// Updates the parameters collection associated with the specified property name
private static void SetParameters(string propertyName, EntityDataSourceDesigner designer, ParameterCollection parameters)
{
switch (propertyName)
{
case "CommandText":
designer.SetCommandParameterContents(parameters);
break;
case "OrderBy":
designer.SetOrderByParameterContents(parameters);
break;
case "Select":
designer.SetSelectParameterContents(parameters);
break;
case "Where":
designer.SetWhereParameterContents(parameters);
break;
default:
Debug.Fail("Unknown property name in EntityDataSourceStatementEditor: " + propertyName);
break;
}
}
public EntityDataSourceWizardForm(IServiceProvider serviceProvider, EntityDataSourceState entityDataSourceState, EntityDataSourceDesigner entityDataSourceDesigner)
: base(serviceProvider)
{
_entityDataSourceState = entityDataSourceState;
this.SetGlyph(new Bitmap(BitmapSelector.GetResourceStream(typeof(EntityDataSourceWizardForm), "EntityDataSourceWizard.bmp")));
this.Text = String.Format(CultureInfo.InvariantCulture, Strings.Wizard_Caption(((EntityDataSource)entityDataSourceDesigner.Component).ID));
_helper = entityDataSourceDesigner.Helper;
EntityDataSourceConfigureObjectContextPanel contextPanel = new EntityDataSourceConfigureObjectContextPanel();
_configureContext = new EntityDataSourceConfigureObjectContext(contextPanel, this, entityDataSourceDesigner.Helper, _entityDataSourceState);
EntityDataSourceDataSelectionPanel dataPanel = new EntityDataSourceDataSelectionPanel();
_configureDataSelection = new EntityDataSourceDataSelection(dataPanel, this, entityDataSourceDesigner.Helper, _entityDataSourceState);
_configureContext.ContainerNameChanged += _configureDataSelection.ContainerNameChangedHandler;
_configureContext.LoadState();
_configureDataSelection.LoadState();
// Adds the panels to the wizard
SetPanels(new WizardPanel[] {
contextPanel,
dataPanel});
}
// Determines if the specified property is one that has an associated "AutoGenerateXXXClause" property
private static bool GetAutoGen(string operation, EntityDataSourceDesigner entityDataSourceDesigner)
{
if (String.Equals("Where", operation, StringComparison.Ordinal))
{
return entityDataSourceDesigner.AutoGenerateWhereClause;
}
else if (String.Equals("OrderBy", operation, StringComparison.Ordinal))
{
return entityDataSourceDesigner.AutoGenerateOrderByClause;
}
return false;
}
// Determines if the specified property is one that has an associated "AutoGenerateXXXClause" property
private static bool GetAutoGen(string operation, EntityDataSourceDesigner entityDataSourceDesigner)
{
if (String.Equals("Where", operation, StringComparison.Ordinal))
{
return(entityDataSourceDesigner.AutoGenerateWhereClause);
}
else if (String.Equals("OrderBy", operation, StringComparison.Ordinal))
{
return(entityDataSourceDesigner.AutoGenerateOrderByClause);
}
return(false);
}
// Configures and displays the editor dialog based on the specified property name
private bool Initialize(EntityDataSourceDesigner designer, EntityDataSource entityDataSource, string propertyName, IServiceProvider serviceProvider, string statement)
{
string propertyParameters = GetOperationParameterProperty(propertyName);
string autoGenProperty = GetOperationAutoGenerateProperty(propertyName);
bool hasAutoGen = (autoGenProperty != null);
bool autoGen = GetAutoGen(propertyName, designer);
ParameterCollection parameters = GetParameters(propertyName, designer);
string label = GetStatementLabel(propertyName, false);
string accessibleName = GetStatementLabel(propertyName, true);
string helpTopic = GetHelpTopic(propertyName);
EntityDataSourceStatementEditorForm form = new EntityDataSourceStatementEditorForm(entityDataSource, serviceProvider,
hasAutoGen, autoGen, propertyName, label, accessibleName, helpTopic, statement, parameters);
DialogResult result = UIHelper.ShowDialog(serviceProvider, form);
if (result == DialogResult.OK)
{
// We use the property descriptors to reset the values to
// make sure we clear out any databindings or expressions that
// may be set.
