+ _DATA_PATHS = [
+ os.path.dirname(__file__),
+ os.path.join(os.path.dirname(__file__), "../share"),
+ os.path.join(os.path.dirname(__file__), "../data"),
+ '/usr/share/gonvert',
+ '/opt/gonvert/share',
+ ]
+
+ def __init__(self, app):
+ self._dataPath = ""
+ for dataPath in self._DATA_PATHS:
+ appIconPath = os.path.join(dataPath, "pixmaps", "gonvert.png")
+ if os.path.isfile(appIconPath):
+ self._dataPath = dataPath
+ break
+ else:
+ raise RuntimeError("UI Descriptor not found!")
+ self._app = app
+ self._appIconPath = appIconPath
+ self._recent = []
+ self._hiddenCategories = set()
+ self._hiddenUnits = {}
+ self._clipboard = QtGui.QApplication.clipboard()
+
+ self._jumpWindow = None
+ self._recentWindow = None
+ self._mainWindow = None
+ self._catWindow = None
+ self._quickWindow = None
+
+ self._on_jump_close = lambda obj = None: self._on_child_close("_jumpWindow", obj)
+ self._on_recent_close = lambda obj = None: self._on_child_close("_recentWindow", obj)
+ self._on_cat_close = lambda obj = None: self._on_child_close("_catWindow", obj)
+ self._on_quick_close = lambda obj = None: self._on_child_close("_quickWindow", obj)
+
+ self._condensedAction = QtGui.QAction(None)
+ self._condensedAction.setText("Condensed View")
+ self._condensedAction.setCheckable(True)
+ self._condensedAction.triggered.connect(self._on_condensed_start)
+
+ self._jumpAction = QtGui.QAction(None)
+ self._jumpAction.setText("Quick Jump")
+ self._jumpAction.setStatusTip("Search for a unit and jump straight to it")
+ self._jumpAction.setToolTip("Search for a unit and jump straight to it")
+ self._jumpAction.setShortcut(QtGui.QKeySequence("CTRL+j"))
+ self._jumpAction.triggered.connect(self._on_jump_start)
+
+ self._recentAction = QtGui.QAction(None)
+ self._recentAction.setText("Recent Units")
+ self._recentAction.setStatusTip("View the recent units")
+ self._recentAction.setToolTip("View the recent units")
+ self._recentAction.setShortcut(QtGui.QKeySequence("CTRL+r"))
+ self._recentAction.triggered.connect(self._on_recent_start)
+
+ self._fullscreenAction = QtGui.QAction(None)
+ self._fullscreenAction.setText("Fullscreen")
+ self._fullscreenAction.setCheckable(True)
+ self._fullscreenAction.setShortcut(QtGui.QKeySequence("CTRL+Enter"))
+ self._fullscreenAction.toggled.connect(self._on_toggle_fullscreen)
+
+ self._showFavoritesAction = QtGui.QAction(None)
+ self._showFavoritesAction.setCheckable(True)
+ self._showFavoritesAction.setText("Favorites Only")
+
+ self._logAction = QtGui.QAction(None)
+ self._logAction.setText("Log")
+ self._logAction.setShortcut(QtGui.QKeySequence("CTRL+l"))
+ self._logAction.triggered.connect(self._on_log)
+
+ self._quitAction = QtGui.QAction(None)
+ self._quitAction.setText("Quit")
+ self._quitAction.setShortcut(QtGui.QKeySequence("CTRL+q"))
+ self._quitAction.triggered.connect(self._on_quit)
+
+ self._app.lastWindowClosed.connect(self._on_app_quit)
+ self.load_settings()
+
+ self.request_category()
+ if self._recent:
+ self._mainWindow.select_category(self._recent[-1][0])
+
+ def request_category(self):
+ if self._mainWindow is not None:
+ self._mainWindow.hide()
+
+ if self._condensedAction.isChecked():
+ if self._quickWindow is None:
+ self._quickWindow = QuickConvert(None, self)
