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/*******************************************************************************
* Copyright (c) 2000, 2015 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
* Jesper Steen Moller - Enhancement 254677 - filter getters/setters
*******************************************************************************/
package org.eclipse.jdt.internal.debug.ui;
import java.util.ArrayList;
import org.eclipse.debug.internal.ui.SWTFactory;
import org.eclipse.debug.ui.DebugUITools;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.core.search.SearchEngine;
import org.eclipse.jdt.ui.IJavaElementSearchConstants;
import org.eclipse.jdt.ui.JavaUI;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.preference.PreferencePage;
import org.eclipse.jface.viewers.CheckStateChangedEvent;
import org.eclipse.jface.viewers.CheckboxTableViewer;
import org.eclipse.jface.viewers.ICheckStateListener;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.KeyAdapter;
import org.eclipse.swt.events.KeyEvent;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
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.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.TableItem;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPreferencePage;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.dialogs.ElementListSelectionDialog;
import org.eclipse.ui.dialogs.SelectionDialog;
/**
* The preference page for Java step filtering, located at the node Java > Debug > Step Filtering
*
* @since 3.0
*/
public class JavaStepFilterPreferencePage extends PreferencePage implements IWorkbenchPreferencePage {
public static final String PAGE_ID = "org.eclipse.jdt.debug.ui.JavaStepFilterPreferencePage"; //$NON-NLS-1$
/**
* Content provider for the table. Content consists of instances of StepFilter.
* @since 3.2
*/
class StepFilterContentProvider implements IStructuredContentProvider {
public StepFilterContentProvider() {
initTableState(false);
}
@Override
public Object[] getElements(Object inputElement) {return getAllFiltersFromTable();}
@Override
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {}
@Override
public void dispose() {}
}
//widgets
private CheckboxTableViewer fTableViewer;
private Button fUseStepFiltersButton;
private Button fAddPackageButton;
private Button fAddTypeButton;
private Button fRemoveFilterButton;
private Button fAddFilterButton;
private Button fFilterSyntheticButton;
private Button fFilterStaticButton;
private Button fFilterGetterButton;
private Button fFilterSetterButton;
private Button fFilterConstructorButton;
private Button fStepThruButton;
private Button fSelectAllButton;
private Button fDeselectAllButton;
/**
* Constructor
*/
public JavaStepFilterPreferencePage() {
super();
setPreferenceStore(JDIDebugUIPlugin.getDefault().getPreferenceStore());
setTitle(DebugUIMessages.JavaStepFilterPreferencePage_title);
setDescription(DebugUIMessages.JavaStepFilterPreferencePage_description);
}
/* (non-Javadoc)
* @see org.eclipse.jface.preference.PreferencePage#createContents(org.eclipse.swt.widgets.Composite)
*/
@Override
protected Control createContents(Composite parent) {
PlatformUI.getWorkbench().getHelpSystem().setHelp(getControl(), IJavaDebugHelpContextIds.JAVA_STEP_FILTER_PREFERENCE_PAGE);
//The main composite
Composite composite = SWTFactory.createComposite(parent, parent.getFont(), 1, 1, GridData.FILL_BOTH, 0, 0);
createStepFilterPreferences(composite);
return composite;
}
/* (non-Javadoc)
* @see org.eclipse.ui.IWorkbenchPreferencePage#init(org.eclipse.ui.IWorkbench)
*/
@Override
public void init(IWorkbench workbench) {}
/**
* handles the filter button being clicked
* @param event the clicked event
*/
