X-Git-Url: http://git.maemo.org/git/?p=gonvert;a=blobdiff_plain;f=src%2Fgonvert_glade.py;h=8034d58d96b1ace03d5b4112fd891f47587e752f;hp=0e822b39af4cb094f1133a5e5dd03112dd71fb53;hb=3ce2cd5d0d645b0e7baae4113f1c70f11af18c02;hpb=24954704d34cf04575849fc9abd1c97e5dcb09b3 diff --git a/src/gonvert_glade.py b/src/gonvert_glade.py index 0e822b3..8034d58 100755 --- a/src/gonvert_glade.py +++ b/src/gonvert_glade.py @@ -1,27 +1,49 @@ #!/usr/bin/env python # -*- coding: UTF8 -*- +""" +@todo Look into using two columns for displaying the value, split by the +decimal place. The left one would be right aligned and the right would be left +aligned (only if not in exponential notation +OR display everything in engineering notation + +@tood Add a unit description dialog for when hildonized + +@todo Add support for custom units + +@todo Add support for compound units +""" + import os import pickle -import string -import sys -import gettext import logging +import pango import gobject import gtk import gtk.glade import gtk.gdk import constants +import hildonize import unit_data +try: + import gettext +except ImportError: + _ = lambda x: x + gettext = None +else: + _ = gettext.gettext + _moduleLogger = logging.getLogger("gonvert_glade") +PROFILE_STARTUP = False +FORCE_HILDON_LIKE = False -gettext.bindtextdomain('gonvert', '/usr/share/locale') -gettext.textdomain('gonvert') -_ = gettext.gettext +if gettext is not None: + gettext.bindtextdomain('gonvert', '/usr/share/locale') + gettext.textdomain('gonvert') def change_menu_label(widgets, labelname, newtext): @@ -35,21 +57,26 @@ class Gonvert(object): os.path.join(os.path.dirname(__file__), "gonvert.glade"), os.path.join(os.path.dirname(__file__), "../data/gonvert.glade"), os.path.join(os.path.dirname(__file__), "../lib/gonvert.glade"), + '/usr/share/gonvert/gonvert.glade', '/usr/lib/gonvert/gonvert.glade', ] + UNITS_NAME_IDX = 0 + UNITS_VALUE_IDX = 1 + UNITS_SYMBOL_IDX = 2 + def __init__(self): self._unitDataInCategory = None - self._calcsuppress = False self._unit_sort_direction = False self._value_sort_direction = False self._units_sort_direction = False + self._isFullScreen = False self._find_result = [] # empty find result list - self._find_count = 0 # default to find result number zero + self._findIndex = 0 # default to find result number zero - self._selected_category = '' # preset to no selected category - self._selected_units = {} # empty dictionary for later use + self._selectedCategoryName = '' # preset to no selected category + self._defaultUnitForCategory = {} # empty dictionary for later use #check to see if glade file is in current directory (user must be # running from download untar directory) @@ -60,15 +87,18 @@ class Gonvert(object): widgets = gtk.glade.XML(gladePath) break else: + _moduleLogger.error("UI Descriptor not found!") + gtk.main_quit() return self._mainWindow = widgets.get_widget('mainWindow') + self._app = hildonize.get_app_class()() + self._mainWindow = hildonize.hildonize_window(self._app, self._mainWindow) change_menu_label(widgets, 'fileMenuItem', _('File')) change_menu_label(widgets, 'exitMenuItem', _('Exit')) change_menu_label(widgets, 'toolsMenuItem', _('Tools')) change_menu_label(widgets, 'clearSelectionMenuItem', _('Clear selections')) - change_menu_label(widgets, 'writeUnitsMenuItem', _('Write Units')) change_menu_label(widgets, 'helpMenuItem', _('Help')) change_menu_label(widgets, 'aboutMenuItem', _('About')) change_menu_label(widgets, 'findButton', _('Find')) @@ -76,52 +106,72 @@ class Gonvert(object): self._shortlistcheck = widgets.get_widget('shortlistcheck') self._toggleShortList = widgets.get_widget('toggleShortList') + self._categorySelectionButton = widgets.get_widget("categorySelectionButton") self._categoryView = widgets.get_widget('categoryView') self._unitsView = widgets.get_widget('unitsView') + self._unitsView.set_property('rules_hint', 1) self._unitsView_selection = self._unitsView.get_selection() self._unitName = widgets.get_widget('unitName') self._unitValue = widgets.get_widget('unitValue') self._previousUnitName = widgets.get_widget('previousUnitName') self._previousUnitValue = widgets.get_widget('previousUnitValue') - messagebox = widgets.get_widget('msgbox') - messageboxtext = widgets.get_widget('msgboxtext') self._unitSymbol = widgets.get_widget('unitSymbol') self._previousUnitSymbol = widgets.get_widget('previousUnitSymbol') self._unitDescription = widgets.get_widget('unitDescription') + self._searchLayout = widgets.get_widget('searchLayout') + self._searchLayout.hide() self._findEntry = widgets.get_widget('findEntry') self._findLabel = widgets.get_widget('findLabel') - findButton = widgets.get_widget('findButton') - ToolTips = gtk.Tooltips() - ToolTips.set_tip(findButton, _(u'Find unit (F6)')) + self._findButton = widgets.get_widget('findButton') #insert a self._categoryColumnumn into the units list even though the heading will not be seen renderer = gtk.CellRendererText() - self._unitNameColumn = gtk.TreeViewColumn(_('Unit Name'), renderer) + renderer.set_property("ellipsize", pango.ELLIPSIZE_END) + renderer.set_property("width-chars", len("grams per cubic cm plus some")) + hildonize.set_cell_thumb_selectable(renderer) + self._unitNameColumn = gtk.TreeViewColumn(_('Name'), renderer) self._unitNameColumn.set_property('resizable', 1) - self._unitNameColumn.add_attribute(renderer, 