org.eclipse.xwt.tools.ui.designer/src/org/eclipse/xwt/tools/ui/designer/wizards/pages/ExternalizeStringsWizardPage.java - xwt/org.eclipse.xwt - Git at Google

 /*******************************************************************************
  * Copyright (c) 2006, 2010 Soyatec (http://www.soyatec.com) 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:
  *     Soyatec - initial API and implementation
  *******************************************************************************/
 package org.eclipse.xwt.tools.ui.designer.wizards.pages;

 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;

 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.draw2d.ColorConstants;
 import org.eclipse.jdt.core.IPackageFragmentRoot;
 import org.eclipse.jface.dialogs.IDialogPage;
 import org.eclipse.jface.viewers.CellEditor;
 import org.eclipse.jface.viewers.ISelection;
 import org.eclipse.jface.viewers.ISelectionChangedListener;
 import org.eclipse.jface.viewers.SelectionChangedEvent;
 import org.eclipse.jface.viewers.TableViewer;
 import org.eclipse.jface.viewers.TextCellEditor;
 import org.eclipse.jface.window.Window;
 import org.eclipse.jface.wizard.WizardPage;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.ModifyEvent;
 import org.eclipse.swt.events.ModifyListener;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.events.SelectionListener;
 import org.eclipse.swt.graphics.Color;
 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.Display;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Table;
 import org.eclipse.swt.widgets.TableColumn;
 import org.eclipse.swt.widgets.Text;
 import org.eclipse.xwt.tools.ui.designer.dialogs.AccessorConfigurationDialog;
 import org.eclipse.xwt.tools.ui.designer.providers.ExternalizeStringContentProvider;
 import org.eclipse.xwt.tools.ui.designer.providers.ExternalizeStringLabelProvider;
 import org.eclipse.xwt.tools.ui.designer.wizards.AccessorConfigureInfo;
 import org.eclipse.xwt.tools.ui.designer.wizards.ExternalizeStringsCommon;
 import org.eclipse.xwt.tools.ui.designer.wizards.TableCellModifier;
 import org.eclipse.xwt.tools.ui.designer.wizards.TableViewerListener;
 import org.eclipse.xwt.tools.ui.designer.wizards.models.TextValueEntry;
 import org.eclipse.xwt.tools.ui.designer.wizards.models.TextValueModel;

 /**
  * @author xrchen (xiaoru.chen@soyatec.com)
  */
 public class ExternalizeStringsWizardPage extends WizardPage {

 	private TextValueModel checkedItems;

 	private TextValueModel textValueEntrys;

 	private TableViewer tableViewer;

 	private Text commonPrefixText;

 	private boolean isChecked = false;

 	private int checkCount = 0;

 	public static final String CHECK_COLUMN_ID = "";

 	public static final String VALUE_COLUMN_ID = "Value";

 	public static final String KEY_COLUMN_ID = "Key";

 	private String defaultFolder;

 	private String defaultPackage;

 	private IPackageFragmentRoot defaultRoot;

 	private AccessorConfigureInfo info = new AccessorConfigureInfo();

 	private Combo combo;

 	private ArrayList<String> duplicateKeys;

 	// create a PropertyFileListener instance.
 	private final TableViewerListener tableViewerListener = new TableViewerListener() {

 		public void valueChanged(TextValueEntry textValueEntry) {
 			tableViewer.refresh(textValueEntry, true);
 			changeContents();
 		}

 	};

 	/**
 	 * Constructor for ExternalizeStringsWizardPage.
 	 *
 	 * @param selection
 	 * @param textValueEntrys
 	 */
 	public ExternalizeStringsWizardPage(ISelection selection, TextValueModel textValueEntrys) {
 		super("wizardPage");
 		setTitle("Externalize Strings");
 		setDescription("Externalizes strings from code into a properties file. The auto-generated keys should be adjusted.");
 		this.textValueEntrys = textValueEntrys;
 	}

 	/**
 	 * @see IDialogPage#createControl(Composite)
 	 */
 	public void createControl(Composite parent) {
 		Composite container = new Composite(parent, SWT.NONE);
 		GridLayout layout = new GridLayout();
 		layout.numColumns = 2;
 		container.setLayout(layout);

 		// Create filed for user to change the prefix of the key
 		Composite childcontainer = new Composite(container, SWT.NONE);
 		layout = new GridLayout();
 		layout.numColumns = 2;
 		childcontainer.setLayout(layout);
 		GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
 		gridData.horizontalSpan = 2;
 		childcontainer.setLayoutData(gridData);

