org.eclipse.debug.ui/ui/org/eclipse/debug/internal/ui/views/memory/renderings/FormatTableRenderingDialog.java - gerrit/platform/eclipse.platform.debug - Git at Google

 /*******************************************************************************
  * Copyright (c) 2005, 2006 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.debug.internal.ui.views.memory.renderings;

 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.debug.internal.ui.DebugUIMessages;
 import org.eclipse.debug.internal.ui.DebugUIPlugin;
 import org.eclipse.debug.internal.ui.memory.IPersistableDebugElement;
 import org.eclipse.debug.internal.ui.preferences.IDebugPreferenceConstants;
 import org.eclipse.debug.ui.DebugUITools;
 import org.eclipse.debug.ui.IDebugUIConstants;
 import org.eclipse.jface.dialogs.IDialogConstants;
 import org.eclipse.jface.dialogs.TrayDialog;
 import org.eclipse.jface.preference.IPreferenceStore;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.events.SelectionListener;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Combo;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Group;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Shell;
 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.PlatformUI;
 import org.eclipse.ui.part.PageBook;

 public class FormatTableRenderingDialog extends TrayDialog
 	{

 		private int[] fColumnSizes = new int[] {1, 2, 4, 8, 16};
 		private int[] fRowSizes = new int[] {1, 2, 4, 8, 16};
 		private Combo fColumnControl;
 		private Combo fRowControl;

 		private int fCurrentColIdx = -1;
 		private int fCurrentRowIdx = -1;
 		private Control fPreivewPage;
 		private PageBook fPreviewPageBook;
 		private Button fDefaultButton;
 		private Text fDefaultColValue;
 		private Text fDefaultRowValue;
 		private AbstractBaseTableRendering fRendering;
 		private int fColumnSize;
 		private int fRowSize;
 		private Label fMsgLabel;
 		private boolean fDisableCancel = false;
 		private String fMsg;


 		public FormatTableRenderingDialog(AbstractBaseTableRendering rendering, Shell parentShell) {
 			super(parentShell);
 			setShellStyle(getShellStyle() | SWT.RESIZE);
 			fRendering = rendering;
 			fMsg = DebugUIMessages.FormatTableRenderingAction_1;
 		}

 		protected Control createDialogArea(Composite parent) {
 			getShell().setText(DebugUIMessages.FormatTableRenderingAction_0);
 			PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, IDebugUIConstants.PLUGIN_ID + ".FormatTableRenderingDialog_context"); //$NON-NLS-1$

 			Composite composite = new Composite(parent, SWT.NONE);
 			GridLayout layout = new GridLayout();
 			layout.numColumns = 3;
 			layout.makeColumnsEqualWidth = false;
 			composite.setLayout(layout);
 			GridData data = new GridData();
 			data.grabExcessHorizontalSpace = true;
 			data.grabExcessVerticalSpace = true;
 			data.horizontalAlignment = SWT.FILL;
 			data.verticalAlignment = SWT.FILL;
 			composite.setLayoutData(data);

 			fMsgLabel = new Label(composite, SWT.NONE);
 			fMsgLabel.setText(fMsg);

 			data = new GridData();
 			data.grabExcessHorizontalSpace = true;
 			data.horizontalAlignment = SWT.BEGINNING;
 			data.horizontalSpan = 3;
 			fMsgLabel.setLayoutData(data);

 			Label rowLabel = new Label(composite, SWT.NONE);
 			rowLabel.setText(DebugUIMessages.FormatTableRenderingAction_2);
 			fRowControl = new Combo(composite, SWT.READ_ONLY);
 			for (int i=0; i<fRowSizes.length; i++)
 			{
 				fRowControl.add(String.valueOf(fRowSizes[i]));
 			}

 			fRowControl.addSelectionListener(new SelectionListener() {

 				public void widgetSelected(SelectionEvent e) {
 					if (fCurrentRowIdx != fRowControl.getSelectionIndex())
 					{
 						fCurrentRowIdx = fRowControl.getSelectionIndex();
 						refreshPreviewPage();
 						updateButtons();
 					}
 				}

 				public void widgetDefaultSelected(SelectionEvent e) {
 				}});

 			data = new GridData();
 			data.grabExcessHorizontalSpace = false;
 			data.horizontalAlignment = SWT.BEGINNING;
 			fRowControl.setLayoutData(data);

 			Label unit = new Label(composite, SWT.NONE);
 			unit.setText(DebugUIMessages.FormatTableRenderingAction_3);

