| /******************************************************************************* |
| * Copyright (c) 2004 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.debug.ui.memory; |
| |
| import java.math.BigInteger; |
| |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.debug.core.DebugException; |
| import org.eclipse.debug.core.model.IMemoryBlock; |
| import org.eclipse.debug.core.model.IMemoryBlockExtension; |
| import org.eclipse.debug.core.model.MemoryByte; |
| import org.eclipse.debug.internal.ui.DebugUIMessages; |
| import org.eclipse.debug.internal.ui.DebugUIPlugin; |
| import org.eclipse.debug.internal.ui.IInternalDebugUIConstants; |
| import org.eclipse.debug.internal.ui.preferences.IDebugPreferenceConstants; |
| import org.eclipse.debug.internal.ui.views.memory.MemoryViewUtil; |
| import org.eclipse.debug.internal.ui.views.memory.renderings.CopyTableRenderingToClipboardAction; |
| import org.eclipse.debug.internal.ui.views.memory.renderings.FormatColumnAction; |
| import org.eclipse.debug.internal.ui.views.memory.renderings.GoToAddressAction; |
| import org.eclipse.debug.internal.ui.views.memory.renderings.PrintTableRenderingAction; |
| import org.eclipse.debug.internal.ui.views.memory.renderings.ReformatAction; |
| import org.eclipse.debug.internal.ui.views.memory.renderings.ResetToBaseAddressAction; |
| import org.eclipse.debug.internal.ui.views.memory.renderings.SetColumnSizeDefaultAction; |
| import org.eclipse.debug.internal.ui.views.memory.renderings.TableRenderingCellModifier; |
| import org.eclipse.debug.internal.ui.views.memory.renderings.TableRenderingContentInput; |
| import org.eclipse.debug.internal.ui.views.memory.renderings.TableRenderingContentProvider; |
| import org.eclipse.debug.internal.ui.views.memory.renderings.TableRenderingLabelProvider; |
| import org.eclipse.debug.internal.ui.views.memory.renderings.TableRenderingLine; |
| import org.eclipse.debug.ui.DebugUITools; |
| import org.eclipse.debug.ui.IDebugModelPresentation; |
| import org.eclipse.debug.ui.IDebugUIConstants; |
| import org.eclipse.jface.action.Action; |
| import org.eclipse.jface.action.IMenuListener; |
| import org.eclipse.jface.action.IMenuManager; |
| import org.eclipse.jface.action.MenuManager; |
| import org.eclipse.jface.action.Separator; |
| import org.eclipse.jface.preference.IPreferenceStore; |
| import org.eclipse.jface.resource.JFaceResources; |
| import org.eclipse.jface.text.Document; |
| import org.eclipse.jface.text.TextViewer; |
| import org.eclipse.jface.util.IPropertyChangeListener; |
| import org.eclipse.jface.util.PropertyChangeEvent; |
| import org.eclipse.jface.viewers.CellEditor; |
| import org.eclipse.jface.viewers.IBasicPropertyConstants; |
| import org.eclipse.jface.viewers.ICellModifier; |
| import org.eclipse.jface.viewers.TableViewer; |
| import org.eclipse.jface.viewers.TextCellEditor; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.custom.StyledText; |
| import org.eclipse.swt.custom.TableCursor; |
| import org.eclipse.swt.custom.TableEditor; |
| import org.eclipse.swt.events.DisposeEvent; |
| import org.eclipse.swt.events.DisposeListener; |
| import org.eclipse.swt.events.FocusAdapter; |
| import org.eclipse.swt.events.FocusEvent; |
| import org.eclipse.swt.events.KeyAdapter; |
| import org.eclipse.swt.events.KeyEvent; |
| import org.eclipse.swt.events.MouseAdapter; |
| import org.eclipse.swt.events.MouseEvent; |
| import org.eclipse.swt.events.SelectionAdapter; |
| import org.eclipse.swt.events.SelectionEvent; |
| import org.eclipse.swt.events.TraverseEvent; |
| import org.eclipse.swt.events.TraverseListener; |
| import org.eclipse.swt.graphics.Font; |
| import org.eclipse.swt.graphics.Rectangle; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.ScrollBar; |
| import org.eclipse.swt.widgets.Table; |
| import org.eclipse.swt.widgets.TableColumn; |
| import org.eclipse.swt.widgets.TableItem; |
| import org.eclipse.swt.widgets.Text; |
| import org.eclipse.ui.IWorkbenchActionConstants; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.part.PageBook; |
| |
| /** |
| * This is an abstract implementation to a table rendering. Clients should |
| * subclass from this class if they wish to provide a table rendering. |
| * |
| * @since 3.1 |
| */ |
| public abstract class AbstractTableRendering extends AbstractMemoryRendering implements IPropertyChangeListener{ |
| |
| // Property Ids for the selected address in a table rendering |
| public static final String PROPERTY_SELECTED_ADDRESS = "selectedAddress"; //$NON-NLS-1$ |
| // Property Ids for the column size in a table rendering |
| public static final String PROPERTY_COL_SIZE = "columnSize"; //$NON-NLS-1$ |
| // Property Ids for the top row address in a table rendering |
| public static final String PROPERTY_TOP_ADDRESS = "topAddress"; //$NON-NLS-1$ |
| |
| private PageBook fPageBook; |
| private TableViewer fTableViewer; |
| private TextViewer fTextViewer; |
| |
| private int fBytePerLine; // number of bytes per line: 16 |
| private int fColumnSize; // number of bytes per column: 1,2,4,8 |
| private int fAddressibleSize; |
| |
| private boolean fIsShowingErrorPage; |
| |
| private TableRenderingContentProvider fContentProvider; |
| private BigInteger fSelectedAddress; |
| private TableRenderingContentInput fContentInput; |
| private TableRenderingCellModifier fCellModifier; |
| private boolean fIsCreated; |
| private CellEditor[] fEditors; |
| private String fLabel; |
| private TableCursor fTableCursor; |
| private boolean fIsDisposed; |
| private TraverseListener fCursorTraverseListener; |
| private KeyAdapter fCursorKeyAdapter; |
| private BigInteger fTopRowAddress; |
| |
| private CopyTableRenderingToClipboardAction fCopyToClipboardAction; |
| private GoToAddressAction fGoToAddressAction; |
| private ResetToBaseAddressAction fResetMemoryBlockAction; |
| private PrintTableRenderingAction fPrintViewTabAction; |
| private Action[] fFormatColumnActions; |
| private ReformatAction fReformatAction; |
| private ToggleAddressColumnAction fToggleAddressColumnAction; |
| private EventHandleLock fEvtHandleLock = new EventHandleLock(); |
| private TableEditor fCursorEditor; |
| private FocusAdapter fEditorFocusListener; |
| private MouseAdapter fCursorMouseListener; |
| private KeyAdapter fEditorKeyListener; |
| private SelectionAdapter fCursorSelectionListener; |
| |
| private boolean fIsShowAddressColumn = true; |
| private SelectionAdapter fScrollbarSelectionListener; |
| |
| private class EventHandleLock |
| { |
| Object fOwner; |
| |
| public boolean acquireLock(Object client) |
| { |
| if (fOwner == null) |
| { |
| fOwner = client; |
| return true; |
| } |
| return false; |
| } |
| |
| public boolean releaseLock(Object client) |
| { |
| if (fOwner == client) |
| { |
| fOwner = null; |
| return true; |
| } |
| return false; |
| } |
| |
| public boolean isLocked() |
| { |
| return (fOwner != null); |
| } |
| } |
| |
| |
| private class ToggleAddressColumnAction extends Action { |
| |
| public ToggleAddressColumnAction() { |
| super(); |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IDebugUIConstants.PLUGIN_ID |
| + ".ShowAddressColumnAction_context"); //$NON-NLS-1$ |
| updateActionLabel(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jface.action.IAction#run() |
| */ |
| public void run() { |
| fIsShowAddressColumn = !fIsShowAddressColumn; |
| resizeColumnsToPreferredSize(); |
| updateActionLabel(); |
| } |
| |
| /** |
| * |
| */ |
| private void updateActionLabel() { |
| if (fIsShowAddressColumn) { |
| setText(DebugUIMessages.getString("ShowAddressColumnAction.0")); //$NON-NLS-1$ |
| } else { |
| setText(DebugUIMessages.getString("ShowAddressColumnAction.1")); //$NON-NLS-1$ |
| } |
| } |
| } |
| |
| /** |
| * @param renderingId |
| */ |
| public AbstractTableRendering(String renderingId) { |
| super(renderingId); |
| } |
| |
| public void propertyChange(PropertyChangeEvent event) { |
| // if memory view table font has changed |
| if (event.getProperty().equals(IInternalDebugUIConstants.FONT_NAME)) |
| { |
| if (!fIsDisposed) |
| { |
| Font memoryViewFont = JFaceResources.getFont(IInternalDebugUIConstants.FONT_NAME); |
| setFont(memoryViewFont); |
| } |
| return; |
| } |
| |
| Object evtSrc = event.getSource(); |
| |
| // do not handle event if the rendering is displaying an error |
| if (isDisplayingError()) |
| return; |
| |
| // do not handle property change event if the rendering is not visible |
| if (!isVisible()) |
| return; |
| |
| if (evtSrc == this) |
| return; |
| |
| if (!(evtSrc instanceof IMemoryRendering)) |
| return; |
| |
| IMemoryRendering rendering = (IMemoryRendering)evtSrc; |
| IMemoryBlock memoryBlock = rendering.getMemoryBlock(); |
| |
| // do not handle event from renderings displaying other memory blocks |
| if (memoryBlock != getMemoryBlock()) |
| return; |
| |
| String propertyName = event.getProperty(); |
| Object value = event.getNewValue(); |
| |
| if (propertyName.equals(AbstractTableRendering.PROPERTY_SELECTED_ADDRESS) && value instanceof BigInteger) |
