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/*******************************************************************************
* Copyright (c) 2004, 2006 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.internal.ui.dialogs.cpaths;
import java.lang.reflect.InvocationTargetException;
import org.eclipse.cdt.core.CProjectNature;
import org.eclipse.cdt.core.model.CModelException;
import org.eclipse.cdt.core.model.CoreModel;
import org.eclipse.cdt.core.model.ICElement;
import org.eclipse.cdt.core.resources.IPathEntryStore;
import org.eclipse.cdt.core.resources.IPathEntryStoreListener;
import org.eclipse.cdt.core.resources.PathEntryStoreChangedEvent;
import org.eclipse.cdt.internal.ui.dialogs.IStatusChangeListener;
import org.eclipse.cdt.internal.ui.dialogs.StatusUtil;
import org.eclipse.cdt.internal.ui.util.ExceptionHandler;
import org.eclipse.cdt.ui.CUIPlugin;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogSettings;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.actions.WorkspaceModifyDelegatingOperation;
import org.eclipse.ui.dialogs.PropertyPage;
public class IncludesSymbolsPropertyPage extends PropertyPage implements IStatusChangeListener, IPathEntryStoreListener {
private static final String PAGE_SETTINGS = "IncludeSysmbolsPropertyPage"; //$NON-NLS-1$
private static final String INDEX = "pageIndex"; //$NON-NLS-1$
NewIncludesSymbolsTabBlock fIncludesSymbolsBlock;
IPathEntryStore fStore;
/**
* @see PropertyPage#createContents
*/
protected Control createContents(Composite parent) {
IProject project = getProject();
Control result;
if (project == null || !isCProject(project)) {
result = createWithoutCProject(parent);
} else if (!project.isOpen()) {
result = createForClosedProject(parent);
} else {
try {
fStore = CoreModel.getPathEntryStore(getProject());
fStore.addPathEntryStoreListener(this);
} catch (CoreException e) {
}
result = createWithCProject(parent, project);
}
Dialog.applyDialogFont(result);
noDefaultAndApplyButton();
return result;
}
private IDialogSettings getSettings() {
IDialogSettings cSettings = CUIPlugin.getDefault().getDialogSettings();
IDialogSettings pageSettings = cSettings.getSection(PAGE_SETTINGS);
if (pageSettings == null) {
pageSettings = cSettings.addNewSection(PAGE_SETTINGS);
pageSettings.put(INDEX, 3);
}
return pageSettings;
}
/*
* Content for valid projects.
*/
private Control createWithCProject(Composite parent, IProject project) {
fIncludesSymbolsBlock = new NewIncludesSymbolsTabBlock(this, getSettings().getInt(INDEX));
fIncludesSymbolsBlock.init(getCElement(), null);
return fIncludesSymbolsBlock.createContents(parent);
}
/*
* Content for non-C projects.
*/
private Control createWithoutCProject(Composite parent) {
Label label = new Label(parent, SWT.LEFT);
label.setText(CPathEntryMessages.getString("CPathsPropertyPage.no_C_project.message")); //$NON-NLS-1$
fIncludesSymbolsBlock = null;
setValid(true);
return label;
}
/*
* Content for closed projects.
