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/**********************************************************************
* Copyright (c) 2004 QNX Software Systems and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* QNX Software Systems - Initial API and implementation
***********************************************************************/
package org.eclipse.cdt.debug.internal.ui.preferences;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.eclipse.cdt.debug.core.CDebugCorePlugin;
import org.eclipse.cdt.debug.internal.ui.ICDebugHelpContextIds;
import org.eclipse.cdt.debug.internal.ui.sourcelookup.AddContainerAction;
import org.eclipse.cdt.debug.internal.ui.sourcelookup.DownAction;
import org.eclipse.cdt.debug.internal.ui.sourcelookup.EditContainerAction;
import org.eclipse.cdt.debug.internal.ui.sourcelookup.RemoveAction;
import org.eclipse.cdt.debug.internal.ui.sourcelookup.SourceContainerAction;
import org.eclipse.cdt.debug.internal.ui.sourcelookup.SourceContainerViewer;
import org.eclipse.cdt.debug.internal.ui.sourcelookup.UpAction;
import org.eclipse.debug.core.sourcelookup.ISourceContainer;
import org.eclipse.debug.core.sourcelookup.ISourceLookupDirector;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.FontMetrics;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
/**
* The "Source Lookup Path" preference page.
*/
public class SourcePreferencePage extends PreferencePage implements IWorkbenchPreferencePage {
private SourceContainerViewer fPathViewer;
private List fActions = new ArrayList(6);
private IWorkbench fWorkbench;
private AddContainerAction fAddAction;
private EditContainerAction fEditAction;
/* (non-Javadoc)
* @see org.eclipse.jface.preference.PreferencePage#createContents(org.eclipse.swt.widgets.Composite)
*/
protected Control createContents( Composite parent ) {
Font font = parent.getFont();
Composite comp = new Composite( parent, SWT.NONE );
GridLayout topLayout = new GridLayout();
topLayout.numColumns = 2;
comp.setLayout( topLayout );
GridData gd = new GridData( GridData.FILL_BOTH );
comp.setLayoutData( gd );
Label viewerLabel = new Label( comp, SWT.LEFT );
viewerLabel.setText( PreferenceMessages.getString( "SourcePreferencePage.0" ) ); //$NON-NLS-1$
gd = new GridData( GridData.HORIZONTAL_ALIGN_FILL );
gd.horizontalSpan = 2;
viewerLabel.setLayoutData( gd );
viewerLabel.setFont( font );
fPathViewer = new SourceContainerViewer( comp );
gd = new GridData( GridData.FILL_BOTH );
fPathViewer.getControl().setLayoutData( gd );
fPathViewer.getControl().setFont( font );
Composite pathButtonComp = new Composite( comp, SWT.NONE );
GridLayout pathButtonLayout = new GridLayout();
pathButtonLayout.marginHeight = 0;
pathButtonLayout.marginWidth = 0;
pathButtonComp.setLayout( pathButtonLayout );
gd = new GridData( GridData.VERTICAL_ALIGN_BEGINNING | GridData.HORIZONTAL_ALIGN_FILL );
pathButtonComp.setLayoutData( gd );
pathButtonComp.setFont( font );
createVerticalSpacer( comp, 2 );
GC gc = new GC( parent );
gc.setFont( parent.getFont() );
FontMetrics fontMetrics = gc.getFontMetrics();
gc.dispose();
fAddAction = new AddContainerAction();
Button button = createPushButton( pathButtonComp, fAddAction.getText(), fontMetrics );
fAddAction.setButton( button );
addAction( fAddAction );
fEditAction = new EditContainerAction();
button = createPushButton( pathButtonComp, fEditAction.getText(), fontMetrics );
fEditAction.setButton( button );
addAction( fEditAction );
SourceContainerAction action = new RemoveAction();
button = createPushButton( pathButtonComp, action.getText(), fontMetrics );
action.setButton( button );
addAction( action );
action = new UpAction();
button = createPushButton( pathButtonComp, action.getText(), fontMetrics );
action.setButton( button );
addAction( action );
action = new DownAction();
button = createPushButton( pathButtonComp, action.getText(), fontMetrics );
action.setButton( button );
addAction( action );
retargetActions( fPathViewer );
Dialog.applyDialogFont( comp );
getWorkbench().getHelpSystem().setHelp( comp, ICDebugHelpContextIds.SOURCE_PREFERENCE_PAGE );
initialize();
return comp;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ui.IWorkbenchPreferencePage#init(org.eclipse.ui.IWorkbench)
*/
public void init( IWorkbench workbench ) {
fWorkbench = workbench;
}
private Button createPushButton( Composite parent, String label, FontMetrics fontMetrics ) {
Button button = new Button( parent, SWT.PUSH );
button.setFont( parent.getFont() );
button.setText( label );
GridData gd = getButtonGridData( button, fontMetrics );
button.setLayoutData( gd );
return button;
}
private GridData getButtonGridData( Button button, FontMetrics fontMetrics ) {
GridData gd = new GridData( GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_BEGINNING );
int widthHint = Dialog.convertHorizontalDLUsToPixels( fontMetrics, IDialogConstants.BUTTON_WIDTH );
gd.widthHint = Math.max( widthHint, button.computeSize( SWT.DEFAULT, SWT.DEFAULT, true ).x );
return gd;
}
private IWorkbench getWorkbench() {
return fWorkbench;
}
private void addAction( SourceContainerAction action ) {
fActions.add( action );
}
private void retargetActions( SourceContainerViewer viewer ) {
Iterator actions = fActions.iterator();
while( actions.hasNext() ) {
SourceContainerAction action = (SourceContainerAction)actions.next();
action.setViewer( viewer );
}
}
private void createVerticalSpacer( Composite comp, int colSpan ) {
Label label = new Label( comp, SWT.NONE );
GridData gd = new GridData();
gd.horizontalSpan = colSpan;
label.setLayoutData( gd );
}
private void initialize() {
ISourceLookupDirector director = CDebugCorePlugin.getDefault().getCommonSourceLookupDirector();
fPathViewer.setEntries( director.getSourceContainers() );
fAddAction.setSourceLookupDirector( director );
fEditAction.setSourceLookupDirector( director );
}
/* (non-Javadoc)
* @see org.eclipse.jface.preference.PreferencePage#performDefaults()
*/
protected void performDefaults() {
fPathViewer.setEntries( new ISourceContainer[0] );
super.performDefaults();
}
/* (non-Javadoc)
* @see org.eclipse.jface.preference.PreferencePage#performOk()
*/
public boolean performOk() {
CDebugCorePlugin.getDefault().getCommonSourceLookupDirector().setSourceContainers( fPathViewer.getEntries() );
CDebugCorePlugin.getDefault().savePluginPreferences();
return true;
}
}
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