1.5/plugins/org.eclipse.epf.library.ui/src/org/eclipse/epf/library/ui/dialogs/UserInputsDialog.java - epf/org.eclipse.epf.composer - Git at Google

 //------------------------------------------------------------------------------
 // Copyright (c) 2005, 2007 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 implementation
 //------------------------------------------------------------------------------
 package org.eclipse.epf.library.ui.dialogs;

 import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;

 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.epf.library.edit.command.UserInput;
 import org.eclipse.epf.library.edit.validation.IValidator;
 import org.eclipse.epf.library.ui.providers.DelegateLabelProvider;
 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.viewers.ArrayContentProvider;
 import org.eclipse.jface.viewers.ComboViewer;
 import org.eclipse.jface.viewers.ILabelProvider;
 import org.eclipse.jface.viewers.ISelectionChangedListener;
 import org.eclipse.jface.viewers.IStructuredContentProvider;
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.jface.viewers.SelectionChangedEvent;
 import org.eclipse.jface.viewers.StructuredSelection;
 import org.eclipse.jface.viewers.TableViewer;
 import org.eclipse.jface.viewers.TreeViewer;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.FocusAdapter;
 import org.eclipse.swt.events.FocusEvent;
 import org.eclipse.swt.events.ModifyEvent;
 import org.eclipse.swt.events.ModifyListener;
 import org.eclipse.swt.graphics.Color;
 import org.eclipse.swt.graphics.RGB;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.swt.widgets.Text;

 /**
  * This dialog acts as a input dialog during command execution based on user
  * input and inputType dialog behaviour changes.
  *
  * @author Shashidhar Kannoori
  * @author Shilpa Toraskar
  * @since 1.2
  *
  */
 public class UserInputsDialog extends Dialog {

 	IStructuredContentProvider contentProvider;

 	ILabelProvider labelProvider;

 	private String title;

 	private String globalErrorTxt = ""; //$NON-NLS-1$

 	private String message;

 	private List userInputs;

 	private boolean result = false;

 	Label messageArea;

 	Label errorArea;

 	HashMap<Object,Object> oldInfoForCancel;

 	private Color redColor;

 	public UserInputsDialog(Shell parentShell, List userInputs, String title,
 			String message) {
 		super(parentShell);
 		this.title = title;
 		this.message = message;
 		this.userInputs = userInputs;
 		oldInfoForCancel = new HashMap<Object,Object>();
 	}

 	/**
 	 *
 	 * @param title
 	 */
 	public void setTitle(String title) {
 		this.title = title;
 	}

 	/**
 	 *
 	 * @param msg
 	 */
 	public void setMessage(String message) {
 		this.message = message;
 	}

 	/**
 	 * Create a Tree Viewer.
 	 *
 	 */
 	protected void createTreeViewer(Composite parent, UserInput userInput) {
 		TreeViewer viewer;
 		if (!userInput.isMultiple()) {
 			viewer = new TreeViewer(parent, SWT.SINGLE | SWT.H_SCROLL
 					| SWT.V_SCROLL | SWT.BORDER);
 		} else {
 			viewer = new TreeViewer(parent, SWT.MULTI | SWT.H_SCROLL
 					| SWT.V_SCROLL | SWT.BORDER);
 		}

 		GridData spec = new GridData(GridData.FILL_BOTH);
 		{
 			spec.widthHint = 200;
 			spec.heightHint = 200;
 			spec.horizontalSpan = 3;
 			viewer.getControl().setLayoutData(spec);
 		}
 		viewer.addSelectionChangedListener(new ISelectionChangedListener() {

 			public void selectionChanged(SelectionChangedEvent event) {

 			}

 		});

 		if (viewer != null) {
 			viewer.setLabelProvider(labelProvider);
 			if (contentProvider != null) {
 				viewer.setContentProvider(contentProvider);
 			} else {
 				viewer.setContentProvider(new ArrayContentProvider());
 			}
 			viewer.setUseHashlookup(true);

 			viewer.setInput(userInput.getChoices());
 			viewer.getControl().setFont(parent.getFont());
 			// TODO: treeViewer Sorter and Expand/Collapse
 		}
 	}