+ self._quickWindow.window.destroyed.connect(self._on_quick_close)
+ else:
+ self._quickWindow.show()
+ self._mainWindow = self._quickWindow
+ else:
+ if self._catWindow is None:
+ self._catWindow = CategoryWindow(None, self)
+ self._catWindow.window.destroyed.connect(self._on_cat_close)
+ else:
+ self._catWindow.window.show()
+ self._mainWindow = self._catWindow
+
+ return self._mainWindow
+
+ def search_units(self):
+ jumpWindow = QuickJump(None, self)
+ jumpWindow.window.destroyed.connect(self._on_jump_close)
+ self._fake_close_windows()
+ self._jumpWindow = jumpWindow
+ return self._jumpWindow
+
+ def show_recent(self):
+ recentWindow = Recent(None, self)
+ recentWindow.window.destroyed.connect(self._on_recent_close)
+ self._fake_close_windows()
+ self._recentWindow = recentWindow
+ return self._recentWindow
+
+ def add_recent(self, categoryName, unitName):
+ catUnit = categoryName, unitName
+ try:
+ self._recent.remove(catUnit)
+ except ValueError:
+ pass # ignore if its not already in the recent history
+ assert catUnit not in self._recent
+ self._recent.append(catUnit)
+
+ def get_recent_unit(self, categoryName, fromMostRecent = 0):
+ recentUnitName = ""
+ for catName, unitName in reversed(self._recent):
+ if catName == categoryName:
+ recentUnitName = unitName
+ if fromMostRecent <= 0:
+ break
+ else:
+ fromMostRecent -= 1
+ return recentUnitName
+
+ def get_recent(self):
+ return reversed(self._recent)
+
+ @property
+ def hiddenCategories(self):
+ return self._hiddenCategories
+
+ def get_hidden_units(self, categoryName):
+ try:
+ return self._hiddenUnits[categoryName]
+ except KeyError:
+ self._hiddenUnits[categoryName] = set()
+ return self._hiddenUnits[categoryName]
+
+ def load_settings(self):
+ try:
+ with open(constants._user_settings_, "r") as settingsFile:
+ settings = simplejson.load(settingsFile)
+ except IOError, e:
+ _moduleLogger.info("No settings")
+ settings = {}
+ except ValueError:
+ _moduleLogger.info("Settings were corrupt")
+ settings = {}
+
+ self._fullscreenAction.setChecked(settings.get("isFullScreen", False))
+
+ recent = settings.get("recent", self._recent)
+ for category, unit in recent:
+ self.add_recent(category, unit)
+
+ self._hiddenCategories = set(settings.get("hiddenCategories", set()))
+ self._hiddenUnits = dict(
+ (catName, set(units))
+ for (catName, units) in settings.get("hiddenUnits", {}).iteritems()
+ )
+
+ self._showFavoritesAction.setChecked(settings.get("showFavorites", True))
+
+ self._condensedAction.setChecked(settings.get("useQuick", self._condensedAction.isChecked()))
+
+ def save_settings(self):
+ settings = {
+ "isFullScreen": self._fullscreenAction.isChecked(),
+ "recent": self._recent,
+ "hiddenCategories": list(self._hiddenCategories),
+ "hiddenUnits": dict(
+ (catName, list(units))
+ for (catName, units) in self._hiddenUnits.iteritems()
+ ),
+ "showFavorites": self._showFavoritesAction.isChecked(),
+ "useQuick": self._condensedAction.isChecked(),
+ }
+ with open(constants._user_settings_, "w") as settingsFile:
+ simplejson.dump(settings, settingsFile)
+
+ @property
+ def appIconPath(self):
+ return self._appIconPath
+
+ @property
+ def jumpAction(self):
+ return self._jumpAction
+
+ @property
+ def recentAction(self):
