src/cx/fbn/nevernote/dialog/OnlineNoteHistory.java

   1 /*\r
   2  * This file is part of NeverNote \r
   3  * Copyright 2009 Randy Baumgarte\r
   4  * \r
   5  * This file may be licensed under the terms of of the\r
   6  * GNU General Public License Version 2 (the ``GPL'').\r
   7  *\r
   8  * Software distributed under the License is distributed\r
   9  * on an ``AS IS'' basis, WITHOUT WARRANTY OF ANY KIND, either\r
  10  * express or implied. See the GPL for the specific language\r
  11  * governing rights and limitations.\r
  12  *\r
  13  * You should have received a copy of the GPL along with this\r
  14  * program. If not, go to http://www.gnu.org/licenses/gpl.html\r
  15  * or write to the Free Software Foundation, Inc.,\r
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.\r
  17  *\r
  18 */\r
  19 \r
  20 package cx.fbn.nevernote.dialog;\r
  21 \r
  22 import java.io.File;\r
  23 import java.text.SimpleDateFormat;\r
  24 import java.util.List;\r
  25 \r
  26 import com.evernote.edam.notestore.NoteVersionId;\r
  27 import com.evernote.edam.type.Note;\r
  28 import com.evernote.edam.type.Resource;\r
  29 import com.trolltech.qt.core.QByteArray;\r
  30 import com.trolltech.qt.core.QFile;\r
  31 import com.trolltech.qt.core.QIODevice;\r
  32 import com.trolltech.qt.core.Qt.ContextMenuPolicy;\r
  33 import com.trolltech.qt.gui.QComboBox;\r
  34 import com.trolltech.qt.gui.QDialog;\r
  35 import com.trolltech.qt.gui.QHBoxLayout;\r
  36 import com.trolltech.qt.gui.QLabel;\r
  37 import com.trolltech.qt.gui.QPushButton;\r
  38 import com.trolltech.qt.gui.QVBoxLayout;\r
  39 import com.trolltech.qt.xml.QDomAttr;\r
  40 import com.trolltech.qt.xml.QDomDocument;\r
  41 import com.trolltech.qt.xml.QDomElement;\r
  42 import com.trolltech.qt.xml.QDomNodeList;\r
  43 \r
  44 import cx.fbn.nevernote.Global;\r
  45 import cx.fbn.nevernote.gui.BrowserWindow;\r
  46 import cx.fbn.nevernote.sql.DatabaseConnection;\r
  47 \r
  48 public class OnlineNoteHistory extends QDialog {\r
  49         public final QPushButton        restoreAsNew;\r
  50         public final QPushButton        restore;\r
  51         private DatabaseConnection  conn;\r
  52         public final QComboBox          historyCombo;    \r
  53         private final BrowserWindow     browser;\r
  54         \r
  55         // Constructor\r
  56         public OnlineNoteHistory(DatabaseConnection c) {\r
  57                 setWindowTitle("Online Note History");\r
  58                 QVBoxLayout main = new QVBoxLayout();\r
  59                 setLayout(main);\r
  60                 historyCombo = new QComboBox(this);\r
  61                 \r
  62                 QHBoxLayout comboLayout = new QHBoxLayout();\r
  63                 comboLayout.addWidget(new QLabel("History Date:"));\r
  64                 comboLayout.addWidget(historyCombo);\r
  65                 comboLayout.addStretch(100);\r
  66                 \r
  67                 main.addLayout(comboLayout);\r
  68                                 \r
  69                 browser = new BrowserWindow(conn);\r
  70                 main.addWidget(browser);\r
  71                 browser.titleLabel.setVisible(false);\r
  72                 browser.notebookBox.setVisible(false);\r
  73                 browser.hideButtons();\r
  74                 browser.tagEdit.setVisible(false);\r
  75                 browser.tagLabel.setVisible(false);\r
  76                 \r
  77                 QHBoxLayout buttonLayout = new QHBoxLayout();\r
  78                 buttonLayout.addStretch(100);\r
  79                 restore = new QPushButton("Restore Note");\r
  80                 restore.clicked.connect(this, "restorePushed()");\r
  81                 \r
  82                 restoreAsNew = new QPushButton("Restore As New Note");\r
  83                 restoreAsNew.clicked.connect(this, "restoreAsNewPushed()");\r
  84                 QPushButton cancel = new QPushButton("Cancel");\r
  85                 cancel.clicked.connect(this, "cancelPressed()");\r
  86                 \r
  87                 buttonLayout.addWidget(restore);\r
  88                 buttonLayout.addWidget(restoreAsNew);\r
  89                 buttonLayout.addWidget(cancel);\r
  90                 main.addLayout(buttonLayout);\r