'text', 0) + self._unitNameColumn.add_attribute(renderer, 'text', self.UNITS_NAME_IDX) self._unitNameColumn.set_clickable(True) self._unitNameColumn.connect("clicked", self._on_click_unit_column) self._unitsView.append_column(self._unitNameColumn) + renderer = gtk.CellRendererText() + hildonize.set_cell_thumb_selectable(renderer) self._unitValueColumn = gtk.TreeViewColumn(_('Value'), renderer) self._unitValueColumn.set_property('resizable', 1) - self._unitValueColumn.add_attribute(renderer, 'text', 1) + self._unitValueColumn.add_attribute(renderer, 'text', self.UNITS_VALUE_IDX) self._unitValueColumn.set_clickable(True) self._unitValueColumn.connect("clicked", self._on_click_unit_column) self._unitsView.append_column(self._unitValueColumn) + renderer = gtk.CellRendererText() + renderer.set_property("ellipsize", pango.ELLIPSIZE_END) + renderer.set_property("width-chars", len("G ohm plus some")) + hildonize.set_cell_thumb_selectable(renderer) self._unitSymbolColumn = gtk.TreeViewColumn(_('Units'), renderer) self._unitSymbolColumn.set_property('resizable', 1) - self._unitSymbolColumn.add_attribute(renderer, 'text', 2) + self._unitSymbolColumn.add_attribute(renderer, 'text', self.UNITS_SYMBOL_IDX) self._unitSymbolColumn.set_clickable(True) self._unitSymbolColumn.connect("clicked", self._on_click_unit_column) self._unitsView.append_column(self._unitSymbolColumn) + self._unitModel = gtk.ListStore( + gobject.TYPE_STRING, # UNITS_NAME_IDX + gobject.TYPE_STRING, # UNITS_VALUE_IDX + gobject.TYPE_STRING, # UNITS_SYMBOL_IDX + ) + self._sortedUnitModel = gtk.TreeModelSort(self._unitModel) + columns = self._get_column_sort_stuff() + for columnIndex, (column, sortDirection, col_cmp) in enumerate(columns): + self._sortedUnitModel.set_sort_func(columnIndex, col_cmp) + self._unitsView.set_model(self._sortedUnitModel) + #Insert a column into the category list even though the heading will not be seen renderer = gtk.CellRendererText() self._categoryColumn = gtk.TreeViewColumn('Title', renderer) @@ -136,32 +186,56 @@ class Gonvert(object): #Populate the catagories list for key in unit_data.UNIT_CATEGORIES: - iter = self._categoryModel.append() - self._categoryModel.set(iter, 0, key) + row = (key, ) + self._categoryModel.append(row) #--------- connections to GUI ---------------- - dic = { - "on_exit_menu_activate": self._on_user_exit, - "on_main_window_destroy": self._on_user_exit, - "on_categoryView_select_row": self._on_click_category, - "on_unitsView__on_click_unit_column": self._on_click_unit_column, - "on_unitValue_changed": self._on_unit_value_changed, - "on_previousUnitValue_changed": self._on_previous_unit_value_changed, - "on_writeUnitsMenuItem_activate": self._on_user_write_units, - "on_findButton_clicked": self._on_find_activate, - "on_findEntry_activated": self._on_find_activate, - "on_findEntry_changed": self._on_findEntry_changed, - "on_aboutMenuItem_activate": self._on_about_clicked, - "on_messagebox_ok_clicked": self.messagebox_ok_clicked, - "on_clearSelectionMenuItem_activate": self._on_user_clear_selections, - "on_unitsView_cursor_changed": self._on_click_unit, - "on_unitsView_button_released": self._on_button_released, - "on_shortlistcheck_toggled": self._on_shortlist_changed, - "on_toggleShortList_activate": self._on_edit_shortlist, - } - widgets.signal_autoconnect(dic) + self._mainWindow.connect("delete-event", self._on_user_exit) + self._mainWindow.connect("key-press-event", self._on_key_press) + self._mainWindow.connect("window-state-event", self._on_window_state_change) + self._categorySelectionButton.connect("clicked", self._on_category_selector_clicked) + self._categoryView.connect("cursor-changed", self._on_click_category) + self._findButton.connect("clicked", self._on_find_activate) + self._findEntry.connect("activate", self._on_find_activate) + self._findEntry.connect("changed", self._on_findEntry_changed) + self._previousUnitValue.connect("changed", self._on_previous_unit_value_changed) + self._shortlistcheck.connect("toggled", self._on_shortlist_changed) + self._unitValue.connect("changed", self._on_unit_value_changed) + self._unitsView.connect("cursor-changed", self._on_click_unit) + if hildonize.GTK_MENU_USED: + widgets.get_widget("aboutMenuItem").connect("activate", self._on_about_clicked) + widgets.get_widget("clearSelectionMenuItem").connect("activate", self._on_user_clear_selections) + widgets.get_widget("editShortListMenuItem").connect("activate", self._on_edit_shortlist) + widgets.get_widget("exitMenuItem").connect("activate", self._on_user_exit) + + for scrollingWidgetName in ( + "unitsViewScrolledWindow", + ): + scrollingWidget = widgets.get_widget(scrollingWidgetName) + assert scrollingWidget is not None, scrollingWidgetName + hildonize.hildonize_scrollwindow_with_viewport(scrollingWidget) + + if hildonize.IS_HILDON_SUPPORTED or FORCE_HILDON_LIKE: + self._categoryView.get_parent().hide() + self._unitsView.set_headers_visible(False) + self._previousUnitName.get_parent().hide() + self._unitDescription.get_parent().get_parent().hide() + else: + self._categorySelectionButton.hide() + + replacementButtons = [] + menu = hildonize.hildonize_menu( + self._mainWindow, + widgets.get_widget("mainMenuBar"), + replacementButtons + ) + + if not hildonize.IS_HILDON_SUPPORTED: + _moduleLogger.info("No hildonization support") - self._mainWindow.set_title('gonvert- %s - Unit Conversion Utility' % constants.