 		Label commonPrefixLabel = new Label(childcontainer, SWT.NONE);
 		commonPrefixLabel.setText("Enter common prefix for generated keys(optional):");

 		commonPrefixText = new Text(childcontainer, SWT.BORDER);
 		gridData = new GridData(GridData.FILL_HORIZONTAL);
 		commonPrefixText.setText("Text_");
 		commonPrefixText.setLayoutData(gridData);
 		commonPrefixText.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent e) {
 				tableViewer.setLabelProvider(new ExternalizeStringLabelProvider(commonPrefixText.getText()));
 				if (checkCount > 0) {
 					checkPrefix();
 				}
 				changeContents();
 			}
 		});
 		setPageComplete(false);

 		// Create the tableViewer of the text value which have not been externalized or been binded.
 		createWidgetObserve(container);

 		// Create select all button.
 		createSelectAllButton(container);

 		// Create the the configure field.
 		createAccessorConfigure(container);

 		setControl(container);

 		// Initial the configure files information.
 		String defaultFilePath = "/" + defaultFolder + "/" + defaultPackage.replace(".", "/");

 		info.setClassFilePath(defaultFilePath);
 		info.setClassRoot(defaultRoot);
 		info.setSourceFolder(defaultFolder);
 		info.setSourcePackage(defaultPackage);
 		info.setClassName("Messages");

 		info.setPropertyFilePath(defaultFilePath);
 		info.setPropertyRoot(defaultRoot);
 		info.setPropertyFolder(defaultFolder);
 		info.setPropertyPackage(defaultPackage);
 		info.setPropertyName("messages");
 	}

 	/**
 	 * Create select all button
 	 */
 	private void createSelectAllButton(Composite container) {
 		Button button = new Button(container, SWT.PUSH);
 		button.setText("Select All");
 		GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
 		button.setLayoutData(gridData);
 		gridData = new GridData(GridData.FILL_HORIZONTAL);
 		gridData.horizontalSpan = 2;
 		button.setLayoutData(gridData);
 		button.addSelectionListener(new SelectionListener() {

 			public void widgetSelected(SelectionEvent e) {
 				int length = tableViewer.getTable().getItems().length;
 				if (checkCount < length) {
 					for (int i = 0; i < length; i++) {
 						tableViewer.getTable().getItem(i).setChecked(true);
 						tableViewer.getTable().getItem(i).setBackground(new Color(Display.getDefault(), 226, 226, 226));
 					}
 					checkCount = length;
 				} else {
 					for (int i = 0; i < length; i++) {
 						tableViewer.getTable().getItem(i).setChecked(false);
 						tableViewer.getTable().getItem(i).setBackground(ColorConstants.listBackground);
 					}
 					checkCount = 0;
 				}
 				changeContents();
 				updatePageComplete(checkCount);
 			}

 			public void widgetDefaultSelected(SelectionEvent e) {

 			}
 		});
 	}

 	private void createAccessorConfigure(Composite container) {
 		combo = new Combo(container, SWT.READ_ONLY);
 		GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
 		gridData.widthHint = convertWidthInCharsToPixels(30);
 		combo.setLayoutData(gridData);
 		combo.setItems(new String[] { defaultPackage + ".Messages.java - " + defaultPackage + ".messages.properties" });
 		combo.select(0);

 		Button configureButton = new Button(container, SWT.PUSH);
 		configureButton.setText("Configure...");
 		gridData = new GridData();
 		configureButton.setLayoutData(gridData);
 		configureButton.addSelectionListener(new SelectionListener() {

 			public void widgetSelected(SelectionEvent e) {
 				AccessorConfigurationDialog dialog = new AccessorConfigurationDialog(getShell(), info);
 				dialog.setTitle("Configure Accessor Class");

 				if (dialog.open() == Window.OK) {
 					// Get the information of configure files.
 					info.setClassFilePath(dialog.getClassFilePath());
 					info.setClassRoot(dialog.getclassRoot());
 					info.setSourceFolder(dialog.getSourceFolder());
 					info.setSourcePackage(dialog.getSourcePackage());
 					info.setClassName(dialog.getClassName());

 					info.setPropertyFilePath(dialog.getPropertyFilePath());
 					info.setPropertyRoot(dialog.getPropertyRoot());
 					info.setPropertyFolder(dialog.getPropertyFolder());
 					info.setPropertyPackage(dialog.getPropertyPackage());
 					info.setPropertyName(dialog.getPropertyName());
 					combo.setItems(new String[] { dialog.getSourcePackage() + ((dialog.getSourcePackage() == null || "".equals(dialog.getSourcePackage())) ? "" : ".") + dialog.getClassName() + ".java - " + dialog.getPropertyPackage() + "." + dialog.getPropertyName() + ".properties" });
 					combo.select(0);
 					changeContents();
 				}
 			}

 			public void widgetDefaultSelected(SelectionEvent e) {

 			}
 		});
 	}

 	/**
 	 * Create the widget's text values observe container
 	 *
 	 * @param container
 	 */
 	private void createWidgetObserve(Composite container) {
 		Composite viewContainer = new Composite(container, SWT.BORDER);
 		GridLayout layout = new GridLayout();
 		viewContainer.setLayout(layout);
 		GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
 		gridData.horizontalSpan = 2;

