/*******************************************************************************
* Copyright (c) 2000, 2008 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.HashMap;
import java.util.List;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.GC;
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.jface.dialogs.MessageDialog;
import org.eclipse.jface.dialogs.StatusDialog;
import org.eclipse.jface.viewers.ColumnLayoutData;
import org.eclipse.jface.viewers.ColumnPixelData;
import org.eclipse.jface.viewers.ColumnWeightData;
import org.eclipse.jface.window.Window;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.forms.events.HyperlinkAdapter;
import org.eclipse.ui.forms.events.HyperlinkEvent;
import org.eclipse.ui.forms.widgets.FormText;
import org.eclipse.ui.forms.widgets.FormToolkit;
import org.eclipse.ui.preferences.IWorkbenchPreferenceContainer;
import org.eclipse.jdt.core.IAccessRule;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.internal.corext.util.Messages;
import org.eclipse.jdt.ui.JavaElementLabels;
import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
import org.eclipse.jdt.internal.ui.JavaPlugin;
import org.eclipse.jdt.internal.ui.preferences.ProblemSeveritiesPreferencePage;
import org.eclipse.jdt.internal.ui.viewsupport.BasicElementLabels;
import org.eclipse.jdt.internal.ui.wizards.NewWizardMessages;
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.IListAdapter;
import org.eclipse.jdt.internal.ui.wizards.dialogfields.LayoutUtil;
import org.eclipse.jdt.internal.ui.wizards.dialogfields.ListDialogField;
import org.eclipse.jdt.internal.ui.wizards.dialogfields.SelectionButtonDialogField;
public class AccessRulesDialog extends StatusDialog {
public static final int SWITCH_PAGE= 10;
private final ListDialogField fAccessRulesList;
private final SelectionButtonDialogField fCombineRulesCheckbox;
private final CPListElement fCurrElement;
private final IJavaProject fProject;
private final boolean fParentCanSwitchPage;
private static final int IDX_ADD= 0;
private static final int IDX_EDIT= 1;
private static final int IDX_UP= 3;
private static final int IDX_DOWN= 4;
private static final int IDX_REMOVE= 6;
public AccessRulesDialog(Shell parent, CPListElement entryToEdit, IJavaProject project, boolean parentCanSwitchPage) {
super(parent);
fCurrElement= entryToEdit;
fProject= project; // can be null
setTitle(NewWizardMessages.AccessRulesDialog_title);
fAccessRulesList= createListContents(entryToEdit);
fCombineRulesCheckbox= new SelectionButtonDialogField(SWT.CHECK);
fCombineRulesCheckbox.setLabelText(NewWizardMessages.AccessRulesDialog_combine_label);
fCombineRulesCheckbox.setSelection(Boolean.TRUE.equals(entryToEdit.getAttribute(CPListElement.COMBINE_ACCESSRULES)));
fParentCanSwitchPage= parentCanSwitchPage;
}
/*
* @see org.eclipse.jface.dialogs.Dialog#isResizable()
* @since 3.4
*/
protected boolean isResizable() {
return true;
}
private ListDialogField createListContents(CPListElement entryToEdit) {
String label= NewWizardMessages.AccessRulesDialog_rules_label;
String[] buttonLabels= new String[] {
NewWizardMessages.AccessRulesDialog_rules_add,
NewWizardMessages.AccessRulesDialog_rules_edit,
null,
NewWizardMessages.AccessRulesDialog_rules_up,
NewWizardMessages.AccessRulesDialog_rules_down,
null,
NewWizardMessages.AccessRulesDialog_rules_remove
};
TypeRestrictionAdapter adapter= new TypeRestrictionAdapter();
AccessRulesLabelProvider labelProvider= new AccessRulesLabelProvider();
ListDialogField patternList= new ListDialogField(adapter, buttonLabels, labelProvider);
patternList.setDialogFieldListener(adapter);
patternList.setLabelText(label);
patternList.setRemoveButtonIndex(IDX_REMOVE);
patternList.setUpButtonIndex(IDX_UP);
patternList.setDownButtonIndex(IDX_DOWN);
patternList.enableButton(IDX_EDIT, false);
