X-Git-Url: http://git.maemo.org/git/?p=gonvert;a=blobdiff_plain;f=gonvert%2Fgonvert_qt.py;fp=gonvert%2Fgonvert_qt.py;h=aa3d7e591b8d13f50679c15925e561d78065af51;hp=0000000000000000000000000000000000000000;hb=18df79328b4665753f6d41d549ab991e060bb39d;hpb=f68aa1f2965ce6bfe8f76325b44436c826cb68fd diff --git a/gonvert/gonvert_qt.py b/gonvert/gonvert_qt.py new file mode 100755 index 0000000..aa3d7e5 --- /dev/null +++ b/gonvert/gonvert_qt.py @@ -0,0 +1,1577 @@ +#!/usr/bin/env python +# -*- coding: UTF8 -*- + +#@todo Research Fn +#@todo Research optimizations + +from __future__ import with_statement + +import os +import math +import simplejson +import logging +import logging.handlers + +import util.qt_compat as qt_compat +QtCore = qt_compat.QtCore +QtGui = qt_compat.import_module("QtGui") + +import constants +from util import qui_utils +from util import misc as misc_utils +import unit_data + + +_moduleLogger = logging.getLogger(__name__) + + +def split_number(number): + if number == 0.0: + # Optimize the startup case + return "0.", "0" + + try: + fractional, integer = math.modf(number) + except TypeError: + integerDisplay = number + fractionalDisplay = "" + else: + integerDisplay = str(integer) + fractionalDisplay = str(fractional) + if "e+" in integerDisplay: + integerDisplay = number + fractionalDisplay = "" + elif "e-" in fractionalDisplay: + if 0.0 < integer: + integerDisplay = number + fractionalDisplay = "" + else: + integerDisplay = "" + fractionalDisplay = number + else: + integerDisplay = integerDisplay[0:-2] + "." + fractionalDisplay = fractionalDisplay[2:] + + return integerDisplay, fractionalDisplay + + +class Gonvert(object): + + _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 = "" + self._app = app + self._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._sortActionGroup = QtGui.QActionGroup(None) + self._sortByNameAction = QtGui.QAction(self._sortActionGroup) + self._sortByNameAction.setText("Sort By Name") + self._sortByNameAction.setStatusTip("Sort the units by name") + self._sortByNameAction.setToolTip("Sort the units by name") + self._sortByNameAction.setCheckable(True) + self._sortByValueAction = QtGui.QAction(self._sortActionGroup) + self._sortByValueAction.setText("Sort By Value") + self._sortByValueAction.setStatusTip("Sort the units by value") + self._sortByValueAction.setToolTip("Sort the units by value") + self._sortByValueAction.setCheckable(True) + self._sortByUnitAction = QtGui.QAction(self._sortActionGroup) + self._sortByUnitAction.setText("Sort By Unit") + self._sortByUnitAction.setStatusTip("Sort the units by unit") + self._sortByUnitAction.setToolTip("Sort the units by unit") + self._sortByUnitAction.setCheckable(True) + + self._sortByNameAction.setChecked(True) + + 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._condensedAction.isChecked(): + if self._catWindow is not None: + self._catWindow.hide() + + 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._quickWindow is not None: + self._quickWindow.hide() + + 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): + import windows + jumpWindow = windows.QuickJump(None, self) + jumpWindow.window.destroyed.connect(self._on_jump_close) + self._jumpWindow = jumpWindow + return self._jumpWindow + + def show_recent(self): + import windows + recentWindow = windows.Recent(None, self) + recentWindow.window.destroyed.connect(self._on_recent_close) + 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)) + + sortBy = settings.get("sortBy", "name") + if sortBy not in ["name", "value", "unit"]: + _moduleLogger.info("Setting sortBy is not a valid value: %s" % sortBy) + sortBy = "name" + if sortBy == "name": + self._sortByNameAction.setChecked(True) + self._sortByValueAction.setChecked(False) + self._sortByUnitAction.setChecked(False) + elif sortBy == "value": + self._sortByNameAction.setChecked(False) + self._sortByValueAction.setChecked(True) + self._sortByUnitAction.setChecked(False) + elif sortBy == "unit": + self._sortByNameAction.setChecked(False) + self._sortByValueAction.setChecked(False) + self._sortByUnitAction.setChecked(True) + else: + raise RuntimeError("How did this sortBy come about? %s" % sortBy) + + 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", True)) + + def save_settings(self): + if