 		viewContainer.setLayoutData(gridData);

 		tableViewer = new TableViewer(viewContainer, SWT.CHECK | SWT.FULL_SELECTION | SWT.V_SCROLL | SWT.H_SCROLL);
 		Table table = tableViewer.getTable();
 		table.setHeaderVisible(true);
 		table.setLinesVisible(true);
 		gridData.heightHint = table.getItemHeight() * 11;
 		table.setLayoutData(gridData);
 		// Create the header of the table
 		String[] colNames = { "", "Value", "Key" };
 		int[] colWidths = { 50, 300, 300 };
 		for (int i = 0; i < colNames.length; i++) {
 			TableColumn tableColumn = new TableColumn(table, SWT.NONE);
 			tableColumn.setText(colNames[i]);
 			tableColumn.setWidth(colWidths[i]);
 		}
 		tableViewer.setLabelProvider(new ExternalizeStringLabelProvider(commonPrefixText.getText()));
 		tableViewer.setContentProvider(new ExternalizeStringContentProvider());
 		tableViewer.setInput(textValueEntrys);
 		tableViewer.getTable().getDisplay().asyncExec(new Runnable() {
 			public void run() {
 				TextValueModel textValueModel = (TextValueModel) tableViewer.getInput();
 				textValueModel.addPropertyChangeListener(tableViewerListener);
 			}
 		});
 		initTableEditor();
 		tableViewer.addSelectionChangedListener(new ISelectionChangedListener() {

 			public void selectionChanged(SelectionChangedEvent event) {
 				changeContents();
 				updatePageComplete(checkCount);
 			}
 		});
 	}

 	/**
 	 * make cell of the tableViewer editable.
 	 */
 	private void initTableEditor() {
 		tableViewer.setColumnProperties(new String[] { CHECK_COLUMN_ID, VALUE_COLUMN_ID, KEY_COLUMN_ID });
 		final TextCellEditor valueEditor = new TextCellEditor(tableViewer.getTable());
 		final TextCellEditor keyEditor = new TextCellEditor(tableViewer.getTable());
 		tableViewer.setCellEditors(new CellEditor[] { null, valueEditor, keyEditor });
 		tableViewer.setCellModifier(new TableCellModifier());
 	}

 	public TextValueModel getCheckedItems() {
 		return checkedItems;
 	}

 	private void updatePageComplete(int checkNum) {
 		isChecked = false;
 		if (checkNum > 0) {
 			isChecked = true;
 			if (getErrorMessage() != null) {
 				setPageComplete(false);
 			} else {
 				setPageComplete(true);
 			}
 		} else {
 			updateStatus(null);
 		}

 	}

 	/**
 	 * check the prefix string format.
 	 */
 	private void checkPrefix() {
 		String checkValue = commonPrefixText.getText();
 		if (!"".equals(checkValue)) {
 			String regex = "^([_|a-zA-Z])[_\\w]*$";
 			checkFormat(checkValue, regex);
 		}
 	}

 	/**
 	 * check the prefix string format.
 	 */
 	private boolean checkKeyValue(String keyValue) {
 		String regex = "^([_|a-zA-Z])[_\\w]*$";
 		return checkFormat(keyValue, regex);
 	}

 	/**
 	 * check string format
 	 *
 	 * @param value
 	 */
 	private boolean checkFormat(String value, String regex) {
 		Matcher matcher = Pattern.compile(regex).matcher(value);
 		if (!(matcher.find())) {
 			updateStatus("Some selected keys are not valid Java identifiers.");
 			return false;
 		} else {
 			updateStatus(null);
 			return true;
 		}
 	}

 	/**
 	 * Update the page's status.
 	 *
 	 * @param message
 	 */
 	private void updateStatus(String message) {
 		setErrorMessage(message);
 		setPageComplete((message == null) && isChecked);
 	}

 	/**
 	 * Check the change nameMap and get the selected values.
 	 */
 	private void changeContents() {
 		int count = tableViewer.getTable().getItemCount();
 		String checkValue = "";
 		checkedItems = new TextValueModel();
 		for (int i = 0; i < count; i++) {
 			if (tableViewer.getTable().getItem(i).getChecked()) {
 				tableViewer.getTable().getItem(i).setBackground(new Color(Display.getDefault(), 226, 226, 226));
 				if (tableViewer.getElementAt(i) instanceof TextValueEntry) {
 					String value = ((TextValueEntry) (tableViewer.getElementAt(i))).getValue();
 					String key = commonPrefixText.getText() + ((TextValueEntry) (tableViewer.getElementAt(i))).getKey();
 					checkedItems.add(new TextValueEntry(value, key));
 				}
 				checkValue = commonPrefixText.getText() + ((TextValueEntry) (tableViewer.getElementAt(i))).getKey();
 				if (!checkKeyValue(checkValue)) {
 					break;
 				}
 			} else {
 				tableViewer.getTable().getItem(i).setBackground(ColorConstants.listBackground);
 			}
 		}
 		checkSameValue();
 		checkDuplicate(info.getClassFilePath(), info.getClassName() + ".java", info.getPropertyFilePath(), info.getPropertyName() + ".properties");
 		checkCount = getCheckNum();
 	}