 			Label columnLabel = new Label(composite, SWT.NONE);
 			columnLabel.setText(DebugUIMessages.FormatTableRenderingAction_4);
 			fColumnControl = new Combo(composite, SWT.READ_ONLY);
 			for (int i=0; i<fColumnSizes.length; i++)
 			{
 				fColumnControl.add(String.valueOf(fColumnSizes[i]));
 			}

 			fColumnControl.addSelectionListener(new SelectionListener() {

 				public void widgetSelected(SelectionEvent e) {
 					if (fCurrentColIdx != fColumnControl.getSelectionIndex())
 					{
 						fCurrentColIdx = fColumnControl.getSelectionIndex();
 						refreshPreviewPage();
 						updateButtons();
 					}
 				}

 				public void widgetDefaultSelected(SelectionEvent e) {
 				}});

 			data = new GridData();
 			data.grabExcessHorizontalSpace = false;
 			data.horizontalAlignment = SWT.BEGINNING;
 			fColumnControl.setLayoutData(data);

 			unit = new Label(composite, SWT.NONE);
 			unit.setText(DebugUIMessages.FormatTableRenderingAction_5);

 			populateDialog();

 			fDefaultButton = new Button(composite, SWT.NONE);
 			fDefaultButton.setText(DebugUIMessages.FormatTableRenderingAction_8);
 			data = new GridData();
 			data.grabExcessHorizontalSpace = true;
 			data.grabExcessVerticalSpace = true;
 			data.horizontalAlignment = SWT.END;
 			data.horizontalSpan = 3;
 			fDefaultButton.setLayoutData(data);

 			fDefaultButton.addSelectionListener(new SelectionListener() {

 				public void widgetSelected(SelectionEvent e) {
 					saveDefaults();
 				}

 				public void widgetDefaultSelected(SelectionEvent e) {

 				}});

 			Group group = new Group(composite, SWT.NONE);
 			group.setText(DebugUIMessages.FormatTableRenderingAction_7);
 			group.setLayout(new GridLayout());
 			data = new GridData();
 			data.grabExcessHorizontalSpace = true;
 			data.grabExcessVerticalSpace = true;
 			data.horizontalAlignment = SWT.FILL;
 			data.verticalAlignment = SWT.FILL;
 			data.horizontalSpan = 3;
 			group.setLayoutData(data);

 			fPreviewPageBook = new PageBook(group, SWT.NONE);
 			data = new GridData();
 			data.grabExcessHorizontalSpace = true;
 			data.grabExcessVerticalSpace = true;
 			data.horizontalAlignment = SWT.FILL;
 			data.verticalAlignment = SWT.FILL;
 			fPreviewPageBook.setLayoutData(data);

 			int rowSize = fRowSizes[fRowControl.getSelectionIndex()];
 			int colSize = fColumnSizes[fColumnControl.getSelectionIndex()];

 			fPreivewPage = createPreviewPage(fPreviewPageBook, rowSize, colSize);
 			fPreviewPageBook.showPage(fPreivewPage);

 			Label defaultRow = new Label(composite, SWT.NONE);
 			defaultRow.setText(DebugUIMessages.FormatTableRenderingDialog_0);
 			fDefaultRowValue = new Text(composite, SWT.READ_ONLY);

 			int defRow = getDefaultRowSize();

 			fDefaultRowValue.setText(String.valueOf(defRow));
 			Label def = new Label(composite, SWT.NONE);
 			def.setText(DebugUIMessages.FormatTableRenderingDialog_1);

 			data = new GridData();
 			data.grabExcessHorizontalSpace = true;
 			data.grabExcessVerticalSpace = true;
 			data.horizontalAlignment = SWT.BEGINNING;
 			def.setLayoutData(data);


 			Label defaultCol = new Label(composite, SWT.NONE);
 			defaultCol.setText(DebugUIMessages.FormatTableRenderingDialog_2);
 			fDefaultColValue = new Text(composite, SWT.READ_ONLY);

 			int defCol = getDefaultColumnSize();

 			fDefaultColValue.setText(String.valueOf(defCol));
 			def = new Label(composite, SWT.NONE);
 			def.setText(DebugUIMessages.FormatTableRenderingDialog_3);

 			data = new GridData();
 			data.grabExcessHorizontalSpace = true;
 			data.grabExcessVerticalSpace = true;
 			data.horizontalAlignment = SWT.BEGINNING;
 			def.setLayoutData(data);

 			Button restoreButton = new Button(composite, SWT.NONE);
 			restoreButton.setText(DebugUIMessages.FormatTableRenderingAction_6);
 			restoreButton.addSelectionListener(new SelectionListener() {
 				public void widgetSelected(SelectionEvent e) {
 					restoreDefaults();
 				}
 				public void widgetDefaultSelected(SelectionEvent e) {
 				}});
 			data = new GridData();
 			data.grabExcessHorizontalSpace = true;
 			data.horizontalAlignment = SWT.END;
 			data.horizontalSpan = 3;
 			data.verticalAlignment = SWT.CENTER;
 			restoreButton.setLayoutData(data);

 			return composite;
 		}

 		protected void okPressed() {
 			int idx = fColumnControl.getSelectionIndex();
 			fColumnSize = fColumnSizes[idx];
 			fRowSize = fRowSizes[fRowControl.getSelectionIndex()];
 			super.okPressed();
 		}

 		private void populateDialog()
 		{
 			int currentColSize = fRendering.getAddressableUnitPerColumn();
 			int currentRowSize = fRendering.getAddressableUnitPerLine();
 			setCurrentRowColSizes(currentRowSize, currentColSize);
 		}

 		private int populateControl(int currentSize, int[] searchArray, Combo control) {
 			int idx = 0;
 			for (int i=0 ;i<searchArray.length; i++)
 			{
 				if (searchArray[i] == currentSize)
 				{
 					idx = i;
 					break;
 				}
 			}
 			control.select(idx);
 			return idx;
 		}