private void handleFilterViewerKeyPress(KeyEvent event) {
if (event.character == SWT.DEL && event.stateMask == 0) {
removeFilters();
}
}
/**
* Create a group to contain the step filter related widgetry
*/
private void createStepFilterPreferences(Composite parent) {
Composite container = SWTFactory.createComposite(parent, parent.getFont(), 2, 1, GridData.FILL_BOTH, 0, 0);
fUseStepFiltersButton = SWTFactory.createCheckButton(container, DebugUIMessages.JavaStepFilterPreferencePage__Use_step_filters, null, DebugUITools.isUseStepFilters(), 2);
fUseStepFiltersButton.addSelectionListener(new SelectionListener() {
@Override
public void widgetSelected(SelectionEvent e) {
setPageEnablement(fUseStepFiltersButton.getSelection());
}
@Override
public void widgetDefaultSelected(SelectionEvent e) {}
}
);
SWTFactory.createLabel(container, DebugUIMessages.JavaStepFilterPreferencePage_Defined_step_fi_lters__8, 2);
fTableViewer = CheckboxTableViewer.newCheckList(container, SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER | SWT.MULTI | SWT.FULL_SELECTION);
fTableViewer.getTable().setFont(container.getFont());
fTableViewer.setLabelProvider(new FilterLabelProvider());
fTableViewer.setComparator(new FilterViewerComparator());
fTableViewer.setContentProvider(new StepFilterContentProvider());
fTableViewer.setInput(getAllStoredFilters(false));
fTableViewer.getTable().setLayoutData(new GridData(GridData.FILL_BOTH));
fTableViewer.addCheckStateListener(new ICheckStateListener() {
@Override
public void checkStateChanged(CheckStateChangedEvent event) {
((Filter)event.getElement()).setChecked(event.getChecked());
}
});
fTableViewer.addSelectionChangedListener(new ISelectionChangedListener() {
@Override
public void selectionChanged(SelectionChangedEvent event) {
ISelection selection = event.getSelection();
if (selection.isEmpty()) {
fRemoveFilterButton.setEnabled(false);
} else {
fRemoveFilterButton.setEnabled(true);
}
}
});
fTableViewer.getControl().addKeyListener(new KeyAdapter() {
@Override
public void keyPressed(KeyEvent event) {
handleFilterViewerKeyPress(event);
}
});
createStepFilterButtons(container);
createStepFilterCheckboxes(container);
setPageEnablement(fUseStepFiltersButton.getSelection());
}
/**
* initializes the checked state of the filters when the dialog opens
* @since 3.2
*/
private void initTableState(boolean defaults) {
Filter[] filters = getAllStoredFilters(defaults);
for(int i = 0; i < filters.length; i++) {
fTableViewer.add(filters[i]);
fTableViewer.setChecked(filters[i], filters[i].isChecked());
}
}
/**
* Enables or disables the widgets on the page, with the
* exception of <code>fUseStepFiltersButton</code> according
* to the passed boolean
* @param enabled the new enablement status of the page's widgets
* @since 3.2
*/
protected void setPageEnablement(boolean enabled) {
fAddFilterButton.setEnabled(enabled);
fAddPackageButton.setEnabled(enabled);
fAddTypeButton.setEnabled(enabled);
fDeselectAllButton.setEnabled(enabled);
fSelectAllButton.setEnabled(enabled);
fFilterConstructorButton.setEnabled(enabled);
fStepThruButton.setEnabled(enabled);
fFilterGetterButton.setEnabled(enabled);
fFilterSetterButton.setEnabled(enabled);
fFilterStaticButton.setEnabled(enabled);
fFilterSyntheticButton.setEnabled(enabled);
fTableViewer.getTable().setEnabled(enabled);
fRemoveFilterButton.setEnabled(enabled & !fTableViewer.getSelection().isEmpty());
}
/**
* create the checked preferences for the page
* @param container the parent container
*/
private void createStepFilterCheckboxes(Composite container) {
fFilterSyntheticButton = SWTFactory.createCheckButton(container,
DebugUIMessages.JavaStepFilterPreferencePage_Filter_s_ynthetic_methods__requires_VM_support__17,
