bundles/org.eclipse.wst.xsd.ui/src-common/org/eclipse/wst/xsd/ui/internal/common/properties/sections/appinfo/AddNewCategoryDialog.java - sourceediting/webtools.sourceediting - Git at Google

 /*******************************************************************************
  * Copyright (c) 2006, 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 API and implementation
  *******************************************************************************/
 package org.eclipse.wst.xsd.ui.internal.common.properties.sections.appinfo;

 import java.util.List;

 import org.eclipse.core.resources.IFile;
 import org.eclipse.core.runtime.Platform;
 import org.eclipse.jface.action.Action;
 import org.eclipse.jface.action.MenuManager;
 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.dialogs.IDialogConstants;
 import org.eclipse.jface.window.Window;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.custom.CLabel;
 import org.eclipse.swt.events.ModifyEvent;
 import org.eclipse.swt.events.ModifyListener;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.graphics.Point;
 import org.eclipse.swt.graphics.Rectangle;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Menu;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.swt.widgets.Text;
 import org.eclipse.swt.widgets.ToolBar;
 import org.eclipse.swt.widgets.ToolItem;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.wst.common.ui.internal.dialogs.SelectSingleFileDialog;
 import org.eclipse.wst.xsd.ui.internal.common.util.Messages;
 import org.eclipse.wst.xsd.ui.internal.editor.XSDEditorCSHelpIds;
 import org.eclipse.wst.xsd.ui.internal.editor.XSDEditorPlugin;

 public class AddNewCategoryDialog extends Dialog
 {

   private static final String SCHEMA_LABEL = Messages._UI_LABEL_SCHEMA;
   private static final String NAME_LABEL = Messages._UI_LABEL_NAME;
   private String dialogTitle = Messages._UI_LABEL_ADD_CATEGORY;

   protected MenuManager browseMenu;
   protected Label name;
   protected Text nameText;
   protected Label schema;
   protected CLabel schemaDisplayer;
   protected ToolBar browseToolBar;
   protected ToolItem browseItem;

   protected List invalidNames;

   // TODO (cs) rename this field to extensionSchemaLocation in WTP 2.0
   protected String appInfoSchemaLocation;
   protected String categoryName;
   protected CLabel errDisplayer;
   protected boolean isCategoryNameValid;
   protected boolean fromCatalog;

   private boolean canOK =false;

   /** Either the location if come from workspace or namespace if come from
    * 	XML Catalog  */
   protected String source;

   public AddNewCategoryDialog(Shell parentShell)
   {
     super(parentShell);
   }

   public AddNewCategoryDialog(Shell parentShell, String dialogTitle)
   {
     super(parentShell);
     this.dialogTitle = dialogTitle;
   }

   /**
    * receive a List of names which have already been added to the category list
    *
    * @param unavailNames
    *          Array of unvailable names
    */
   public void setUnavailableCategoryNames(List unavailNames)
   {
     invalidNames = unavailNames;
   }

   public String getNewCategoryName()
   {
     return categoryName.trim();
   }

   public String getCategoryLocation()
   {
     return appInfoSchemaLocation;
   }

   public void setCategoryLocation(String s){
 	  appInfoSchemaLocation = s;
   }

   /** @deprecated */
   public SpecificationForExtensionsSchema getExtensionsSchemaSpec(){
 	SpecificationForExtensionsSchema schemaSpec = new SpecificationForExtensionsSchema();
 	schemaSpec.setDisplayName(getNewCategoryName());
 	schemaSpec.setLocation(getCategoryLocation());

 	return schemaSpec;
   }

   public void setCategoryName(String categoryName) {
 	this.categoryName = categoryName;
   }

   public boolean getFromCatalog() {
 	return fromCatalog;
   }

   public void setFromCatalog(boolean b){
 	fromCatalog = b;
   }

   public String getSource()
   {
 	return source;
   }

   public void setSource(String source) {
 	this.source = source;
   }

   protected Control createButtonBar(Composite parent)
   {
     Control result = super.createButtonBar(parent);
     getButton(IDialogConstants.OK_ID).setEnabled(canOK);
     return result;
   }

   // redudant method to improve speed (according to the compiler)
   protected Button getButton(int id) {
     return super.getButton(id);
   }

   protected Control createDialogArea(Composite parent)
   {
     getShell().setText(dialogTitle);

