import os
import pickle
import string
-import sys
import gettext
import logging
import gtk.gdk
import constants
-import evil_globals
import unit_data
def __init__(self):
self._unitDataInCategory = None
+ 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._findIndex = 0 # default to find result number zero
+
+ self._selectedCategory = '' # 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)
widgets = gtk.glade.XML(gladePath)
break
else:
+ _moduleLogger.error("UI Descriptor not found!")
+ gtk.main_quit()
return
self._mainWindow = widgets.get_widget('mainWindow')
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')
- self._about_box = widgets.get_widget('about_box')
messagebox = widgets.get_widget('msgbox')
messageboxtext = widgets.get_widget('msgboxtext')
- about_image = widgets.get_widget('about_image')
- about_image.set_from_file(pixmapspath +'gonvert.png')
- versionlabel = widgets.get_widget('versionlabel')
- versionlabel.set_text(constants.__version__)
-
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')
+ self._findButton = widgets.get_widget('findButton')
+ ToolTips = gtk.Tooltips()
+ ToolTips.set_tip(self._findButton, _(u'Find unit (F6)'))
#insert a self._categoryColumnumn into the units list even though the heading will not be seen
renderer = gtk.CellRendererText()
self._unitSymbolColumn.connect("clicked", self._on_click_unit_column)
self._unitsView.append_column(self._unitSymbolColumn)
+ self._unitModel = gtk.ListStore(gobject.TYPE_STRING, gobject.TYPE_STRING, gobject.TYPE_STRING)
+ 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)
self._categoryView.set_property('rules_hint', 1)
#Populate the catagories list
- keys = unit_data.list_dic.keys()
- keys.sort()
- for key in keys:
+ for key in unit_data.UNIT_CATEGORIES:
iter = self._categoryModel.append()
self._categoryModel.set(iter, 0, key)
- ToolTips = gtk.Tooltips()
- ToolTips.set_tip(findButton, _(u'Find unit (F6)'))
-
#--------- 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.top,
- "on_previousUnitValue_changed": self.bottom,
+ "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_user_find_units,
- "on_findEntry_key_press_event": self._on_find_key_press,
- "on_findEntry_changed": self._findEntry_changed,
+ "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_about_close_clicked": self._on_about_hide,
"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("key-press-event", self._on_key_press)
+ self._mainWindow.connect("window-state-event", self._on_window_state_change)
self._mainWindow.set_title('gonvert- %s - Unit Conversion Utility' % constants.__version__)
iconPath = pixmapspath + '/gonvert.png'
else:
_moduleLogger.warn("Error: Could not find gonvert icon: %s" % iconPath)
+ self._load_settings()
+
+ 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 selections from ~/.gonvert/selections.dat
selections = pickle.load(open(selectionsDatPath, 'r'))
#Restoring previous selections.
- #
- #Make a list of categories to determine which one to select
- categories = unit_data.list_dic.keys()
- categories.sort()
- #
- #If the 'selected_unts' has been stored, then extract evil_globals.selected_units from selections.
+ #If the 'selected_unts' has been stored, then extract self._defaultUnitForCategory from selections.
if 'selected_units' in selections:
- evil_globals.selected_units = selections['selected_units']
- #Make sure that the 'evil_globals.selected_category' has been stored.
+ self._defaultUnitForCategory = selections['selected_units']
+ #Make sure that the 'self._selectedCategory' has been stored.
if 'selected_category' in selections:
#Match an available category to the previously selected category.
- for counter in range(len(categories)):
- if selections['selected_category'] == categories[counter]:
+ 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()
self._categoryView.set_cursor(0, self._categoryColumn, False)
self._categoryView.grab_focus()
- self.restore_units()
+ self._select_default_unit()
- def _on_shortlist_changed(self, a):
- print "shortlist"
- if self._shortlistcheck.get_active():
- print "1"
- else:
- print "0"
-
- def _on_edit_shortlist(self, a):
- print "edit shortlist"
- if self._toggleShortList.get_active():
- print "1"
- else:
- print "0"
-
- def _on_user_clear_selections(self, a):
- selectionsDatPath = "/".join((constants._data_path_, "selections.dat"))
- os.remove(selectionsDatPath)
- evil_globals.selected_units = {}
-
- def _on_user_exit(self, a):
+ def _save_settings(self):
"""
This routine saves the selections to a file, and
should therefore only be called when exiting the program.