null, getPreferenceStore().getBoolean(IJDIPreferencesConstants.PREF_FILTER_SYNTHETICS), 2);
fFilterStaticButton = SWTFactory.createCheckButton(container,
DebugUIMessages.JavaStepFilterPreferencePage_Filter_static__initializers_18,
null, getPreferenceStore().getBoolean(IJDIPreferencesConstants.PREF_FILTER_STATIC_INITIALIZERS), 2);
fFilterConstructorButton = SWTFactory.createCheckButton(container,
DebugUIMessages.JavaStepFilterPreferencePage_Filter_co_nstructors_19,
null, getPreferenceStore().getBoolean(IJDIPreferencesConstants.PREF_FILTER_CONSTRUCTORS), 2);
fFilterGetterButton = SWTFactory.createCheckButton(container,
DebugUIMessages.JavaStepFilterPreferencePage_Filter_getters,
null, getPreferenceStore().getBoolean(IJDIPreferencesConstants.PREF_FILTER_GETTERS), 2);
fFilterSetterButton = SWTFactory.createCheckButton(container,
DebugUIMessages.JavaStepFilterPreferencePage_Filter_setters,
null, getPreferenceStore().getBoolean(IJDIPreferencesConstants.PREF_FILTER_SETTERS), 2);
fStepThruButton = SWTFactory.createCheckButton(container,
DebugUIMessages.JavaStepFilterPreferencePage_0,
null, getPreferenceStore().getBoolean(IJDIPreferencesConstants.PREF_STEP_THRU_FILTERS), 2);
}
/**
* Creates the button for the step filter options
* @param container the parent container
*/
private void createStepFilterButtons(Composite container) {
initializeDialogUnits(container);
// button container
Composite buttonContainer = new Composite(container, SWT.NONE);
GridData gd = new GridData(GridData.FILL_VERTICAL);
buttonContainer.setLayoutData(gd);
GridLayout buttonLayout = new GridLayout();
buttonLayout.numColumns = 1;
buttonLayout.marginHeight = 0;
buttonLayout.marginWidth = 0;
buttonContainer.setLayout(buttonLayout);
//Add filter button
fAddFilterButton = SWTFactory.createPushButton(buttonContainer,
DebugUIMessages.JavaStepFilterPreferencePage_Add__Filter_9,
DebugUIMessages.JavaStepFilterPreferencePage_Key_in_the_name_of_a_new_step_filter_10, null);
fAddFilterButton.addListener(SWT.Selection, new Listener() {
@Override
public void handleEvent(Event e) {
addFilter();
}
});
//Add type button
fAddTypeButton = SWTFactory.createPushButton(buttonContainer,
DebugUIMessages.JavaStepFilterPreferencePage_Add__Type____11,
DebugUIMessages.JavaStepFilterPreferencePage_Choose_a_Java_type_and_add_it_to_step_filters_12, null);
fAddTypeButton.addListener(SWT.Selection, new Listener() {
@Override
public void handleEvent(Event e) {
addType();
}
});
//Add package button
fAddPackageButton = SWTFactory.createPushButton(buttonContainer,
DebugUIMessages.JavaStepFilterPreferencePage_Add__Package____13,
DebugUIMessages.JavaStepFilterPreferencePage_Choose_a_package_and_add_it_to_step_filters_14, null);
fAddPackageButton.addListener(SWT.Selection, new Listener() {
@Override
public void handleEvent(Event e) {
addPackage();
}
});
//Remove button
fRemoveFilterButton = SWTFactory.createPushButton(buttonContainer,
DebugUIMessages.JavaStepFilterPreferencePage__Remove_15,
DebugUIMessages.JavaStepFilterPreferencePage_Remove_all_selected_step_filters_16,
null);
fRemoveFilterButton.addListener(SWT.Selection, new Listener() {
@Override
public void handleEvent(Event e) {
removeFilters();
}
});
fRemoveFilterButton.setEnabled(false);
Label separator= new Label(buttonContainer, SWT.NONE);
separator.setVisible(false);
gd = new GridData();
gd.horizontalAlignment= GridData.FILL;
gd.verticalAlignment= GridData.BEGINNING;
gd.heightHint= 4;
separator.setLayoutData(gd);
//Select All button
fSelectAllButton = SWTFactory.createPushButton(buttonContainer,
DebugUIMessages.JavaStepFilterPreferencePage__Select_All_1,
DebugUIMessages.JavaStepFilterPreferencePage_Selects_all_step_filters_2, null);
fSelectAllButton.addListener(SWT.Selection, new Listener() {
@Override
