/*******************************************************************************
* 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.List;
import org.eclipse.swt.SWT;
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.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IFolder;
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.ElementTreeSelectionDialog;
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.internal.corext.util.Messages;
import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
import org.eclipse.jdt.internal.ui.dialogs.StatusInfo;
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.LayoutUtil;
import org.eclipse.jdt.internal.ui.wizards.dialogfields.StringButtonDialogField;
public class ExclusionInclusionEntryDialog extends StatusDialog {
private StringButtonDialogField fExclusionPatternDialog;
private StatusInfo fExclusionPatternStatus;
private IContainer fCurrSourceFolder;
private String fExclusionPattern;
private List<String> fExistingPatterns;
private boolean fIsExclusion;
public ExclusionInclusionEntryDialog(Shell parent, boolean isExclusion, String patternToEdit, List<String> existingPatterns, CPListElement entryToEdit) {
super(parent);
fIsExclusion= isExclusion;
fExistingPatterns= existingPatterns;
String title, message;
if (isExclusion) {
if (patternToEdit == null) {
title= NewWizardMessages.ExclusionInclusionEntryDialog_exclude_add_title;
} else {
title= NewWizardMessages.ExclusionInclusionEntryDialog_exclude_edit_title;
}
message= Messages.format(NewWizardMessages.ExclusionInclusionEntryDialog_exclude_pattern_label, BasicElementLabels.getPathLabel(entryToEdit.getPath(), false));
} else {
if (patternToEdit == null) {
title= NewWizardMessages.ExclusionInclusionEntryDialog_include_add_title;
} else {
title= NewWizardMessages.ExclusionInclusionEntryDialog_include_edit_title;
}
message= Messages.format(NewWizardMessages.ExclusionInclusionEntryDialog_include_pattern_label, BasicElementLabels.getPathLabel(entryToEdit.getPath(), false));
}
setTitle(title);
if (patternToEdit != null) {
fExistingPatterns.remove(patternToEdit);
}
IWorkspaceRoot root= entryToEdit.getJavaProject().getProject().getWorkspace().getRoot();
IResource res= root.findMember(entryToEdit.getPath());
if (res instanceof IContainer) {
fCurrSourceFolder= (IContainer) res;
}
fExclusionPatternStatus= new StatusInfo();
ExclusionPatternAdapter adapter= new ExclusionPatternAdapter();
fExclusionPatternDialog= new StringButtonDialogField(adapter);
fExclusionPatternDialog.setLabelText(message);
fExclusionPatternDialog.setButtonLabel(NewWizardMessages.ExclusionInclusionEntryDialog_pattern_button);
fExclusionPatternDialog.setDialogFieldListener(adapter);
fExclusionPatternDialog.enableButton(fCurrSourceFolder != null);
if (patternToEdit == null) {
fExclusionPatternDialog.setText(""); //$NON-NLS-1$
} else {
fExclusionPatternDialog.setText(patternToEdit.toString());
}
}
@Override
protected Control createDialogArea(Composite parent) {
Composite composite= (Composite)super.createDialogArea(parent);
int widthHint= convertWidthInCharsToPixels(60);
Composite inner= new Composite(composite, SWT.NONE);
GridLayout layout= new GridLayout();
layout.marginHeight= 0;
layout.marginWidth= 0;
layout.numColumns= 2;
inner.setLayout(layout);
Label description= new Label(inner, SWT.WRAP);
if (fIsExclusion) {
description.setText(NewWizardMessages.ExclusionInclusionEntryDialog_exclude_description);
} else {
description.setText(NewWizardMessages.ExclusionInclusionEntryDialog_include_description);
}
GridData gd= new GridData();
gd.horizontalSpan= 2;
gd.widthHint= convertWidthInCharsToPixels(80);
description.setLayoutData(gd);
fExclusionPatternDialog.doFillIntoGrid(inner, 3);
LayoutUtil.setWidthHint(fExclusionPatternDialog.getLabelControl(null), widthHint);
LayoutUtil.setHorizontalSpan(fExclusionPatternDialog.getLabelControl(null), 2);
LayoutUtil.setWidthHint(fExclusionPatternDialog.getTextControl(null), widthHint);
LayoutUtil.setHorizontalGrabbing(fExclusionPatternDialog.getTextControl(null));
fExclusionPatternDialog.postSetFocusOnDialogField(parent.getDisplay());