self._sortByNameAction.isChecked(): + sortBy = "name" + elif self._sortByValueAction.isChecked(): + sortBy = "value" + elif self._sortByUnitAction.isChecked(): + sortBy = "unit" + else: + raise RuntimeError("Unknown sorting value") + 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(), + "sortBy": sortBy, + } + 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 sortByNameAction(self): + return self._sortByNameAction + + @property + def sortByValueAction(self): + return self._sortByValueAction + + @property + def sortByUnitAction(self): + return self._sortByUnitAction + + @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 _close_windows(self): + if self._catWindow is not None: + self._catWindow.window.destroyed.disconnect(self._on_cat_close) + self._catWindow.close() + self._catWindow = None + if self._quickWindow is not None: + self._quickWindow.window.destroyed.disconnect(self._on_quick_close) + self._quickWindow.close() + self._quickWindow = None + if self._jumpWindow is not None: + self._jumpWindow.window.destroyed.disconnect(self._on_jump_close) + self._jumpWindow.close() + self._jumpWindow = None + if self._recentWindow is not None: + self._recentWindow.window.destroyed.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 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() + qui_utils.mark_numbers_preferred(self._inputUnitValue) + self._inputUnitValue.textEdited.connect(self._on_value_edited) + self._inputUnitSymbol = QtGui.QLabel() + + self._outputUnitValue = QtGui.QLineEdit() + qui_utils.mark_numbers_preferred(self._outputUnitValue) + self._outputUnitValue.textEdited.connect(self._on_output_value_edited) + 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) + self._categoryView.setRootIsDecorated(False) + if not constants.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) + self._inputView.setRootIsDecorated(False) + if not constants.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) + self._outputView.setRootIsDecorated(False) + if not constants.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) + qui_utils.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 constants.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._select_category(categoryName) + + i = unit_data.UNIT_CATEGORIES.index(categoryName) + rootIndex = self._categoryView.rootIndex() + currentIndex = self._categoryView.model().index(i, 0, rootIndex) + self._categoryView.scrollTo(currentIndex) + self._categoryView.setItemSelected(self._categoryView.topLevelItem(i), True) + + return self + + def select_unit(self, name): + self.select_input(name) + return self + + def select_input(self, name): + self._select_input(name) + + i = self._unitNames.index(name) + rootIndex = self._inputView.rootIndex() + currentIndex = self._inputView.model().index(i, 0, rootIndex) + self._inputView.scrollTo(currentIndex) + self._inputView.setItemSelected(self._inputView.topLevelItem(i), True) + + def select_output(self, name): + self._select_output(name) + + i = self._unitNames.index(name) + rootIndex = self._outputView.rootIndex() + currentIndex = self._outputView.model().index(i, 0, rootIndex) + self._outputView.scrollTo(currentIndex) + self._outputView.setItemSelected(self._outputView.topLevelItem(i), True) + + 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] + 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) + + 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) + + 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) + + if "" not in [self._categoryName, self._inputUnitName, self._outputUnitName]: + self._update_output() + + 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) + + if "" not in [self._categoryName, self._inputUnitName, self._outputUnitName]: + self._update_output() + + 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_output(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_input(self): + assert self._categoryName + assert self._inputUnitName + assert self._outputUnitName + + userOutput = str(self._outputUnitValue.text()) + value = self._sanitize_value(userOutput) + + unitData = unit_data.UNIT_DESCRIPTIONS[self._categoryName] + inputConversion, _, _ = unitData[self._inputUnitName] + outputConversion, _, _ = unitData[self._outputUnitName] + + func, arg = outputConversion + base = func.to_base(value, arg) + + func, arg = inputConversion + newValue = func.from_base(base, arg) + self._inputUnitValue.