 	/**
 	 * Get the checked number of tableViewer's items.
 	 *
 	 * @return checkNum
 	 */
 	private int getCheckNum() {
 		int checkNum = 0;
 		for (int i = 0; i < tableViewer.getTable().getItems().length; i++) {
 			if (tableViewer.getTable().getItem(i).getChecked()) {
 				checkNum++;
 			}
 		}
 		return checkNum;
 	}

 	/**
 	 * check the selected keys whether have a same key.
 	 */
 	private void checkSameValue() {
 		Object selectedKeys[] = checkedItems.elements();
 		String key;
 		String value;
 		String compareKey;
 		String comparevalue;
 		String errorMsg = "Conflicting entries: Same key but different values";
 		for (int i = 0; i < selectedKeys.length; i++) {
 			if (selectedKeys[i] instanceof TextValueEntry) {
 				key = ((TextValueEntry) selectedKeys[i]).getKey();
 				value = ((TextValueEntry) selectedKeys[i]).getValue();
 				for (int j = i + 1; j < selectedKeys.length; j++) {
 					compareKey = ((TextValueEntry) selectedKeys[j]).getKey();
 					comparevalue = ((TextValueEntry) selectedKeys[j]).getValue();
 					if (compareKey.equals(key) && !comparevalue.equals(value)) {
 						updateStatus(errorMsg);
 						break;
 					}
 				}
 			}
 		}
 	}

 	/**
 	 * Check whether have the same key values in the File.
 	 *
 	 * @param sourceFolderName
 	 * @param className
 	 * @param propertyFolderName
 	 * @param propertyName
 	 * @throws CoreException
 	 * @throws IOException
 	 * @throws returnWizardPage
 	 */
 	private void checkDuplicate(String sourceFolderName, String className, String propertyFolderName, String propertyName) {
 		try {
 			duplicateKeys = new ArrayList<String>();
 			if (ExternalizeStringsCommon.getIFile(sourceFolderName, className).exists()) {
 				StringBuffer classHistoryContents = ExternalizeStringsCommon.getHistoryContents((ExternalizeStringsCommon.getIFile(sourceFolderName, className)));
 				checkDuplicateKey(checkedItems, classHistoryContents, true);
 			}
 			if (ExternalizeStringsCommon.getIFile(propertyFolderName, propertyName).exists()) {
 				StringBuffer PropertyHistoryContents = ExternalizeStringsCommon.getHistoryContents(ExternalizeStringsCommon.getIFile(propertyFolderName, propertyName));
 				checkDuplicateKey(checkedItems, PropertyHistoryContents, false);
 			}

 			if (duplicateKeys.size() > 0) {
 				StringBuffer dialogMessage = new StringBuffer("Key: ");
 				ArrayList<String> keys = new ArrayList<String>();
 				for (int i = 0; i < duplicateKeys.size(); i++) {
 					if (keys.indexOf(duplicateKeys.get(i)) == -1) {
 						keys.add(duplicateKeys.get(i));
 						dialogMessage.append("\"" + duplicateKeys.get(i)
 								+ "\" ");
 					}
 				}
 				dialogMessage.append("already exist in files. Please rename.");
 				updateStatus(dialogMessage.toString());
 			}
 		} catch (CoreException e1) {
 			e1.printStackTrace();
 		} catch (IOException e1) {
 			e1.printStackTrace();
 		}

 	}

 	/**
 	 * To match the duplicate key values in the File.
 	 *
 	 * @param checkedItems
 	 * @param historyContent
 	 */
 	private void checkDuplicateKey(TextValueModel checkedItems, StringBuffer historyContent, boolean isClassFile) {
 		String regexSuffix;
 		String regexPrefix;
 		if (isClassFile) {
 			regexPrefix = "[\t ]+";
 			regexSuffix = "([\t ]*[\r ]*[\t ]*)*[;]";
 		} else {
 			regexPrefix = "[\t ]*";
 			regexSuffix = "[\t ]*[=]";
 		}
 		for (int i = 0; i < checkedItems.elements().length; i++) {
 			String key = ((TextValueEntry) checkedItems.elements()[i]).getKey();
 			if (!checkKeyValue(key))
 				return;
 			String regex = regexPrefix + key + regexSuffix;