  91                 \r
  92                 browser.getBrowser().setContextMenuPolicy(ContextMenuPolicy.NoContextMenu);\r
  93 \r
  94         }\r
  95         \r
  96         @SuppressWarnings("unused")\r
  97         private void restoreAsNewPushed() {\r
  98                 this.close();\r
  99         }\r
 100         @SuppressWarnings("unused")\r
 101         private void restorePushed() {\r
 102                 this.close();\r
 103         }\r
 104         @SuppressWarnings("unused")\r
 105         private void cancelPressed() {\r
 106                 this.close();\r
 107         }\r
 108         \r
 109         public void setCurrent(boolean isDirty) {\r
 110                 if (isDirty) \r
 111                         historyCombo.addItem(new String("Current (Non Synchronized)"));\r
 112                 else\r
 113                         historyCombo.addItem(new String("Current (Synchronized)"));\r
 114                                 \r
 115         }\r
 116         \r
 117         public void load(List<NoteVersionId> versions) {\r
 118                 String fmt = Global.getDateFormat() + " " + Global.getTimeFormat();\r
 119                 String dateTimeFormat = new String(fmt);\r
 120                 SimpleDateFormat simple = new SimpleDateFormat(dateTimeFormat);\r
 121                 \r
 122                 for (int i=0; i<versions.size(); i++) {\r
 123                         StringBuilder versionDate = new StringBuilder(simple.format(versions.get(i).getServiceUpdated()));\r
 124                         historyCombo.addItem(versionDate.toString());\r
 125                 }\r
 126         }\r
 127         \r
 128         public void setContent(Note currentNote) {\r
 129                 StringBuffer b = rebuildNoteHTML(currentNote);\r
 130                 StringBuffer js = new StringBuffer();\r
 131 \r
 132                 // We need to prepend the note with <HEAD></HEAD> or encoded characters are ugly \r
 133                 js.append("<html><head><meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">");       \r
 134                 js.append("<style type=\"text/css\">en-crypt-temp { border-style:solid; border-color:blue; padding:1mm 1mm 1mm 1mm; }</style>");\r
 135                 js.append("</head>");\r
 136                 js.append(b.toString());\r
 137                 js.append("</HTML>");\r
 138 //              js.replace("<!DOCTYPE en-note SYSTEM 'http://xml.evernote.com/pub/enml2.dtd'>", "");\r
 139 //              js.replace("<?xml version='1.0' encoding='UTF-8'?>", "");\r
 140                 \r
 141                 browser.setNote(currentNote);\r
 142                 browser.getBrowser().page().mainFrame().setHtml(js.toString());\r
 143         }\r
 144  \r
 145         //*************************************************\r
 146         //* XML Modifying Methods\r
 147         //*************************************************\r
 148         private StringBuffer rebuildNoteHTML(Note note) {\r
 149                 QDomDocument doc = new QDomDocument();\r
 150                 QDomDocument.Result result = doc.setContent(note.getContent());\r
 151                 if (!result.success) {\r
 152                         return new StringBuffer(note.getContent());\r
 153                 }\r
 154                 \r
 155                 doc = modifyTags(note, doc);\r
 156                 QDomElement docElem = doc.documentElement();\r
 157                 docElem.setTagName("Body");\r
 158                 \r
 159                 // Fix the stupid problem where inserting an <img> tag after an <a> tag (which is done\r
 160                 // to get the <en-media> application tag to work properly) causes spaces to be inserted\r
 161                 // between the <a> & <img>.  This messes things up later.  This is an ugly hack.\r
 162                 String docString = doc.toString();\r
 163                 StringBuffer html = new StringBuffer(docString.substring(docString.toLowerCase().indexOf("<body>")));\r
 164                 \r
 165                 for (int i=html.indexOf("<a en-tag=\"en-media\" ", 0); i>-1; i=html.indexOf("<a en-tag=\"en-media\" ", i)) {\r
 166                         i=html.indexOf(">\n",i+1);\r
