/*******************************************************************************
* Copyright (c) 2000, 2011 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.internal.ui.wizards.buildpaths;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.swt.SWT;
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.Shell;
import org.eclipse.swt.widgets.Text;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.jface.dialogs.StatusDialog;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.ViewerFilter;
import org.eclipse.jface.window.Window;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.dialogs.ISelectionStatusValidator;
import org.eclipse.ui.model.WorkbenchContentProvider;
import org.eclipse.ui.model.WorkbenchLabelProvider;
import org.eclipse.ui.views.navigator.ResourceComparator;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.internal.corext.buildpath.CPJavaProject;
import org.eclipse.jdt.internal.corext.buildpath.ClasspathModifier;
import org.eclipse.jdt.internal.corext.util.Messages;
import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
import org.eclipse.jdt.internal.ui.JavaPlugin;
import org.eclipse.jdt.internal.ui.dialogs.StatusInfo;
import org.eclipse.jdt.internal.ui.util.SWTUtil;
import org.eclipse.jdt.internal.ui.viewsupport.BasicElementLabels;
import org.eclipse.jdt.internal.ui.wizards.NewWizardMessages;
import org.eclipse.jdt.internal.ui.wizards.TypedElementSelectionValidator;
import org.eclipse.jdt.internal.ui.wizards.TypedViewerFilter;
import org.eclipse.jdt.internal.ui.wizards.dialogfields.DialogField;
import org.eclipse.jdt.internal.ui.wizards.dialogfields.IDialogFieldListener;
import org.eclipse.jdt.internal.ui.wizards.dialogfields.IStringButtonAdapter;
import org.eclipse.jdt.internal.ui.wizards.dialogfields.SelectionButtonDialogField;
import org.eclipse.jdt.internal.ui.wizards.dialogfields.StringButtonDialogField;
public class OutputLocationDialog extends StatusDialog {
private StringButtonDialogField fContainerDialogField;
private SelectionButtonDialogField fUseDefault;
private SelectionButtonDialogField fUseSpecific;
private IStatus fContainerFieldStatus;
private IPath fOutputLocation;
private final IProject fCurrProject;
private final CPListElement fEntryToEdit;
private final boolean fAllowInvalidClasspath;
private CPJavaProject fCPJavaProject;
public OutputLocationDialog(Shell parent, CPListElement entryToEdit, List<CPListElement> classPathList, IPath defaultOutputFolder, boolean allowInvalidClasspath) {
super(parent);
fEntryToEdit= entryToEdit;
fAllowInvalidClasspath= allowInvalidClasspath;
setTitle(NewWizardMessages.OutputLocationDialog_title);
fContainerFieldStatus= new StatusInfo();
OutputLocationAdapter adapter= new OutputLocationAdapter();
fUseDefault= new SelectionButtonDialogField(SWT.RADIO);
fUseDefault.setLabelText(Messages.format(NewWizardMessages.OutputLocationDialog_usedefault_label, BasicElementLabels.getPathLabel(defaultOutputFolder, false)));
fUseDefault.setDialogFieldListener(adapter);
String label= Messages.format(NewWizardMessages.OutputLocationDialog_usespecific_label, BasicElementLabels.getResourceName(entryToEdit.getPath().segment(0)));
fUseSpecific= new SelectionButtonDialogField(SWT.RADIO);
fUseSpecific.setLabelText(label);
fUseSpecific.setDialogFieldListener(adapter);
fContainerDialogField= new StringButtonDialogField(adapter);
fContainerDialogField.setButtonLabel(NewWizardMessages.OutputLocationDialog_location_button);
fContainerDialogField.setDialogFieldListener(adapter);
fUseSpecific.attachDialogField(fContainerDialogField);
IJavaProject javaProject= entryToEdit.getJavaProject();
fCurrProject= javaProject.getProject();
fCPJavaProject= new CPJavaProject(javaProject, classPathList, defaultOutputFolder);
IPath outputLocation= (IPath) entryToEdit.getAttribute(CPListElement.OUTPUT);
if (outputLocation == null) {
fUseDefault.setSelection(true);
} else {
fUseSpecific.setSelection(true);
fContainerDialogField.setText(outputLocation.removeFirstSegments(1).makeRelative().toString());
}
}
@Override
protected Control createDialogArea(Composite parent) {
Composite composite= (Composite)super.createDialogArea(parent);
int widthHint= convertWidthInCharsToPixels(70);
int indent= convertWidthInCharsToPixels(4);
Composite inner= new Composite(composite, SWT.NONE);
GridLayout layout= new GridLayout();
layout.marginHeight= 0;