Update selections dictionary which consists of the following keys:
- 'evil_globals.selected_category': full name of selected category
- 'evil_globals.selected_units': evil_globals.selected_units dictionary which contains:
+ 'self._selectedCategory': 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()
- evil_globals.selected_category = self._categoryModel.get_value(iter, 0)
+ self._selectedCategory = self._categoryModel.get_value(iter, 0)
selections = {
- 'selected_category': evil_globals.selected_category,
- 'selected_units': evil_globals.selected_units
+ 'selected_category': self._selectedCategory,
+ 'selected_units': self._defaultUnitForCategory
}
selectionsDatPath = "/".join((constants._data_path_, "selections.dat"))
pickle.dump(selections, open(selectionsDatPath, 'w'))
windowDatPath = "/".join((constants._data_path_, "window.dat"))
pickle.dump(window_settings, open(windowDatPath, 'w'))
- gtk.mainquit
- sys.exit()
+ def _clear_find(self):
+ # switch to "new find" state
+ self._find_result = []
+ self._findIndex = 0
- def _findEntry_changed(self, a):
- #Clear out find results since the user wants to look for something new
- evil_globals.find_result = [] #empty find result list
- evil_globals.find_count = 0 #default to find result number zero
- self._findLabel.set_text('') #clear result
+ # Clear our user message
+ self._findLabel.set_text('')
- def _on_find_key_press(self, a, b):
- #Check if the key pressed was an ASCII key
- if len(b.string)>0:
- #Check if the key pressed was the 'Enter' key
- if ord(b.string[0]) == 13:
- #Execute the find units function
- _on_user_find_units(1)
+ def _find_first(self):
+ assert len(self._find_result) == 0
+ assert self._findIndex == 0
+ findString = string.lower(string.strip(self._findEntry.get_text()))
+ if not findString:
+ return
- def _on_about_clicked(self, a):
- self._about_box.show()
+ # Gather info on all the matching units from all categories
+ for catIndex, category in enumerate(unit_data.UNIT_CATEGORIES):
+ units = unit_data.get_units(category)
+ for unitIndex, unit in enumerate(units):
+ loweredUnit = unit.lower()
+ if loweredUnit in findString or findString in loweredUnit:
+ self._find_result.append((category, unit, catIndex, unitIndex))
+
+ def _update_find_selection(self):
+ assert 0 < len(self._find_result)
+
+ #check if next find is in a new category (prevent category changes when unnecessary
+ if self._selectedCategory != self._find_result[self._findIndex][0]:
+ self._categoryView.set_cursor(
+ self._find_result[self._findIndex][2], self._categoryColumn, False
+ )
+
+ self._unitsView.set_cursor(
+ self._find_result[self._findIndex][3], self._unitNameColumn, True
+ )
- def _on_about_hide(self, *args):
- self._about_box.hide()
- return gtk.TRUE
+ def _find_next(self):
+ """
+ check if 'new find' or 'last find' or 'next-find'
- def messagebox_ok_clicked(self, a):
- messagebox.hide()
+ new-find = run the find algorithm which also selects the first found unit
+ = self._findIndex = 0 and self._find_result = []
- def _on_user_find_units(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
- # = evil_globals.find_count = 0 and evil_globals.find_result = []
-
- #last-find = restart from top again
- # = evil_globals.find_count = len(evil_globals.find_result)
-
- #next-find = continue to next found location
- # = evil_globals.find_count = 0 and len(evil_globals.find_result)>0
-
- #check for new-find
- if len(evil_globals.find_result) == 0:
- find_string = string.lower(string.strip(self._findEntry.get_text()))
- #Make sure that a valid find string has been requested
- if len(find_string)>0:
- categories = unit_data.list_dic.keys()
- categories.sort()
- found_a_unit = 0 #reset the 'found-a-unit' flag
- cat_no = 0
- for category in categories:
- units = unit_data.list_dic[category].keys()
- units.sort()
- del units[0] # do not display .base_unit description key
- unit_no = 0
- for unit in units:
- if string.find(string.lower(unit), find_string) >= 0:
- found_a_unit = 1 #indicate that a unit was found
- #print "'", find_string, "'", " found at category = ", category, " unit = ", unit
- evil_globals.find_result.append((category, unit, cat_no, unit_no))
- unit_no = unit_no+1
- cat_no = cat_no+1
-
- if found_a_unit == 1:
- #select the first found unit
- evil_globals.find_count = 0
- #check if next find is in a new category (prevent category changes when unnecessary
- if evil_globals.selected_category != evil_globals.find_result[evil_globals.find_count][0]:
- self._categoryView.set_cursor(evil_globals.find_result[0][2], self._categoryColumn, False)
- self._unitsView.set_cursor(evil_globals.find_result[0][3], self._unitNameColumn, True)
- if len(evil_globals.find_result)>1:
- self._findLabel.set_text(('Press Find for next unit. '+ str(len(evil_globals.find_result))+' result(s).'))
