/// <summary>
/// Initializes a new instance of the <see cref="SearchViewModelBase"/> class.
/// </summary>
/// <param name="accessControlManager">The access control manager.</param>
/// <param name="commandFactory">The command factory.</param>
/// <param name="advancedSearchCriteriaBase">The advanced search criteria base.</param>
protected SearchViewModelBase(
IAccessControlManager accessControlManager,
ICommandFactory commandFactory,
AdvancedSearchCriteriaBase advancedSearchCriteriaBase)
: this(accessControlManager, commandFactory, advancedSearchCriteriaBase, true)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="SearchViewModelBase"/> class.
/// </summary>
/// <param name="accessControlManager">The access control manager.</param>
/// <param name="commandFactory">The command factory.</param>
/// <param name="advancedSearchCriteriaBase">The advanced search criteria base.</param>
/// <param name="handleQuickSearchChanged">If set to <c>true</c> [handle quick search changed].</param>
protected SearchViewModelBase(
IAccessControlManager accessControlManager,
ICommandFactory commandFactory,
AdvancedSearchCriteriaBase advancedSearchCriteriaBase,
bool handleQuickSearchChanged)
: base(accessControlManager, commandFactory)
{
// TODO: Hard-coded constant.
_numOfFieldsRequiredForAdvancedSearch = 1;
_minimumQuickSearchCriteriaLength = 3;
_throttleInMilliseconds = 0; // Throttle causes all kinds of tricky usability issues
_searchResults = null;
_pageSize = 0;
_totalItemCount = 0;
_pageIndex = -1;
var commandFactoryHelper = CreateCommandFactoryHelper(commandFactory);
RunAdvancedSearchCommand = commandFactoryHelper.BuildDelegateCommand(
() => RunAdvancedSearchCommand, ExecuteRunAdvancedSearch, CanExecuteRunAdvancedSearch);
ResetAdvancedSearchCommand = commandFactoryHelper.BuildDelegateCommand(() => ResetAdvancedSearchCommand, ExecuteResetAdvancedSearch);
InternalSelectionChangedCommand = commandFactoryHelper.BuildDelegateCommand <object> (
() => InternalSelectionChangedCommand, ExecuteInternalSelectionChangedCommand);
ClearSelectedItemCommand = commandFactoryHelper.BuildDelegateCommand(() => ClearSelectedItemCommand, ExecuteClearSelectedItemCommand);
SearchAbortedCommand = commandFactoryHelper.BuildDelegateCommand(() => SearchAbortedCommand, ExecuteSearchAbortedCommand);
AddNewCommand = commandFactoryHelper.BuildDelegateCommand(() => AddNewCommand, ExecuteAddNewCommand, CanExecuteAddNewCommand);
if (handleQuickSearchChanged)
{
HandleQuickSearchCriteriaChangedEventDeclaratively();
}
else
{
ManualSearchCommand = new DelegateCommand(ExecuteManualSearchCommand, CanExecuteManualSearchCommand);
var input =
(
from evt in Observable.FromEventPattern <PropertyChangedEventArgs> (this, "PropertyChanged")
where evt.EventArgs.PropertyName == PropertyUtil.ExtractPropertyName(() => QuickSearchCriteria)
select(( SearchViewModelBase )evt.Sender).QuickSearchCriteria
);
var inputSubscription = input.ObserveOnDispatcher()
.Subscribe(
search => { (ManualSearchCommand as DelegateCommand).RaiseCanExecuteChanged(); }
);
}
_advancedSearchCriteria = advancedSearchCriteriaBase;
var advancedSearchCriteriaPropertyChangedEvent =
from evt in
Observable.FromEventPattern <PropertyChangedEventArgs> (_advancedSearchCriteria, "PropertyChanged")
select evt.ToString();
var advancedSearchCriteriaPropertyChangedEventSubscription = advancedSearchCriteriaPropertyChangedEvent
.ObserveOnDispatcher().Subscribe(
(arg) => { (RunAdvancedSearchCommand as DelegateCommandBase).RaiseCanExecuteChanged(); }
);
}
/// <summary>
/// Initializes a new instance of the <see cref="SearchViewModelBase"/> class.