+ return self._recentAction
+
+ @property
+ def fullscreenAction(self):
+ return self._fullscreenAction
+
+ @property
+ def condensedAction(self):
+ return self._condensedAction
+
+ @property
+ def logAction(self):
+ return self._logAction
+
+ @property
+ def quitAction(self):
+ return self._quitAction
+
+ @property
+ def showFavoritesAction(self):
+ return self._showFavoritesAction
+
+ def _walk_children(self):
+ if self._catWindow is not None:
+ yield self._catWindow
+ if self._quickWindow is not None:
+ yield self._quickWindow
+ if self._jumpWindow is not None:
+ yield self._jumpWindow
+ if self._recentWindow is not None:
+ yield self._recentWindow
+
+ def _fake_close_windows(self):
+ if self._catWindow is not None:
+ self._catWindow.hide()
+ if self._quickWindow is not None:
+ self._quickWindow.hide()
+ if self._jumpWindow is not None:
+ self._jumpWindow.disconnect(self._on_jump_close)
+ self._jumpWindow.close()
+ self._jumpWindow = None
+ if self._recentWindow is not None:
+ self._recentWindow.disconnect(self._on_recent_close)
+ self._recentWindow.close()
+ self._recentWindow = None
+
+ def _close_windows(self):
+ if self._catWindow is not None:
+ self._catWindow.disconnect(self._on_cat_close)
+ self._catWindow.close()
+ self._catWindow = None
+ if self._quickWindow is not None:
+ self._quickWindow.disconnect(self._on_quick_close)
+ self._quickWindow.close()
+ self._quickWindow = None
+ if self._jumpWindow is not None:
+ self._jumpWindow.disconnect(self._on_jump_close)
+ self._jumpWindow.close()
+ self._jumpWindow = None
+ if self._recentWindow is not None:
+ self._recentWindow.disconnect(self._on_recent_close)
+ self._recentWindow.close()
+ self._recentWindow = None
+
+ @misc_utils.log_exception(_moduleLogger)
+ def _on_app_quit(self, checked = False):
+ self.save_settings()
+
+ @misc_utils.log_exception(_moduleLogger)
+ def _on_child_close(self, name, obj = None):
+ if not hasattr(self, name):
+ _moduleLogger.info("Something weird going on when we don't have a %s" % name)
+ return
+ setattr(self, name, None)
+
+ @misc_utils.log_exception(_moduleLogger)
+ def _on_toggle_fullscreen(self, checked = False):
+ for window in self._walk_children():
+ window.set_fullscreen(checked)
+
+ @misc_utils.log_exception(_moduleLogger)
+ def _on_condensed_start(self, checked = False):
+ self.request_category()
+ if self._recent:
+ self._mainWindow.select_category(self._recent[-1][0])
+
+ @misc_utils.log_exception(_moduleLogger)
+ def _on_jump_start(self, checked = False):
+ self.search_units()
+
+ @misc_utils.log_exception(_moduleLogger)
+ def _on_recent_start(self, checked = False):
+ self.show_recent()
+
+ @misc_utils.log_exception(_moduleLogger)
+ def _on_log(self, checked = False):
+ with open(constants._user_logpath_, "r") as f:
+ logLines = f.xreadlines()
+ log = "".join(logLines)
+ self._clipboard.setText(log)
+
+ @misc_utils.log_exception(_moduleLogger)
+ def _on_quit(self, checked = False):
+ self._close_windows()
+
+
+class QuickJump(object):
+
+ MINIMAL_ENTRY = 3
+
+ def __init__(self, parent, app):
+ self._app = app
+
+ self._searchLabel = QtGui.QLabel("Search:")
+ self._searchEntry = QtGui.QLineEdit("")
+ self._searchEntry.textEdited.connect(self._on_search_edited)
+
