/*******************************************************************************
* Copyright (c) 2012-2017 Codenvy, S.A.
* 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:
* Codenvy, S.A. - initial API and implementation
*******************************************************************************/
package org.eclipse.che.ide.ext.java.client.settings.compiler;
import com.google.gwt.user.client.ui.AcceptsOneWidget;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.Singleton;
import com.google.web.bindery.event.shared.EventBus;
import org.eclipse.che.ide.api.machine.events.WsAgentStateEvent;
import org.eclipse.che.ide.api.machine.events.WsAgentStateHandler;
import org.eclipse.che.api.promises.client.Operation;
import org.eclipse.che.api.promises.client.OperationException;
import org.eclipse.che.api.promises.client.PromiseError;
import org.eclipse.che.ide.api.notification.NotificationManager;
import org.eclipse.che.ide.api.preferences.AbstractPreferencePagePresenter;
import org.eclipse.che.ide.api.preferences.PreferencesManager;
import org.eclipse.che.ide.ext.java.client.JavaLocalizationConstant;
import org.eclipse.che.ide.ext.java.client.inject.factories.PropertyWidgetFactory;
import org.eclipse.che.ide.ext.java.client.settings.property.PropertyWidget;
import javax.validation.constraints.NotNull;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import static java.util.Arrays.asList;
import static org.eclipse.che.ide.api.notification.StatusNotification.DisplayMode.FLOAT_MODE;
import static org.eclipse.che.ide.api.notification.StatusNotification.Status.FAIL;
import static org.eclipse.che.ide.ext.java.client.settings.compiler.ErrorWarningsOptions.COMPARING_IDENTICAL_VALUES;
import static org.eclipse.che.ide.ext.java.client.settings.compiler.ErrorWarningsOptions.COMPILER_UNUSED_IMPORT;
import static org.eclipse.che.ide.ext.java.client.settings.compiler.ErrorWarningsOptions.COMPILER_UNUSED_LOCAL;
import static org.eclipse.che.ide.ext.java.client.settings.compiler.ErrorWarningsOptions.DEAD_CODE;
import static org.eclipse.che.ide.ext.java.client.settings.compiler.ErrorWarningsOptions.FIELD_HIDES_ANOTHER_VARIABLE;
import static org.eclipse.che.ide.ext.java.client.settings.compiler.ErrorWarningsOptions.METHOD_WITH_CONSTRUCTOR_NAME;
import static org.eclipse.che.ide.ext.java.client.settings.compiler.ErrorWarningsOptions.MISSING_DEFAULT_CASE;
import static org.eclipse.che.ide.ext.java.client.settings.compiler.ErrorWarningsOptions.MISSING_OVERRIDE_ANNOTATION;
import static org.eclipse.che.ide.ext.java.client.settings.compiler.ErrorWarningsOptions.MISSING_SERIAL_VERSION_UID;
import static org.eclipse.che.ide.ext.java.client.settings.compiler.ErrorWarningsOptions.NO_EFFECT_ASSIGNMENT;
import static org.eclipse.che.ide.ext.java.client.settings.compiler.ErrorWarningsOptions.NULL_POINTER_ACCESS;
import static org.eclipse.che.ide.ext.java.client.settings.compiler.ErrorWarningsOptions.POTENTIAL_NULL_POINTER_ACCESS;
import static org.eclipse.che.ide.ext.java.client.settings.compiler.ErrorWarningsOptions.REDUNDANT_NULL_CHECK;
import static org.eclipse.che.ide.ext.java.client.settings.compiler.ErrorWarningsOptions.TYPE_PARAMETER_HIDE_ANOTHER_TYPE;
import static org.eclipse.che.ide.ext.java.client.settings.compiler.ErrorWarningsOptions.UNCHECKED_TYPE_OPERATION;
import static org.eclipse.che.ide.ext.java.client.settings.compiler.ErrorWarningsOptions.UNNECESSARY_ELSE_STATEMENT;
import static org.eclipse.che.ide.ext.java.client.settings.compiler.ErrorWarningsOptions.UNUSED_PRIVATE_MEMBER;
import static org.eclipse.che.ide.ext.java.client.settings.compiler.ErrorWarningsOptions.USAGE_OF_RAW_TYPE;
/**
* The class contains business logic which allow control changing of compiler's properties.