 			Matcher matcher = Pattern.compile(regex).matcher(historyContent.toString());
 			if (matcher.find()) {
 				duplicateKeys.add(key);
 			}
 		}
 	}

 	public void setDefaultFolder(String defaultFolder) {
 		this.defaultFolder = defaultFolder;
 	}

 	public void setDefaultRoot(IPackageFragmentRoot defaultRoot) {
 		this.defaultRoot = defaultRoot;
 	}

 	public void setDefaultPackage(String defaultPackage) {
 		this.defaultPackage = defaultPackage;
 	}

 	public AccessorConfigureInfo getInfo() {
 		return info;
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2006, 2010 Soyatec (http://www.soyatec.com) 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:
	* Soyatec - initial API and implementation
	*******************************************************************************/
	package org.eclipse.xwt.tools.ui.designer.wizards.pages;

	import java.io.IOException;
	import java.util.ArrayList;
	import java.util.regex.Matcher;
	import java.util.regex.Pattern;

	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.draw2d.ColorConstants;
	import org.eclipse.jdt.core.IPackageFragmentRoot;
	import org.eclipse.jface.dialogs.IDialogPage;
	import org.eclipse.jface.viewers.CellEditor;
	import org.eclipse.jface.viewers.ISelection;
	import org.eclipse.jface.viewers.ISelectionChangedListener;
	import org.eclipse.jface.viewers.SelectionChangedEvent;
	import org.eclipse.jface.viewers.TableViewer;
	import org.eclipse.jface.viewers.TextCellEditor;
	import org.eclipse.jface.window.Window;
	import org.eclipse.jface.wizard.WizardPage;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.ModifyEvent;
	import org.eclipse.swt.events.ModifyListener;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.events.SelectionListener;
	import org.eclipse.swt.graphics.Color;
	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.Display;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Table;
	import org.eclipse.swt.widgets.TableColumn;
	import org.eclipse.swt.widgets.Text;
	import org.eclipse.xwt.tools.ui.designer.dialogs.AccessorConfigurationDialog;
	import org.eclipse.xwt.tools.ui.designer.providers.ExternalizeStringContentProvider;
	import org.eclipse.xwt.tools.ui.designer.providers.ExternalizeStringLabelProvider;
	import org.eclipse.xwt.tools.ui.designer.wizards.AccessorConfigureInfo;
	import org.eclipse.xwt.tools.ui.designer.wizards.ExternalizeStringsCommon;
	import org.eclipse.xwt.tools.ui.designer.wizards.TableCellModifier;
	import org.eclipse.xwt.tools.ui.designer.wizards.TableViewerListener;
	import org.eclipse.xwt.tools.ui.designer.wizards.models.TextValueEntry;
	import org.eclipse.xwt.tools.ui.designer.wizards.models.TextValueModel;

	/**
	* @author xrchen (xiaoru.chen@soyatec.com)
	*/
	public class ExternalizeStringsWizardPage extends WizardPage {

	private TextValueModel checkedItems;

	private TextValueModel textValueEntrys;

	private TableViewer tableViewer;

	private Text commonPrefixText;

	private boolean isChecked = false;

	private int checkCount = 0;

	public static final String CHECK_COLUMN_ID = "";

	public static final String VALUE_COLUMN_ID = "Value";

	public static final String KEY_COLUMN_ID = "Key";

	private String defaultFolder;

	private String defaultPackage;

	private IPackageFragmentRoot defaultRoot;

	private AccessorConfigureInfo info = new AccessorConfigureInfo();

	private Combo combo;

	private ArrayList<String> duplicateKeys;

	// create a PropertyFileListener instance.
	private final TableViewerListener tableViewerListener = new TableViewerListener() {

	public void valueChanged(TextValueEntry textValueEntry) {
	tableViewer.refresh(textValueEntry, true);
	changeContents();
	}

	};

	/**
	* Constructor for ExternalizeStringsWizardPage.
	*
	* @param selection
	* @param textValueEntrys
	*/
	public ExternalizeStringsWizardPage(ISelection selection, TextValueModel textValueEntrys) {
	super("wizardPage");
	setTitle("Externalize Strings");
	setDescription("Externalizes strings from code into a properties file. The auto-generated keys should be adjusted.");
	this.textValueEntrys = textValueEntrys;
	}

	/**
	* @see IDialogPage#createControl(Composite)
	*/
	public void createControl(Composite parent) {
	Composite container = new Composite(parent, SWT.NONE);
	GridLayout layout = new GridLayout();
	layout.numColumns = 2;
	container.setLayout(layout);

	// Create filed for user to change the prefix of the key
	Composite childcontainer = new Composite(container, SWT.NONE);
	layout = new GridLayout();
	layout.numColumns = 2;
	childcontainer.setLayout(layout);
	GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
	gridData.horizontalSpan = 2;
	childcontainer.setLayoutData(gridData);