 		private Control createPreviewPage(Composite parent, int rowSize, int colSize)
 		{
 			if (!isValid(rowSize, colSize))
 			{
 				Label label = new Label(parent, SWT.NONE);
 				StringBuffer errorMsg = new StringBuffer();
 				errorMsg.append(DebugUIMessages.FormatTableRenderingAction_9);
 				errorMsg.append("\n"); //$NON-NLS-1$
 				errorMsg.append(DebugUIMessages.FormatTableRenderingAction_11);

 				if (colSize > rowSize)
 				{
 					errorMsg.append("\n"); //$NON-NLS-1$
 					errorMsg.append(DebugUIMessages.FormatTableRenderingAction_13);
 				}

 				label.setText(errorMsg.toString());

 				return label;
 			}

 			Table table = new Table(parent, SWT.BORDER);
 			table.setHeaderVisible(true);

 			int numCol = rowSize/colSize;

 			TableColumn addressCol = new TableColumn(table, SWT.NONE);

 			TableColumn[] columns = new TableColumn[numCol];
 			for (int i=0; i<columns.length; i++)
 			{
 				columns[i] = new TableColumn(table, SWT.NONE);
 			}

 			StringBuffer buf = new StringBuffer();
 			for (int j=0; j<colSize; j++)
 			{
 				buf.append("X"); //$NON-NLS-1$
 			}

 			for (int i = 0; i < 4; i++) {
 				TableItem tableItem = new TableItem(table, SWT.NONE);

 				String[] text = new String[numCol + 1];
 				text[0] = DebugUIMessages.FormatTableRenderingAction_15;
 				for (int j=1; j<text.length; j++)
 				{
 					text[j] = buf.toString();
 				}

 				tableItem.setText(text);
 			}

 			addressCol.pack();
 			for (int i=0; i<columns.length; i++)
 			{
 				columns[i].pack();
 			}


 			return table;
 		}

 		private boolean isValid(int rowSize, int colSize)
 		{
 			if (rowSize % colSize != 0)
 				return false;

 			if (colSize > rowSize)
 				return false;

 			return true;
 		}

 		private void refreshPreviewPage() {
 			fPreivewPage.dispose();

 			int rowSize = fRowSizes[fRowControl.getSelectionIndex()];
 			int colSize = fColumnSizes[fColumnControl.getSelectionIndex()];
 			fPreivewPage = createPreviewPage(fPreviewPageBook, rowSize, colSize);
 			fPreviewPageBook.showPage(fPreivewPage);
 		}

 		private void updateButtons() {
 			int rowSize = fRowSizes[fRowControl.getSelectionIndex()];
 			int colSize = fColumnSizes[fColumnControl.getSelectionIndex()];
 			Button button = getButton(IDialogConstants.OK_ID);
 			if (!isValid(rowSize, colSize))
 			{
 				button.setEnabled(false);
 				fDefaultButton.setEnabled(false);


 			}
 			else
 			{
 				button.setEnabled(true);
 				fDefaultButton.setEnabled(true);
 			}
 		}

 		private String getRowPrefId(String modelId) {
 			String rowPrefId = IDebugPreferenceConstants.PREF_ROW_SIZE + ":" + modelId; //$NON-NLS-1$
 			return rowPrefId;
 		}

 		private String getColumnPrefId(String modelId) {
 			String colPrefId = IDebugPreferenceConstants.PREF_COLUMN_SIZE + ":" + modelId; //$NON-NLS-1$
 			return colPrefId;
 		}

 		private int getDefaultRowSize()
 		{
 			int size = -1;
 			IPersistableDebugElement elmt = (IPersistableDebugElement)fRendering.getMemoryBlock().getAdapter(IPersistableDebugElement.class);
 			if (elmt != null)
 			{
 				if (elmt.supportsProperty(fRendering, IDebugPreferenceConstants.PREF_ROW_SIZE_BY_MODEL))
 					return getDefaultFromPersistableElement(IDebugPreferenceConstants.PREF_ROW_SIZE_BY_MODEL);
 			}

 			size = getDefaultRowSize(fRendering.getMemoryBlock().getModelIdentifier());

 			return size;
 		}

 		private int getDefaultColumnSize()
 		{
 			int size = -1;
 			IPersistableDebugElement elmt = (IPersistableDebugElement)fRendering.getMemoryBlock().getAdapter(IPersistableDebugElement.class);
 			if (elmt != null)
 			{
 				if (elmt.supportsProperty(fRendering, IDebugPreferenceConstants.PREF_COL_SIZE_BY_MODEL))
 					return getDefaultFromPersistableElement(IDebugPreferenceConstants.PREF_COL_SIZE_BY_MODEL);
 			}

 			size = getDefaultColumnSize(fRendering.getMemoryBlock().getModelIdentifier());
 			return size;
 		}

 		private int getDefaultRowSize(String modelId)
 		{
 			int row = DebugUITools.getPreferenceStore().getInt(getRowPrefId(modelId));
 			if (row == 0)
 			{
 				DebugUITools.getPreferenceStore().setValue(getRowPrefId(modelId), IDebugPreferenceConstants.PREF_ROW_SIZE_DEFAULT);
 				row = DebugUITools.getPreferenceStore().getInt(getRowPrefId(modelId));
 			}

 			return row;