| { |
| selectedAddressChanged((BigInteger)value); |
| } |
| else if (propertyName.equals(AbstractTableRendering.PROPERTY_COL_SIZE) && value instanceof Integer) |
| { |
| columnSizeChanged(((Integer)value).intValue()); |
| } |
| else if (propertyName.equals(AbstractTableRendering.PROPERTY_TOP_ADDRESS) && value instanceof BigInteger) |
| { |
| if (needMoreLines()) |
| { |
| reloadTable(getTopVisibleAddress(), false); |
| } |
| topVisibleAddressChanged((BigInteger)value); |
| } |
| } |
| |
| /** |
| * Handle top visible address change event from synchronizer |
| * @param address |
| */ |
| private void topVisibleAddressChanged(final BigInteger address) |
| { |
| // do not handle event if view tab is disabled |
| if (!isVisible()) |
| return; |
| |
| if (!address.equals(fTopRowAddress)) |
| { |
| fTopRowAddress = address; |
| updateSyncTopAddress(); |
| if (getMemoryBlock() instanceof IMemoryBlockExtension) |
| { |
| |
| handleTopAddressChangedforExtended(address); |
| } |
| else |
| { |
| handleTopAddressChangedForSimple(address); |
| } |
| } |
| } |
| |
| /** |
| * @param address |
| */ |
| private void handleTopAddressChangedForSimple(final BigInteger address) { |
| // IMemoryBlock support |
| int index = findAddressIndex(address); |
| Table table = fTableViewer.getTable(); |
| if (index >= 0) |
| { |
| setTopIndex(table, index); |
| } |
| |
| if (isAddressVisible(fSelectedAddress)) |
| fTableCursor.setVisible(true); |
| else |
| fTableCursor.setVisible(false); |
| |
| } |
| |
| /** |
| * @param address |
| */ |
| private void handleTopAddressChangedforExtended(final BigInteger address) { |
| |
| Object evtLockClient = new Object(); |
| try |
| { |
| if (!fEvtHandleLock.acquireLock(evtLockClient)) |
| return; |
| |
| if (!isAddressOutOfRange(address)) |
| { |
| Table table = fTableViewer.getTable(); |
| int index = findAddressIndex(address); |
| if (index >= 3 && table.getItemCount() - (index+getNumberOfVisibleLines()) >= 3) |
| { |
| // update cursor position |
| setTopIndex(table, index); |
| } |
| else |
| { |
| int numInBuffer = table.getItemCount(); |
| if (index < 3) |
| { |
| if (fContentInput.getPreBuffer() == 0) |
| setTopIndex(table, index); |
| else |
| reloadTable(address, false); |
| } |
| else if ((numInBuffer-(index+getNumberOfVisibleLines())) < 3) |
| { |
| reloadTable(address, false); |
| } |
| } |
| } |
| else |
| { |
| // approaching limit, reload table |
| reloadTable(address, false); |
| } |
| |
| if (isAddressVisible(fSelectedAddress)) |
| fTableCursor.setVisible(true); |
| else |
| fTableCursor.setVisible(false); |
| } |
| finally |
| { |
| fEvtHandleLock.releaseLock(evtLockClient); |
| } |
| } |
| |
| /** |
| * @param value |
| */ |
| private void selectedAddressChanged(BigInteger value) { |
| |
| try { |
| goToAddress(value); |
| } catch (DebugException e) { |
| DebugUIPlugin.log(e); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.ui.memory.IMemoryRendering#createControl(org.eclipse.swt.widgets.Composite) |
| */ |
| public Control createControl(Composite parent) { |
| |
| fPageBook = new PageBook(parent, SWT.NONE); |
| createErrorPage(fPageBook); |
| createTableViewer(fPageBook); |
| return fPageBook; |
| } |
| |
| /** |
| * Create the table viewer and other support controls |
| * for this rendering |
| * @param parent |
| */ |
| private void createTableViewer(Composite parent) { |
| |
| fTableViewer= new TableViewer(parent, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL | SWT.HIDE_SELECTION | SWT.BORDER); |
| |
| TableRenderingLabelProvider labelProvider = new TableRenderingLabelProvider(this); |
| fTableViewer.setLabelProvider(labelProvider); |
| |
| fContentProvider = new TableRenderingContentProvider(); |
| fTableViewer.setContentProvider(fContentProvider); |
| fContentProvider.setViewer(fTableViewer); |
| |
| ScrollBar scroll = ((Table)fTableViewer.getControl()).getVerticalBar(); |
| scroll.setMinimum(-100); |
| scroll.setMaximum(200); |
| |
| fTableViewer.getTable().setHeaderVisible(true); |
| fTableViewer.getTable().setLinesVisible(true); |
| |
| // FORMAT RENDERING |
| // set up addressible size and figure out number of bytes required per line |
| fAddressibleSize = -1; |
| if (getMemoryBlock() instanceof IMemoryBlockExtension) |
| fAddressibleSize = ((IMemoryBlockExtension)getMemoryBlock()).getAddressibleSize(); |
| if (fAddressibleSize < 1) |
| fAddressibleSize = 1; |
| int bytePerLine = IInternalDebugUIConstants.ADD_UNIT_PER_LINE * fAddressibleSize; |
| |
| // get default column size from preference store |
| IPreferenceStore prefStore = DebugUIPlugin.getDefault().getPreferenceStore(); |
| // column size is now stored as number of addressible units |
| int columnSize = prefStore.getInt(IDebugPreferenceConstants.PREF_COLUMN_SIZE); |
| // actual column size is number of addressible units * size of the addressible unit |
| columnSize = columnSize * getAddressibleSize(); |
| |
| // check synchronized col size |
| Integer colSize = (Integer)getSynchronizedProperty(AbstractTableRendering.PROPERTY_COL_SIZE); |
| |
| if (colSize != null) |
| { |
| int syncColSize = colSize.intValue(); |
| if (syncColSize > 0) |
| { |
| columnSize = syncColSize; |
| } |
| } |
| |
| // format memory block with specified "bytesPerLine" and "columnSize" |
| boolean ok = format(bytePerLine, columnSize); |
| |
| if (!ok) |
| { |
| DebugException e = new DebugException(DebugUIPlugin.newErrorStatus(DebugUIMessages.getString("AbstractTableRendering.0"), null)); //$NON-NLS-1$ |
| displayError(e); |
| return; |
| } |
| // END FORMAT RENDERING |
| |
| // figure out selected address |
| BigInteger selectedAddress = (BigInteger) getSynchronizedProperty(AbstractTableRendering.PROPERTY_SELECTED_ADDRESS); |
| if (selectedAddress == null) |
| { |
| if (getMemoryBlock() instanceof IMemoryBlockExtension) { |
| selectedAddress = ((IMemoryBlockExtension) getMemoryBlock()) |
| .getBigBaseAddress(); |
| |
| if (selectedAddress == null) { |
| selectedAddress = new BigInteger("0"); //$NON-NLS-1$ |
| } |
| |
| } else { |
| long address = getMemoryBlock().getStartAddress(); |
| selectedAddress = BigInteger.valueOf(address); |
| } |
| } |
| fSelectedAddress = selectedAddress; |
| |
| // figure out top visible address |
| BigInteger topVisibleAddress = (BigInteger) getSynchronizedProperty(AbstractTableRendering.PROPERTY_TOP_ADDRESS); |
| if (topVisibleAddress == null) |
| { |
| if (getMemoryBlock() instanceof IMemoryBlockExtension) |
| { |
| topVisibleAddress = ((IMemoryBlockExtension)getMemoryBlock()).getBigBaseAddress(); |
| } |
| else |
| { |
| topVisibleAddress = BigInteger.valueOf(getMemoryBlock().getStartAddress()); |
| } |
| } |
| |
| fContentInput = new TableRenderingContentInput(this, 20, 20, 20, topVisibleAddress, getNumberOfVisibleLines(), false); |
| fTableViewer.setInput(fContentInput); |
| |
| fCellModifier = new TableRenderingCellModifier(this); |
| fTableViewer.setCellModifier(fCellModifier); |
| |
| |
| // SET UP FONT |
| // set to a non-proportional font |
| fTableViewer.getTable().setFont(JFaceResources.getFont(IInternalDebugUIConstants.FONT_NAME)); |
| |
| if (!(getMemoryBlock() instanceof IMemoryBlockExtension)) |
| { |
| // If not extended memory block, do not create any buffer |
| // no scrolling |
| fContentInput.setPreBuffer(0); |
| fContentInput.setPostBuffer(0); |
| fContentInput.setDefaultBufferSize(0); |
| } |
| |
| createCursor(fTableViewer.getTable(), fSelectedAddress); |
| |
| fTableViewer.getTable().addMouseListener(new MouseAdapter() { |
| public void mouseDown(MouseEvent e) { |
| handleTableMouseEvent(e); |
| }}); |
| |
| // create pop up menu for the rendering |
| createActions(); |
| createPopupMenu(fTableViewer.getControl()); |
| createPopupMenu(fTableCursor); |
| |
| getPopupMenuManager().addMenuListener(new IMenuListener() { |
| public void menuAboutToShow(IMenuManager manager) { |
| fillContextMenu(manager); |
| manager.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS)); |
| }}); |
| |
| fIsCreated = true; |
| |
| addRenderingToSyncService(); |
| //synchronize |
| synchronize(); |
| |
| fTopRowAddress = getTopVisibleAddress(); |
| |
| // Need to resize column after content is filled in |
| // Pack function does not work unless content is not filled in |
| // since the table is not able to compute the preferred size. |
| resizeColumnsToPreferredSize(); |
| |
| if (getMemoryBlock() instanceof IMemoryBlockExtension) |
| { |
| if(((IMemoryBlockExtension)getMemoryBlock()).getBigBaseAddress() == null) |
| { |
| DebugException e = new DebugException(DebugUIPlugin.newErrorStatus(DebugUIMessages.getString("AbstractTableRendering.1"), null)); //$NON-NLS-1$ |
| displayError(e); |
| } |
| } |
| |
| // add font change listener and update font when the font has been changed |
| JFaceResources.getFontRegistry().addListener(this); |
| |
| |
| fScrollbarSelectionListener = new SelectionAdapter() { |
| |
| public void widgetSelected(SelectionEvent event) { |