     Composite mainComposite = (Composite) super.createDialogArea(parent);
     GridLayout layout = new GridLayout(3, false);
     layout.marginTop = 10;
     mainComposite.setLayout(layout);
     mainComposite.setLayoutData(new GridData(GridData.FILL_BOTH));
     GridData data = new GridData();
     data.widthHint = 400;

     mainComposite.setLayoutData(data);

     // Line 1, name
     name = new Label(mainComposite, SWT.NONE);
     name.setText(NAME_LABEL);

     nameText = new Text(mainComposite, SWT.BORDER | SWT.SINGLE);
     nameText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
     if (categoryName != null)
     	nameText.setText(categoryName);
     PlatformUI.getWorkbench().getHelpSystem().setHelp(nameText,
     		XSDEditorCSHelpIds.ADD_CATEGORY__NAME);

     Button hidden = new Button(mainComposite, SWT.NONE);
     hidden.setVisible(false);

     // Line 2, schema
     schema = new Label(mainComposite, SWT.NONE);
     schema.setText(SCHEMA_LABEL);

     schemaDisplayer = new CLabel(mainComposite, SWT.BORDER | SWT.SINGLE);
     schemaDisplayer.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
     if (source != null)
     {
     	if (fromCatalog)
     		schemaDisplayer.setImage(
     				XSDEditorPlugin.getXSDImage("icons/xmlcatalog_obj.gif")); //$NON-NLS-1$
     	else
     		schemaDisplayer.setImage(
     				XSDEditorPlugin.getXSDImage("icons/XSDFile.gif")); //$NON-NLS-1$
     	schemaDisplayer.setText(source);

     }
     PlatformUI.getWorkbench().getHelpSystem().setHelp(schemaDisplayer,
     		XSDEditorCSHelpIds.ADD_CATEGORY__SCHEMA);

     if (categoryName != null && source != null)
     	canOK = true;

     browseToolBar = new ToolBar(mainComposite, SWT.FLAT);
     browseItem = new ToolItem(browseToolBar, SWT.NONE);
     // TODO: Should be able to get the image from the XML plugin. Don't need
     // to copy to XSDEditor icons folder like this.
     browseItem.setImage(XSDEditorPlugin.getXSDImage("icons/appinfo_browse.gif")); //$NON-NLS-1$

     browseMenu = new MenuManager();

     BrowseInWorkspaceAction browseInWorkspace = new BrowseInWorkspaceAction();
     browseMenu.add(browseInWorkspace);

     BrowseCatalogAction browseCatalog = new BrowseCatalogAction();
     browseMenu.add(browseCatalog);

     browseItem.addSelectionListener(new SelectionAdapter()
     {
       public void widgetSelected(SelectionEvent e)
       {
         Menu menu = browseMenu.createContextMenu(getShell());
         Rectangle bounds = browseItem.getBounds();
         Point topLeft = new Point(bounds.x, bounds.y + bounds.height);
         topLeft = browseToolBar.toDisplay(topLeft);
         menu.setLocation(topLeft.x, topLeft.y);
         menu.setVisible(true);
       }
     });

     // Composite errComp = new Composite(mainComposite, SWT.NONE);
     // errComp.setBackground(org.eclipse.draw2d.ColorConstants.white);
     // errComp.setLayout(new GridLayout());
     errDisplayer = new CLabel(mainComposite, SWT.FLAT);
     // errDisplayer.setText("abd");
     GridData gd = new GridData(GridData.FILL_BOTH);
     gd.grabExcessHorizontalSpace = true;
     gd.horizontalSpan = 3;
     errDisplayer.setLayoutData(gd);

     // errComp.setLayoutData(gd);
     // errDisplayer.setLayoutData(gd);
     // errMsgContainer.setContent(errDisplayer);

     nameText.addModifyListener(new ModifyListener()
     {
       // track the nameText and enable/disable the OK button accordingly
       public void modifyText(ModifyEvent e)
       {
         categoryName = nameText.getText();

