window;
window.Owner = Application.Current.MainWindow;
if (window.ShowDialog() ?? false)
{
return(new SelectedProposal(view.Model.SelectedPlan));
}
return(new SelectedProposal());
};
var command = m_Container.Resolve <ActivateDatasetCommand>(
new TypedParameter(typeof(ILinkToProjects), projectFacade),
new TypedParameter(typeof(DatasetFacade), dataset),
new TypedParameter(typeof(Func <IEnumerable <DistributionSuggestion>, SelectedProposal>), selector),
new TypedParameter(typeof(SystemDiagnostics), timer));
return(command);
}
private static bool CanRedo(ILinkToProjects projectFacade)
{
// If there is no facade then we're in design mode or something
// else weird.
if (projectFacade == null)
{
return(false);
}
if (!projectFacade.HasActiveProject())
{
return(false);
}
var project = projectFacade.ActiveProject();
if (project.History.CanRollForward)
{
var markers = project.History.MarkersInTheFuture();
var markerToRollBackTo = markers.FirstOrDefault(m => !m.Equals(project.History.Current));
return(markerToRollBackTo != null);
}
return(false);
}
/// <summary>
/// Called when the last undo action should be redone.
/// </summary>
/// <param name="projectFacade">
/// The object that contains the methods that allow interaction with
/// the project system.
/// </param>
/// <param name="timer">The function that creates and stores timing intervals.</param>
private static void OnRedo(ILinkToProjects projectFacade, Func <string, IDisposable> timer)
{
// If there is no facade then we're in design mode or something
// else weird.
if (projectFacade == null)
{
return;
}
if (!projectFacade.HasActiveProject())
{
return;
}
using (timer("Redoing change"))
{
var project = projectFacade.ActiveProject();
if (project.History.CanRollForward)
{
var markers = project.History.MarkersInTheFuture();
var markerToRollBackTo = markers.FirstOrDefault(m => !m.Equals(project.History.Current));
if (markerToRollBackTo != null)
{
project.History.RollForwardTo(markerToRollBackTo);
}
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="DatasetDetailModel"/> class.
/// </summary>
/// <param name="context">The context that is used to execute actions on the UI thread.</param>
/// <param name="progressTracker">The object that handles the progress notifications for the applications.</param>
/// <param name="project">The project that holds all the data.</param>
/// <param name="dataset">The dataset.</param>
/// <exception cref="ArgumentNullException">
/// Thrown if <paramref name="context"/> is <see langword="null" />.
/// </exception>
/// <exception cref="ArgumentNullException">
/// Thrown if <paramref name="progressTracker"/> is <see langword="null" />.
/// </exception>
/// <exception cref="ArgumentNullException">
/// Thrown if <paramref name="project"/> is <see langword="null" />.
/// </exception>
/// <exception cref="ArgumentNullException">
/// Thrown if <paramref name="dataset"/> is <see langword="null" />.
/// </exception>
public DatasetDetailModel(IContextAware context, ITrackSteppingProgress progressTracker, ILinkToProjects project, DatasetFacade dataset)
: base(context)
{
{
Lokad.Enforce.Argument(() => progressTracker);
Lokad.Enforce.Argument(() => project);
Lokad.Enforce.Argument(() => dataset);
}
m_ProgressTracker = progressTracker;
m_Project = project;
m_Dataset = dataset;
m_Dataset.OnNameChanged += (s, e) =>
{
Notify(() => Name);
Notify(() => DisplayName);
};
m_Dataset.OnSummaryChanged += (s, e) => Notify(() => Summary);
m_Dataset.OnProgressOfCurrentAction += HandleDatasetProgress;
m_Dataset.OnDeactivated += (s, e) =>
{
Notify(() => IsActivated);
Notify(() => Endpoint);
RaiseOnDeactivated();
};
}
/// <summary>
/// Initializes a new instance of the <see cref="DatasetDetailModel"/> class.
/// </summary>
/// <param name="context">The context that is used to execute actions on the UI thread.</param>
/// <param name="progressTracker">The object that handles the progress notifications for the applications.</param>
/// <param name="project">The project that holds all the data.</param>
/// <param name="dataset">The dataset.</param>
/// <exception cref="ArgumentNullException">
/// Thrown if <paramref name="context"/> is <see langword="null" />.