| handleScrollBarSelection(); |
| |
| }}; |
| scroll.addSelectionListener(fScrollbarSelectionListener); |
| |
| } |
| |
| private void createCursor(Table table, BigInteger address) |
| { |
| fTableCursor = new TableCursor(table, SWT.NONE); |
| Display display = fTableCursor.getDisplay(); |
| |
| // set up cursor color |
| fTableCursor.setBackground(display.getSystemColor(SWT.COLOR_LIST_SELECTION)); |
| fTableCursor.setForeground(display.getSystemColor(SWT.COLOR_LIST_SELECTION_TEXT)); |
| |
| fTableCursor.setFont(JFaceResources.getFont(IInternalDebugUIConstants.FONT_NAME)); |
| fTableCursor.setVisible(true); |
| fTableCursor.setFocus(); |
| |
| fCursorKeyAdapter = new KeyAdapter() { |
| public void keyPressed(KeyEvent e) |
| { |
| handleCursorKeyPressed(e); |
| } |
| }; |
| fTableCursor.addKeyListener(fCursorKeyAdapter); |
| |
| fCursorTraverseListener = new TraverseListener() { |
| public void keyTraversed(TraverseEvent e) { |
| handleCursorTraverseEvt(e); |
| }}; |
| |
| fTableCursor.addTraverseListener(fCursorTraverseListener); |
| |
| fCursorMouseListener = new MouseAdapter() { |
| public void mouseDown(MouseEvent e) { |
| handleCursorMouseEvent(e); |
| }}; |
| fTableCursor.addMouseListener(fCursorMouseListener); |
| |
| // cursor may be disposed before disposed is called |
| // remove listeners whenever the cursor is disposed |
| fTableCursor.addDisposeListener(new DisposeListener() { |
| public void widgetDisposed(DisposeEvent e) { |
| if (fTableCursor == null) |
| return; |
| fTableCursor.removeTraverseListener(fCursorTraverseListener); |
| fTableCursor.removeKeyListener(fCursorKeyAdapter); |
| fTableCursor.removeMouseListener(fCursorMouseListener); |
| fTableCursor.removeSelectionListener(fCursorSelectionListener); |
| }}); |
| |
| fCursorSelectionListener = new SelectionAdapter() { |
| public void widgetSelected(SelectionEvent e) { |
| |
| if (!fEvtHandleLock.acquireLock(this)) |
| return; |
| |
| handleCursorMoved(); |
| |
| fEvtHandleLock.releaseLock(this); |
| |
| } |
| }; |
| fTableCursor.addSelectionListener(fCursorSelectionListener); |
| |
| |
| setCursorAtAddress(address); |
| |
| fCursorEditor = new TableEditor (fTableViewer.getTable()); |
| } |
| |
| private void handleCursorTraverseEvt(TraverseEvent e){ |
| |
| if (fTableCursor.getRow() == null) |
| return; |
| |
| Table table = (Table)fTableCursor.getParent(); |
| int row = table.indexOf(fTableCursor.getRow()); |
| int col = fTableCursor.getColumn(); |
| if (col == getNumCol() && e.keyCode == SWT.ARROW_RIGHT) |
| { |
| if (row + 1>= table.getItemCount()) |
| { |
| return; |
| } |
| |
| row = row +1; |
| col = 0; |
| fTableCursor.setSelection(row, col); |
| } |
| if (col <= 1 && e.keyCode == SWT.ARROW_LEFT) |
| { |
| if (row-1 < 0) |
| { |
| return; |
| } |
| |
| row = row - 1; |
| col = getNumCol()+1; |
| fTableCursor.setSelection(row, col); |
| } |
| |
| Object evtLockClient = new Object(); |
| if (!fEvtHandleLock.acquireLock(evtLockClient)) |
| return; |
| |
| handleCursorMoved(); |
| |
| fEvtHandleLock.releaseLock(evtLockClient); |
| |
| } |
| |
| /** |
| * Update selected address. |
| * Load more memory if required. |
| */ |
| private void handleCursorMoved() |
| { |
| if (fIsDisposed) |
| return; |
| |
| BigInteger selectedAddress = getSelectedAddressFromCursor(fTableCursor); |
| |
| // when the cursor is moved, the selected address is changed |
| if (selectedAddress != null && !selectedAddress.equals(fSelectedAddress)) |
| { |
| fSelectedAddress = selectedAddress; |
| updateSyncSelectedAddress(); |
| } |
| |
| // now check to see if the cursor is approaching buffer limit |
| TableItem item = fTableCursor.getRow(); |
| if (item == null) |
| return; |
| |
| if (getMemoryBlock() instanceof IMemoryBlockExtension) |
| { |
| int row = fTableViewer.getTable().indexOf(item); |
| |
| if (row < 3) |
| { |
| |
| // get start address |
| int preBuffer = fContentInput.getPreBuffer(); |
| if (preBuffer > 0) |
| { |
| refresh(); |
| setCursorAtAddress(fSelectedAddress); |
| } |
| } |
| else if (row >= fTableViewer.getTable().getItemCount() - 3) |
| { |
| refresh(); |
| setCursorAtAddress(fSelectedAddress); |
| |
| } |
| } |
| |
| // if the cursor has moved, the top index of the table may change |
| // just update the synchronization service |
| BigInteger address = getTopVisibleAddress(); |
| if (!address.equals(fTopRowAddress)) |
| { |
| fTopRowAddress = address; |
| updateSyncTopAddress(); |
| } |
| } |
| |
| private void handleCursorKeyPressed(KeyEvent event) |
| { |
| // allow edit if user hits return |
| if (event.character == '\r' && event.getSource() instanceof TableCursor) |
| { |
| activateCellEditor(null); |
| return; |
| } |
| |
| if (MemoryViewUtil.isValidEditEvent(event.keyCode)) |
| { |
| // activate edit as soon as user types something at the cursor |
| if (event.getSource() instanceof TableCursor) |
| { |
| String initialValue = String.valueOf(event.character); |
| activateCellEditor(initialValue); |
| return; |
| } |
| } |
| } |
| |
| /** |
| * Calculate selected address based on cursor's current position |
| * @param cursor |
| * @return the selected address |
| */ |
| private BigInteger getSelectedAddressFromCursor(TableCursor cursor) |
| { |
| TableItem row = cursor.getRow(); |
| int col = cursor.getColumn(); |
| |
| if (row == null) |
| return null; |
| |
| // get row address |
| String temp = ((TableRenderingLine)row.getData()).getAddress(); |
| BigInteger rowAddress = new BigInteger(temp, 16); |
| |
| int offset; |
| if (col > 0) |
| { |
| // get address offset |
| int addressibleUnit = getAddressibleUnitPerColumn(); |
| offset = (col-1) * addressibleUnit; |
| } |
| else |
| { |
| offset = 0; |
| } |
| |
| return rowAddress.add(BigInteger.valueOf(offset)); |
| } |
| |
| |
| /** |
| * Sets the cursor at the specified address |
| * @param address |
| * @return true if successful, false otherwise |
| */ |
| private boolean setCursorAtAddress(BigInteger address) |
| { |
| // selected address is out of range, simply return false |
| if (address.compareTo(fContentProvider.getBufferTopAddress()) < 0) |
| return false; |
| |
| // calculate selected row address |
| int addressibleUnit = getAddressibleUnitPerLine(); |
| int numOfRows = address.subtract(fContentProvider.getBufferTopAddress()).intValue()/addressibleUnit; |
| BigInteger rowAddress = fContentProvider.getBufferTopAddress().add(BigInteger.valueOf(numOfRows * addressibleUnit)); |
| |
| // try to find the row of the selected address |
| int row = findAddressIndex(address); |
| |
| if (row == -1) |
| { |
| return false; |
| } |
| |
| // calculate offset to the row address |
| BigInteger offset = address.subtract(rowAddress); |
| |
| // locate column |
| int colAddressibleUnit = getAddressibleUnitPerColumn(); |
| int col = ((offset.intValue()/colAddressibleUnit)+1); |
| |
| if (col == 0) |
| col = 1; |
| |
| fTableCursor.setSelection(row, col); |
| |
| return true; |
| } |
| |
| |
| /** |
| * Format view tab based on parameters. |
| * @param bytesPerLine - number of bytes per line, possible values: 16 * addressibleSize |
| * @param columnSize - number of bytes per column, possible values: (1 / 2 / 4 / 8 / 16) * addressibleSize |
| * @return true if format is successful, false, otherwise |
| */ |
| public boolean format(int bytesPerLine, int columnSize) |
| { |
| // selected address gets changed as the cursor is moved |
| // during the reformat. |
| // Back up the address and restore it later. |
| BigInteger selectedAddress = fSelectedAddress; |
| |
| // check parameter, limit number of addressible unit to 16 |
| if (bytesPerLine/fAddressibleSize != IInternalDebugUIConstants.ADD_UNIT_PER_LINE) |
| { |
| return false; |
| } |
| |
| // bytes per cell must be divisible to bytesPerLine |
| if (bytesPerLine % columnSize != 0) |
| { |
| return false; |
| } |
| |
| // do not format if the view tab is already in that format |
| if(fBytePerLine == bytesPerLine && fColumnSize == columnSize){ |
| return false; |
| } |
| |
| fBytePerLine = bytesPerLine; |
| fColumnSize = columnSize; |
| |
| Object evtLockClient = new Object(); |
| if (!fEvtHandleLock.acquireLock(evtLockClient)) |
| return false; |
| |
| // if the tab is already created and is being reformated |
| if (fIsCreated) |
| { |
| if (fTableViewer == null) |
| return false; |
| |
| if (fTableViewer.getTable() == null) |
| return false; |
| |
| // clean up old columns |
| TableColumn[] oldColumns = fTableViewer.getTable().getColumns(); |
| |
| for (int i=0; i<oldColumns.length; i++) |
| { |
| oldColumns[i].dispose(); |
| } |
| |
| // clean up old cell editors |
| CellEditor[] oldCellEditors = fTableViewer.getCellEditors(); |
| |
| for (int i=0; i<oldCellEditors.length; i++) |
| { |
| oldCellEditors[i].dispose(); |
| } |
| } |
| |
| TableColumn column0 = new TableColumn(fTableViewer.getTable(),SWT.LEFT,0); |
| column0.setText(DebugUIMessages.getString("AbstractTableRendering.2")); //$NON-NLS-1$ |
| |
| // create new byte columns |
| TableColumn [] byteColumns = new TableColumn[bytesPerLine/columnSize]; |
