--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/com.nokia.carbide.templatewizard/src/com/nokia/carbide/internal/api/templatewizard/ui/UIDComposite.java	Fri Apr 03 23:33:03 2009 +0100
@@ -0,0 +1,176 @@
+/*
+* Copyright (c) 2006, 2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*
+*/
+
+
+package com.nokia.carbide.internal.api.templatewizard.ui;
+
+import com.nokia.carbide.internal.api.templatewizard.ui.TemplateWizardPage.FieldModel;
+import com.nokia.carbide.templatewizard.Messages;
+import com.nokia.cpp.internal.api.utils.core.Check;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.SelectionAdapter;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.*;
+
+import java.util.Random;
+
+/**
+ * A composite with text field for entering a 32 bit UID in hex format and random button
+ */
+public class UIDComposite extends Composite {
+
+	private Text text;
+	private Button button;
+
+	public static Random random = new Random();
+	public static final String HEX_PREFIX = "0x"; //$NON-NLS-1$
+	public static final int HEX_PREFIX_LEN = HEX_PREFIX.length();
+	public static final String WITHOUT_0X_PREFIX = "-WITHOUT_0X"; //$NON-NLS-1$
+	private long minValue;
+	private long maxValue;
+	
+	public UIDComposite(Composite parent, FieldModel model, long minValue, long maxValue) {
+		super(parent, SWT.NULL);
+		final GridLayout gridLayout = new GridLayout(2, false);
+		gridLayout.marginWidth = 0;
+		gridLayout.marginHeight = 0;
+		setLayout(gridLayout);
+		text = new Text(this, SWT.BORDER);
+		text.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, true, false));
+		this.minValue = minValue;
+		this.maxValue = maxValue;
+		setRandom();
+		model.setValue(text.getText());
+		button = new Button(this, SWT.PUSH);
+		button.setText(Messages.getString("UIDComposite.RandomLabel")); //$NON-NLS-1$
+		button.setLayoutData(new GridData(GridData.END, GridData.CENTER, false, false));
+		button.addSelectionListener(new SelectionAdapter() {
+			public void widgetSelected(SelectionEvent e) {
+				setRandom();
+			}
+		});
+	}
+	
+	public void setRandom() {
+		text.setText(getRandomAppUID());
+		Event event = new Event();
+		event.item = text;
+		text.notifyListeners(SWT.Modify, event);
+	}
+	
+	public boolean isValid() {
+		return validateAppUIDText();
+	}
+	
+    private static String createCanonicalHexString(long value) {
+    	final char[] ZEROS = { '0', '0', '0', '0', '0', '0', '0', '0' };
+    	String unprocessedHex = Long.toHexString(value).toUpperCase();
+    	StringBuffer buf = new StringBuffer(10);
+    	buf.append(HEX_PREFIX);
+    	int numSigDigits = unprocessedHex.length();
+    	int numLeadingZeros = 8 - numSigDigits;
+    	if (numLeadingZeros > 0)
+    		buf.append(ZEROS, 0, numLeadingZeros);
+    	buf.append(unprocessedHex);
+    	
+    	return buf.toString();
+    }
+    
+    public static String makeCanonicalHexString(String hexString) {
+    	try {
+    		long l = Long.parseLong(hexString.substring(HEX_PREFIX_LEN), 16);
+    		return createCanonicalHexString(l);
+    	}
+    	catch (NumberFormatException e) {
+    	}
+    	catch (IndexOutOfBoundsException e) {
+    	}
+    	
+    	return hexString;
+    }
+    
+    public static boolean isValidHexString(String string) {
+    	if (string.length() < HEX_PREFIX_LEN || 
+    			!string.substring(0, HEX_PREFIX_LEN).equalsIgnoreCase(HEX_PREFIX))
+    		return false;
+
+    	try {
+    		Long.parseLong(string.substring(HEX_PREFIX_LEN), 16);
+    	}
+    	catch (NumberFormatException e) {
+    		return false;
+    	}
+    	
+    	return true;
+    }
+    
+    public boolean validateAppUIDText() {
+    	String string = text.getText().trim();
+    	if (!string.substring(0, HEX_PREFIX_LEN).equalsIgnoreCase(HEX_PREFIX))
+    		return false;
+
+    	String valueText = string.substring(HEX_PREFIX_LEN);
+    	
+    	long value = -1;
+    	try {
+    		value = Long.parseLong(valueText, 16);
+    	}
+    	catch (NumberFormatException e) {
+    		// drop through
+    	}
+    	
+   		return validateAppUIDValue(value);
+    }
+
+	private boolean validateAppUIDValue(long value) {
+		return (value >= minValue) && (value <= maxValue);		
+	}
+    
+	String getRandomAppUID() {
+		long value = Math.abs(random.nextLong());
+		value = (value % (maxValue - minValue)) + minValue;
+		Check.checkState(validateAppUIDValue(value));
+		return createCanonicalHexString(value);
+	}
+
+	public Text getTextControl() {
+		return text;
+	}
+
+	public String getMinText() {
+		return createCanonicalHexString(minValue);
+	}
+
+	public String getMaxText() {
+		return createCanonicalHexString(maxValue);
+	}
+	
+	public static String getWithout0x(String with0x) {
+		Check.checkContract(with0x.startsWith(HEX_PREFIX));
+		return with0x.substring(HEX_PREFIX.length());
+	}
+
+	@Override
+	public void setToolTipText(String string) {
+		super.setToolTipText(string);
+		text.setToolTipText(string);
+		button.setToolTipText(string);
+	}
+}
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