PropertyDescriptor propDesc = null;
if (autoGenProperty != null)
{
propDesc = TypeDescriptor.GetProperties(entityDataSource)[autoGenProperty];
propDesc.ResetValue(entityDataSource);
propDesc.SetValue(entityDataSource, form.AutoGen);
}
if (propertyName != null)
{
propDesc = TypeDescriptor.GetProperties(entityDataSource)[propertyName];
propDesc.ResetValue(entityDataSource);
propDesc.SetValue(entityDataSource, form.Statement);
}
if (propertyParameters != null)
{
SetParameters(propertyName, designer, form.Parameters);
}
return(true);
}
else
{
return(false);
}
}
private bool EditQueryChangeCallback(object pair)
{
// pair.First is a wrapper that contains the EntityDataSource instance and property name being edited
// pair.Second contains the value of the property being edited
ITypeDescriptorContext context = (ITypeDescriptorContext)((Pair)pair).First;
string value = (string)((Pair)pair).Second;
EntityDataSource entityDataSource = (EntityDataSource)context.Instance;
IServiceProvider serviceProvider = entityDataSource.Site;
IDesignerHost designerHost = (IDesignerHost)serviceProvider.GetService(typeof(IDesignerHost));
Debug.Assert(designerHost != null, "Did not get DesignerHost service.");
EntityDataSourceDesigner designer = (EntityDataSourceDesigner)designerHost.GetDesigner(entityDataSource);
// Configure the dialog for the specified property and display it
return(Initialize(designer, entityDataSource, context.PropertyDescriptor.Name, serviceProvider, value));
}
// Gets a clone of the parameters collection associated with the specified property name
private static ParameterCollection GetParameters(string propertyName, EntityDataSourceDesigner designer)
{
switch (propertyName)
{
case "CommandText":
return(designer.CloneCommandParameters());
case "OrderBy":
return(designer.CloneOrderByParameters());
case "Select":
return(designer.CloneSelectParameters());
case "Where":
return(designer.CloneWhereParameters());
default:
Debug.Fail("Unknown property name in EntityDataSourceStatementEditor: " + propertyName);
return(null);
}
}
// Configures and displays the editor dialog based on the specified property name
private bool Initialize(EntityDataSourceDesigner designer, EntityDataSource entityDataSource, string propertyName, IServiceProvider serviceProvider, string statement)
{
string propertyParameters = GetOperationParameterProperty(propertyName);
string autoGenProperty = GetOperationAutoGenerateProperty(propertyName);
bool hasAutoGen = (autoGenProperty != null);
bool autoGen = GetAutoGen(propertyName, designer);
ParameterCollection parameters = GetParameters(propertyName, designer);
string label = GetStatementLabel(propertyName, false);
string accessibleName = GetStatementLabel(propertyName, true);
string helpTopic = GetHelpTopic(propertyName);
EntityDataSourceStatementEditorForm form = new EntityDataSourceStatementEditorForm(entityDataSource, serviceProvider,
hasAutoGen, autoGen, propertyName, label, accessibleName, helpTopic, statement, parameters);
DialogResult result = UIHelper.ShowDialog(serviceProvider, form);
if (result == DialogResult.OK)
{
// We use the property descriptors to reset the values to
// make sure we clear out any databindings or expressions that
// may be set.