/// </summary>
/// <param name="accessControlManager">The access control manager.</param>
/// <param name="commandFactory">The command factory.</param>
/// <param name="advancedSearchCriteriaBase">The advanced search criteria base.</param>
/// <param name="handleQuickSearchChanged">If set to <c>true</c> [handle quick search changed].</param>
protected SearchViewModelBase(
IAccessControlManager accessControlManager,
ICommandFactory commandFactory,
AdvancedSearchCriteriaBase advancedSearchCriteriaBase,
bool handleQuickSearchChanged )
: base(accessControlManager, commandFactory)
{
// TODO: Hard-coded constant.
_numOfFieldsRequiredForAdvancedSearch = 1;
_minimumQuickSearchCriteriaLength = 3;
_throttleInMilliseconds = 0; // Throttle causes all kinds of tricky usability issues
_searchResults = null;
_pageSize = 0;
_totalItemCount = 0;
_pageIndex = -1;
var commandFactoryHelper = CreateCommandFactoryHelper ( commandFactory );
RunAdvancedSearchCommand = commandFactoryHelper.BuildDelegateCommand (
() => RunAdvancedSearchCommand, ExecuteRunAdvancedSearch, CanExecuteRunAdvancedSearch );
ResetAdvancedSearchCommand = commandFactoryHelper.BuildDelegateCommand ( () => ResetAdvancedSearchCommand, ExecuteResetAdvancedSearch );
InternalSelectionChangedCommand = commandFactoryHelper.BuildDelegateCommand<object> (
() => InternalSelectionChangedCommand, ExecuteInternalSelectionChangedCommand );
ClearSelectedItemCommand = commandFactoryHelper.BuildDelegateCommand ( () => ClearSelectedItemCommand, ExecuteClearSelectedItemCommand );
SearchAbortedCommand = commandFactoryHelper.BuildDelegateCommand ( () => SearchAbortedCommand, ExecuteSearchAbortedCommand );
AddNewCommand = commandFactoryHelper.BuildDelegateCommand ( () => AddNewCommand, ExecuteAddNewCommand, CanExecuteAddNewCommand );
if ( handleQuickSearchChanged )
{
HandleQuickSearchCriteriaChangedEventDeclaratively ();
}
else
{
ManualSearchCommand = new DelegateCommand ( ExecuteManualSearchCommand, CanExecuteManualSearchCommand );
var input =
(
from evt in Observable.FromEventPattern<PropertyChangedEventArgs> ( this, "PropertyChanged" )
where evt.EventArgs.PropertyName == PropertyUtil.ExtractPropertyName ( () => QuickSearchCriteria )
select ( ( SearchViewModelBase )evt.Sender ).QuickSearchCriteria
);
var inputSubscription = input.ObserveOnDispatcher ()
.Subscribe (
search => { ( ManualSearchCommand as DelegateCommand ).RaiseCanExecuteChanged (); }
);
}
_advancedSearchCriteria = advancedSearchCriteriaBase;
var advancedSearchCriteriaPropertyChangedEvent =
from evt in
Observable.FromEventPattern<PropertyChangedEventArgs> ( _advancedSearchCriteria, "PropertyChanged" )
select evt.ToString ();
var advancedSearchCriteriaPropertyChangedEventSubscription = advancedSearchCriteriaPropertyChangedEvent
.ObserveOnDispatcher ().Subscribe (
( arg ) => { ( RunAdvancedSearchCommand as DelegateCommandBase ).RaiseCanExecuteChanged (); }
);
}
/// <summary>
/// Initializes a new instance of the <see cref="SearchViewModelBase"/> class.
/// </summary>
/// <param name="accessControlManager">The access control manager.</param>
/// <param name="commandFactory">The command factory.</param>
/// <param name="advancedSearchCriteriaBase">The advanced search criteria base.</param>
protected SearchViewModelBase(
IAccessControlManager accessControlManager,
ICommandFactory commandFactory,
AdvancedSearchCriteriaBase advancedSearchCriteriaBase )
: this(accessControlManager, commandFactory, advancedSearchCriteriaBase, true)
{
}