         // name is in the invalid List
         if (invalidNames != null)
         {
           if (invalidNames.contains(categoryName.trim()))
           {
             isCategoryNameValid = false;

             getButton(IDialogConstants.OK_ID).setEnabled(false);
             errDisplayer.setText(Messages._UI_ERROR_NAME_ALREADY_USED);
             errDisplayer.setImage(XSDEditorPlugin.getXSDImage("icons/error_st_obj.gif")); //$NON-NLS-1$
             return;
           }
         }
         // name is empty string
         if (categoryName.equals("")) //$NON-NLS-1$
         {
           isCategoryNameValid = false;

           getButton(IDialogConstants.OK_ID).setEnabled(false);
           errDisplayer.setText(""); //$NON-NLS-1$
           errDisplayer.setImage(null);
           return;
         }

         /*
          * Enable the Ok button if the location field AND the name field are not
          * empty
          */
         if (!categoryName.equals("")) //$NON-NLS-1$
         {
           isCategoryNameValid = true;
           errDisplayer.setText(""); //$NON-NLS-1$
           errDisplayer.setImage(null);
         }
         if (appInfoSchemaLocation != null && !appInfoSchemaLocation.equals("")) //$NON-NLS-1$
         {
           getButton(IDialogConstants.OK_ID).setEnabled(true);
         }
       }
     });

     return parent;
   }

   protected void okPressed()
   {
     super.okPressed();
   }

   protected class BrowseInWorkspaceAction extends Action
   {
     private static final String XSD_FILE_EXTENSION = ".xsd"; //$NON-NLS-1$

     public BrowseInWorkspaceAction()
     {
       super(Messages._UI_ACTION_BROWSE_WORKSPACE);
     }

     public void run()
     {
       SelectSingleFileDialog dialog = new SelectSingleFileDialog(getShell(), null, true);
       dialog.addFilterExtensions(new String[] { XSD_FILE_EXTENSION });
       dialog.create();
       dialog.setTitle(Messages._UI_LABEL_SELECT_XSD_FILE);
       dialog.setMessage(Messages._UI_DESCRIPTION_CHOOSE_XSD_FILE);

       if (dialog.open() == Window.OK)
       {
         IFile appInfoSchemaFile = dialog.getFile();
         if (appInfoSchemaFile != null)
         {
           // remove leading slash from the value to avoid the
           // whole leading slash ambiguity problem
           String uri = appInfoSchemaFile.getFullPath().toString();
           while (uri.startsWith("/") || uri.startsWith("\\")) { //$NON-NLS-1$ //$NON-NLS-2$
             uri = uri.substring(1);
           }
           appInfoSchemaLocation = uri.toString();
           source = uri;
           fromCatalog = false;

           appInfoSchemaLocation = "file://" + Platform.getLocation().toString() + "/" + appInfoSchemaLocation; //$NON-NLS-1$ //$NON-NLS-2$
           // TODO... be careful how we construct the location
           // UNIX related issues here

           schemaDisplayer.setImage(XSDEditorPlugin.getXSDImage("icons/XSDFile.gif")); //$NON-NLS-1$
           schemaDisplayer.setText(uri);

           // Enable the OK button if we should..
           if (isCategoryNameValid)
           {
             getButton(IDialogConstants.OK_ID).setEnabled(true);
             errDisplayer.setText(""); //$NON-NLS-1$
             errDisplayer.setImage(null);
           }
         }
       }
     }
   }

   protected class BrowseCatalogAction extends Action
   {
     public BrowseCatalogAction()
     {
       super(Messages._UI_ACTION_BROWSE_CATALOG);
     }

     public void run()
     {
       SelectFromCatalogDialog dialog = new SelectFromCatalogDialog(getShell());
       // dialog.open();
       if (dialog.open() == Window.OK)
       {
         appInfoSchemaLocation = dialog.getCurrentSelectionLocation();
         source = dialog.getCurrentSelectionNamespace();
         fromCatalog = true;

         schemaDisplayer.setImage(XSDEditorPlugin.getXSDImage("icons/xmlcatalog_obj.gif")); //$NON-NLS-1$
         schemaDisplayer.setText(dialog.getCurrentSelectionNamespace());

         // Enable the OK button if we should..
         if (isCategoryNameValid && !appInfoSchemaLocation.equals("")) //$NON-NLS-1$
         {
           getButton(IDialogConstants.OK_ID).setEnabled(true);
           errDisplayer.setText(""); //$NON-NLS-1$
           errDisplayer.setImage(null);
         }
       }
     }
   }