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() + + @misc_utils.log_exception(_moduleLogger) + def _on_show_favorites(self, checked = True): + if checked: + 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) + + 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: + 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_choose_category_favorites(self, obj = None): + assert self._favoritesWindow is None + import windows + self._favoritesWindow = windows.FavoritesWindow( + self._window, + self._app, + unit_data.UNIT_CATEGORIES, + self._app.hiddenCategories + ) + self._favoritesWindow.window.destroyed.connect(self._on_close_favorites) + return self._favoritesWindow + + @misc_utils.log_exception(_moduleLogger) + def _on_choose_unit_favorites(self, obj = None): + assert self._favoritesWindow is None + import windows + self._favoritesWindow = windows.FavoritesWindow( + self._window, + self._app, + unit_data.get_units(self._categoryName), + self._app.get_hidden_units(self._categoryName) + ) + self._favoritesWindow.window.destroyed.connect(self._on_close_favorites) + return self._favoritesWindow + + @misc_utils.log_exception(_moduleLogger) + def _on_close_favorites(self, obj = None): + self._favoritesWindow = None + self._update_favorites() + + @misc_utils.log_exception(_moduleLogger) + def _on_value_edited(self, *args): + self._update_output() + + @misc_utils.log_exception(_moduleLogger) + def _on_output_value_edited(self, *args): + self._update_input() + + @misc_utils.log_exception(_moduleLogger) + def _on_category_selection_changed(self, selected, deselected): + selectedNames = [ + str(item.text(0)) + for item in self._categoryView.selectedItems() + ] + assert len(selectedNames) == 1 + self._select_category(selectedNames[0]) + + @misc_utils.log_exception(_moduleLogger) + def _on_input_selection_changed(self, selected, deselected): + selectedNames = [ + str(item.text(1)) + for item in self._inputView.selectedItems() + ] + if selectedNames: + assert len(selectedNames) == 1 + name = selectedNames[0] + self._select_input(name) + else: + pass + + @misc_utils.log_exception(_moduleLogger) + def _on_output_selection_changed(self, selected, deselected): + selectedNames = [ + str(item.text(1)) + for item in self._outputView.selectedItems() + ] + if selectedNames: + assert len(selectedNames) == 1, selectedNames + name = selectedNames[0] + self._select_output(name) + else: + pass + + +class CategoryWindow(object): + + def __init__(self, parent, app): + self._app = app + self._unitWindow = None + self._favoritesWindow = None + + self._categories = QtGui.QTreeWidget() + self._categories.setHeaderLabels(["Categories"]) + self._categories.itemClicked.connect(self._on_category_clicked) + self._categories.setHeaderHidden(True) + self._categories.setRootIsDecorated(False) + self._categories.setSelectionBehavior(QtGui.QAbstractItemView.SelectRows) + self._categories.setSelectionMode(QtGui.QAbstractItemView.SingleSelection) + if not constants.IS_MAEMO: + self._categories.setAlternatingRowColors(True) + for catName in unit_data.UNIT_CATEGORIES: + twi = QtGui.QTreeWidgetItem(self._categories) + twi.setText(0, catName) + + self._layout = QtGui.QVBoxLayout() + self._layout.addWidget(self._categories) + + centralWidget = QtGui.QWidget() + centralWidget.setLayout(self._layout) + + self._window = QtGui.QMainWindow(parent) + self._window.setAttribute(QtCore.Qt.WA_DeleteOnClose, True) + qui_utils.set_stackable(self._window, True) + self._window.setWindowTitle("%s - Categories" % constants.