 167                         int z = html.indexOf("<img",i);\r
 168                         for (int j=z-1; j>i; j--) \r
 169                                 html.deleteCharAt(j);\r
 170                         i=html.indexOf("/>", z+1);\r
 171                         z = html.indexOf("</a>",i);\r
 172                         for (int j=z-1; j>i+1; j--) \r
 173                                 html.deleteCharAt(j);\r
 174                 } \r
 175                 return html;\r
 176         }       \r
 177 \r
 178         \r
 179         \r
 180         private QDomDocument modifyTags(Note note, QDomDocument doc) {\r
 181                 QDomElement docElem = doc.documentElement();\r
 182                 \r
 183                 // Modify en-media tags\r
 184                 QDomNodeList anchors = docElem.elementsByTagName("en-media");\r
 185                 int enMediaCount = anchors.length();\r
 186                 for (int i=enMediaCount-1; i>=0; i--) {\r
 187                         QDomElement enmedia = anchors.at(i).toElement();\r
 188                         if (enmedia.hasAttribute("type")) {\r
 189                                 QDomAttr attr = enmedia.attributeNode("type");\r
 190                                 QDomAttr hash = enmedia.attributeNode("hash");\r
 191                                 String[] type = attr.nodeValue().split("/");\r
 192                                 String appl = type[1];\r
 193                                 \r
 194                                 if (type[0] != null) {\r
 195                                         if (type[0].equals("image")) {\r
 196                                                 modifyImageTags(note, docElem, enmedia, hash);\r
 197                                         }\r
 198                                         if (!type[0].equals("image")) {\r
 199                                                 modifyApplicationTags(note, doc, docElem, enmedia, hash, appl);\r
 200                                         }\r
 201 //                                      if (type[0].equals("audio")) {\r
 202 //                                              modifyApplicationTags(doc, docElem, enmedia, hash, appl);\r
 203 //                                      }\r
 204                                 }\r
 205                         }\r
 206                 }\r
 207                 \r
 208                 // Modify todo tags\r
 209                 anchors = docElem.elementsByTagName("en-todo");\r
 210                 int enTodoCount = anchors.length();\r
 211                 for (int i=enTodoCount-1; i>=0; i--) {\r
 212                         QDomElement enmedia = anchors.at(i).toElement();\r
 213                         modifyTodoTags(enmedia);\r
 214                 }\r
 215                 \r
 216                 // Modify en-crypt tags\r
 217                 anchors = docElem.elementsByTagName("en-crypt");\r
 218                 int enCryptLen = anchors.length();\r
 219                 for (int i=enCryptLen-1; i>=0; i--) {\r
 220                         QDomElement enmedia = anchors.at(i).toElement();\r
 221                         //enmedia.setAttribute("style","display:none");\r
 222                         enmedia.setAttribute("contentEditable","false");\r
 223                         enmedia.setAttribute("src", Global.getDirectoryPath()+"images/encrypt.png");\r
 224                         enmedia.setAttribute("en-tag","en-crypt");\r
 225                         enmedia.setAttribute("alt", enmedia.text());\r
 226                         Global.cryptCounter++;\r
 227                         enmedia.setAttribute("id", "crypt"+Global.cryptCounter.toString());\r
 228                         String encryptedText = enmedia.text();\r
 229                         \r
 230                         // If the encryption string contains crlf at the end, remove them because they mess up the javascript.\r
 231                         if (encryptedText.endsWith("\n"))\r
 232                                 encryptedText = encryptedText.substring(0,encryptedText.length()-1);\r
 233                         if (encryptedText.endsWith("\r"))\r
 234                                 encryptedText = encryptedText.substring(0,encryptedText.length()-1);\r