 }
	/*******************************************************************************
	* Copyright (c) 2006, 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 API and implementation
	*******************************************************************************/
	package org.eclipse.wst.xsd.ui.internal.common.properties.sections.appinfo;

	import java.util.List;

	import org.eclipse.core.resources.IFile;
	import org.eclipse.core.runtime.Platform;
	import org.eclipse.jface.action.Action;
	import org.eclipse.jface.action.MenuManager;
	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.dialogs.IDialogConstants;
	import org.eclipse.jface.window.Window;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.custom.CLabel;
	import org.eclipse.swt.events.ModifyEvent;
	import org.eclipse.swt.events.ModifyListener;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.graphics.Point;
	import org.eclipse.swt.graphics.Rectangle;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Control;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Menu;
	import org.eclipse.swt.widgets.Shell;
	import org.eclipse.swt.widgets.Text;
	import org.eclipse.swt.widgets.ToolBar;
	import org.eclipse.swt.widgets.ToolItem;
	import org.eclipse.ui.PlatformUI;
	import org.eclipse.wst.common.ui.internal.dialogs.SelectSingleFileDialog;
	import org.eclipse.wst.xsd.ui.internal.common.util.Messages;
	import org.eclipse.wst.xsd.ui.internal.editor.XSDEditorCSHelpIds;
	import org.eclipse.wst.xsd.ui.internal.editor.XSDEditorPlugin;

	public class AddNewCategoryDialog extends Dialog
	{

	private static final String SCHEMA_LABEL = Messages._UI_LABEL_SCHEMA;
	private static final String NAME_LABEL = Messages._UI_LABEL_NAME;
	private String dialogTitle = Messages._UI_LABEL_ADD_CATEGORY;

	protected MenuManager browseMenu;
	protected Label name;
	protected Text nameText;
	protected Label schema;
	protected CLabel schemaDisplayer;
	protected ToolBar browseToolBar;
	protected ToolItem browseItem;

	protected List invalidNames;

	// TODO (cs) rename this field to extensionSchemaLocation in WTP 2.0
	protected String appInfoSchemaLocation;
	protected String categoryName;
	protected CLabel errDisplayer;
	protected boolean isCategoryNameValid;
	protected boolean fromCatalog;

	private boolean canOK =false;

	/** Either the location if come from workspace or namespace if come from
	* XML Catalog */
	protected String source;

	public AddNewCategoryDialog(Shell parentShell)
	{
	super(parentShell);
	}

	public AddNewCategoryDialog(Shell parentShell, String dialogTitle)
	{
	super(parentShell);
	this.dialogTitle = dialogTitle;
	}

	/**
	* receive a List of names which have already been added to the category list
	*
	* @param unavailNames
	* Array of unvailable names
	*/
	public void setUnavailableCategoryNames(List unavailNames)
	{
	invalidNames = unavailNames;
	}

	public String getNewCategoryName()
	{
	return categoryName.trim();
	}

	public String getCategoryLocation()
	{
	return appInfoSchemaLocation;
	}

	public void setCategoryLocation(String s){
	appInfoSchemaLocation = s;
	}

	/** @deprecated */
	public SpecificationForExtensionsSchema getExtensionsSchemaSpec(){
	SpecificationForExtensionsSchema schemaSpec = new SpecificationForExtensionsSchema();
	schemaSpec.setDisplayName(getNewCategoryName());
	schemaSpec.setLocation(getCategoryLocation());

	return schemaSpec;
	}

	public void setCategoryName(String categoryName) {
	this.categoryName = categoryName;
	}

	public boolean getFromCatalog() {
	return fromCatalog;
	}

	public void setFromCatalog(boolean b){
	fromCatalog = b;
	}

	public String getSource()
	{
	return source;
	}

	public void setSource(String source) {
	this.source = source;
	}

	protected Control createButtonBar(Composite parent)
	{
	Control result = super.createButtonBar(parent);
	getButton(IDialogConstants.OK_ID).setEnabled(canOK);
	return result;
	}

	// redudant method to improve speed (according to the compiler)
	protected Button getButton(int id) {
	return super.getButton(id);
	}

	protected Control createDialogArea(Composite parent)
	{
	getShell().setText(dialogTitle);

