src/cx/fbn/nevernote/gui/NotebookTreeWidget.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.gui;\r
  21 \r
  22 import java.util.ArrayList;\r
  23 import java.util.HashMap;\r
  24 import java.util.List;\r
  25 \r
  26 import com.evernote.edam.type.Notebook;\r
  27 import com.trolltech.qt.core.QByteArray;\r
  28 import com.trolltech.qt.core.QMimeData;\r
  29 import com.trolltech.qt.core.Qt;\r
  30 import com.trolltech.qt.core.Qt.SortOrder;\r
  31 import com.trolltech.qt.gui.QAbstractItemView;\r
  32 import com.trolltech.qt.gui.QAction;\r
  33 import com.trolltech.qt.gui.QBrush;\r
  34 import com.trolltech.qt.gui.QColor;\r
  35 import com.trolltech.qt.gui.QContextMenuEvent;\r
  36 import com.trolltech.qt.gui.QDragEnterEvent;\r
  37 import com.trolltech.qt.gui.QDragMoveEvent;\r
  38 import com.trolltech.qt.gui.QHeaderView;\r
  39 import com.trolltech.qt.gui.QIcon;\r
  40 import com.trolltech.qt.gui.QMenu;\r
  41 import com.trolltech.qt.gui.QTreeWidget;\r
  42 import com.trolltech.qt.gui.QTreeWidgetItem;\r
  43 import com.trolltech.qt.gui.QTreeWidgetItem.ChildIndicatorPolicy;\r
  44 \r
  45 import cx.fbn.nevernote.Global;\r
  46 import cx.fbn.nevernote.filters.NotebookCounter;\r
  47 import cx.fbn.nevernote.signals.NoteSignal;\r
  48 import cx.fbn.nevernote.sql.DatabaseConnection;\r
  49 \r
  50 public class NotebookTreeWidget extends QTreeWidget {\r
  51         private QAction                                 deleteAction;\r
  52         private QAction                                 addAction;\r
  53         private QAction                                 editAction;\r
  54         private QAction                                 iconAction;\r
  55         private QAction                                 stackAction;\r
  56         public NoteSignal                               noteSignal;\r
  57         private HashMap<String, QIcon>  icons;\r
  58         private final DatabaseConnection                db;\r
  59         private List<NotebookCounter> lastCounts;\r
  60         private final HashMap<String, QTreeWidgetItem>  stacks;\r
  61 //      private final QTreeWidgetItem                   previousMouseOver;\r
  62 //      private boolean                                 previousMouseOverWasSelected;\r
  63         \r
  64         public void setAddAction(QAction a) {\r
  65                 addAction = a;\r
  66         }\r
  67         \r
  68         public void setDeleteAction(QAction d) {\r
  69                 deleteAction = d;\r
  70         }\r
  71         \r
  72         public void setEditAction(QAction e) {\r
  73                 editAction = e;\r
  74         }\r
  75         \r
  76         public void setStackAction(QAction e) {\r
  77                 stackAction = e;\r
  78         }\r
  79         \r
  80         public void setIconAction(QAction e) {\r
  81                 iconAction = e;\r
  82         }\r
  83         \r
  84         public NotebookTreeWidget(DatabaseConnection db) {\r
  85                 noteSignal = new NoteSignal();\r
  86                 this.db = db;\r
  87 //              setProperty("hideTree", true);\r
  88                 List<String> labels = new ArrayList<String>();\r
  89                 labels.add("Notebooks");\r
  90                 labels.add("");\r
  91                 setAcceptDrops(true);\r
  92                 setDragEnabled(true);\r
  93                 setColumnCount(2);\r
  94                 header().setResizeMode(0, QHeaderView.ResizeMode.ResizeToContents);\r
  95                 header().setResizeMode(1, QHeaderView.ResizeMode.Stretch);\r
  96                 header().setMovable(false);\r
  97                 setHeaderLabels(labels);\r
  98                 setDragDropMode(QAbstractItemView.DragDropMode.DragDrop);\r
  99                 // If we want to mimic Evernote's notebook selection\r
 100                 if (Global.mimicEvernoteInterface) {\r
 101                         setSelectionMode(QAbstractItemView.SelectionMode.SingleSelection);\r
 102                 } else\r
 103                         setSelectionMode(QAbstractItemView.SelectionMode.ExtendedSelection);\r
 104 \r
 105                 stacks = new HashMap<String, QTreeWidgetItem>();\r
 106 //      int width = Global.getColumnWidth("notebookTreeName");\r
 107 //              if (width>0)\r
 108 //                      setColumnWidth(0, width);\r
 109 //              previousMouseOver = new QTreeWidgetItem();\r
 110         }\r
 111         \r
 112         public void selectNotebook(QTreeWidgetItem item) {\r
 113                 QTreeWidgetItem root = invisibleRootItem();\r
 114                 QTreeWidgetItem child;\r
 115                 \r
 116                 for (int i=0; i<root.childCount(); i++) {\r
 117                         child = root.child(i); \r
 118                         if (child.text(2).equals(item.text(2))) {\r