 		}

 		private int getDefaultColumnSize(String modelId)
 		{
 			int col = DebugUITools.getPreferenceStore().getInt(getColumnPrefId(modelId));
 			if (col == 0)
 			{
 				// if not yet defined, initialize with default
 				DebugUITools.getPreferenceStore().setValue(getColumnPrefId(modelId), IDebugPreferenceConstants.PREF_COLUMN_SIZE_DEFAULT);
 				col = DebugUITools.getPreferenceStore().getInt(getColumnPrefId(modelId));
 			}
 			return col;
 		}

 		private void saveDefaults() {
 			int columnSize = fColumnSizes[fColumnControl.getSelectionIndex()];
 			int rowSize = fRowSizes[fRowControl.getSelectionIndex()];

 			IPersistableDebugElement elmt = (IPersistableDebugElement)fRendering.getMemoryBlock().getAdapter(IPersistableDebugElement.class);

 			if (elmt != null && elmt.supportsProperty(fRendering, IDebugPreferenceConstants.PREF_ROW_SIZE_BY_MODEL)
 				&& elmt.supportsProperty(fRendering, IDebugPreferenceConstants.PREF_COL_SIZE_BY_MODEL))
 			{
 				try {
 					elmt.setProperty(fRendering, IDebugPreferenceConstants.PREF_ROW_SIZE_BY_MODEL, new Integer(rowSize));
 					elmt.setProperty(fRendering, IDebugPreferenceConstants.PREF_COL_SIZE_BY_MODEL, new Integer(columnSize));
 				} catch (CoreException e) {
 					DebugUIPlugin.errorDialog(DebugUIPlugin.getShell(), DebugUIMessages.FormatTableRenderingDialog_4, DebugUIMessages.FormatTableRenderingDialog_5, e);
 				}
 			}
 			else
 			{
 				// save preference
 				// find model id
 				String modelId = fRendering.getMemoryBlock().getModelIdentifier();

 				// constrcut preference id
 				String rowPrefId = getRowPrefId(modelId);
 				String colPrefId = getColumnPrefId(modelId);

 				// save setting
 				IPreferenceStore prefStore = DebugUITools.getPreferenceStore();
 				prefStore.setValue(rowPrefId, rowSize);
 				prefStore.setValue(colPrefId, columnSize);
 			}

 			fDefaultColValue.setText(String.valueOf(getDefaultColumnSize()));
 			fDefaultRowValue.setText(String.valueOf(getDefaultRowSize()));

 			fDefaultRowValue.getParent().layout();
 		}

 		private void restoreDefaults() {
 			String modelId = fRendering.getMemoryBlock().getModelIdentifier();
 			int defaultRowSize = DebugUITools.getPreferenceStore().getInt(getRowPrefId(modelId));
 			int defaultColSize = DebugUITools.getPreferenceStore().getInt(getColumnPrefId(modelId));

 			if (defaultRowSize == 0 || defaultColSize == 0)
 			{
 				defaultRowSize = DebugUITools.getPreferenceStore().getInt(IDebugPreferenceConstants.PREF_ROW_SIZE);
 				defaultColSize = DebugUITools.getPreferenceStore().getInt(IDebugPreferenceConstants.PREF_COLUMN_SIZE);

 				DebugUITools.getPreferenceStore().setValue(getRowPrefId(modelId), defaultRowSize);
 				DebugUITools.getPreferenceStore().setValue(getColumnPrefId(modelId), defaultColSize);
 			}

 			populateControl(defaultRowSize, fRowSizes, fRowControl);
 			populateControl(defaultColSize, fColumnSizes, fColumnControl);

 			fCurrentRowIdx = fRowControl.getSelectionIndex();
 			fCurrentColIdx = fColumnControl.getSelectionIndex();

 			refreshPreviewPage();
 			updateButtons();
 		}

 		public int getColumnSize() {
 			return fColumnSize;
 		}

 		public int getRowSize() {
 			return fRowSize;
 		}

 		public void setCurrentRowColSizes(int row, int col)
 		{
 			fCurrentColIdx = populateControl(col, fColumnSizes, fColumnControl);
 			fCurrentRowIdx = populateControl(row, fRowSizes, fRowControl);
 		}

 		protected Control createButtonBar(Composite parent) {
 			Control ret =  super.createButtonBar(parent);
 			if (fDisableCancel)
 				getButton(IDialogConstants.CANCEL_ID).setEnabled(false);
 			updateButtons();
 			return ret;
 		}

 		public void openError(String msg)
 		{
 			fDisableCancel = true;
 			fMsg = msg;
 			open();
 		}

 		private int getDefaultFromPersistableElement(String propertyId) {
 			int defaultValue = -1;
 			IPersistableDebugElement elmt = (IPersistableDebugElement)fRendering.getMemoryBlock().getAdapter(IPersistableDebugElement.class);
 			if (elmt != null)
 			{
 				try {
 					Object valueMB = elmt.getProperty(this, propertyId);
 					if (valueMB != null && !(valueMB instanceof Integer))
 					{
 						IStatus status = DebugUIPlugin.newErrorStatus("Model returned invalid type on " + propertyId, null); //$NON-NLS-1$
 						DebugUIPlugin.log(status);
 					}

 					if (valueMB != null)
 					{
 						Integer value = (Integer)valueMB;
 						defaultValue = value.intValue();
 					}
 				} catch (CoreException e) {
 					DebugUIPlugin.log(e);
 				}
 			}
 			return defaultValue;
 		}
 	}
	/*******************************************************************************
	* Copyright (c) 2005, 2006 IBM Corporation and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.debug.internal.ui.views.memory.renderings;

