class BrowserBrick(BaseComponents.BlissWidget): def __init__(self, *args): BaseComponents.BlissWidget.__init__(self, *args) #map displayed string in the history list -> actual file path self.history_map = dict() self.layout = QVBoxLayout(self) self.defineSlot('load_file', ()) self.defineSlot('login_changed', ()) self.addProperty('mnemonic', 'string', '') self.addProperty('history', 'string', '', hidden=True) self.addProperty('sessions ttl (in days)', 'integer', '30') #make sure the history property is a pickled dict try: hist = pickle.loads(self.getProperty('history').getValue()) except: # EOFError if the string is empty but let's not count on it self.getProperty('history').setValue(pickle.dumps(dict())) # maybe defer that for later self.cleanup_history() self.main_layout = QSplitter(self) self.main_layout.setSizePolicy(QSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.MinimumExpanding)) # left part of the splitter self.history_box = QVBox(self.main_layout) self.history_box.setSizePolicy(QSizePolicy.Preferred, QSizePolicy.Preferred) self.sort_order = True self.sort_col = None self.history = QTable(self.history_box) self.history.setSizePolicy(QSizePolicy(QSizePolicy.Minimum, QSizePolicy.MinimumExpanding)) self.history.setSelectionMode(QTable.SingleRow) self.history.setNumCols(3) self.history.verticalHeader().hide() self.history.setLeftMargin(0) self.history.setSorting(False) QObject.connect(self.history, SIGNAL('currentChanged(int,int)'), self.history_changed) #by default sorting only sorts the columns and not whole rows. #let's reimplement that QObject.connect(self.history.horizontalHeader(), SIGNAL('clicked(int)'), self.sort_column) header = self.history.horizontalHeader() header.setLabel(0, 'Time and date') header.setLabel(1, 'Prefix') header.setLabel(2, 'Run number') self.clear_history_button = QPushButton('Clear history', self.history_box) self.history_box.setSizePolicy(QSizePolicy.Preferred, QSizePolicy.Fixed) QObject.connect(self.clear_history_button, SIGNAL('clicked()'), self.clear_history) # Right part of the splitter self.browser_box = QWidget(self.main_layout) QVBoxLayout(self.browser_box) self.browser_box.setSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.MinimumExpanding) self.top_layout = QHBoxLayout(self.browser_box) self.back_button = QToolButton(self.browser_box) self.back_button.setIconSet(QIconSet(Icons.load('Left2'))) self.back_button.setTextLabel('Back') self.back_button.setUsesTextLabel(True) self.back_button.setTextPosition(QToolButton.BelowIcon) self.back_button.setSizePolicy(QSizePolicy(QSizePolicy.Minimum, QSizePolicy.Minimum)) self.forward_button = QToolButton(self.browser_box) self.forward_button.setIconSet(QIconSet(Icons.load('Right2'))) self.forward_button.setTextLabel('Forward') self.forward_button.setUsesTextLabel(True) self.forward_button.setTextPosition(QToolButton.BelowIcon) self.forward_button.setSizePolicy(QSizePolicy(QSizePolicy.Minimum, QSizePolicy.Minimum)) self.top_layout.addWidget(self.back_button) self.top_layout.addWidget(self.forward_button) self.browser_box.layout().addLayout(self.top_layout) self.browser = QTextBrowser(self.browser_box) self.browser.setReadOnly(True) self.browser_box.layout().addWidget(self.browser) self.layout.addWidget(self.main_layout) #initially disabled self.forward_button.setEnabled(False) self.back_button.setEnabled(False) #connections QObject.connect(self.browser, SIGNAL('backwardAvailable(bool)'), self.back_button.setEnabled) QObject.connect(self.browser, SIGNAL('forwardAvailable(bool)'), self.forward_button.setEnabled) QObject.connect(self.back_button, SIGNAL('clicked()'), self.browser.backward) QObject.connect(self.forward_button, SIGNAL('clicked()'), self.browser.forward) self.edna = None # resize the splitter to something like 1/4-3/4 # width = self.main_layout.width() # left = width / 4.0 # right = width - left # logging.debug('setting splitter sizes to %d and %d', left, right) # self.main_layout.setSizes([left, right]) def sort_column(self, col_number): logging.debug('%s: sorting with column %d', self, col_number) if col_number == self.sort_column: # switch the sort order self.sort_order = self.sort_order ^ True else: self.sort_order = True #else, ascending self.sort_column = col_number self.history.sortColumn(col_number, self.sort_order, True) # put the right decoration on the header label if self.sort_order: direction = Qt.Ascending else: direction = Qt.Descending self.history.horizontalHeader().setSortIndicator(col_number, direction) def load_file(self, path): if self.browser.mimeSourceFactory().data(path) == None: self.browser.setText('<center>FILE NOT FOUND</center>') else: self.browser.setSource(abspath(path)) def history_changed(self, row, col): logging.debug('history elem selected: %d:%d', row, col) index = (str(self.history.text(row,0)), str(self.history.text(row,1)), str(self.history.text(row,2))) try: path = self.history_map[index] self.load_file(path) except KeyError as e: # can happen when qt sends us the signal with # null data and we get the key ("","","") pass def new_html(self, html_path, image_prefix, run_number): logging.getLogger().debug('got a new html page: %s, prefix: %r, run number: %s', html_path, image_prefix, run_number) # prepend the time and date to the path we just got so # the history is more readable time_string = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()) index = (time_string, str(image_prefix), str(run_number)) self.history_map[index] = html_path # synchronize the history prop if self.current_user is not None: whole_history = pickle.loads(self.getProperty('history').getValue()) whole_history[self.current_user] = self.history_map self.getProperty('history').setValue(pickle.dumps(whole_history)) self.history.insertRows(self.history.numRows()) logging.debug('numRows() is %d', self.history.numRows()) rows = self.history.numRows() - 1 self.history.setText(rows, 0, QString(time_string)) self.history.setText(rows, 1, QString(str(image_prefix))) self.history.setText(rows, 2, QString(str(run_number))) logging.debug('numRows() is %d', self.history.numRows()) self.load_file(html_path) def clear_history(self): self.history_map.clear() self.history.setNumRows(0) def propertyChanged(self, prop, oldval, newval): if prop == 'mnemonic': logging.getLogger().debug('BrowserBrick: using edna object %s', newval) if self.edna is not None: self.disconnect(self.edna, PYSIGNAL('newEDNAHTML'), self.new_html) self.edna = self.getHardwareObject(newval) logging.getLogger().debug('edna object is now: %s', self.edna) self.connect(self.edna, PYSIGNAL('newEDNAHTML'), self.new_html) def run(self): pass def login_changed(self, session_id,prop_code=None,prop_number=None,prop_id=None,expiration_time=0): logging.debug('BrowserBrick::login_changed: login changed to %r', session_id) if session_id is None: # user logged out logging.debug('user logged out') self.current_user = None else: self.current_user = (prop_code, prop_number) logging.debug('current user is now %r', self.current_user) self.clear_all() self.fill_history_for(self.current_user) def clear_all(self): self.clear_history() self.browser.setText('') def fill_history_for(self, user): if user is None: return logging.debug('loading history for user %s', user) whole_history = pickle.loads(self.getProperty('history').getValue()) try: self.history_map = whole_history[user] except KeyError: #user has no history yet self.history_map = dict() for k,v in self.history_map.items(): self.history.insertRows(self.history.numRows()) logging.debug('numRows() is %d', self.history.numRows()) rows = self.history.numRows() - 1 self.history.setText(rows, 0, k[0]) self.history.setText(rows, 1, k[1]) self.history.setText(rows, 2, k[2]) def cleanup_history(self): histories = pickle.loads(self.getProperty('history').getValue()) sessions_ttl = self.getProperty('sessions ttl (in