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comparison src/main/java/edu/harvard/iq/dataverse/ThemeWidgetFragment.java @ 10:a50cf11e5178

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Rewrite LGDataverse completely upgrading to dataverse4.0
author Zoe Hong <zhong@mpiwg-berlin.mpg.de>
date Tue, 08 Sep 2015 17:00:21 +0200
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9:5926d6419569 10:a50cf11e5178
1 /*
2 * To change this license header, choose License Headers in Project Properties.
3 * To change this template file, choose Tools | Templates
4 * and open the template in the editor.
5 */
6 package edu.harvard.iq.dataverse;
7
8 import edu.harvard.iq.dataverse.api.Datasets;
9 import edu.harvard.iq.dataverse.engine.command.Command;
10 import edu.harvard.iq.dataverse.engine.command.exception.CommandException;
11 import edu.harvard.iq.dataverse.engine.command.impl.UpdateDataverseThemeCommand;
12 import edu.harvard.iq.dataverse.util.JsfHelper;
13 import static edu.harvard.iq.dataverse.util.JsfHelper.JH;
14 import java.io.File;
15 import java.io.IOException;
16 import java.net.MalformedURLException;
17 import java.net.URL;
18 import java.nio.file.Files;
19 import java.nio.file.Paths;
20 import java.nio.file.StandardCopyOption;
21 import java.util.logging.Level;
22 import java.util.logging.Logger;
23 import javax.annotation.PreDestroy;
24 import javax.ejb.EJB;
25 import javax.faces.application.FacesMessage;
26 import javax.faces.component.UIComponent;
27 import javax.faces.component.html.HtmlInputText;
28 import javax.faces.context.FacesContext;
29 import javax.faces.validator.ValidatorException;
30 import javax.faces.view.ViewScoped;
31 import javax.inject.Inject;
32 import javax.inject.Named;
33
34 import org.apache.commons.lang.StringUtils;
35 import org.primefaces.context.RequestContext;
36
37 import org.primefaces.event.FileUploadEvent;
38 import org.primefaces.model.UploadedFile;
39
40 /**
41 *
42 * @author ellenk
43 */
44 @ViewScoped
45 @Named
46 public class ThemeWidgetFragment implements java.io.Serializable {
47 static final String DEFAULT_LOGO_BACKGROUND_COLOR = "F5F5F5";
48 static final String DEFAULT_BACKGROUND_COLOR = "F5F5F5";
49 static final String DEFAULT_LINK_COLOR = "428BCA";
50 static final String DEFAULT_TEXT_COLOR = "888888";
51 private static final Logger logger = Logger.getLogger(ThemeWidgetFragment.class.getCanonicalName());
52
53 @Inject DataversePage dataversePage;
54 private File tempDir;
55 private File uploadedFile;
56 private Dataverse editDv= new Dataverse();
57 private HtmlInputText linkUrlInput;
58 private HtmlInputText taglineInput;
59
60 @Inject
61 DataverseSession session;
62 @EJB
63 EjbDataverseEngine commandEngine;
64 @EJB
65 DataverseServiceBean dataverseServiceBean;
66
67 public HtmlInputText getLinkUrlInput() {
68 return linkUrlInput;
69 }
70
71 public void setLinkUrlInput(HtmlInputText linkUrlInput) {
72 this.linkUrlInput = linkUrlInput;
73 }
74
75 public HtmlInputText getTaglineInput() {
76 return taglineInput;
77 }
78
79 public void setTaglineInput(HtmlInputText taglineInput) {
80 this.taglineInput = taglineInput;
81 }
82
83
84
85
86 private void createTempDir() {
87 try {
88 File tempRoot = Files.createDirectories(Paths.get("../docroot/logos/temp")).toFile();
89 tempDir = Files.createTempDirectory(tempRoot.toPath(),editDv.getId().toString()).toFile();
90 } catch (IOException e) {
91 throw new RuntimeException("Error creating temp directory", e); // improve error handling
92 }
93 }
94
95 @PreDestroy
96 /**
97 * Cleanup by deleting temp directory and uploaded files
98 */
99 public void cleanupTempDirectory() {
100 try {
101
102 if (tempDir != null) {
103 for (File f : tempDir.listFiles()) {
104 Files.deleteIfExists(f.toPath());
105 }
106 Files.deleteIfExists(tempDir.toPath());
107 }
108 } catch (IOException e) {
109 throw new RuntimeException("Error deleting temp directory", e); // improve error handling
110 }
111 uploadedFile=null;
112 tempDir=null;
113 }
114
115 public void checkboxListener() {
116 // not sure if this is needed for the ajax component
117 }
118
119
120 public void initEditDv() {
121 editDv = dataverseServiceBean.find(editDv.getId());
122 if (editDv.getOwner()==null) {
123 editDv.setThemeRoot(true);
124 }
125 if (editDv.getDataverseTheme()==null && editDv.isThemeRoot()) {
126 editDv.setDataverseTheme(initDataverseTheme());
127
128 }
129 }
130
131 private DataverseTheme initDataverseTheme() {
132 DataverseTheme dvt = new DataverseTheme();
133 dvt.setLinkColor(DEFAULT_LINK_COLOR);