IAccessRule[] rules= (IAccessRule[]) entryToEdit.getAttribute(CPListElement.ACCESSRULES);
ArrayList elements= new ArrayList(rules.length);
for (int i= 0; i < rules.length; i++) {
elements.add(rules[i]);
}
patternList.setElements(elements);
patternList.selectFirstElement();
return patternList;
}
protected Control createDialogArea(Composite parent) {
Composite composite= (Composite) super.createDialogArea(parent);
int maxLabelSize= 0;
GC gc= new GC(composite);
try {
maxLabelSize= gc.textExtent(AccessRulesLabelProvider.getResolutionLabel(IAccessRule.K_ACCESSIBLE)).x;
int len2= gc.textExtent(AccessRulesLabelProvider.getResolutionLabel(IAccessRule.K_DISCOURAGED)).x;
if (len2 > maxLabelSize) {
maxLabelSize= len2;
}
int len3= gc.textExtent(AccessRulesLabelProvider.getResolutionLabel(IAccessRule.K_NON_ACCESSIBLE)).x;
if (len3 > maxLabelSize) {
maxLabelSize= len3;
}
} finally {
gc.dispose();
}
ColumnLayoutData[] columnDta= new ColumnLayoutData[] {
new ColumnPixelData(maxLabelSize + 40),
new ColumnWeightData(1),
};
fAccessRulesList.setTableColumns(new ListDialogField.ColumnsDescription(columnDta, null, false));
Composite inner= new Composite(composite, SWT.NONE);
inner.setFont(composite.getFont());
GridLayout layout= new GridLayout();
layout.marginHeight= 0;
layout.marginWidth= 0;
layout.numColumns= 2;
inner.setLayout(layout);
inner.setLayoutData(new GridData(GridData.FILL_BOTH));
Label description= new Label(inner, SWT.WRAP);
description.setText(getDescriptionString());
GridData data= new GridData(SWT.FILL, SWT.CENTER, false, false, 2, 1);
data.widthHint= convertWidthInCharsToPixels(70);
description.setLayoutData(data);
fAccessRulesList.doFillIntoGrid(inner, 3);
LayoutUtil.setHorizontalSpan(fAccessRulesList.getLabelControl(null), 2);
data= (GridData) fAccessRulesList.getListControl(null).getLayoutData();
data.grabExcessHorizontalSpace= true;
data.heightHint= SWT.DEFAULT;
if (fCurrElement.getEntryKind() == IClasspathEntry.CPE_PROJECT) {
fCombineRulesCheckbox.doFillIntoGrid(inner, 2);
}
if (fProject != null) {
String forbiddenSeverity= fProject.getOption(JavaCore.COMPILER_PB_FORBIDDEN_REFERENCE, true);
String discouragedSeverity= fProject.getOption(JavaCore.COMPILER_PB_DISCOURAGED_REFERENCE, true);
String[] args= { getLocalizedString(discouragedSeverity), getLocalizedString(forbiddenSeverity) };
FormToolkit toolkit= new FormToolkit(parent.getDisplay());
toolkit.setBackground(null);
try {
FormText text = toolkit.createFormText(composite, true);
text.setFont(inner.getFont());
if (fParentCanSwitchPage) {
// with link
text.setText(Messages.format(NewWizardMessages.AccessRulesDialog_severity_info_with_link, args), true, false);
text.addHyperlinkListener(new HyperlinkAdapter() {
public void linkActivated(HyperlinkEvent e) {
doErrorWarningLinkPressed();
}
});
} else {
// no link
text.setText(Messages.format(NewWizardMessages.AccessRulesDialog_severity_info_no_link, args), true, false);
}
data= new GridData(SWT.FILL, SWT.CENTER, false, false, 2, 1);
data.widthHint= convertWidthInCharsToPixels(70);
text.setLayoutData(data);
} catch (IllegalArgumentException e) {
JavaPlugin.log(e); // invalid string
} finally {
toolkit.dispose();
}
}
applyDialogFont(composite);
return composite;
}
final void doErrorWarningLinkPressed() {
if (fParentCanSwitchPage && MessageDialog.openQuestion(getShell(), NewWizardMessages.AccessRulesDialog_switch_dialog_title, NewWizardMessages.AccessRulesDialog_switch_dialog_message)) {
setReturnCode(SWITCH_PAGE);
close();
}
}
private String getLocalizedString(String severity) {
if (JavaCore.ERROR.equals(severity)) {
return NewWizardMessages.AccessRulesDialog_severity_error;
} else if (JavaCore.WARNING.equals(severity)) {
return NewWizardMessages.AccessRulesDialog_severity_warning;
} else {
return NewWizardMessages.AccessRulesDialog_severity_ignore;
