/// <summary>
/// Activates the smartPart on the workspace.
/// </summary>
/// <param name="smartPart">The smart part to activate.</param>
/// <exception cref="ArgumentException">The smartPart
/// was not previously shown in the workspace.</exception>
/// <exception cref="ArgumentException">The smartPart cannot be
/// assigned to TSmartPart.</exception>
/// <remarks>
/// <see cref="OnActivate"/> and <see cref="SmartPartActivated"/>
/// wil only be called if the smartPart is different than the
/// <see cref="ActiveSmartPart"/>.
/// </remarks>
public bool Activate(object smartPart)
{
Guard.ArgumentNotNull(smartPart, "smartPart");
ThrowIfUnsupportedSP(smartPart);
ThrowIfSmartPartNotShownPreviously((TSmartPart)smartPart);
if (activeSmartPart != smartPart)
{
if (!_suppressSmartPartActivating)
{
WorkspaceCancelEventArgs e = RaiseSmartPartActivating(smartPart);
if (e.Cancel)
{
return(false);
}
}
OnActivate((TSmartPart)smartPart);
activeSmartPart = smartPart;
RaiseSmartPartActivated(smartPart);
}
return(true);
}
/// <summary>
/// Raises the <see cref="SmartPartClosing"/> event using the specified
/// event argument.
/// </summary>
/// <param name="e">The arguments to pass to the event.</param>
protected void RaiseSmartPartClosing(WorkspaceCancelEventArgs e)
{
if (this.SmartPartClosing != null)
{
this.SmartPartClosing(this, e);
}
}
/// <summary>
/// Raises the <see cref="SmartPartClosing"/> event.
/// </summary>
/// <param name="smartPart">The smart part that is being closed.</param>
protected WorkspaceCancelEventArgs RaiseSmartPartClosing(object smartPart)
{
WorkspaceCancelEventArgs cancelArgs = new WorkspaceCancelEventArgs(smartPart);
RaiseSmartPartClosing(cancelArgs);
return(cancelArgs);
}
/// <summary>
/// Closes the smart part and resets (sets to null) the <see cref="ActiveSmartPart"/>.
/// </summary>
/// <exception cref="ArgumentException">The smartPart
/// was not previously shown in the workspace.</exception>
/// <exception cref="ArgumentException">The smartPart cannot be
/// assigned to TSmartPart.</exception>
public void Close(object smartPart)
{
Guard.ArgumentNotNull(smartPart, "smartPart");
ThrowIfUnsupportedSP(smartPart);
ThrowIfSmartPartNotShownPreviously((TSmartPart)smartPart);
WorkspaceCancelEventArgs cancelArgs = RaiseSmartPartClosing(smartPart);
if (cancelArgs.Cancel == false)
{
CloseInternal((TSmartPart)smartPart);
}
}
/// <summary>
/// Shows SmartPart using the given <see cref="ISmartPartInfo"/>.
/// </summary>
/// <exception cref="ArgumentException">The smartPart cannot be
/// assigned to TSmartPart.</exception>
/// <remarks>
/// If the smartPart was previously shown,
/// <see cref="ApplySmartPartInfo"/> and <see cref="Activate"/> will be called.
/// Otherwise, <see cref="OnShow"/> is called.
/// </remarks>
public bool Show(object smartPart, ISmartPartInfo smartPartInfo)
{
Guard.ArgumentNotNull(smartPart, "smartPart");
Guard.ArgumentNotNull(smartPartInfo, "smartPartInfo");
ThrowIfUnsupportedSP(smartPart);
TSmartPartInfo typedInfo = GetSupportedSPI(smartPartInfo);
TSmartPart typedSmartPart = (TSmartPart)smartPart;
if (smartParts.Contains(typedSmartPart))
{
ApplySmartPartInfo(smartPart, smartPartInfo);
return(Activate(smartPart));
}
else
{
WorkspaceCancelEventArgs e = RaiseSmartPartActivating(smartPart);
if (e.Cancel)
{
return(false);
}
smartParts.Add(typedSmartPart);
_suppressSmartPartActivating = true;
try
{
OnShow(typedSmartPart, typedInfo);
}
finally
{
_suppressSmartPartActivating = false;
}
return(true);
}
}
/// <summary>
/// 数据列表关闭事件
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="Microsoft.Practices.CompositeUI.SmartParts.WorkspaceCancelEventArgs"/> instance containing the event data.</param>
private void DataList_SmartPartClosing(object sender, WorkspaceCancelEventArgs e)
{
AuthorizationAttribute[] attrs = (AuthorizationAttribute[])e.SmartPart.GetType().GetCustomAttributes(typeof(AuthorizationAttribute), true);
if (attrs.Length > 0) {
try {
StoreLayout((Control)e.SmartPart, attrs[0]);
}
catch { }
}
}
void OnSmartPartClosingEvent(object sender, WorkspaceCancelEventArgs e)
{
composedWorkspace.RaiseSmartPartClosing(e);
}
void WorkspaceComposer_SmartPartActivating(object sender, WorkspaceCancelEventArgs e)
{
composedWorkspace.RaiseSmartPartActivating(e);
}
private void contentWorkspace_SmartPartActivating(object sender, WorkspaceCancelEventArgs e)
{
//uncomment this code to see how you can use the SmartPartActivating event to optionally cancel smart part activations
//NOTE: IWorkspace.SmartPartActivating is not a standard part of CAB, so note that you will be tying yourself to this implementation
//of CAB. I had to add this event myself for my own benefit
//if (MessageBox.Show("Navigate to '" + e.SmartPart + "'?", "Confirm Navigation", MessageBoxButton.YesNo, MessageBoxImage.Question) == MessageBoxResult.No)
//{
// e.Cancel = true;
//}
}