- else:
- self._findLabel.set_text('Text not found') #Display error
- else: #must be next-find or last-find
- #check for last-find
- if evil_globals.find_count == len(evil_globals.find_result)-1:
- #select first result
- evil_globals.find_count = 0
- self._categoryView.set_cursor(evil_globals.find_result[evil_globals.find_count][2], self._categoryColumn, False)
- self._unitsView.set_cursor(evil_globals.find_result[evil_globals.find_count][3], self._unitNameColumn, True)
- else: #must be next-find
- evil_globals.find_count = evil_globals.find_count+1
- #check if next find is in a new category (prevent category changes when unnecessary
- if evil_globals.selected_category != evil_globals.find_result[evil_globals.find_count][0]:
- self._categoryView.set_cursor(evil_globals.find_result[evil_globals.find_count][2], self._categoryColumn, False)
- self._unitsView.set_cursor(evil_globals.find_result[evil_globals.find_count][3], self._unitNameColumn, True)
+ last-find = restart from top again
+ = self._findIndex = len(self._find_result)
- def _on_click_unit_column(self, col):
- """
- Sort the contents of the col when the user clicks on the title.
+ next-find = continue to next found location
+ = self._findIndex = 0 and len(self._find_result)>0
"""
- #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 evil_globals.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 evil_globals.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 evil_globals.units_sort_direction)
+ 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 evil_globals.selected_category == "Computer Numbers":
- value_text = self._unitModel.get_value(iter, 1)
+ if self._findIndex == len(self._find_result)-1:
+ self._findIndex = 0
else:
- if self._unitModel.get_value(iter, 1) == None or unit_model.get_value(iter, 1) == '':
- value_text = ''
- else:
- value_text = float(self._unitModel.get_value(iter, 1))
+ self._findIndex += 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))
- 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
-
- #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 evil_globals.unit_sort_direction:
- sorted_list.sort(lambda (x, xx, xxx), (y, yy, yyy): cmp(string.lower(x), string.lower(y)))
- evil_globals.unit_sort_direction = True
- else:
- sorted_list.sort(lambda (x, xx, xxx), (y, yy, yyy): cmp(string.lower(y), string.lower(x)))
- evil_globals.unit_sort_direction = False
- elif selectedUnitColumn == 1:
- sorted_list.sort()
- if not evil_globals.value_sort_direction:
- evil_globals.value_sort_direction = True
- else:
- sorted_list.reverse()
- evil_globals.value_sort_direction = False
- else:
- if not evil_globals.units_sort_direction:
- sorted_list.sort(lambda (x, xx, xxx), (y, yy, yyy): cmp(string.lower(x), string.lower(y)))
- evil_globals.units_sort_direction = True
- else:
- sorted_list.sort(lambda (x, xx, xxx), (y, yy, yyy): cmp(string.lower(y), string.lower(x)))
- evil_globals.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)
+ self._update_find_selection()
+ resultsLeft = len(self._find_result) - self._findIndex - 1
+ self._findLabel.set_text(
+ '%s result(s) left' % (resultsLeft, )
+ )
- #Colourize each row alternately for easier reading