 	/**
 	 * Creates a TableViewer
 	 *
 	 */
 	protected void createTableViewer(Composite parent, UserInput userInput) {
 		TableViewer viewer = new TableViewer(parent);
 		viewer.addSelectionChangedListener(new ISelectionChangedListener() {

 			public void selectionChanged(SelectionChangedEvent event) {

 			}
 		});
 	}

 	/**
 	 * Creates a Text control
 	 *
 	 * @param parent
 	 * @param userInput
 	 */
 	protected void createText(Composite parent, UserInput userInput) {
 		final UserInput localinput = userInput;
 		final IValidator validator = userInput.getValidator();
 		final Text text = new Text(parent, SWT.SINGLE | SWT.BORDER);
 		text.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
 		if (userInput.getInput() != null) {
 			text.setText((String) userInput.getInput());
 		}
 		text.addModifyListener(new ModifyListener() {
 			public void modifyText(ModifyEvent e) {
 				getButton(OK).setEnabled(true);
 				errorArea.setText(""); //$NON-NLS-1$
 				String errorTxt = ""; //$NON-NLS-1$
 				if (validator != null) {
 					errorTxt = validator.isValid(text.getText());
 					if (errorTxt != null && errorTxt.length() > 0) {
 						errorArea.setText(errorTxt);
 						getButton(OK).setEnabled(false);
 					} else {
 						errorArea.setText(""); //$NON-NLS-1$
 					}
 					globalErrorTxt = errorTxt;
 				}
 				if (errorTxt == null || errorTxt.length() <= 0) {
 					localinput.setInput(text.getText());
 				}
 			}
 		});

 		text.addFocusListener(new FocusAdapter() {
 			public void focusLost(FocusEvent e) {
 				String errorTxt = ""; //$NON-NLS-1$
 				if (validator != null) {
 					errorTxt = validator.isValid(text.getText());
 					if (errorTxt != null && errorTxt.length() > 0) {
 						errorArea.setText(errorTxt);
 						getButton(OK).setEnabled(false);
 					} else {
 						errorArea.setText(""); //$NON-NLS-1$
 					}
 					globalErrorTxt = errorTxt;
 				}
 				if (errorTxt == null || errorTxt.length() <= 0) {
 					localinput.setInput(text.getText());
 				}
 			}
 		});
 	}

 	/**
 	 * Method to setInput, subclass can override it.
 	 *
 	 */
 	protected void setInput(UserInput input, Object obj) {
 		input.setInput(obj);
 	}

 	/**
 	 * Creates a Comboviewer.
 	 *
 	 * @param composite
 	 * @param userInput
 	 */
 	protected void createComboViewer(Composite composite, UserInput userInput) {
 		final UserInput localInput = userInput;
 		final IValidator validator = userInput.getValidator();
 		final ComboViewer viewer = new ComboViewer(composite);
 		viewer.getCombo().setLayoutData(
 				new GridData(SWT.FILL, SWT.FILL, true, true));
 		viewer.setContentProvider(new ArrayContentProvider());
 		if (userInput.getLabelProvider() != null) {
 			viewer.setLabelProvider(new DelegateLabelProvider(userInput.getLabelProvider()));
 		}
 		List choices = userInput.getChoices();
 		viewer.setInput(choices);
 		if (choices != null && choices.size() > 0) {
 			viewer.setSelection(new StructuredSelection(choices.get(0)));
 			localInput.setInput(choices.get(0));
 		}
 		viewer.getCombo().addFocusListener(new FocusAdapter() {
 			public void focusLost(FocusEvent e) {
 				String errorTxt = ""; //$NON-NLS-1$
 				IStructuredSelection selected = (IStructuredSelection) viewer
 						.getSelection();
 				if (validator == null || selected == null) {
 					return;
 				}
 				IStatus status = validator.isValid(selected.getFirstElement());
 				if (status.getSeverity() == IStatus.ERROR) {
 					errorTxt = status.getMessage();
 				}
 				if (errorTxt != null && errorTxt.length() > 0) {
 					errorArea.setText(errorTxt);
 					getButton(OK).setEnabled(false);
 				} if (globalErrorTxt != null && globalErrorTxt.length() > 0) {
 					errorArea.setText(globalErrorTxt);
 					getButton(OK).setEnabled(false);
 				}
 				else
 					errorArea.setText(""); //$NON-NLS-1$
 			}
 		});
 		viewer.addSelectionChangedListener(new ISelectionChangedListener() {