	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.debug.internal.ui.DebugUIMessages;
	import org.eclipse.debug.internal.ui.DebugUIPlugin;
	import org.eclipse.debug.internal.ui.memory.IPersistableDebugElement;
	import org.eclipse.debug.internal.ui.preferences.IDebugPreferenceConstants;
	import org.eclipse.debug.ui.DebugUITools;
	import org.eclipse.debug.ui.IDebugUIConstants;
	import org.eclipse.jface.dialogs.IDialogConstants;
	import org.eclipse.jface.dialogs.TrayDialog;
	import org.eclipse.jface.preference.IPreferenceStore;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.events.SelectionListener;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Combo;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Control;
	import org.eclipse.swt.widgets.Group;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Shell;
	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.PlatformUI;
	import org.eclipse.ui.part.PageBook;

	public class FormatTableRenderingDialog extends TrayDialog
	{

	private int[] fColumnSizes = new int[] {1, 2, 4, 8, 16};
	private int[] fRowSizes = new int[] {1, 2, 4, 8, 16};
	private Combo fColumnControl;
	private Combo fRowControl;

	private int fCurrentColIdx = -1;
	private int fCurrentRowIdx = -1;
	private Control fPreivewPage;
	private PageBook fPreviewPageBook;
	private Button fDefaultButton;
	private Text fDefaultColValue;
	private Text fDefaultRowValue;
	private AbstractBaseTableRendering fRendering;
	private int fColumnSize;
	private int fRowSize;
	private Label fMsgLabel;
	private boolean fDisableCancel = false;
	private String fMsg;


	public FormatTableRenderingDialog(AbstractBaseTableRendering rendering, Shell parentShell) {
	super(parentShell);
	setShellStyle(getShellStyle() \| SWT.RESIZE);
	fRendering = rendering;
	fMsg = DebugUIMessages.FormatTableRenderingAction_1;
	}

	protected Control createDialogArea(Composite parent) {
	getShell().setText(DebugUIMessages.FormatTableRenderingAction_0);
	PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, IDebugUIConstants.PLUGIN_ID + ".FormatTableRenderingDialog_context"); //$NON-NLS-1$

	Composite composite = new Composite(parent, SWT.NONE);
	GridLayout layout = new GridLayout();
	layout.numColumns = 3;
	layout.makeColumnsEqualWidth = false;
	composite.setLayout(layout);
	GridData data = new GridData();
	data.grabExcessHorizontalSpace = true;
	data.grabExcessVerticalSpace = true;
	data.horizontalAlignment = SWT.FILL;
	data.verticalAlignment = SWT.FILL;
	composite.setLayoutData(data);

	fMsgLabel = new Label(composite, SWT.NONE);
	fMsgLabel.setText(fMsg);

	data = new GridData();
	data.grabExcessHorizontalSpace = true;
	data.horizontalAlignment = SWT.BEGINNING;
	data.horizontalSpan = 3;
	fMsgLabel.setLayoutData(data);

	Label rowLabel = new Label(composite, SWT.NONE);
	rowLabel.setText(DebugUIMessages.FormatTableRenderingAction_2);
	fRowControl = new Combo(composite, SWT.READ_ONLY);
	for (int i=0; i<fRowSizes.length; i++)
	{
	fRowControl.add(String.valueOf(fRowSizes[i]));
	}

	fRowControl.addSelectionListener(new SelectionListener() {

	public void widgetSelected(SelectionEvent e) {
	if (fCurrentRowIdx != fRowControl.getSelectionIndex())
	{
	fCurrentRowIdx = fRowControl.getSelectionIndex();
	refreshPreviewPage();
	updateButtons();
	}
	}

	public void widgetDefaultSelected(SelectionEvent e) {
	}});

	data = new GridData();
	data.grabExcessHorizontalSpace = false;
	data.horizontalAlignment = SWT.BEGINNING;
	fRowControl.setLayoutData(data);

	Label unit = new Label(composite, SWT.NONE);
	unit.setText(DebugUIMessages.FormatTableRenderingAction_3);