days)').getValue() limit_date = datetime.now() - timedelta(sessions_ttl) #we're mutating the dict so do not use iteritems() just to be sure for user in list(histories.keys()): history = histories[user] #get the keys where the date is more recent than the limit date valid_keys = [x for x in list(history.keys()) if datetime.strptime(x[0], '%Y-%m-%d %H:%M:%S') > limit_date] #NB: old format was "%a, %d %b %Y %H:%M:%S" if len(valid_keys) != len(history): # some entries are too old, copy only the ones that are recent enough new_hist = dict((k,history[k]) for k in valid_keys) logging.debug('BrowserBrick: removed %d entries from saved history for user %s', len(history) - len(valid_keys), user) histories[user] = new_hist self.getProperty('history').setValue(pickle.dumps(histories))
def sortColumn(self, col, ascending, wholeRows): QTable.sortColumn(self, col, ascending, True)
class BrowserBrick(BaseComponents.BlissWidget): def __init__(self, *args): BaseComponents.BlissWidget.__init__(self, *args) #map displayed string in the history list -> actual file path self.history_map = dict() self.layout = QVBoxLayout(self) self.defineSlot('load_file', ()) self.defineSlot('login_changed', ()) self.addProperty('mnemonic', 'string', '') self.addProperty('history', 'string', '', hidden=True) self.addProperty('sessions ttl (in days)', 'integer', '30') #make sure the history property is a pickled dict try: hist = pickle.loads(self.getProperty('history').getValue()) except: # EOFError if the string is empty but let's not count on it self.getProperty('history').setValue(pickle.dumps(dict())) # maybe defer that for later self.cleanup_history() self.main_layout = QSplitter(self) self.main_layout.setSizePolicy(QSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.MinimumExpanding)) # left part of the splitter self.history_box = QVBox(self.main_layout) self.history_box.setSizePolicy(QSizePolicy.Preferred, QSizePolicy.Preferred) self.sort_order = True self.sort_col = None self.history = QTable(self.history_box) self.history.setSizePolicy(QSizePolicy(QSizePolicy.Minimum, QSizePolicy.MinimumExpanding)) self.history.setSelectionMode(QTable.SingleRow) self.history.setNumCols(3) self.history.verticalHeader().hide() self.history.setLeftMargin(0) self.history.setSorting(False) QObject.connect(self.history, SIGNAL('currentChanged(int,int)'), self.history_changed) #by default sorting only sorts the columns and not whole rows. #let's reimplement that QObject.connect(self.history.horizontalHeader(), SIGNAL('clicked(int)'), self.sort_column) header = self.history.horizontalHeader() header.setLabel(0, 'Time and date') header.setLabel(1, 'Prefix') header.setLabel(2, 'Run number') self.clear_history_button = QPushButton('Clear history', self.history_box) self.history_box.setSizePolicy(QSizePolicy.Preferred, QSizePolicy.Fixed) QObject.connect(self.clear_history_button, SIGNAL('clicked()'), self.clear_history) # Right part of the splitter self.browser_box = QWidget(self.main_layout) QVBoxLayout(self.browser_box) self.browser_box.setSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.MinimumExpanding) self.top_layout = QHBoxLayout(self.browser_box) self.back_button = QToolButton(self.browser_box) self.back_button.setIconSet(QIconSet(Icons.load('Left2'))) self.back_button.setTextLabel('Back') self.back_button.setUsesTextLabel(True) self.back_button.setTextPosition(QToolButton.BelowIcon) self.back_button.setSizePolicy(QSizePolicy(QSizePolicy.Minimum, QSizePolicy.Minimum)) self.forward_button = QToolButton(self.browser_box) self.forward_button.setIconSet(QIconSet(Icons.load('Right2'))) self.forward_button.setTextLabel('Forward') self.forward_button.setUsesTextLabel(True) self.forward_button.setTextPosition(QToolButton.BelowIcon) self.forward_button.setSizePolicy(QSizePolicy(QSizePolicy.Minimum, QSizePolicy.Minimum)) self.top_layout.addWidget(self.back_button) self.top_layout.addWidget(self.forward_button) self.browser_box.layout().addLayout(self.top_layout) self.browser = QTextBrowser(self.browser_box) self.browser.setReadOnly(True) self.browser_box.layout().addWidget(self.browser) self.layout.addWidget(self.main_layout) #initially disabled self.forward_button.setEnabled(False) self.back_button.setEnabled(False) #connections QObject.connect(self.browser, SIGNAL('backwardAvailable(bool)'), self.back_button.setEnabled) QObject.connect(self.browser, SIGNAL('forwardAvailable(bool)'), self.forward_button.setEnabled) QObject.connect(self.back_button, SIGNAL('clicked()'), self.browser.backward) QObject.connect(self.forward_button, SIGNAL('clicked()'), self.browser.forward) self.edna = None # resize the splitter to something like 1/4-3/4 # width = self.main_layout.width() # left = width / 4.0 # right = width - left # logging.debug('setting splitter sizes to %d and %d', left, right) # self.main_layout.setSizes([left, right]) def sort_column(self, col_number): logging.debug('%s: sorting with column %d', self, col_number) if col_number == self.sort_column: # switch the sort order self.sort_order = self.sort_order ^ True else: self.sort_order = True #else, ascending self.sort_column = col_number self.history.sortColumn(col_number, self.sort_order, True) # put the right decoration on the header label if self.sort_order: direction = Qt.Ascending else: direction = Qt.Descending self.history.horizontalHeader().setSortIndicator(col_number, direction) def load_file(self, path): if self.browser.mimeSourceFactory().data(path) == None: self.browser.setText('<center>FILE NOT FOUND</center>') else: self.browser.setSource(abspath(path)) def history_changed(self, row, col): logging.debug('history elem selected: %d:%d', row, col) index = (str(self.history.text(row,0)), str(self.history.text(row,1)), str(self.history.text(row,2))) try: path = self.history_map[index] self.load_file(path) except KeyError, e: # can happen when qt sends us the signal with # null data and we get the key ("","","") pass
class BrowserBrick(BaseComponents.BlissWidget): def __init__(self, *args): BaseComponents.BlissWidget.__init__(self, *args) #map displayed string in the history list -> actual file path self.history_map = dict() self.layout = QVBoxLayout(self) self.defineSlot('load_file', ()) self.defineSlot('login_changed', ()) self.addProperty('mnemonic', 'string', '') self.addProperty('history', 'string', '', hidden=True) self.addProperty('sessions ttl (in days)', 'integer', '30') #make sure the history property is a pickled dict try: hist = pickle.loads(self.getProperty('history').getValue()) except: # EOFError if the string is empty but let's not count on it self.getProperty('history').setValue(pickle.dumps(dict())) # maybe defer that for later self.cleanup_history() self.main_layout = QSplitter(self) self.main_layout.setSizePolicy( QSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.MinimumExpanding)) # left part of the splitter self.history_box = QVBox(self.main_layout) self.history_box.setSizePolicy(QSizePolicy.Preferred, QSizePolicy.Preferred) self.sort_order = True self.sort_col = None self.history = QTable(self.history_box) self.history.setSizePolicy( QSizePolicy(QSizePolicy.Minimum, QSizePolicy.MinimumExpanding)) self.history.setSelectionMode(QTable.SingleRow) self.history.setNumCols(3) self.history.verticalHeader().hide() self.history.setLeftMargin(0) self.history.setSorting(False) QObject.connect(self.history, SIGNAL('currentChanged(int,int)'), self.history_changed) #by default sorting only sorts the columns and not whole rows. #let's reimplement that QObject.connect(self.history.horizontalHeader(), SIGNAL('clicked(int)'), self.sort_column) header = self.history.horizontalHeader() header.setLabel(0, 'Time and date') header.setLabel(1, 'Prefix') header.setLabel(2, 'Run number') self.clear_history_button = QPushButton('Clear