__version__) + hildonize.set_application_title( + self._mainWindow, "%s - Unit Conversion Utility" % constants.__pretty_app_name__ + ) iconPath = pixmapspath + '/gonvert.png' if os.path.exists(iconPath): self._mainWindow.set_icon(gtk.gdk.pixbuf_new_from_file(iconPath)) @@ -169,54 +243,46 @@ class Gonvert(object): _moduleLogger.warn("Error: Could not find gonvert icon: %s" % iconPath) self._load_settings() + self._mainWindow.show() def _load_settings(self): #Restore window size from previously saved settings if it exists and is valid. windowDatPath = "/".join((constants._data_path_, "window.dat")) if os.path.exists(windowDatPath): - #Retrieving previous window settings from ~/.gonvert/window.dat saved_window = pickle.load(open(windowDatPath, "r")) - #If the 'size' has been stored, then extract size from saved_window. - if 'size' in saved_window: + try: a, b = saved_window['size'] - self._mainWindow.resize(a, b) - else: - #Maximize if no previous size was found - #self._mainWindow.maximize() + except KeyError: pass - else: - #Maximize if no previous window.dat file was found - #self._mainWindow.maximize() - pass + else: + self._mainWindow.resize(a, b) #Restore selections from previously saved settings if it exists and is valid. - historical_catergory_found = False + categoryIndex = 0 + selectedCategoryName = unit_data.UNIT_CATEGORIES[0] selectionsDatPath = "/".join((constants._data_path_, "selections.dat")) if os.path.exists(selectionsDatPath): - #Retrieving previous selections from ~/.gonvert/selections.dat selections = pickle.load(open(selectionsDatPath, 'r')) - #Restoring previous selections. - #If the 'selected_unts' has been stored, then extract self._selected_units from selections. - if 'selected_units' in selections: - self._selected_units = selections['selected_units'] - #Make sure that the 'self._selected_category' has been stored. - if 'selected_category' in selections: - #Match an available category to the previously selected category. - for counter in range(len(unit_data.UNIT_CATEGORIES)): - if selections['selected_category'] == unit_data.UNIT_CATEGORIES[counter]: - # Restore the previously selected category. - self._categoryView.set_cursor(counter, self._categoryColumn, False) - self._categoryView.grab_focus() - historical_catergory_found = True - - if not historical_catergory_found: - print "Couldn't find saved category, using default." - #If historical records were not kept then default to - # put the focus on the first category - self._categoryView.set_cursor(0, self._categoryColumn, False) - self._categoryView.grab_focus() + try: + self._defaultUnitForCategory = selections['selected_units'] + except KeyError: + pass + + try: + selectedCategoryName = selections['selected_category'] + except KeyError: + pass + else: + try: + categoryIndex = unit_data.UNIT_CATEGORIES.index(selectedCategoryName) + except ValueError: + _moduleLogger.warn("Unknown category: %s" % selectedCategoryName) + + self._categorySelectionButton.set_label(selectedCategoryName) + self._categoryView.set_cursor(categoryIndex, self._categoryColumn, False) + self._categoryView.grab_focus() - self.restore_units() + self._select_default_unit() def _save_settings(self): """ @@ -224,17 +290,17 @@ class Gonvert(object): should therefore only be called when exiting the program. Update selections dictionary which consists of the following keys: - 'self._selected_category': full name of selected category - 'self._selected_units': self._selected_units dictionary which contains: + 'self._selectedCategoryName': full name of selected category + 'self._defaultUnitForCategory': self._defaultUnitForCategory dictionary which contains: [categoryname: #1 displayed unit, #2 displayed unit] """ #Determine the contents of the selected category row selected, iter = self._categoryView.get_selection().get_selected() - self._selected_category = self._categoryModel.get_value(iter, 0) + self._selectedCategoryName = self._categoryModel.get_value(iter, 0) selections = { - 'selected_category': self._selected_category, - 'selected_units': self._selected_units + 'selected_category': self._selectedCategoryName, + 'selected_units': self._defaultUnitForCategory } selectionsDatPath = "/".join((constants._data_path_, "selections.dat")) pickle.dump(selections, open(selectionsDatPath, 'w')) @@ -246,38 +312,18 @@ class Gonvert(object): windowDatPath = "/".join((constants._data_path_, "window.dat")) pickle.dump(window_settings, open(windowDatPath, 'w')) - def _on_shortlist_changed(self, a): - raise NotImplementedError("%s" % self._shortlistcheck.get_active()) - - def _on_edit_shortlist(self, a): - raise NotImplementedError("%s" % self._toggleShortList.get_active()) - - def _on_user_clear_selections(self, a): - selectionsDatPath = "/".join((constants._data_path_, "selections.dat")) - os.remove(selectionsDatPath) - self._selected_units = {} - - def _on_user_exit(self, a): - try: - self._save_settings() - finally: - gtk.main_quit() - - def _on_findEntry_changed(self, a): - """ - Clear out find results since the user wants to look for something new - """ + def _clear_find(self): # switch to "new find" state self._find_result = [] - self._find_count = 0 + self._findIndex = 0 # Clear our user message self._findLabel.set_text('') def _find_first(self): assert len(self._find_result) == 