sysperfana/heapanalyser/Libraries/UI/HeapUiLib/Controls/HeapCellRelationshipControl.cs
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/sysperfana/heapanalyser/Libraries/UI/HeapUiLib/Controls/HeapCellRelationshipControl.cs Tue Jun 15 12:47:20 2010 +0300
@@ -0,0 +1,416 @@
+/*
+* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions are met:
+*
+* - Redistributions of source code must retain the above copyright notice,
+* this list of conditions and the following disclaimer.
+* - Redistributions in binary form must reproduce the above copyright notice,
+* this list of conditions and the following disclaimer in the documentation
+* and/or other materials provided with the distribution.
+* - Neither the name of Nokia Corporation nor the names of its contributors
+* may be used to endorse or promote products derived from this software
+* without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+* POSSIBILITY OF SUCH DAMAGE.
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+using System;
+using System.Collections;
+using System.ComponentModel;
+using System.Drawing;
+using System.Data;
+using System.Windows.Forms;
+using System.Text;
+using SymbianStructuresLib.Debug.Symbols;
+using HeapLib;
+using HeapLib.Cells;
+using HeapLib.Array;
+using HeapLib.Relationships;
+using HeapLib.Statistics;
+
+namespace HeapUiLib.Controls
+{
+ public partial class HeapCellRelationshipControl : UserControl
+ {
+ #region Enumerations
+ public enum TListMode
+ {
+ EListModeEmbeddedReferences = 0,
+ EListModeReferencedBy
+ }
+ #endregion
+
+ #region Constructors & destructor
+ public HeapCellRelationshipControl()
+ {
+ InitializeComponent();
+ }
+ #endregion
+
+ #region API
+ public void SetFilter( TFilterType aType )
+ {
+ SetFilter( aType, null );
+ }
+
+ public void SetFilter( TFilterType aType, Symbol aSymbol )
+ {
+ iFilterType = aType;
+ iFilterSymbol = aSymbol;
+ iCellFilter.FilterType = aType;
+ //
+ UpdateListView();
+ }
+
+ public void CopySelectedDataToClipboard()
+ {
+ StringBuilder clipboardText = new StringBuilder();
+
+ // Get columns
+ foreach ( XPTable.Models.Column column in iTable.ColumnModel.Columns )
+ {
+ clipboardText.Append( column.Text + "\t" );
+ }
+ clipboardText.Append( System.Environment.NewLine );
+
+ // Do underline (there must be a better way!)
+ int len = clipboardText.Length;
+ for ( int i = 0; i < len; i++ )
+ {
+ clipboardText.Append( "=" );
+ }
+ clipboardText.Append( System.Environment.NewLine );
+
+ // Get cell values
+ foreach ( XPTable.Models.Row row in iTable.SelectedItems )
+ {
+ foreach ( XPTable.Models.Cell cell in row.Cells )
+ {
+ string text = cell.Text;
+ clipboardText.Append( text + "\t" );
+ }
+ //
+ clipboardText.Append( System.Environment.NewLine );
+ }
+ //
+ Clipboard.SetDataObject( clipboardText.ToString(), true );
+ }
+ #endregion
+
+ #region Properties
+ [Browsable( false )]
+ public HeapStatistics Statistics
+ {
+ get { return iCellFilter.Statistics; }
+ set { iCellFilter.Statistics = value; }
+ }
+
+ [Browsable( false )]
+ public HeapCell SelectedCell
+ {
+ get
+ {
+ HeapCell cell = null;
+ //
+ if ( iTable.SelectedItems.Length > 0 )
+ {
+ int index = iTable.SelectedIndicies[ 0 ];
+ cell = iTable.TableModel.Rows[ index ].Tag as HeapCell;
+ }
+ //
+ return cell;
+ }
+ set
+ {
+ foreach ( XPTable.Models.Row row in iTable.TableModel.Rows )