*/
private Control createForClosedProject(Composite parent) {
Label label = new Label(parent, SWT.LEFT);
label.setText(CPathEntryMessages.getString("CPathsPropertyPage.closed_project.message")); //$NON-NLS-1$
fIncludesSymbolsBlock = null;
setValid(true);
return label;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.dialogs.IDialogPage#dispose()
*/
public void dispose() {
if (fStore != null) {
fStore.removePathEntryStoreListener(this);
}
}
public void setVisible(boolean visible) {
if (fIncludesSymbolsBlock != null) {
if (!visible) {
if (fIncludesSymbolsBlock.hasChangesInDialog()) {
String title = CPathEntryMessages.getString("CPathsPropertyPage.unsavedchanges.title"); //$NON-NLS-1$
String message = CPathEntryMessages.getString("CPathsPropertyPage.unsavedchanges.message"); //$NON-NLS-1$
String[] buttonLabels = new String[]{
CPathEntryMessages.getString("CPathsPropertyPage.unsavedchanges.button.save"), //$NON-NLS-1$
CPathEntryMessages.getString("CPathsPropertyPage.unsavedchanges.button.discard"), //$NON-NLS-1$
};
MessageDialog dialog = new MessageDialog(getShell(), title, null, message, MessageDialog.QUESTION,
buttonLabels, 0);
int res = dialog.open();
if (res == 0) {
performOk();
} else if (res == 1) {
fIncludesSymbolsBlock.init(getCElement(), null);
}
}
} else {
if (!fIncludesSymbolsBlock.hasChangesInDialog() && fIncludesSymbolsBlock.hasChangesInCPathFile()) {
fIncludesSymbolsBlock.init(getCElement(), null);
}
}
}
super.setVisible(visible);
}
private IProject getProject() {
IAdaptable adaptable = getElement();
if (adaptable != null) {
IResource resource = (IResource)adaptable.getAdapter(IResource.class);
return resource.getProject();
}
return null;
}
protected ICElement getCElement() {
IAdaptable adaptable = getElement();
if (adaptable != null) {
ICElement elem = (ICElement)adaptable.getAdapter(ICElement.class);
return elem;
}
return null;
}
private boolean isCProject(IProject proj) {
try {
return proj.hasNature(CProjectNature.C_NATURE_ID);
} catch (CoreException e) {
CUIPlugin.getDefault().log(e);
}
return false;
}
/*
* @see IPreferencePage#performOk
*/
public boolean performOk() {
if (fIncludesSymbolsBlock != null) {
getSettings().put(INDEX, fIncludesSymbolsBlock.getPageIndex());
Shell shell = getControl().getShell();
IRunnableWithProgress runnable = new IRunnableWithProgress() {
public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
try {
fIncludesSymbolsBlock.configureCProject(monitor);
} catch (CoreException e) {
throw new InvocationTargetException(e);
}
}
};
IRunnableWithProgress op = new WorkspaceModifyDelegatingOperation(runnable);
try {
new ProgressMonitorDialog(shell).run(true, true, op);
} catch (InvocationTargetException e) {
String title = CPathEntryMessages.getString("CPathsPropertyPage.error.title"); //$NON-NLS-1$
String message = CPathEntryMessages.getString("CPathsPropertyPage.error.message"); //$NON-NLS-1$
ExceptionHandler.handle(e, shell, title, message);
return false;
} catch (InterruptedException e) {
// cancelled
return false;
}
}
return true;
}
/*
* (non-Javadoc)
*
* @see IStatusChangeListener#statusChanged
*/
public void statusChanged(IStatus status) {
setValid(!status.matches(IStatus.ERROR));
StatusUtil.applyToStatusLine(this, status);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.preference.IPreferencePage#performCancel()
*/
public boolean performCancel() {
if (fIncludesSymbolsBlock != null) {
getSettings().put(INDEX, fIncludesSymbolsBlock.getPageIndex());
}
return super.performCancel();
}
/*
* (non-Javadoc)
*
* @see org.eclipse.cdt.core.resources.IPathEntryStoreListener#pathEntryStoreChanged(org.eclipse.cdt.core.resources.PathEntryStoreChangedEvent)
*/
public void pathEntryStoreChanged(PathEntryStoreChangedEvent event) {
if (event.hasContentChanged()) {
Control control = getControl();
if (control != null && !control.isDisposed()) {
control.getDisplay().asyncExec(new Runnable() {
public void run() {
Control control = getControl();
if (control != null && !control.isDisposed()) {
try {
fIncludesSymbolsBlock.init(getCElement(), fIncludesSymbolsBlock.getRawCPath());
} catch (CModelException e) {
CUIPlugin.getDefault().log(e);
}
}
}
});
}
}
}
}
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