Java tutorial
/* * * Copyright (C) 2007-2015 Licensed to the Comunes Association (CA) under * one or more contributor license agreements (see COPYRIGHT for details). * The CA licenses this file to you under the GNU Affero General Public * License version 3, (the "License"); you may not use this file except in * compliance with the License. This file is part of kune. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero General Public License as * published by the Free Software Foundation, either version 3 of the * License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. * */ package cc.kune.core.client.groups.newgroup; import cc.kune.common.client.errors.UIException; import cc.kune.common.client.notify.NotifyLevel; import cc.kune.common.client.notify.NotifyUser; import cc.kune.common.client.ui.dialogs.BSBasicDialog; import cc.kune.common.shared.i18n.I18nTranslationService; import cc.kune.common.shared.utils.TextUtils; import cc.kune.core.client.auth.SignIn; import cc.kune.core.client.errors.GroupLongNameInUseException; import cc.kune.core.client.errors.GroupShortNameInUseException; import cc.kune.core.client.events.MyGroupsChangedEvent; import cc.kune.core.client.resources.CoreMessages; import cc.kune.core.client.rpcservices.AsyncCallbackSimple; import cc.kune.core.client.rpcservices.GroupServiceAsync; import cc.kune.core.client.state.Session; import cc.kune.core.client.state.SiteTokens; import cc.kune.core.client.state.StateManager; import cc.kune.core.client.state.TokenUtils; import cc.kune.core.client.state.impl.SessionChecker; import cc.kune.core.shared.dto.GroupDTO; import cc.kune.core.shared.dto.GroupType; import cc.kune.core.shared.dto.LicenseDTO; import cc.kune.core.shared.dto.ReservedWordsRegistryDTO; import cc.kune.core.shared.dto.StateAbstractDTO; import cc.kune.gspace.client.actions.ShowHelpContainerEvent; import cc.kune.gspace.client.options.GroupOptions; import com.google.gwt.core.client.Scheduler; import com.google.gwt.core.client.Scheduler.ScheduledCommand; import com.google.gwt.event.dom.client.BlurEvent; import com.google.gwt.event.dom.client.BlurHandler; import com.google.gwt.event.dom.client.ClickEvent; import com.google.gwt.event.dom.client.ClickHandler; import com.google.gwt.event.logical.shared.CloseEvent; import com.google.gwt.event.logical.shared.CloseHandler; import com.google.gwt.user.client.Timer; import com.google.gwt.user.client.rpc.AsyncCallback; import com.google.inject.Inject; import com.google.inject.Provider; import com.google.web.bindery.event.shared.EventBus; import com.gwtplatform.mvp.client.Presenter; import com.gwtplatform.mvp.client.annotations.ProxyCodeSplit; import com.gwtplatform.mvp.client.proxy.Proxy; import com.gwtplatform.mvp.client.proxy.RevealRootContentEvent; // TODO: Auto-generated Javadoc /** * The Class NewGroupPresenter. * * @author vjrj@ourproject.org (Vicente J. Ruiz Jurado) */ public class NewGroupPresenter extends Presenter<NewGroupView, NewGroupPresenter.NewGroupProxy> implements NewGroup { /** * The Interface NewGroupProxy. * * @author vjrj@ourproject.org (Vicente J. Ruiz Jurado) */ @ProxyCodeSplit public interface NewGroupProxy extends Proxy<NewGroupPresenter> { } /** The group options. */ private final GroupOptions groupOptions; /** The group service. */ private final Provider<GroupServiceAsync> groupService; /** The i18n. */ private final I18nTranslationService i18n; /** The just created a group. */ private boolean justCreatedAGroup; /** The session. */ private final Session session; private final SessionChecker sessionChecker; /** The sign in. */ private final Provider<SignIn> signIn; /** The state manager. */ private final StateManager stateManager; /** * Instantiates a new new group presenter. * * @param eventBus * the event bus * @param view * the view * @param proxy * the proxy * @param i18n * the i18n * @param session * the session * @param stateManager * the state manager * @param groupService * the group service * @param signIn * the sign in * @param groupOptions * the group options */ @Inject public NewGroupPresenter(final EventBus eventBus, final NewGroupView view, final NewGroupProxy proxy, final I18nTranslationService i18n, final Session session, final StateManager stateManager, final Provider<GroupServiceAsync> groupService, final Provider<SignIn> signIn, final GroupOptions groupOptions, final SessionChecker sessionChecker) { super(eventBus, view, proxy); this.i18n = i18n; this.session = session; this.stateManager = stateManager; this.groupService = groupService; this.signIn = signIn; this.groupOptions = groupOptions; this.sessionChecker = sessionChecker; } /* * (non-Javadoc) * * @see cc.kune.core.client.groups.newgroup.NewGroup#doNewGroup() */ @Override public void doNewGroup() { justCreatedAGroup = false; sessionChecker.check(new AsyncCallbackSimple<Void>() { @Override public void onSuccess(final Void result) { if (session.isLogged()) { NotifyUser.showProgress(); getView().show(); getView().focusOnLongName(); NotifyUser.hideProgress(); } else { // signIn.get().showSignInDialog(); signIn.get().setErrorMessage(i18n.t(CoreMessages.REGISTER_TO_CREATE_A_GROUP), NotifyLevel.info); stateManager.gotoHistoryToken( TokenUtils.addRedirect(SiteTokens.SIGN_IN, session.getCurrentStateToken().toString())); } } }); } /** * Automatically