	Label columnLabel = new Label(composite, SWT.NONE);
	columnLabel.setText(DebugUIMessages.FormatTableRenderingAction_4);
	fColumnControl = new Combo(composite, SWT.READ_ONLY);
	for (int i=0; i<fColumnSizes.length; i++)
	{
	fColumnControl.add(String.valueOf(fColumnSizes[i]));
	}

	fColumnControl.addSelectionListener(new SelectionListener() {

	public void widgetSelected(SelectionEvent e) {
	if (fCurrentColIdx != fColumnControl.getSelectionIndex())
	{
	fCurrentColIdx = fColumnControl.getSelectionIndex();
	refreshPreviewPage();
	updateButtons();
	}
	}

	public void widgetDefaultSelected(SelectionEvent e) {
	}});

	data = new GridData();
	data.grabExcessHorizontalSpace = false;
	data.horizontalAlignment = SWT.BEGINNING;
	fColumnControl.setLayoutData(data);

	unit = new Label(composite, SWT.NONE);
	unit.setText(DebugUIMessages.FormatTableRenderingAction_5);

	populateDialog();

	fDefaultButton = new Button(composite, SWT.NONE);
	fDefaultButton.setText(DebugUIMessages.FormatTableRenderingAction_8);
	data = new GridData();
	data.grabExcessHorizontalSpace = true;
	data.grabExcessVerticalSpace = true;
	data.horizontalAlignment = SWT.END;
	data.horizontalSpan = 3;
	fDefaultButton.setLayoutData(data);

	fDefaultButton.addSelectionListener(new SelectionListener() {

	public void widgetSelected(SelectionEvent e) {
	saveDefaults();
	}

	public void widgetDefaultSelected(SelectionEvent e) {

	}});

	Group group = new Group(composite, SWT.NONE);
	group.setText(DebugUIMessages.FormatTableRenderingAction_7);
	group.setLayout(new GridLayout());
	data = new GridData();
	data.grabExcessHorizontalSpace = true;
	data.grabExcessVerticalSpace = true;
	data.horizontalAlignment = SWT.FILL;
	data.verticalAlignment = SWT.FILL;
	data.horizontalSpan = 3;
	group.setLayoutData(data);

	fPreviewPageBook = new PageBook(group, SWT.NONE);
	data = new GridData();
	data.grabExcessHorizontalSpace = true;
	data.grabExcessVerticalSpace = true;
	data.horizontalAlignment = SWT.FILL;
	data.verticalAlignment = SWT.FILL;
	fPreviewPageBook.setLayoutData(data);

	int rowSize = fRowSizes[fRowControl.getSelectionIndex()];
	int colSize = fColumnSizes[fColumnControl.getSelectionIndex()];

	fPreivewPage = createPreviewPage(fPreviewPageBook, rowSize, colSize);
	fPreviewPageBook.showPage(fPreivewPage);

	Label defaultRow = new Label(composite, SWT.NONE);
	defaultRow.setText(DebugUIMessages.FormatTableRenderingDialog_0);
	fDefaultRowValue = new Text(composite, SWT.READ_ONLY);

	int defRow = getDefaultRowSize();

	fDefaultRowValue.setText(String.valueOf(defRow));
	Label def = new Label(composite, SWT.NONE);
	def.setText(DebugUIMessages.FormatTableRenderingDialog_1);

	data = new GridData();
	data.grabExcessHorizontalSpace = true;
	data.grabExcessVerticalSpace = true;
	data.horizontalAlignment = SWT.BEGINNING;
	def.setLayoutData(data);


	Label defaultCol = new Label(composite, SWT.NONE);
	defaultCol.setText(DebugUIMessages.FormatTableRenderingDialog_2);
	fDefaultColValue = new Text(composite, SWT.READ_ONLY);

	int defCol = getDefaultColumnSize();

	fDefaultColValue.setText(String.valueOf(defCol));
	def = new Label(composite, SWT.NONE);
	def.setText(DebugUIMessages.FormatTableRenderingDialog_3);

	data = new GridData();
	data.grabExcessHorizontalSpace = true;
	data.grabExcessVerticalSpace = true;
	data.horizontalAlignment = SWT.BEGINNING;
	def.setLayoutData(data);

	Button restoreButton = new Button(composite, SWT.NONE);
	restoreButton.setText(DebugUIMessages.FormatTableRenderingAction_6);
	restoreButton.addSelectionListener(new SelectionListener() {
	public void widgetSelected(SelectionEvent e) {
	restoreDefaults();
	}
	public void widgetDefaultSelected(SelectionEvent e) {
	}});
	data = new GridData();
	data.grabExcessHorizontalSpace = true;
	data.horizontalAlignment = SWT.END;
	data.horizontalSpan = 3;
	data.verticalAlignment = SWT.CENTER;
	restoreButton.setLayoutData(data);

	return composite;
	}

	protected void okPressed() {
	int idx = fColumnControl.getSelectionIndex();
	fColumnSize = fColumnSizes[idx];
	fRowSize = fRowSizes[fRowControl.getSelectionIndex()];
	super.okPressed();
	}

	private void populateDialog()
	{
	int currentColSize = fRendering.getAddressableUnitPerColumn();
	int currentRowSize = fRendering.getAddressableUnitPerLine();
	setCurrentRowColSizes(currentRowSize, currentColSize);
	}

	private int populateControl(int currentSize, int[] searchArray, Combo control) {
	int idx = 0;
	for (int i=0 ;i<searchArray.length; i++)
	{
	if (searchArray[i] == currentSize)
	{
	idx = i;
	break;
	}
	}
	control.select(idx);
	return idx;
	}

