/// <summary>
/// Creates a control-list item.
/// </summary>
/// <param name="childControls">The item content.</param>
/// <param name="id">The ID of the item. This is required if you're adding the item on an intermediate post-back or want to remove the item on an
/// intermediate post-back. Do not pass null.</param>
/// <param name="updateRegionSet">The intermediate-post-back update-region set that this item will be a part of.</param>
/// <param name="removalUpdateRegionSet">The intermediate-post-back update-region set that this item's removal will be a part of.</param>
public ControlListItem( IEnumerable<Control> childControls, string id, UpdateRegionSet updateRegionSet = null, UpdateRegionSet removalUpdateRegionSet = null )
{
ChildControls = childControls;
Id = id;
UpdateRegionSet = updateRegionSet;
RemovalUpdateRegionSet = removalUpdateRegionSet;
}
private IEnumerable<Control> getBasicRegionBlocks()
{
var rs = new UpdateRegionSet();
var pb = PostBack.CreateIntermediate( rs.ToSingleElementArray(), DataUpdate, id: "basic" );
yield return new Paragraph( new PostBackButton( pb, new ButtonActionControlStyle( "Toggle Basic Region Below" ), usesSubmitBehavior: false ) );
var regionControls = new List<Control>();
var dynamicFieldValue = new DataValue<string>();
if( info.Toggled ) {
regionControls.Add(
FormItem.Create(
"Dynamic Field",
new EwfTextBox( "This was just added!" ),
validationGetter: control => new EwfValidation( ( pbv, validator ) => dynamicFieldValue.Value = control.GetPostBackValue( pbv ), pb ) ).ToControl() );
}
else
regionControls.Add( new Paragraph( "Nothing here yet." ) );
yield return
new NamingPlaceholder(
new Section( "Basic Update Region", regionControls, style: SectionStyle.Box ).ToSingleElementArray(),
updateRegionSets: rs.ToSingleElementArray() );
pb.AddModificationMethod( () => parametersModification.Toggled = !parametersModification.Toggled );
pb.AddModificationMethod(
() =>
AddStatusMessage( StatusMessageType.Info, info.Toggled ? "Dynamic field value was '{0}'.".FormatWith( dynamicFieldValue.Value ) : "Dynamic field added." ) );
}
private EwfTableItemGroup getItemGroup( int groupNumber )
{
var updateRegionSet = new UpdateRegionSet();
return
new EwfTableItemGroup(
() =>
new EwfTableItemGroupRemainingData(
"Group {0}".FormatWith( groupNumber ).GetLiteralControl(),
groupHeadClickScript:
ClickScript.CreatePostBackScript(
PostBack.CreateIntermediate(
null,
DataUpdate,
id: "group{0}".FormatWith( groupNumber ),
firstModificationMethod: () => AddStatusMessage( StatusMessageType.Info, "You clicked group {0}.".FormatWith( groupNumber ) ) ) ),
tailUpdateRegions: groupNumber == 1 ? new TailUpdateRegion( updateRegionSet.ToSingleElementArray(), 1 ).ToSingleElementArray() : null ),
groupNumber == 1
? getItems( info.FirstGroupItemCount )
.Concat(
new Func<EwfTableItem>(
() =>
new EwfTableItem(
new PostBackButton(
PostBack.CreateIntermediate(
updateRegionSet.ToSingleElementArray(),
DataUpdate,
id: "addRow",
firstModificationMethod: () => parametersModification.FirstGroupItemCount += 1 ),
new ButtonActionControlStyle( "Add Row" ),
usesSubmitBehavior: false ).ToCell( new TableCellSetup( fieldSpan: 2 ) ) ) ).ToSingleElementArray() )
: getItems( 250 ) );
}
protected override void loadData()
{
var updateRegionSet = new UpdateRegionSet();
EwfUiStatics.SetPageActions(
new ActionButtonSetup(
"Remove Last Group",
new PostBackButton(
PostBack.CreateIntermediate(
updateRegionSet.ToSingleElementArray(),
DataUpdate,
id: "removeLastGroup",
firstModificationMethod: () => {
if( info.GroupCount <= 0 )
throw new DataModificationException( "No groups to remove." );
parametersModification.GroupCount -= 1;
} ) ) ) );
place.Controls.Add(
EwfTable.CreateWithItemGroups(
Enumerable.Range( 1, info.GroupCount ).Select( getItemGroup ),
defaultItemLimit: DataRowLimit.Fifty,
caption: "Caption",
subCaption: "Sub caption",
fields:
new[]
{ new EwfTableField( size: Unit.Percentage( 1 ), toolTip: "First column!" ), new EwfTableField( size: Unit.Percentage( 2 ), toolTip: "Second column!" ) },
headItems: new EwfTableItem( "First Column", "Second Column" ).ToSingleElementArray(),
tailUpdateRegions: new TailUpdateRegion( updateRegionSet.ToSingleElementArray(), 1 ).ToSingleElementArray() ) );
}
private ControlListItem getIdItem( int id )
{
var rs = new UpdateRegionSet();
var pb = PostBack.CreateIntermediate( rs.ToSingleElementArray(), DataUpdate, id: PostBack.GetCompositeId( "id", id.ToString() ) );
var itemStack = ControlStack.Create( true );
itemStack.AddControls( new EwfTextBox( "ID {0}".FormatWith( id ) ) );
itemStack.AddControls(
new PostBackButton( pb, new ButtonActionControlStyle( "Remove", buttonSize: ButtonActionControlStyle.ButtonSize.ShrinkWrap ), usesSubmitBehavior: false ) );
pb.AddModificationMethod( () => parametersModification.ItemIds = parametersModification.ItemIds.Where( i => i != id ).ToArray() );
return new ControlListItem( itemStack.ToSingleElementArray(), id.ToString(), removalUpdateRegionSet: rs );
}
/// <summary>
/// Creates a control-list item.