+ {
+ HeapCell cell = (HeapCell) row.Tag;
+ //
+ if ( cell.Address == value.Address )
+ {
+ iTable.Select();
+ iTable.Focus();
+ iTable.TableModel.Selections.Clear();
+ iTable.TableModel.Selections.AddCell( row.Index, 0 );
+ iTable.EnsureVisible( row.Index, 0 );
+ break;
+ }
+ }
+ }
+ }
+
+ [Browsable( false )]
+ public HeapCellArray Cells
+ {
+ get { return iCells; }
+ set
+ {
+ iCells = value;
+ UpdateListView();
+ }
+ }
+
+ public TListMode ListMode
+ {
+ get
+ {
+ TListMode ret = TListMode.EListModeReferencedBy;
+ //
+ if ( iRB_EmbeddedReferencesTo.Checked )
+ {
+ ret = TListMode.EListModeEmbeddedReferences;
+ }
+ //
+ return ret;
+ }
+ set
+ {
+ if ( value == TListMode.EListModeEmbeddedReferences )
+ {
+ iRB_EmbeddedReferencesTo.Checked = true;
+ }
+ else
+ {
+ iRB_ReferencedBy.Checked = true;
+ }
+ }
+ }
+ #endregion
+
+ #region Event handlers
+ private void iTable_DoubleClick( object sender, EventArgs e )
+ {
+ OnDoubleClick( e );
+ }
+
+ private void iTable_PrepareForSort( object sender, XPTable.Events.SortEventArgs e )
+ {
+ if ( e.Column == iCol_Length )
+ {
+ e.Comparer = new XPTable.Sorting.NumberComparer( iTable.TableModel, e.Index, e.Column.SortOrder );
+ }
+ else if ( e.Column == iCol_ReferencedBy )
+ {
+ e.Comparer = new XPTable.Sorting.NumberComparer( iTable.TableModel, e.Index, e.Column.SortOrder );
+ }
+ else if ( e.Column == iCol_EmbeddedReferencesTo )
+ {
+ e.Comparer = new XPTable.Sorting.NumberComparer( iTable.TableModel, e.Index, e.Column.SortOrder );
+ }
+ else
+ {
+ e.Comparer = new XPTable.Sorting.TextComparer( iTable.TableModel, e.Index, e.Column.SortOrder );
+ }
+ }
+
+ private void iTable_SelectionChanged( object sender, XPTable.Events.SelectionEventArgs e )
+ {
+ if ( e.NewSelectedIndicies.Length > 0 )
+ {
+ int rowIndex = e.NewSelectedIndicies[ 0 ];
+ XPTable.Models.Row row = e.TableModel.Rows[ rowIndex ];
+ HeapCell cell = (HeapCell) row.Tag;
+ UpdateReferenceInfoList( cell );
+ }
+ }
+
+ private void iCellFilter_FilterChanged( TFilterType aFilter, Symbol aSymbolOrNull )
+ {
+ SetFilter( aFilter, aSymbolOrNull );
+ }
+
+ private void iRB_Type_CheckedChanged( object sender, EventArgs e )
+ {
+ if ( iTable.SelectedItems.Length > 0 )
+ {
+ HeapCell cell = (HeapCell) iTable.SelectedItems[ 0 ].Tag;
+ UpdateReferenceInfoList( cell );
+ }
+ }
+ #endregion
+
+ #region Internal methods
+ private void UpdateListView()
+ {
+ iTable.BeginUpdate();
+ iTable.TableModel.Rows.Clear();
+ //
+ foreach ( HeapCell cell in Cells )
+ {
+ // Check whether the filter permits this item to be included.
+ if ( CheckAgainstFilter( cell ) )
+ {
+ RelationshipManager relManager = cell.RelationshipManager;
+
+ XPTable.Models.Row row = new XPTable.Models.Row();
+ row.Tag = cell;
+ //
+ XPTable.Models.Cell cellType = new XPTable.Models.Cell( " " + cell.TypeString );
+ if ( cell.Type == HeapCell.TType.EAllocated )
+ {
+ if ( cell.IsDescriptor )
+ {
+ cellType.ForeColor = Color.DarkGoldenrod;
+ cellType.ToolTipText = "Descriptor";
+ }
+ else
+ {
+ cellType.ForeColor = Color.Red;
+ }
+ }
+ else if ( cell.Type == HeapCell.TType.EFree )
+ {
+ cellType.ForeColor = Color.Blue;
+ }
+ row.Cells.Add( cellType );
+ row.Cells.Add( new XPTable.Models.Cell( "0x" + cell.Address.ToString( "x8" ) ) );
+
+ // Must initialise "data" in order for sorting to work (XPTable's numeric sorter relies upon it).