	private Control createPreviewPage(Composite parent, int rowSize, int colSize)
	{
	if (!isValid(rowSize, colSize))
	{
	Label label = new Label(parent, SWT.NONE);
	StringBuffer errorMsg = new StringBuffer();
	errorMsg.append(DebugUIMessages.FormatTableRenderingAction_9);
	errorMsg.append("\n"); //$NON-NLS-1$
	errorMsg.append(DebugUIMessages.FormatTableRenderingAction_11);

	if (colSize > rowSize)
	{
	errorMsg.append("\n"); //$NON-NLS-1$
	errorMsg.append(DebugUIMessages.FormatTableRenderingAction_13);
	}

	label.setText(errorMsg.toString());

	return label;
	}

	Table table = new Table(parent, SWT.BORDER);
	table.setHeaderVisible(true);

	int numCol = rowSize/colSize;

	TableColumn addressCol = new TableColumn(table, SWT.NONE);

	TableColumn[] columns = new TableColumn[numCol];
	for (int i=0; i<columns.length; i++)
	{
	columns[i] = new TableColumn(table, SWT.NONE);
	}

	StringBuffer buf = new StringBuffer();
	for (int j=0; j<colSize; j++)
	{
	buf.append("X"); //$NON-NLS-1$
	}

	for (int i = 0; i < 4; i++) {
	TableItem tableItem = new TableItem(table, SWT.NONE);

	String[] text = new String[numCol + 1];
	text[0] = DebugUIMessages.FormatTableRenderingAction_15;
	for (int j=1; j<text.length; j++)
	{
	text[j] = buf.toString();
	}

	tableItem.setText(text);
	}

	addressCol.pack();
	for (int i=0; i<columns.length; i++)
	{
	columns[i].pack();
	}


	return table;
	}

	private boolean isValid(int rowSize, int colSize)
	{
	if (rowSize % colSize != 0)
	return false;

	if (colSize > rowSize)
	return false;

	return true;
	}

	private void refreshPreviewPage() {
	fPreivewPage.dispose();

	int rowSize = fRowSizes[fRowControl.getSelectionIndex()];
	int colSize = fColumnSizes[fColumnControl.getSelectionIndex()];
	fPreivewPage = createPreviewPage(fPreviewPageBook, rowSize, colSize);
	fPreviewPageBook.showPage(fPreivewPage);
	}

	private void updateButtons() {
	int rowSize = fRowSizes[fRowControl.getSelectionIndex()];
	int colSize = fColumnSizes[fColumnControl.getSelectionIndex()];
	Button button = getButton(IDialogConstants.OK_ID);
	if (!isValid(rowSize, colSize))
	{
	button.setEnabled(false);
	fDefaultButton.setEnabled(false);


	}
	else
	{
	button.setEnabled(true);
	fDefaultButton.setEnabled(true);
	}
	}

	private String getRowPrefId(String modelId) {
	String rowPrefId = IDebugPreferenceConstants.PREF_ROW_SIZE + ":" + modelId; //$NON-NLS-1$
	return rowPrefId;
	}

	private String getColumnPrefId(String modelId) {
	String colPrefId = IDebugPreferenceConstants.PREF_COLUMN_SIZE + ":" + modelId; //$NON-NLS-1$
	return colPrefId;
	}

	private int getDefaultRowSize()
	{
	int size = -1;
	IPersistableDebugElement elmt = (IPersistableDebugElement)fRendering.getMemoryBlock().getAdapter(IPersistableDebugElement.class);
	if (elmt != null)
	{
	if (elmt.supportsProperty(fRendering, IDebugPreferenceConstants.PREF_ROW_SIZE_BY_MODEL))
	return getDefaultFromPersistableElement(IDebugPreferenceConstants.PREF_ROW_SIZE_BY_MODEL);
	}

	size = getDefaultRowSize(fRendering.getMemoryBlock().getModelIdentifier());

	return size;
	}

	private int getDefaultColumnSize()
	{
	int size = -1;
	IPersistableDebugElement elmt = (IPersistableDebugElement)fRendering.getMemoryBlock().getAdapter(IPersistableDebugElement.class);
	if (elmt != null)
	{
	if (elmt.supportsProperty(fRendering, IDebugPreferenceConstants.PREF_COL_SIZE_BY_MODEL))
	return getDefaultFromPersistableElement(IDebugPreferenceConstants.PREF_COL_SIZE_BY_MODEL);
	}

	size = getDefaultColumnSize(fRendering.getMemoryBlock().getModelIdentifier());
	return size;
	}

	private int getDefaultRowSize(String modelId)
	{
	int row = DebugUITools.getPreferenceStore().getInt(getRowPrefId(modelId));
	if (row == 0)
	{
	DebugUITools.getPreferenceStore().setValue(getRowPrefId(modelId), IDebugPreferenceConstants.PREF_ROW_SIZE_DEFAULT);
	row = DebugUITools.getPreferenceStore().getInt(getRowPrefId(modelId));
	}

	return row;