134 dvt.setLogoBackgroundColor(DEFAULT_LOGO_BACKGROUND_COLOR);
135 dvt.setBackgroundColor(DEFAULT_BACKGROUND_COLOR);
136 dvt.setTextColor(DEFAULT_TEXT_COLOR);
137 dvt.setDataverse(editDv);
138 return dvt;
139 }
140
141 public Dataverse getEditDv() {
142 return editDv;
143 }
144
145 public void setEditDv(Dataverse editDV) {
146 this.editDv = editDV;
147
148
149 }
150 public void validateTagline(FacesContext context, UIComponent component, Object value) throws ValidatorException {
151
152 if (!StringUtils.isEmpty((String) value) && ((String) value).length() > 140) {
153 FacesMessage msg = new FacesMessage("Tagline must be at most 140 characters.");
154 msg.setSeverity(FacesMessage.SEVERITY_ERROR);
155
156 throw new ValidatorException(msg);
157 }
158
159 }
160
161 public void validateUrl(FacesContext context, UIComponent component, Object value) throws ValidatorException {
162 try {
163 if (!StringUtils.isEmpty((String)value)){
164 URL test = new URL((String)value);
165 }
166 } catch(MalformedURLException e) {
167 FacesMessage msg =
168 new FacesMessage(" URL validation failed.",
169 "Please provide URL.");
170 msg.setSeverity(FacesMessage.SEVERITY_ERROR);
171
172 throw new ValidatorException(msg);
173 }
174
175 }
176
177
178 public String getTempDirName() {
179 if (tempDir!=null) {
180 return tempDir.getName();
181 } else {
182 return null;
183 }
184 }
185
186 public boolean uploadExists() {
187 return uploadedFile!=null;
188 }
189 /**
190 * Copy uploaded file to temp area, until we are ready to save
191 * Copy filename into Dataverse logo
192 * @param event
193 */
194
195 public void handleImageFileUpload(FileUploadEvent event) {
196
197 logger.finer("entering fileUpload");
198 if (this.tempDir==null) {
199 createTempDir();
200 logger.finer("created tempDir");
201 }
202 UploadedFile uFile = event.getFile();
203 try {
204 uploadedFile = new File(tempDir, uFile.getFileName());
205 if (!uploadedFile.exists()) {
206 uploadedFile.createNewFile();
207 }
208 logger.finer("created file");
209 Files.copy(uFile.getInputstream(), uploadedFile.toPath(),StandardCopyOption.REPLACE_EXISTING);
210 logger.finer("copied inputstream to file");
211 editDv.getDataverseTheme().setLogo(uFile.getFileName());
212
213 } catch (IOException e) {
214 logger.finer("caught IOException");
215 logger.throwing("ThemeWidgetFragment", "handleImageFileUpload", e);
216 throw new RuntimeException("Error uploading logo file", e); // improve error handling
217 }
218 // If needed, set the default values for the logo
219 if (editDv.getDataverseTheme().getLogoFormat()==null) {
220 editDv.getDataverseTheme().setLogoFormat(DataverseTheme.ImageFormat.SQUARE);
221 }
222 logger.finer("end handelImageFileUpload");
223 }
224
225 public void removeLogo() {
226 editDv.getDataverseTheme().setLogo(null);
227 this.cleanupTempDirectory();
228
229 }
230
231 public boolean getInheritCustomization() {
232 boolean inherit= editDv==null ? true : !editDv.getThemeRoot();
233 return inherit;
234 }
235
236 public void setInheritCustomization(boolean inherit) {
237 editDv.setThemeRoot(!inherit);
238 if (!inherit) {
239 if (editDv.getDataverseTheme(true)==null) {
240 editDv.setDataverseTheme(initDataverseTheme());
241 }
242 }
243 }
244 public void resetForm() {
245 RequestContext context = RequestContext.getCurrentInstance();
246 context.reset(":dataverseForm:themeWidgetsTabView");
247 }
248
249 public String cancel() {
250 return "dataverse?faces-redirect=true&alias="+editDv.getAlias(); // go to dataverse page
251 }
252
253
254
255
256 public String save() {
257 // If this Dv isn't the root, delete the uploaded file and remove theme
258 // before saving.
259 if (!editDv.isThemeRoot()) {
260 uploadedFile=null;
261 editDv.setDataverseTheme(null);
262 }
263 Command<Dataverse> cmd = new UpdateDataverseThemeCommand(editDv, this.uploadedFile, session.getUser());
264 try {
265 dataversePage.setDataverse(commandEngine.submit(cmd));
266 dataversePage.setEditMode(null);
267
268 } catch (Exception ex) {
269 logger.log(Level.SEVERE, "error updating dataverse theme", ex);
270 FacesContext.getCurrentInstance().addMessage(null, new FacesMessage(FacesMessage.SEVERITY_FATAL, "Dataverse Save Failed-", JH.localize("dataverse.theme.failure")));
271
272 return null;
273 } finally {
274 this.cleanupTempDirectory();
275 }
276 JsfHelper.addSuccessMessage(JH.localize("dataverse.theme.success"));
277 return "dataverse?faces-redirect=true&alias="+editDv.getAlias(); // go to dataverse page
278 }
279
280
281 }
282
283
284