 			public void selectionChanged(SelectionChangedEvent event) {
 				getButton(OK).setEnabled(true);
 				errorArea.setText(""); //$NON-NLS-1$

 				IStructuredSelection selection = (IStructuredSelection) event
 						.getSelection();
 				Object obj = selection.getFirstElement();
 				String errorTxt = ""; //$NON-NLS-1$
 				if (validator != null) {
 					IStatus status = validator.isValid(obj);
 					if (status.getCode() == IStatus.ERROR) {
 						errorTxt = status.getMessage();
 					}
 					if (errorTxt != null && errorTxt.length() > 0) {
 						errorArea.setText(errorTxt);
 					}
 					else if (globalErrorTxt != null && globalErrorTxt.length() > 0) {
 						errorArea.setText(globalErrorTxt);
 						getButton(OK).setEnabled(false);
 					}
 					else
 						errorArea.setText(""); //$NON-NLS-1$
 				}
 				if (errorTxt == null || errorTxt.length() <= 0) {
 					localInput.setInput(obj);
 				}
 			}
 		});
 	}

 	/**
 	 * Create a Label and Text for message area.
 	 *
 	 * @param composite
 	 * @return
 	 */
 	protected Label createMessageArea(Composite composite) {
 		Composite messageAreaComp = new Composite(composite, SWT.NONE);
 		GridLayout gridLayout = new GridLayout();
 		gridLayout.marginLeft = 0;
 		messageAreaComp.setLayout(gridLayout);
 		GridData gd = new GridData(GridData.FILL_BOTH);
 		messageAreaComp.setLayoutData(gd);

 		messageArea = new Label(messageAreaComp, SWT.WRAP);
 		if (message != null) {
 			messageArea.setText(message);
 		}
 		gd = new GridData(GridData.FILL_HORIZONTAL);
 		gd.minimumWidth = 400;
 		messageArea.setLayoutData(gd);
 		applyDialogFont(messageArea);
 		Label separator = new Label(messageAreaComp, SWT.HORIZONTAL | SWT.SEPARATOR);
 		GridData gd1 = new GridData(GridData.FILL_HORIZONTAL);
 		gd1.horizontalSpan = 2;
 		separator.setLayoutData(gd1);
 		return messageArea;
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite)
 	 */
 	protected Control createDialogArea(Composite parent) {
 		Composite composite = (Composite) super.createDialogArea(parent);
 		composite.setFont(parent.getFont());

 		GridLayout layout = (GridLayout) composite.getLayout();
 		layout.marginWidth = 10;
 		layout.marginHeight = 10;

 		// create message area
 		createMessageArea(composite);

 		// create dialog area
 		Composite dialogArea = new Composite(composite, SWT.NONE);
 		GridLayout dialogLayout = new GridLayout(2, false);
 		dialogLayout.marginLeft = 0;
 		dialogArea.setLayout(new GridLayout(2, false));
 		GridData gd = new GridData(GridData.FILL_BOTH);
 		dialogArea.setLayoutData(gd);

 		// Create controls based on UserInputs
 		if (userInputs != null && userInputs.size() > 0) {
 			for (Iterator iterator = userInputs.iterator(); iterator.hasNext();) {
 				Object object = iterator.next();
 				if (object instanceof UserInput) {
 					UserInput userInput = (UserInput) object;

