/// <summary>
///
/// </summary>
/// <param name="parameters"></param>
/// <param name="updateStack"></param>
/// <param name="postProcess"></param>
private void DoInternalNavigate(IViewParameters parameters, Func <bool> updateStack, Action <object> postProcess)
{
// プラグインコンテキスト
var pluginContext = new ForwadingPluginContext();
// 遷移元画面遷移イベント
ViewForwardFrom(CurrentView, pluginContext);
// 前状態
var previousViewId = CurrentViewId;
var previousView = CurrentView;
// スタック更新
var restore = updateStack();
// イベント
var args = new ViewForwardEventArgs(CurrentViewId, previousViewId, previousView, parameters ?? EmptyParameters, restore);
// ナビゲーターイベント
if (Forwarding != null)
{
Forwarding(this, args);
}
// 遷移先画面遷移イベント
ViewForwardTo(CurrentView, args, CurrentRestoreParameter, pluginContext);
// 復帰情報クリア
CurrentRestoreParameter = null;
// 後処理
postProcess(previousView);
}
/// <summary>
///
/// </summary>
/// <param name="level"></param>
/// <param name="parameters"></param>
private void InternalPop(int level, IViewParameters parameters)
{
if ((level < 1) || (level > stacked.Count - 1))
{
throw new ArgumentOutOfRangeException("level");
}
if (!ConfirmNavigate(true))
{
return;
}
InternalNavigate(parameters, () =>
{
// 前画面破棄
ViewClose(CurrentView);
// 中間スタック破棄
for (var i = stacked.Count - 2; i >= stacked.Count - level; i--)
{
ViewClose(stacked[i].View);
DisposeView(stacked[i].View);
}
stacked.RemoveRange(stacked.Count - level, level);
return(true);
}, DisposeView);
}
/// <summary>
///
/// </summary>
/// <param name="id"></param>
/// <param name="parameters"></param>
private void InternalForward(object id, IViewParameters parameters)
{
if (!ConfirmNavigate(true))
{
return;
}
ViewInfo info;
if (!idToViewType.TryGetValue(id, out info))
{
return;
}
InternalNavigate(parameters, () =>
{
// 前画面破棄
ViewClose(CurrentView);
if (CurrentView != null)
{
stacked.RemoveAt(stacked.Count - 1);
}
// 新規スタック
stacked.Add(new StackInfo(info, CreateView(info.Type)));
return(false);
}, DisposeView);
}
/// <summary>
/// コンストラクタ
/// </summary>
/// <param name="viewId">遷移先ビューID</param>
/// <param name="previousViewId">遷移元ビューID</param>
/// <param name="previousView">遷移もとビューインスタンス</param>
/// <param name="parameters">パラメータ</param>
/// <param name="isRestore">復帰遷移判定</param>
public ViewForwardEventArgs(object viewId, object previousViewId, object previousView, IViewParameters parameters, bool isRestore)
{
ViewId = viewId;
PreviousViewId = previousViewId;
PreviousView = previousView;
Parameters = parameters;
IsRestore = isRestore;
}
/// <summary>
/// コンストラクタ
/// </summary>
/// <param name="viewId">遷移先ビューID</param>
/// <param name="previousViewId">遷移元ビューID</param>
/// <param name="previousView">遷移もとビューインスタンス</param>
/// <param name="parameters">パラメータ</param>
/// <param name="isRestore">復帰遷移判定</param>
public ViewForwardEventArgs(object viewId, object previousViewId, object previousView, IViewParameters parameters, bool isRestore)
{
ViewId = viewId;
PreviousViewId = previousViewId;
PreviousView = previousView;
Parameters = parameters;
IsRestore = isRestore;
}
/// <summary>
///
/// </summary>
/// <param name="id"></param>
/// <param name="parameters"></param>
private void InternalPush(object id, IViewParameters parameters)
{
if (!ConfirmNavigate(false))
{
return;
}
ViewInfo info;
if (!idToViewType.TryGetValue(id, out info))
{
return;
}
// グループ判定
var exist = false;
var first = -1;
var last = -1;
if ((info.Domain != null) && !Equals(CurrentViewDomain, info.Domain))
{
first = stacked.FindIndex(x => Equals(x.ViewInfo.Domain, info.Domain));
if (first >= 0)
{
last = stacked.FindLastIndex(x => Equals(x.ViewInfo.Domain, info.Domain));
exist = stacked.Skip(first).Take(last - first + 1).Any(x => Equals(x.ViewInfo.Id, info.Id));
}
}
InternalNavigate(parameters, () =>
{
// 前画面デアクティブ
CurrentRestoreParameter = ViewDeactive(CurrentView);
if (first >= 0)
{
// スタック入れ替え