| |
| String[] columnLabels = new String[0]; |
| IDebugModelPresentation presentation = DebugUIPlugin.getModelPresentation(); |
| if (presentation instanceof IMemoryBlockTablePresentation) |
| columnLabels = ((IMemoryBlockTablePresentation)presentation).getColumnLabels(getMemoryBlock(), bytesPerLine, getNumCol()); |
| |
| // check that column labels are not null |
| if (columnLabels == null) |
| columnLabels = new String[0]; |
| |
| for (int i=0;i<byteColumns.length; i++) |
| { |
| TableColumn column = new TableColumn(fTableViewer.getTable(), SWT.LEFT, i+1); |
| |
| // if the number of column labels returned is correct |
| // use supplied column labels |
| if (columnLabels.length == byteColumns.length) |
| { |
| column.setText(columnLabels[i]); |
| } |
| else |
| { |
| // otherwise, use default |
| int addressibleUnit = columnSize/fAddressibleSize; |
| if (getAddressibleUnitPerColumn() >= 4) |
| { |
| column.setText(Integer.toHexString(i*addressibleUnit).toUpperCase() + |
| " - " + Integer.toHexString(i*addressibleUnit+addressibleUnit-1).toUpperCase()); //$NON-NLS-1$ |
| } |
| else |
| { |
| column.setText(Integer.toHexString(i*addressibleUnit).toUpperCase()); |
| } |
| } |
| } |
| |
| //Empty column for cursor navigation |
| TableColumn emptyCol = new TableColumn(fTableViewer.getTable(),SWT.LEFT,byteColumns.length+1); |
| emptyCol.setText(" "); //$NON-NLS-1$ |
| emptyCol.setWidth(1); |
| emptyCol.setResizable(false); |
| |
| // +2 to include properties for address and navigation column |
| String[] columnProperties = new String[byteColumns.length+2]; |
| columnProperties[0] = TableRenderingLine.P_ADDRESS; |
| |
| int addressibleUnit = columnSize / getAddressibleSize(); |
| |
| // use column beginning offset to the row address as properties |
| for (int i=1; i<columnProperties.length-1; i++) |
| { |
| // column properties are stored as number of addressible units from the |
| // the line address |
| columnProperties[i] = Integer.toHexString((i-1)*addressibleUnit); |
| } |
| |
| // Empty column for cursor navigation |
| columnProperties[columnProperties.length-1] = " "; //$NON-NLS-1$ |
| |
| fTableViewer.setColumnProperties(columnProperties); |
| |
| |
| Table table = fTableViewer.getTable(); |
| fEditors = new CellEditor[table.getColumnCount()]; |
| for (int i=0; i<fEditors.length; i++) |
| { |
| fEditors[i] = new TextCellEditor(table); |
| } |
| |
| // create and set cell editors |
| fTableViewer.setCellEditors(fEditors); |
| |
| if (fIsCreated) |
| { |
| fTableViewer.refresh(); |
| } |
| |
| |
| resizeColumnsToPreferredSize(); |
| updateSyncColSize(); |
| |
| if (fIsCreated) |
| { |
| // for Linux GTK, this must happen after table viewer is refreshed |
| int i = findAddressIndex(fTopRowAddress); |
| |
| if (i >= 0) |
| setTopIndex(fTableViewer.getTable(), i); |
| |
| if (isAddressVisible(selectedAddress)) |
| // after refresh, make sure the cursor is at the correct position |
| setCursorAtAddress(selectedAddress); |
| } |
| |
| fEvtHandleLock.releaseLock(evtLockClient); |
| |
| return true; |
| } |
| |
| /** |
| * Create the error page for this rendering. |
| * The error page is used to report any error resulted from |
| * getting memory from a memory block. |
| * @param parent |
| */ |
| private void createErrorPage(Composite parent) |
| { |
| if (fTextViewer == null) |
| { |
| fTextViewer = new TextViewer(parent, SWT.WRAP); |
| fTextViewer.setDocument(new Document()); |
| StyledText styleText = fTextViewer.getTextWidget(); |
| styleText.setEditable(false); |
| styleText.setEnabled(false); |
| } |
| } |
| |
| /** |
| * Display content of the table viewer |
| */ |
| public void displayTable() |
| { |
| fIsShowingErrorPage = false; |
| fPageBook.showPage(fTableViewer.getControl()); |
| } |
| |
| /** |
| * Display an error in the view tab. |
| * Make use of the text viewer instead of the table viewer. |
| * @param e |
| */ |
| public void displayError(DebugException e) |
| { |
| StyledText styleText = null; |
| fIsShowingErrorPage = true; |
| |
| styleText = fTextViewer.getTextWidget(); |
| |
| if (styleText != null) |
| styleText.setText(DebugUIMessages.getString("AbstractTableRendering.3") + e.getMessage()); //$NON-NLS-1$ |
| fPageBook.showPage(fTextViewer.getControl()); |
| |
| // clear content cache if we need to display error |
| fContentProvider.clearContentCache(); |
| } |
| |
| public boolean isDisplayingError() |
| { |
| return fIsShowingErrorPage; |
| } |
| |
| public Control getControl() { |
| return fPageBook; |
| } |
| |
| |
| |
| public int getAddressibleSize() { |
| return fAddressibleSize; |
| } |
| |
| private Object getSynchronizedProperty(String propertyId) |
| { |
| IMemoryRenderingSynchronizationService syncService = getMemoryRenderingContainer().getMemoryRenderingSite().getSynchronizationService(); |
| |
| if (syncService == null) |
| return null; |
| |
| return syncService.getProperty(getMemoryBlock(), propertyId); |
| } |
| |
| /** |
| * This method estimates the number of visible lines in the rendering |
| * table. |
| * @return estimated number of visible lines in the table |
| */ |
| private int getNumberOfVisibleLines() |
| { |
| if(fTableViewer == null) |
| return -1; |
| |
| Table table = fTableViewer.getTable(); |
| int height = fTableViewer.getTable().getSize().y; |
| |
| // when table is not yet created, height is zero |
| if (height == 0) |
| { |
| // make use of the table viewer to estimate table size |
| height = fTableViewer.getTable().getParent().getSize().y; |
| } |
| |
| // height of border |
| int border = fTableViewer.getTable().getHeaderHeight(); |
| |
| // height of scroll bar |
| int scroll = fTableViewer.getTable().getHorizontalBar().getSize().y; |
| |
| // height of table is table's area minus border and scroll bar height |
| height = height-border-scroll; |
| |
| // calculate number of visible lines |
| int lineHeight = getMinTableItemHeight(table); |
| |
| int numberOfLines = height/lineHeight; |
| |
| if (numberOfLines < 0) |
| return 20; |
| |
| return numberOfLines; |
| } |
| |
| private static void setTopIndex(Table table, int index) |
| { |
| MemoryViewUtil.linuxWorkAround(table); |
| table.setTopIndex(index); |
| } |
| |
| private void addRenderingToSyncService() |
| { |
| IMemoryRenderingSynchronizationService syncService = getMemoryRenderingContainer().getMemoryRenderingSite().getSynchronizationService(); |
| |
| if (syncService == null) |
| return; |
| |
| syncService.addPropertyChangeListener(this, null); |
| |
| if (!isDisplayingError()) |
| { |
| if (getMemoryRenderingContainer().getMemoryRenderingSite().getSynchronizationProvider() == null) |
| getMemoryRenderingContainer().getMemoryRenderingSite().setSynchronizationProvider(this); |
| |
| // check if there is already synchronization info available |
| Object selectedAddress =getSynchronizedProperty( AbstractTableRendering.PROPERTY_SELECTED_ADDRESS); |
| Object size =getSynchronizedProperty( AbstractTableRendering.PROPERTY_COL_SIZE); |
| Object topAddress =getSynchronizedProperty( AbstractTableRendering.PROPERTY_TOP_ADDRESS); |
| |
| // if info is available, some other view tab has already been |
| // created |
| // do not overwirte info int he synchronizer if that's the case |
| if (selectedAddress == null) { |
| updateSyncSelectedAddress(); |
| } |
| |
| if (size == null) { |
| updateSyncColSize(); |
| } |
| if (topAddress == null) { |
| updateSyncTopAddress(); |
| } |
| } |
| } |
| |
| /** |
| * Get properties from synchronizer and synchronize settings |
| */ |
| private void synchronize() |
| { |
| Integer columnSize = (Integer) getSynchronizedProperty(AbstractTableRendering.PROPERTY_COL_SIZE); |
| BigInteger selectedAddress = (BigInteger)getSynchronizedProperty(AbstractTableRendering.PROPERTY_SELECTED_ADDRESS); |
| BigInteger topAddress = (BigInteger)getSynchronizedProperty(AbstractTableRendering.PROPERTY_TOP_ADDRESS); |
| |
| if (columnSize != null) { |
| int colSize = columnSize.intValue(); |
| if (colSize > 0 && colSize != fColumnSize) { |
| columnSizeChanged(colSize); |
| } |
| } |
| if (topAddress != null) { |
| if (!topAddress.equals(getTopVisibleAddress())) { |
| if (selectedAddress != null) { |
| if (!fSelectedAddress.equals(selectedAddress)) { |
| selectedAddressChanged(selectedAddress); |
| } |
| } |
| topVisibleAddressChanged(topAddress); |
| } |
| } |
| if (selectedAddress != null) { |
| if (selectedAddress.compareTo(fSelectedAddress) != 0) { |
| selectedAddressChanged(selectedAddress); |
| } |
| } |
| } |
| |
| /** |
| * Resize column to the preferred size |
| */ |
| public void resizeColumnsToPreferredSize() { |
| // pack columns |
| Table table = fTableViewer.getTable(); |
| TableColumn[] columns = table.getColumns(); |
| |
| for (int i=0 ;i<columns.length-1; i++) |
| { |
| columns[i].pack(); |
| } |
| |
| if (!fIsShowAddressColumn) |
| { |
| columns[0].setWidth(0); |
| } |
| } |
| |
| /** |
| * update selected address in synchronizer if update is true. |
| */ |
