Code:
/ DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Framework / System / Windows / Documents / TableRowGroup.cs / 1 / TableRowGroup.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: Table row group implementation // // See spec at [....]/layout/Tables/WPP%20TableOM.doc // // History: // 05/19/2003 : [....] - Created // //--------------------------------------------------------------------------- //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.PtsHost; using MS.Internal.PtsTable; using MS.Utility; using System; using System.Collections; using System.Collections.Specialized; using System.ComponentModel; using System.Diagnostics; using System.Windows.Threading; using System.Windows; using System.Windows.Controls; using System.Windows.Data; using System.Windows.Media; using System.Windows.Markup; using MS.Internal; using MS.Internal.Data; using MS.Internal.PtsHost.UnsafeNativeMethods; namespace System.Windows.Documents { ////// Table row group implementation /// [ContentProperty("Rows")] public class TableRowGroup : TextElement, IAddChild { //----------------------------------------------------- // // Constructors // //----------------------------------------------------- #region Constructors ////// Creates an instance of a RowGroup /// 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 ////// void IAddChild.AddChild(object value) { if (value == null) { throw new ArgumentNullException("value"); } TableRow row = value as TableRow; if (row != null) { Rows.Add(row); return; } throw (new ArgumentException(SR.Get(SRID.UnexpectedParameterType, value.GetType(), typeof(TableRow)), "value")); } ////// /// void IAddChild.AddText(string text) { XamlSerializerUtil.ThrowIfNonWhiteSpaceInAddText(text, this); } #endregion Public Methods //------------------------------------------------------ // // Public Properties // //------------------------------------------------------ #region Public Properties ////// /// Returns the row group's row collection /// [DesignerSerializationVisibility(DesignerSerializationVisibility.Content)] public TableRowCollection Rows { get { return (_rows); } } ////// This method is used by TypeDescriptor to determine if this property should /// be serialized. /// [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 ////// Callback used to notify the RowGroup about entering model tree. /// internal void OnEnterParentTree() { if(Table != null) { Table.OnStructureChanged(); } } ////// Callback used to notify the RowGroup about exitting model tree. /// internal void OnExitParentTree() { } ////// Callback used to notify the RowGroup about exitting model tree. /// internal void OnAfterExitParentTree(Table table) { table.OnStructureChanged(); } ////// ValidateStructure /// 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 ////// Table owner accessor /// internal Table Table { get { return Parent as Table; } } ////// RowGroup's index in the parents row group collection. /// internal int Index { get { return (_parentIndex); } set { Debug.Assert(value >= -1 && _parentIndex != value); _parentIndex = value; } } ////// Stores temporary data for where to insert a new row /// internal int InsertionIndex { get { return _rowInsertionIndex; } set { _rowInsertionIndex = value; } } ////// Marks this element's left edge as visible to IMEs. /// This means element boundaries will act as word breaks. /// internal override bool IsIMEStructuralElement { get { return true; } } #endregion Internal Properties //----------------------------------------------------- // // Private Methods // //------------------------------------------------------ #region Private Methods ////// Called when body receives a new parent (via OM or text tree) /// /// /// New parent of body /// internal override void OnNewParent(DependencyObject newParent) { DependencyObject oldParent = this.Parent; if (newParent != null && !(newParent is Table)) { throw new InvalidOperationException(SR.Get(SRID.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 // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. 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