+ self._entryLayout = QtGui.QHBoxLayout()
+ self._entryLayout.addWidget(self._searchLabel)
+ self._entryLayout.addWidget(self._searchEntry)
+
+ self._resultsBox = QtGui.QTreeWidget()
+ self._resultsBox.setHeaderLabels(["Categories", "Units"])
+ self._resultsBox.setHeaderHidden(True)
+ if not IS_MAEMO:
+ self._resultsBox.setAlternatingRowColors(True)
+ self._resultsBox.itemClicked.connect(self._on_result_clicked)
+
+ self._layout = QtGui.QVBoxLayout()
+ self._layout.addLayout(self._entryLayout)
+ self._layout.addWidget(self._resultsBox)
+
+ centralWidget = QtGui.QWidget()
+ centralWidget.setLayout(self._layout)
+
+ self._window = QtGui.QMainWindow(parent)
+ self._window.setAttribute(QtCore.Qt.WA_DeleteOnClose, True)
+ maeqt.set_autorient(self._window, True)
+ maeqt.set_stackable(self._window, True)
+ self._window.setWindowTitle("%s - Quick Jump" % constants.__pretty_app_name__)
+ self._window.setWindowIcon(QtGui.QIcon(self._app.appIconPath))
+ self._window.setCentralWidget(centralWidget)
+
+ self._closeWindowAction = QtGui.QAction(None)
+ self._closeWindowAction.setText("Close")
+ self._closeWindowAction.setShortcut(QtGui.QKeySequence("CTRL+w"))
+ self._closeWindowAction.triggered.connect(self._on_close_window)
+
+ if IS_MAEMO:
+ self._window.addAction(self._closeWindowAction)
+ self._window.addAction(self._app.quitAction)
+ self._window.addAction(self._app.fullscreenAction)
+ else:
+ fileMenu = self._window.menuBar().addMenu("&Units")
+ fileMenu.addAction(self._closeWindowAction)
+ fileMenu.addAction(self._app.quitAction)
+
+ viewMenu = self._window.menuBar().addMenu("&View")
+ viewMenu.addAction(self._app.fullscreenAction)
+
+ self._window.addAction(self._app.logAction)
+
+ self.set_fullscreen(self._app.fullscreenAction.isChecked())
+ self._window.show()
+
+ @property
+ def window(self):
+ return self._window
+
+ def show(self):
+ self._window.show()
+
+ def hide(self):
+ self._window.hide()
+
+ def close(self):
+ self._window.close()
+
+ def set_fullscreen(self, isFullscreen):
+ if isFullscreen:
+ self._window.showFullScreen()
+ else:
+ self._window.showNormal()
+
+ @misc_utils.log_exception(_moduleLogger)
+ def _on_close_window(self, checked = True):
+ self.close()
+
+ @misc_utils.log_exception(_moduleLogger)
+ def _on_result_clicked(self, item, columnIndex):
+ categoryName = unicode(item.text(0))
+ unitName = unicode(item.text(1))
+ catWindow = self._app.request_category()
+ unitsWindow = catWindow.select_category(categoryName)
+ unitsWindow.select_unit(unitName)
+ self.close()
+
+ @misc_utils.log_exception(_moduleLogger)
+ def _on_search_edited(self, *args):
+ userInput = self._searchEntry.text()
+ if len(userInput) < self.MINIMAL_ENTRY:
+ return
+
+ self._resultsBox.clear()
+ lowerInput = str(userInput).lower()
+ for catIndex, category in enumerate(unit_data.UNIT_CATEGORIES):
+ units = unit_data.get_units(category)
+ for unitIndex, unit in enumerate(units):
+ loweredUnit = unit.lower()
+ if lowerInput in loweredUnit:
+ twi = QtGui.QTreeWidgetItem(self._resultsBox)
+ twi.setText(0, category)
+ twi.setText(1, unit)
+
+
+class Recent(object):
+
+ def __init__(self, parent, app):
+ self._app = app
+
+ self._resultsBox = QtGui.QTreeWidget()
+ self._resultsBox.setHeaderLabels(["Categories", "Units"])