/// </exception>
/// <exception cref="ArgumentNullException">
/// Thrown if <paramref name="progressTracker"/> is <see langword="null" />.
/// </exception>
/// <exception cref="ArgumentNullException">
/// Thrown if <paramref name="project"/> is <see langword="null" />.
/// </exception>
/// <exception cref="ArgumentNullException">
/// Thrown if <paramref name="dataset"/> is <see langword="null" />.
/// </exception>
public DatasetDetailModel(IContextAware context, ITrackSteppingProgress progressTracker, ILinkToProjects project, DatasetFacade dataset)
: base(context)
{
{
Lokad.Enforce.Argument(() => progressTracker);
Lokad.Enforce.Argument(() => project);
Lokad.Enforce.Argument(() => dataset);
}
m_ProgressTracker = progressTracker;
m_Project = project;
m_Dataset = dataset;
m_Dataset.OnNameChanged += (s, e) =>
{
Notify(() => Name);
Notify(() => DisplayName);
};
m_Dataset.OnSummaryChanged += (s, e) => Notify(() => Summary);
m_Dataset.OnProgressOfCurrentAction += HandleDatasetProgress;
m_Dataset.OnDeactivated += (s, e) =>
{
Notify(() => IsActivated);
Notify(() => Endpoint);
RaiseOnDeactivated();
};
}
public ActivateDatasetCommand(
ILinkToProjects projectFacade,
DatasetFacade dataset,
Func <IEnumerable <DistributionSuggestion>, SelectedProposal> selector,
Func <string, IDisposable> timer)
: base(obj => OnActivate(projectFacade, dataset, selector, timer), obj => CanActivate(dataset))
{
}
private static bool CanShowTab(ILinkToProjects projectFacade)
{
// If there is no facade then we're in design mode or something
// else weird.
if (projectFacade == null)
{
return(false);
}
return(projectFacade.HasActiveProject());
}
private static bool CanCreateNewProject(ILinkToProjects projectFacade)
{
// If there is no project facade, then we're in
// designer mode, or something else silly.
if (projectFacade == null)
{
return(false);
}
return(projectFacade.CanCreateNewProject());
}
private static bool CanLoadProject(ILinkToProjects projectFacade)
{
// If there is no facade then we're in design mode or something
// else weird.
if (projectFacade == null)
{
return(false);
}
// return projectFacade.CanLoadProject();
return(false);
}
/// <summary>
/// Called when the existing project should be closed.
/// </summary>
/// <param name="projectFacade">
/// The object that contains the methods that allow interaction with
/// the project system.
/// </param>
/// <param name="timer">The function that creates and stores timing intervals.</param>
private static void OnCloseProject(ILinkToProjects projectFacade, Func <string, IDisposable> timer)
{
// If there is no project facade, then we're in
// designer mode, or something else silly.
if (projectFacade == null)
{
return;
}
using (timer("Unloading project"))
{
projectFacade.UnloadProject();
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ScriptHost"/> class.
/// </summary>
/// <param name="projects">The object that handles all the project related actions.</param>
/// <param name="appdomainBuilder">The function that creates a new <see cref="AppDomain"/> with the given name.</param>
/// <param name="scheduler">The scheduler that will be used to schedule tasks.</param>
/// <exception cref="ArgumentNullException">
/// Thrown if <paramref name="projects"/> is <see langword="null" />.
/// </exception>
/// <exception cref="ArgumentNullException">
/// Thrown if <paramref name="appdomainBuilder"/> is <see langword="null" />.
/// </exception>
public ScriptHost(
ILinkToProjects projects,
Func <string, AppDomainPaths, AppDomain> appdomainBuilder,
TaskScheduler scheduler = null)
{
{
Enforce.Argument(() => projects);
Enforce.Argument(() => appdomainBuilder);
}
m_Projects = new ScriptBackEndProjectHub(projects);
m_AppDomainBuilder = appdomainBuilder;
m_Scheduler = scheduler ?? TaskScheduler.Default;
}
/// <summary>
/// Called when a new child dataset should be added.