| private void updateSyncSelectedAddress() { |
| |
| if (!fIsCreated) |
| return; |
| PropertyChangeEvent event = new PropertyChangeEvent(this, AbstractTableRendering.PROPERTY_SELECTED_ADDRESS, null, fSelectedAddress); |
| firePropertyChangedEvent(event); |
| } |
| |
| /** |
| * update column size in synchronizer |
| */ |
| private void updateSyncColSize() { |
| |
| if (!fIsCreated) |
| return; |
| |
| PropertyChangeEvent event = new PropertyChangeEvent(this, AbstractTableRendering.PROPERTY_COL_SIZE, null, new Integer(fColumnSize)); |
| firePropertyChangedEvent(event); |
| } |
| |
| /** |
| * update top visible address in synchronizer |
| */ |
| private void updateSyncTopAddress() { |
| |
| if (!fIsCreated) |
| return; |
| |
| PropertyChangeEvent event = new PropertyChangeEvent(this, AbstractTableRendering.PROPERTY_TOP_ADDRESS, null, fTopRowAddress); |
| firePropertyChangedEvent(event); |
| } |
| |
| /** |
| * Fill context menu of this rendering |
| * @param menu |
| */ |
| protected void fillContextMenu(IMenuManager menu) { |
| |
| menu.add(new Separator("topMenu")); //$NON-NLS-1$ |
| menu.add(fResetMemoryBlockAction); |
| menu.add(fGoToAddressAction); |
| |
| menu.add(new Separator()); |
| |
| if (fFormatColumnActions.length > 0) |
| { |
| // Format view tab actions |
| IMenuManager formatMenu = new MenuManager(DebugUIMessages.getString("AbstractTableRendering.5"), //$NON-NLS-1$ |
| "format"); //$NON-NLS-1$ |
| |
| menu.appendToGroup("topMenu", formatMenu); //$NON-NLS-1$ |
| |
| for (int i=0; i<fFormatColumnActions.length; i++) |
| { |
| formatMenu.add(fFormatColumnActions[i]); |
| |
| // add check mark to the action to reflect current format of the view tab |
| if (fFormatColumnActions[i] instanceof FormatColumnAction) |
| { |
| if (((FormatColumnAction)fFormatColumnActions[i]).getColumnSize() == getBytesPerColumn()) |
| { |
| fFormatColumnActions[i].setChecked(true); |
| } |
| else |
| { |
| fFormatColumnActions[i].setChecked(false); |
| } |
| } |
| } |
| } |
| |
| menu.add(new Separator()); |
| menu.add(fReformatAction); |
| menu.add(fToggleAddressColumnAction); |
| menu.add(new Separator()); |
| menu.add(fCopyToClipboardAction); |
| menu.add(fPrintViewTabAction); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.views.memory.ITableMemoryViewTab#getNumAddressibleUnitPerLine() |
| */ |
| public int getAddressibleUnitPerLine() { |
| return fBytePerLine / fAddressibleSize; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.internal.ui.views.memory.ITableMemoryViewTab#getNumbAddressibleUnitPerColumn() |
| */ |
| public int getAddressibleUnitPerColumn() { |
| return fColumnSize / fAddressibleSize; |
| } |
| |
| /** |
| * @return current column size |
| */ |
| public int getBytesPerColumn() |
| { |
| return fColumnSize; |
| } |
| |
| /** |
| * @return number of bytes per line |
| */ |
| public int getBytesPerLine() |
| { |
| return fBytePerLine; |
| } |
| |
| /** |
| * Update labels of this rendering without regetting memory from the |
| * memory block. |
| */ |
| public void updateLabels() |
| { |
| // update tab labels |
| updateRenderingLabel(true); |
| |
| if (fTableViewer != null) |
| { |
| // update column labels |
| setColumnHeadings(); |
| fTableViewer.refresh(); |
| } |
| } |
| |
| protected void updateRenderingLabel(boolean showAddress) |
| { |
| fLabel = ""; //$NON-NLS-1$ |
| try { |
| if (getMemoryBlock() instanceof IMemoryBlockExtension) |
| { |
| fLabel = ((IMemoryBlockExtension)getMemoryBlock()).getExpression(); |
| |
| if (fLabel.startsWith("&")) //$NON-NLS-1$ |
| fLabel = "&" + fLabel; //$NON-NLS-1$ |
| |
| if (fLabel == null) |
| { |
| fLabel = DebugUIMessages.getString("AbstractTableRendering.8"); //$NON-NLS-1$ |
| } |
| |
| if (showAddress && ((IMemoryBlockExtension)getMemoryBlock()).getBigBaseAddress() != null) |
| { |
| fLabel += " : 0x"; //$NON-NLS-1$ |
| fLabel += ((IMemoryBlockExtension)getMemoryBlock()).getBigBaseAddress().toString(16); |
| } |
| } |
| else |
| { |
| long address = getMemoryBlock().getStartAddress(); |
| fLabel = Long.toHexString(address); |
| } |
| } catch (DebugException e) { |
| fLabel = DebugUIMessages.getString("AbstractTableRendering.9"); //$NON-NLS-1$ |
| DebugUIPlugin.log(e.getStatus()); |
| } |
| |
| String preName = DebugUITools.getMemoryRenderingManager().getRenderingType(getRenderingId()).getLabel(); |
| |
| if (preName != null) |
| fLabel += " <" + preName + ">"; //$NON-NLS-1$ //$NON-NLS-2$ |
| |
| firePropertyChangedEvent(new PropertyChangeEvent(this, IBasicPropertyConstants.P_TEXT, null, fLabel)); |
| } |
| |
| private void setColumnHeadings() |
| { |
| String[] columnLabels = new String[0]; |
| |
| IDebugModelPresentation presentation = DebugUIPlugin.getModelPresentation(); |
| if (presentation instanceof IMemoryBlockTablePresentation) |
| columnLabels = ((IMemoryBlockTablePresentation)presentation).getColumnLabels(getMemoryBlock(), fBytePerLine, getNumCol()); |
| |
| // check that column labels returned are not null |
| if (columnLabels == null) |
| columnLabels = new String[0]; |
| |
| int numByteColumns = fBytePerLine/fColumnSize; |
| |
| TableColumn[] columns = fTableViewer.getTable().getColumns(); |
| |
| int j=0; |
| for (int i=1; i<columns.length-1; i++) |
| { |
| // if the number of column labels returned is correct |
| // use supplied column labels |
| if (columnLabels.length == numByteColumns) |
| { |
| columns[i].setText(columnLabels[j]); |
| j++; |
| } |
| else |
| { |
| // otherwise, use default |
| if (fColumnSize >= 4) |
| { |
| columns[i].setText(Integer.toHexString(i*fColumnSize).toUpperCase() + |
| " - " + Integer.toHexString(i*fColumnSize+fColumnSize-1).toUpperCase()); //$NON-NLS-1$ |
| } |
| else |
| { |
| columns[i].setText(Integer.toHexString(i*fColumnSize).toUpperCase()); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Refresh the table viewer with the current top visible address. |
| * Update labels in the memory rendering. |
| */ |
| public void refresh() |
| { |
| // refresh at start address of this memory block |
| // address may change if expression is evaluated to a different value |
| IMemoryBlock mem = getMemoryBlock(); |
| BigInteger address; |
| |
| if (mem instanceof IMemoryBlockExtension) |
| { |
| address = ((IMemoryBlockExtension)mem).getBigBaseAddress(); |
| |
| if (address == null) |
| { |
| DebugException e = new DebugException(DebugUIPlugin.newErrorStatus(DebugUIMessages.getString("AbstractTableRendering.10"), null)); //$NON-NLS-1$ |
| displayError(e); |
| return; |
| } |
| |
| updateRenderingLabel(true); |
| |
| // base address has changed |
| if (address.compareTo(fContentProvider.getContentBaseAddress()) != 0) |
| { |
| // get to new address |
| fSelectedAddress = address; |
| updateSyncSelectedAddress(); |
| reloadTable(address, true); |
| |
| fTopRowAddress = address; |
| updateSyncTopAddress(); |
| |
| fContentInput.updateContentBaseAddress(); |
| } |
| else |
| { |
| // reload at top of table |
| address = getTopVisibleAddress(); |
| reloadTable(address, true); |
| } |
| } |
| else |
| { |
| address = BigInteger.valueOf(mem.getStartAddress()); |
| reloadTable(address, true); |
| } |
| } |
| |
| synchronized private void reloadTable(BigInteger topAddress, boolean updateDelta){ |
| |
| if (fTableViewer == null) |
| return; |
| |
| try |
| { |
| Table table = (Table)fTableViewer.getControl(); |
| |
| TableRenderingContentInput input = new TableRenderingContentInput(this, fContentInput.getPreBuffer(), fContentInput.getPostBuffer(), fContentInput.getDefaultBufferSize(), topAddress, getNumberOfVisibleLines(), updateDelta); |
| fContentInput = input; |
| fTableViewer.setInput(fContentInput); |
| |
| if (getMemoryBlock() instanceof IMemoryBlockExtension) |
| { |
| int topIdx = findAddressIndex(topAddress); |
| |
| if (topIdx != -1) |
| { |
| setTopIndex(table, topIdx); |
| } |
| } |
| |
| // cursor needs to be refreshed after reload |
| if (isAddressVisible(fSelectedAddress)) |
| setCursorAtAddress(fSelectedAddress); |
| |
| MemoryViewUtil.linuxWorkAround(fTableViewer.getTable()); |
| } |
| finally |
| { |
| } |
| } |
| |
| private BigInteger getTopVisibleAddress() { |
| |
| if (fTableViewer == null) |
| return BigInteger.valueOf(0); |
| |
| Table table = fTableViewer.getTable(); |
| int topIndex = getTopVisibleIndex(table); |
| |
| if (topIndex < 1) { topIndex = 0; } |
| |
| if (table.getItemCount() > topIndex) |
| { |
| TableRenderingLine topItem = (TableRenderingLine)table.getItem(topIndex).getData(); |
| |
| String calculatedAddress = null; |
| if (topItem == null) |
| { |
| calculatedAddress = table.getItem(topIndex).getText(); |
| } |
| else |
| { |
| calculatedAddress = topItem.getAddress(); |
| } |
| |
| BigInteger bigInt = new BigInteger(calculatedAddress, 16); |
| return bigInt; |
| } |
| return BigInteger.valueOf(0); |
| } |
| |
| private int findAddressIndex(BigInteger address) |
| { |
| TableItem items[] = fTableViewer.getTable().getItems(); |
| |
| for (int i=0; i<items.length; i++){ |
| |
