git.maemo.org Git - gonvert/blob - src/gonvert_qt.py

   1 #!/usr/bin/env python
   2 # -*- coding: UTF8 -*-
   3
   4 from __future__ import with_statement
   5
   6 import sys
   7 import os
   8 import math
   9 import simplejson
  10 import logging
  11
  12 from PyQt4 import QtGui
  13 from PyQt4 import QtCore
  14
  15 import constants
  16 from util import misc as misc_utils
  17 import unit_data
  18
  19
  20 _moduleLogger = logging.getLogger("gonvert_glade")
  21
  22
  23 IS_MAEMO = True
  24
  25
  26 def change_menu_label(widgets, labelname, newtext):
  27         item_label = widgets.get_widget(labelname).get_children()[0]
  28         item_label.set_text(newtext)
  29
  30
  31 def split_number(number):
  32         try:
  33                 fractional, integer = math.modf(number)
  34         except TypeError:
  35                 integerDisplay = number
  36                 fractionalDisplay = ""
  37         else:
  38                 integerDisplay = str(integer)
  39                 fractionalDisplay = str(fractional)
  40                 if "e+" in integerDisplay:
  41                         integerDisplay = number
  42                         fractionalDisplay = ""
  43                 elif "e-" in fractionalDisplay and 0.0 < integer:
  44                         integerDisplay = number
  45                         fractionalDisplay = ""
  46                 elif "e-" in fractionalDisplay:
  47                         integerDisplay = ""
  48                         fractionalDisplay = number
  49                 else:
  50                         integerDisplay = integerDisplay.split(".", 1)[0] + "."
  51                         fractionalDisplay = fractionalDisplay.rsplit(".", 1)[-1]
  52
  53         return integerDisplay, fractionalDisplay
  54
  55
  56 class Gonvert(object):
  57
  58         # @todo get subwindows working
  59         # @todo rotation support
  60
  61         _DATA_PATHS = [
  62                 os.path.dirname(__file__),
  63                 os.path.join(os.path.dirname(__file__), "../data"),
  64                 os.path.join(os.path.dirname(__file__), "../lib"),
  65                 '/usr/share/gonvert',
  66                 '/usr/lib/gonvert',
  67         ]
  68
  69         def __init__(self, app):
  70                 self._dataPath = ""
  71                 for dataPath in self._DATA_PATHS:
  72                         appIconPath = os.path.join(dataPath, "pixmaps", "gonvert.png")
  73                         if os.path.isfile(appIconPath):
  74                                 self._dataPath = dataPath
  75                                 break
  76                 else:
  77                         raise RuntimeError("UI Descriptor not found!")
  78                 self._app = app
  79                 self._appIconPath = appIconPath
  80                 self._recent = []
  81                 self._hiddenCategories = set()
  82                 self._hiddenUnits = {}
  83                 self._clipboard = QtGui.QApplication.clipboard()
  84
  85                 self._jumpWindow = None
  86                 self._recentWindow = None
  87                 self._catWindow = None
  88
  89                 self._jumpAction = QtGui.QAction(None)
  90                 self._jumpAction.setText("Quick Jump")
  91                 self._jumpAction.setStatusTip("Search for a unit and jump straight to it")
  92                 self._jumpAction.setToolTip("Search for a unit and jump straight to it")
  93                 self._jumpAction.setShortcut(QtGui.QKeySequence("CTRL+j"))
  94                 self._jumpAction.triggered.connect(self._on_jump_start)
  95
  96                 self._recentAction = QtGui.QAction(None)
  97                 self._recentAction.setText("Recent Units")
  98                 self._recentAction.setStatusTip("View the recent units")
  99                 self._recentAction.setToolTip("View the recent units")
 100                 self._recentAction.setShortcut(QtGui.QKeySequence("CTRL+r"))
 101                 self._recentAction.triggered.connect(self._on_recent_start)
 102
 103                 self._fullscreenAction = QtGui.QAction(None)
 104                 self._fullscreenAction.setText("Fullscreen")
 105                 self._fullscreenAction.setCheckable(True)
 106                 self._fullscreenAction.setShortcut(QtGui.QKeySequence("CTRL+Enter"))
 107                 self._fullscreenAction.toggled.connect(self._on_toggle_fullscreen)
 108
 109                 self._showFavoritesAction = QtGui.QAction(None)
 110                 self._showFavoritesAction.setCheckable(True)
 111                 self._showFavoritesAction.setText("Favorites Only")
 112
 113                 self._logAction = QtGui.QAction(None)
 114                 self._logAction.setText("Log")
 115                 self._logAction.setShortcut(QtGui.QKeySequence("CTRL+l"))
 116                 self._logAction.triggered.connect(self._on_log)
 117
 118                 self._quitAction = QtGui.QAction(None)
 119                 self._quitAction.setText("Quit")
 120                 self._quitAction.setShortcut(QtGui.QKeySequence("CTRL+q"))
 121                 self._quitAction.triggered.connect(self._on_quit)
 122
 123                 self._app.lastWindowClosed.connect(self._on_app_quit)
 124                 self.request_category()
 125                 self.load_settings()
 126
 127         def request_category(self):
 128                 if self._catWindow is not None:
 129                         self._catWindow.close()
 130                         self._catWindow = None
 131                 self._catWindow = CategoryWindow(None, self)
 132                 self._catWindow.window.destroyed.connect(lambda obj = None: self._on_child_close("_catWindow", obj))
 133                 return self._catWindow
 134
 135         def search_units(self):
 136                 if self._jumpWindow is not None:
 137                         self._jumpWindow.close()
 138                         self._jumpWindow = None
 139                 self._jumpWindow = QuickJump(None, self)
 140                 self._jumpWindow.window.destroyed.connect(lambda obj = None: self._on_child_close("_jumpWindow", obj))
 141                 return self._jumpWindow
 142
 143         def show_recent(self):
 144                 if self._recentWindow is not None:
 145                         self._recentWindow.close()
 146                         self._recentWindow = None
 147                 self._recentWindow = Recent(None, self)
 148                 self._recentWindow.window.destroyed.connect(lambda obj = None: self._on_child_close("_recentWindow", obj))
 149                 return self._recentWindow
 150
 151         def add_recent(self, categoryName, unitName):
 152                 catUnit = categoryName, unitName
 153                 try:
 154                         self._recent.remove(catUnit)
 155                 except ValueError:
 156                         pass # ignore if its not already in the recent history
 157                 assert catUnit not in self._recent
 158                 self._recent.append(catUnit)
 159
 160         def get_recent_unit(self, categoryName):
 161                 for catName, unitName in reversed(self._recent):
 162                         if catName == categoryName:
 163                                 return unitName
 164                 else:
 165                         return ""
 166
 167         def get_recent(self):
 168                 return reversed(self._recent)
 169
 170         @property
 171         def hiddenCategories(self):