/// </summary>
/// <param name="projectFacade">The object that contains the methods that allow interaction with the project system.</param>
/// <param name="datasetFacade">The object that contains the methods that allow interaction with a dataset.</param>
/// <param name="timer">The function that creates and stores timing intervals.</param>
private static void OnAddNewChild(ILinkToProjects projectFacade, DatasetFacade datasetFacade, Func <string, IDisposable> timer)
{
// If there is no dataset facade, then we're in
// designer mode, or something else silly.
if (datasetFacade == null)
{
return;
}
using (timer("Add dataset to graph"))
{
datasetFacade.AddChild();
projectFacade.ActiveProject().History.Mark();
}
}
/// <summary>
/// Loads a new project.
/// </summary>
/// <param name="projectFacade">The object that contains the methods that allow interaction with the project system.</param>
/// <param name="persistenceInformation">The object that describes how the project was persisted.</param>
/// <param name="timer">The function that creates and stores timing intervals.</param>
private static void OnLoadProject(
ILinkToProjects projectFacade,
IPersistenceInformation persistenceInformation,
Func <string, IDisposable> timer)
{
// If there is no facade then we're in design mode or something
// else weird.
if (projectFacade == null)
{
return;
}
using (timer("Loading project"))
{
projectFacade.LoadProject(persistenceInformation);
}
}
private static bool ShouldSaveProject(ILinkToProjects projectFacade)
{
// If there is no facade then we're in design mode or something
// else weird.
if (projectFacade == null)
{
return(false);
}
if (!projectFacade.HasActiveProject())
{
return(false);
}
var project = projectFacade.ActiveProject();
return(project.ShouldSaveProject());
}
/// <summary>
/// Called when the dataset should be deactivated.
/// </summary>
/// <param name="projectFacade">The object that contains the methods that allow interaction with the project system.</param>
/// <param name="dataset">The dataset.</param>
/// <param name="timer">The function that creates and stores timing intervals.</param>
private static void OnDeactivate(ILinkToProjects projectFacade, DatasetFacade dataset, Func<string, IDisposable> timer)
{
// If there is no application facade, then we're in
// designer mode, or something else silly.
if (dataset == null)
{
return;
}
if (!dataset.IsActivated)
{
return;
}
using (timer("Unloading dataset"))
{
dataset.Deactivate();
projectFacade.ActiveProject().History.Mark();
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ScriptBackEndProjectHub"/> class.
/// </summary>
/// <param name="projects">The object that handles all the project activities.</param>
/// <exception cref="ArgumentNullException">
/// Thrown if <paramref name="projects"/> is <see langword="null" />.
/// </exception>
public ScriptBackEndProjectHub(ILinkToProjects projects)
{
{
Enforce.Argument(() => projects);
}
m_Projects = projects;
{
m_Projects.OnNewProjectLoaded +=
(s, e) =>
{
m_Current = null;
RaiseOnNewProjectLoaded();
};
m_Projects.OnProjectUnloaded +=
(s, e) =>
{
m_Current = null;
RaiseOnProjectUnloaded();
};
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ScriptBackEndProjectHub"/> class.
/// </summary>
/// <param name="projects">The object that handles all the project activities.</param>
/// <exception cref="ArgumentNullException">
/// Thrown if <paramref name="projects"/> is <see langword="null" />.
/// </exception>
public ScriptBackEndProjectHub(ILinkToProjects projects)
{
{
Enforce.Argument(() => projects);
}
m_Projects = projects;
{
m_Projects.OnNewProjectLoaded +=
(s, e) =>
{
m_Current = null;
RaiseOnNewProjectLoaded();
};
m_Projects.OnProjectUnloaded +=
(s, e) =>
{
m_Current = null;
RaiseOnProjectUnloaded();
};
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ShowProjectsTabCommand"/> class.
/// </summary>
/// <param name="context">The context that is used to execute actions on the UI thread.</param>
/// <param name="projectFacade">
/// The object that contains the methods that allow interaction
/// with the project system.
/// </param>
/// <param name="eventAggregator">The event aggregator.</param>
public ShowProjectsTabCommand(IContextAware context, ILinkToProjects projectFacade, IEventAggregator eventAggregator)
: base(obj => ShowTab(context, eventAggregator), obj => CanShowTab(projectFacade))
{
}
/// <summary>
/// Initializes a new instance of the <see cref="DeleteDatasetCommand"/> class.