	Label commonPrefixLabel = new Label(childcontainer, SWT.NONE);
	commonPrefixLabel.setText("Enter common prefix for generated keys(optional):");

	commonPrefixText = new Text(childcontainer, SWT.BORDER);
	gridData = new GridData(GridData.FILL_HORIZONTAL);
	commonPrefixText.setText("Text_");
	commonPrefixText.setLayoutData(gridData);
	commonPrefixText.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent e) {
	tableViewer.setLabelProvider(new ExternalizeStringLabelProvider(commonPrefixText.getText()));
	if (checkCount > 0) {
	checkPrefix();
	}
	changeContents();
	}
	});
	setPageComplete(false);

	// Create the tableViewer of the text value which have not been externalized or been binded.
	createWidgetObserve(container);

	// Create select all button.
	createSelectAllButton(container);

	// Create the the configure field.
	createAccessorConfigure(container);

	setControl(container);

	// Initial the configure files information.
	String defaultFilePath = "/" + defaultFolder + "/" + defaultPackage.replace(".", "/");

	info.setClassFilePath(defaultFilePath);
	info.setClassRoot(defaultRoot);
	info.setSourceFolder(defaultFolder);
	info.setSourcePackage(defaultPackage);
	info.setClassName("Messages");

	info.setPropertyFilePath(defaultFilePath);
	info.setPropertyRoot(defaultRoot);
	info.setPropertyFolder(defaultFolder);
	info.setPropertyPackage(defaultPackage);
	info.setPropertyName("messages");
	}

	/**
	* Create select all button
	*/
	private void createSelectAllButton(Composite container) {
	Button button = new Button(container, SWT.PUSH);
	button.setText("Select All");
	GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
	button.setLayoutData(gridData);
	gridData = new GridData(GridData.FILL_HORIZONTAL);
	gridData.horizontalSpan = 2;
	button.setLayoutData(gridData);
	button.addSelectionListener(new SelectionListener() {

	public void widgetSelected(SelectionEvent e) {
	int length = tableViewer.getTable().getItems().length;
	if (checkCount < length) {
	for (int i = 0; i < length; i++) {
	tableViewer.getTable().getItem(i).setChecked(true);
	tableViewer.getTable().getItem(i).setBackground(new Color(Display.getDefault(), 226, 226, 226));
	}
	checkCount = length;
	} else {
	for (int i = 0; i < length; i++) {
	tableViewer.getTable().getItem(i).setChecked(false);
	tableViewer.getTable().getItem(i).setBackground(ColorConstants.listBackground);
	}
	checkCount = 0;
	}
	changeContents();
	updatePageComplete(checkCount);
	}

	public void widgetDefaultSelected(SelectionEvent e) {

	}
	});
	}

	private void createAccessorConfigure(Composite container) {
	combo = new Combo(container, SWT.READ_ONLY);
	GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
	gridData.widthHint = convertWidthInCharsToPixels(30);
	combo.setLayoutData(gridData);
	combo.setItems(new String[] { defaultPackage + ".Messages.java - " + defaultPackage + ".messages.properties" });
	combo.select(0);

	Button configureButton = new Button(container, SWT.PUSH);
	configureButton.setText("Configure...");
	gridData = new GridData();
	configureButton.setLayoutData(gridData);
	configureButton.addSelectionListener(new SelectionListener() {

	public void widgetSelected(SelectionEvent e) {
	AccessorConfigurationDialog dialog = new AccessorConfigurationDialog(getShell(), info);
	dialog.setTitle("Configure Accessor Class");

	if (dialog.open() == Window.OK) {
	// Get the information of configure files.
	info.setClassFilePath(dialog.getClassFilePath());
	info.setClassRoot(dialog.getclassRoot());
	info.setSourceFolder(dialog.getSourceFolder());
	info.setSourcePackage(dialog.getSourcePackage());
	info.setClassName(dialog.getClassName());

	info.setPropertyFilePath(dialog.getPropertyFilePath());
	info.setPropertyRoot(dialog.getPropertyRoot());
	info.setPropertyFolder(dialog.getPropertyFolder());
	info.setPropertyPackage(dialog.getPropertyPackage());
	info.setPropertyName(dialog.getPropertyName());
	combo.setItems(new String[] { dialog.getSourcePackage() + ((dialog.getSourcePackage() == null \|\| "".equals(dialog.getSourcePackage())) ? "" : ".") + dialog.getClassName() + ".java - " + dialog.getPropertyPackage() + "." + dialog.getPropertyName() + ".properties" });
	combo.select(0);
	changeContents();
	}
	}