generate a "short name" for a group, after typing the * "long name":. * * @return the string */ protected String generateShortName() { String autoGenShort = getView().getLongName(); // If there is a short-name, no automatic generation (for not stepping on // manually inserted modifications, and doing it just once) // If under 3 chars, incorrect LongName => no automatic generation if (getView().getShortName() == null && autoGenShort != null && autoGenShort.length() > 2) { // to lower-case, transformed accented letters into English characters: autoGenShort = TextUtils.deAccent(autoGenShort.toLowerCase()); // remove not alphanumeric characters autoGenShort = autoGenShort.replaceAll("[^a-zA-Z0-9]", ""); // guarantee <30 chars: if (autoGenShort.length() > 30) { autoGenShort = autoGenShort.substring(0, 29); } if (!autoGenShort.isEmpty() && autoGenShort.length() > 2) { getView().setShortName(autoGenShort); return autoGenShort; } } return null; } /** * Gets the type of group. * * @return the type of group */ private GroupType getTypeOfGroup() { // Duplicate in GroupOptGeneralPanel if (getView().isProject()) { return GroupType.PROJECT; } else if (getView().isOrganization()) { return GroupType.ORGANIZATION; } else if (getView().isClosed()) { return GroupType.CLOSED; } else { return GroupType.COMMUNITY; } } /* * (non-Javadoc) * * @see com.gwtplatform.mvp.client.HandlerContainerImpl#onBind() */ @Override protected void onBind() { super.onBind(); getView().getFirstBtn().addClickHandler(new ClickHandler() { @Override public void onClick(final ClickEvent event) { onRegister(); } }); getView().getSecondBtn().addClickHandler(new ClickHandler() { @Override public void onClick(final ClickEvent event) { onCancel(); } }); getView().getClose().addCloseHandler(new CloseHandler<BSBasicDialog>() { @Override public void onClose(final CloseEvent<BSBasicDialog> event) { NewGroupPresenter.this.onClose(); } }); // When you leave the field "long name", auto-generate the "short name": getView().getLongNameField().addHandler(new BlurHandler() { @Override public void onBlur(final BlurEvent event) { generateShortName(); } }, BlurEvent.getType()); } /** * On cancel. */ public void onCancel() { getView().hide(); getView().unMask(); } /** * On close. */ public void onClose() { reset(); if (!justCreatedAGroup) { stateManager.redirectOrRestorePreviousToken(false); } } /** * On register. */ private void onRegister() { getView().hideMessage(); final ReservedWordsRegistryDTO reservedWords = session.getInitData().getReservedWords(); if (reservedWords.contains(getView().getShortName())) { getView().setShortNameFailed(i18n.t(CoreMessages.NAME_RESTRICTED)); getView().setMessage(i18n.t(CoreMessages.NAME_RESTRICTED), NotifyLevel.error); } else if (reservedWords.contains(getView().getLongName())) { getView().setLongNameFailed(i18n.t(CoreMessages.NAME_RESTRICTED)); getView().setMessage(i18n.t(CoreMessages.NAME_RESTRICTED), NotifyLevel.error); } else if (getView().isFormValid()) { getView().maskProcessing(); final String shortName = getView().getShortName().toLowerCase(); final String longName = getView().getLongName(); final String publicDesc = getView().getPublicDesc(); final LicenseDTO license = session.getDefLicense(); final GroupDTO group = new GroupDTO(shortName, longName, getTypeOfGroup()); group.setDefaultLicense(license); final AsyncCallback<StateAbstractDTO> callback = new AsyncCallback<StateAbstractDTO>() { @Override public void onFailure(final Throwable caught) { if (caught instanceof GroupShortNameInUseException) { getView().unMask(); final String msg = i18n.t(CoreMessages.NAME_IN_ALREADY_IN_USE); getView().setShortNameFailed(msg); setMessage(msg, NotifyLevel.error); } else if (caught instanceof GroupLongNameInUseException) { getView().unMask(); final String msg = i18n.t(CoreMessages.NAME_IN_ALREADY_IN_USE); getView().setLongNameFailed(msg); setMessage(msg, NotifyLevel.error); } else { getView().unMask(); setMessage(i18n.t("Error creating group"), NotifyLevel.error); throw new UIException("Other kind of exception in group registration", caught); } } @Override public void onSuccess(final StateAbstractDTO state) { justCreatedAGroup = true; stateManager.setRetrievedStateAndGo(state); getView().hide(); getView().unMask(); MyGroupsChangedEvent.fire(getEventBus()); Scheduler.get().scheduleDeferred(new ScheduledCommand() { @Override public void execute() { groupOptions.showTooltip(); new Timer() { @Override public void run() { ShowHelpContainerEvent.fire(getEventBus(), state.getStateToken().getTool()); } }.schedule(2000); } }); } }; groupService.get().createNewGroup(session.getUserHash(), group, publicDesc, getView().getTags(), null, callback); } } /** * Reset. */ private void reset() { getView().clearData(); } /* * (non-Javadoc) * * @see com.gwtplatform.mvp.client.Presenter#revealInParent() */ @Override protected void revealInParent() { RevealRootContentEvent.fire(this, this); } /** * Sets the message. * * @param message * the message * @param level * the level */ public void setMessage(final String message, final NotifyLevel level) { getView().setMessage(message, level); } }