	}

	private int getDefaultColumnSize(String modelId)
	{
	int col = DebugUITools.getPreferenceStore().getInt(getColumnPrefId(modelId));
	if (col == 0)
	{
	// if not yet defined, initialize with default
	DebugUITools.getPreferenceStore().setValue(getColumnPrefId(modelId), IDebugPreferenceConstants.PREF_COLUMN_SIZE_DEFAULT);
	col = DebugUITools.getPreferenceStore().getInt(getColumnPrefId(modelId));
	}
	return col;
	}

	private void saveDefaults() {
	int columnSize = fColumnSizes[fColumnControl.getSelectionIndex()];
	int rowSize = fRowSizes[fRowControl.getSelectionIndex()];

	IPersistableDebugElement elmt = (IPersistableDebugElement)fRendering.getMemoryBlock().getAdapter(IPersistableDebugElement.class);

	if (elmt != null && elmt.supportsProperty(fRendering, IDebugPreferenceConstants.PREF_ROW_SIZE_BY_MODEL)
	&& elmt.supportsProperty(fRendering, IDebugPreferenceConstants.PREF_COL_SIZE_BY_MODEL))
	{
	try {
	elmt.setProperty(fRendering, IDebugPreferenceConstants.PREF_ROW_SIZE_BY_MODEL, new Integer(rowSize));
	elmt.setProperty(fRendering, IDebugPreferenceConstants.PREF_COL_SIZE_BY_MODEL, new Integer(columnSize));
	} catch (CoreException e) {
	DebugUIPlugin.errorDialog(DebugUIPlugin.getShell(), DebugUIMessages.FormatTableRenderingDialog_4, DebugUIMessages.FormatTableRenderingDialog_5, e);
	}
	}
	else
	{
	// save preference
	// find model id
	String modelId = fRendering.getMemoryBlock().getModelIdentifier();

	// constrcut preference id
	String rowPrefId = getRowPrefId(modelId);
	String colPrefId = getColumnPrefId(modelId);

	// save setting
	IPreferenceStore prefStore = DebugUITools.getPreferenceStore();
	prefStore.setValue(rowPrefId, rowSize);
	prefStore.setValue(colPrefId, columnSize);
	}

	fDefaultColValue.setText(String.valueOf(getDefaultColumnSize()));
	fDefaultRowValue.setText(String.valueOf(getDefaultRowSize()));

	fDefaultRowValue.getParent().layout();
	}

	private void restoreDefaults() {
	String modelId = fRendering.getMemoryBlock().getModelIdentifier();
	int defaultRowSize = DebugUITools.getPreferenceStore().getInt(getRowPrefId(modelId));
	int defaultColSize = DebugUITools.getPreferenceStore().getInt(getColumnPrefId(modelId));

	if (defaultRowSize == 0 \|\| defaultColSize == 0)
	{
	defaultRowSize = DebugUITools.getPreferenceStore().getInt(IDebugPreferenceConstants.PREF_ROW_SIZE);
	defaultColSize = DebugUITools.getPreferenceStore().getInt(IDebugPreferenceConstants.PREF_COLUMN_SIZE);

	DebugUITools.getPreferenceStore().setValue(getRowPrefId(modelId), defaultRowSize);
	DebugUITools.getPreferenceStore().setValue(getColumnPrefId(modelId), defaultColSize);
	}

	populateControl(defaultRowSize, fRowSizes, fRowControl);
	populateControl(defaultColSize, fColumnSizes, fColumnControl);

	fCurrentRowIdx = fRowControl.getSelectionIndex();
	fCurrentColIdx = fColumnControl.getSelectionIndex();

	refreshPreviewPage();
	updateButtons();
	}

	public int getColumnSize() {
	return fColumnSize;
	}

	public int getRowSize() {
	return fRowSize;
	}

	public void setCurrentRowColSizes(int row, int col)
	{
	fCurrentColIdx = populateControl(col, fColumnSizes, fColumnControl);
	fCurrentRowIdx = populateControl(row, fRowSizes, fRowControl);
	}

	protected Control createButtonBar(Composite parent) {
	Control ret = super.createButtonBar(parent);
	if (fDisableCancel)
	getButton(IDialogConstants.CANCEL_ID).setEnabled(false);
	updateButtons();
	return ret;
	}

	public void openError(String msg)
	{
	fDisableCancel = true;
	fMsg = msg;
	open();
	}

	private int getDefaultFromPersistableElement(String propertyId) {
	int defaultValue = -1;
	IPersistableDebugElement elmt = (IPersistableDebugElement)fRendering.getMemoryBlock().getAdapter(IPersistableDebugElement.class);
	if (elmt != null)
	{
	try {
	Object valueMB = elmt.getProperty(this, propertyId);
	if (valueMB != null && !(valueMB instanceof Integer))
	{
	IStatus status = DebugUIPlugin.newErrorStatus("Model returned invalid type on " + propertyId, null); //$NON-NLS-1$
	DebugUIPlugin.log(status);
	}

	if (valueMB != null)
	{
	Integer value = (Integer)valueMB;
	defaultValue = value.intValue();
	}
	} catch (CoreException e) {
	DebugUIPlugin.log(e);
	}
	}
	return defaultValue;
	}
	}