/*
Copyright 2012-2013 Eduworks Corporation
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package com.eduworks.russel.ui.client.pagebuilder.screen;
import com.eduworks.gwt.client.component.HtmlTemplates;
import com.eduworks.gwt.client.model.StatusRecord;
import com.eduworks.gwt.client.net.callback.ESBCallback;
import com.eduworks.gwt.client.net.callback.EventCallback;
import com.eduworks.gwt.client.net.packet.ESBPacket;
import com.eduworks.gwt.client.pagebuilder.PageAssembler;
import com.eduworks.gwt.client.pagebuilder.modal.ModalDispatch;
import com.eduworks.gwt.client.pagebuilder.overlay.OverlayDispatch;
import com.eduworks.gwt.client.pagebuilder.screen.ScreenDispatch;
import com.eduworks.gwt.client.pagebuilder.screen.ScreenTemplate;
import com.eduworks.russel.ui.client.Russel;
import com.eduworks.russel.ui.client.handler.StatusHandler;
import com.eduworks.russel.ui.client.net.RusselApi;
import com.google.gwt.dom.client.Node;
import com.google.gwt.json.client.JSONArray;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.Element;
import com.google.gwt.user.client.Event;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.PasswordTextBox;
import com.google.gwt.user.client.ui.TextBox;
/**
* UtilityScreen class
* Extends ScreenTemplate
* Defines methods and handlers for the Utility screen.
*
* @author Eduworks Corporation
*/
public class UserScreen extends ScreenTemplate {
private static String CREATE = "create";
private static String RESET = "reset";
/**
* lostFocus In place to handle any processing requirements required when this screen loses focus.
* Called by ScreenDispatch for all RUSSEL screens.
*/
public void lostFocus() {}
/**
* display Renders the Utility screen using appropriate templates and sets up handlers
*/
public void display() {
PageAssembler.ready(new HTML(Russel.htmlTemplates.getUserManagementPanel().getText()));
PageAssembler.buildContents();
DOM.getElementById("r-menuCollections").getParentElement().removeClassName("active");
DOM.getElementById("r-menuProjects").getParentElement().removeClassName("active");
DOM.getElementById("r-menuWorkspace").getParentElement().removeClassName("active");
PageAssembler.attachHandler("userGroups", Event.ONCLICK, new EventCallback() {
@Override
public void onEvent(Event event) {
Russel.screen.loadScreen(new GroupScreen(), true);
}
});
PageAssembler.attachHandler("userPermissions", Event.ONCLICK, new EventCallback() {
@Override
public void onEvent(Event event) {
Russel.screen.loadScreen(new PermissionScreen(PermissionScreen.TYPE_USER, DOM.getElementById("userList").getPropertyString("value")), false);
}
});
RusselApi.getUsers(new ESBCallback<ESBPacket>() {
@Override
public void onSuccess(ESBPacket esbPacket) {
JSONArray jsonArray = esbPacket.getArray("obj");
for (int i = 0; i < jsonArray.size(); i++) {
String username = jsonArray.get(i).isString().stringValue();
makeOption(username, "userList");
}
}
@Override
public void onFailure(Throwable caught) {}
});
PageAssembler.attachHandler("userCreate",
Event.ONCLICK,
new EventCallback() {
@Override
public void onEvent(Event event) {
openPopup(CREATE);
((TextBox)PageAssembler.elementToWidget("newUsername", PageAssembler.TEXT)).setText("");
((PasswordTextBox)PageAssembler.elementToWidget("newPassword", PageAssembler.PASSWORD)).setText("");
((PasswordTextBox)PageAssembler.elementToWidget("newPasswordConfirmation", PageAssembler.PASSWORD)).setText("");
PageAssembler.attachHandler("modalNewUserCreate",
Event.ONCLICK,
new EventCallback() {
@Override
public void onEvent(Event event) {
String username = ((TextBox)PageAssembler.elementToWidget("newUsername", PageAssembler.TEXT)).getText().trim();
if (matchingPasswords("newPassword", "newPasswordConfirmation")&&username!="") {
String password = ((PasswordTextBox)PageAssembler.elementToWidget("newPassword", PageAssembler.PASSWORD)).getText();
createUser(username, password);
}
}
});
PageAssembler.attachHandler("modalNewUserCancel",
Event.ONCLICK,
new EventCallback() {
@Override
public void onEvent(Event event) {
PageAssembler.closePopup("createUserModal");
}
});
}
});
PageAssembler.attachHandler("userPasswordReset",
Event.ONCLICK,
new EventCallback() {
@Override
public void onEvent(Event event) {
openPopup(RESET);
((PasswordTextBox)PageAssembler.elementToWidget("resetPassword", PageAssembler.PASSWORD)).setText("");
((PasswordTextBox)PageAssembler.elementToWidget("resetPasswordConfirmation", PageAssembler.PASSWORD)).setText("");
