/*******************************************************************************
* Copyright (c) 2004, 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.internal.ui.preferences;
import java.util.ArrayList;
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<SourceContainerAction> fActions = new ArrayList<SourceContainerAction>(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) {
for (SourceContainerAction action : fActions) {
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;
}
}