 119                                 child.setSelected(true);\r
 120                                 return;\r
 121                         }\r
 122                 }\r
 123                 \r
 124         }\r
 125         \r
 126         public boolean selectGuid(String guid) {\r
 127                 QTreeWidgetItem root = invisibleRootItem();\r
 128                 QTreeWidgetItem child;\r
 129 \r
 130                 for (int i=0; i<root.childCount(); i++) {\r
 131                         child = root.child(i);\r
 132                         if (child.text(2).equals(guid)) {\r
 133                                 child.setSelected(true);\r
 134                                 return true;\r
 135                         }\r
 136                 }\r
 137                 return false;\r
 138         }\r
 139         \r
 140         public void setIcons(HashMap<String, QIcon> i) {\r
 141                 icons = i;\r
 142         }\r
 143         \r
 144         public QIcon findDefaultIcon(String guid, String name, List<String> localBooks, boolean isPublished) {\r
 145         String iconPath = new String("classpath:cx/fbn/nevernote/icons/");\r
 146         QIcon blueIcon = new QIcon(iconPath+"notebook-blue.png");\r
 147         QIcon greenIcon = new QIcon(iconPath+"notebook-green.png");\r
 148         QIcon redIcon = new QIcon(iconPath+"notebook-red.png");\r
 149         QIcon yellowIcon = new QIcon(iconPath+"notebook-yellow.png");\r
 150 \r
 151                 if (localBooks.contains(guid)) {\r
 152                         return yellowIcon;\r
 153                 }\r
 154                 \r
 155                 if (localBooks.contains(guid) && \r
 156                         (name.equalsIgnoreCase("Conflicting Changes") ||\r
 157                          name.equalsIgnoreCase("Conflicting Changes (Local)")))\r
 158                                 return redIcon;\r
 159                 if (isPublished)\r
 160                         return blueIcon;\r
 161 \r
 162                 return greenIcon;\r
 163         }\r
 164         \r
 165         public void load(List<Notebook> books, List<String> localBooks) {\r
 166         Notebook book;\r
 167         QTreeWidgetItem child;\r
 168         clear();\r
 169         stacks.clear();\r
 170         \r
 171         if (books == null)\r
 172                 return;\r
 173         Qt.Alignment ra = new Qt.Alignment(Qt.AlignmentFlag.AlignRight);\r
 174         for (int i=0; i<books.size(); i++) {\r
 175                         book = books.get(i);\r
 176                         child = new QTreeWidgetItem();\r
 177                         child.setChildIndicatorPolicy(ChildIndicatorPolicy.DontShowIndicatorWhenChildless);\r
 178                         child.setText(0, book.getName());\r
 179                 if (icons != null && !icons.containsKey(book.getGuid())) {\r
 180                         QIcon icon = findDefaultIcon(book.getGuid(), book.getName(), localBooks, book.isPublished());\r
 181                         child.setIcon(0, icon);\r
 182                 } else {\r
 183                         child.setIcon(0, icons.get(book.getGuid()));\r
 184                 }\r
 185                 child.setTextAlignment(1, ra.value());\r
 186                 child.setText(2, book.getGuid());\r
 187                 if (book.getStack() == null || book.getStack().equalsIgnoreCase(""))\r
 188                         addTopLevelItem(child); \r
 189                 else {\r
 190                         String stackName = book.getStack();\r
 191                         QTreeWidgetItem parent;\r
 192                         if (!stacks.containsKey(stackName)) {\r
 193                                 parent = createStackIcon(stackName, ra);\r
 194                                 addTopLevelItem(parent);\r
 195                                 stacks.put(stackName, parent);\r
 196                         } else\r
 197                                 parent = stacks.get(stackName);\r
 198                         parent.addChild(child);\r
 199                         \r
 200                 }\r
 201         }\r
 202 \r
 203         sortItems(0, SortOrder.AscendingOrder); \r
 204         if (Global.mimicEvernoteInterface) {\r
 205                 String iconPath = new String("classpath:cx/fbn/nevernote/icons/");\r
 206                 QIcon greenIcon = new QIcon(iconPath+"notebook-green.png");\r
 207                 \r
 208                 child = new QTreeWidgetItem();\r
 209                 child.setIcon(0, greenIcon);\r
 210                 child.setText(0, "All Notebooks");\r
 211                 child.setText(2, "");\r
 212                 child.setTextAlignment(1, ra.value());\r
 213                 insertTopLevelItem(0,child);\r
 214         }\r
 215         resizeColumnToContents(0);\r
 216         resizeColumnToContents(1);\r