}
}
private String getDescriptionString() {
String desc;
String name= BasicElementLabels.getResourceName(fCurrElement.getPath().lastSegment());
switch (fCurrElement.getEntryKind()) {
case IClasspathEntry.CPE_CONTAINER:
try {
name= JavaElementLabels.getContainerEntryLabel(fCurrElement.getPath(), fCurrElement.getJavaProject());
} catch (JavaModelException e) {
}
desc= NewWizardMessages.AccessRulesDialog_container_description;
break;
case IClasspathEntry.CPE_PROJECT:
desc= NewWizardMessages.AccessRulesDialog_project_description;
break;
default:
desc= NewWizardMessages.AccessRulesDialog_description;
}
return Messages.format(desc, name);
}
protected void doCustomButtonPressed(ListDialogField field, int index) {
if (index == IDX_ADD) {
addEntry(field);
} else if (index == IDX_EDIT) {
editEntry(field);
}
}
protected void doDoubleClicked(ListDialogField field) {
editEntry(field);
}
protected void doSelectionChanged(ListDialogField field) {
List selected= field.getSelectedElements();
field.enableButton(IDX_EDIT, canEdit(selected));
}
private boolean canEdit(List selected) {
return selected.size() == 1;
}
private void editEntry(ListDialogField field) {
List selElements= field.getSelectedElements();
if (selElements.size() != 1) {
return;
}
IAccessRule rule= (IAccessRule) selElements.get(0);
AccessRuleEntryDialog dialog= new AccessRuleEntryDialog(getShell(), rule, fCurrElement);
if (dialog.open() == Window.OK) {
field.replaceElement(rule, dialog.getRule());
}
}
private void addEntry(ListDialogField field) {
AccessRuleEntryDialog dialog= new AccessRuleEntryDialog(getShell(), null, fCurrElement);
if (dialog.open() == Window.OK) {
field.addElement(dialog.getRule());
}
}
// -------- TypeRestrictionAdapter --------
private class TypeRestrictionAdapter implements IListAdapter, IDialogFieldListener {
/**
* @see org.eclipse.jdt.internal.ui.wizards.dialogfields.IListAdapter#customButtonPressed(org.eclipse.jdt.internal.ui.wizards.dialogfields.ListDialogField, int)
*/
public void customButtonPressed(ListDialogField field, int index) {
doCustomButtonPressed(field, index);
}
/**
* @see org.eclipse.jdt.internal.ui.wizards.dialogfields.IListAdapter#selectionChanged(org.eclipse.jdt.internal.ui.wizards.dialogfields.ListDialogField)
*/
public void selectionChanged(ListDialogField field) {
doSelectionChanged(field);
}
/**
* @see org.eclipse.jdt.internal.ui.wizards.dialogfields.IListAdapter#doubleClicked(org.eclipse.jdt.internal.ui.wizards.dialogfields.ListDialogField)
*/
public void doubleClicked(ListDialogField field) {
doDoubleClicked(field);
}
/**
* @see org.eclipse.jdt.internal.ui.wizards.dialogfields.IDialogFieldListener#dialogFieldChanged(org.eclipse.jdt.internal.ui.wizards.dialogfields.DialogField)
*/
public void dialogFieldChanged(DialogField field) {
}
}
protected void doStatusLineUpdate() {
}
protected void checkIfPatternValid() {
}
public IAccessRule[] getAccessRules() {
List elements= fAccessRulesList.getElements();
return (IAccessRule[]) elements.toArray(new IAccessRule[elements.size()]);
}
public boolean doCombineAccessRules() {
return fCombineRulesCheckbox.isSelected();
}
/*
* @see org.eclipse.jface.window.Window#configureShell(Shell)
*/
protected void configureShell(Shell newShell) {
super.configureShell(newShell);
PlatformUI.getWorkbench().getHelpSystem().setHelp(newShell, IJavaHelpContextIds.ACCESS_RULES_DIALOG);
}
public void performPageSwitch(IWorkbenchPreferenceContainer pageContainer) {
HashMap data= new HashMap();
data.put(ProblemSeveritiesPreferencePage.DATA_SELECT_OPTION_KEY, JavaCore.COMPILER_PB_FORBIDDEN_REFERENCE);
data.put(ProblemSeveritiesPreferencePage.DATA_SELECT_OPTION_QUALIFIER, JavaCore.PLUGIN_ID);
pageContainer.openPage(ProblemSeveritiesPreferencePage.PROP_ID, data);
}
}
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