+ self._resultsBox.setHeaderHidden(True)
+ if not IS_MAEMO:
+ self._resultsBox.setAlternatingRowColors(True)
+ self._resultsBox.itemClicked.connect(self._on_result_clicked)
+
+ self._layout = QtGui.QVBoxLayout()
+ self._layout.addWidget(self._resultsBox)
+
+ centralWidget = QtGui.QWidget()
+ centralWidget.setLayout(self._layout)
+
+ self._window = QtGui.QMainWindow(parent)
+ self._window.setAttribute(QtCore.Qt.WA_DeleteOnClose, True)
+ maeqt.set_autorient(self._window, True)
+ maeqt.set_stackable(self._window, True)
+ self._window.setWindowTitle("%s - Recent" % constants.__pretty_app_name__)
+ self._window.setWindowIcon(QtGui.QIcon(self._app.appIconPath))
+ self._window.setCentralWidget(centralWidget)
+
+ for cat, unit in self._app.get_recent():
+ twi = QtGui.QTreeWidgetItem(self._resultsBox)
+ twi.setText(0, cat)
+ twi.setText(1, unit)
+
+ self._closeWindowAction = QtGui.QAction(None)
+ self._closeWindowAction.setText("Close")
+ self._closeWindowAction.setShortcut(QtGui.QKeySequence("CTRL+w"))
+ self._closeWindowAction.triggered.connect(self._on_close_window)
+
+ if IS_MAEMO:
+ self._window.addAction(self._closeWindowAction)
+ self._window.addAction(self._app.quitAction)
+ self._window.addAction(self._app.fullscreenAction)
+ else:
+ fileMenu = self._window.menuBar().addMenu("&Units")
+ fileMenu.addAction(self._closeWindowAction)
+ fileMenu.addAction(self._app.quitAction)
+
+ viewMenu = self._window.menuBar().addMenu("&View")
+ viewMenu.addAction(self._app.fullscreenAction)
+
+ self._window.addAction(self._app.logAction)
+
+ self.set_fullscreen(self._app.fullscreenAction.isChecked())
+ self._window.show()
+
+ @property
+ def window(self):
+ return self._window
+
+ def show(self):
+ self._window.show()
+
+ def hide(self):
+ self._window.hide()
+
+ def close(self):
+ self._window.close()
+
+ def set_fullscreen(self, isFullscreen):
+ if isFullscreen:
+ self._window.showFullScreen()
+ else:
+ self._window.showNormal()
+
+ @misc_utils.log_exception(_moduleLogger)
+ def _on_close_window(self, checked = True):
+ self.close()
+
+ @misc_utils.log_exception(_moduleLogger)
+ def _on_result_clicked(self, item, columnIndex):
+ categoryName = unicode(item.text(0))
+ unitName = unicode(item.text(1))
+ catWindow = self._app.request_category()
+ unitsWindow = catWindow.select_category(categoryName)
+ unitsWindow.select_unit(unitName)
+ self.close()
+
+
+class QuickConvert(object):
+
+ def __init__(self, parent, app):
+ self._app = app
+ self._categoryName = ""
+ self._inputUnitName = ""
+ self._outputUnitName = ""
+ self._unitNames = []
+ self._favoritesWindow = None
+
+ self._inputUnitValue = QtGui.QLineEdit()
+ self._inputUnitValue.setInputMethodHints(QtCore.Qt.ImhPreferNumbers)
+ self._inputUnitValue.textEdited.connect(self._on_value_edited)
+ self._inputUnitSymbol = QtGui.QLabel()
+
+ self._outputUnitValue = QtGui.QLabel()
+ self._outputUnitSymbol = QtGui.QLabel()
+
+ self._conversionLayout = QtGui.QHBoxLayout()
+ self._conversionLayout.addWidget(self._inputUnitValue)
+ self._conversionLayout.addWidget(self._inputUnitSymbol)
+ self._conversionLayout.addWidget(self._outputUnitValue)
+ self._conversionLayout.addWidget(self._outputUnitSymbol)
+
+ self._categoryView = QtGui.QTreeWidget()
