def __init__(self, url=None):
"""
Class to load a webpage in a widget.
:param url: If url is empty then a navigation bar is shown otherwise the url is loaded and the navigation bar is hidden, ''str''
"""
super(WebWidget, self).__init__()
ui_file = os.path.join(os.path.dirname(os.path.realpath(__file__)),
'web_widget.ui')
loadUi(ui_file, self)
self.setObjectName('WebWidget')
self._loading = False
self._stop_icon = QIcon.fromTheme('process-stop')
self._reload_icon = QIcon.fromTheme('view-refresh')
self._working_icon = QIcon.fromTheme('process-working')
self._completer_word_list = ['']
self._view = QWebView()
self.verticalLayout.addWidget(self._view)
if url is None:
self.set_url("http://ros.org", True)
else:
self.set_url(url, False)
self.url_lineedit.returnPressed.connect(self._handle_url_change)
self._view.loadFinished[bool].connect(self._handle_load_finished)
self.reload_button.clicked.connect(self._handle_reload_clicked)
self._view.linkClicked.connect(self._handle_link_clicked)
self._view.urlChanged[QUrl].connect(self._handle_url_changed)
def __init__(self, url=None):
"""
Class to load a webpage in a widget.
:param url: If url is empty then a navigation bar is shown otherwise the url is loaded and the navigation bar is hidden, ''str''
"""
super(WebWidget, self).__init__()
rp = rospkg.RosPack()
ui_file = os.path.join(rp.get_path('rqt_web'), 'resource', 'web_widget.ui')
loadUi(ui_file, self)
self.setObjectName('WebWidget')
self._loading = False
self._stop_icon = QIcon.fromTheme('process-stop')
self._reload_icon = QIcon.fromTheme('view-refresh')
self._working_icon = QIcon.fromTheme('process-working')
self._completer_word_list = ['']
self._view = QWebView()
self.verticalLayout.addWidget(self._view)
if url is None:
self.set_url("http://ros.org", True)
else:
self.set_url(url, False)
self.url_lineedit.returnPressed.connect(self._handle_url_change)
self._view.loadFinished[bool].connect(self._handle_load_finished)
self.reload_button.clicked.connect(self._handle_reload_clicked)
self._view.linkClicked.connect(self._handle_link_clicked)
self._view.urlChanged[QUrl].connect(self._handle_url_changed)
class WebWidget(QWidget):
def __init__(self, url=None):
"""
Class to load a webpage in a widget.
:param url: If url is empty then a navigation bar is shown otherwise the url is loaded and the navigation bar is hidden, ''str''
"""
super(WebWidget, self).__init__()
rp = rospkg.RosPack()
ui_file = os.path.join(rp.get_path('rqt_web'), 'resource', 'web_widget.ui')
loadUi(ui_file, self)
self.setObjectName('WebWidget')
self._loading = False
self._stop_icon = QIcon.fromTheme('process-stop')
self._reload_icon = QIcon.fromTheme('view-refresh')
self._working_icon = QIcon.fromTheme('process-working')
self._completer_word_list = ['']
self._view = QWebView()
self.verticalLayout.addWidget(self._view)
if url is None:
self.set_url("http://ros.org", True)
else:
self.set_url(url, False)
self.url_lineedit.returnPressed.connect(self._handle_url_change)
self._view.loadFinished[bool].connect(self._handle_load_finished)
self.reload_button.clicked.connect(self._handle_reload_clicked)
self._view.linkClicked.connect(self._handle_link_clicked)
self._view.urlChanged[QUrl].connect(self._handle_url_changed)
def set_url(self, url, showinput=False):
"""
Sets the url and begins loading that page
:param url: url to load in the webview, ''str or QUrl''
:param showinput: if true the input bar will be shown, else hidden, ''bool''
"""
if url is not None:
self._url = QUrl(url)
self.set_show_url_input(showinput)
self._view.setUrl(self._url)
def set_show_url_input(self, showinput):
"""
Sets the value of the show_url_input flag and hides/shows the widgets as required
:param showinput: true - show inputbar false - hide , ''bool''
"""
self._show_url_input = showinput
self.url_lineedit.setVisible(self._show_url_input)
self.reload_button.setVisible(self._show_url_input)
if self._show_url_input:
self._view.page().setLinkDelegationPolicy(QWebPage.DelegateAllLinks)
else:
self._view.page().setLinkDelegationPolicy(QWebPage.DontDelegateLinks)
def save_settings(self, settings):
settings.set_value('url_completion', self._pack(self._completer_word_list))
settings.set_value('url_current', self._url.toString())
def restore_settings(self, settings):
self._completer_word_list += self._unpack(settings.value('url_completion'))
self._completer_word_list = list(set(self._completer_word_list))
url = settings.value('url_current')
if url:
self.set_url(url, self._show_url_input)
def _handle_url_change(self):
self.set_url(self.url_lineedit.text(), True)
def _handle_link_clicked(self, url):
self.set_url(url, True)
def _handle_reload_clicked(self):
if self._loading:
self._view.stop()
self._loading = False
self.reload_button.setIcon(self._reload_icon)
else:
self._view.reload()
self._loading = True
self.reload_button.setIcon(self._stop_icon)
def _handle_url_changed(self, url):
# set text to the current loading item
self.url_lineedit.setText(url.toString())
self.reload_button.setIcon(self._stop_icon)
self._loading = True
def _handle_load_finished(self, ok):
self._loading = False
self.reload_button.setIcon(self._reload_icon)
if ok:
self._add_completer_list_item(self._url.toString())
else:
# need to disconnect or we will resend the signal once the error page loads
self._view.loadFinished[bool].disconnect(self._handle_load_finished)
self._view.page().currentFrame().setHtml('<html><h2>The url you entered seems to be faulty.</h2></html>')
self._view.loadFinished[bool].connect(self._handle_load_finished)
def _add_completer_list_item(self, url):
self._completer_word_list.append(self.url_lineedit.text())
self._completer_word_list = list(set(self._completer_word_list))
self._completer = QCompleter(self._completer_word_list)
self._completer.setCaseSensitivity(Qt.CaseInsensitive)
self._completer.setCompletionMode(QCompleter.PopupCompletion)
self.url_lineedit.setCompleter(self._completer)
@staticmethod
def _pack(data):
"""
Packs 'data' into a form that can be easily and readably written to an ini file
:param data: A list of strings to be flattened into a string ''list''
:return: A string suitable for output to ini files ''str''
"""
if len(data) == 0:
return ''
if len(data) == 1:
return data[0]
return data
@staticmethod
def _unpack(data):
"""
Unpacks the values read from an ini file
:param data: An entry taken from an ini file ''list or string''
:return: A list of strings ''list''
"""
if data is None or data == '':
data = []
elif isinstance(data, basestring):
data = [data]
return data
class WebWidget(QWidget):
def __init__(self, url=None):
"""
Class to load a webpage in a widget.