 					// Store the userInput in the hashmap for cancel action.
 					oldInfoForCancel.put(userInput, userInput.getInput());

 					Label label = new Label(dialogArea, SWT.NONE);
 					label.setText(userInput.getLabel());
 					GridData gridData = new GridData(GridData.BEGINNING);
 					label.setLayoutData(gridData);

 					if (userInput.getType() == UserInput.TEXT) {
 						createText(dialogArea, userInput);
 					} else if (userInput.getType() == UserInput.SELECTION) {
 						createComboViewer(dialogArea, userInput);
 					}
 					// createEmptyLabel(dialogArea, 2);
 				}
 			}
 		}
 		createErrorArea(composite);
 		return composite;
 	}

 	/**
 	 * Creates a Error Area.
 	 *
 	 * @param composite
 	 */
 	private void createErrorArea(Composite composite) {
 		Composite errorAreaComp = new Composite(composite, SWT.NONE);
 		GridLayout layout = new GridLayout();
 		layout.marginLeft = 0;
 		errorAreaComp.setLayout(layout);
 		GridData gd = new GridData(GridData.FILL_BOTH);
 		errorAreaComp.setLayoutData(gd);

 		// create blank label
 //		new Label(composite, SWT.WRAP);

 		errorArea = new Label(errorAreaComp, SWT.WRAP);
 		redColor = new Color(null, new RGB(255, 0, 0));
 		if(redColor != null){
 			errorArea.setForeground(redColor);
 		}

 		gd = new GridData(GridData.FILL_HORIZONTAL | GridData.GRAB_VERTICAL);
 		gd.heightHint = 80;
 		errorArea.setLayoutData(gd);
 		applyDialogFont(errorArea);
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.jface.window.Window#configureShell(org.eclipse.swt.widgets.Shell)
 	 */
 	protected void configureShell(Shell newShell) {
 		super.configureShell(newShell);
 		if (this.title != null) {
 			newShell.setText(this.title);
 		}
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.jface.dialogs.Dialog#okPressed()
 	 */
 	protected void okPressed() {
 		result = true;
 		super.okPressed();
 	}

 	/*
 	 * (non-Javadoc)
 	 *
 	 * @see org.eclipse.jface.dialogs.Dialog#cancelPressed()
 	 */
 	protected void cancelPressed() {
 		if (userInputs != null && userInputs.size() > 0) {
 			for (Iterator iterator = userInputs.iterator(); iterator.hasNext();) {
 				Object object = iterator.next();
 				if (object instanceof UserInput) {
 					UserInput userInput = (UserInput) object;
 					userInput.setInput(oldInfoForCancel.get(userInput));
 				}
 			}
 		}
 		super.cancelPressed();
 	}

 	/**
 	 * Returns the results.
 	 *
 	 * @return
 	 */
 	public boolean getResult() {
 		return result;
 	}

 	@Override
 	public boolean close() {
 		if(redColor != null){
 			redColor.dispose();
 		}
 		return super.close();
 	}
 	/**
 	 * Create a empty label.
 	 *
 	 * @param composite
 	 * @param span
 	 */
 	// private void createEmptyLabel(Composite composite, int span){
 	// Label emptyLabel = new Label(composite, SWT.NONE);
 	// emptyLabel.setBackground(Colors.INHERITED_ELEMENT_LABEL);
 	// GridData emptyData = new GridData(GridData.FILL_HORIZONTAL);
 	// emptyLabel.setText("");
 	// emptyData = new GridData(GridData.FILL_HORIZONTAL);
 	// emptyData.horizontalSpan =span;
 	// emptyData.heightHint = 3;
 	// emptyLabel.setLayoutData(emptyData);
 	// }
 	/**
 	 * validates the input with given Validator in UserInput.
 	 */
 	// private boolean validate() {
 	// for (Iterator iter = userInputs.iterator(); iter.hasNext();) {
 	// UserInput element = (UserInput) iter.next();
 	// IValidator validator = element.getValidator();
 	// if (validator != null) {
 	// if (element.getType() == UserInput.TEXT) {
 	// errorTxt += validator
 	// .isValid(element.getInput().toString());
 	// } else {
 	// errorTxt += validator.isValid(element.getInput());
 	// }
 	// }
 	// }
 	// errorTxt = "System out testing";
 	// if (errorTxt != null && errorTxt.length() > 0) {
 	// errorArea.setText(errorTxt);
 	// errorArea.setForeground(ColorConstants.red);
 	// return false;
 	// }
 	// return true;
 	// }
 }
	//------------------------------------------------------------------------------
	// Copyright (c) 2005, 2007 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 implementation
	//------------------------------------------------------------------------------
	package org.eclipse.epf.library.ui.dialogs;