 172                 return self._hiddenCategories
 173
 174         def get_hidden_units(self, categoryName):
 175                 try:
 176                         return self._hiddenUnits[categoryName]
 177                 except KeyError:
 178                         self._hiddenUnits[categoryName] = set()
 179                         return self._hiddenUnits[categoryName]
 180
 181         def load_settings(self):
 182                 try:
 183                         with open(constants._user_settings_, "r") as settingsFile:
 184                                 settings = simplejson.load(settingsFile)
 185                 except IOError, e:
 186                         _moduleLogger.info("No settings")
 187                         settings = {}
 188                 except ValueError:
 189                         _moduleLogger.info("Settings were corrupt")
 190                         settings = {}
 191
 192                 self._fullscreenAction.setChecked(settings.get("isFullScreen", False))
 193
 194                 recent = settings.get("recent", self._recent)
 195                 for category, unit in recent:
 196                         self.add_recent(category, unit)
 197
 198                 self._hiddenCategories = set(settings.get("hiddenCategories", set()))
 199                 self._hiddenUnits = dict(
 200                         (catName, set(units))
 201                         for (catName, units) in settings.get("hiddenUnits", {}).iteritems()
 202                 )
 203
 204                 self._showFavoritesAction.setChecked(settings.get("showFavorites", True))
 205
 206                 if self._recent:
 207                         self._catWindow.select_category(self._recent[-1][0])
 208
 209         def save_settings(self):
 210                 settings = {
 211                         "isFullScreen": self._fullscreenAction.isChecked(),
 212                         "recent": self._recent,
 213                         "hiddenCategories": list(self._hiddenCategories),
 214                         "hiddenUnits": dict(
 215                                 (catName, list(units))
 216                                 for (catName, units) in self._hiddenUnits.iteritems()
 217                         ),
 218                         "showFavorites": self._showFavoritesAction.isChecked(),
 219                 }
 220                 with open(constants._user_settings_, "w") as settingsFile:
 221                         simplejson.dump(settings, settingsFile)
 222
 223         @property
 224         def appIconPath(self):
 225                 return self._appIconPath
 226
 227         @property
 228         def jumpAction(self):
 229                 return self._jumpAction
 230
 231         @property
 232         def recentAction(self):
 233                 return self._recentAction
 234
 235         @property
 236         def fullscreenAction(self):
 237                 return self._fullscreenAction
 238
 239         @property
 240         def logAction(self):
 241                 return self._logAction
 242
 243         @property
 244         def quitAction(self):
 245                 return self._quitAction
 246
 247         @property
 248         def showFavoritesAction(self):
 249                 return self._showFavoritesAction
 250
 251         def _walk_children(self):
 252                 if self._catWindow is not None:
 253                         yield self._catWindow
 254                 if self._jumpWindow is not None:
 255                         yield self._jumpWindow
 256                 if self._recentWindow is not None:
 257                         yield self._recentWindow
 258
 259         @misc_utils.log_exception(_moduleLogger)
 260         def _on_app_quit(self, checked = False):
 261                 self.save_settings()
 262
 263         @misc_utils.log_exception(_moduleLogger)
 264         def _on_child_close(self, name, obj = None):
 265                 if not hasattr(self, name):
 266                         _moduleLogger.info("Something weird going on when we don't have a %s" % name)
 267                         return
 268                 setattr(self, name, None)
 269
 270         @misc_utils.log_exception(_moduleLogger)
 271         def _on_toggle_fullscreen(self, checked = False):
 272                 for window in self._walk_children():
 273                         window.set_fullscreen(checked)
 274
 275         @misc_utils.log_exception(_moduleLogger)
 276         def _on_jump_start(self, checked = False):
 277                 self.search_units()
 278
 279         @misc_utils.log_exception(_moduleLogger)
 280         def _on_recent_start(self, checked = False):
 281                 self.show_recent()
 282
 283         @misc_utils.log_exception(_moduleLogger)
 284         def _on_log(self, checked = False):
 285                 with open(constants._user_logpath_, "r") as f:
 286                         logLines = f.xreadlines()
 287                         log = "".join(logLines)
 288                         self._clipboard.setText(log)
 289
 290         @misc_utils.log_exception(_moduleLogger)
 291         def _on_quit(self, checked = False):
 292                 for window in self._walk_children():
 293                         window.close()
 294
 295
 296 class QuickJump(object):
 297
 298         MINIMAL_ENTRY = 3
 299
 300         def __init__(self, parent, app):
 301                 self._app = app
 302
 303                 self._searchLabel = QtGui.QLabel("Search:")
 304                 self._searchEntry = QtGui.QLineEdit("")
 305                 self._searchEntry.textEdited.connect(self._on_search_edited)
 306
 307                 self._entryLayout = QtGui.QHBoxLayout()
 308                 self._entryLayout.addWidget(self._searchLabel)
 309                 self._entryLayout.addWidget(self._searchEntry)
 310
 311                 self._resultsBox = QtGui.QTreeWidget()
 312                 self._resultsBox.setHeaderLabels(["Categories", "Units"])
 313                 self._resultsBox.setHeaderHidden(True)
 314                 if not IS_MAEMO:
 315                         self._resultsBox.setAlternatingRowColors(True)
 316                 self._resultsBox.itemClicked.connect(self._on_result_clicked)
 317
 318                 self._layout = QtGui.QVBoxLayout()
 319                 self._layout.addLayout(self._entryLayout)
 320                 self._layout.addWidget(self._resultsBox)
 321
 322                 centralWidget = QtGui.QWidget()
 323                 centralWidget.setLayout(self._layout)
 324
 325                 self._window = QtGui.QMainWindow(parent)
 326                 self._window.setAttribute(QtCore.Qt.WA_DeleteOnClose, True)
 327                 if parent is not None:
 328                         self._window.setWindowModality(QtCore.Qt.WindowModal)
 329                 self._window.setWindowTitle("%s - Quick Jump" % constants.__pretty_app_name__)
 330                 self._window.setWindowIcon(QtGui.QIcon(self._app.appIconPath))
 331                 self._window.setCentralWidget(centralWidget)
 332
 333                 self._closeWindowAction = QtGui.QAction(None)
 334                 self._closeWindowAction.setText("Close")
 335                 self._closeWindowAction.setShortcut(QtGui.QKeySequence("CTRL+w"))
 336                 self._closeWindowAction.triggered.connect(self._on_close_window)
 337
 338                 if IS_MAEMO:
 339                         self._window.addAction(self._closeWindowAction)
 340                         self._window.addAction(self._app.quitAction)