	Composite mainComposite = (Composite) super.createDialogArea(parent);
	GridLayout layout = new GridLayout(3, false);
	layout.marginTop = 10;
	mainComposite.setLayout(layout);
	mainComposite.setLayoutData(new GridData(GridData.FILL_BOTH));
	GridData data = new GridData();
	data.widthHint = 400;

	mainComposite.setLayoutData(data);

	// Line 1, name
	name = new Label(mainComposite, SWT.NONE);
	name.setText(NAME_LABEL);

	nameText = new Text(mainComposite, SWT.BORDER \| SWT.SINGLE);
	nameText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	if (categoryName != null)
	nameText.setText(categoryName);
	PlatformUI.getWorkbench().getHelpSystem().setHelp(nameText,
	XSDEditorCSHelpIds.ADD_CATEGORY__NAME);

	Button hidden = new Button(mainComposite, SWT.NONE);
	hidden.setVisible(false);

	// Line 2, schema
	schema = new Label(mainComposite, SWT.NONE);
	schema.setText(SCHEMA_LABEL);

	schemaDisplayer = new CLabel(mainComposite, SWT.BORDER \| SWT.SINGLE);
	schemaDisplayer.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	if (source != null)
	{
	if (fromCatalog)
	schemaDisplayer.setImage(
	XSDEditorPlugin.getXSDImage("icons/xmlcatalog_obj.gif")); //$NON-NLS-1$
	else
	schemaDisplayer.setImage(
	XSDEditorPlugin.getXSDImage("icons/XSDFile.gif")); //$NON-NLS-1$
	schemaDisplayer.setText(source);

	}
	PlatformUI.getWorkbench().getHelpSystem().setHelp(schemaDisplayer,
	XSDEditorCSHelpIds.ADD_CATEGORY__SCHEMA);

	if (categoryName != null && source != null)
	canOK = true;

	browseToolBar = new ToolBar(mainComposite, SWT.FLAT);
	browseItem = new ToolItem(browseToolBar, SWT.NONE);
	// TODO: Should be able to get the image from the XML plugin. Don't need
	// to copy to XSDEditor icons folder like this.
	browseItem.setImage(XSDEditorPlugin.getXSDImage("icons/appinfo_browse.gif")); //$NON-NLS-1$

	browseMenu = new MenuManager();

	BrowseInWorkspaceAction browseInWorkspace = new BrowseInWorkspaceAction();
	browseMenu.add(browseInWorkspace);

	BrowseCatalogAction browseCatalog = new BrowseCatalogAction();
	browseMenu.add(browseCatalog);

	browseItem.addSelectionListener(new SelectionAdapter()
	{
	public void widgetSelected(SelectionEvent e)
	{
	Menu menu = browseMenu.createContextMenu(getShell());
	Rectangle bounds = browseItem.getBounds();
	Point topLeft = new Point(bounds.x, bounds.y + bounds.height);
	topLeft = browseToolBar.toDisplay(topLeft);
	menu.setLocation(topLeft.x, topLeft.y);
	menu.setVisible(true);
	}
	});

	// Composite errComp = new Composite(mainComposite, SWT.NONE);
	// errComp.setBackground(org.eclipse.draw2d.ColorConstants.white);
	// errComp.setLayout(new GridLayout());
	errDisplayer = new CLabel(mainComposite, SWT.FLAT);
	// errDisplayer.setText("abd");
	GridData gd = new GridData(GridData.FILL_BOTH);
	gd.grabExcessHorizontalSpace = true;
	gd.horizontalSpan = 3;
	errDisplayer.setLayoutData(gd);

	// errComp.setLayoutData(gd);
	// errDisplayer.setLayoutData(gd);
	// errMsgContainer.setContent(errDisplayer);

	nameText.addModifyListener(new ModifyListener()
	{
	// track the nameText and enable/disable the OK button accordingly
	public void modifyText(ModifyEvent e)
	{
	categoryName = nameText.getText();