 235                         \r
 236                         // Add the commands\r
 237                         enmedia.setAttribute("onClick", "window.jambi.decryptText('crypt"+Global.cryptCounter.toString()+"', '"+encryptedText+"', '"+enmedia.attribute("hint")+"');");\r
 238                         enmedia.setAttribute("onMouseOver", "style.cursor='hand'");\r
 239                         enmedia.setTagName("img");\r
 240                         enmedia.removeChild(enmedia.firstChild());   // Remove the actual encrypted text\r
 241                 }\r
 242 \r
 243                 return doc;\r
 244         }\r
 245         \r
 246         \r
 247         \r
 248         \r
 249            private void modifyApplicationTags(Note n, QDomDocument doc, QDomElement docElem, QDomElement enmedia, QDomAttr hash, String appl) {\r
 250                   \r
 251                    Resource r = null;\r
 252                    for (int i=0; i<n.getResourcesSize(); i++) {\r
 253                            String hashValue = hash.value();\r
 254                            byte res[] = n.getResources().get(i).getData().getBodyHash();\r
 255                            String resourceHashValue = new String(Global.byteArrayToHexString(res));\r
 256                            if (resourceHashValue.equalsIgnoreCase(hashValue)) {\r
 257                                    r = n.getResources().get(i);\r
 258                                    i=n.getResourcesSize();\r
 259                            }\r
 260                    }\r
 261                    \r
 262                    if (r!= null) {\r
 263                                 if (r.getData()!=null) {\r
 264                                         // Did we get a generic applicaiton?  Then look at the file name to \r
 265                                         // try and find a good application type for the icon\r
 266                                         if (appl.equalsIgnoreCase("octet-stream")) {\r
 267                                                 if (r.getAttributes() != null && r.getAttributes().getFileName() != null) {\r
 268                                                         String fn = r.getAttributes().getFileName();\r
 269                                                         int pos = fn.indexOf(".");\r
 270                                                         if (pos > -1) {\r
 271                                                                 appl = fn.substring(pos+1);\r
 272                                                         }\r
 273                                                 }\r
 274                                         }\r
 275                                         \r
 276                                         String fileDetails = null;\r
 277                                         if (r.getAttributes() != null && r.getAttributes().getFileName() != null && !r.getAttributes().getFileName().equals(""))\r
 278                                                 fileDetails = r.getAttributes().getFileName();\r
 279                                         if (fileDetails != null && !fileDetails.equals("")) \r
 280                                                 enmedia.setAttribute("href", "nnres://" +r.getGuid()+n.getUpdateSequenceNum() +Global.attachmentNameDelimeter +fileDetails);\r
 281                                         else\r
 282                                                 enmedia.setAttribute("href", "nnres://" +r.getGuid()+n.getUpdateSequenceNum() +Global.attachmentNameDelimeter +appl);\r
 283                                         if (fileDetails == null || fileDetails.equals(""))\r
 284                                                 fileDetails = "";\r
 285                                         enmedia.setAttribute("en-tag", "en-media");\r
 286                                         enmedia.setAttribute("guid", r.getGuid());\r
 287                                         enmedia.setTagName("a");\r
 288                                         QDomElement newText = doc.createElement("img");\r
 289                                         String icon = findIcon(appl);\r
 290                                         if (icon.equals("attachment.png"))\r