*
* @author Dmitry Shnurenko
*/
@Singleton
public class JavaCompilerPreferencePresenter extends AbstractPreferencePagePresenter implements PropertyWidget.ActionDelegate,
WsAgentStateHandler {
public static final String CATEGORY = "Java Compiler";
private final ErrorWarningsView view;
private final PropertyWidgetFactory propertyFactory;
private final PreferencesManager preferencesManager;
private final Provider<NotificationManager> notificationManagerProvider;
private final JavaLocalizationConstant locale;
private final List<PropertyWidget> widgets;
@Inject
public JavaCompilerPreferencePresenter(JavaLocalizationConstant locale,
ErrorWarningsView view,
PropertyWidgetFactory propertyFactory,
@JavaCompilerPreferenceManager PreferencesManager preferencesManager,
Provider<NotificationManager> notificationManagerProvider,
EventBus eventBus) {
super(locale.compilerSetup(), CATEGORY);
this.view = view;
this.propertyFactory = propertyFactory;
this.preferencesManager = preferencesManager;
this.notificationManagerProvider = notificationManagerProvider;
this.locale = locale;
this.widgets = new ArrayList<>();
eventBus.addHandler(WsAgentStateEvent.TYPE, this);
}
/** {@inheritDoc} */
@Override
public boolean isDirty() {
for (PropertyWidget widget : widgets) {
String propertyName = widget.getOptionId().toString();
String changedValue = widget.getSelectedValue();
if (!changedValue.equals(preferencesManager.getValue(propertyName))) {
return true;
}
}
return false;
}
/** {@inheritDoc} */
@Override
public void storeChanges() {
for (PropertyWidget widget : widgets) {
String propertyName = widget.getOptionId().toString();
String selectedValue = widget.getSelectedValue();
if (!selectedValue.equals(preferencesManager.getValue(propertyName))) {
preferencesManager.setValue(propertyName, selectedValue);
}
}
}
/** {@inheritDoc} */
@Override
public void revertChanges() {
for (PropertyWidget widget : widgets) {
String propertyId = widget.getOptionId().toString();
String previousValue = preferencesManager.getValue(propertyId);
if (!widget.getSelectedValue().equals(previousValue)) {
widget.selectPropertyValue(previousValue);
}
}
}
/** {@inheritDoc} */
@Override
public void onPropertyChanged() {
delegate.onDirtyChanged();
}
/** {@inheritDoc} */
@Override
public void go(AcceptsOneWidget container) {
container.setWidget(view);
}
private void addErrorWarningsPanel() {
preferencesManager.loadPreferences().then(new Operation<Map<String, String>>() {
@Override
public void apply(Map<String, String> properties) throws OperationException {
List<ErrorWarningsOptions> options =
asList(COMPILER_UNUSED_LOCAL, COMPILER_UNUSED_IMPORT, DEAD_CODE, METHOD_WITH_CONSTRUCTOR_NAME,
UNNECESSARY_ELSE_STATEMENT, COMPARING_IDENTICAL_VALUES, NO_EFFECT_ASSIGNMENT, MISSING_SERIAL_VERSION_UID,
TYPE_PARAMETER_HIDE_ANOTHER_TYPE, FIELD_HIDES_ANOTHER_VARIABLE, MISSING_DEFAULT_CASE, UNUSED_PRIVATE_MEMBER,
UNCHECKED_TYPE_OPERATION, USAGE_OF_RAW_TYPE, MISSING_OVERRIDE_ANNOTATION, NULL_POINTER_ACCESS,
POTENTIAL_NULL_POINTER_ACCESS, REDUNDANT_NULL_CHECK);
for (ErrorWarningsOptions option : options) {
createAndAddWidget(option);
}
}
}).catchError(new Operation<PromiseError>() {
@Override
public void apply(PromiseError arg) throws OperationException {
notificationManagerProvider.get().notify(locale.unableToLoadJavaCompilerErrorsWarningsSettings(), FAIL, FLOAT_MODE);
}
});
}
private void createAndAddWidget(@NotNull ErrorWarningsOptions option) {
PropertyWidget widget = propertyFactory.create(option);
String value = preferencesManager.getValue(option.toString());
widget.selectPropertyValue(value);
widget.setDelegate(JavaCompilerPreferencePresenter.this);
widgets.add(widget);
view.addProperty(widget);
}
@Override
public void onWsAgentStarted(WsAgentStateEvent event) {
addErrorWarningsPanel();
}
@Override
public void onWsAgentStopped(WsAgentStateEvent event) {
//do nothing
}
}