	// name is in the invalid List
	if (invalidNames != null)
	{
	if (invalidNames.contains(categoryName.trim()))
	{
	isCategoryNameValid = false;

	getButton(IDialogConstants.OK_ID).setEnabled(false);
	errDisplayer.setText(Messages._UI_ERROR_NAME_ALREADY_USED);
	errDisplayer.setImage(XSDEditorPlugin.getXSDImage("icons/error_st_obj.gif")); //$NON-NLS-1$
	return;
	}
	}
	// name is empty string
	if (categoryName.equals("")) //$NON-NLS-1$
	{
	isCategoryNameValid = false;

	getButton(IDialogConstants.OK_ID).setEnabled(false);
	errDisplayer.setText(""); //$NON-NLS-1$
	errDisplayer.setImage(null);
	return;
	}

	/*
	* Enable the Ok button if the location field AND the name field are not
	* empty
	*/
	if (!categoryName.equals("")) //$NON-NLS-1$
	{
	isCategoryNameValid = true;
	errDisplayer.setText(""); //$NON-NLS-1$
	errDisplayer.setImage(null);
	}
	if (appInfoSchemaLocation != null && !appInfoSchemaLocation.equals("")) //$NON-NLS-1$
	{
	getButton(IDialogConstants.OK_ID).setEnabled(true);
	}
	}
	});

	return parent;
	}

	protected void okPressed()
	{
	super.okPressed();
	}

	protected class BrowseInWorkspaceAction extends Action
	{
	private static final String XSD_FILE_EXTENSION = ".xsd"; //$NON-NLS-1$

	public BrowseInWorkspaceAction()
	{
	super(Messages._UI_ACTION_BROWSE_WORKSPACE);
	}

	public void run()
	{
	SelectSingleFileDialog dialog = new SelectSingleFileDialog(getShell(), null, true);
	dialog.addFilterExtensions(new String[] { XSD_FILE_EXTENSION });
	dialog.create();
	dialog.setTitle(Messages._UI_LABEL_SELECT_XSD_FILE);
	dialog.setMessage(Messages._UI_DESCRIPTION_CHOOSE_XSD_FILE);

	if (dialog.open() == Window.OK)
	{
	IFile appInfoSchemaFile = dialog.getFile();
	if (appInfoSchemaFile != null)
	{
	// remove leading slash from the value to avoid the
	// whole leading slash ambiguity problem
	String uri = appInfoSchemaFile.getFullPath().toString();
	while (uri.startsWith("/") \|\| uri.startsWith("\\")) { //$NON-NLS-1$ //$NON-NLS-2$
	uri = uri.substring(1);
	}
	appInfoSchemaLocation = uri.toString();
	source = uri;
	fromCatalog = false;

	appInfoSchemaLocation = "file://" + Platform.getLocation().toString() + "/" + appInfoSchemaLocation; //$NON-NLS-1$ //$NON-NLS-2$
	// TODO... be careful how we construct the location
	// UNIX related issues here

	schemaDisplayer.setImage(XSDEditorPlugin.getXSDImage("icons/XSDFile.gif")); //$NON-NLS-1$
	schemaDisplayer.setText(uri);

	// Enable the OK button if we should..
	if (isCategoryNameValid)
	{
	getButton(IDialogConstants.OK_ID).setEnabled(true);
	errDisplayer.setText(""); //$NON-NLS-1$
	errDisplayer.setImage(null);
	}
	}
	}
	}
	}

	protected class BrowseCatalogAction extends Action
	{
	public BrowseCatalogAction()
	{
	super(Messages._UI_ACTION_BROWSE_CATALOG);
	}

	public void run()
	{
	SelectFromCatalogDialog dialog = new SelectFromCatalogDialog(getShell());
	// dialog.open();
	if (dialog.open() == Window.OK)
	{
	appInfoSchemaLocation = dialog.getCurrentSelectionLocation();
	source = dialog.getCurrentSelectionNamespace();
	fromCatalog = true;

	schemaDisplayer.setImage(XSDEditorPlugin.getXSDImage("icons/xmlcatalog_obj.gif")); //$NON-NLS-1$
	schemaDisplayer.setText(dialog.getCurrentSelectionNamespace());

	// Enable the OK button if we should..
	if (isCategoryNameValid && !appInfoSchemaLocation.equals("")) //$NON-NLS-1$
	{
	getButton(IDialogConstants.OK_ID).setEnabled(true);
	errDisplayer.setText(""); //$NON-NLS-1$
	errDisplayer.setImage(null);
	}
	}
	}
	}

	}