 291                                                 icon = findIcon(fileDetails.substring(fileDetails.indexOf(".")+1));\r
 292                                         newText.setAttribute("src", Global.getDirectoryPath()+"images"+File.separator +icon);   \r
 293                                         newText.setAttribute("title", fileDetails);\r
 294                                         enmedia.removeChild(enmedia.firstChild());\r
 295                                         enmedia.appendChild(newText);\r
 296                                 }\r
 297                         }\r
 298             }\r
 299             // find the appropriate icon for an attachment\r
 300             private String findIcon(String appl) {\r
 301                 appl = appl.toLowerCase();\r
 302                 File f = new File(Global.getDirectoryPath()+"images"+File.separator +appl +".png");\r
 303                 if (f.exists())\r
 304                         return appl+".png";\r
 305                 return "attachment.png";\r
 306             }\r
 307             \r
 308         \r
 309         \r
 310         \r
 311         \r
 312         \r
 313         \r
 314     private void modifyTodoTags(QDomElement todo) {\r
 315                 todo.setAttribute("type", "checkbox");\r
 316                 String checked = todo.attribute("checked");\r
 317                 todo.removeAttribute("checked");\r
 318                 if (checked.equalsIgnoreCase("true"))\r
 319                         todo.setAttribute("checked", "");\r
 320                 else\r
 321                         todo.setAttribute("unchecked","");\r
 322                 todo.setAttribute("value", checked);\r
 323                 todo.setAttribute("onClick", "value=checked;window.jambi.contentChanged(); ");\r
 324                 todo.setTagName("input");\r
 325     }\r
 326     \r
 327     \r
 328     private void modifyImageTags(Note note, QDomElement docElem, QDomElement enmedia, QDomAttr hash) {\r
 329         String type = enmedia.attribute("type");\r
 330         if (type.startsWith("image/"))\r
 331                 type = "."+type.substring(6);\r
 332         else\r
 333                 type="";\r
 334         \r
 335         Resource r = null;\r
 336                 for (int i=0; i<note.getResourcesSize(); i++) {\r
 337                         String hashValue = hash.value();\r
 338                         byte res[] = note.getResources().get(i).getData().getBodyHash();\r
 339                         String resourceHashValue = new String(Global.byteArrayToHexString(res));\r
 340                    if (hashValue.equalsIgnoreCase(resourceHashValue)) {\r
 341                            r = note.getResources().get(i);\r
 342                            i=note.getResourcesSize();\r
 343                    }\r
 344                 }\r
 345         \r
 346                 if (r==null)\r
 347                         return;\r
 348                 \r
 349         QFile tfile = new QFile(Global.getDirectoryPath()+"res"+File.separator +r.getGuid()+note.getUpdateSequenceNum()+type);\r
 350         if (!tfile.exists()) {\r
 351                         if (r!= null && r.getData() != null && r.getData().getBody().length > 0) {\r
 352                                 tfile.open(new QIODevice.OpenMode(QIODevice.OpenModeFlag.WriteOnly));\r
 353                                 QByteArray binData = new QByteArray(r.getData().getBody());\r
 354                                 tfile.write(binData);\r
 355                                 tfile.close();\r
 356                                 enmedia.setAttribute("src", tfile.fileName());\r
 357                                 enmedia.setAttribute("en-tag", "en-media");\r
 358                                 enmedia.setNodeValue("");\r
 359                         enmedia.setAttribute("guid", r.getGuid());\r
 360                         enmedia.setTagName("img");\r
 361                 }\r
 362         }\r
 363                 enmedia.setAttribute("src", tfile.fileName());\r
 364                 enmedia.setAttribute("en-tag", "en-media");\r
 365                 enmedia.setNodeValue("");\r
 366                 enmedia.setAttribute("guid", r.getGuid());\r
 367                 enmedia.setTagName("img");\r
 368     }\r
 369 }\r