| // Again, when the table resizes, the table may have a null item |
| // at then end. This is to handle that. |
| if (items[i] != null) |
| { |
| TableRenderingLine line = (TableRenderingLine)items[i].getData(); |
| BigInteger lineAddress = new BigInteger(line.getAddress(), 16); |
| int addressibleUnit = getAddressibleUnitPerLine(); |
| BigInteger endLineAddress = lineAddress.add(BigInteger.valueOf(addressibleUnit)); |
| |
| if (lineAddress.compareTo(address) <= 0 && endLineAddress.compareTo(address) > 0) |
| { |
| return i; |
| } |
| } |
| } |
| |
| return -1; |
| } |
| |
| private static int getTopVisibleIndex(Table table) |
| { |
| MemoryViewUtil.linuxWorkAround(table); |
| int index = table.getTopIndex(); |
| |
| TableItem item = table.getItem(index); |
| |
| MemoryViewUtil.linuxWorkAround(table); |
| while (item.getBounds(0).y < 0) |
| { |
| index++; |
| item = table.getItem(index); |
| } |
| |
| return index; |
| } |
| |
| public TableViewer getTableViewer() |
| { |
| return fTableViewer; |
| } |
| |
| public void dispose() { |
| try { |
| // prevent rendering from being disposed again |
| if (fIsDisposed) |
| return; |
| |
| fIsDisposed = true; |
| |
| if (fContentProvider != null) |
| fContentProvider.dispose(); |
| |
| ScrollBar scroll = ((Table)fTableViewer.getControl()).getVerticalBar(); |
| if (scroll != null) |
| scroll.removeSelectionListener(fScrollbarSelectionListener); |
| |
| fTableCursor.removeTraverseListener(fCursorTraverseListener); |
| fTableCursor.removeKeyListener(fCursorKeyAdapter); |
| fTableCursor.removeMouseListener(fCursorMouseListener); |
| |
| fCursorEditor.dispose(); |
| |
| fTextViewer = null; |
| fTableViewer = null; |
| fTableCursor = null; |
| |
| // clean up cell editors |
| for (int i=0; i<fEditors.length; i++) |
| { |
| fEditors[i].dispose(); |
| } |
| |
| // remove font change listener when the view tab is disposed |
| JFaceResources.getFontRegistry().removeListener(this); |
| |
| // remove the view tab from the synchronizer |
| IMemoryRenderingSynchronizationService syncService = getMemoryRenderingContainer().getMemoryRenderingSite().getSynchronizationService(); |
| if (syncService != null) |
| syncService.removePropertyChangeListener(this); |
| |
| super.dispose(); |
| |
| } catch (Exception e) {} |
| } |
| |
| private int getNumCol() { |
| |
| int bytesPerLine = getBytesPerLine(); |
| int columnSize = getBytesPerColumn(); |
| |
| return bytesPerLine/columnSize; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.ui.IMemoryViewTab#setFont(org.eclipse.swt.graphics.Font) |
| */ |
| private void setFont(Font font) |
| { |
| int oldIdx = getTopVisibleIndex(fTableViewer.getTable()); |
| |
| // BUG in table, if font is changed when table is not starting |
| // from the top, causes table gridline to be misaligned. |
| setTopIndex(fTableViewer.getTable(), 0); |
| |
| // set font |
| fTableViewer.getTable().setFont(font); |
| fTableCursor.setFont(font); |
| |
| setTopIndex(fTableViewer.getTable(), oldIdx); |
| |
| resizeColumnsToPreferredSize(); |
| |
| // update table cursor and force redraw |
| setCursorAtAddress(fSelectedAddress); |
| } |
| |
| |
| /** |
| * Move cursor to the specified address. |
| * Will load more memory if the address is not currently visible. |
| * @param address |
| * @throws DebugException |
| */ |
| public void goToAddress(BigInteger address) throws DebugException { |
| Object evtLockClient = new Object(); |
| try |
| { |
| if (!fEvtHandleLock.acquireLock(evtLockClient)) |
| return; |
| |
| // if address is within the range, highlight |
| if (!isAddressOutOfRange(address)) |
| { |
| fSelectedAddress = address; |
| updateSyncSelectedAddress(); |
| setCursorAtAddress(fSelectedAddress); |
| |
| // force the cursor to be shown |
| if (!isAddressVisible(fSelectedAddress)) |
| { |
| int i = findAddressIndex(fSelectedAddress); |
| fTableViewer.getTable().showItem(fTableViewer.getTable().getItem(i)); |
| } |
| } |
| else |
| { |
| // if not extended memory block |
| // do not allow user to go to an address that's out of range |
| if (!(getMemoryBlock() instanceof IMemoryBlockExtension)) |
| { |
| Status stat = new Status( |
| IStatus.ERROR, DebugUIPlugin.getUniqueIdentifier(), |
| DebugException.NOT_SUPPORTED, DebugUIMessages.getString("AbstractTableRendering.11"), null //$NON-NLS-1$ |
| ); |
| DebugException e = new DebugException(stat); |
| throw e; |
| } |
| |
| fSelectedAddress = address; |
| updateSyncSelectedAddress(); |
| |
| //otherwise, reload at the address |
| reloadTable(address,false); |
| |
| // if the table is reloaded, the top address is chagned in this case |
| fTopRowAddress = address; |
| updateSyncTopAddress(); |
| |
| // set the cursor at the selected address after reload |
| setCursorAtAddress(address); |
| } |
| fTableCursor.setVisible(true); |
| } |
| catch (DebugException e) |
| { |
| throw e; |
| } |
| finally |
| { |
| fEvtHandleLock.releaseLock(evtLockClient); |
| } |
| } |
| |
| /** |
| * Check if address provided is out of buffered range |
| * @param address |
| * @return if address is out of bufferred range |
| */ |
| private boolean isAddressOutOfRange(BigInteger address) |
| { |
| return fContentProvider.isAddressOutOfRange(address); |
| } |
| |
| /** |
| * Check if address is visible |
| * @param address |
| * @return if the given address is visible |
| */ |
| private boolean isAddressVisible(BigInteger address) |
| { |
| // if view tab is not yet created |
| // cursor should always be visible |
| if (!fIsCreated) |
| return true; |
| |
| BigInteger topVisible = getTopVisibleAddress(); |
| int addressibleUnit = getAddressibleUnitPerLine(); |
| BigInteger lastVisible = getTopVisibleAddress().add(BigInteger.valueOf((getNumberOfVisibleLines() * addressibleUnit) + addressibleUnit)); |
| |
| if (topVisible.compareTo(address) <= 0 && lastVisible.compareTo(address) > 0) |
| { |
| return true; |
| } |
| return false; |
| } |
| |
| /** |
| * Create actions for the view tab |
| */ |
| protected void createActions() { |
| fCopyToClipboardAction = new CopyTableRenderingToClipboardAction(this); |
| fGoToAddressAction = new GoToAddressAction(this); |
| fResetMemoryBlockAction = new ResetToBaseAddressAction(this); |
| fPrintViewTabAction = new PrintTableRenderingAction(this); |
| |
| fFormatColumnActions = new Action[6]; |
| fFormatColumnActions[0] = new FormatColumnAction(1, fAddressibleSize, this); |
| fFormatColumnActions[1] = new FormatColumnAction(2, fAddressibleSize, this); |
| fFormatColumnActions[2] = new FormatColumnAction(4, fAddressibleSize, this); |
| fFormatColumnActions[3] = new FormatColumnAction(8, fAddressibleSize, this); |
| fFormatColumnActions[4] = new FormatColumnAction(16, fAddressibleSize, this); |
| fFormatColumnActions[5] = new SetColumnSizeDefaultAction(this); |
| |
| fReformatAction = new ReformatAction(this); |
| fToggleAddressColumnAction = new ToggleAddressColumnAction(); |
| } |
| |
| /** |
| * Handle scrollling and reload table if necessary |
| * @param event |
| */ |
| private synchronized void handleScrollBarSelection() |
| { |
| Object evtLockClient = new Object(); |
| try |
| { |
| if (fIsDisposed) |
| return; |
| |
| BigInteger address = getTopVisibleAddress(); |
| |
| if (!fTopRowAddress.equals(address)) |
| { |
| fTopRowAddress = address; |
| updateSyncTopAddress(); |
| } |
| |
| if (!fEvtHandleLock.acquireLock(evtLockClient)) |
| return; |
| |
| if (getMemoryBlock() instanceof IMemoryBlockExtension) |
| { |
| if (!isAddressOutOfRange(address)) |
| { |
| Table table = fTableViewer.getTable(); |
| int numInBuffer = table.getItemCount(); |
| int index = findAddressIndex(address); |
| if (index < 3) |
| { |
| if (fContentInput.getPreBuffer() == 0) |
| setTopIndex(table, index); |
| else |
| reloadTable(address, false); |
| } |
| else if ((numInBuffer-(index+getNumberOfVisibleLines())) < 3) |
| { |
| reloadTable(address, false); |
| } |
| } |
| else |
| { |
| // approaching limit, reload table |
| reloadTable(address, false); |
| } |
| |
| if (isAddressVisible(fSelectedAddress)) |
| fTableCursor.setVisible(true); |
| else |
| fTableCursor.setVisible(false); |
| } |
| } |
| finally |
| { |
| fEvtHandleLock.releaseLock(evtLockClient); |
| } |
| } |
| |
| |
| private boolean needMoreLines() |
| { |
| if (getMemoryBlock() instanceof IMemoryBlockExtension) |
| { |
| Table table = fTableViewer.getTable(); |
| TableItem firstItem = table.getItem(0); |
| TableItem lastItem = table.getItem(table.getItemCount()-1); |
| |
| if (firstItem == null || lastItem == null) |
| return true; |
| |
| TableRenderingLine first = (TableRenderingLine)firstItem.getData(); |
| TableRenderingLine last = (TableRenderingLine) lastItem.getData(); |
| |
| if (first == null ||last == null) |
| { |
| // For some reason, the table does not return the correct number |
| // of table items in table.getItemCount(), causing last to be null. |
| // This check is to ensure that we don't get a null pointer exception. |
| return true; |
| } |
| |
| BigInteger startAddress = new BigInteger(first.getAddress(), 16); |