 217         }\r
 218 \r
 219         // update the display with the current number of notes\r
 220         public void updateCounts(List<Notebook> books, List<NotebookCounter> counts) {\r
 221                 lastCounts = counts;\r
 222                 QTreeWidgetItem root = invisibleRootItem();\r
 223                 QTreeWidgetItem child;\r
 224                 \r
 225                 QBrush blue = new QBrush();\r
 226                 QBrush black = new QBrush();\r
 227                 black.setColor(QColor.black);\r
 228                 if (Global.tagBehavior().equalsIgnoreCase("ColorActive") && !Global.mimicEvernoteInterface)\r
 229                         blue.setColor(QColor.blue);\r
 230                 else\r
 231                         blue.setColor(QColor.black);\r
 232                 int total=0;\r
 233                 \r
 234                 \r
 235                 int size = books.size();\r
 236                 if (Global.mimicEvernoteInterface)\r
 237                         size++;\r
 238                 \r
 239                 for (int i=0; i<size; i++) {\r
 240                         child = root.child(i);\r
 241                         if (child != null && child.childCount() > 0) {\r
 242                                 int count = child.childCount();\r
 243                                 QTreeWidgetItem parent = child;\r
 244                                 int localTotal = 0;\r
 245                                 for (int j=0; j<count; j++) {\r
 246                                         child = parent.child(j);\r
 247                                         int childCount = updateCounts(child, books, counts, blue, black);\r
 248                                         total = total+childCount;\r
 249                                         localTotal = localTotal+childCount;\r
 250                                 }\r
 251                                 parent.setText(1, new Integer(localTotal).toString());\r
 252                         } else\r
 253                                 total = total+updateCounts(child, books, counts, blue, black);\r
 254                 }\r
 255                 \r
 256                 for (int i=0; i<size; i++) {\r
 257                         child = root.child(i); \r
 258                         if (child != null) {\r
 259                                 String guid = child.text(2);\r
 260                                 if (guid.equals("") && Global.mimicEvernoteInterface) \r
 261                                         child.setText(1, new Integer(total).toString());\r
 262                         }\r
 263                 }\r
 264         }\r
 265         \r
 266         private int updateCounts(QTreeWidgetItem child, List<Notebook> books, List<NotebookCounter> counts, QBrush blue, QBrush black) {\r
 267                 int total=0;\r
 268                 if (child != null) {\r
 269                         String guid = child.text(2);\r
 270                         child.setText(1,"0");\r
 271                         child.setForeground(0, black);\r
 272                         child.setForeground(1, black);\r
 273                         for (int j=0; j<counts.size(); j++) {\r
 274                                 if (counts.get(j).getGuid().equals(guid)) {\r
 275                                         child.setText(1, new Integer(counts.get(j).getCount()).toString());\r
 276                                         total = counts.get(j).getCount();\r
 277                                         if (counts.get(j).getCount() > 0) {\r
 278                                                 child.setForeground(0, blue);\r
 279                                                 child.setForeground(1, blue);\r
 280                                         }\r
 281                                 }\r
 282                         }\r
 283                 }\r
 284                 return total;\r
 285         }\r
 286         \r
 287         // Return a list of the notebook guids, ordered by the current display order.\r
 288         public List<String> getNotebookGuids() {\r
 289                 List<String> names = new ArrayList<String>();\r
 290                 QTreeWidgetItem root = invisibleRootItem();\r
 291                 QTreeWidgetItem child;\r
 292                 for (int i=0; i<root.childCount(); i++) {\r
 293                         child = root.child(i);\r
 294                         String text = child.text(2);\r
 295                         names.add(text);\r
 296                 }\r
 297                 return names;\r
 298         }\r
 299         \r
 300         @Override\r
 301         public void contextMenuEvent(QContextMenuEvent event) {\r
 302                 QMenu menu = new QMenu(this);\r
 303                 menu.addAction(addAction);\r
 304                 menu.addAction(editAction);\r