history', self.history_box) self.history_box.setSizePolicy(QSizePolicy.Preferred, QSizePolicy.Fixed) QObject.connect(self.clear_history_button, SIGNAL('clicked()'), self.clear_history) # Right part of the splitter self.browser_box = QWidget(self.main_layout) QVBoxLayout(self.browser_box) self.browser_box.setSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.MinimumExpanding) self.top_layout = QHBoxLayout(self.browser_box) self.back_button = QToolButton(self.browser_box) self.back_button.setIconSet(QIconSet(Icons.load('Left2'))) self.back_button.setTextLabel('Back') self.back_button.setUsesTextLabel(True) self.back_button.setTextPosition(QToolButton.BelowIcon) self.back_button.setSizePolicy( QSizePolicy(QSizePolicy.Minimum, QSizePolicy.Minimum)) self.forward_button = QToolButton(self.browser_box) self.forward_button.setIconSet(QIconSet(Icons.load('Right2'))) self.forward_button.setTextLabel('Forward') self.forward_button.setUsesTextLabel(True) self.forward_button.setTextPosition(QToolButton.BelowIcon) self.forward_button.setSizePolicy( QSizePolicy(QSizePolicy.Minimum, QSizePolicy.Minimum)) self.top_layout.addWidget(self.back_button) self.top_layout.addWidget(self.forward_button) self.browser_box.layout().addLayout(self.top_layout) self.browser = QTextBrowser(self.browser_box) self.browser.setReadOnly(True) self.browser_box.layout().addWidget(self.browser) self.layout.addWidget(self.main_layout) #initially disabled self.forward_button.setEnabled(False) self.back_button.setEnabled(False) #connections QObject.connect(self.browser, SIGNAL('backwardAvailable(bool)'), self.back_button.setEnabled) QObject.connect(self.browser, SIGNAL('forwardAvailable(bool)'), self.forward_button.setEnabled) QObject.connect(self.back_button, SIGNAL('clicked()'), self.browser.backward) QObject.connect(self.forward_button, SIGNAL('clicked()'), self.browser.forward) self.edna = None # resize the splitter to something like 1/4-3/4 # width = self.main_layout.width() # left = width / 4.0 # right = width - left # logging.debug('setting splitter sizes to %d and %d', left, right) # self.main_layout.setSizes([left, right]) def sort_column(self, col_number): logging.debug('%s: sorting with column %d', self, col_number) if col_number == self.sort_column: # switch the sort order self.sort_order = self.sort_order ^ True else: self.sort_order = True #else, ascending self.sort_column = col_number self.history.sortColumn(col_number, self.sort_order, True) # put the right decoration on the header label if self.sort_order: direction = Qt.Ascending else: direction = Qt.Descending self.history.horizontalHeader().setSortIndicator(col_number, direction) def load_file(self, path): if self.browser.mimeSourceFactory().data(path) == None: self.browser.setText('<center>FILE NOT FOUND</center>') else: self.browser.setSource(abspath(path)) def history_changed(self, row, col): logging.debug('history elem selected: %d:%d', row, col) index = (str(self.history.text(row, 0)), str(self.history.text(row, 1)), str(self.history.text(row, 2))) try: path = self.history_map[index] self.load_file(path) except KeyError as e: # can happen when qt sends us the signal with # null data and we get the key ("","","") pass def new_html(self, html_path, image_prefix, run_number): logging.getLogger().debug( 'got a new html page: %s, prefix: %r, run number: %s', html_path, image_prefix, run_number) # prepend the time and date to the path we just got so # the history is more readable time_string = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime()) index = (time_string, str(image_prefix), str(run_number)) self.history_map[index] = html_path # synchronize the history prop if self.current_user is not None: whole_history = pickle.loads( self.getProperty('history').getValue()) whole_history[self.current_user] = self.history_map self.getProperty('history').setValue(pickle.dumps(whole_history)) self.history.insertRows(self.history.numRows()) logging.debug('numRows() is %d', self.history.numRows()) rows = self.history.numRows() - 1 self.history.setText(rows, 0, QString(time_string)) self.history.setText(rows, 1, QString(str(image_prefix))) self.history.setText(rows, 2, QString(str(run_number))) logging.debug('numRows() is %d', self.history.numRows()) self.load_file(html_path) def clear_history(self): self.history_map.clear() self.history.setNumRows(0) def propertyChanged(self, prop, oldval, newval): if prop == 'mnemonic': logging.getLogger().debug('BrowserBrick: using edna object %s', newval) if self.edna is not None: self.disconnect(self.edna, PYSIGNAL('newEDNAHTML'), self.new_html) self.edna = self.getHardwareObject(newval) logging.getLogger().debug('edna object is now: %s', self.edna) self.connect(self.edna, PYSIGNAL('newEDNAHTML'), self.new_html) def run(self): pass def login_changed(self, session_id, prop_code=None, prop_number=None, prop_id=None, expiration_time=0): logging.debug('BrowserBrick::login_changed: login changed to %r', session_id) if session_id is None: # user logged out logging.debug('user logged out') self.current_user = None else: self.current_user = (prop_code, prop_number) logging.debug('current user is now %r', self.current_user) self.clear_all() self.fill_history_for(self.current_user) def clear_all(self): self.clear_history() self.browser.setText('') def fill_history_for(self, user): if user is None: return logging.debug('loading history for user %s', user) whole_history = pickle.loads(self.getProperty('history').getValue()) try: self.history_map = whole_history[user] except KeyError: #user has no history yet self.history_map = dict() for k, v in self.history_map.items(): self.history.insertRows(self.history.numRows()) logging.debug('numRows() is %d', self.history.numRows()) rows = self.history.numRows() - 1 self.history.setText(rows, 0, k[0]) self.history.setText(rows, 1, k[1]) self.history.setText(rows, 2, k[2]) def cleanup_history(self): histories = pickle.loads(self.getProperty('history').getValue()) sessions_ttl = self.getProperty('sessions ttl (in days)').getValue() limit_date = datetime.now() - timedelta(sessions_ttl) #we're mutating the dict so do not use iteritems() just to be sure for user in list(histories.keys()): history = histories[user] #get the keys where the date is more recent than the limit date valid_keys = [ x for x in list(history.keys()) if datetime.strptime(x[0], '%Y-%m-%d %H:%M:%S') > limit_date ] #NB: old format was "%a, %d %b %Y %H:%M:%S" if len(valid_keys) != len(history): # some entries are too old, copy only the ones that are recent enough new_hist = dict((k, history[k]) for k in valid_keys) logging.debug( 'BrowserBrick: removed %d entries from saved history for user %s', len(history) - len(valid_keys), user) histories[user] = new_hist self.getProperty('history').setValue(pickle.dumps(histories))
class BrowserBrick(BaseComponents.BlissWidget): def __init__(self, *args): BaseComponents.BlissWidget.__init__(self, *args) #map displayed string in the history list -> actual file path self.history_map = dict() self.layout = QVBoxLayout(self) self.defineSlot('load_file', ()) self.defineSlot('login_changed', ()) self.addProperty('mnemonic', 'string', '') self.addProperty('history', 'string', '', hidden=True) self.addProperty('sessions ttl (in days)', 'integer', '30') #make sure the history property is a pickled dict try: hist = pickle.loads(self.getProperty('history').getValue()) except: # EOFError if the string is empty but let's not count on it self.getProperty('history').setValue(pickle.dumps(dict())) # maybe defer that for later self.cleanup_history() self.main_layout = QSplitter(self) self.main_layout.setSizePolicy( QSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.MinimumExpanding)) # left part of the splitter self.history_box = QVBox(self.main_layout) self.history_box.setSizePolicy(QSizePolicy.Preferred, QSizePolicy.Preferred) self.sort_order = True self.sort_col = None self.history = QTable(self.history_box) self.history.setSizePolicy( QSizePolicy(QSizePolicy.Minimum, QSizePolicy.MinimumExpanding)) self.history.setSelectionMode(QTable.SingleRow) self.history.setNumCols(3) self.history.verticalHeader().hide() self.history.setLeftMargin(0) self.history.setSorting(False) QObject.connect(self.history, SIGNAL('currentChanged(int,int)'), self.history_changed) #by default sorting only sorts the columns and not whole rows. #let's reimplement that QObject.connect(self.history.horizontalHeader(), SIGNAL('clicked(int)'), self.sort_column) header = self.history.horizontalHeader() header.setLabel(0, 'Time and date') header.setLabel(1, 'Prefix') header.setLabel(2, 'Run number') self.clear_history_button = QPushButton('Clear history', self.history_box) self.history_box.setSizePolicy(QSizePolicy.Preferred, QSizePolicy.Fixed) QObject.connect(self.clear_history_button, SIGNAL('clicked()'), self.clear_history) # Right part of the splitter self.browser_box = QWidget(self.main_layout) QVBoxLayout(self.browser_box) self.browser_box.setSizePolicy(QSizePolicy.MinimumExpanding, QSizePolicy.MinimumExpanding) self.top_layout = QHBoxLayout(self.browser_box) self.back_button = QToolButton(self.browser_box) self.back_button.setIconSet(QIconSet(Icons.load('Left2'))) self.back_button.setTextLabel('Back') self.back_button.setUsesTextLabel(True) self.back_button.setTextPosition(QToolButton.BelowIcon) self.back_button.setSizePolicy( QSizePolicy(QSizePolicy.Minimum, QSizePolicy.Minimum)) self.forward_button = QToolButton(self.browser_box) self.forward_button.setIconSet(QIconSet(Icons.load('Right2'))) self.forward_button.setTextLabel('Forward') self.forward_button.setUsesTextLabel(True) self.forward_button.setTextPosition(QToolButton.BelowIcon) self.forward_button.setSizePolicy( QSizePolicy(QSizePolicy.Minimum, QSizePolicy.Minimum)) self.top_layout.addWidget(self.back_button) self.top_layout.addWidget(self.forward_button) self.browser_box.layout().addLayout(self.top_layout) self.browser = QTextBrowser(self.browser_box) self.browser.setReadOnly(True) self.browser_box.layout().addWidget(self.browser) self.layout.addWidget(self.main_layout) #initially disabled self.forward_button.setEnabled(False) self.back_button.setEnabled(False) #connections QObject.connect(self.browser, SIGNAL('backwardAvailable(bool)'), self.back_button.setEnabled) QObject.connect(self.browser, SIGNAL('forwardAvailable(bool)'), self.forward_button.setEnabled) QObject.connect(self.back_button, SIGNAL('clicked()'), self.browser.backward) QObject.connect(self.forward_button, SIGNAL('clicked()'), self.browser.forward) self.edna = None # resize the splitter to something like 1/4-3/4 # width = self.main_layout.width() # left = width / 4.0 # right = width - left # logging.debug('setting splitter sizes to %d and %d', left, right) # self.main_layout.setSizes([left, right]) def sort_column(self, col_number): logging.debug('%s: sorting with column %d', self, col_number) if col_number == self.sort_column: # switch the sort order self.sort_order = self.sort_order ^ True else: self.sort_order = True #else, ascending self.sort_column = col_number self.history.sortColumn(col_number, self.sort_order, True) # put the right decoration on the header label if self.sort_order: direction = Qt.Ascending else: direction = Qt.Descending self.history.horizontalHeader().setSortIndicator(col_number, direction) def load_file(self, path): if self.browser.mimeSourceFactory().data(path) == None: self.browser.setText('<center>FILE NOT FOUND</center>') else: self.browser.setSource(abspath(path)) def history_changed(self, row, col): logging.debug('history elem selected: %d:%d', row, col) index = (str(self.history.text(row, 0)), str(self.history.text(row, 1)), str(self.history.text(row, 2))) try: path = self.history_map[index] self.load_file(path) except KeyError, e: # can happen when qt sends us the signal with # null data and we get the key ("","","") pass