 341                         self._window.addAction(self._app.fullscreenAction)
 342                 else:
 343                         fileMenu = self._window.menuBar().addMenu("&Units")
 344                         fileMenu.addAction(self._closeWindowAction)
 345                         fileMenu.addAction(self._app.quitAction)
 346
 347                         viewMenu = self._window.menuBar().addMenu("&View")
 348                         viewMenu.addAction(self._app.fullscreenAction)
 349
 350                 self._window.addAction(self._app.logAction)
 351
 352                 self.set_fullscreen(self._app.fullscreenAction.isChecked())
 353                 self._window.show()
 354
 355         @property
 356         def window(self):
 357                 return self._window
 358
 359         def close(self):
 360                 self._window.close()
 361
 362         def set_fullscreen(self, isFullscreen):
 363                 if isFullscreen:
 364                         self._window.showFullScreen()
 365                 else:
 366                         self._window.showNormal()
 367
 368         @misc_utils.log_exception(_moduleLogger)
 369         def _on_close_window(self, checked = True):
 370                 self.close()
 371
 372         @misc_utils.log_exception(_moduleLogger)
 373         def _on_result_clicked(self, item, columnIndex):
 374                 categoryName = unicode(item.text(0))
 375                 unitName = unicode(item.text(1))
 376                 catWindow = self._app.request_category()
 377                 unitsWindow = catWindow.select_category(categoryName)
 378                 unitsWindow.select_unit(unitName)
 379                 self.close()
 380
 381         @misc_utils.log_exception(_moduleLogger)
 382         def _on_search_edited(self, *args):
 383                 userInput = self._searchEntry.text()
 384                 if len(userInput) <  self.MINIMAL_ENTRY:
 385                         return
 386
 387                 self._resultsBox.clear()
 388                 lowerInput = str(userInput).lower()
 389                 for catIndex, category in enumerate(unit_data.UNIT_CATEGORIES):
 390                         units = unit_data.get_units(category)
 391                         for unitIndex, unit in enumerate(units):
 392                                 loweredUnit = unit.lower()
 393                                 if lowerInput in loweredUnit:
 394                                         twi = QtGui.QTreeWidgetItem(self._resultsBox)
 395                                         twi.setText(0, category)
 396                                         twi.setText(1, unit)
 397
 398
 399 class Recent(object):
 400
 401         def __init__(self, parent, app):
 402                 self._app = app
 403
 404                 self._resultsBox = QtGui.QTreeWidget()
 405                 self._resultsBox.setHeaderLabels(["Categories", "Units"])
 406                 self._resultsBox.setHeaderHidden(True)
 407                 if not IS_MAEMO:
 408                         self._resultsBox.setAlternatingRowColors(True)
 409                 self._resultsBox.itemClicked.connect(self._on_result_clicked)
 410
 411                 self._layout = QtGui.QVBoxLayout()
 412                 self._layout.addWidget(self._resultsBox)
 413
 414                 centralWidget = QtGui.QWidget()
 415                 centralWidget.setLayout(self._layout)
 416
 417                 self._window = QtGui.QMainWindow(parent)
 418                 self._window.setAttribute(QtCore.Qt.WA_DeleteOnClose, True)
 419                 if parent is not None:
 420                         self._window.setWindowModality(QtCore.Qt.WindowModal)
 421                 self._window.setWindowTitle("%s - Recent" % constants.__pretty_app_name__)
 422                 self._window.setWindowIcon(QtGui.QIcon(self._app.appIconPath))
 423                 self._window.setCentralWidget(centralWidget)
 424
 425                 for cat, unit in self._app.get_recent():
 426                         twi = QtGui.QTreeWidgetItem(self._resultsBox)
 427                         twi.setText(0, cat)
 428                         twi.setText(1, unit)
 429
 430                 self._closeWindowAction = QtGui.QAction(None)
 431                 self._closeWindowAction.setText("Close")
 432                 self._closeWindowAction.setShortcut(QtGui.QKeySequence("CTRL+w"))
 433                 self._closeWindowAction.triggered.connect(self._on_close_window)
 434
 435                 if IS_MAEMO:
 436                         self._window.addAction(self._closeWindowAction)
 437                         self._window.addAction(self._app.quitAction)
 438                         self._window.addAction(self._app.fullscreenAction)
 439                 else:
 440                         fileMenu = self._window.menuBar().addMenu("&Units")
 441                         fileMenu.addAction(self._closeWindowAction)
 442                         fileMenu.addAction(self._app.quitAction)
 443
 444                         viewMenu = self._window.menuBar().addMenu("&View")
 445                         viewMenu.addAction(self._app.fullscreenAction)
 446
 447                 self._window.addAction(self._app.logAction)
 448
 449                 self.set_fullscreen(self._app.fullscreenAction.isChecked())
 450                 self._window.show()
 451
 452         @property
 453         def window(self):
 454                 return self._window
 455
 456         def close(self):
 457                 self._window.close()
 458
 459         def set_fullscreen(self, isFullscreen):
 460                 if isFullscreen:
 461                         self._window.showFullScreen()
 462                 else:
 463                         self._window.showNormal()
 464
 465         @misc_utils.log_exception(_moduleLogger)
 466         def _on_close_window(self, checked = True):
 467                 self.close()
 468
 469         @misc_utils.log_exception(_moduleLogger)
 470         def _on_result_clicked(self, item, columnIndex):
 471                 categoryName = unicode(item.text(0))
 472                 unitName = unicode(item.text(1))
 473                 catWindow = self._app.request_category()
 474                 unitsWindow = catWindow.select_category(categoryName)
 475                 unitsWindow.select_unit(unitName)
 476                 self.close()
 477
 478
 479 class FavoriteCategoriesWindow(object):
 480
 481         def __init__(self, parent, app, source, hidden):
 482                 self._app = app
 483                 self._source = list(source)
 484                 self._hidden = hidden
 485
 486                 self._categories = QtGui.QTreeWidget()
 487                 self._categories.setHeaderLabels(["Categories"])
 488                 self._categories.setHeaderHidden(True)
 489                 if not IS_MAEMO:
 490                         self._categories.setAlternatingRowColors(True)
 491                 self._categories.setSelectionBehavior(QtGui.QAbstractItemView.SelectRows)
 492                 self._categories.setSelectionMode(QtGui.QAbstractItemView.MultiSelection)
 493                 self._childWidgets = []
 494                 for catName in self._source:
 495                         twi = QtGui.QTreeWidgetItem(self._categories)
 496                         twi.setText(0, catName)
 497                         self._childWidgets.append(twi)
 498                         if catName not in self._hidden:
 499                                 self._categories.setItemSelected(twi, True)