	public void widgetDefaultSelected(SelectionEvent e) {

	}
	});
	}

	/**
	* Create the widget's text values observe container
	*
	* @param container
	*/
	private void createWidgetObserve(Composite container) {
	Composite viewContainer = new Composite(container, SWT.BORDER);
	GridLayout layout = new GridLayout();
	viewContainer.setLayout(layout);
	GridData gridData = new GridData(GridData.FILL_HORIZONTAL);
	gridData.horizontalSpan = 2;

	viewContainer.setLayoutData(gridData);

	tableViewer = new TableViewer(viewContainer, SWT.CHECK \| SWT.FULL_SELECTION \| SWT.V_SCROLL \| SWT.H_SCROLL);
	Table table = tableViewer.getTable();
	table.setHeaderVisible(true);
	table.setLinesVisible(true);
	gridData.heightHint = table.getItemHeight() * 11;
	table.setLayoutData(gridData);
	// Create the header of the table
	String[] colNames = { "", "Value", "Key" };
	int[] colWidths = { 50, 300, 300 };
	for (int i = 0; i < colNames.length; i++) {
	TableColumn tableColumn = new TableColumn(table, SWT.NONE);
	tableColumn.setText(colNames[i]);
	tableColumn.setWidth(colWidths[i]);
	}
	tableViewer.setLabelProvider(new ExternalizeStringLabelProvider(commonPrefixText.getText()));
	tableViewer.setContentProvider(new ExternalizeStringContentProvider());
	tableViewer.setInput(textValueEntrys);
	tableViewer.getTable().getDisplay().asyncExec(new Runnable() {
	public void run() {
	TextValueModel textValueModel = (TextValueModel) tableViewer.getInput();
	textValueModel.addPropertyChangeListener(tableViewerListener);
	}
	});
	initTableEditor();
	tableViewer.addSelectionChangedListener(new ISelectionChangedListener() {

	public void selectionChanged(SelectionChangedEvent event) {
	changeContents();
	updatePageComplete(checkCount);
	}
	});
	}

	/**
	* make cell of the tableViewer editable.
	*/
	private void initTableEditor() {
	tableViewer.setColumnProperties(new String[] { CHECK_COLUMN_ID, VALUE_COLUMN_ID, KEY_COLUMN_ID });
	final TextCellEditor valueEditor = new TextCellEditor(tableViewer.getTable());
	final TextCellEditor keyEditor = new TextCellEditor(tableViewer.getTable());
	tableViewer.setCellEditors(new CellEditor[] { null, valueEditor, keyEditor });
	tableViewer.setCellModifier(new TableCellModifier());
	}

	public TextValueModel getCheckedItems() {
	return checkedItems;
	}

	private void updatePageComplete(int checkNum) {
	isChecked = false;
	if (checkNum > 0) {
	isChecked = true;
	if (getErrorMessage() != null) {
	setPageComplete(false);
	} else {
	setPageComplete(true);
	}
	} else {
	updateStatus(null);
	}

	}

	/**
	* check the prefix string format.
	*/
	private void checkPrefix() {
	String checkValue = commonPrefixText.getText();
	if (!"".equals(checkValue)) {
	String regex = "^([_\|a-zA-Z])[_\\w]*$";
	checkFormat(checkValue, regex);
	}
	}

	/**
	* check the prefix string format.
	*/
	private boolean checkKeyValue(String keyValue) {
	String regex = "^([_\|a-zA-Z])[_\\w]*$";
	return checkFormat(keyValue, regex);
	}

	/**
	* check string format
	*
	* @param value
	*/
	private boolean checkFormat(String value, String regex) {
	Matcher matcher = Pattern.compile(regex).matcher(value);
	if (!(matcher.find())) {
	updateStatus("Some selected keys are not valid Java identifiers.");
	return false;
	} else {
	updateStatus(null);
	return true;
	}
	}

	/**
	* Update the page's status.
	*
	* @param message
	*/
	private void updateStatus(String message) {
	setErrorMessage(message);
	setPageComplete((message == null) && isChecked);
	}

	/**
	* Check the change nameMap and get the selected values.
	*/
	private void changeContents() {
	int count = tableViewer.getTable().getItemCount();
	String checkValue = "";
	checkedItems = new TextValueModel();
	for (int i = 0; i < count; i++) {
	if (tableViewer.getTable().getItem(i).getChecked()) {
	tableViewer.getTable().getItem(i).setBackground(new Color(Display.getDefault(), 226, 226, 226));
	if (tableViewer.getElementAt(i) instanceof TextValueEntry) {
	String value = ((TextValueEntry) (tableViewer.getElementAt(i))).getValue();
	String key = commonPrefixText.getText() + ((TextValueEntry) (tableViewer.getElementAt(i))).getKey();
	checkedItems.add(new TextValueEntry(value, key));
	}
	checkValue = commonPrefixText.getText() + ((TextValueEntry) (tableViewer.getElementAt(i))).getKey();
	if (!checkKeyValue(checkValue)) {
	break;
	}
	} else {
	tableViewer.getTable().getItem(i).setBackground(ColorConstants.listBackground);
	}
	}
	checkSameValue();
	checkDuplicate(info.getClassFilePath(), info.getClassName() + ".java", info.getPropertyFilePath(), info.getPropertyName() + ".properties");
	checkCount = getCheckNum();
	}