PageAssembler.attachHandler("modalResetPasswordAccept",
Event.ONCLICK,
new EventCallback() {
@Override
public void onEvent(Event event) {
if (matchingPasswords("resetPassword", "resetPasswordConfirmation")) {
String password = ((PasswordTextBox)PageAssembler.elementToWidget("resetPassword", PageAssembler.PASSWORD)).getText();
resetPassword(DOM.getElementById("userList").getPropertyString("value"), password);
}
}
});
PageAssembler.attachHandler("modalResetPasswordCancel",
Event.ONCLICK,
new EventCallback() {
@Override
public void onEvent(Event event) {
PageAssembler.closePopup("resetPasswordModal");
}
});
}
});
PageAssembler.attachHandler("userDelete",
Event.ONCLICK,
new EventCallback() {
@Override
public void onEvent(Event event) {
deleteUser(DOM.getElementById("userList").getPropertyString("value"));
}
});
}
private boolean matchingPasswords(String element1, String element2) {
String password1 = ((PasswordTextBox)PageAssembler.elementToWidget(element1, PageAssembler.PASSWORD)).getText();
String password2 = ((PasswordTextBox)PageAssembler.elementToWidget(element2, PageAssembler.PASSWORD)).getText();
return password1.equals(password2);
}
private void makeOption(final String username, String eName) {
Element e = DOM.getElementById(eName);
Element a = DOM.createOption();
a.setInnerText(username);
e.appendChild(a);
}
private void openPopup(String type) {
if (type.equals(RESET)) {
PageAssembler.openPopup("resetPasswordModal");
} else if (type.equals(CREATE)) {
PageAssembler.openPopup("createUserModal");
}
}
private void resetPassword(final String username, String password) {
final StatusRecord sr = StatusHandler.createMessage(StatusHandler.getResetUserPasswordBusy(username), StatusRecord.STATUS_BUSY);
RusselApi.resetUserPassword(username,
password,
new ESBCallback<ESBPacket>() {
@Override
public void onSuccess(ESBPacket esbPacket) {
sr.setMessage(StatusHandler.getResetUserPasswordDone(username));
sr.setState(StatusRecord.STATUS_DONE);
StatusHandler.alterMessage(sr);
PageAssembler.closePopup("resetPasswordModal");
}
@Override
public void onFailure(Throwable caught) {
sr.setMessage(StatusHandler.getResetUserPasswordError(username));
sr.setState(StatusRecord.STATUS_ERROR);
StatusHandler.alterMessage(sr);
}
});
}
private void createUser(final String username, String password) {
final StatusRecord sr = StatusHandler.createMessage(StatusHandler.getCreateUserBusy(username), StatusRecord.STATUS_BUSY);
RusselApi.createUser(username,
password,
new ESBCallback<ESBPacket>() {
@Override
public void onFailure(Throwable caught) {
sr.setMessage(StatusHandler.getCreateUserError(username));
sr.setState(StatusRecord.STATUS_ERROR);
StatusHandler.alterMessage(sr);
}
@Override
public void onSuccess(ESBPacket esbPacket) {
makeOption(username, "userList");
sr.setMessage(StatusHandler.getCreateUserDone(username));
sr.setState(StatusRecord.STATUS_DONE);
StatusHandler.alterMessage(sr);
PageAssembler.closePopup("createUserModal");
}
});
}
private void deleteUser(final String username) {
final StatusRecord sr = StatusHandler.createMessage(StatusHandler.getDeleteUserBusy(username), StatusRecord.STATUS_BUSY);
RusselApi.deleteUser(username,
new ESBCallback<ESBPacket>() {
@Override
public void onFailure(Throwable caught) {
sr.setMessage(StatusHandler.getDeleteUserError(username));
sr.setState(StatusRecord.STATUS_ERROR);
StatusHandler.alterMessage(sr);
}
@Override
public void onSuccess(ESBPacket esbPacket) {
Element e = DOM.getElementById("userList");
Element a = null;
for (int i = 0; i < e.getChildCount(); i++) {
Node n = e.getChild(i);
if (n instanceof Element) {
if (((Element)n).getPropertyString("value").equals(username))
a = (Element) n;
}
}
if (a!=null) {
a.removeFromParent();
DOM.getElementById("memberUserSelect").removeAllChildren();
DOM.getElementById("memberGroupSelect").removeAllChildren();
DOM.getElementById("userList").removeAllChildren();
DOM.getElementById("groupList").removeAllChildren();
}
sr.setMessage(StatusHandler.getDeleteUserDone(username));
sr.setState(StatusRecord.STATUS_DONE);
StatusHandler.alterMessage(sr);
}
});
}
@Override
public ScreenDispatch getDispatcher() {
return null;
}
@Override
public OverlayDispatch getOverlayDispatcher() {
return null;
}
@Override
public ModalDispatch getModalDispatcher() {
return null;
}
@Override
public HtmlTemplates getTemplates() {
return null;
}
}