+ self._categoryView.setHeaderLabels(["Categories"])
+ self._categoryView.setHeaderHidden(False)
+ if not IS_MAEMO:
+ self._categoryView.setAlternatingRowColors(True)
+ self._categoryView.setSelectionBehavior(QtGui.QAbstractItemView.SelectRows)
+ self._categoryView.setSelectionMode(QtGui.QAbstractItemView.SingleSelection)
+ for catName in unit_data.UNIT_CATEGORIES:
+ twi = QtGui.QTreeWidgetItem(self._categoryView)
+ twi.setText(0, catName)
+ self._categorySelection = self._categoryView.selectionModel()
+ self._categorySelection.selectionChanged.connect(self._on_category_selection_changed)
+
+ self._inputView = QtGui.QTreeWidget()
+ self._inputView.setHeaderLabels(["From", "Name"])
+ self._inputView.setHeaderHidden(False)
+ self._inputView.header().hideSection(1)
+ if not IS_MAEMO:
+ self._inputView.setAlternatingRowColors(True)
+ self._inputView.setSelectionBehavior(QtGui.QAbstractItemView.SelectRows)
+ self._inputView.setSelectionMode(QtGui.QAbstractItemView.SingleSelection)
+ self._inputSelection = self._inputView.selectionModel()
+ self._inputSelection.selectionChanged.connect(self._on_input_selection_changed)
+
+ self._outputView = QtGui.QTreeWidget()
+ self._outputView.setHeaderLabels(["To", "Name"])
+ self._outputView.setHeaderHidden(False)
+ self._outputView.header().hideSection(1)
+ if not IS_MAEMO:
+ self._outputView.setAlternatingRowColors(True)
+ self._outputView.setSelectionBehavior(QtGui.QAbstractItemView.SelectRows)
+ self._outputView.setSelectionMode(QtGui.QAbstractItemView.SingleSelection)
+ self._outputWidgets = []
+ self._outputSelection = self._outputView.selectionModel()
+ self._outputSelection.selectionChanged.connect(self._on_output_selection_changed)
+
+ self._selectionLayout = QtGui.QHBoxLayout()
+ self._selectionLayout.addWidget(self._categoryView)
+ self._selectionLayout.addWidget(self._inputView)
+ self._selectionLayout.addWidget(self._outputView)
+
+ self._layout = QtGui.QVBoxLayout()
+ self._layout.addLayout(self._conversionLayout)
+ self._layout.addLayout(self._selectionLayout)
+
+ centralWidget = QtGui.QWidget()
+ centralWidget.setLayout(self._layout)
+
+ self._window = QtGui.QMainWindow(parent)
+ self._window.setAttribute(QtCore.Qt.WA_DeleteOnClose, True)
+ maeqt.set_autorient(self._window, True)
+ maeqt.set_stackable(self._window, True)
+ self._window.setWindowTitle("%s - Quick Convert" % (constants.__pretty_app_name__, ))
+ self._window.setWindowIcon(QtGui.QIcon(app.appIconPath))
+ self._window.setCentralWidget(centralWidget)
+
+ self._chooseCatFavoritesAction = QtGui.QAction(None)
+ self._chooseCatFavoritesAction.setText("Select Categories")
+ self._chooseCatFavoritesAction.triggered.connect(self._on_choose_category_favorites)
+
+ self._chooseUnitFavoritesAction = QtGui.QAction(None)
+ self._chooseUnitFavoritesAction.setText("Select Units")
+ self._chooseUnitFavoritesAction.triggered.connect(self._on_choose_unit_favorites)
+ self._chooseUnitFavoritesAction.setEnabled(False)
+
+ self._app.showFavoritesAction.toggled.connect(self._on_show_favorites)
+
+ self._closeWindowAction = QtGui.QAction(None)
+ self._closeWindowAction.setText("Close Window")
+ self._closeWindowAction.setShortcut(QtGui.QKeySequence("CTRL+w"))
+ self._closeWindowAction.triggered.connect(self._on_close_window)
