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/*******************************************************************************
* Copyright (c) 2001, 2008 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
*******************************************************************************/
// Based on version 1.6 of original xsdeditor
package org.eclipse.wst.xsd.ui.internal.wizards;
import java.util.regex.Pattern;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.osgi.util.TextProcessor;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.graphics.FontData;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.PlatformUI;
import org.eclipse.wst.xsd.ui.internal.editor.XSDEditorCSHelpIds;
import org.eclipse.wst.xsd.ui.internal.editor.XSDEditorPlugin;
import org.eclipse.wst.xsd.ui.internal.util.ViewUtility;
public class RegexTestingPage extends WizardPage
{
/* Validator from xerces package. */
// private RegularExpression validator;
/* Displays the status of the match. */
private Label matchLabel;
/* The regex. */
private Text value;
/* The string the user is trying to match against the regex. */
private StyledText testString;
public RegexTestingPage()
{
super(XSDEditorPlugin.getXSDString("_UI_REGEX_WIZARD_TESTING_PAGE_TITLE"));
setTitle(XSDEditorPlugin.getXSDString("_UI_REGEX_WIZARD_TESTING_PAGE_TITLE"));
setDescription(XSDEditorPlugin.getXSDString("_UI_REGEX_WIZARD_TESTING_PAGE_DESCRIPTION"));
}
public void createControl(Composite parent)
{
Composite composite = ViewUtility.createComposite(parent, 1);
PlatformUI.getWorkbench().getHelpSystem().setHelp(composite, XSDEditorCSHelpIds.REGEX_TEST_PAGE);
matchLabel = new Label(composite, SWT.WRAP);
matchLabel.setText(XSDEditorPlugin.getXSDString("_UI_REGEX_WIZARD_TESTING_PAGE_DESCRIPTION"));
FontData[] fontData = matchLabel.getFont().getFontData();
GridData dataF = new GridData();
dataF.widthHint = 400;
dataF.heightHint = 6 * fontData[0].getHeight();
matchLabel.setLayoutData(dataF);
Composite controls = new Composite(composite, SWT.NONE);
GridLayout controlsLayout = new GridLayout();
controlsLayout.numColumns = 2;
controls.setLayout(controlsLayout);
controls.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
new Label(controls, SWT.LEFT).setText(XSDEditorPlugin.getXSDString("_UI_REGEX_WIZARD_REGEX_LABEL"));
value = new Text(controls, SWT.BORDER | SWT.READ_ONLY);
value.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
new Label(controls, SWT.LEFT).setText(XSDEditorPlugin.getXSDString("_UI_REGEX_WIZARD_SAMPLE_TEXT"));
testString = new StyledText(controls, SWT.SINGLE | SWT.BORDER);
PlatformUI.getWorkbench().getHelpSystem().setHelp(testString, XSDEditorCSHelpIds.REGEX_SAMPLE_TEXT);
testString.addListener(SWT.Modify, new TestStringListener());
testString.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
controls.pack();
Label separator = new Label(composite, SWT.SEPARATOR | SWT.HORIZONTAL);
GC gc = new GC(separator);
Point pointSize = gc.stringExtent(XSDEditorPlugin.getXSDString("_UI_REGEX_WIZARD_TESTING_PAGE_DESCRIPTION"));
GridData gd = new GridData();
gd.widthHint = pointSize.x / 2 + gc.getAdvanceWidth('M')*11;
gd.horizontalAlignment= GridData.FILL;
separator.setLayoutData(gd);
composite.pack();
setControl(composite);
}
private String getPatternValue()
{
return ( (RegexCompositionPage)getPreviousPage() ).getPattern().getLexicalValue();
}
private String getFlags()
{
return ( (RegexCompositionPage)getPreviousPage() ).getFlags();
}
public void setVisible(boolean visible)
{
super.setVisible(visible);
getFlags();
value.setText(TextProcessor.process(getPatternValue()));
updateMatchStatus();
testString.setFocus();
}
class TestStringListener implements Listener
{
public void handleEvent(Event e)
{
updateMatchStatus();
}
}
private void updateMatchStatus()
{
if (Pattern.matches(getPatternValue(), testString.getText()))
{
// matchLabel.setText(XSDEditorPlugin.getXSDString("_UI_REGEX_WIZARD_MATCHES"));
setMessage(XSDEditorPlugin.getXSDString("_UI_REGEX_WIZARD_MATCHES"), 1);
}
else
{
setMessage(XSDEditorPlugin.getXSDString("_UI_REGEX_WIZARD_DOES_NOT_MATCH"), 2);
// matchLabel.setText(XSDEditorPlugin.getXSDString("_UI_REGEX_WIZARD_DOES_NOT_MATCH"));
}
}
}
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