	import java.util.HashMap;
	import java.util.Iterator;
	import java.util.List;

	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.epf.library.edit.command.UserInput;
	import org.eclipse.epf.library.edit.validation.IValidator;
	import org.eclipse.epf.library.ui.providers.DelegateLabelProvider;
	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.viewers.ArrayContentProvider;
	import org.eclipse.jface.viewers.ComboViewer;
	import org.eclipse.jface.viewers.ILabelProvider;
	import org.eclipse.jface.viewers.ISelectionChangedListener;
	import org.eclipse.jface.viewers.IStructuredContentProvider;
	import org.eclipse.jface.viewers.IStructuredSelection;
	import org.eclipse.jface.viewers.SelectionChangedEvent;
	import org.eclipse.jface.viewers.StructuredSelection;
	import org.eclipse.jface.viewers.TableViewer;
	import org.eclipse.jface.viewers.TreeViewer;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.FocusAdapter;
	import org.eclipse.swt.events.FocusEvent;
	import org.eclipse.swt.events.ModifyEvent;
	import org.eclipse.swt.events.ModifyListener;
	import org.eclipse.swt.graphics.Color;
	import org.eclipse.swt.graphics.RGB;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Control;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Shell;
	import org.eclipse.swt.widgets.Text;

	/**
	* This dialog acts as a input dialog during command execution based on user
	* input and inputType dialog behaviour changes.
	*
	* @author Shashidhar Kannoori
	* @author Shilpa Toraskar
	* @since 1.2
	*
	*/
	public class UserInputsDialog extends Dialog {

	IStructuredContentProvider contentProvider;

	ILabelProvider labelProvider;

	private String title;

	private String globalErrorTxt = ""; //$NON-NLS-1$

	private String message;

	private List userInputs;

	private boolean result = false;

	Label messageArea;

	Label errorArea;

	HashMap<Object,Object> oldInfoForCancel;

	private Color redColor;

	public UserInputsDialog(Shell parentShell, List userInputs, String title,
	String message) {
	super(parentShell);
	this.title = title;
	this.message = message;
	this.userInputs = userInputs;
	oldInfoForCancel = new HashMap<Object,Object>();
	}

	/**
	*
	* @param title
	*/
	public void setTitle(String title) {
	this.title = title;
	}

	/**
	*
	* @param msg
	*/
	public void setMessage(String message) {
	this.message = message;
	}

	/**
	* Create a Tree Viewer.
	*
	*/
	protected void createTreeViewer(Composite parent, UserInput userInput) {
	TreeViewer viewer;
	if (!userInput.isMultiple()) {
	viewer = new TreeViewer(parent, SWT.SINGLE \| SWT.H_SCROLL
	\| SWT.V_SCROLL \| SWT.BORDER);
	} else {
	viewer = new TreeViewer(parent, SWT.MULTI \| SWT.H_SCROLL
	\| SWT.V_SCROLL \| SWT.BORDER);
	}

