/*******************************************************************************
* Copyright (c) 2000, 2010 QNX Software Systems 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:
* QNX Software Systems - Initial API and implementation
*******************************************************************************/
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.layout.PixelConverter;
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;
public class TCPSettingsBlock extends Observable {
private final static String DEFAULT_HOST_NAME = "localhost"; //$NON-NLS-1$
private final static String DEFAULT_PORT_NUMBER = "10000"; //$NON-NLS-1$
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( parent.getFont() );
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( MIUIMessages.getString( "TCPSettingsBlock.0" ) ); //$NON-NLS-1$
field.setDialogFieldListener( new IDialogFieldListener() {
public void dialogFieldChanged( DialogField f ) {
hostNameFieldChanged();
}
} );
return field;
}
private StringDialogField createPortNumberField() {
StringDialogField field = new StringDialogField();
field.setLabelText( MIUIMessages.getString( "TCPSettingsBlock.1" ) ); //$NON-NLS-1$
field.setDialogFieldListener( new IDialogFieldListener() {
public void dialogFieldChanged( DialogField f ) {
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( MIUIMessages.getString( "TCPSettingsBlock.2" ) ); //$NON-NLS-1$
else if ( !hostNameIsValid( fHostNameField.getText().trim() ) )
setErrorMessage( MIUIMessages.getString( "TCPSettingsBlock.3" ) ); //$NON-NLS-1$
else if ( fPortNumberField.getText().trim().length() == 0 )
setErrorMessage( MIUIMessages.getString( "TCPSettingsBlock.4" ) ); //$NON-NLS-1$
else if ( !portNumberIsValid( fPortNumberField.getText().trim() ) )
setErrorMessage( MIUIMessages.getString( "TCPSettingsBlock.5" ) ); //$NON-NLS-1$
}
}
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 = Integer.parseInt( portNumber );
return ( port > 0 && port <= 0xFFFF );
}
catch( NumberFormatException e ) {
return false;
}
}
}