/// <summary>
/// <para>
/// Edits the value specified.
/// </para>
/// </summary>
/// <param name='context'>
/// An <see cref='System.ComponentModel.ITypeDescriptorContext'/> that specifies the context of the value to edit.
/// </param>
/// <param name=' provider'>
/// An <see cref='System.IServiceProvider'/> .
/// </param>
/// <param name=' value'>
/// The object to edit.
/// </param>
/// <returns>
/// <para>
/// The updated value.
/// </para>
/// </returns>
public override Object EditValue(ITypeDescriptorContext context, IServiceProvider provider, Object value)
{
IDesignerHost designerHost = (IDesignerHost)context.GetService(typeof(IDesignerHost));
Debug.Assert(designerHost != null, "Did not get DesignerHost service.");
Debug.Assert(context.Instance is ObjectList, "Expected objectlist");
ObjectList _objectList = (ObjectList)context.Instance;
ObjectListDesigner _designer = (ObjectListDesigner)designerHost.GetDesigner(_objectList);
Debug.Assert(_designer != null, "Did not get designer for component");
_designer.InvokePropertyBuilder(ObjectListComponentEditor.IDX_FIELDS);
return(value);
}
/// <summary>
/// <para>
/// Edits the value specified.
/// </para>
/// </summary>
/// <param name='context'>
/// An <see cref='System.ComponentModel.ITypeDescriptorContext'/> that specifies the context of the value to edit.
/// </param>
/// <param name=' provider'>
/// An <see cref='System.IServiceProvider'/> .
/// </param>
/// <param name=' value'>
/// The object to edit.
/// </param>
/// <returns>
/// <para>
/// The updated value.
/// </para>
/// </returns>
public override Object EditValue(ITypeDescriptorContext context, IServiceProvider provider, Object value)
{
Debug.Assert(context != null);
ObjectList objectList = context.Instance as ObjectList;
Debug.Assert(objectList != null);
ObjectListDesigner designer = GetDesigner(context) as ObjectListDesigner;
Debug.Assert(designer != null);
designer.InvokePropertyBuilder(ObjectListComponentEditor.IDX_GENERAL);
return(objectList.TableFields);
}
/// <summary>
/// Saves the component loaded into the page.
/// </summary>
protected override void SaveComponent()
{
ObjectList objectList = (ObjectList)GetBaseControl();
ObjectListDesigner objectListDesigner = (ObjectListDesigner)GetBaseDesigner();
try
{
int itemCount = 0;
if (_txtItemCount.Text.Length != 0)
{
itemCount = Int32.Parse(_txtItemCount.Text, CultureInfo.InvariantCulture);
}
objectList.ItemCount = itemCount;
}
catch (Exception)
{
_txtItemCount.Text = objectList.ItemCount.ToString(CultureInfo.InvariantCulture);
}
try
{
int itemsPerPage = 0;
if (_txtItemsPerPage.Text.Length != 0)
{
itemsPerPage = Int32.Parse(_txtItemsPerPage.Text, CultureInfo.InvariantCulture);
}
objectList.ItemsPerPage = itemsPerPage;
}
catch (Exception)
{
_txtItemsPerPage.Text = objectList.ItemsPerPage.ToString(CultureInfo.InvariantCulture);
}
objectList.BackCommandText = _txtBackCommandText.Text;
objectList.DetailsCommandText = _txtDetailsCommandText.Text;
objectList.MoreText = _txtMoreText.Text;
TypeDescriptor.Refresh(objectList);
}
private void LoadDataSourceFields()
{
using (new LoadingModeResource(this))
{
PropertyDescriptorCollection props = null;
ObjectListDesigner objectListDesigner = (ObjectListDesigner)GetBaseDesigner();
IEnumerable dataSource = ((IDataSourceProvider)objectListDesigner).GetResolvedSelectedDataSource();
if (dataSource != null)
{
props = DesignTimeData.GetDataFields(dataSource);
}
if (props != null)
{
foreach (PropertyDescriptor propDesc in props)
{
_cmbDataField.Items.Add(propDesc.Name);
}
}
}
}
/// <summary>
/// Saves the component loaded into the page.