public void handleEvent(Event e) {
fTableViewer.setAllChecked(true);
}
});
//De-Select All button
fDeselectAllButton = SWTFactory.createPushButton(buttonContainer,
DebugUIMessages.JavaStepFilterPreferencePage_Deselect_All_3,
DebugUIMessages.JavaStepFilterPreferencePage_Deselects_all_step_filters_4, null);
fDeselectAllButton.addListener(SWT.Selection, new Listener() {
@Override
public void handleEvent(Event e) {
fTableViewer.setAllChecked(false);
}
});
}
/**
* Allows a new filter to be added to the listing
*/
private void addFilter() {
Filter newfilter = CreateStepFilterDialog.showCreateStepFilterDialog(getShell(), getAllFiltersFromTable());
if (newfilter != null) {
fTableViewer.add(newfilter);
fTableViewer.setChecked(newfilter, true);
fTableViewer.refresh(newfilter);
}
}
/**
* add a new type to the listing of available filters
*/
private void addType() {
try {
SelectionDialog dialog = JavaUI.createTypeDialog(getShell(),
PlatformUI.getWorkbench().getProgressService(),
SearchEngine.createWorkspaceScope(),
IJavaElementSearchConstants.CONSIDER_CLASSES,
false);
dialog.setTitle(DebugUIMessages.JavaStepFilterPreferencePage_Add_type_to_step_filters_20);
dialog.setMessage(DebugUIMessages.JavaStepFilterPreferencePage_Select_a_type_to_filter_when_stepping_23);
if (dialog.open() == IDialogConstants.OK_ID) {
Object[] types = dialog.getResult();
if (types != null && types.length > 0) {
IType type = (IType)types[0];
addFilter(type.getFullyQualifiedName(), true);
}
}
}
catch (JavaModelException jme) {
ExceptionHandler.handle(jme,
DebugUIMessages.JavaStepFilterPreferencePage_Add_type_to_step_filters_20,
DebugUIMessages.JavaStepFilterPreferencePage_Could_not_open_type_selection_dialog_for_step_filters_21);
}
}
/**
* add a new package to the list of all available package filters
*/
private void addPackage() {
try {
ElementListSelectionDialog dialog = JDIDebugUIPlugin.createAllPackagesDialog(getShell(), null, false);
dialog.setTitle(DebugUIMessages.JavaStepFilterPreferencePage_Add_package_to_step_filters_24);
dialog.setMessage(DebugUIMessages.JavaStepFilterPreferencePage_Select_a_package_to_filter_when_stepping_27);
dialog.setMultipleSelection(true);
if (dialog.open() == IDialogConstants.OK_ID) {
Object[] packages = dialog.getResult();
if (packages != null) {
IJavaElement pkg = null;
for (int i = 0; i < packages.length; i++) {
pkg = (IJavaElement)packages[i];
String filter = pkg.getElementName() + ".*"; //$NON-NLS-1$
addFilter(filter, true);
}
}
}
}
catch (JavaModelException jme) {
ExceptionHandler.handle(jme,
DebugUIMessages.JavaStepFilterPreferencePage_Add_package_to_step_filters_24,
DebugUIMessages.JavaStepFilterPreferencePage_Could_not_open_package_selection_dialog_for_step_filters_25);
}
}
/**
* Removes the currently selected filters.
*/
protected void removeFilters() {
fTableViewer.remove(((IStructuredSelection)fTableViewer.getSelection()).toArray());
}
/* (non-Javadoc)
* @see org.eclipse.jface.preference.PreferencePage#performOk()
*/
@Override
public boolean performOk() {
DebugUITools.setUseStepFilters(fUseStepFiltersButton.getSelection());
IPreferenceStore store = getPreferenceStore();
ArrayList<String> active = new ArrayList<>();
ArrayList<String> inactive = new ArrayList<>();
String name = ""; //$NON-NLS-1$
Filter[] filters = getAllFiltersFromTable();
for(int i = 0; i < filters.length; i++) {
name = filters[i].getName();
if(filters[i].isChecked()) {
active.add(name);
}
else {
inactive.add(name);
}
}
String pref = JavaDebugOptionsManager.serializeList(active.toArray(new String[active.size()]));
store.setValue(IJDIPreferencesConstants.PREF_ACTIVE_FILTERS_LIST, pref);
pref = JavaDebugOptionsManager.serializeList(inactive.toArray(new String[inactive.size()]));