PropertyDescriptor propDesc = null;
if (autoGenProperty != null)
{
propDesc = TypeDescriptor.GetProperties(entityDataSource)[autoGenProperty];
propDesc.ResetValue(entityDataSource);
propDesc.SetValue(entityDataSource, form.AutoGen);
}
if (propertyName != null)
{
propDesc = TypeDescriptor.GetProperties(entityDataSource)[propertyName];
propDesc.ResetValue(entityDataSource);
propDesc.SetValue(entityDataSource, form.Statement);
}
if (propertyParameters != null)
{
SetParameters(propertyName, designer, form.Parameters);
}
return true;
}
else
{
return false;
}
}
// Updates the parameters collection associated with the specified property name
private static void SetParameters(string propertyName, EntityDataSourceDesigner designer, ParameterCollection parameters)
{
switch (propertyName)
{
case "CommandText":
designer.SetCommandParameterContents(parameters);
break;
case "OrderBy":
designer.SetOrderByParameterContents(parameters);
break;
case "Select":
designer.SetSelectParameterContents(parameters);
break;
case "Where":
designer.SetWhereParameterContents(parameters);
break;
default:
Debug.Fail("Unknown property name in EntityDataSourceStatementEditor: " + propertyName);
break;
}
}
// Gets a clone of the parameters collection associated with the specified property name
private static ParameterCollection GetParameters(string propertyName, EntityDataSourceDesigner designer)
{
switch (propertyName)
{
case "CommandText":
return designer.CloneCommandParameters();
case "OrderBy":
return designer.CloneOrderByParameters();
case "Select":
return designer.CloneSelectParameters();
case "Where":
return designer.CloneWhereParameters();
default:
Debug.Fail("Unknown property name in EntityDataSourceStatementEditor: " + propertyName);
return null;
}
}
public EntityDesignerDataSourceView(EntityDataSourceDesigner owner)
: base(owner, EntityDataSourceDesignerHelper.DefaultViewName)
{
_helper = owner.Helper;
}
public EntityDataSourceWizardForm(IServiceProvider serviceProvider, EntityDataSourceState entityDataSourceState, EntityDataSourceDesigner entityDataSourceDesigner)
: base(serviceProvider)
{
_entityDataSourceState = entityDataSourceState;
this.SetGlyph(new Bitmap(BitmapSelector.GetResourceStream(typeof(EntityDataSourceWizardForm), "EntityDataSourceWizard.bmp")));
this.Text = String.Format(CultureInfo.InvariantCulture, Strings.Wizard_Caption(((EntityDataSource)entityDataSourceDesigner.Component).ID));
_helper = entityDataSourceDesigner.Helper;
EntityDataSourceConfigureObjectContextPanel contextPanel = new EntityDataSourceConfigureObjectContextPanel();
_configureContext = new EntityDataSourceConfigureObjectContext(contextPanel, this, entityDataSourceDesigner.Helper, _entityDataSourceState);
EntityDataSourceDataSelectionPanel dataPanel = new EntityDataSourceDataSelectionPanel();
_configureDataSelection = new EntityDataSourceDataSelection(dataPanel, this, entityDataSourceDesigner.Helper, _entityDataSourceState);
_configureContext.ContainerNameChanged += _configureDataSelection.ContainerNameChangedHandler;
_configureContext.LoadState();
_configureDataSelection.LoadState();
// Adds the panels to the wizard
SetPanels(new WizardPanel[] {
contextPanel,
dataPanel
});
}
public EntityDesignerDataSourceView(EntityDataSourceDesigner owner)
: base(owner, EntityDataSourceDesignerHelper.DefaultViewName)
{
_helper = owner.Helper;
}
internal EntityDataSourceDesignerHelper(EntityDataSource entityDataSource, bool interactiveMode)
{
Debug.Assert(entityDataSource != null, "null entityDataSource");
_entityDataSource = entityDataSource;
_interactiveMode = interactiveMode;
_canLoadWebConfig = true;
IServiceProvider serviceProvider = _entityDataSource.Site;
if (serviceProvider != null)
{
// Get the designer instance associated with the specified data source control
IDesignerHost designerHost = (IDesignerHost)serviceProvider.GetService(typeof(IDesignerHost));
if (designerHost != null)
{
_owner = designerHost.GetDesigner(this.EntityDataSource) as EntityDataSourceDesigner;
}
// Get other services used to determine design-time information
_webApplication = serviceProvider.GetService(typeof(IWebApplication)) as IWebApplication;
}
Debug.Assert(_owner != null, "expected non-null owner");
Debug.Assert(_webApplication != null, "expected non-null web application service");
}