	GridData spec = new GridData(GridData.FILL_BOTH);
	{
	spec.widthHint = 200;
	spec.heightHint = 200;
	spec.horizontalSpan = 3;
	viewer.getControl().setLayoutData(spec);
	}
	viewer.addSelectionChangedListener(new ISelectionChangedListener() {

	public void selectionChanged(SelectionChangedEvent event) {

	}

	});

	if (viewer != null) {
	viewer.setLabelProvider(labelProvider);
	if (contentProvider != null) {
	viewer.setContentProvider(contentProvider);
	} else {
	viewer.setContentProvider(new ArrayContentProvider());
	}
	viewer.setUseHashlookup(true);

	viewer.setInput(userInput.getChoices());
	viewer.getControl().setFont(parent.getFont());
	// TODO: treeViewer Sorter and Expand/Collapse
	}
	}

	/**
	* Creates a TableViewer
	*
	*/
	protected void createTableViewer(Composite parent, UserInput userInput) {
	TableViewer viewer = new TableViewer(parent);
	viewer.addSelectionChangedListener(new ISelectionChangedListener() {

	public void selectionChanged(SelectionChangedEvent event) {

	}
	});
	}

	/**
	* Creates a Text control
	*
	* @param parent
	* @param userInput
	*/
	protected void createText(Composite parent, UserInput userInput) {
	final UserInput localinput = userInput;
	final IValidator validator = userInput.getValidator();
	final Text text = new Text(parent, SWT.SINGLE \| SWT.BORDER);
	text.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
	if (userInput.getInput() != null) {
	text.setText((String) userInput.getInput());
	}
	text.addModifyListener(new ModifyListener() {
	public void modifyText(ModifyEvent e) {
	getButton(OK).setEnabled(true);
	errorArea.setText(""); //$NON-NLS-1$
	String errorTxt = ""; //$NON-NLS-1$
	if (validator != null) {
	errorTxt = validator.isValid(text.getText());
	if (errorTxt != null && errorTxt.length() > 0) {
	errorArea.setText(errorTxt);
	getButton(OK).setEnabled(false);
	} else {
	errorArea.setText(""); //$NON-NLS-1$
	}
	globalErrorTxt = errorTxt;
	}
	if (errorTxt == null \|\| errorTxt.length() <= 0) {
	localinput.setInput(text.getText());
	}
	}
	});

	text.addFocusListener(new FocusAdapter() {
	public void focusLost(FocusEvent e) {
	String errorTxt = ""; //$NON-NLS-1$
	if (validator != null) {
	errorTxt = validator.isValid(text.getText());
	if (errorTxt != null && errorTxt.length() > 0) {
	errorArea.setText(errorTxt);
	getButton(OK).setEnabled(false);
	} else {
	errorArea.setText(""); //$NON-NLS-1$
	}
	globalErrorTxt = errorTxt;
	}
	if (errorTxt == null \|\| errorTxt.length() <= 0) {
	localinput.setInput(text.getText());
	}
	}
	});
	}

	/**
	* Method to setInput, subclass can override it.
	*
	*/
	protected void setInput(UserInput input, Object obj) {
	input.setInput(obj);
	}

	/**
	* Creates a Comboviewer.
	*
	* @param composite
	* @param userInput
	*/
	protected void createComboViewer(Composite composite, UserInput userInput) {
	final UserInput localInput = userInput;
	final IValidator validator = userInput.getValidator();
	final ComboViewer viewer = new ComboViewer(composite);
	viewer.getCombo().setLayoutData(
	new GridData(SWT.FILL, SWT.FILL, true, true));
	viewer.setContentProvider(new ArrayContentProvider());
	if (userInput.getLabelProvider() != null) {
	viewer.setLabelProvider(new DelegateLabelProvider(userInput.getLabelProvider()));
	}
	List choices = userInput.getChoices();
	viewer.setInput(choices);
	if (choices != null && choices.size() > 0) {
	viewer.setSelection(new StructuredSelection(choices.get(0)));
	localInput.setInput(choices.get(0));
	}
	viewer.getCombo().addFocusListener(new FocusAdapter() {
	public void focusLost(FocusEvent e) {
	String errorTxt = ""; //$NON-NLS-1$
	IStructuredSelection selected = (IStructuredSelection) viewer
	.getSelection();
	if (validator == null \|\| selected == null) {
	return;
	}
	IStatus status = validator.isValid(selected.getFirstElement());
	if (status.getSeverity() == IStatus.ERROR) {
	errorTxt = status.getMessage();
	}
	if (errorTxt != null && errorTxt.length() > 0) {
	errorArea.setText(errorTxt);
	getButton(OK).setEnabled(false);
	} if (globalErrorTxt != null && globalErrorTxt.length() > 0) {
	errorArea.setText(globalErrorTxt);
	getButton(OK).setEnabled(false);
	}
	else
	errorArea.setText(""); //$NON-NLS-1$
	}
	});
	viewer.addSelectionChangedListener(new ISelectionChangedListener() {