 305                 menu.addAction(deleteAction);\r
 306                 menu.addAction(stackAction);\r
 307                 menu.addSeparator();\r
 308                 menu.addAction(iconAction);\r
 309                 menu.exec(event.globalPos());\r
 310         }\r
 311         \r
 312         \r
 313         @Override\r
 314         public void dragEnterEvent(QDragEnterEvent event) {\r
 315                 if (event.mimeData().hasFormat("application/x-nevernote-note")) {\r
 316                         event.accept();\r
 317                         return;\r
 318                 }\r
 319                 if (event.source() == this) {\r
 320                         event.mimeData().setData("application/x-nevernote-notebook", new QByteArray(currentItem().text(2)));\r
 321                         List<QTreeWidgetItem> selected = selectedItems();\r
 322                         for (int i=0; i<selected.size(); i++) {\r
 323                                 if (selected.get(i).text(2).equalsIgnoreCase("STACK") || \r
 324                                         selected.get(i).text(2).equals("")) {\r
 325                                                 event.ignore();\r
 326                                                 return;\r
 327                                         }\r
 328                         }\r
 329                         event.accept();\r
 330                         return;\r
 331                 }\r
 332                 event.ignore();\r
 333         }\r
 334         \r
 335         \r
 336          @Override\r
 337         protected void dragMoveEvent(QDragMoveEvent event) {\r
 338                // if (event.mimeData().hasFormat("text/plain") &&\r
 339                      //event.answerRect().intersects(dropFrame.geometry()))\r
 340                         QTreeWidgetItem treeItem = itemAt(event.pos().x(), event.pos().y());\r
 341                         if (treeItem != null) {\r
 342 /*                              if (!previousMouseOver.text(0).equalsIgnoreCase(treeItem.text(0))) {\r
 343                                         previousMouseOver.setSelected(previousMouseOverWasSelected);\r
 344                                         previousMouseOverWasSelected = treeItem.isSelected();\r
 345                                         previousMouseOver = treeItem;\r
 346                                         blockSignals(true);\r
 347                                         treeItem.setSelected(true);\r
 348                                         blockSignals(false);\r
 349                                 }\r
 350 */                              \r
 351                         }\r
 352                         if (event.mimeData().hasFormat("application/x-nevernote-note")) {\r
 353                                 if (event.answerRect().intersects(childrenRect()))\r
 354                                         event.acceptProposedAction();\r
 355                                 return;\r
 356                         }\r
 357             }\r
 358 \r
 359         \r
 360         @Override\r
 361         public boolean dropMimeData(QTreeWidgetItem parent, int index, QMimeData data, Qt.DropAction action) {\r
 362                 if (data.hasFormat("application/x-nevernote-notebook")) {\r
 363                         return false;\r
 364                 }\r
 365                 \r
 366                 if (data.hasFormat("application/x-nevernote-notebook")) {\r
 367                         QByteArray d = data.data("application/x-nevernote-notebook");\r
 368                         String current = d.toString();\r
 369                         \r
 370                         // If dropping to the top level, then remove the stack\r
 371                         if (parent == null) {\r
 372                                 db.getNotebookTable().clearStack(current);\r
 373                                 return true;\r
 374                         } \r
 375                         \r
 376                         // If trying to drop under the "All notebooks" then ignore\r
 377                         if (parent.text(2).equals(""))\r
 378                                 return false;\r
 379                         \r
 380                         \r
 381                         // If we are NOT droping directly onto the stack icon\r
 382                         // we need to find the stack widget\r
 383                         String stackName;\r
 384                         QTreeWidgetItem stackItem;\r
 385                         List<QTreeWidgetItem> currentItems = selectedItems();\r
 386                         if (!parent.text(2).equalsIgnoreCase("STACK")) {\r
 387                                 \r
 388                                 // If a parent stack exists, then use it.\r
 389                                 if (parent.parent() != null) {\r