__pretty_app_name__) + self._window.setWindowIcon(QtGui.QIcon(self._app.appIconPath)) + self._window.setCentralWidget(centralWidget) + + self._chooseFavoritesAction = QtGui.QAction(None) + self._chooseFavoritesAction.setText("Select Favorites") + self._chooseFavoritesAction.setShortcut(QtGui.QKeySequence("CTRL+f")) + self._chooseFavoritesAction.triggered.connect(self._on_choose_favorites) + + self._app.showFavoritesAction.toggled.connect(self._on_show_favorites) + + 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 constants.IS_MAEMO: + fileMenu = self._window.menuBar().addMenu("&Units") + fileMenu.addAction(self._chooseFavoritesAction) + + 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) + + 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._chooseFavoritesAction) + 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 walk_children(self): + if self._unitWindow is not None: + yield self._unitWindow + if self._favoritesWindow is not None: + yield self._favoritesWindow + + def show(self): + self._window.show() + for child in self.walk_children(): + child.show() + + def hide(self): + for child in self.walk_children(): + child.hide() + self._window.hide() + + def close(self): + for child in self.walk_children(): + child.window.destroyed.disconnect(self._on_child_close) + child.close() + self._window.close() + + def select_category(self, categoryName): + self._select_category(categoryName) + + i = unit_data.UNIT_CATEGORIES.index(categoryName) + rootIndex = self._categories.rootIndex() + currentIndex = self._categories.model().index(i, 0, rootIndex) + self._categories.scrollTo(currentIndex) + self._categories.setItemSelected(self._categories.topLevelItem(i), True) + return self._unitWindow + + def set_fullscreen(self, isFullscreen): + if isFullscreen: + self._window.showFullScreen() + else: + self._window.showNormal() + for child in self.walk_children(): + child.set_fullscreen(isFullscreen) + + def _select_category(self, categoryName): + for child in self.walk_children(): + child.window.destroyed.disconnect(self._on_child_close) + child.close() + self._unitWindow = UnitWindow(self._window, categoryName, self._app) + self._unitWindow.window.destroyed.connect(self._on_child_close) + + def _update_favorites(self): + if self._app.showFavoritesAction.isChecked(): + assert self._categories.topLevelItemCount() == len(unit_data.UNIT_CATEGORIES) + for i, catName in enumerate(unit_data.UNIT_CATEGORIES): + if catName in self._app.hiddenCategories: + self._categories.setRowHidden(i, self._categories.rootIndex(), True) + else: + self._categories.setRowHidden(i, self._categories.rootIndex(), False) + else: + for i in xrange(self._categories.topLevelItemCount()): + self._categories.setRowHidden(i, self._categories.rootIndex(), False) + + @misc_utils.log_exception(_moduleLogger) + def _on_show_favorites(self, checked = True): + if checked: + assert self._categories.topLevelItemCount() == len(unit_data.UNIT_CATEGORIES) + for i, catName in enumerate(unit_data.UNIT_CATEGORIES): + if catName in self._app.hiddenCategories: + self._categories.setRowHidden(i, self._categories.rootIndex(), True) + else: + for i in xrange(self._categories.topLevelItemCount()): + self._categories.setRowHidden(i, self._categories.rootIndex(), False) + + @misc_utils.log_exception(_moduleLogger) + def _on_choose_favorites(self, obj = None): + assert self._favoritesWindow is None + import windows + self._favoritesWindow = windows.FavoritesWindow( + self._window, + self._app, + unit_data.UNIT_CATEGORIES, + self._app.hiddenCategories + ) + self._favoritesWindow.window.destroyed.connect(self._on_close_favorites) + return self._favoritesWindow + + @misc_utils.log_exception(_moduleLogger) + def _on_close_favorites(self, obj = None): + self._favoritesWindow = None + self._update_favorites() + + @misc_utils.log_exception(_moduleLogger) + def _on_child_close(self, obj = None): + self._unitWindow = None + + @misc_utils.log_exception(_moduleLogger) + def _on_close_window(self, checked = True): + self.close() + + @misc_utils.log_exception(_moduleLogger) + def _on_category_clicked(self, item, columnIndex): + categoryName = unicode(item.text(0)) + self.select_category(categoryName) + + +class UnitData(object): + + HEADERS = ["Name", "Value", "", "Unit"] + ALIGNMENT = [QtCore.Qt.AlignLeft, QtCore.Qt.AlignRight, QtCore.Qt.AlignLeft, QtCore.Qt.AlignLeft] + NAME_COLUMN = 0 + VALUE_COLUMN_0 = 1 + VALUE_COLUMN_1 = 2 + UNIT_COLUMN = 3 + + __slots__ = [ + "_name", "_unit", "_description", "_conversion", + "_value", "_integerDisplay", "_fractionalDisplay", + ] + + def __init__(self, name, unit, description, conversion): + self._name = name + self._unit = unit + self._description = description + self._conversion = conversion + + self._value = 0.0 + self._integerDisplay, self._fractionalDisplay = split_number(self._value) + + @property + def name(self): + return self._name + + @property + def value(self): + return self._value + + def update_value(self, newValue): + self._value = newValue + self._integerDisplay, self._fractionalDisplay = split_number(newValue) + + @property + def unit(self): + return self._unit + + @property + def conversion(self): + return self._conversion + + def data(self, column): + try: + return [self._name, self._integerDisplay, self._fractionalDisplay, self._unit][column] + except IndexError: + return None + + +class UnitModel(QtCore.QAbstractItemModel): + + def __init__(self, categoryName, parent=None): + super(UnitModel, self).