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https://github.com/eclipse-cdt/cdt
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Implementation of source locator.
This commit is contained in:
Mikhail Khodjaiants
parent
14d1b3cd6f
commit
e9d6f16904
2 changed files with 225 additions and 0 deletions
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@ -325,5 +325,13 @@
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id="org.eclipse.cdt.debug.internal.ui.editors.DebugTextHover">
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</textHover>
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</extension>
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<extension
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point="org.eclipse.debug.core.sourceLocators">
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<sourceLocator
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name="Prompting C/C++ Source Locator"
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class="org.eclipse.cdt.debug.ui.CUISourceLocator"
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id="org.eclipse.cdt.debug.ui.cSourceLocator">
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</sourceLocator>
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</extension>
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</plugin>
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@ -0,0 +1,217 @@
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/*
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*(c) Copyright QNX Software Systems Ltd. 2002.
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* All Rights Reserved.
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*
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*/
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package org.eclipse.cdt.debug.ui;
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import java.text.MessageFormat;
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import org.eclipse.cdt.debug.core.IStackFrameInfo;
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import org.eclipse.cdt.debug.core.sourcelookup.CSourceLocator;
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import org.eclipse.core.resources.IProject;
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import org.eclipse.core.runtime.CoreException;
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import org.eclipse.debug.core.DebugException;
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import org.eclipse.debug.core.ILaunchConfiguration;
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import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
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import org.eclipse.debug.core.model.IPersistableSourceLocator;
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import org.eclipse.debug.core.model.IStackFrame;
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import org.eclipse.jface.dialogs.Dialog;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.graphics.FontMetrics;
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import org.eclipse.swt.graphics.GC;
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import org.eclipse.swt.layout.GridData;
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import org.eclipse.swt.layout.GridLayout;
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import org.eclipse.swt.widgets.Button;
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import org.eclipse.swt.widgets.Composite;
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import org.eclipse.swt.widgets.Control;
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import org.eclipse.swt.widgets.Label;
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import org.eclipse.swt.widgets.Shell;
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/**
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*
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* A source locator that prompts the user to find source when source cannot
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* be found on the current source lookup path.
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*
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* @since Sep 24, 2002
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*/
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public class CUISourceLocator implements IPersistableSourceLocator
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{
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/**
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* Identifier for the 'Prompting C/C++ Source Locator' extension
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* (value <code>"org.eclipse.cdt.debug.ui.cSourceLocator"</code>).
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*/
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public static final String ID_PROMPTING_JAVA_SOURCE_LOCATOR = CDebugUIPlugin.getUniqueIdentifier() + ".cSourceLocator"; //$NON-NLS-1$
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/**
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* The project being debugged.
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*/
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private IProject fProject;
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/**
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* Underlying source locator.
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*/
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private CSourceLocator fSourceLocator;
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/**
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* Whether the user should be prompted for source.
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* Initially true, until the user checks the 'do not
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* ask again' box.
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*/
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private boolean fAllowedToAsk;
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/**
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* Constructor for CUISourceLocator.
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*/
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public CUISourceLocator( IProject project )
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{
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fProject = project;
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fSourceLocator = new CSourceLocator( project );
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fAllowedToAsk = true;
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}
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/* (non-Javadoc)
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* @see org.eclipse.debug.core.model.IPersistableSourceLocator#getMemento()
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*/
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public String getMemento() throws CoreException
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{
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return null;
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}
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/* (non-Javadoc)
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* @see org.eclipse.debug.core.model.IPersistableSourceLocator#initializeFromMemento(String)
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*/
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public void initializeFromMemento( String memento ) throws CoreException
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{
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}
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/* (non-Javadoc)
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* @see org.eclipse.debug.core.model.IPersistableSourceLocator#initializeDefaults(ILaunchConfiguration)
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*/
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public void initializeDefaults( ILaunchConfiguration configuration ) throws CoreException
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{
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}
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/* (non-Javadoc)
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* @see org.eclipse.debug.core.model.ISourceLocator#getSourceElement(IStackFrame)
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*/
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public Object getSourceElement( IStackFrame stackFrame )
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{
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Object res = fSourceLocator.getSourceElement( stackFrame );
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if ( res == null && fAllowedToAsk )
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{
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IStackFrameInfo frameInfo = (IStackFrameInfo)stackFrame.getAdapter( IStackFrameInfo.class );
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if ( frameInfo != null )
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{
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showDebugSourcePage( frameInfo.getFile(), stackFrame.getLaunch().getLaunchConfiguration() );
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res = fSourceLocator.getSourceElement( stackFrame );
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}
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}
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return res;
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}
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/**
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* Prompts to locate the source of the given type.