/// </summary>
protected override void SaveComponent()
{
ObjectList objectList = (ObjectList)GetBaseControl();
ObjectListDesigner objectListDesigner = (ObjectListDesigner)GetBaseDesigner();
String labelField = String.Empty;
if (_cmbLabelField.IsSet())
{
labelField = (String)_cmbLabelField.SelectedItem;
}
objectList.LabelField = labelField;
String tableFields = String.Empty;
foreach (String field in _xLists.GetSelectedItems())
{
tableFields += (field + ";");
}
objectList.TableFields = tableFields;
if (_dataSourceDirty)
{
// save the datasource as a binding on the control
DataBindingCollection dataBindings = objectListDesigner.DataBindings;
if (_currentDataSource == null)
{
objectListDesigner.DataSource = String.Empty;
objectListDesigner.DataMember = String.Empty;
}
else
{
objectListDesigner.DataSource = _currentDataSource.ToString();
if (_cmbDataMember.IsSet())
{
objectListDesigner.DataMember = (String)_cmbDataMember.SelectedItem;
}
else
{
objectListDesigner.DataMember = String.Empty;
}
}
objectListDesigner.OnDataSourceChanged();
}
try
{
int itemCount = 0;
if (_txtItemCount.Text.Length != 0)
{
itemCount = Int32.Parse(_txtItemCount.Text, CultureInfo.InvariantCulture);
}
objectList.ItemCount = itemCount;
}
catch (Exception)
{
_txtItemCount.Text = objectList.ItemCount.ToString();
}
try
{
int itemsPerPage = 0;
if (_txtItemsPerPage.Text.Length != 0)
{
itemsPerPage = Int32.Parse(_txtItemsPerPage.Text, CultureInfo.InvariantCulture);
}
objectList.ItemsPerPage = itemsPerPage;
}
catch (Exception)
{
_txtItemsPerPage.Text = objectList.ItemsPerPage.ToString();
}
objectList.BackCommandText = _txtBackCommandText.Text;
objectList.DetailsCommandText = _txtDetailsCommandText.Text;
objectList.MoreText = _txtMoreText.Text;
TypeDescriptor.Refresh(objectList);
}
/// <summary>
/// Loads the component into the page.
/// </summary>
protected override void LoadComponent()
{
InitPage();
ObjectList objectList = (ObjectList)GetBaseControl();
LoadDataSourceItems();
if (_cmbDataSource.Items.Count > 0)
{
ObjectListDesigner objectListDesigner = (ObjectListDesigner)GetBaseDesigner();
String dataSourceValue = objectListDesigner.DataSource;
if (dataSourceValue != null)
{
int dataSourcesAvailable = _cmbDataSource.Items.Count;
// 0 is for 'NotSet' case.
for (int j = 1; j < dataSourcesAvailable; j++)
{
DataSourceItem dataSourceItem =
(DataSourceItem)_cmbDataSource.Items[j];
if (String.Compare(dataSourceItem.Name, dataSourceValue, true, CultureInfo.InvariantCulture) == 0)
{
_cmbDataSource.SelectedIndex = j;
_currentDataSource = dataSourceItem;
LoadDataMembers();
if (_currentDataSource is ListSourceDataSourceItem)
{
String dataMember = objectListDesigner.DataMember;
_cmbDataMember.SelectedIndex = _cmbDataMember.FindStringExact(dataMember);
if (_cmbDataMember.IsSet())
{
((ListSourceDataSourceItem)_currentDataSource).CurrentDataMember = dataMember;
}
}
LoadDataSourceFields();
break;
}
}
}
}
String _labelField = objectList.LabelField;
if (_labelField.Length != 0)
{
int textFieldIndex = _cmbLabelField.FindStringExact(_labelField);
_cmbLabelField.SelectedIndex = textFieldIndex;
}
_txtItemCount.Text = objectList.ItemCount.ToString();
_txtItemsPerPage.Text = objectList.ItemsPerPage.ToString();
_txtBackCommandText.Text = objectList.BackCommandText;
_txtDetailsCommandText.Text = objectList.DetailsCommandText;
_txtMoreText.Text = objectList.MoreText;
UpdateEnabledVisibleState();
}