store.setValue(IJDIPreferencesConstants.PREF_INACTIVE_FILTERS_LIST, pref);
store.setValue(IJDIPreferencesConstants.PREF_FILTER_CONSTRUCTORS, fFilterConstructorButton.getSelection());
store.setValue(IJDIPreferencesConstants.PREF_FILTER_STATIC_INITIALIZERS, fFilterStaticButton.getSelection());
store.setValue(IJDIPreferencesConstants.PREF_FILTER_GETTERS, fFilterGetterButton.getSelection());
store.setValue(IJDIPreferencesConstants.PREF_FILTER_SETTERS, fFilterSetterButton.getSelection());
store.setValue(IJDIPreferencesConstants.PREF_FILTER_SYNTHETICS, fFilterSyntheticButton.getSelection());
store.setValue(IJDIPreferencesConstants.PREF_STEP_THRU_FILTERS, fStepThruButton.getSelection());
return super.performOk();
}
/* (non-Javadoc)
* @see org.eclipse.jface.preference.PreferencePage#performDefaults()
*/
@Override
protected void performDefaults() {
boolean stepenabled = DebugUITools.isUseStepFilters();
fUseStepFiltersButton.setSelection(stepenabled);
setPageEnablement(stepenabled);
fFilterSyntheticButton.setSelection(getPreferenceStore().getDefaultBoolean(IJDIPreferencesConstants.PREF_FILTER_SYNTHETICS));
fFilterStaticButton.setSelection(getPreferenceStore().getDefaultBoolean(IJDIPreferencesConstants.PREF_FILTER_STATIC_INITIALIZERS));
fFilterConstructorButton.setSelection(getPreferenceStore().getDefaultBoolean(IJDIPreferencesConstants.PREF_FILTER_CONSTRUCTORS));
fFilterGetterButton.setSelection(getPreferenceStore().getDefaultBoolean(IJDIPreferencesConstants.PREF_FILTER_GETTERS));
fFilterSetterButton.setSelection(getPreferenceStore().getDefaultBoolean(IJDIPreferencesConstants.PREF_FILTER_SETTERS));
fStepThruButton.setSelection(getPreferenceStore().getDefaultBoolean(IJDIPreferencesConstants.PREF_STEP_THRU_FILTERS));
fTableViewer.getTable().removeAll();
initTableState(true);
super.performDefaults();
}
/**
* adds a single filter to the viewer
* @param filter the new filter to add
* @param checked the checked state of the new filter
* @since 3.2
*/
protected void addFilter(String filter, boolean checked) {
if(filter != null) {
Filter f = new Filter(filter, checked);
fTableViewer.add(f);
fTableViewer.setChecked(f, checked);
}
}
/**
* returns all of the filters from the table, this includes ones that have not yet been saved
* @return a possibly empty lits of filters fron the table
* @since 3.2
*/
protected Filter[] getAllFiltersFromTable() {
TableItem[] items = fTableViewer.getTable().getItems();
Filter[] filters = new Filter[items.length];
for(int i = 0; i < items.length; i++) {
filters[i] = (Filter)items[i].getData();
filters[i].setChecked(items[i].getChecked());
}
return filters;
}
/**
* Returns all of the committed filters
* @return an array of committed filters
* @since 3.2
*/
protected Filter[] getAllStoredFilters(boolean defaults) {
Filter[] filters = null;
String[] activefilters, inactivefilters;
IPreferenceStore store = getPreferenceStore();
if(defaults) {
activefilters = JavaDebugOptionsManager.parseList(store.getDefaultString(IJDIPreferencesConstants.PREF_ACTIVE_FILTERS_LIST));
inactivefilters = JavaDebugOptionsManager.parseList(store.getDefaultString(IJDIPreferencesConstants.PREF_INACTIVE_FILTERS_LIST));
}
else {
activefilters = JavaDebugOptionsManager.parseList(store.getString(IJDIPreferencesConstants.PREF_ACTIVE_FILTERS_LIST));
inactivefilters = JavaDebugOptionsManager.parseList(store.getString(IJDIPreferencesConstants.PREF_INACTIVE_FILTERS_LIST));
}
filters = new Filter[activefilters.length + inactivefilters.length];
for(int i = 0; i < activefilters.length; i++) {
filters[i] = new Filter(activefilters[i], true);
}
for(int i = 0; i < inactivefilters.length; i++) {
filters[i+activefilters.length] = new Filter(inactivefilters[i], false);
}
return filters;
}
}