+
+ if IS_MAEMO:
+ self._window.addAction(self._closeWindowAction)
+ self._window.addAction(self._app.quitAction)
+ self._window.addAction(self._app.fullscreenAction)
+
+ fileMenu = self._window.menuBar().addMenu("&Units")
+ fileMenu.addAction(self._chooseCatFavoritesAction)
+ fileMenu.addAction(self._chooseUnitFavoritesAction)
+
+ viewMenu = self._window.menuBar().addMenu("&View")
+ viewMenu.addAction(self._app.showFavoritesAction)
+ viewMenu.addAction(self._app.condensedAction)
+ viewMenu.addSeparator()
+ viewMenu.addAction(self._app.jumpAction)
+ viewMenu.addAction(self._app.recentAction)
+ else:
+ fileMenu = self._window.menuBar().addMenu("&Units")
+ fileMenu.addAction(self._chooseCatFavoritesAction)
+ fileMenu.addAction(self._chooseUnitFavoritesAction)
+ fileMenu.addAction(self._closeWindowAction)
+ fileMenu.addAction(self._app.quitAction)
+
+ viewMenu = self._window.menuBar().addMenu("&View")
+ viewMenu.addAction(self._app.showFavoritesAction)
+ viewMenu.addAction(self._app.condensedAction)
+ viewMenu.addSeparator()
+ viewMenu.addAction(self._app.jumpAction)
+ viewMenu.addAction(self._app.recentAction)
+ viewMenu.addSeparator()
+ viewMenu.addAction(self._app.fullscreenAction)
+
+ self._window.addAction(self._app.logAction)
+
+ self._update_favorites()
+ self.set_fullscreen(self._app.fullscreenAction.isChecked())
+ self._window.show()
+
+ @property
+ def window(self):
+ return self._window
+
+ def show(self):
+ self._window.show()
+
+ def hide(self):
+ self._window.hide()
+
+ def close(self):
+ self._window.close()
+
+ def set_fullscreen(self, isFullscreen):
+ if isFullscreen:
+ self._window.showFullScreen()
+ else:
+ self._window.showNormal()
+
+ def select_category(self, categoryName):
+ self._inputUnitName = ""
+ self._outputUnitName = ""
+ self._inputUnitValue.setText("")
+ self._inputUnitSymbol.setText("")
+ self._inputView.clear()
+ self._outputUnitValue.setText("")
+ self._outputUnitSymbol.setText("")
+ self._outputView.clear()
+ self._categoryName = categoryName
+ self._chooseUnitFavoritesAction.setEnabled(True)
+
+ unitData = unit_data.UNIT_DESCRIPTIONS[categoryName]
+ self._unitNames = list(unit_data.get_units(categoryName))
+ self._unitNames.sort()
+ for key in self._unitNames:
+ conversion, unit, description = unitData[key]
+ if not unit:
+ unit = key
+
+ twi = QtGui.QTreeWidgetItem(self._inputView)
+ twi.setText(0, unit)
+ twi.setText(1, key)
+
+ twi = QtGui.QTreeWidgetItem(self._outputView)
+ twi.setText(0, unit)
+ twi.setText(1, key)
+
+ i = unit_data.UNIT_CATEGORIES.index(categoryName)
+ rootIndex = self._categoryView.rootIndex()
+ currentIndex = self._categoryView.model().index(i, 0, rootIndex)
+ self._categoryView.scrollTo(currentIndex)
+
+ defaultInputUnitName = self._app.get_recent_unit(categoryName)
+ if defaultInputUnitName:
+ self.select_input(defaultInputUnitName)
+ defaultOutputUnitName = self._app.get_recent_unit(categoryName, 1)
+ assert defaultOutputUnitName
+ self.select_output(defaultOutputUnitName)
+
+ return self
+
+ def select_unit(self, name):
+ self.select_input(name)
+
+ def select_input(self, name):
+ self._app.add_recent(self._categoryName, name)
+ self._inputUnitName = name
+
+ unitData = unit_data.UNIT_DESCRIPTIONS[self._categoryName]