0 - assert self._find_count == 0 - findString = string.lower(string.strip(self._findEntry.get_text())) + assert self._findIndex == 0 + findString = self._findEntry.get_text().strip().lower() if not findString: return @@ -289,420 +335,388 @@ class Gonvert(object): if loweredUnit in findString or findString in loweredUnit: self._find_result.append((category, unit, catIndex, unitIndex)) - if not self._find_result: - return - - self._select_found_unit() - - def _find_wrap_around(self): + def _update_find_selection(self): assert 0 < len(self._find_result) - assert self._find_count + 1 == len(self._find_result) - #select first result - self._find_count = 0 - self._select_found_unit() - def _find_next(self): - assert 0 < len(self._find_result) - assert self._find_count + 1 < len(self._find_result) - self._find_count += 1 - self._select_found_unit() - - def _select_found_unit(self): - assert 0 < len(self._find_result) #check if next find is in a new category (prevent category changes when unnecessary - if self._selected_category != self._find_result[self._find_count][0]: - self._categoryView.set_cursor(self._find_result[self._find_count][2], self._categoryColumn, False) - self._unitsView.set_cursor(self._find_result[self._find_count][3], self._unitNameColumn, True) - - def _on_find_activate(self, a): - """ - check if 'new find' or 'last find' or 'next-find' - - new-find = run the find algorithm which also selects the first found unit - = self._find_count = 0 and self._find_result = [] + searchCategoryName = self._find_result[self._findIndex][0] + if self._selectedCategoryName != searchCategoryName: + self._categorySelectionButton.set_label(searchCategoryName) + self._categoryView.set_cursor( + self._find_result[self._findIndex][2], self._categoryColumn, False + ) - last-find = restart from top again - = self._find_count = len(self._find_result) + self._unitsView.set_cursor( + self._find_result[self._findIndex][3], self._unitNameColumn, True + ) - next-find = continue to next found location - = self._find_count = 0 and len(self._find_result)>0 - """ + def _find_next(self): if len(self._find_result) == 0: self._find_first() else: - if self._find_count == len(self._find_result)-1: - self._find_wrap_around() + if self._findIndex == len(self._find_result)-1: + self._findIndex = 0 else: - self._find_next() + self._findIndex += 1 if not self._find_result: self._findLabel.set_text('Text not found') else: - resultsLeft = len(self._find_result) - self._find_count - 1 + self._update_find_selection() + resultsLeft = len(self._find_result) - self._findIndex - 1 self._findLabel.set_text( '%s result(s) left' % (resultsLeft, ) ) - def _on_click_unit_column(self, col): - """ - Sort the contents of the col when the user clicks on the title. - """ - #Determine which column requires sorting - if col is self._unitNameColumn: - selectedUnitColumn = 0 - self._unitNameColumn.set_sort_indicator(True) - self._unitValueColumn.set_sort_indicator(False) - self._unitSymbolColumn.set_sort_indicator(False) - self._unitNameColumn.set_sort_order(not self._unit_sort_direction) - elif col is self._unitValueColumn: - selectedUnitColumn = 1 - self._unitNameColumn.set_sort_indicator(False) - self._unitValueColumn.set_sort_indicator(True) - self._unitSymbolColumn.set_sort_indicator(False) - self._unitValueColumn.set_sort_order(not self._value_sort_direction) - elif col is self._unitSymbolColumn: - selectedUnitColumn = 2 - self._unitNameColumn.set_sort_indicator(False) - self._unitValueColumn.set_sort_indicator(False) - self._unitSymbolColumn.set_sort_indicator(True) - self._unitSymbolColumn.set_sort_order(not self._units_sort_direction) + def _find_previous(self): + if len(self._find_result) == 0: + self._find_first() else: - assert False, "Unknown column: %s" % (col.get_title(), ) - - #declare a spot to hold the sorted list - sorted_list = [] - - #point to the first row - iter = self._unitModel.get_iter_first() - row = 0 - - while iter: - #grab all text from columns for sorting - - #get the text from each column - unit_text = self._unitModel.get_value(iter, 0) - units_text = self._unitModel.get_value(iter, 2) - - #do not bother sorting if the value column is empty - if self._unitModel.get_value(iter, 1) == '' and selectedUnitColumn == 1: - return - - #special sorting exceptions for ascii values (instead of float values) - if self._selected_category == "Computer Numbers": - value_text = self._unitModel.get_value(iter, 1) - else: - if self._unitModel.get_value(iter, 1) == None or self._unitModel.get_value(iter, 1) == '': - value_text = '' - else: - value_text = float(self._unitModel.get_value(iter, 1)) - - if selectedUnitColumn == 0: - sorted_list.append((unit_text, value_text, units_text)) - elif selectedUnitColumn == 1: - sorted_list.append((value_text, unit_text, units_text)) + if self._findIndex == 0: + self._findIndex = len(self._find_result)-1 else: - sorted_list.append((units_text, value_text, unit_text)) - - #point to the next row in the self._unitModel - iter = self._unitModel.iter_next(iter) - row = row+1 + self._findIndex -= 1 - #check if no calculations have been made yet (don't bother sorting) - if row == 0: - return + if not self._find_result: + self._findLabel.set_text('Text not found') else: - if selectedUnitColumn == 0: - if not self._unit_sort_direction: - sorted_list.sort(lambda (x, xx, xxx), (y, yy, yyy): cmp(string.lower(x), string.lower(y))) - self._unit_sort_direction = True - else: - sorted_list.sort(lambda (x, xx, xxx), (y, yy, yyy): cmp(string.lower(y), string.lower(x))) - self._unit_sort_direction = False - elif selectedUnitColumn == 1: - sorted_list.sort() - if not self._value_sort_direction: - self._value_sort_direction = True - else: - sorted_list.reverse() - self._value_sort_direction = False - else: - if not self._units_sort_direction: - sorted_list.sort(lambda (x, xx, xxx), (y, yy, yyy): cmp(string.lower(x), string.lower(y))) - self._units_sort_direction = True - else: - sorted_list.sort(lambda (x, xx, xxx), (y, yy, yyy): cmp(string.lower(y), string.lower(x))) - self._units_sort_direction = False - - #Clear out the previous list of units - self._unitModel = gtk.ListStore(gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING) - self._unitsView.set_model(self._unitModel) - - #colourize each row differently for easier reading - self._unitsView.set_property('rules_hint', 1) - - #Clear out the description - text_model = gtk.TextBuffer(None) - self._unitDescription.set_buffer(text_model) - - if selectedUnitColumn == 0: - for unit, value, units in sorted_list: - iter = self._unitModel.append() - self._unitModel.set(iter, 0, unit, 1, str(value), 2, units) - elif selectedUnitColumn == 1: - for value, unit, units in sorted_list: - iter = self._unitModel.append() - self._unitModel.set(iter, 0, unit, 1, str(value), 2, units) - else: - for units, value, unit in sorted_list: - iter = self._unitModel.append() - self._unitModel.set(iter, 0, unit, 1, str(value), 2, units) - return - - def _on_click_category(self, row): - #Clear out the previous list of units - self._unitModel = gtk.ListStore(gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING) - self._unitsView.set_model(self._unitModel) - - #Colourize each row alternately for easier reading - self._unitsView.set_property('rules_hint', 1) - - #Clear out the description - text_model = gtk.TextBuffer(None) - self._unitDescription.set_buffer(text_model) - - #Determine the contents of the selected category row - selected, iter = row.get_selection().get_selected() - - self._selected_category = self._categoryModel.get_value(iter, 0) + self._update_find_selection() + resultsLeft = len(self._find_result) - self._findIndex - 1 + self._findLabel.set_text( + '%s result(s) left' % (resultsLeft, ) + ) - self._unit_sort_direction = False - self._value_sort_direction = False - self._units_sort_direction = False - self._unitNameColumn.set_sort_indicator(False) - self._unitValueColumn.set_sort_indicator(False) - self._unitSymbolColumn.set_sort_indicator(False) + def _toggle_find(self): + if self._searchLayout.get_property("visible"): + self._searchLayout.hide() + self._unitsView.grab_focus() + else: + self._searchLayout.show() + self._findEntry.grab_focus() + + def _unit_model_cmp(self, sortedModel, leftItr, rightItr): + leftUnitText = self._unitModel.get_value(leftItr, 0) + rightUnitText = self._unitModel.get_value(rightItr, 0) + return cmp(leftUnitText, rightUnitText) + + def _symbol_model_cmp(self, sortedModel, leftItr, rightItr): + leftSymbolText = self._unitModel.get_value(leftItr, 2) + rightSymbolText = self._unitModel.get_value(rightItr, 2) + return cmp(leftSymbolText, rightSymbolText) + + def _value_model_cmp(self, sortedModel, leftItr, rightItr): + #special sorting exceptions for ascii values (instead of float values) + if self._selectedCategoryName == "Computer Numbers": + leftValue = self._unitModel.get_value(leftItr, 1) + rightValue = self._unitModel.get_value(rightItr, 1) + else: + leftValueText = self._unitModel.get_value(leftItr, 1) + leftValue = float(leftValueText) if leftValueText else 0.0 + + rightValueText = self._unitModel.get_value(rightItr, 1) + rightValue = float(rightValueText) if rightValueText else 0.0 + return cmp(leftValue, rightValue) + + def _get_column_sort_stuff(self): + columns = ( + (self._unitNameColumn, "_unit_sort_direction", self._unit_model_cmp), + (self._unitValueColumn, "_value_sort_direction", self._value_model_cmp), + (self._unitSymbolColumn, "_units_sort_direction", self._symbol_model_cmp), + ) + return columns - self._unitDataInCategory = unit_data.UNIT_DESCRIPTIONS[selected.get_value(iter, 0)] - keys = self._unitDataInCategory.keys() - keys.sort() - del keys[0] # do not display .base_unit description key + def _switch_category(self, category): + self._selectedCategoryName = category + self._unitDataInCategory = unit_data.UNIT_DESCRIPTIONS[self._selectedCategoryName] #Fill up the units descriptions and clear the value cells - for key in keys: + self._clear_visible_unit_data() + for key in unit_data.get_units(self._selectedCategoryName): iter = self._unitModel.append() self._unitModel.set(iter, 0, key, 1, '', 2, self._unitDataInCategory[key][1]) + self._sortedUnitModel.sort_column_changed() + + self._select_default_unit() + def _clear_visible_unit_data(self): + self._unitDescription.get_buffer().set_text("") self._unitName.set_text('') self._unitValue.set_text('') + self._unitSymbol.set_text('') + self._previousUnitName.set_text('') self._previousUnitValue.set_text('') - self._unitSymbol.set_text('') self._previousUnitSymbol.set_text('') - self.restore_units() - - def restore_units(self): - # Restore the previous historical settings of previously selected