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/*
*(c) Copyright QNX Software Systems Ltd. 2002.
* All Rights Reserved.
*
*/
package org.eclipse.cdt.debug.mi.internal.ui;
import java.util.Observable;
import org.eclipse.cdt.debug.mi.core.IGDBServerMILaunchConfigurationConstants;
import org.eclipse.cdt.debug.mi.internal.ui.dialogfields.DialogField;
import org.eclipse.cdt.debug.mi.internal.ui.dialogfields.IDialogFieldListener;
import org.eclipse.cdt.debug.mi.internal.ui.dialogfields.LayoutUtil;
import org.eclipse.cdt.debug.mi.internal.ui.dialogfields.StringDialogField;
import org.eclipse.cdt.utils.ui.controls.ControlFactory;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
import org.eclipse.jface.resource.JFaceResources;
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.Shell;
/**
* Enter type comment.
*
* @since Nov 20, 2003
*/
public class TCPSettingsBlock extends Observable
{
private final static String DEFAULT_HOST_NAME = "localhost";
private final static String DEFAULT_PORT_NUMBER = "10000";
private Shell fShell;
private StringDialogField fHostNameField;
private StringDialogField fPortNumberField;
private Control fControl;
private String fErrorMessage = null;
public TCPSettingsBlock()
{
super();
fHostNameField = createHostNameField();
fPortNumberField = createPortNumberField();
}
public void createBlock( Composite parent )
{
fShell = parent.getShell();
Composite comp = ControlFactory.createCompositeEx( parent, 2, GridData.FILL_BOTH );
((GridLayout)comp.getLayout()).makeColumnsEqualWidth = false;
((GridLayout)comp.getLayout()).marginHeight = 0;
((GridLayout)comp.getLayout()).marginWidth = 0;
comp.setFont( JFaceResources.getDialogFont() );
PixelConverter converter = new PixelConverter( comp );
fHostNameField.doFillIntoGrid( comp, 2 );
LayoutUtil.setWidthHint( fHostNameField.getTextControl( null ), converter.convertWidthInCharsToPixels( 20 ) );
fPortNumberField.doFillIntoGrid( comp, 2 );
((GridData)fPortNumberField.getTextControl( null ).getLayoutData()).horizontalAlignment = GridData.BEGINNING;
LayoutUtil.setWidthHint( fPortNumberField.getTextControl( null ), converter.convertWidthInCharsToPixels( 10 ) );
setControl( comp );
}
protected Shell getShell()
{
return fShell;
}
public void dispose()
{
deleteObservers();
}
public void initializeFrom( ILaunchConfiguration configuration )
{
initializeHostName( configuration );
initializePortNumber( configuration );
}
public void setDefaults( ILaunchConfigurationWorkingCopy configuration )
{
configuration.setAttribute( IGDBServerMILaunchConfigurationConstants.ATTR_HOST, DEFAULT_HOST_NAME );
configuration.setAttribute( IGDBServerMILaunchConfigurationConstants.ATTR_PORT, DEFAULT_PORT_NUMBER );
}
public void performApply( ILaunchConfigurationWorkingCopy configuration )
{
if ( fHostNameField != null )
configuration.setAttribute( IGDBServerMILaunchConfigurationConstants.ATTR_HOST, fHostNameField.getText().trim() );
if ( fPortNumberField != null )
configuration.setAttribute( IGDBServerMILaunchConfigurationConstants.ATTR_PORT, fPortNumberField.getText().trim() );
}
private StringDialogField createHostNameField()
{
StringDialogField field = new StringDialogField();
field.setLabelText( "Host name or IP address: " );
field.setDialogFieldListener(
new IDialogFieldListener()
{
public void dialogFieldChanged( DialogField field )
{
hostNameFieldChanged();
}
} );
return field;
}
private StringDialogField createPortNumberField()
{
StringDialogField field = new StringDialogField();
field.setLabelText( "Port number: " );
field.setDialogFieldListener(
new IDialogFieldListener()
{
public void dialogFieldChanged( DialogField field )
{
portNumberFieldChanged();
}
} );
return field;
}
protected void hostNameFieldChanged()
{
updateErrorMessage();
setChanged();
notifyObservers();
}
protected void portNumberFieldChanged()
{
updateErrorMessage();
setChanged();
notifyObservers();
}
private void initializeHostName( ILaunchConfiguration configuration )
{
if ( fHostNameField != null )
{
try
{
fHostNameField.setText( configuration.getAttribute( IGDBServerMILaunchConfigurationConstants.ATTR_HOST, DEFAULT_HOST_NAME ) );
}
catch( CoreException e )
{
}
}
}
private void initializePortNumber( ILaunchConfiguration configuration )
{
if ( fPortNumberField != null )
{
try
{
fPortNumberField.setText( configuration.getAttribute( IGDBServerMILaunchConfigurationConstants.ATTR_PORT, DEFAULT_PORT_NUMBER ) );
}
catch( CoreException e )
{
}
}
}
public Control getControl()
{
return fControl;
}
protected void setControl( Control control )
{
fControl = control;
}
public boolean isValid( ILaunchConfiguration configuration )
{
updateErrorMessage();
return ( getErrorMessage() == null );
}
private void updateErrorMessage()
{
setErrorMessage( null );
if ( fHostNameField != null && fPortNumberField != null )
{
if ( fHostNameField.getText().trim().length() == 0 )
setErrorMessage( "Host name or IP address must be specified." );
else if ( !hostNameIsValid( fHostNameField.getText().trim() ) )
setErrorMessage( "Invalid host name or IP address." );
else if ( fPortNumberField.getText().trim().length() == 0 )
setErrorMessage( "Port number must be specified." );
else if ( !portNumberIsValid( fPortNumberField.getText().trim() ) )
setErrorMessage( "Invalid port number." );
}
}
public String getErrorMessage()
{
return fErrorMessage;
}
private void setErrorMessage( String string )
{
fErrorMessage = string;
}
private boolean hostNameIsValid( String hostName )
{
return true;
}
private boolean portNumberIsValid( String portNumber )
{
try
{
int port = Short.parseShort( portNumber );
if ( port < 0 )
return false;
}
catch( NumberFormatException e )
{
return false;
}
return true;
}
}
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