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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
//
// Description: Table row group implementation
//
// See spec at WPP TableOM.doc
//
//In order to avoid generating warnings about unknown message numbers and
//unknown pragmas when compiling your C# source code with the actual C# compiler,
//you need to disable warnings 1634 and 1691. (Presharp Documentation)
#pragma warning disable 1634, 1691
using MS.Internal.PtsTable;
using System.ComponentModel;
using System.Windows.Markup;
using MS.Internal.Documents;
namespace System.Windows.Documents
{
/// <summary>
/// Table row group implementation
/// </summary>
[ContentProperty("Rows")]
public class TableRowGroup : TextElement, IAddChild, IIndexedChild<Table>, IAcceptInsertion
{
//------------------------------------------------------
//
// Constructors
//
//------------------------------------------------------
#region Constructors
/// <summary>
/// Creates an instance of a RowGroup
/// </summary>
public TableRowGroup()
: base()
{
Initialize();
}
// common initialization for all constructors
private void Initialize()
{
_rows = new TableRowCollection(this);
_rowInsertionIndex = -1;
_parentIndex = -1;
}
#endregion
//------------------------------------------------------
//
// Public Methods
//
//------------------------------------------------------
#region Public Methods
/// <summary>
/// <see cref="IAddChild.AddChild"/>
/// </summary>
void IAddChild.AddChild(object value)
{
ArgumentNullException.ThrowIfNull(value);
TableRow row = value as TableRow;
if (row != null)
{
Rows.Add(row);
return;
}
throw (new ArgumentException(SR.Format(SR.UnexpectedParameterType, value.GetType(), typeof(TableRow)), "value"));
}
/// <summary>
/// <see cref="IAddChild.AddText"/>
/// </summary>
void IAddChild.AddText(string text)
{
XamlSerializerUtil.ThrowIfNonWhiteSpaceInAddText(text, this);
}
#endregion Public Methods
//------------------------------------------------------
//
// Public Properties
//
//------------------------------------------------------
#region Public Properties
/// <summary>
/// Returns the row group's row collection
/// </summary>
[DesignerSerializationVisibility(DesignerSerializationVisibility.Content)]
public TableRowCollection Rows
{
get
{
return (_rows);
}
}
/// <summary>
/// This method is used by TypeDescriptor to determine if this property should
/// be serialized.
/// </summary>
[EditorBrowsable(EditorBrowsableState.Never)]
public bool ShouldSerializeRows()
{
return Rows.Count > 0;
}
#endregion Public Properties
//------------------------------------------------------
//
// Protected Methods
//
//------------------------------------------------------
#region Protected Methods
#endregion Protected Methods
//------------------------------------------------------
//
// Internal Methods
//
//------------------------------------------------------
#region Internal Methods
#region IIndexedChild implementation
/// <summary>
/// Callback used to notify about entering model tree.
/// </summary>
void IIndexedChild<Table>.OnEnterParentTree()
{
this.OnEnterParentTree();
}
/// <summary>
/// Callback used to notify about exitting model tree.
/// </summary>
void IIndexedChild<Table>.OnExitParentTree()
{
this.OnExitParentTree();
}
void IIndexedChild<Table>.OnAfterExitParentTree(Table parent)
{
this.OnAfterExitParentTree(parent);
}
int IIndexedChild<Table>.Index
{
get { return this.Index; }
set { this.Index = value; }
}
#endregion IIndexedChild implementation
/// <summary>
/// Callback used to notify the RowGroup about entering model tree.
/// </summary>
internal void OnEnterParentTree()
{
if(Table != null)
{
Table.OnStructureChanged();
}
}
/// <summary>
/// Callback used to notify the RowGroup about exitting model tree.
/// </summary>
internal void OnExitParentTree()
{
}
/// <summary>
/// Callback used to notify the RowGroup about exitting model tree.
/// </summary>
internal void OnAfterExitParentTree(Table table)
{
table.OnStructureChanged();
}
/// <summary>
/// ValidateStructure
/// </summary>
internal void ValidateStructure()
{
RowSpanVector rowSpanVector = new RowSpanVector();
_columnCount = 0;
for (int i = 0; i < Rows.Count; ++i)
{
Rows[i].ValidateStructure(rowSpanVector);
_columnCount = Math.Max(_columnCount, Rows[i].ColumnCount);
}
Table.EnsureColumnCount(_columnCount);
}
#endregion Internal Methods
//------------------------------------------------------
//
// Internal Properties
//
//------------------------------------------------------
#region Internal Properties
/// <summary>
/// Table owner accessor
/// </summary>
internal Table Table
{
get
{
return Parent as Table;
}
}
/// <summary>
/// RowGroup's index in the parents row group collection.
/// </summary>
internal int Index
{
get
{
return (_parentIndex);
}
set
{
Debug.Assert(value >= -1 && _parentIndex != value);
_parentIndex = value;
}
}
int IAcceptInsertion.InsertionIndex
{
get { return this.InsertionIndex; }
set { this.InsertionIndex = value; }
}
/// <summary>
/// Stores temporary data for where to insert a new row
/// </summary>
internal int InsertionIndex
{
get { return _rowInsertionIndex; }
set { _rowInsertionIndex = value; }
}
/// <summary>
/// Marks this element's left edge as visible to IMEs.
/// This means element boundaries will act as word breaks.
/// </summary>
internal override bool IsIMEStructuralElement
{
get
{
return true;
}
}
#endregion Internal Properties
//------------------------------------------------------
//
// Private Methods
//
//------------------------------------------------------
#region Private Methods
/// <summary>
/// Called when body receives a new parent (via OM or text tree)
/// </summary>
/// <param name="newParent">
/// New parent of body
/// </param>
internal override void OnNewParent(DependencyObject newParent)
{
DependencyObject oldParent = this.Parent;
if (newParent != null && !(newParent is Table))
{
throw new InvalidOperationException(SR.Format(SR.TableInvalidParentNodeType, newParent.GetType().ToString()));
}
if (oldParent != null)
{
OnExitParentTree();
((Table)oldParent).RowGroups.InternalRemove(this);
OnAfterExitParentTree(oldParent as Table);
}
base.OnNewParent(newParent);
if (newParent != null)
{
((Table)newParent).RowGroups.InternalAdd(this);
OnEnterParentTree();
}
}
#endregion Private Methods
//------------------------------------------------------
//
// Private Fields
//
//------------------------------------------------------
#region Private Fields
private TableRowCollection _rows; // children rows store
private int _parentIndex; // row group's index in parent's children collection
private int _rowInsertionIndex; // Insertion index for row
private int _columnCount; // Column count.
#endregion Private Fields
//------------------------------------------------------
//
// Private Structures / Classes
//
//------------------------------------------------------
}
}
#pragma warning restore 1634, 1691
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