 500                 self._selection = self._categories.selectionModel()
 501                 self._selection.selectionChanged.connect(self._on_selection_changed)
 502
 503                 self._allButton = QtGui.QPushButton("All")
 504                 self._allButton.clicked.connect(self._on_select_all)
 505                 self._invertButton = QtGui.QPushButton("Invert")
 506                 self._invertButton.clicked.connect(self._on_invert_selection)
 507                 self._noneButton = QtGui.QPushButton("None")
 508                 self._noneButton.clicked.connect(self._on_select_none)
 509
 510                 self._buttonLayout = QtGui.QHBoxLayout()
 511                 self._buttonLayout.addWidget(self._allButton)
 512                 self._buttonLayout.addWidget(self._invertButton)
 513                 self._buttonLayout.addWidget(self._noneButton)
 514
 515                 self._layout = QtGui.QVBoxLayout()
 516                 self._layout.addWidget(self._categories)
 517                 self._layout.addLayout(self._buttonLayout)
 518
 519                 centralWidget = QtGui.QWidget()
 520                 centralWidget.setLayout(self._layout)
 521
 522                 self._window = QtGui.QMainWindow(parent)
 523                 self._window.setAttribute(QtCore.Qt.WA_DeleteOnClose, True)
 524                 if parent is not None:
 525                         self._window.setWindowModality(QtCore.Qt.WindowModal)
 526                 self._window.setWindowTitle("%s - Favorites" % constants.__pretty_app_name__)
 527                 self._window.setWindowIcon(QtGui.QIcon(self._app.appIconPath))
 528                 self._window.setCentralWidget(centralWidget)
 529
 530                 self._closeWindowAction = QtGui.QAction(None)
 531                 self._closeWindowAction.setText("Close")
 532                 self._closeWindowAction.setShortcut(QtGui.QKeySequence("CTRL+w"))
 533                 self._closeWindowAction.triggered.connect(self._on_close_window)
 534
 535                 if IS_MAEMO:
 536                         self._window.addAction(self._closeWindowAction)
 537                         self._window.addAction(self._app.quitAction)
 538                         self._window.addAction(self._app.fullscreenAction)
 539                 else:
 540                         fileMenu = self._window.menuBar().addMenu("&Units")
 541                         fileMenu.addAction(self._closeWindowAction)
 542                         fileMenu.addAction(self._app.quitAction)
 543
 544                         viewMenu = self._window.menuBar().addMenu("&View")
 545                         viewMenu.addAction(self._app.fullscreenAction)
 546
 547                 self._window.addAction(self._app.logAction)
 548
 549                 self.set_fullscreen(self._app.fullscreenAction.isChecked())
 550                 self._window.show()
 551
 552         @property
 553         def window(self):
 554                 return self._window
 555
 556         def close(self):
 557                 self._window.close()
 558
 559         def set_fullscreen(self, isFullscreen):
 560                 if isFullscreen:
 561                         self._window.showFullScreen()
 562                 else:
 563                         self._window.showNormal()
 564
 565         @misc_utils.log_exception(_moduleLogger)
 566         def _on_select_all(self, checked = False):
 567                 for child in self._childWidgets:
 568                         self._categories.setItemSelected(child, True)
 569
 570         @misc_utils.log_exception(_moduleLogger)
 571         def _on_invert_selection(self, checked = False):
 572                 for child in self._childWidgets:
 573                         isSelected = self._categories.isItemSelected(child)
 574                         self._categories.setItemSelected(child, not isSelected)
 575
 576         @misc_utils.log_exception(_moduleLogger)
 577         def _on_select_none(self, checked = False):
 578                 for child in self._childWidgets:
 579                         self._categories.setItemSelected(child, False)
 580
 581         @misc_utils.log_exception(_moduleLogger)
 582         def _on_selection_changed(self, selected, deselected):
 583                 self._hidden.clear()
 584                 selectedNames = set(
 585                         str(item.text(0))
 586                         for item in self._categories.selectedItems()
 587                 )
 588                 for name in self._source:
 589                         if name not in selectedNames:
 590                                 self._hidden.add(name)
 591
 592         @misc_utils.log_exception(_moduleLogger)
 593         def _on_close_window(self, checked = True):
 594                 self.close()
 595
 596
 597 class CategoryWindow(object):
 598
 599         def __init__(self, parent, app):
 600                 self._app = app
 601                 self._unitWindow = None
 602                 self._favoritesWindow = None
 603
 604                 self._categories = QtGui.QTreeWidget()
 605                 self._categories.setHeaderLabels(["Categories"])
 606                 self._categories.itemClicked.connect(self._on_category_clicked)
 607                 self._categories.setHeaderHidden(True)
 608                 if not IS_MAEMO:
 609                         self._categories.setAlternatingRowColors(True)
 610                 for catName in unit_data.UNIT_CATEGORIES:
 611                         twi = QtGui.QTreeWidgetItem(self._categories)
 612                         twi.setText(0, catName)
 613
 614                 self._layout = QtGui.QVBoxLayout()
 615                 self._layout.addWidget(self._categories)
 616
 617                 centralWidget = QtGui.QWidget()
 618                 centralWidget.setLayout(self._layout)
 619
 620                 self._window = QtGui.QMainWindow(parent)
 621                 self._window.setAttribute(QtCore.Qt.WA_DeleteOnClose, True)
 622                 if parent is not None:
 623                         self._window.setWindowModality(QtCore.Qt.WindowModal)
 624                 self._window.setWindowTitle("%s - Categories" % constants.__pretty_app_name__)
 625                 self._window.setWindowIcon(QtGui.QIcon(self._app.appIconPath))
 626                 self._window.setCentralWidget(centralWidget)
 627
 628                 self._chooseFavoritesAction = QtGui.QAction(None)
 629                 self._chooseFavoritesAction.setText("Select Favorites")
 630                 self._chooseFavoritesAction.setShortcut(QtGui.QKeySequence("CTRL+f"))
 631                 self._chooseFavoritesAction.triggered.connect(self._on_choose_favorites)
 632
 633                 self._app.showFavoritesAction.toggled.connect(self._on_show_favorites)
 634
 635                 self._closeWindowAction = QtGui.QAction(None)
 636                 self._closeWindowAction.setText("Close")
 637                 self._closeWindowAction.setShortcut(QtGui.QKeySequence("CTRL+w"))
 638                 self._closeWindowAction.triggered.connect(self._on_close_window)
 639
 640                 if IS_MAEMO:
 641                         fileMenu = self._window.menuBar().addMenu("&Units")
 642                         fileMenu.addAction(self._chooseFavoritesAction)
 643
 644                         viewMenu = self._window.menuBar().addMenu("&View")
 645                         viewMenu.addAction(self._app.showFavoritesAction)
 646                         viewMenu.addSeparator()
 647                         viewMenu.addAction(self._app.jumpAction)