| BigInteger lastAddress = new BigInteger(last.getAddress(), 16); |
| int addressibleUnit = getAddressibleUnitPerLine(); |
| lastAddress = lastAddress.add(BigInteger.valueOf(addressibleUnit)); |
| |
| BigInteger topVisibleAddress = getTopVisibleAddress(); |
| long numVisibleLines = getNumberOfVisibleLines(); |
| long numOfBytes = numVisibleLines * addressibleUnit; |
| |
| BigInteger lastVisibleAddrss = topVisibleAddress.add(BigInteger.valueOf(numOfBytes)); |
| |
| // if there are only 3 lines left at the top, refresh |
| BigInteger numTopLine = topVisibleAddress.subtract(startAddress).divide(BigInteger.valueOf(addressibleUnit)); |
| if (numTopLine.compareTo(BigInteger.valueOf(3)) <= 0 && (startAddress.compareTo(BigInteger.valueOf(0)) != 0)) |
| return true; |
| |
| // if there are only 3 lines left at the bottom, refresh |
| BigInteger numBottomLine = lastAddress.subtract(lastVisibleAddrss).divide(BigInteger.valueOf(addressibleUnit)); |
| if (numBottomLine.compareTo(BigInteger.valueOf(3)) <= 0) |
| { |
| return true; |
| } |
| |
| return false; |
| } |
| |
| return false; |
| } |
| |
| private void handleTableMouseEvent(MouseEvent e) { |
| // figure out new cursor position based on here the mouse is pointing |
| TableItem[] tableItems = fTableViewer.getTable().getItems(); |
| TableItem selectedRow = null; |
| int colNum = -1; |
| int numCol = fTableViewer.getColumnProperties().length; |
| |
| for (int j=0; j<tableItems.length; j++) |
| { |
| TableItem item = tableItems[j]; |
| for (int i=0; i<numCol; i++) |
| { |
| Rectangle bound = item.getBounds(i); |
| if (bound.contains(e.x, e.y)) |
| { |
| colNum = i; |
| selectedRow = item; |
| break; |
| } |
| } |
| } |
| |
| // if column position cannot be determined, return |
| if (colNum < 1) |
| return; |
| |
| // handle user mouse click onto table |
| // move cursor to new position |
| if (selectedRow != null) |
| { |
| int row = fTableViewer.getTable().indexOf(selectedRow); |
| fTableCursor.setVisible(true); |
| fTableCursor.setSelection(row, colNum); |
| |
| // manually call this since we don't get an event when |
| // the table cursor changes selection. |
| handleCursorMoved(); |
| |
| fTableCursor.setFocus(); |
| } |
| } |
| |
| /** |
| * Handle column size changed event from synchronizer |
| * @param newColumnSize |
| */ |
| private void columnSizeChanged(final int newColumnSize) { |
| // ignore event if view tab is disabled |
| if (!isVisible()) |
| return; |
| |
| Display.getDefault().asyncExec(new Runnable() { |
| public void run() { |
| format(getBytesPerLine(), newColumnSize); |
| } |
| }); |
| } |
| |
| private void handleCursorMouseEvent(MouseEvent e){ |
| if (e.button == 1) |
| { |
| int col = fTableCursor.getColumn(); |
| if (col > 0 && col <= (getNumCol())) |
| activateCellEditor(null); |
| } |
| } |
| |
| /** |
| * Activate celll editor and prefill it with initial value. |
| * If initialValue is null, use cell content as initial value |
| * @param initialValue |
| */ |
| private void activateCellEditor(String initialValue) { |
| |
| int col = fTableCursor.getColumn(); |
| int row = findAddressIndex(fSelectedAddress); |
| |
| if (row < 0) |
| return; |
| // do not allow user to edit address column |
| if (col == 0 || col > getNumCol()) |
| { |
| return; |
| } |
| |
| ICellModifier cellModifier = null; |
| |
| if (fTableViewer == null) |
| { |
| return; |
| } |
| cellModifier = fTableViewer.getCellModifier(); |
| |
| TableItem tableItem = fTableViewer.getTable().getItem(row); |
| |
| Object element = tableItem.getData(); |
| Object property = fTableViewer.getColumnProperties()[col]; |
| Object value = cellModifier.getValue(element, (String)property); |
| |
| // The cell modifier canModify function always returns false if the edit action |
| // is not invoked from here. This is to prevent data to be modified when |
| // the table cursor loses focus from a cell. By default, data will |
| // be changed in a table when the cell loses focus. This is to workaround |
| // this default behaviour and only change data when the cell editor |
| // is activated. |
| ((TableRenderingCellModifier)cellModifier).setEditActionInvoked(true); |
| boolean canEdit = cellModifier.canModify(element, (String)property); |
| ((TableRenderingCellModifier)cellModifier).setEditActionInvoked(false); |
| |
| if (!canEdit) |
| return; |
| |
| // activate based on current cursor position |
| TextCellEditor selectedEditor = (TextCellEditor)fTableViewer.getCellEditors()[col]; |
| |
| |
| if (fTableViewer != null && cellModifier != null && selectedEditor != null && tableItem != null) |
| { |
| // The control that will be the editor must be a child of the Table |
| Text text = (Text)selectedEditor.getControl(); |
| |
| String cellValue = null; |
| |
| if (initialValue != null) |
| { |
| cellValue = initialValue; |
| } |
| else |
| { |
| cellValue = ((String)value); |
| } |
| |
| text.setText(cellValue); |
| |
| fCursorEditor.horizontalAlignment = SWT.LEFT; |
| fCursorEditor.grabHorizontal = true; |
| |
| // Open the text editor in selected column of the selected row. |
| fCursorEditor.setEditor (text, tableItem, col); |
| |
| // Assign focus to the text control |
| selectedEditor.setFocus(); |
| |
| if (initialValue != null) |
| { |
| text.clearSelection(); |
| } |
| |
| text.setFont(JFaceResources.getFont(IInternalDebugUIConstants.FONT_NAME)); |
| |
| // add listeners for the text control |
| addListeners(text); |
| |
| // move cursor below text control |
| fTableCursor.moveBelow(text); |
| } |
| } |
| |
| /** |
| * @param text |
| */ |
| private void addListeners(Text text) { |
| fEditorFocusListener = new FocusAdapter() { |
| public void focusLost(FocusEvent e) |
| { |
| handleTableEditorFocusLost(e); |
| } |
| }; |
| text.addFocusListener(fEditorFocusListener); |
| |
| fEditorKeyListener = new KeyAdapter() { |
| public void keyPressed(KeyEvent e) { |
| handleKeyEventInEditor(e); |
| } |
| }; |
| |
| text.addKeyListener(fEditorKeyListener); |
| } |
| |
| /** |
| * @param text |
| */ |
| private void removeListeners(Text text) { |
| |
| text.removeFocusListener(fEditorFocusListener); |
| text.removeKeyListener(fEditorKeyListener); |
| } |
| |
| private void handleTableEditorFocusLost(FocusEvent event) |
| { |
| final FocusEvent e = event; |
| |
| Display.getDefault().syncExec(new Runnable() { |
| |
| public void run() |
| { |
| try |
| { |
| int row = findAddressIndex(fSelectedAddress); |
| int col = fTableCursor.getColumn(); |
| |
| Text text = (Text)e.getSource(); |
| removeListeners(text); |
| |
| // get new value |
| String newValue = text.getText(); |
| |
| // modify memory at fRow and fCol |
| modifyValue(row, col, newValue); |
| |
| // show cursor after modification is completed |
| setCursorAtAddress(fSelectedAddress); |
| fTableCursor.moveAbove(text); |
| fTableCursor.setVisible(false); |
| fTableCursor.setVisible(true); |
| } |
| catch (NumberFormatException e1) |
| { |
| MemoryViewUtil.openError(DebugUIMessages.getString(TableRenderingCellModifier.TITLE), |
| DebugUIMessages.getString(TableRenderingCellModifier.DATA_IS_INVALID), null); |
| } |
| } |
| }); |
| } |
| |
| /** |
| * @param event |
| */ |
| private void handleKeyEventInEditor(KeyEvent event) { |
| final KeyEvent e = event; |
| Display.getDefault().asyncExec(new Runnable() |
| { |
| public void run() |
| { |
| Text text = (Text)e.getSource(); |
| int row = findAddressIndex(fSelectedAddress); |
| int col = fTableCursor.getColumn(); |
| |
| try |
| { |
| switch (e.keyCode) |
| { |
| case SWT.ARROW_UP : |
| |
| // move text editor box up one row |
| if (row-1 < 0) |
| return; |
| |
| // modify value for current cell |
| modifyValue(row, col, text.getText()); |
| |
| row--; |
| |
| // update cursor location and selection in table |
| fTableCursor.setSelection(row, col); |
| handleCursorMoved(); |
| |
| // remove listeners when focus is lost |
| removeListeners(text); |
| activateCellEditor(null); |
| break; |
| case SWT.ARROW_DOWN : |
| |
| // move text editor box down one row |
| |
| if (row+1 >= fTableViewer.getTable().getItemCount()) |
| return; |
| |
| // modify value for current cell |
| modifyValue(row, col, text.getText()); |
| |
| row++; |
| |
| // update cursor location and selection in table |
| fTableCursor.setSelection(row, col); |
| handleCursorMoved(); |
| |
| // remove traverse listener when focus is lost |
| removeListeners(text); |
| activateCellEditor(null); |
| break; |
| case 0: |
| |
| // if user has entered the max number of characters allowed in a cell, move to next cell |
| // Extra changes will be used as initial value for the next cell |
| int numCharsPerByte = getNumCharsPerByte(); |
| if (numCharsPerByte > 0) |
| { |
| if (text.getText().length() > getBytesPerColumn()*numCharsPerByte) |
| { |
| String newValue = text.getText(); |
| text.setText(newValue.substring(0, getBytesPerColumn()*numCharsPerByte)); |
| |
| modifyValue(row, col, text.getText()); |
| |
| // if cursor is at the end of a line, move to next line |