- self._unitsView.set_property('rules_hint', 1)
+ def _find_previous(self):
+ """
+ check if 'new find' or 'last find' or 'next-find'
- #Clear out the description
- text_model = gtk.TextBuffer(None)
- self._unitDescription.set_buffer(text_model)
+ new-find = run the find algorithm which also selects the first found unit
+ = self._findIndex = 0 and self._find_result = []
- #Determine the contents of the selected category row
- selected, iter = row.get_selection().get_selected()
+ last-find = restart from top again
+ = self._findIndex = len(self._find_result)
- evil_globals.selected_category = self._categoryModel.get_value(iter, 0)
+ next-find = continue to next found location
+ = self._findIndex = 0 and len(self._find_result)>0
+ """
+ if len(self._find_result) == 0:
+ self._find_first()
+ else:
+ if self._findIndex == 0:
+ self._findIndex = len(self._find_result)-1
+ else:
+ self._findIndex -= 1
- evil_globals.unit_sort_direction = False
- evil_globals.value_sort_direction = False
- evil_globals.units_sort_direction = False
- self._unitNameColumn.set_sort_indicator(False)
- self._unitValueColumn.set_sort_indicator(False)
- self._unitSymbolColumn.set_sort_indicator(False)
+ if not self._find_result:
+ self._findLabel.set_text('Text not found')
+ else:
+ self._update_find_selection()
+ resultsLeft = len(self._find_result) - self._findIndex - 1
+ self._findLabel.set_text(
+ '%s result(s) left' % (resultsLeft, )
+ )
+
+ def _toggle_find(self):
+ if self._searchLayout.get_property("visible"):
+ self._searchLayout.hide()
+ else:
+ self._searchLayout.show()
+
+ 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._selectedCategory == "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.list_dic[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._selectedCategory = category
+ self._unitDataInCategory = unit_data.UNIT_DESCRIPTIONS[self._selectedCategory]
#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._selectedCategory):
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 evil_globals.selected_category in evil_globals.selected_units:
- if evil_globals.selected_units[evil_globals.selected_category][0]:
- ''"debug ''"
- #evil_globals.selected_units[evil_globals.selected_category] = [selected_unit, evil_globals.selected_units[evil_globals.selected_category][0]]
-
- units = unit_data.list_dic[evil_globals.selected_category].keys()
- units.sort()
- del units[0] # do not display .base_unit description key
-
- #Restore oldest selection first.
- if evil_globals.selected_units[evil_globals.selected_category][1]:
- unit_no = 0
- for unit in units:
- if unit == evil_globals.selected_units[evil_globals.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 == evil_globals.selected_units[evil_globals.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
+ if self._selectedCategory in self._defaultUnitForCategory:
+ units = unit_data.get_units(self._selectedCategory)
+
+ #Restore oldest selection first.
+ if self._defaultUnitForCategory[self._selectedCategory][1]:
+ unitIndex = units.index(self._defaultUnitForCategory[self._selectedCategory][1])
+ self._unitsView.set_cursor(unitIndex, self._unitNameColumn, True)
+
+ #Restore newest selection second.