	public void selectionChanged(SelectionChangedEvent event) {
	getButton(OK).setEnabled(true);
	errorArea.setText(""); //$NON-NLS-1$

	IStructuredSelection selection = (IStructuredSelection) event
	.getSelection();
	Object obj = selection.getFirstElement();
	String errorTxt = ""; //$NON-NLS-1$
	if (validator != null) {
	IStatus status = validator.isValid(obj);
	if (status.getCode() == IStatus.ERROR) {
	errorTxt = status.getMessage();
	}
	if (errorTxt != null && errorTxt.length() > 0) {
	errorArea.setText(errorTxt);
	}
	else if (globalErrorTxt != null && globalErrorTxt.length() > 0) {
	errorArea.setText(globalErrorTxt);
	getButton(OK).setEnabled(false);
	}
	else
	errorArea.setText(""); //$NON-NLS-1$
	}
	if (errorTxt == null \|\| errorTxt.length() <= 0) {
	localInput.setInput(obj);
	}
	}
	});
	}

	/**
	* Create a Label and Text for message area.
	*
	* @param composite
	* @return
	*/
	protected Label createMessageArea(Composite composite) {
	Composite messageAreaComp = new Composite(composite, SWT.NONE);
	GridLayout gridLayout = new GridLayout();
	gridLayout.marginLeft = 0;
	messageAreaComp.setLayout(gridLayout);
	GridData gd = new GridData(GridData.FILL_BOTH);
	messageAreaComp.setLayoutData(gd);

	messageArea = new Label(messageAreaComp, SWT.WRAP);
	if (message != null) {
	messageArea.setText(message);
	}
	gd = new GridData(GridData.FILL_HORIZONTAL);
	gd.minimumWidth = 400;
	messageArea.setLayoutData(gd);
	applyDialogFont(messageArea);
	Label separator = new Label(messageAreaComp, SWT.HORIZONTAL \| SWT.SEPARATOR);
	GridData gd1 = new GridData(GridData.FILL_HORIZONTAL);
	gd1.horizontalSpan = 2;
	separator.setLayoutData(gd1);
	return messageArea;
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite)
	*/
	protected Control createDialogArea(Composite parent) {
	Composite composite = (Composite) super.createDialogArea(parent);
	composite.setFont(parent.getFont());

	GridLayout layout = (GridLayout) composite.getLayout();
	layout.marginWidth = 10;
	layout.marginHeight = 10;

	// create message area
	createMessageArea(composite);

	// create dialog area
	Composite dialogArea = new Composite(composite, SWT.NONE);
	GridLayout dialogLayout = new GridLayout(2, false);
	dialogLayout.marginLeft = 0;
	dialogArea.setLayout(new GridLayout(2, false));
	GridData gd = new GridData(GridData.FILL_BOTH);
	dialogArea.setLayoutData(gd);

	// Create controls based on UserInputs
	if (userInputs != null && userInputs.size() > 0) {
	for (Iterator iterator = userInputs.iterator(); iterator.hasNext();) {
	Object object = iterator.next();
	if (object instanceof UserInput) {
	UserInput userInput = (UserInput) object;

	// Store the userInput in the hashmap for cancel action.
	oldInfoForCancel.put(userInput, userInput.getInput());