| if (col >= getNumCol()) |
| { |
| col = 1; |
| row++; |
| } |
| else |
| { |
| // move to next column |
| row++; |
| } |
| |
| // update cursor position and selected address |
| fTableCursor.setSelection(row, col); |
| handleCursorMoved(); |
| |
| removeListeners(text); |
| |
| // activate text editor at next cell |
| activateCellEditor(newValue.substring(getBytesPerColumn()*numCharsPerByte)); |
| } |
| } |
| break; |
| case SWT.ESC: |
| |
| // if user has pressed escape, do not commit the changes |
| // that's why "modifyValue" is not called |
| fTableCursor.setSelection(row, col); |
| handleCursorMoved(); |
| |
| removeListeners(text); |
| |
| // cursor needs to have focus to remove focus from cell editor |
| fTableCursor.setFocus(); |
| break; |
| default : |
| numCharsPerByte = getNumCharsPerByte(); |
| if (numCharsPerByte > 0) |
| { |
| if (text.getText().length()> getBytesPerColumn()* numCharsPerByte) |
| { |
| String newValue = text.getText(); |
| text.setText(newValue.substring(0,getBytesPerColumn()* numCharsPerByte)); |
| modifyValue(row, col, text.getText()); |
| // if cursor is at the end of a line, move to next line |
| if (col >= getNumCol()) |
| { |
| col = 1; |
| row++; |
| } |
| else |
| { |
| col++; |
| } |
| |
| fTableCursor.setSelection(row, col); |
| handleCursorMoved(); |
| |
| removeListeners(text); |
| |
| activateCellEditor(newValue.substring(getBytesPerColumn()*numCharsPerByte)); |
| } |
| } |
| break; |
| } |
| } |
| catch (NumberFormatException e1) |
| { |
| MemoryViewUtil.openError(DebugUIMessages.getString(TableRenderingCellModifier.TITLE), |
| DebugUIMessages.getString(TableRenderingCellModifier.DATA_IS_INVALID), null); |
| |
| fTableCursor.setSelection(row, col); |
| handleCursorMoved(); |
| |
| removeListeners(text); |
| } |
| } |
| }); |
| } |
| |
| |
| /** |
| * Modify value and send new value to debug adapter |
| * @param row |
| * @param col |
| * @param newValue |
| * @throws NumberFormatException |
| */ |
| private void modifyValue(int row, int col, String newValue) throws NumberFormatException |
| { |
| if (newValue.length() == 0) |
| { |
| // do not do anything if user has not entered anything |
| return; |
| } |
| |
| TableItem tableItem = fTableViewer.getTable().getItem(row); |
| |
| Object property = fTableViewer.getColumnProperties()[col]; |
| fTableViewer.getCellModifier().modify(tableItem, (String)property, newValue); |
| } |
| |
| public void becomesHidden() { |
| |
| if (isVisible() == false) |
| return; |
| |
| super.becomesHidden(); |
| |
| if (getMemoryBlock() instanceof IMemoryBlockExtension) |
| { |
| updateRenderingLabel(false); |
| } |
| |
| // once the view tab is disabled, all deltas information becomes invalid. |
| // reset changed information and recompute if data has really changed when |
| // user revisits the same tab. |
| fContentProvider.resetDeltas(); |
| |
| } |
| public void becomesVisible() { |
| |
| // do not do anything if already visible |
| if (isVisible() == true) |
| return; |
| |
| super.becomesVisible(); |
| |
| IMemoryBlock mem = getMemoryBlock(); |
| |
| BigInteger oldBase = fContentProvider.getContentBaseAddress(); |
| |
| refresh(); |
| |
| if (mem instanceof IMemoryBlockExtension) |
| { |
| BigInteger baseAddress = ((IMemoryBlockExtension)mem).getBigBaseAddress(); |
| |
| if (baseAddress == null) |
| { |
| if (fSelectedAddress != null) |
| baseAddress = fSelectedAddress; |
| else |
| baseAddress = new BigInteger("0"); //$NON-NLS-1$ |
| } |
| |
| Object[] connected = ((IMemoryBlockExtension)mem).getConnected(); |
| |
| // if the base address has changed, update cursor |
| // and this is the first time this memory block is enabled |
| if (!baseAddress.equals(oldBase) && connected.length == 1) |
| { |
| fSelectedAddress = baseAddress; |
| setCursorAtAddress(fSelectedAddress); |
| |
| updateSyncTopAddress(); |
| updateSyncSelectedAddress(); |
| } |
| else |
| { |
| // otherwise, take synchronized settings |
| synchronize(); |
| } |
| } |
| else |
| { |
| synchronize(); |
| } |
| updateRenderingLabel(true); |
| } |
| |
| /** |
| * Reset this memory rendering. |
| * Cursor will be moved to the base address of the memory block. |
| * The table will be positioned back to have the base address |
| * at the top. |
| */ |
| public void reset() |
| { |
| BigInteger baseAddress; |
| |
| if (getMemoryBlock() instanceof IMemoryBlockExtension) |
| { |
| baseAddress = ((IMemoryBlockExtension)getMemoryBlock()).getBigBaseAddress(); |
| } |
| else |
| { |
| baseAddress = BigInteger.valueOf(getMemoryBlock().getStartAddress()); |
| } |
| try { |
| goToAddress(baseAddress); |
| topVisibleAddressChanged(baseAddress); |
| } catch (DebugException e) { |
| MemoryViewUtil.openError(DebugUIMessages.getString("AbstractTableRendering.12"), DebugUIMessages.getString("AbstractTableRendering.13"), e); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| } |
| |
| /** |
| * @return the current selected address in the rendering. |
| */ |
| public BigInteger getSelectedAddress() { |
| return fSelectedAddress; |
| } |
| |
| /** |
| * @return the content at the selected address. |
| */ |
| public String getSelectedContent() { |
| |
| if (isAddressOutOfRange(fSelectedAddress)) |
| return ""; //$NON-NLS-1$ |
| |
| int col = fTableCursor.getColumn(); |
| TableItem rowItem = fTableCursor.getRow(); |
| int row = fTableViewer.getTable().indexOf(rowItem); |
| |
| // check precondition |
| if (col == 0 || col > getBytesPerLine()/getBytesPerColumn()) |
| { |
| return ""; //$NON-NLS-1$ |
| } |
| |
| TableItem tableItem = getTableViewer().getTable().getItem(row); |
| |
| return tableItem.getText(col); |
| } |
| |
| public void activated() { |
| super.activated(); |
| |
| // When the rendering is resized, the rendering does not handle |
| // any resize event to figure out if more memory should be loaded. |
| // Instead the rendering checks to see if the table has enough memory |
| // to display when it becomes activated. |
| // This is to ensure that the refresh does not interfere with the |
| // resize event due to limitation to Linux GTK. The display event loop |
| // in linuxWorkAround will cause the resize to fail sometimes. |
| BigInteger lastAddress = fTopRowAddress.add(BigInteger.valueOf((getNumberOfVisibleLines()-3) * getBytesPerLine() + getBytesPerLine())); |
| |
| // force a reload if the last address is out of buffer range |
| if (isAddressOutOfRange(lastAddress)) |
| { |
| refresh(); |
| } |
| } |
| |
| /** |
| * @return number of characters a byte will converted to. Return |
| * -1 if this value is unknown. |
| */ |
| public int getNumCharsPerByte() |
| { |
| return -1; |
| } |
| |
| private int getMinTableItemHeight(Table table){ |
| |
| // Hack to get around Linux GTK problem. |
| // On Linux GTK, table items have variable item height as |
| // carriage returns are actually shown in a cell. Some rows will be |
| // taller than others. When calculating number of visible lines, we |
| // need to find the smallest table item height. Otherwise, the rendering |
| // underestimates the number of visible lines. As a result the rendering |
| // will not be able to get more memory as needed. |
| if (MemoryViewUtil.isLinuxGTK()) |
| { |
| // check each of the items and find the minimum |
| TableItem[] items = table.getItems(); |
| int minHeight = table.getItemHeight(); |
| for (int i=0; i<items.length; i++) |
| { |
| minHeight = Math.min(items[i].getBounds(0).height, minHeight); |
| } |
| |
| return minHeight; |
| |
| } |
| return table.getItemHeight(); |
| } |
| |
| /** |
| * This is called by the label provider for <code>AbstractTableRendering</code> Implementor can |
| * reuse a memory view tab and presents data in a different format. |
| * |
| * @param dataType - |
| * type of data the bytes hold |
| * @param address - |
| * addres where the bytes belong to |
| * @param data - |
| * the bytes |
| * @param paddedStr - |
| * fill each byte that is invalid with this padded string. |
| * @return a string to represent the memory. Do not return null. Return a |
| * string to pad the cell if the memory cannot be converted |
| * successfully. |
| */ |
| abstract public String getString(String dataType, BigInteger address, MemoryByte[] data); |
| |
| /** |
| * This is called by the cell modifier from an AbstractTableRendering. |
| * Implementor will convert the string value to an array of bytes. The bytes will |
| * be passed to the debug adapter for memory block modification. |
| * Return null if the byte cannot be formatted properly. |
| * @param dataType - type of data the string represents |
| * @param address - address where the bytes belong to |
| * @param currentValues - current values of the data in bytes format |
| * @param data - the string to be converted to bytes |
| * @return the bytes to be passed to debug adapter for modification. |
| */ |
| abstract public byte[] getBytes(String dataType, BigInteger address, MemoryByte[] currentValues, String data); |
| |
| } |
| |