+ if self._defaultUnitForCategory[self._selectedCategory][0]:
+ unitIndex = units.index(self._defaultUnitForCategory[self._selectedCategory][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 _sanitize_value(self, userEntry):
+ if self._selectedCategory == "Computer Numbers":
+ if userEntry == '':
+ value = '0'
+ else:
+ value = userEntry
+ else:
+ if userEntry == '':
+ value = 0.0
+ else:
+ value = float(userEntry)
+ return value
+
+ def _on_shortlist_changed(self, *args):
+ try:
+ raise NotImplementedError("%s" % self._shortlistcheck.get_active())
+ except Exception:
+ _moduleLogger.exception("")
+
+ def _on_edit_shortlist(self, *args):
+ try:
+ raise NotImplementedError("%s" % self._toggleShortList.get_active())
+ except Exception:
+ _moduleLogger.exception("")
+
+ def _on_user_clear_selections(self, *args):
+ try:
+ selectionsDatPath = "/".join((constants._data_path_, "selections.dat"))
+ os.remove(selectionsDatPath)
+ self._defaultUnitForCategory = {}
+ except Exception:
+ _moduleLogger.exception("")
+
+ 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("")
+
+ 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._isFullScreen = False
+ except Exception, e:
+ _moduleLogger.exception("")
+
+ 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("")
+
+ def _on_find_activate(self, *args):
+ try:
+ self._find_next()
+ self._findButton.grab_focus()
+ except Exception:
+ _moduleLogger.exception("")
+
+ 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:
+ assert False, "Unknown column: %s" % (col.get_title(), )
+ except Exception:
+ _moduleLogger.exception("")
+
+ def _on_click_category(self, *args):
+ try:
+ selected, iter = self._categoryView.get_selection().get_selected()
+ selectedCategory = self._categoryModel.get_value(iter, 0)
+ self._switch_category(selectedCategory)
+ except Exception:
+ _moduleLogger.exception("")
+
+ 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]
+
+ 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())
- def _on_click_unit(self, row):
- evil_globals.calcsuppress = 1 #suppress calculations
+ 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
- #Determine the contents of the selected row.
- selected, iter = self._unitsView.get_selection().get_selected()
+ if self._unitValue.get_text() == '':
+ if self._selectedCategory == "Computer Numbers":
+ self._unitValue.set_text("0")
+ else:
+ self._unitValue.set_text("0.0")
- selected_unit = selected.get_value(iter, 0)
+ self._defaultUnitForCategory[self._selectedCategory] = [
+ self._unitName.get_text(), self._previousUnitName.get_text()
+ ]
- unit_spec = self._unitDataInCategory[selected_unit]
+ # select the text so user can start typing right away
+ self._unitValue.grab_focus()
+ self._unitValue.select_region(0, -1)
+ except Exception:
+ _moduleLogger.exception("")
- #Clear out the description
- text_model = gtk.TextBuffer(None)
- self._unitDescription.set_buffer(text_model)
+ def _on_unit_value_changed(self, *args):
+ try:
+ if self._unitName.get_text() == '':
+ return
+ if not self._unitValue.is_focus():
+ return
- enditer = text_model.get_end_iter()
- text_model.insert(enditer, unit_spec[2])
+ value = self._sanitize_value(self._unitValue.get_text())
- 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('')
- else:
- self._previousUnitSymbol.set_text(self._unitSymbol.get())
- self._unitName.set_text(selected_unit)
+ #retrieve the conversion function and value from the selected unit
+ func, arg = self._unitDataInCategory[self._unitName.get_text()][0]
+ base = func.to_base(value, arg)
- self._unitValue.set_text(selected.get_value(iter, 1))
+ #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))
- self._unitSymbol.set_text(unit_spec[1]) # put units into label text
- if self._unitValue.get_text() == '':
- if evil_globals.selected_category == "Computer Numbers":
- self._unitValue.set_text("0")
- else:
- self._unitValue.set_text("0.0")
+ # if the second row has a unit then update its value
+ if self._previousUnitName.get_text() != '':
+ func, arg = self._unitDataInCategory[self._previousUnitName.get_text()][0]
+ self._previousUnitValue.set_text(str(func.from_base(base, arg, )))
+ except Exception:
+ _moduleLogger.exception("")
- #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 evil_globals.selected_category in evil_globals.selected_units:
- if evil_globals.selected_units[evil_globals.selected_category][0]:
- evil_globals.selected_units[evil_globals.selected_category] = [selected_unit, evil_globals.selected_units[evil_globals.selected_category][0]]