/// </summary>
/// <param name="projectFacade">The object that contains the methods that allow interaction with the project system.</param>
/// <param name="datasetFacade">The object that contains the methods that allow interaction with a dataset.</param>
/// <param name="timer">The function that creates and stores timing intervals.</param>
public DeleteDatasetCommand(ILinkToProjects projectFacade, DatasetFacade datasetFacade, Func <string, IDisposable> timer)
: base(obj => OnDeleteDataset(projectFacade, datasetFacade, timer), obj => CanDeleteDataset(datasetFacade))
{
}
/// <summary>
/// Initializes a new instance of the <see cref="RedoCommand"/> class.
/// </summary>
/// <param name="projectFacade">
/// The object that contains the methods that allow interaction
/// with the project system.
/// </param>
/// <param name="timer">The function that creates and stores timing intervals.</param>
public RedoCommand(ILinkToProjects projectFacade, Func <string, IDisposable> timer)
: base(obj => OnRedo(projectFacade, timer), obj => CanRedo(projectFacade))
{
}
/// <summary>
/// Initializes a new instance of the <see cref="OpenProjectCommand"/> class.
/// </summary>
/// <param name="projectFacade">The object that contains the methods that allow interaction with the project system.</param>
/// <param name="timer">The function that creates and stores timing intervals.</param>
public OpenProjectCommand(ILinkToProjects projectFacade, Func <string, IDisposable> timer)
: base(obj => OnLoadProject(projectFacade, obj as IPersistenceInformation, timer), obj => CanLoadProject(projectFacade))
{
}
private static bool CanCloseProject(ILinkToProjects projectFacade)
{
// If there is no project facade, then we're in
// designer mode, or something else silly.
return(projectFacade != null && projectFacade.CanUnloadProject());
}
/// <summary>
/// Initializes a new instance of the <see cref="SaveProjectCommand"/> class.
/// </summary>
/// <param name="projectFacade">The object that contains the methods that allow interaction with the project system.</param>
/// <param name="timer">The function that creates and stores timing intervals.</param>
public SaveProjectCommand(ILinkToProjects projectFacade, Func <string, IDisposable> timer)
: base(obj => OnSaveProject(projectFacade, obj as IPersistenceInformation, timer), obj => ShouldSaveProject(projectFacade))
{
}
/// <summary>
/// Initializes a new instance of the <see cref="CloseProjectCommand"/> class.
/// </summary>
/// <param name="projectFacade">
/// The object that contains the methods that allow interaction
/// with the project system.
/// </param>
/// <param name="timer">The function that creates and stores timing intervals.</param>
public CloseProjectCommand(ILinkToProjects projectFacade, Func <string, IDisposable> timer)
: base(obj => OnCloseProject(projectFacade, timer), obj => CanCloseProject(projectFacade))
{
}
/// <summary>
/// Initializes a new instance of the <see cref="AddChildDatasetCommand"/> class.
/// </summary>
/// <param name="projectFacade">The object that contains the methods that allow interaction with the project system.</param>
/// <param name="datasetFacade">The object that contains the methods that allow interaction with a dataset.</param>
/// <param name="timer">The function that creates and stores timing intervals.</param>
public AddChildDatasetCommand(ILinkToProjects projectFacade, DatasetFacade datasetFacade, Func <string, IDisposable> timer)
: base(obj => OnAddNewChild(projectFacade, datasetFacade, timer), obj => CanAddNewChild(datasetFacade))
{
}
/// <summary>
/// Initializes a new instance of the <see cref="ScriptHost"/> class.
/// </summary>
/// <param name="projects">The object that handles all the project related actions.</param>
/// <param name="appdomainBuilder">The function that creates a new <see cref="AppDomain"/> with the given name.</param>
/// <param name="scheduler">The scheduler that will be used to schedule tasks.</param>
/// <exception cref="ArgumentNullException">
/// Thrown if <paramref name="projects"/> is <see langword="null" />.
/// </exception>
/// <exception cref="ArgumentNullException">
/// Thrown if <paramref name="appdomainBuilder"/> is <see langword="null" />.
/// </exception>
public ScriptHost(
ILinkToProjects projects,
Func<string, AppDomainPaths, AppDomain> appdomainBuilder,
TaskScheduler scheduler = null)
{
{
Enforce.Argument(() => projects);
Enforce.Argument(() => appdomainBuilder);
}
m_Projects = new ScriptBackEndProjectHub(projects);
m_AppDomainBuilder = appdomainBuilder;
m_Scheduler = scheduler ?? TaskScheduler.Default;
}
