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WindowViewBase.cs

Language: C#
Last Modified: 2020-06-27 1:58:34 PM UTC
File Size: 4629 bytes
http://www.penguinstew.ca/example/MVVMbase/ViewBase/WindowViewBase.cs
���usingSystem;
usingSystemWindows;
usingPenguinMVVMBaseViewModelBase;
namespacePenguinMVVMBaseViewBase
{
<summary>
ThebaseclassforWindowviews
<summary>
publicabstractclassWindowViewBase:Window
{
regionVariables
<summary>
ViewModelforthisview
<summary>
protectedIWindowViewModelm_viewModel;
endregion
regionConstructor
<summary>
Parameterlessconstructorfordesignview
<summary>
publicWindowViewBase:thisnewWindowViewModelBase{}
<summary>
BaseconstructortakesviewModelasanargumentandsetsupeventhandlers
<summary>
<paramname=viewModel>TheviewModelforthisview<param>
publicWindowViewBaseIWindowViewModelviewModel
{
m_viewModel=viewModel;
thisDataContext=m_viewModel;
Setupeventhandlers
m_viewModelViewRequested=m_viewModel_ViewRequested;
m_viewModelMsgBoxRequested=m_viewModel_MsgBoxRequested;
thisLoaded=View_Loaded;
}
endregion
regionEventHandlers
<summary>
EventhandlerfortheLoadedevent
<summary>
privatevoidView_LoadedobjectsenderRoutedEventArgse
{
Calltheloadedmethodontheviewmodeltodealwiththeviewbeingloaded
m_viewModelViewLoadedsendere;
return;
}
<summary>
EventhandlerforViewRequestedoverwrittenforviewstohandlespecificviewModels
<summary>
<paramname=sender>TheviewModelrequestingtheview<param>
<paramname=e>RequestViewArgscontainingtheViewModeltouse<param>
protectedvirtualvoidm_viewModel_ViewRequestedobjectsenderRequestViewArgse
{
Defaultimplementationdonothing
return;
}
<summary>
EventhandlerforMsgBoxRequestedcreatesaMessageBoxwithgivenparameters
<summary>
<paramname=sender>TheviewModelrequestingtheview<param>
<paramname=e>RequestMsgBoxArgscontainingtheMessageBoxoptions<param>
protectedvoidm_viewModel_MsgBoxRequestedobjectsenderRequestMsgBoxArgse
{
MessageBoxResultresult=MessageBoxShoweMessageBoxTexteMessageBoxCaption
eMessageBoxButtonseMessageBoxIcon;
ifeCallback=null
{
eCallbackresult;
}
}
<summary>
HandlestheClosedeventoftherequestedwindowview
InformstherequestingviewModeloftheclosure
<summary>
<paramname=sender>Therequestedviewwindow<param>
<paramname=e>EventArgs<param>
privatevoidView_ClosedobjectsenderEventArgse
{
WindowViewBaseview=senderasWindowViewBase;
ifview=null
{
Calltherequestedviewclosedmethodreturnisalwaysfalseforwindows
m_viewModelRequestedViewClosedIWindowViewModelviewDataContextfalse;
}
}
endregion
regionProtectedMethods
<summary>
Opensthegivenview
<summary>
<paramname=view><param>
protectedvoidOpenViewWindowViewBaseview
{
viewOwner=this;
ifviewisDialogViewBase
{
IfviewisbasedonDialogbaseopenitwithShowDialog
bool?result=viewShowDialog;
Callrequestedviewclosedwiththeresultorfalseifnovalue
ifresultHasValue
{
m_viewModelRequestedViewClosedIWindowViewModelviewDataContextresultValue;
}
else
{
m_viewModelRequestedViewClosedIWindowViewModelviewDataContextfalse;
}
}
else
{
Elseassumeitsawindowandopenitwithshow
viewClosed=View_Closed;
viewShow;
}
}
endregion
}
}
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