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*
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* @param frameInfo the frame information for which source
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* could not be located
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*/
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private void showDebugSourcePage( final String fileName, final ILaunchConfiguration lc )
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{
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Runnable prompter = new Runnable()
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{
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public void run()
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{
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SourceLookupDialog dialog = new SourceLookupDialog( CDebugUIPlugin.getActiveWorkbenchShell(), fileName, lc, CUISourceLocator.this );
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dialog.open();
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fAllowedToAsk = !dialog.isNotAskAgain();
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}
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};
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CDebugUIPlugin.getStandardDisplay().syncExec( prompter );
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}
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/**
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* Dialog that prompts for source lookup path.
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*/
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private static class SourceLookupDialog extends Dialog
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{
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private CUISourceLocator fLocator;
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private ILaunchConfiguration fConfiguration;
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private String fFileName;
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private boolean fNotAskAgain;
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private Button fAskAgainCheckBox;
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public SourceLookupDialog( Shell shell,
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String fileName,
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ILaunchConfiguration configuration,
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CUISourceLocator locator )
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{
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super( shell );
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fFileName = fileName;
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fNotAskAgain = false;
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fAskAgainCheckBox = null;
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fLocator = locator;
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fConfiguration = configuration;
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}
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public boolean isNotAskAgain()
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{
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return fNotAskAgain;
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}
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protected Control createDialogArea(Composite parent)
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{
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getShell().setText( "Debugger Source Lookup" );
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Composite composite = (Composite)super.createDialogArea( parent );
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composite.setLayout( new GridLayout() );
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Label message = new Label( composite, SWT.LEFT + SWT.WRAP );
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message.setText( MessageFormat.format( "The source could not be shown as the file ''{0}'' was not found.", new String[] { fFileName } ) );
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GridData data = new GridData();
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data.widthHint = convertWidthInCharsToPixels( message, 70 );
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message.setLayoutData( data );
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fAskAgainCheckBox = new Button( composite, SWT.CHECK + SWT.WRAP );
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data = new GridData();
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data.widthHint = convertWidthInCharsToPixels( fAskAgainCheckBox, 70 );
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fAskAgainCheckBox.setLayoutData(data);
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fAskAgainCheckBox.setText( "Do ¬ ask again" );
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return composite;
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}
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/**
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* @see Dialog#convertWidthInCharsToPixels(FontMetrics, int)
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*/
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protected int convertWidthInCharsToPixels( Control control, int chars )
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{
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GC gc = new GC( control );
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gc.setFont( control.getFont() );
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FontMetrics fontMetrics = gc.getFontMetrics();
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gc.dispose();
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return Dialog.convertWidthInCharsToPixels( fontMetrics, chars );
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}
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protected void okPressed()
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{
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try
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{
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if ( fAskAgainCheckBox != null )
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{
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fNotAskAgain = fAskAgainCheckBox.getSelection();
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}
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ILaunchConfigurationWorkingCopy wc = fConfiguration.getWorkingCopy();
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if ( !fConfiguration.contentsEqual( wc ) )
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{
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fConfiguration = wc.doSave();
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fLocator.initializeDefaults( fConfiguration );
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}
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}
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catch( CoreException e )
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{
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CDebugUIPlugin.log( e );
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}
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super.okPressed();
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}
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}
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}
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