+ XPTable.Models.Cell cellLength = new XPTable.Models.Cell( cell.Length.ToString() );
+ cellLength.Data = cell.Length;
+ row.Cells.Add( cellLength );
+
+ // Reference by
+ XPTable.Models.Cell cellRefBy = new XPTable.Models.Cell( relManager.ReferencedBy.Count.ToString() );
+ cellRefBy.Data = relManager.ReferencedBy.Count;
+ row.Cells.Add( cellRefBy );
+
+ // Embedded references to
+ XPTable.Models.Cell cellEmbeddedRefsTo = new XPTable.Models.Cell( relManager.EmbeddedReferencesTo.Count.ToString() );
+ cellEmbeddedRefsTo.Data = relManager.EmbeddedReferencesTo.Count;
+ row.Cells.Add( cellEmbeddedRefsTo );
+
+ // Payload column
+ if ( cell.IsDescriptor )
+ {
+ row.Cells.Add( new XPTable.Models.Cell( cell.DescriptorText ) );
+ }
+ else if ( cell.Symbol != null )
+ {
+ row.Cells.Add( new XPTable.Models.Cell( cell.SymbolString ) );
+ }
+ else
+ {
+ row.Cells.Add( new XPTable.Models.Cell( cell.RawItems.FirstLine ) );
+ }
+ //
+ iTable.TableModel.Rows.Add( row );
+ }
+ }
+
+ // Must sort if the user had previously selected a sort column
+ if ( iTable.IsValidColumn( iTable.SortingColumn ) )
+ {
+ iTable.Sort();
+ }
+
+ // Done - end transaction & redraw
+ iTable.EndUpdate();
+ }
+
+ private void UpdateReferenceInfoList( HeapCell aCell )
+ {
+ RelationshipManager relManager = aCell.RelationshipManager;
+ //
+ if ( aCell.Symbol != null )
+ {
+ iGP_AssociatedWith.Text = "[0x" + aCell.Address + "] " + aCell.SymbolString;
+ }
+ else
+ {
+ iGP_AssociatedWith.Text = "[0x" + aCell.Address + "]";
+ }
+
+ //
+ if ( iRB_EmbeddedReferencesTo.Checked )
+ {
+ HeapCellArray array = new HeapCellArray();
+ foreach ( RelationshipInfo info in relManager.EmbeddedReferencesTo )
+ {
+ array.Add( info.ToCell );
+ }
+ //
+ iAssociatedWith.Cells = array;
+ }
+ else
+ {
+ HeapCellArray array = new HeapCellArray();
+ foreach ( HeapCell refCell in relManager.ReferencedBy )
+ {
+ array.Add( refCell );
+ }
+ //
+ iAssociatedWith.Cells = array;
+ }
+ }
+
+ private bool CheckAgainstFilter( HeapCell aCell )
+ {
+ bool ret = false;
+ //
+ if ( iFilterType == TFilterType.EFilterShowAll )
+ {
+ ret = true;
+ }
+ else if ( iFilterType == TFilterType.EFilterShowCellsFree && aCell.Type == HeapCell.TType.EFree )
+ {
+ ret = true;
+ }
+ else if ( iFilterType == TFilterType.EFilterShowCellsAllocated && aCell.Type == HeapCell.TType.EAllocated )
+ {
+ ret = true;
+ }
+ else if ( iFilterType == TFilterType.EFilterShowCellsAllocatedDescriptor && aCell.Type == HeapCell.TType.EAllocated && aCell.IsDescriptor )
+ {
+ ret = true;
+ }
+ else if ( iFilterType == TFilterType.EFilterShowCellsAllocatedByType && aCell.Type == HeapCell.TType.EAllocated )
+ {
+ bool noSymbol = ( iFilterSymbol == null || iFilterSymbol.Address == 0 );
+ bool descriptor = aCell.IsDescriptor;
+ //
+ if ( !descriptor )
+ {
+ if ( noSymbol && aCell.Symbol == null )
+ {
+ ret = true;
+ }
+ else if ( iFilterSymbol != null && aCell.Symbol != null )
+ {
+ ret = ( aCell.Symbol.Address == iFilterSymbol.Address );
+ }
+ }
+ }
+ //
+ return ret;
+ }
+ #endregion
+
+ #region Data members
+ private TFilterType iFilterType = TFilterType.EFilterShowAll;
+ private Symbol iFilterSymbol = null;
+ private HeapCellArray iCells = new HeapCellArray();
+ #endregion
+ }
+}