	Label label = new Label(dialogArea, SWT.NONE);
	label.setText(userInput.getLabel());
	GridData gridData = new GridData(GridData.BEGINNING);
	label.setLayoutData(gridData);

	if (userInput.getType() == UserInput.TEXT) {
	createText(dialogArea, userInput);
	} else if (userInput.getType() == UserInput.SELECTION) {
	createComboViewer(dialogArea, userInput);
	}
	// createEmptyLabel(dialogArea, 2);
	}
	}
	}
	createErrorArea(composite);
	return composite;
	}

	/**
	* Creates a Error Area.
	*
	* @param composite
	*/
	private void createErrorArea(Composite composite) {
	Composite errorAreaComp = new Composite(composite, SWT.NONE);
	GridLayout layout = new GridLayout();
	layout.marginLeft = 0;
	errorAreaComp.setLayout(layout);
	GridData gd = new GridData(GridData.FILL_BOTH);
	errorAreaComp.setLayoutData(gd);

	// create blank label
	// new Label(composite, SWT.WRAP);

	errorArea = new Label(errorAreaComp, SWT.WRAP);
	redColor = new Color(null, new RGB(255, 0, 0));
	if(redColor != null){
	errorArea.setForeground(redColor);
	}

	gd = new GridData(GridData.FILL_HORIZONTAL \| GridData.GRAB_VERTICAL);
	gd.heightHint = 80;
	errorArea.setLayoutData(gd);
	applyDialogFont(errorArea);
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.jface.window.Window#configureShell(org.eclipse.swt.widgets.Shell)
	*/
	protected void configureShell(Shell newShell) {
	super.configureShell(newShell);
	if (this.title != null) {
	newShell.setText(this.title);
	}
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.jface.dialogs.Dialog#okPressed()
	*/
	protected void okPressed() {
	result = true;
	super.okPressed();
	}

	/*
	* (non-Javadoc)
	*
	* @see org.eclipse.jface.dialogs.Dialog#cancelPressed()
	*/
	protected void cancelPressed() {
	if (userInputs != null && userInputs.size() > 0) {
	for (Iterator iterator = userInputs.iterator(); iterator.hasNext();) {
	Object object = iterator.next();
	if (object instanceof UserInput) {
	UserInput userInput = (UserInput) object;
	userInput.setInput(oldInfoForCancel.get(userInput));
	}
	}
	}
	super.cancelPressed();
	}

	/**
	* Returns the results.
	*
	* @return
	*/
	public boolean getResult() {
	return result;
	}

	@Override
	public boolean close() {
	if(redColor != null){
	redColor.dispose();
	}
	return super.close();
	}
	/**
	* Create a empty label.
	*
	* @param composite
	* @param span
	*/
	// private void createEmptyLabel(Composite composite, int span){
	// Label emptyLabel = new Label(composite, SWT.NONE);
	// emptyLabel.setBackground(Colors.INHERITED_ELEMENT_LABEL);
	// GridData emptyData = new GridData(GridData.FILL_HORIZONTAL);
	// emptyLabel.setText("");
	// emptyData = new GridData(GridData.FILL_HORIZONTAL);
	// emptyData.horizontalSpan =span;
	// emptyData.heightHint = 3;
	// emptyLabel.setLayoutData(emptyData);
	// }
	/**
	* validates the input with given Validator in UserInput.
	*/
	// private boolean validate() {
	// for (Iterator iter = userInputs.iterator(); iter.hasNext();) {
	// UserInput element = (UserInput) iter.next();
	// IValidator validator = element.getValidator();
	// if (validator != null) {
	// if (element.getType() == UserInput.TEXT) {
	// errorTxt += validator
	// .isValid(element.getInput().toString());
	// } else {
	// errorTxt += validator.isValid(element.getInput());
	// }
	// }
	// }
	// errorTxt = "System out testing";
	// if (errorTxt != null && errorTxt.length() > 0) {
	// errorArea.setText(errorTxt);
	// errorArea.setForeground(ColorConstants.red);
	// return false;
	// }
	// return true;
	// }
	}