 648                         viewMenu.addAction(self._app.recentAction)
 649
 650                         self._window.addAction(self._closeWindowAction)
 651                         self._window.addAction(self._app.quitAction)
 652                         self._window.addAction(self._app.fullscreenAction)
 653                 else:
 654                         fileMenu = self._window.menuBar().addMenu("&Units")
 655                         fileMenu.addAction(self._chooseFavoritesAction)
 656                         fileMenu.addAction(self._closeWindowAction)
 657                         fileMenu.addAction(self._app.quitAction)
 658
 659                         viewMenu = self._window.menuBar().addMenu("&View")
 660                         viewMenu.addAction(self._app.showFavoritesAction)
 661                         viewMenu.addSeparator()
 662                         viewMenu.addAction(self._app.jumpAction)
 663                         viewMenu.addAction(self._app.recentAction)
 664                         viewMenu.addSeparator()
 665                         viewMenu.addAction(self._app.fullscreenAction)
 666
 667                 self._window.addAction(self._app.logAction)
 668
 669                 self._update_favorites()
 670                 self.set_fullscreen(self._app.fullscreenAction.isChecked())
 671                 self._window.show()
 672
 673         @property
 674         def window(self):
 675                 return self._window
 676
 677         def walk_children(self):
 678                 if self._unitWindow is not None:
 679                         yield self._unitWindow
 680                 if self._favoritesWindow is not None:
 681                         yield self._favoritesWindow
 682
 683         def close(self):
 684                 for child in self.walk_children():
 685                         child.close()
 686                 self._window.close()
 687
 688         def select_category(self, categoryName):
 689                 for child in self.walk_children():
 690                         child.close()
 691                 self._unitWindow = UnitWindow(self._window, categoryName, self._app)
 692                 self._unitWindow.window.destroyed.connect(self._on_child_close)
 693
 694                 i = unit_data.UNIT_CATEGORIES.index(categoryName)
 695                 rootIndex = self._categories.rootIndex()
 696                 currentIndex = self._categories.model().index(i, 0, rootIndex)
 697                 self._categories.scrollTo(currentIndex)
 698                 return self._unitWindow
 699
 700         def set_fullscreen(self, isFullscreen):
 701                 if isFullscreen:
 702                         self._window.showFullScreen()
 703                 else:
 704                         self._window.showNormal()
 705                 for child in self.walk_children():
 706                         child.set_fullscreen(isFullscreen)
 707
 708         def _update_favorites(self):
 709                 if self._app.showFavoritesAction.isChecked():
 710                         assert self._categories.topLevelItemCount() == len(unit_data.UNIT_CATEGORIES)
 711                         for i, catName in enumerate(unit_data.UNIT_CATEGORIES):
 712                                 if catName in self._app.hiddenCategories:
 713                                         self._categories.setRowHidden(i, self._categories.rootIndex(), True)
 714                                 else:
 715                                         self._categories.setRowHidden(i, self._categories.rootIndex(), False)
 716                 else:
 717                         for i in xrange(self._categories.topLevelItemCount()):
 718                                 self._categories.setRowHidden(i, self._categories.rootIndex(), False)
 719
 720         @misc_utils.log_exception(_moduleLogger)
 721         def _on_choose_favorites(self, obj = None):
 722                 assert self._favoritesWindow is None
 723                 self._favoritesWindow = FavoriteCategoriesWindow(
 724                         self._window,
 725                         self._app,
 726                         unit_data.UNIT_CATEGORIES,
 727                         self._app.hiddenCategories
 728                 )
 729                 self._favoritesWindow.window.destroyed.connect(self._on_close_favorites)
 730                 return self._favoritesWindow
 731
 732         @misc_utils.log_exception(_moduleLogger)
 733         def _on_show_favorites(self, checked = True):
 734                 if checked:
 735                         assert self._categories.topLevelItemCount() == len(unit_data.UNIT_CATEGORIES)
 736                         for i, catName in enumerate(unit_data.UNIT_CATEGORIES):
 737                                 if catName in self._app.hiddenCategories:
 738                                         self._categories.setRowHidden(i, self._categories.rootIndex(), True)
 739                 else:
 740                         for i in xrange(self._categories.topLevelItemCount()):
 741                                 self._categories.setRowHidden(i, self._categories.rootIndex(), False)
 742
 743         @misc_utils.log_exception(_moduleLogger)
 744         def _on_close_favorites(self, obj = None):
 745                 self._favoritesWindow = None
 746                 self._update_favorites()
 747
 748         @misc_utils.log_exception(_moduleLogger)
 749         def _on_child_close(self, obj = None):
 750                 self._unitWindow = None
 751
 752         @misc_utils.log_exception(_moduleLogger)
 753         def _on_close_window(self, checked = True):
 754                 self.close()
 755
 756         @misc_utils.log_exception(_moduleLogger)
 757         def _on_category_clicked(self, item, columnIndex):
 758                 categoryName = unicode(item.text(0))
 759                 self.select_category(categoryName)
 760
 761
 762 class UnitData(object):
 763
 764         HEADERS = ["Name", "Value", "", "Unit"]
 765         ALIGNMENT = [QtCore.Qt.AlignLeft, QtCore.Qt.AlignRight, QtCore.Qt.AlignLeft, QtCore.Qt.AlignLeft]
 766         NAME_COLUMN = 0
 767         VALUE_COLUMN_0 = 1
 768         VALUE_COLUMN_1 = 2
 769         UNIT_COLUMN = 3
 770
 771         def __init__(self, name, unit, description, conversion):
 772                 self._name = name
 773                 self._unit = unit
 774                 self._description = description
 775                 self._conversion = conversion
 776
 777                 self._value = 0.0
 778                 self._integerDisplay, self._fractionalDisplay = split_number(self._value)
 779
 780         @property
 781         def name(self):
 782                 return self._name
 783
 784         @property
 785         def value(self):
 786                 return self._value
 787
 788         def update_value(self, newValue):
 789                 self._value = newValue
 790                 self._integerDisplay, self._fractionalDisplay = split_number(newValue)
 791
 792         @property
 793         def unit(self):
 794                 return self._unit
 795
 796         @property
 797         def conversion(self):
 798                 return self._conversion
 799
 800         def data(self, column):
 801                 try:
 802                         return [self._name, self._integerDisplay, self._fractionalDisplay, self._unit][column]
 803                 except IndexError:
 804                         return None
 805
 806
 807 class UnitModel(QtCore.QAbstractItemModel):
 808
 809         def __init__(self, categoryName, parent=None):