/// </summary>
/// <param name="childControls">The item content.</param>
/// <param name="updateRegionSet">The intermediate-post-back update-region set that this item will be a part of.</param>
public ControlListItem( IEnumerable<Control> childControls, UpdateRegionSet updateRegionSet = null )
{
ChildControls = childControls;
UpdateRegionSet = updateRegionSet;
}
/// <summary>
/// Creates an item-insertion update region.
/// </summary>
/// <param name="set"></param>
/// <param name="newItemIdGetter">A method that executes after the data modification and returns the IDs of the new item(s).</param>
public ItemInsertionUpdateRegion( UpdateRegionSet set, Func<IEnumerable<string>> newItemIdGetter )
{
Set = set;
NewItemIdGetter = newItemIdGetter;
}
private IEnumerable<Control> getIdListRegionBlocks()
{
var rs = new UpdateRegionSet();
yield return
new ControlLine(
new PostBackButton(
PostBack.CreateIntermediate(
rs.ToSingleElementArray(),
DataUpdate,
id: "idAdd",
firstModificationMethod:
() =>
parametersModification.ItemIds =
( parametersModification.ItemIds.Any() ? parametersModification.ItemIds.Min() - 1 : 0 ).ToSingleElementArray().Concat( parametersModification.ItemIds ) ),
new ButtonActionControlStyle( "Add Item" ),
usesSubmitBehavior: false ) );
var stack = ControlStack.Create(
true,
itemInsertionUpdateRegions:
new ItemInsertionUpdateRegion( rs, () => parametersModification.ItemIds.First().ToString().ToSingleElementArray() ).ToSingleElementArray() );
foreach( var i in info.ItemIds )
stack.AddItem( getIdItem( i ) );
yield return new Box( "Control List With ID Items", stack.ToSingleElementArray() );
}
private IEnumerable<Control> getNonIdListRegionBlocks()
{
var addRs = new UpdateRegionSet();
var removeRs = new UpdateRegionSet();
yield return
new ControlLine(
new PostBackButton(
PostBack.CreateIntermediate(
addRs.ToSingleElementArray(),
DataUpdate,
id: "nonIdAdd",
firstModificationMethod: () => parametersModification.NonIdItemStates = parametersModification.NonIdItemStates.Concat( new[] { 0, 0 } ) ),
new ButtonActionControlStyle( "Add Two Items" ),
usesSubmitBehavior: false ),
new PostBackButton(
PostBack.CreateIntermediate(
removeRs.ToSingleElementArray(),
DataUpdate,
id: "nonIdRemove",
firstModificationMethod:
() => parametersModification.NonIdItemStates = parametersModification.NonIdItemStates.Take( parametersModification.NonIdItemStates.Count() - 2 ) ),
new ButtonActionControlStyle( "Remove Two Items" ),
usesSubmitBehavior: false ) );
var stack = ControlStack.Create( true, tailUpdateRegions: new[] { new TailUpdateRegion( addRs, 0 ), new TailUpdateRegion( removeRs, 2 ) } );
for( var i = 0; i < info.NonIdItemStates.Count(); i += 1 )
stack.AddItem( getNonIdItem( i ) );
yield return new Box( "Control List With Non-ID Items", stack.ToSingleElementArray() );
}
private ControlListItem getNonIdItem( int i )
{
var rs = new UpdateRegionSet();
var pb = PostBack.CreateIntermediate( rs.ToSingleElementArray(), DataUpdate, id: PostBack.GetCompositeId( "nonId", i.ToString() ) );
var itemStack = ControlStack.Create( true );
if( info.NonIdItemStates.ElementAt( i ) == 1 )
itemStack.AddControls( new EwfTextBox( "Item {0}".FormatWith( i ) ) );
else
itemStack.AddText( "Item {0}".FormatWith( i ) );
itemStack.AddControls(
new PostBackButton( pb, new ButtonActionControlStyle( "Toggle", buttonSize: ButtonActionControlStyle.ButtonSize.ShrinkWrap ), usesSubmitBehavior: false ) );
pb.AddModificationMethod(
() => parametersModification.NonIdItemStates = parametersModification.NonIdItemStates.Select( ( state, index ) => index == i ? ( state + 1 ) % 2 : state ) );
return new ControlListItem( itemStack.ToSingleElementArray(), updateRegionSet: rs );
}
/// <summary>
/// Creates a naming placeholder. Add all child controls now; do not use AddControlsReturnThis at any time.
/// </summary>
/// <param name="childControls"></param>
/// <param name="updateRegionSet">The intermediate-post-back update-region set that this naming placeholder will be a part of.</param>
public NamingPlaceholder( IEnumerable<Control> childControls, UpdateRegionSet updateRegionSet = null )
{
this.childControls = childControls.ToArray();
this.updateRegionSet = updateRegionSet;
}
internal PreModificationUpdateRegion( UpdateRegionSet set, Func<IEnumerable<Control>> controlGetter, Func<string> argumentGetter )
{
this.set = set;
this.controlGetter = controlGetter;
this.argumentGetter = argumentGetter;
}