__init__(parent) + self._categoryName = categoryName + self._unitData = unit_data.UNIT_DESCRIPTIONS[self._categoryName] + if self._categoryName == "Computer Numbers": + self._sanitize_value = self._sanitize_alpha_value + else: + self._sanitize_value = self._sanitize_numeric_value + + self._children = [] + for key in unit_data.get_units(self._categoryName): + conversion, unit, description = self._unitData[key] + self._children.append(UnitData(key, unit, description, conversion)) + self._sortSettings = None + + @misc_utils.log_exception(_moduleLogger) + def columnCount(self, parent): + if parent.isValid(): + return 0 + else: + return len(UnitData.HEADERS) + + @misc_utils.log_exception(_moduleLogger) + def data(self, index, role): + #if not index.isValid(): + # return None + + if role == QtCore.Qt.DisplayRole: + item = index.internalPointer() + if isinstance(item, UnitData): + return item.data(index.column()) + elif item is UnitData.HEADERS: + return item[index.column()] + elif role == QtCore.Qt.TextAlignmentRole: + return UnitData.ALIGNMENT[index.column()] + else: + return None + + @misc_utils.log_exception(_moduleLogger) + def sort(self, column, order = QtCore.Qt.AscendingOrder): + self._sortSettings = column, order + isReverse = order == QtCore.Qt.AscendingOrder + if column == UnitData.NAME_COLUMN: + key_func = lambda item: item.name + elif column in [UnitData.VALUE_COLUMN_0, UnitData.VALUE_COLUMN_1]: + key_func = lambda item: item.value + elif column == UnitData.UNIT_COLUMN: + key_func = lambda item: item.unit + self._children.sort(key=key_func, reverse = isReverse) + + self._all_changed() + + @misc_utils.log_exception(_moduleLogger) + def flags(self, index): + if not index.isValid(): + return QtCore.Qt.NoItemFlags + + return QtCore.Qt.ItemIsEnabled | QtCore.Qt.ItemIsSelectable + + @misc_utils.log_exception(_moduleLogger) + def headerData(self, section, orientation, role): + if orientation == QtCore.Qt.Horizontal and role == QtCore.Qt.DisplayRole: + return UnitData.HEADERS[section] + + return None + + @misc_utils.log_exception(_moduleLogger) + def index(self, row, column, parent): + #if not self.hasIndex(row, column, parent): + # return QtCore.QModelIndex() + #elif parent.isValid(): + # return QtCore.QModelIndex() + + parentItem = UnitData.HEADERS + childItem = self._children[row] + if childItem: + return self.createIndex(row, column, childItem) + else: + return QtCore.QModelIndex() + + @misc_utils.log_exception(_moduleLogger) + def parent(self, index): + if not index.isValid(): + return QtCore.QModelIndex() + + childItem = index.internalPointer() + if isinstance(childItem, UnitData): + return QtCore.QModelIndex() + elif childItem is UnitData.HEADERS: + return None + + @misc_utils.log_exception(_moduleLogger) + def rowCount(self, parent): + if 0 < parent.column(): + return 0 + + if not parent.isValid(): + return len(self._children) + else: + return len(self._children) + + def get_unit(self, index): + assert 0 <= index + return self._children[index] + + def get_unit_names(self): + for child in self._children: + yield child.name + + def index_unit(self, unitName): + for i, child in enumerate(self._children): + if child.name == unitName: + return i + else: + raise RuntimeError("Unit not found") + + def update_values(self, fromIndex, userInput): + value = self._sanitize_value(userInput) + func, arg = self._children[fromIndex].conversion + base = func.to_base(value, arg) + for i, child in enumerate(self._children): + func, arg = child.conversion + newValue = func.from_base(base, arg) + child.update_value(newValue) + + if ( + self._sortSettings is not None and + self._sortSettings[0] in [UnitData.VALUE_COLUMN_0, UnitData.VALUE_COLUMN_1] + ): + # Sort