 810                 super(UnitModel, self).__init__(parent)
 811                 self._categoryName = categoryName
 812                 self._unitData = unit_data.UNIT_DESCRIPTIONS[self._categoryName]
 813
 814                 self._children = []
 815                 for key in unit_data.get_units(self._categoryName):
 816                         conversion, unit, description = self._unitData[key]
 817                         self._children.append(UnitData(key, unit, description, conversion))
 818                 self._sortSettings = None
 819
 820         @misc_utils.log_exception(_moduleLogger)
 821         def columnCount(self, parent):
 822                 if parent.isValid():
 823                         return 0
 824                 else:
 825                         return len(UnitData.HEADERS)
 826
 827         @misc_utils.log_exception(_moduleLogger)
 828         def data(self, index, role):
 829                 if not index.isValid():
 830                         return None
 831                 elif role == QtCore.Qt.TextAlignmentRole:
 832                         return UnitData.ALIGNMENT[index.column()]
 833                 elif role != QtCore.Qt.DisplayRole:
 834                         return None
 835
 836                 item = index.internalPointer()
 837                 if isinstance(item, UnitData):
 838                         return item.data(index.column())
 839                 elif item is UnitData.HEADERS:
 840                         return item[index.column()]
 841
 842         @misc_utils.log_exception(_moduleLogger)
 843         def sort(self, column, order = QtCore.Qt.AscendingOrder):
 844                 self._sortSettings = column, order
 845                 isReverse = order == QtCore.Qt.AscendingOrder
 846                 if column == UnitData.NAME_COLUMN:
 847                         key_func = lambda item: item.name
 848                 elif column in [UnitData.VALUE_COLUMN_0, UnitData.VALUE_COLUMN_1]:
 849                         key_func = lambda item: item.value
 850                 elif column == UnitData.UNIT_COLUMN:
 851                         key_func = lambda item: item.unit
 852                 self._children.sort(key=key_func, reverse = isReverse)
 853
 854                 self._all_changed()
 855
 856         @misc_utils.log_exception(_moduleLogger)
 857         def flags(self, index):
 858                 if not index.isValid():
 859                         return QtCore.Qt.NoItemFlags
 860
 861                 return QtCore.Qt.ItemIsEnabled | QtCore.Qt.ItemIsSelectable
 862
 863         @misc_utils.log_exception(_moduleLogger)
 864         def headerData(self, section, orientation, role):
 865                 if orientation == QtCore.Qt.Horizontal and role == QtCore.Qt.DisplayRole:
 866                         return UnitData.HEADERS[section]
 867
 868                 return None
 869
 870         @misc_utils.log_exception(_moduleLogger)
 871         def index(self, row, column, parent):
 872                 if not self.hasIndex(row, column, parent):
 873                         return QtCore.QModelIndex()
 874
 875                 if parent.isValid():
 876                         return QtCore.QModelIndex()
 877
 878                 parentItem = UnitData.HEADERS
 879                 childItem = self._children[row]
 880                 if childItem:
 881                         return self.createIndex(row, column, childItem)
 882                 else:
 883                         return QtCore.QModelIndex()
 884
 885         @misc_utils.log_exception(_moduleLogger)
 886         def parent(self, index):
 887                 if not index.isValid():
 888                         return QtCore.QModelIndex()
 889
 890                 childItem = index.internalPointer()
 891                 if isinstance(childItem, UnitData):
 892                         return QtCore.QModelIndex()
 893                 elif childItem is UnitData.HEADERS:
 894                         return None
 895
 896         @misc_utils.log_exception(_moduleLogger)
 897         def rowCount(self, parent):
 898                 if 0 < parent.column():
 899                         return 0
 900
 901                 if not parent.isValid():
 902                         return len(self._children)
 903                 else:
 904                         return len(self._children)
 905
 906         def get_unit(self, index):
 907                 assert 0 <= index
 908                 return self._children[index]
 909
 910         def get_unit_names(self):
 911                 for child in self._children:
 912                         yield child.name
 913
 914         def index_unit(self, unitName):
 915                 for i, child in enumerate(self._children):
 916                         if child.name == unitName:
 917                                 return i
 918                 else:
 919                         raise RuntimeError("Unit not found")
 920
 921         def update_values(self, fromIndex, userInput):
 922                 value = self._sanitize_value(userInput)
 923                 func, arg = self._children[fromIndex].conversion
 924                 base = func.to_base(value, arg)
 925                 for i, child in enumerate(self._children):
 926                         if i == fromIndex:
 927                                 continue
 928                         func, arg = child.conversion
 929                         newValue = func.from_base(base, arg)
 930                         child.update_value(newValue)
 931
 932                 if (
 933                         self._sortSettings is not None and
 934                         self._sortSettings[0]  in [UnitData.VALUE_COLUMN_0, UnitData.VALUE_COLUMN_1]
 935                 ):
 936                         self.sort(*self._sortSettings)
 937                         self._all_changed()
 938                 else:
 939                         self._values_changed()
 940
 941         def __len__(self):
 942                 return len(self._children)
 943
 944         def _values_changed(self):
 945                 topLeft = self.createIndex(0, UnitData.VALUE_COLUMN_0, self._children[0])
 946                 bottomRight = self.createIndex(len(self._children)-1, UnitData.VALUE_COLUMN_1, self._children[-1])
 947                 self.dataChanged.emit(topLeft, bottomRight)
 948
 949         def _all_changed(self):
 950                 topLeft = self.createIndex(0, 0, self._children[0])
 951                 bottomRight = self.createIndex(len(self._children)-1, len(UnitData.HEADERS)-1, self._children[-1])
 952                 self.dataChanged.emit(topLeft, bottomRight)
 953
 954         def _sanitize_value(self, userEntry):
 955                 if self._categoryName == "Computer Numbers":
 956                         if userEntry == '':
 957                                 value = '0'
 958                         else:
 959                                 value = userEntry
 960                 else:
 961                         if userEntry == '':
 962                                 value = 0.0
 963                         else:
 964                                 value = float(userEntry)
 965                 return value
 966
 967
 968 class UnitWindow(object):
 969
 970         def __init__(self, parent, category, app):
 971                 self._app = app
 972                 self._categoryName = category
 973                 self._selectedIndex = 0
 974                 self._favoritesWindow = None
 975
 976                 self._selectedUnitName = QtGui.QLabel()
 977                 self._selectedUnitValue = QtGui.QLineEdit()