applyDialogFont(composite);
return composite;
}
// -------- ExclusionPatternAdapter --------
private class ExclusionPatternAdapter implements IDialogFieldListener, IStringButtonAdapter {
// -------- IDialogFieldListener
public void dialogFieldChanged(DialogField field) {
doStatusLineUpdate();
}
public void changeControlPressed(DialogField field) {
doChangeControlPressed();
}
}
protected void doChangeControlPressed() {
IPath pattern= chooseExclusionPattern();
if (pattern != null) {
fExclusionPatternDialog.setText(pattern.toString());
}
}
protected void doStatusLineUpdate() {
checkIfPatternValid();
updateStatus(fExclusionPatternStatus);
}
protected void checkIfPatternValid() {
String pattern= fExclusionPatternDialog.getText().trim();
if (pattern.length() == 0) {
fExclusionPatternStatus.setError(NewWizardMessages.ExclusionInclusionEntryDialog_error_empty);
return;
}
IPath path= new Path(pattern);
if (path.isAbsolute() || path.getDevice() != null) {
fExclusionPatternStatus.setError(NewWizardMessages.ExclusionInclusionEntryDialog_error_notrelative);
return;
}
if (fExistingPatterns.contains(pattern)) {
fExclusionPatternStatus.setError(NewWizardMessages.ExclusionInclusionEntryDialog_error_exists);
return;
}
fExclusionPattern= pattern;
fExclusionPatternStatus.setOK();
}
public String getExclusionPattern() {
return fExclusionPattern;
}
/*
* @see org.eclipse.jface.window.Window#configureShell(Shell)
*/
@Override
protected void configureShell(Shell newShell) {
super.configureShell(newShell);
PlatformUI.getWorkbench().getHelpSystem().setHelp(newShell, IJavaHelpContextIds.EXCLUSION_PATTERN_DIALOG);
}
// ---------- util method ------------
private IPath chooseExclusionPattern() {
String title, message;
if (fIsExclusion) {
title= NewWizardMessages.ExclusionInclusionEntryDialog_ChooseExclusionPattern_title;
message= NewWizardMessages.ExclusionInclusionEntryDialog_ChooseExclusionPattern_description;
} else {
title= NewWizardMessages.ExclusionInclusionEntryDialog_ChooseInclusionPattern_title;
message= NewWizardMessages.ExclusionInclusionEntryDialog_ChooseInclusionPattern_description;
}
IPath initialPath= new Path(fExclusionPatternDialog.getText());
IPath[] res= chooseExclusionPattern(getShell(), fCurrSourceFolder, title, message, initialPath, false);
if (res == null) {
return null;
}
return res[0];
}
public static IPath[] chooseExclusionPattern(Shell shell, IContainer currentSourceFolder, String title, String message, IPath initialPath, boolean multiSelection) {
Class<?>[] acceptedClasses= new Class[] { IFolder.class, IFile.class };
ISelectionStatusValidator validator= new TypedElementSelectionValidator(acceptedClasses, multiSelection);
ViewerFilter filter= new TypedViewerFilter(acceptedClasses);
ILabelProvider lp= new WorkbenchLabelProvider();
ITreeContentProvider cp= new WorkbenchContentProvider();
IResource initialElement= null;
if (initialPath != null) {
IContainer curr= currentSourceFolder;
int nSegments= initialPath.segmentCount();
for (int i= 0; i < nSegments; i++) {
IResource elem= curr.findMember(initialPath.segment(i));
if (elem != null) {
initialElement= elem;
}
if (elem instanceof IContainer) {
curr= (IContainer) elem;
} else {
break;
}
}
}
ElementTreeSelectionDialog dialog= new ElementTreeSelectionDialog(shell, lp, cp);
dialog.setTitle(title);
dialog.setValidator(validator);
dialog.setMessage(message);
dialog.addFilter(filter);
dialog.setInput(currentSourceFolder);
dialog.setInitialSelection(initialElement);
dialog.setComparator(new ResourceComparator(ResourceComparator.NAME));
dialog.setHelpAvailable(false);
if (dialog.open() == Window.OK) {
Object[] objects= dialog.getResult();
int existingSegments= currentSourceFolder.getFullPath().segmentCount();
IPath[] resArr= new IPath[objects.length];
for (int i= 0; i < objects.length; i++) {
IResource currRes= (IResource) objects[i];
IPath path= currRes.getFullPath().removeFirstSegments(existingSegments).makeRelative();
if (currRes instanceof IContainer) {
path= path.addTrailingSeparator();
}
resArr[i]= path;
}
return resArr;
}
return null;
}
}