var temp = new StackInfo[last - first + 1];
stacked.CopyTo(first, temp, 0, temp.Length);
for (var i = 0; i < stacked.Count - last - 1; i++)
{
stacked[i + first] = stacked[i + last + 1];
}
for (var i = 0; i < temp.Length; i++)
{
stacked[stacked.Count - temp.Length + i] = temp[i];
}
}
if (!exist)
{
// 新規スタック
stacked.Add(new StackInfo(info, CreateView(info.Type)));
}
return(false);
}, previousView => { });
}
/// <summary>
///
/// </summary>
/// <param name="parameters"></param>
/// <param name="updateStack"></param>
/// <param name="postProcess"></param>
private void InternalNavigate(IViewParameters parameters, Func <bool> updateStack, Action <object> postProcess)
{
if (provider.IsAsync)
{
provider.BeginInvoke((Action)(() => DoInternalNavigate(parameters, updateStack, postProcess)));
}
else
{
DoInternalNavigate(parameters, updateStack, postProcess);
}
}
/// <summary>
/// ビューへの通知
/// </summary>
/// <param name="msg">メッセージ</param>
/// <param name="parameters">パラメータ</param>
/// <returns>通知正否</returns>
public bool Notify(object msg, IViewParameters parameters)
{
var support = provider.ResolveEventTarget(CurrentView) as IViewNotifySupport;
if (support == null)
{
return(false);
}
support.OnViewNotify(this, new ViewNotifyEventArgs(msg, parameters ?? EmptyParameters));
return(true);
}
/// <summary>
///
/// </summary>
/// <param name="id"></param>
/// <param name="level"></param>
/// <param name="parameters"></param>
private void InternalPopAndForward(object id, int level, IViewParameters parameters)
{
if ((level < 1) || (level > stacked.Count))
{
throw new ArgumentOutOfRangeException("level");
}
if (!ConfirmNavigate(true))
{
return;
}
ViewInfo info;
if (!idToViewType.TryGetValue(id, out info))
{
return;
}
InternalNavigate(parameters, () =>
{
// 前画面破棄
ViewClose(CurrentView);
// 中間スタック破棄
for (var i = stacked.Count - 2; i >= stacked.Count - level; i--)
{
ViewClose(stacked[i].View);
DisposeView(stacked[i].View);
}
stacked.RemoveRange(stacked.Count - level, level);
// 新規スタック
stacked.Add(new StackInfo(info, CreateView(info.Type)));
return(false);
}, DisposeView);
}
/// <summary>
/// スタック型画面遷移(ポップフォワード)
/// </summary>
/// <param name="id">画面ID</param>
/// <param name="level">ポップ数</param>
/// <param name="parameters">パラメータ</param>
public void PopAndForward(object id, int level, IViewParameters parameters)
{
InternalPopAndForward(id, level, parameters);
}
/// <summary>
/// コンストラクタ
/// </summary>
/// <param name="msg">メッセージ</param>
/// <param name="paramters">パラメータ</param>
public ViewNotifyEventArgs(object msg, IViewParameters paramters)
{
Msg = msg;
Paramters = paramters;
}
/// <summary>
/// スタック型画面遷移(ポップ)
/// </summary>
/// <param name="level">ポップ数</param>
/// <param name="parameters">パラメータ</param>
public void Pop(int level, IViewParameters parameters)
{
InternalPop(level, parameters);
}
/// <summary>
/// スタック型画面遷移(ポップ)
/// </summary>
/// <param name="parameters">パラメータ</param>
public void Pop(IViewParameters parameters)
{
InternalPop(1, parameters);
}
/// <summary>
/// スタック型画面遷移(プッシュ)
/// </summary>
/// <param name="id">画面ID</param>
/// <param name="parameters">パラメータ</param>
public void Push(object id, IViewParameters parameters)
{
InternalPush(id, parameters);
}
/// <summary>
/// 画面遷移
/// </summary>
/// <param name="id">画面ID</param>
/// <param name="parameters">パラメータ</param>
public void Forward(object id, IViewParameters parameters)
{
InternalForward(id, parameters);
}
/// <summary>
/// コンストラクタ
/// </summary>
/// <param name="msg">メッセージ</param>
/// <param name="paramters">パラメータ</param>
public ViewNotifyEventArgs(object msg, IViewParameters paramters)
{
Msg = msg;
Paramters = paramters;
}
/// <summary>
/// スタック型画面遷移(ポップフォワード)
/// </summary>
/// <param name="id">画面ID</param>
/// <param name="parameters">パラメータ</param>
public void PopAndForward(object id, IViewParameters parameters)
{
InternalPopAndForward(id, stacked.Count, parameters);
}