layout.marginWidth= 0;
layout.numColumns= 2;
inner.setLayout(layout);
fUseDefault.doFillIntoGrid(inner, 2);
fUseSpecific.doFillIntoGrid(inner, 2);
Text textControl= fContainerDialogField.getTextControl(inner);
GridData textData= new GridData();
textData.widthHint= widthHint;
textData.grabExcessHorizontalSpace= true;
textData.horizontalIndent= indent;
textControl.setLayoutData(textData);
Button buttonControl= fContainerDialogField.getChangeControl(inner);
GridData buttonData= new GridData();
buttonData.widthHint= SWTUtil.getButtonWidthHint(buttonControl);
buttonControl.setLayoutData(buttonData);
applyDialogFont(composite);
return composite;
}
// -------- OutputLocationAdapter --------
private class OutputLocationAdapter implements IDialogFieldListener, IStringButtonAdapter {
// -------- IDialogFieldListener
public void dialogFieldChanged(DialogField field) {
doStatusLineUpdate();
}
public void changeControlPressed(DialogField field) {
doChangeControlPressed();
}
}
protected void doChangeControlPressed() {
IContainer container= chooseOutputLocation();
if (container != null) {
fContainerDialogField.setText(container.getProjectRelativePath().toString());
}
}
protected void doStatusLineUpdate() {
checkIfPathValid();
updateStatus(fContainerFieldStatus);
}
protected void checkIfPathValid() {
fOutputLocation= null;
fContainerFieldStatus= StatusInfo.OK_STATUS;
if (fUseDefault.isSelected()) {
return;
}
String pathStr= fContainerDialogField.getText();
if (pathStr.length() == 0) {
fContainerFieldStatus= new StatusInfo(IStatus.ERROR, ""); //$NON-NLS-1$
return;
}
IPath projectPath= fCPJavaProject.getJavaProject().getProject().getFullPath();
IPath outputPath= projectPath.append(pathStr);
try {
fContainerFieldStatus= ClasspathModifier.checkSetOutputLocationPrecondition(fEntryToEdit, outputPath, fAllowInvalidClasspath, fCPJavaProject);
if (fContainerFieldStatus.getSeverity() != IStatus.ERROR) {
fOutputLocation= outputPath;
}
} catch (CoreException e) {
JavaPlugin.log(e);
}
}
public IPath getOutputLocation() {
return fOutputLocation;
}
/*
* @see org.eclipse.jface.window.Window#configureShell(Shell)
*/
@Override
protected void configureShell(Shell newShell) {
super.configureShell(newShell);
PlatformUI.getWorkbench().getHelpSystem().setHelp(newShell, IJavaHelpContextIds.OUTPUT_LOCATION_DIALOG);
}
// ---------- util method ------------
private IContainer chooseOutputLocation() {
IWorkspaceRoot root= fCurrProject.getWorkspace().getRoot();
final Class<?>[] acceptedClasses= new Class[] { IProject.class, IFolder.class };
IProject[] allProjects= root.getProjects();
ArrayList<IProject> rejectedElements= new ArrayList<IProject>(allProjects.length);
for (int i= 0; i < allProjects.length; i++) {
if (!allProjects[i].equals(fCurrProject)) {
rejectedElements.add(allProjects[i]);
}
}
ViewerFilter filter= new TypedViewerFilter(acceptedClasses, rejectedElements.toArray());
ILabelProvider lp= new WorkbenchLabelProvider();
ITreeContentProvider cp= new WorkbenchContentProvider();
IResource initSelection= null;
if (fOutputLocation != null) {
initSelection= root.findMember(fOutputLocation);
}
FolderSelectionDialog dialog= new FolderSelectionDialog(getShell(), lp, cp);
dialog.setTitle(NewWizardMessages.OutputLocationDialog_ChooseOutputFolder_title);
dialog.setValidator(new ISelectionStatusValidator() {
ISelectionStatusValidator validator= new TypedElementSelectionValidator(acceptedClasses, false);
public IStatus validate(Object[] selection) {
IStatus typedStatus= validator.validate(selection);
if (!typedStatus.isOK())
return typedStatus;
if (selection[0] instanceof IFolder) {
IFolder folder= (IFolder) selection[0];
try {
IStatus result= ClasspathModifier.checkSetOutputLocationPrecondition(fEntryToEdit, folder.getFullPath(), fAllowInvalidClasspath, fCPJavaProject);
if (result.getSeverity() == IStatus.ERROR)
return result;
} catch (CoreException e) {
JavaPlugin.log(e);
}
return new StatusInfo();
} else {
return new StatusInfo(IStatus.ERROR, ""); //$NON-NLS-1$
}
}
});
dialog.setMessage(NewWizardMessages.OutputLocationDialog_ChooseOutputFolder_description);
dialog.addFilter(filter);
dialog.setInput(root);
dialog.setInitialSelection(initSelection);
dialog.setComparator(new ResourceComparator(ResourceComparator.NAME));
if (dialog.open() == Window.OK) {
return (IContainer)dialog.getFirstResult();
}
return null;
}
}