	/**
	* Get the checked number of tableViewer's items.
	*
	* @return checkNum
	*/
	private int getCheckNum() {
	int checkNum = 0;
	for (int i = 0; i < tableViewer.getTable().getItems().length; i++) {
	if (tableViewer.getTable().getItem(i).getChecked()) {
	checkNum++;
	}
	}
	return checkNum;
	}

	/**
	* check the selected keys whether have a same key.
	*/
	private void checkSameValue() {
	Object selectedKeys[] = checkedItems.elements();
	String key;
	String value;
	String compareKey;
	String comparevalue;
	String errorMsg = "Conflicting entries: Same key but different values";
	for (int i = 0; i < selectedKeys.length; i++) {
	if (selectedKeys[i] instanceof TextValueEntry) {
	key = ((TextValueEntry) selectedKeys[i]).getKey();
	value = ((TextValueEntry) selectedKeys[i]).getValue();
	for (int j = i + 1; j < selectedKeys.length; j++) {
	compareKey = ((TextValueEntry) selectedKeys[j]).getKey();
	comparevalue = ((TextValueEntry) selectedKeys[j]).getValue();
	if (compareKey.equals(key) && !comparevalue.equals(value)) {
	updateStatus(errorMsg);
	break;
	}
	}
	}
	}
	}

	/**
	* Check whether have the same key values in the File.
	*
	* @param sourceFolderName
	* @param className
	* @param propertyFolderName
	* @param propertyName
	* @throws CoreException
	* @throws IOException
	* @throws returnWizardPage
	*/
	private void checkDuplicate(String sourceFolderName, String className, String propertyFolderName, String propertyName) {
	try {
	duplicateKeys = new ArrayList<String>();
	if (ExternalizeStringsCommon.getIFile(sourceFolderName, className).exists()) {
	StringBuffer classHistoryContents = ExternalizeStringsCommon.getHistoryContents((ExternalizeStringsCommon.getIFile(sourceFolderName, className)));
	checkDuplicateKey(checkedItems, classHistoryContents, true);
	}
	if (ExternalizeStringsCommon.getIFile(propertyFolderName, propertyName).exists()) {
	StringBuffer PropertyHistoryContents = ExternalizeStringsCommon.getHistoryContents(ExternalizeStringsCommon.getIFile(propertyFolderName, propertyName));
	checkDuplicateKey(checkedItems, PropertyHistoryContents, false);
	}

	if (duplicateKeys.size() > 0) {
	StringBuffer dialogMessage = new StringBuffer("Key: ");
	ArrayList<String> keys = new ArrayList<String>();
	for (int i = 0; i < duplicateKeys.size(); i++) {
	if (keys.indexOf(duplicateKeys.get(i)) == -1) {
	keys.add(duplicateKeys.get(i));
	dialogMessage.append("\"" + duplicateKeys.get(i)
	+ "\" ");
	}
	}
	dialogMessage.append("already exist in files. Please rename.");
	updateStatus(dialogMessage.toString());
	}
	} catch (CoreException e1) {
	e1.printStackTrace();
	} catch (IOException e1) {
	e1.printStackTrace();
	}

	}

	/**
	* To match the duplicate key values in the File.
	*
	* @param checkedItems
	* @param historyContent
	*/
	private void checkDuplicateKey(TextValueModel checkedItems, StringBuffer historyContent, boolean isClassFile) {
	String regexSuffix;
	String regexPrefix;
	if (isClassFile) {
	regexPrefix = "[\t ]+";
	regexSuffix = "([\t ][\r ][\t ])[;]";
	} else {
	regexPrefix = "[\t ]*";
	regexSuffix = "[\t ]*[=]";
	}
	for (int i = 0; i < checkedItems.elements().length; i++) {
	String key = ((TextValueEntry) checkedItems.elements()[i]).getKey();
	if (!checkKeyValue(key))
	return;
	String regex = regexPrefix + key + regexSuffix;

	Matcher matcher = Pattern.compile(regex).matcher(historyContent.toString());
	if (matcher.find()) {
	duplicateKeys.add(key);
	}
	}
	}

	public void setDefaultFolder(String defaultFolder) {
	this.defaultFolder = defaultFolder;
	}

	public void setDefaultRoot(IPackageFragmentRoot defaultRoot) {
	this.defaultRoot = defaultRoot;
	}

	public void setDefaultPackage(String defaultPackage) {
	this.defaultPackage = defaultPackage;
	}

	public AccessorConfigureInfo getInfo() {
	return info;
	}
	}