 978                 self._selectedUnitValue.textEdited.connect(self._on_value_edited)
 979                 self._selectedUnitSymbol = QtGui.QLabel()
 980
 981                 self._selectedUnitLayout = QtGui.QHBoxLayout()
 982                 self._selectedUnitLayout.addWidget(self._selectedUnitName)
 983                 self._selectedUnitLayout.addWidget(self._selectedUnitValue)
 984                 self._selectedUnitLayout.addWidget(self._selectedUnitSymbol)
 985
 986                 self._unitsModel = UnitModel(self._categoryName)
 987                 self._unitsView = QtGui.QTreeView()
 988                 self._unitsView.setModel(self._unitsModel)
 989                 self._unitsView.clicked.connect(self._on_unit_clicked)
 990                 self._unitsView.setUniformRowHeights(True)
 991                 self._unitsView.setSortingEnabled(True)
 992                 self._unitsView.setTextElideMode(QtCore.Qt.ElideNone)
 993                 self._unitsView.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
 994                 if not IS_MAEMO:
 995                         self._unitsView.setAlternatingRowColors(True)
 996                 if True:
 997                         self._unitsView.setHeaderHidden(True)
 998
 999                 viewHeader = self._unitsView.header()
1000                 viewHeader.setSortIndicatorShown(True)
1001                 viewHeader.setClickable(True)
1002
1003                 viewHeader.setResizeMode(UnitData.NAME_COLUMN, QtGui.QHeaderView.ResizeToContents)
1004                 viewHeader.setResizeMode(UnitData.VALUE_COLUMN_0, QtGui.QHeaderView.ResizeToContents)
1005                 viewHeader.setResizeMode(UnitData.VALUE_COLUMN_1, QtGui.QHeaderView.ResizeToContents)
1006                 viewHeader.setResizeMode(UnitData.UNIT_COLUMN, QtGui.QHeaderView.ResizeToContents)
1007                 viewHeader.setStretchLastSection(False)
1008
1009                 # Trying to make things faster by locking in the initial size of the immutable columns
1010                 nameSize = viewHeader.sectionSize(UnitData.NAME_COLUMN)
1011                 viewHeader.setResizeMode(UnitData.NAME_COLUMN, QtGui.QHeaderView.Fixed)
1012                 viewHeader.resizeSection(UnitData.NAME_COLUMN, nameSize)
1013                 unitSize = viewHeader.sectionSize(UnitData.UNIT_COLUMN)
1014                 viewHeader.setResizeMode(UnitData.UNIT_COLUMN, QtGui.QHeaderView.Fixed)
1015                 viewHeader.resizeSection(UnitData.UNIT_COLUMN, unitSize)
1016
1017                 self._layout = QtGui.QVBoxLayout()
1018                 self._layout.addLayout(self._selectedUnitLayout)
1019                 self._layout.addWidget(self._unitsView)
1020
1021                 centralWidget = QtGui.QWidget()
1022                 centralWidget.setLayout(self._layout)
1023
1024                 self._window = QtGui.QMainWindow(parent)
1025                 self._window.setAttribute(QtCore.Qt.WA_DeleteOnClose, True)
1026                 if parent is not None:
1027                         self._window.setWindowModality(QtCore.Qt.WindowModal)
1028                 self._window.setWindowTitle("%s - %s" % (constants.__pretty_app_name__, category))
1029                 self._window.setWindowIcon(QtGui.QIcon(app.appIconPath))
1030                 self._window.setCentralWidget(centralWidget)
1031
1032                 defaultUnitName = self._app.get_recent_unit(self._categoryName)
1033                 if defaultUnitName:
1034                         self.select_unit(defaultUnitName)
1035                 else:
1036                         self._select_unit(0)
1037                 self._unitsModel.sort(UnitData.NAME_COLUMN)
1038
1039                 self._sortActionGroup = QtGui.QActionGroup(None)
1040                 self._sortByNameAction = QtGui.QAction(self._sortActionGroup)
1041                 self._sortByNameAction.setText("Sort By Name")
1042                 self._sortByNameAction.setStatusTip("Sort the units by name")
1043                 self._sortByNameAction.setToolTip("Sort the units by name")
1044                 self._sortByNameAction.setCheckable(True)
1045                 self._sortByValueAction = QtGui.QAction(self._sortActionGroup)
1046                 self._sortByValueAction.setText("Sort By Value")
1047                 self._sortByValueAction.setStatusTip("Sort the units by value")
1048                 self._sortByValueAction.setToolTip("Sort the units by value")
1049                 self._sortByValueAction.setCheckable(True)
1050                 self._sortByUnitAction = QtGui.QAction(self._sortActionGroup)
1051                 self._sortByUnitAction.setText("Sort By Unit")
1052                 self._sortByUnitAction.setStatusTip("Sort the units by unit")
1053                 self._sortByUnitAction.setToolTip("Sort the units by unit")
1054                 self._sortByUnitAction.setCheckable(True)
1055
1056                 self._sortByValueAction.setChecked(True)
1057
1058                 self._chooseFavoritesAction = QtGui.QAction(None)
1059                 self._chooseFavoritesAction.setText("Select Favorites")
1060                 self._chooseFavoritesAction.setShortcut(QtGui.QKeySequence("CTRL+f"))
1061                 self._chooseFavoritesAction.triggered.connect(self._on_choose_favorites)
1062
1063                 self._app.showFavoritesAction.toggled.connect(self._on_show_favorites)
1064
1065                 self._previousUnitAction = QtGui.QAction(None)
1066                 self._previousUnitAction.setText("Previous Unit")
1067                 self._previousUnitAction.setShortcut(QtGui.QKeySequence("Up"))
1068                 self._previousUnitAction.triggered.connect(self._on_previous_unit)
1069
1070                 self._nextUnitAction = QtGui.QAction(None)
1071                 self._nextUnitAction.setText("Next Unit")
1072                 self._nextUnitAction.setShortcut(QtGui.QKeySequence("Down"))
1073                 self._nextUnitAction.triggered.connect(self._on_next_unit)
1074
1075                 self._closeWindowAction = QtGui.QAction(None)
1076                 self._closeWindowAction.setText("Close Window")
1077                 self._closeWindowAction.setShortcut(QtGui.QKeySequence("CTRL+w"))
1078                 self._closeWindowAction.triggered.connect(self._on_close_window)
1079
1080                 if IS_MAEMO:
1081                         self._window.addAction(self._closeWindowAction)
1082                         self._window.addAction(self._app.quitAction)
1083                         self._window.addAction(self._app.fullscreenAction)
1084
1085                         fileMenu = self._window.menuBar().addMenu("&Units")
1086                         fileMenu.addAction(self._chooseFavoritesAction)
1087
1088                         viewMenu = self._window.menuBar().addMenu("&View")
1089                         viewMenu.addAction(self._app.showFavoritesAction)
1090                         viewMenu.addSeparator()
1091                         viewMenu.addAction(self._sortByNameAction)
1092                         viewMenu.addAction(self._sortByValueAction)
1093                         viewMenu.addAction(self._sortByUnitAction)
1094                         viewMenu.addSeparator()
1095                         viewMenu.addAction(self._app.jumpAction)
1096                         viewMenu.addAction(self._app.recentAction)
1097                 else:
1098                         fileMenu = self._window.menuBar().addMenu("&Units")
1099                         fileMenu.addAction(self._chooseFavoritesAction)