takes care of marking everything as changed + self.sort(*self._sortSettings) + return True + else: + self._values_changed() + return False + + def __len__(self): + return len(self._children) + + def _values_changed(self): + topLeft = self.createIndex(0, UnitData.VALUE_COLUMN_0, self._children[0]) + bottomRight = self.createIndex(len(self._children)-1, UnitData.VALUE_COLUMN_1, self._children[-1]) + self.dataChanged.emit(topLeft, bottomRight) + + def _all_changed(self): + topLeft = self.createIndex(0, 0, self._children[0]) + bottomRight = self.createIndex(len(self._children)-1, len(UnitData.HEADERS)-1, self._children[-1]) + self.dataChanged.emit(topLeft, bottomRight) + + def _sanitize_alpha_value(self, userEntry): + if userEntry: + value = userEntry + else: + value = '0' + return value + + def _sanitize_numeric_value(self, userEntry): + if userEntry: + value = float(userEntry) + else: + value = 0.0 + return value + + +class UnitWindow(object): + + def __init__(self, parent, category, app): + self._app = app + self._categoryName = category + self._selectedIndex = 0 + self._favoritesWindow = None + + self._selectedUnitName = QtGui.QLabel() + self._selectedUnitValue = QtGui.QLineEdit() + self._selectedUnitValue.textEdited.connect(self._on_value_edited) + qui_utils.mark_numbers_preferred(self._selectedUnitValue) + self._selectedUnitSymbol = QtGui.QLabel() + self._updateDelayTimer = QtCore.QTimer() + self._updateDelayTimer.setInterval(100) + self._updateDelayTimer.setSingleShot(True) + self._updateDelayTimer.timeout.connect(self._on_value_edited_delayed) + + self._selectedUnitLayout = QtGui.QHBoxLayout() + self._selectedUnitLayout.addWidget(self._selectedUnitName) + self._selectedUnitLayout.addWidget(self._selectedUnitValue) + self._selectedUnitLayout.addWidget(self._selectedUnitSymbol) + + self._unitsModel = UnitModel(self._categoryName) + self._unitsView = QtGui.QTreeView() + self._unitsView.setModel(self._unitsModel) + self._unitsView.setUniformRowHeights(True) + self._unitsView.setSortingEnabled(True) + self._unitsView.setRootIsDecorated(False) + self._unitsView.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff) + self._unitsView.setSelectionBehavior(QtGui.QAbstractItemView.SelectRows) + self._unitsView.setSelectionMode(QtGui.QAbstractItemView.SingleSelection) + self._unitsView.setHeaderHidden(True) + self._unitsView.clicked.connect(self._on_unit_clicked) + if not constants.IS_MAEMO: + self._unitsView.setAlternatingRowColors(True) + + viewHeader = self._unitsView.header() + viewHeader.setSortIndicatorShown(True) + viewHeader.setClickable(True) + + viewHeader.setResizeMode(UnitData.NAME_COLUMN, QtGui.QHeaderView.ResizeToContents) + viewHeader.setResizeMode(UnitData.VALUE_COLUMN_0, QtGui.QHeaderView.ResizeToContents) + viewHeader.setResizeMode(UnitData.VALUE_COLUMN_1, QtGui.QHeaderView.ResizeToContents) + viewHeader.setResizeMode(UnitData.UNIT_COLUMN, QtGui.QHeaderView.ResizeToContents) + viewHeader.setStretchLastSection(False) + + # Trying to make things faster by locking in the initial size of the immutable columns + nameSize = min(viewHeader.sectionSize(UnitData.NAME_COLUMN), 300) + viewHeader.setResizeMode(UnitData.NAME_COLUMN, QtGui.QHeaderView.Fixed) + viewHeader.resizeSection(UnitData.NAME_COLUMN, nameSize) + unitSize = min(viewHeader.sectionSize(UnitData.UNIT_COLUMN), 150) + viewHeader.setResizeMode(UnitData.UNIT_COLUMN, QtGui.QHeaderView.Fixed) + viewHeader.resizeSection(UnitData.UNIT_COLUMN, unitSize) + + self._layout = QtGui.QVBoxLayout() + self._layout.addLayout(self._selectedUnitLayout) + self._layout.addWidget(self._unitsView) + + centralWidget = QtGui.QWidget() + centralWidget.setLayout(self._layout) + + self._window = QtGui.QMainWindow(parent) + self._window.setAttribute(QtCore.Qt.WA_DeleteOnClose, True) + qui_utils.set_stackable(self._window, True) + self._window.setWindowTitle("%s - %s" % (constants.