 390                                         stackName = parent.parent().text(0);\r
 391                                         stackItem = parent.parent();\r
 392                                 } else {\r
 393                                         \r
 394                                         currentItems.add(parent);\r
 395                                         // If a stack doesn't exist, then we need to create one\r
 396                                         stackName = "New Stack";        \r
 397                                         // Find a new stack name that isn't in use\r
 398                                         for (int i=1; i<101; i++) {\r
 399                                                 if (stacks.containsKey(stackName))\r
 400                                                         stackName = "New Stack(" +new Integer(i).toString() + ")";\r
 401                                                 else\r
 402                                                         break;\r
 403                                         }\r
 404                                         db.getNotebookTable().setStack(parent.text(2), stackName);\r
 405                                         Qt.Alignment ra = new Qt.Alignment(Qt.AlignmentFlag.AlignRight);\r
 406                                         stackItem = createStackIcon(stackName, ra);\r
 407                                         addTopLevelItem(stackItem);\r
 408                                 }\r
 409                         } else {\r
 410                                 stackName = parent.text(0);\r
 411                                 stackItem = parent;\r
 412                         }\r
 413                         \r
 414                         List<QTreeWidgetItem> newItems = new ArrayList<QTreeWidgetItem>();\r
 415                         for (int i=0; i<currentItems.size(); i++) {\r
 416                                 newItems.add(copyTreeItem(currentItems.get(i)));\r
 417                                 currentItems.get(i).setHidden(true);\r
 418                         }\r
 419                         db.getNotebookTable().setStack(current, stackName);             \r
 420                         stackItem.addChildren(newItems);\r
 421                         \r
 422                         return true;\r
 423                 }\r
 424                 \r
 425                 \r
 426                 // If we are dropping a note onto a notebook\r
 427                 if (data.hasFormat("application/x-nevernote-note")) {\r
 428                         QByteArray d = data.data("application/x-nevernote-note");\r
 429                         String s = d.toString();\r
 430                         String noteGuidArray[] = s.split(" ");\r
 431                         for (String element : noteGuidArray) {\r
 432                                 if (!parent.text(0).equalsIgnoreCase("All Notebooks") && \r
 433                                                 !parent.text(2).equalsIgnoreCase("STACK"))\r
 434                                         noteSignal.notebookChanged.emit(element.trim(), parent.text(2));\r
 435                         }\r
 436                         return true;\r
 437                 }\r
 438                 return false;\r
 439         }\r
 440         \r
 441 \r
 442         private QTreeWidgetItem createStackIcon(String stackName, Qt.Alignment ra) {\r
 443                 String iconPath = new String("classpath:cx/fbn/nevernote/icons/");\r
 444                 QIcon stackIcon = new QIcon(iconPath+"books2.png");\r
 445                 QTreeWidgetItem parent = new QTreeWidgetItem();\r
 446                 stacks.put(stackName, parent);\r
 447                 parent.setText(0, stackName);\r
 448                 parent.setIcon(0, stackIcon);\r
 449                 parent.setText(2, "STACK");\r
 450                 parent.setTextAlignment(1, ra.value());\r
 451                 return parent;\r
 452         }\r
 453 \r
 454         \r
 455         \r
 456         // Copy an individual item within the tree.  I need to do this because\r
 457         // Qt doesn't call the dropMimeData on a move, just a copy.\r
 458         private QTreeWidgetItem copyTreeItem(QTreeWidgetItem source) {\r
 459                 QTreeWidgetItem target = new QTreeWidgetItem(this);\r
 460                 target.setText(0, source.text(0));\r
 461                 target.setIcon(0, source.icon(0));\r
 462                 target.setText(1, source.text(1));\r
 463                 target.setText(2, source.text(2));\r
 464                 Qt.Alignment ra = new Qt.Alignment(Qt.AlignmentFlag.AlignRight);\r
 465                 target.setTextAlignment(1, ra.value());\r
 466                 source.setHidden(true);\r
 467 \r
 468                 return target;\r
 469         }\r
 470 \r
 471 }\r