+ conversion, unit, description = unitData[name]
+
+ self._inputUnitSymbol.setText(unit if unit else name)
+
+ i = self._unitNames.index(name)
+ rootIndex = self._inputView.rootIndex()
+ currentIndex = self._inputView.model().index(i, 0, rootIndex)
+ self._inputView.scrollTo(currentIndex)
+
+ if "" not in [self._categoryName, self._inputUnitName, self._outputUnitName]:
+ self._update_conversion()
+
+ def select_output(self, name):
+ # Add the output to recent but don't make things weird by making it the most recent
+ self._app.add_recent(self._categoryName, name)
+ self._app.add_recent(self._categoryName, self._inputUnitName)
+ self._outputUnitName = name
+
+ unitData = unit_data.UNIT_DESCRIPTIONS[self._categoryName]
+ conversion, unit, description = unitData[name]
+
+ self._outputUnitSymbol.setText(unit if unit else name)
+
+ i = self._unitNames.index(name)
+ rootIndex = self._outputView.rootIndex()
+ currentIndex = self._outputView.model().index(i, 0, rootIndex)
+ self._outputView.scrollTo(currentIndex)
+
+ if "" not in [self._categoryName, self._inputUnitName, self._outputUnitName]:
+ self._update_conversion()
+
+ def _sanitize_value(self, userEntry):
+ if self._categoryName == "Computer Numbers":
+ if userEntry == '':
+ value = '0'
+ else:
+ value = userEntry
+ else:
+ if userEntry == '':
+ value = 0.0
+ else:
+ value = float(userEntry)
+ return value
+
+ def _update_conversion(self):
+ assert self._categoryName
+ assert self._inputUnitName
+ assert self._outputUnitName
+
+ userInput = str(self._inputUnitValue.text())
+ value = self._sanitize_value(userInput)
+
+ unitData = unit_data.UNIT_DESCRIPTIONS[self._categoryName]
+ inputConversion, _, _ = unitData[self._inputUnitName]
+ outputConversion, _, _ = unitData[self._outputUnitName]
+
+ func, arg = inputConversion
+ base = func.to_base(value, arg)
+
+ func, arg = outputConversion
+ newValue = func.from_base(base, arg)
+ self._outputUnitValue.setText(str(newValue))
+
+ def _update_favorites(self):
+ if self._app.showFavoritesAction.isChecked():
+ assert self._categoryView.topLevelItemCount() == len(unit_data.UNIT_CATEGORIES)
+ for i, catName in enumerate(unit_data.UNIT_CATEGORIES):
+ if catName in self._app.hiddenCategories:
+ self._categoryView.setRowHidden(i, self._categoryView.rootIndex(), True)
+ else:
+ self._categoryView.setRowHidden(i, self._categoryView.rootIndex(), False)
+
+ for i, unitName in enumerate(self._unitNames):
+ if unitName in self._app.get_hidden_units(self._categoryName):
+ self._inputView.setRowHidden(i, self._inputView.rootIndex(), True)
+ self._outputView.setRowHidden(i, self._outputView.rootIndex(), True)
+ else:
+ self._inputView.setRowHidden(i, self._inputView.rootIndex(), False)
+ self._outputView.setRowHidden(i, self._outputView.rootIndex(), False)
+ else:
+ for i in xrange(self._categoryView.topLevelItemCount()):
+ self._categoryView.setRowHidden(i, self._categoryView.rootIndex(), False)
+
+ for i in xrange(len(self._unitNames)):
+ self._inputView.setRowHidden(i, self._inputView.rootIndex(), False)
+ self._outputView.setRowHidden(i, self._outputView.rootIndex(), False)
+
+ @misc_utils.log_exception(_moduleLogger)
+ def _on_close_window(self, checked = True):
+ self.close()