- else:
- evil_globals.selected_units[evil_globals.selected_category] = [selected_unit, '']
+ def _on_previous_unit_value_changed(self, *args):
+ try:
+ if self._previousUnitName.get_text() == '':
+ return
+ if not self._previousUnitValue.is_focus():
+ return
- # select the text so user can start typing right away
- self._unitValue.grab_focus()
- self._unitValue.select_region(0, -1)
+ value = self._sanitize_value(self._previousUnitValue.get_text())
+
+ #retrieve the conversion function and value from the selected unit
+ func, arg = self._unitDataInCategory[self._previousUnitName.get_text()][0]
+ base = func.to_base(value, arg)
- evil_globals.calcsuppress = 0 #enable calculations
+ #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
+ if self._unitName.get_text() != '':
+ func, arg = self._unitDataInCategory[self._unitName.get_text()][0]
+ self._unitValue.set_text(str(func.from_base(base, arg, )))
+ except Exception:
+ _moduleLogger.exception("")
+
+ 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.show()
while gtk.events_pending():
gtk.mainiteration(False)
- category_keys = unit_data.list_dic.keys()
- category_keys.sort()
+
total_categories = 0
total_units = 0
print 'gonvert-%s%s' % (
constants.__version__,
_(u' - Unit Conversion Utility - Convertible units listing: ')
)
- for category_key in category_keys:
+ for category_key in unit_data.UNIT_CATEGORIES:
total_categories = total_categories + 1
print category_key, ": "
- self._unitDataInCategory = unit_data.list_dic[category_key]
- unit_keys = self._unitDataInCategory.keys()
- unit_keys.sort()
- del unit_keys[0] # do not display .base_unit description key
+ self._unitDataInCategory = unit_data.UNIT_DESCRIPTIONS[category_key]
+ unit_keys = unit_data.get_units_from_category(self._unitDataInCategory)
for unit_key in unit_keys:
total_units = total_units + 1
print "\t", unit_key
print total_categories, ' categories'
print total_units, ' units'
- messagebox_model = gtk.TextBuffer(None)
- messageboxtext.set_buffer(messagebox_model)
- messagebox_model.insert_at_cursor(_(u'The units list has been written to stdout. You can capture this printout by starting gonvert from the command line as follows: \n$ gonvert > file.txt'), -1)
- def top(self, a):
- if evil_globals.calcsuppress == 1:
- #evil_globals.calcsuppress = 0
- return
- # determine if value to be calculated is empty
- if evil_globals.selected_category == "Computer Numbers":
- if self._unitValue.get_text() == '':
- value = '0'
- else:
- value = self._unitValue.get_text()
- else:
- if self._unitValue.get_text() == '':
- value = 0.0
- else:
- value = float(self._unitValue.get_text())
-
- 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
-
- keys = self._unitDataInCategory.keys()
- keys.sort()
- del keys[0]
- row = 0
-
- #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)
-
- # if the second row has a unit then update its value
- if self._previousUnitName.get_text() != '':
- evil_globals.calcsuppress = 1
- func, arg = self._unitDataInCategory[self._previousUnitName.get_text()][0]
- self._previousUnitValue.set_text(str(apply(func.from_base, (base, arg, ))))
- evil_globals.calcsuppress = 0
-
- def bottom(self, a):
- if evil_globals.calcsuppress == 1:
- #evil_globals.calcsuppress = 0
- return
- # determine if value to be calculated is empty
- if evil_globals.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
-
- keys = self._unitDataInCategory.keys()
- keys.sort()
- del keys[0]
- row = 0
-
- #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)
-
- # if the second row has a unit then update its value
- if self._unitName.get_text() != '':
- evil_globals.calcsuppress = 1
- func, arg = self._unitDataInCategory[self._unitName.get_text()][0]
- self._unitValue.set_text(str(apply(func.from_base, (base, arg, ))))
- evil_globals.calcsuppress = 0
+ def _on_about_clicked(self, a):
+ dlg = gtk.AboutDialog()
+ dlg.set_name(constants.__pretty_app_name__)
+ dlg.set_version("%s-%d" % (constants.__version__, constants.__build__))
+ dlg.set_copyright("Copyright 2009 - GPL")
+ dlg.set_comments("")
+ dlg.set_website("http://unihedron.com/projects/gonvert/gonvert.php")
+ dlg.set_authors(["Anthony Tekatch <anthony@unihedron.com>", "Ed Page <edpage@byu.net>"])
+ dlg.run()
+ dlg.destroy()
+
+ def _on_user_exit(self, *args):
+ try:
+ self._save_settings()
+ except Exception:
+ _moduleLogger.exception("")
+ finally:
+ gtk.main_quit()
def main():
projects / gonvert / blobdiff