1100                         fileMenu.addAction(self._closeWindowAction)
1101                         fileMenu.addAction(self._app.quitAction)
1102
1103                         viewMenu = self._window.menuBar().addMenu("&View")
1104                         viewMenu.addAction(self._app.showFavoritesAction)
1105                         viewMenu.addSeparator()
1106                         viewMenu.addAction(self._sortByNameAction)
1107                         viewMenu.addAction(self._sortByValueAction)
1108                         viewMenu.addAction(self._sortByUnitAction)
1109                         viewMenu.addSeparator()
1110                         viewMenu.addAction(self._app.jumpAction)
1111                         viewMenu.addAction(self._app.recentAction)
1112                         viewMenu.addSeparator()
1113                         viewMenu.addAction(self._app.fullscreenAction)
1114
1115                 self._sortByNameAction.triggered.connect(self._on_sort_by_name)
1116                 self._sortByValueAction.triggered.connect(self._on_sort_by_value)
1117                 self._sortByUnitAction.triggered.connect(self._on_sort_by_unit)
1118
1119                 self._window.addAction(self._app.logAction)
1120                 self._window.addAction(self._nextUnitAction)
1121                 self._window.addAction(self._previousUnitAction)
1122                 self._window.addAction(self._chooseFavoritesAction)
1123
1124                 self._update_favorites()
1125                 self.set_fullscreen(self._app.fullscreenAction.isChecked())
1126                 self._window.show()
1127
1128         @property
1129         def window(self):
1130                 return self._window
1131
1132         def close(self):
1133                 for child in self.walk_children():
1134                         child.close()
1135                 self._window.close()
1136
1137         def set_fullscreen(self, isFullscreen):
1138                 if isFullscreen:
1139                         self._window.showFullScreen()
1140                 else:
1141                         self._window.showNormal()
1142
1143         def select_unit(self, unitName):
1144                 index = self._unitsModel.index_unit(unitName)
1145                 self._select_unit(index)
1146
1147         def walk_children(self):
1148                 if self._favoritesWindow is not None:
1149                         yield self._favoritesWindow
1150
1151         def _update_favorites(self, force = False):
1152                 if self._app.showFavoritesAction.isChecked():
1153                         unitNames = list(self._unitsModel.get_unit_names())
1154                         for i, unitName in enumerate(unitNames):
1155                                 if unitName in self._app.get_hidden_units(self._categoryName):
1156                                         self._unitsView.setRowHidden(i, self._unitsView.rootIndex(), True)
1157                                 else:
1158                                         self._unitsView.setRowHidden(i, self._unitsView.rootIndex(), False)
1159                 else:
1160                         if force:
1161                                 for i in xrange(len(self._unitsModel)):
1162                                         self._unitsView.setRowHidden(i, self._unitsView.rootIndex(), False)
1163
1164         @misc_utils.log_exception(_moduleLogger)
1165         def _on_choose_favorites(self, obj = None):
1166                 assert self._favoritesWindow is None
1167                 self._favoritesWindow = FavoriteCategoriesWindow(
1168                         self._window,
1169                         self._app,
1170                         unit_data.get_units(self._categoryName),
1171                         self._app.get_hidden_units(self._categoryName)
1172                 )
1173                 self._favoritesWindow.window.destroyed.connect(self._on_close_favorites)
1174                 return self._favoritesWindow
1175
1176         @misc_utils.log_exception(_moduleLogger)
1177         def _on_show_favorites(self, checked = True):
1178                 if checked:
1179                         unitNames = list(self._unitsModel.get_unit_names())
1180                         for i, unitName in enumerate(unitNames):
1181                                 if unitName in self._app.get_hidden_units(self._categoryName):
1182                                         self._unitsView.setRowHidden(i, self._unitsView.rootIndex(), True)
1183                 else:
1184                         for i in xrange(len(self._unitsModel)):
1185                                 self._unitsView.setRowHidden(i, self._unitsView.rootIndex(), False)
1186
1187         @misc_utils.log_exception(_moduleLogger)
1188         def _on_close_favorites(self, obj = None):
1189                 self._favoritesWindow = None
1190                 self._update_favorites(force=True)
1191
1192         @misc_utils.log_exception(_moduleLogger)
1193         def _on_previous_unit(self, checked = True):
1194                 self._select_unit(self._selectedIndex - 1)
1195
1196         @misc_utils.log_exception(_moduleLogger)
1197         def _on_next_unit(self, checked = True):
1198                 self._select_unit(self._selectedIndex + 1)
1199
1200         @misc_utils.log_exception(_moduleLogger)
1201         def _on_close_window(self, checked = True):
1202                 self.close()
1203
1204         @misc_utils.log_exception(_moduleLogger)
1205         def _on_sort_by_name(self, checked = False):
1206                 self._unitsModel.sort(UnitData.NAME_COLUMN, QtCore.Qt.DescendingOrder)
1207
1208         @misc_utils.log_exception(_moduleLogger)
1209         def _on_sort_by_value(self, checked = False):
1210                 self._unitsModel.sort(UnitData.VALUE_COLUMN_0)
1211
1212         @misc_utils.log_exception(_moduleLogger)
1213         def _on_sort_by_unit(self, checked = False):
1214                 self._unitsModel.sort(UnitData.UNIT_COLUMN, QtCore.Qt.DescendingOrder)
1215
1216         @misc_utils.log_exception(_moduleLogger)
1217         def _on_unit_clicked(self, index):
1218                 self._select_unit(index.row())
1219
1220         @misc_utils.log_exception(_moduleLogger)
1221         def _on_value_edited(self, *args):
1222                 userInput = self._selectedUnitValue.text()
1223                 self._unitsModel.update_values(self._selectedIndex, str(userInput))
1224                 self._update_favorites()
1225
1226         def _select_unit(self, index):
1227                 unit = self._unitsModel.get_unit(index)
1228                 self._selectedUnitName.setText(unit.name)
1229                 self._selectedUnitValue.setText(str(unit.value))
1230                 self._selectedUnitSymbol.setText(unit.unit)
1231
1232                 self._selectedIndex = index
1233                 qindex = self._unitsModel.createIndex(index, 0, self._unitsModel.get_unit(index))
1234                 self._unitsView.scrollTo(qindex)
1235                 self._app.add_recent(self._categoryName, self._unitsModel.get_unit(index).name)
1236
1237
1238 def run_gonvert():
1239         app = QtGui.QApplication([])
1240         handle = Gonvert(app)
1241         return app.exec_()
1242
1243
1244 if __name__ == "__main__":
1245         logging.basicConfig(level = logging.DEBUG)
1246         try:
1247                 os.makedirs(constants._data_path_)
1248         except OSError, e:
1249                 if e.errno != 17:
1250                         raise
1251
1252         val = run_gonvert()
1253         sys.exit(val)