units in this newly selected category - #Since category has just been clicked, the list will be sorted already. - if self._selected_category in self._selected_units: - if self._selected_units[self._selected_category][0]: - #self._selected_units[self._selected_category] = [selected_unit, self._selected_units[self._selected_category][0]] - - units = unit_data.UNIT_DESCRIPTIONS[self._selected_category].keys() - units.sort() - del units[0] # do not display .base_unit description key - - #Restore oldest selection first. - if self._selected_units[self._selected_category][1]: - unit_no = 0 - for unit in units: - if unit == self._selected_units[self._selected_category][1]: - self._unitsView.set_cursor(unit_no, self._unitNameColumn, True) - unit_no = unit_no+1 - - #Restore newest selection second. - unit_no = 0 - for unit in units: - if unit == self._selected_units[self._selected_category][0]: - self._unitsView.set_cursor(unit_no, self._unitNameColumn, True) - unit_no = unit_no+1 + self._unitModel.clear() + + def _select_default_unit(self): + # Restore the previous historical settings of previously selected units + # in this newly selected category + defaultPrimary = unit_data.get_base_unit(self._selectedCategoryName) + defaultSecondary = "" + if self._selectedCategoryName in self._defaultUnitForCategory: + if self._defaultUnitForCategory[self._selectedCategoryName][0]: + defaultPrimary = self._defaultUnitForCategory[self._selectedCategoryName][0] + if self._defaultUnitForCategory[self._selectedCategoryName][1]: + defaultSecondary = self._defaultUnitForCategory[self._selectedCategoryName][1] + + units = unit_data.get_units(self._selectedCategoryName) + + #Restore oldest selection first. + if defaultPrimary: + try: + unitIndex = units.index(defaultPrimary) + except ValueError: + unitIndex = 0 + self._unitsView.set_cursor(unitIndex, self._unitNameColumn, True) + + #Restore newest selection second. + if defaultSecondary: + try: + unitIndex = units.index(defaultSecondary) + except ValueError: + unitIndex = 0 + self._unitsView.set_cursor(unitIndex, self._unitNameColumn, True) # select the text so user can start typing right away self._unitValue.grab_focus() self._unitValue.select_region(0, -1) - def _on_button_released(self, row, a): - self._on_click_unit(row) - - def _on_click_unit(self, row): - self._calcsuppress = True #suppress calculations - - #Determine the contents of the selected row. - selected, iter = self._unitsView.get_selection().get_selected() + def _sanitize_value(self, userEntry): + if self._selectedCategoryName == "Computer Numbers": + if userEntry == '': + value = '0' + else: + value = userEntry + else: + if userEntry == '': + value = 0.0 + else: + value = float(userEntry) + return value - selected_unit = selected.get_value(iter, 0) + def _on_shortlist_changed(self, *args): + try: + raise NotImplementedError("%s" % self._shortlistcheck.get_active()) + except Exception: + _moduleLogger.exception("_on_shortlist_changed") - unit_spec = self._unitDataInCategory[selected_unit] + def _on_edit_shortlist(self, *args): + try: + raise NotImplementedError("%s" % self._toggleShortList.get_active()) + except Exception: + _moduleLogger.exception("_on_edit_shortlist") - #Clear out the description - text_model = gtk.TextBuffer(None) - self._unitDescription.set_buffer(text_model) + def _on_user_clear_selections(self, *args): + try: + selectionsDatPath = "/".join((constants._data_path_, "selections.dat")) + os.remove(selectionsDatPath) + self._defaultUnitForCategory = {} + except Exception: + _moduleLogger.exception("_on_user_clear_selections") - enditer = text_model.get_end_iter() - text_model.insert(enditer, unit_spec[2]) + def _on_key_press(self, widget, event, *args): + """ + @note Hildon specific + """ + RETURN_TYPES = (gtk.keysyms.Return, gtk.keysyms.ISO_Enter, gtk.keysyms.KP_Enter) + try: + if ( + event.keyval == gtk.keysyms.F6 or + event.keyval in RETURN_TYPES and event.get_state() & gtk.gdk.CONTROL_MASK + ): + if self._isFullScreen: + self._mainWindow.unfullscreen() + else: + self._mainWindow.fullscreen() + elif event.keyval == gtk.keysyms.f and event.get_state() & gtk.gdk.CONTROL_MASK: + self._toggle_find() + elif event.keyval == gtk.keysyms.p and event.get_state() & gtk.gdk.CONTROL_MASK: + self._find_previous() + elif event.keyval == gtk.keysyms.n and event.get_state() & gtk.gdk.CONTROL_MASK: + self._find_next() + except Exception, e: + _moduleLogger.exception("_on_key_press") - if self._unitName.get_text() != selected_unit: - self._previousUnitName.set_text(self._unitName.get_text()) - self._previousUnitValue.set_text(self._unitValue.get_text()) - if self._unitSymbol.get() == None: - self._previousUnitSymbol.set_text('') + def _on_window_state_change(self, widget, event, *args): + """ + @note Hildon specific + """ + try: + if event.new_window_state & gtk.gdk.WINDOW_STATE_FULLSCREEN: + self._isFullScreen = True else: - self._previousUnitSymbol.set_text(self._unitSymbol.get()) - self._unitName.set_text(selected_unit) + self._isFullScreen = False + except Exception, e: + _moduleLogger.exception("_on_window_state_change") - self._unitValue.set_text(selected.get_value(iter, 1)) + def _on_findEntry_changed(self, *args): + """ + Clear out find results since the user wants to look for something new + """ + try: + self._clear_find() + except Exception: + _moduleLogger.exception("_on_findEntry_changed") + + def _on_find_activate(self, *args): + try: + self._find_next() + self._findButton.grab_focus() + except Exception: + _moduleLogger.exception("_on_find_activate") - self._unitSymbol.set_text(unit_spec[1]) # put units into label text - if self._unitValue.get_text() == '': - if self._selected_category == "Computer Numbers": - self._unitValue.set_text("0") + def _on_click_unit_column(self, col): + """ + Sort the contents of the col when the user clicks on the title. + """ + try: + #Determine which column requires sorting + columns = self._get_column_sort_stuff() + for columnIndex, (maybeCol, directionName, col_cmp) in enumerate(columns): + if col is maybeCol: + direction = getattr(self, directionName) + gtkDirection = gtk.SORT_ASCENDING if direction else gtk.SORT_DESCENDING + + # cause a sort + self._sortedUnitModel.set_sort_column_id(columnIndex, gtkDirection) + + # set the visual for sorting + col.set_sort_indicator(True) + col.set_sort_order(not direction) + + setattr(self, directionName, not direction) + break + else: + maybeCol.set_sort_indicator(False) else: - self._unitValue.set_text("0.0") + assert False, "Unknown column: %s" % (col.get_title(), ) + except Exception: + _moduleLogger.exception("_on_click_unit_column") - #For historical purposes, record this unit as the most recent one in this category. - # Also, if a previous unit exists, then shift that previous unit to oldest unit. - if self._selected_category in self._selected_units: - if self._selected_units[self._selected_category][0]: - self._selected_units[self._selected_category] = [selected_unit, self._selected_units[self._selected_category][0]] - else: - self._selected_units[self._selected_category] = [selected_unit, ''] + def _on_category_selector_clicked(self, *args): + try: + currenntIndex = unit_data.UNIT_CATEGORIES.index(self._selectedCategoryName) + newIndex = hildonize.touch_selector( + self._mainWindow, + "Categories", + unit_data.UNIT_CATEGORIES, + currenntIndex, + ) - # select the text so user can start typing right away - self._unitValue.grab_focus() - self._unitValue.select_region(0, -1) + selectedCategoryName = unit_data.UNIT_CATEGORIES[newIndex] + self._categorySelectionButton.set_label(selectedCategoryName) + self._categoryView.set_cursor(newIndex, self._categoryColumn, False) + self._categoryView.grab_focus() + except Exception: + _moduleLogger.exception("_on_category_selector_clicked") - self._calcsuppress = False #enable calculations - - def messagebox_ok_clicked(self, a): - messagebox.hide() - - def _on_user_write_units(self, a): - ''"Write the list of categories and units to stdout for documentation purposes.''" - messagebox_model = gtk.TextBuffer(None) - messageboxtext.set_buffer(messagebox_model) - messagebox_model.insert_at_cursor(_(u'The units are being written to stdout. You can capture this printout by starting gonvert from the command line as follows: \n$ gonvert > file.txt'), -1) - messagebox.show() - while gtk.events_pending(): - gtk.mainiteration(False) - - total_categories = 0 - total_units = 0 - print 'gonvert-%s%s' % ( - constants.__version__, - _(u' - Unit Conversion Utility - Convertible units listing: ') - ) - for category_key in unit_data.UNIT_CATEGORIES: - total_categories = total_categories + 1 - print category_key, ": " - self._unitDataInCategory = unit_data.UNIT_DESCRIPTIONS[category_key] - unit_keys = self._unitDataInCategory.keys() - unit_keys.sort() - del unit_keys[0] # do not display .base_unit description key - for unit_key in unit_keys: - total_units = total_units + 1 - print "\t", unit_key - print total_categories, ' categories' - print total_units, ' units' - - def _on_unit_value_changed(self, a): - if self._calcsuppress: - #self._calcsuppress = False - return - # determine if value to be calculated is empty - if self._selected_category == "Computer Numbers": - if self._unitValue.get_text() == '': - value = '0' + def _on_click_category(self, *args): + try: + selected, iter = self._categoryView.get_selection().get_selected() + if iter is None: + # User is typing in an invalid string, not selecting any category + return + selectedCategory = self._categoryModel.get_value(iter, 0) + self._switch_category(selectedCategory) + except Exception: + _moduleLogger.exception("_on_click_category") + + def _on_click_unit(self, *args): + try: + selected, iter = self._unitsView.get_selection().get_selected() + selected_unit = selected.get_value(iter, 0) + unit_spec = self._unitDataInCategory[selected_unit] + + showSymbol = False + + if self._unitName.get_text() != selected_unit: + self._previousUnitName.set_text(self._unitName.get_text()) + self._previousUnitValue.set_text(self._unitValue.get_text()) + self._previousUnitSymbol.set_text(self._unitSymbol.get_text()) + if self._unitSymbol.get_text(): + showSymbol = True + + self._unitName.set_text(selected_unit) + self._unitValue.set_text(selected.get_value(iter, 1)) + buffer = self._unitDescription.get_buffer() + buffer.set_text(unit_spec[2]) + self._unitSymbol.set_text(unit_spec[1]) # put units into label text + if unit_spec[1]: + showSymbol = True else: - value = self._unitValue.get_text() - else: - if self._unitValue.get_text() == '': - value = 0.0 + showSymbol = False + + if showSymbol: + self._unitSymbol.show() + self._previousUnitSymbol.show() else: - value = float(self._unitValue.get_text()) + self._unitSymbol.hide() + self._previousUnitSymbol.hide() - if self._unitName.get_text() != '': - func, arg = self._unitDataInCategory[self._unitName.get_text()][0] #retrieve the conversion function and value from the selected unit - base = apply(func.to_base, (value, arg, )) #determine the base unit value + if self._unitValue.get_text() == '': + if self._selectedCategoryName == "Computer Numbers": + self._unitValue.set_text("0") + else: + self._unitValue.set_text("0.0") - keys = self._unitDataInCategory.keys() - keys.sort() - del keys[0] - row = 0 + self._defaultUnitForCategory[self._selectedCategoryName] = [ + self._unitName.get_text(), self._previousUnitName.get_text() + ] - #point to the first row - iter = self._unitModel.get_iter_first() + # select the text so user can start typing right away + self._unitValue.grab_focus() + self._unitValue.select_region(0, -1) + except Exception: + _moduleLogger.exception("_on_click_unit") - while iter: - #get the formula from the name at the row - func, arg = self._unitDataInCategory[self._unitModel.get_value(iter, 0)][0] + def _on_unit_value_changed(self, *args): + try: + if self._unitName.get_text() == '': + return + if not self._unitValue.is_focus(): + return - #set the result in the value column - self._unitModel.set(iter, 1, str(apply(func.from_base, (base, arg, )))) + #retrieve the conversion function and value from the selected unit + value = self._sanitize_value(self._unitValue.get_text()) + func, arg = self._unitDataInCategory[self._unitName.get_text()][0] + base = func.to_base(value, arg) - #point to the next row in the self._unitModel - iter = self._unitModel.iter_next(iter) + #point to the first row + for row in self._unitModel: + func, arg = self._unitDataInCategory[row[0]][0] + row[1] = str(func.from_base(base, arg)) - # if the second row has a unit then update its value + # Update the secondary unit entry if self._previousUnitName.get_text() != '': - self._calcsuppress = True func, arg = self._unitDataInCategory[self._previousUnitName.get_text()][0] - self._previousUnitValue.set_text(str(apply(func.from_base, (base, arg, )))) - self._calcsuppress = False + self._previousUnitValue.set_text(str(func.from_base(base, arg, ))) + except Exception: + _moduleLogger.exception("_on_unit_value_changed") - def _on_previous_unit_value_changed(self, a): - if self._calcsuppress == True: - #self._calcsuppress = False - return - # determine if value to be calculated is empty - if self._selected_category == "Computer Numbers": - if self._previousUnitValue.get_text() == '': - value = '0' - else: - value = self._previousUnitValue.get_text() - else: - if self._previousUnitValue.get_text() == '': - value = 0.0 - else: - value = float(self._previousUnitValue.get_text()) - - if self._previousUnitName.get_text() != '': - func, arg = self._unitDataInCategory[self._previousUnitName.get_text()][0] #retrieve the conversion function and value from the selected unit - base = apply(func.to_base, (value, arg, )) #determine the base unit value + def _on_previous_unit_value_changed(self, *args): + try: + if self._previousUnitName.get_text() == '': + return + if not self._previousUnitValue.is_focus(): + return - keys = self._unitDataInCategory.keys() - keys.sort() - del keys[0] - row = 0 + #retrieve the conversion function and value from the selected unit + value = self._sanitize_value(self._previousUnitValue.get_text()) + func, arg = self._unitDataInCategory[self._previousUnitName.get_text()][0] + base = func.to_base(value, arg) #point to the first row - iter = self._unitModel.get_iter_first() - - while iter: - #get the formula from the name at the row - func, arg = self._unitDataInCategory[self._unitModel.get_value(iter, 0)][0] - - #set the result in the value column - self._unitModel.set(iter, 1, str(apply(func.from_base, (base, arg, )))) - - #point to the next row in the self._unitModel - iter = self._unitModel.iter_next(iter) + for row in self._unitModel: + func, arg = self._unitDataInCategory[row[0]][0] + row[1] = str(func.from_base(base, arg)) - # if the second row has a unit then update its value - if self._unitName.get_text() != '': - self._calcsuppress = True - func, arg = self._unitDataInCategory[self._unitName.get_text()][0] - self._unitValue.set_text(str(apply(func.from_base, (base, arg, )))) - self._calcsuppress = False + # Update the primary unit entry + func, arg = self._unitDataInCategory[self._unitName.get_text()][0] + self._unitValue.set_text(str(func.from_base(base, arg, ))) + except Exception: + _moduleLogger.exception("_on_previous_unit_value_changed") def _on_about_clicked(self, a): dlg = gtk.AboutDialog() @@ -715,8 +729,25 @@ class Gonvert(object): dlg.run() dlg.destroy() + def _on_user_exit(self, *args): + try: + self._save_settings() + except Exception: + _moduleLogger.exception("_on_user_exit") + finally: + gtk.main_quit() + + +def run_gonvert(): + gtk.gdk.threads_init() + if hildonize.IS_HILDON_SUPPORTED: + gtk.set_application_name(constants.__pretty_app_name__) + handle = Gonvert() + if not PROFILE_STARTUP: + gtk.main() -def main(): + +if __name__ == "__main__": logging.basicConfig(level = logging.DEBUG) try: os.makedirs(constants._data_path_) @@ -724,9 +755,4 @@ def main(): if e.errno != 17: raise - gonvert = Gonvert() - gtk.main() - - -if __name__ == "__main__": - main() + run_gonvert()