__pretty_app_name__, category)) + self._window.setWindowIcon(QtGui.QIcon(app.appIconPath)) + self._window.setCentralWidget(centralWidget) + + defaultUnitName = self._app.get_recent_unit(self._categoryName) + if defaultUnitName: + self.select_unit(defaultUnitName) + else: + self._select_unit(0) + + if self._app.sortByNameAction.isChecked(): + sortColumn = UnitData.NAME_COLUMN + elif self._app.sortByValueAction.isChecked(): + sortColumn = UnitData.VALUE_COLUMN_0 + elif self._app.sortByUnitAction.isChecked(): + sortColumn = UnitData.UNIT_COLUMN + else: + raise RuntimeError("No sort column selected") + if sortColumn != 0: + # By default it sorts by he first column (name) + self._unitsModel.sort(sortColumn) + + self._chooseFavoritesAction = QtGui.QAction(None) + self._chooseFavoritesAction.setText("Select Favorites") + self._chooseFavoritesAction.setShortcut(QtGui.QKeySequence("CTRL+f")) + self._chooseFavoritesAction.triggered.connect(self._on_choose_favorites) + + self._app.showFavoritesAction.toggled.connect(self._on_show_favorites) + + self._previousUnitAction = QtGui.QAction(None) + self._previousUnitAction.setText("Previous Unit") + self._previousUnitAction.setShortcut(QtGui.QKeySequence("Up")) + self._previousUnitAction.triggered.connect(self._on_previous_unit) + + self._nextUnitAction = QtGui.QAction(None) + self._nextUnitAction.setText("Next Unit") + self._nextUnitAction.setShortcut(QtGui.QKeySequence("Down")) + self._nextUnitAction.triggered.connect(self._on_next_unit) + + 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 constants.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._chooseFavoritesAction) + + viewMenu = self._window.menuBar().addMenu("&View") + viewMenu.addAction(self._app.showFavoritesAction) + viewMenu.addAction(self._app.condensedAction) + viewMenu.addSeparator() + viewMenu.addAction(self._app.sortByNameAction) + viewMenu.addAction(self._app.sortByValueAction) + viewMenu.addAction(self._app.sortByUnitAction) + viewMenu.addSeparator() + viewMenu.addAction(self._app.jumpAction) + viewMenu.addAction(self._app.recentAction) + else: + fileMenu = self._window.menuBar().addMenu("&Units") + fileMenu.addAction(self._chooseFavoritesAction) + 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.sortByNameAction) + viewMenu.addAction(self._app.sortByValueAction) + viewMenu.addAction(self._app.sortByUnitAction) + viewMenu.addSeparator() + viewMenu.addAction(self._app.jumpAction) + viewMenu.addAction(self._app.recentAction) + viewMenu.addSeparator() + viewMenu.addAction(self._app.fullscreenAction) + + self._app.sortByNameAction.triggered.connect(self._on_sort_by_name) + self._app.sortByValueAction.triggered.connect(self._on_sort_by_value) + self._app.sortByUnitAction.triggered.connect(self._on_sort_by_unit) + + self._window.addAction(self._app.logAction) + self._window.addAction(self._nextUnitAction) + self._window.addAction(self._previousUnitAction) + self._window.addAction(self._chooseFavoritesAction) + + self._update_favorites() + self.set_fullscreen(self._app.fullscreenAction.isChecked()) + self._window.show() + + @property + def window(self): + return self._window + + def show(self): + for child in self.walk_children(): + child.hide() + self._window.show() + + def hide(self): + for child in self.walk_children(): + child.hide() + self._window.hide() + + def close(self): + for child in self.walk_children(): + child.window.destroyed.disconnect(self._on_child_close) + child.close() + self._window.close() + + def set_fullscreen(self, isFullscreen): + if isFullscreen: + self._window.showFullScreen() + else: + self._window.showNormal() + + def select_unit(self, unitName): + index = self._unitsModel.index_unit(unitName) + self._select_unit(index) + + qindex = self._unitsModel.createIndex(index, 0, self._unitsModel.get_unit(index)) + self._unitsView.scrollTo(qindex) + + def walk_children(self): + if self._favoritesWindow is not None: + yield self._favoritesWindow + + def _select_unit(self, index): + unit = self._unitsModel.get_unit(index) + self._selectedUnitName.setText(unit.name) + self._selectedUnitValue.setText(str(unit.value)) + self._selectedUnitSymbol.setText(unit.unit) + + self._selectedIndex = index + self._app.add_recent(self._categoryName, self._unitsModel.get_unit(index).name) + + def _update_favorites(self, force = False): + if self._app.showFavoritesAction.isChecked(): + unitNames = list(self._unitsModel.get_unit_names()) + hiddenUnits = self._app.get_hidden_units(self._categoryName) + for i, unitName in enumerate(unitNames): + if unitName in hiddenUnits: + self._unitsView.setRowHidden(i, self._unitsView.rootIndex(), True) + else: + self._unitsView.setRowHidden(i, self._unitsView.rootIndex(), False) + else: + if force: + for i in xrange(len(self._unitsModel)): + self._unitsView.setRowHidden(i, self._unitsView.rootIndex(), False) + + @misc_utils.log_exception(_moduleLogger) + def _on_show_favorites(self, checked = True): + if checked: + unitNames = list(self._unitsModel.get_unit_names()) + hiddenUnits = self._app.get_hidden_units(self._categoryName) + for i, unitName in enumerate(unitNames): + if unitName in hiddenUnits: + self._unitsView.setRowHidden(i, self._unitsView.rootIndex(), True) + else: + for i in xrange(len(self._unitsModel)): + self._unitsView.setRowHidden(i, self._unitsView.rootIndex(), False) + + @misc_utils.log_exception(_moduleLogger) + def _on_choose_favorites(self, obj = None): + assert self._favoritesWindow is None + import windows + self._favoritesWindow = windows.FavoritesWindow( + self._window, + self._app, + unit_data.get_units(self._categoryName), + self._app.get_hidden_units(self._categoryName) + ) + self._favoritesWindow.window.destroyed.connect(self._on_close_favorites) + return self._favoritesWindow + + @misc_utils.log_exception(_moduleLogger) + def _on_close_favorites(self, obj = None): + self._favoritesWindow = None + self._update_favorites(force=True) + + @misc_utils.log_exception(_moduleLogger) + def _on_previous_unit(self, checked = True): + index = self._selectedIndex - 1 + unitData = self._unitsModel.get_unit(index) + unitName = unitData.name + + if self._app.showFavoritesAction.isChecked(): + hiddenUnits = self._app.get_hidden_units(self._categoryName) + while unitName in hiddenUnits: + index -= 1 + unitData = self._unitsModel.get_unit(index) + unitName = unitData.name + + self.select_unit(unitName) + + @misc_utils.log_exception(_moduleLogger) + def _on_next_unit(self, checked = True): + index = self._selectedIndex + 1 + unitData = self._unitsModel.get_unit(index) + unitName = unitData.name + + if self._app.showFavoritesAction.isChecked(): + hiddenUnits = self._app.get_hidden_units(self._categoryName) + while unitName in hiddenUnits: + index += 1 + unitData = self._unitsModel.get_unit(index) + unitName = unitData.name + + self.select_unit(unitName) + + @misc_utils.log_exception(_moduleLogger) + def _on_close_window(self, checked = True): + self.close() + + @misc_utils.log_exception(_moduleLogger) + def _on_sort_by_name(self, checked = False): + self._unitsModel.sort(UnitData.NAME_COLUMN, QtCore.Qt.DescendingOrder) + + @misc_utils.log_exception(_moduleLogger) + def _on_sort_by_value(self, checked = False): + self._unitsModel.sort(UnitData.VALUE_COLUMN_0) + + @misc_utils.log_exception(_moduleLogger) + def _on_sort_by_unit(self, checked = False): + self._unitsModel.sort(UnitData.UNIT_COLUMN, QtCore.Qt.DescendingOrder) + + @misc_utils.log_exception(_moduleLogger) + def _on_unit_clicked(self, index): + self._select_unit(index.row()) + + @misc_utils.log_exception(_moduleLogger) + def _on_value_edited(self, *args): + if not self._updateDelayTimer.isActive(): + self._updateDelayTimer.start() + + @misc_utils.log_exception(_moduleLogger) + def _on_value_edited_delayed(self, *args): + userInput = str(self._selectedUnitValue.text()) + orderChanged = self._unitsModel.update_values(self._selectedIndex, userInput) + if orderChanged: + self._update_favorites() + + +def run_gonvert(): + try: + os.makedirs(constants._data_path_) + except OSError, e: + if e.errno != 17: + raise + + logFormat = '(%(relativeCreated)5d) %(levelname)-5s %(threadName)s.%(name)s.%(funcName)s: %(message)s' + logging.basicConfig(level=logging.DEBUG, format=logFormat) + rotating = logging.handlers.RotatingFileHandler(constants._user_logpath_, maxBytes=512*1024, backupCount=1) + rotating.setFormatter(logging.Formatter(logFormat)) + root = logging.getLogger() + root.addHandler(rotating) + _moduleLogger.info("%s %s-%s" % (constants.__app_name__, constants.__version__, constants.__build__)) + _moduleLogger.info("OS: %s" % (os.uname()[0], )) + _moduleLogger.info("Kernel: %s (%s) for %s" % os.uname()[2:]) + _moduleLogger.info("Hostname: %s" % os.uname()[1]) + + app = QtGui.QApplication([]) + handle = Gonvert(app) + if constants.PROFILE_STARTUP: + return 0 + else: + return app.exec_() + + +if __name__ == "__main__": + import sys + val = run_gonvert() + sys.exit(val)