:param url: If url is empty then a navigation bar is shown otherwise the url is loaded and the navigation bar is hidden, ''str''
"""
super(WebWidget, self).__init__()
ui_file = os.path.join(os.path.dirname(os.path.realpath(__file__)),
'web_widget.ui')
loadUi(ui_file, self)
self.setObjectName('WebWidget')
self._loading = False
self._stop_icon = QIcon.fromTheme('process-stop')
self._reload_icon = QIcon.fromTheme('view-refresh')
self._working_icon = QIcon.fromTheme('process-working')
self._completer_word_list = ['']
self._view = QWebView()
self.verticalLayout.addWidget(self._view)
if url is None:
self.set_url("http://ros.org", True)
else:
self.set_url(url, False)
self.url_lineedit.returnPressed.connect(self._handle_url_change)
self._view.loadFinished[bool].connect(self._handle_load_finished)
self.reload_button.clicked.connect(self._handle_reload_clicked)
self._view.linkClicked.connect(self._handle_link_clicked)
self._view.urlChanged[QUrl].connect(self._handle_url_changed)
def set_url(self, url, showinput=False):
"""
Sets the url and begins loading that page
:param url: url to load in the webview, ''str or QUrl''
:param showinput: if true the input bar will be shown, else hidden, ''bool''
"""
if url is not None:
self._url = QUrl(url)
self.set_show_url_input(showinput)
self._view.setUrl(self._url)
def set_show_url_input(self, showinput):
"""
Sets the value of the show_url_input flag and hides/shows the widgets as required
:param showinput: true - show inputbar false - hide , ''bool''
"""
self._show_url_input = showinput
self.url_lineedit.setVisible(self._show_url_input)
self.reload_button.setVisible(self._show_url_input)
if self._show_url_input:
self._view.page().setLinkDelegationPolicy(
QWebPage.DelegateAllLinks)
else:
self._view.page().setLinkDelegationPolicy(
QWebPage.DontDelegateLinks)
def save_settings(self, settings):
settings.set_value('url_completion',
self._pack(self._completer_word_list))
settings.set_value('url_current', self._url.toString())
def restore_settings(self, settings):
self._completer_word_list += self._unpack(
settings.value('url_completion'))
self._completer_word_list = list(set(self._completer_word_list))
url = settings.value('url_current')
if url:
self.set_url(url, self._show_url_input)
def _handle_url_change(self):
self.set_url(self.url_lineedit.text(), True)
def _handle_link_clicked(self, url):
self.set_url(url, True)
def _handle_reload_clicked(self):
if self._loading:
self._view.stop()
self._loading = False
self.reload_button.setIcon(self._reload_icon)
else:
self._view.reload()
self._loading = True
self.reload_button.setIcon(self._stop_icon)
def _handle_url_changed(self, url):
# set text to the current loading item
self.url_lineedit.setText(url.toString())
self.reload_button.setIcon(self._stop_icon)
self._loading = True
def _handle_load_finished(self, ok):
self._loading = False
self.reload_button.setIcon(self._reload_icon)
if ok:
self._add_completer_list_item(self._url.toString())
else:
# need to disconnect or we will resend the signal once the error page loads
self._view.loadFinished[bool].disconnect(
self._handle_load_finished)
self._view.page().currentFrame().setHtml(
'<html><h2>The url you entered seems to be faulty.</h2></html>'
)
self._view.loadFinished[bool].connect(self._handle_load_finished)
def _add_completer_list_item(self, url):
self._completer_word_list.append(self.url_lineedit.text())
self._completer_word_list = list(set(self._completer_word_list))
self._completer = QCompleter(self._completer_word_list)
self._completer.setCaseSensitivity(Qt.CaseInsensitive)
self._completer.setCompletionMode(QCompleter.PopupCompletion)
self.url_lineedit.setCompleter(self._completer)
@staticmethod
def _pack(data):
"""
Packs 'data' into a form that can be easily and readably written to an ini file
:param data: A list of strings to be flattened into a string ''list''
:return: A string suitable for output to ini files ''str''
"""
if len(data) == 0:
return ''
if len(data) == 1:
return data[0]
return data
@staticmethod
def _unpack(data):
"""
Unpacks the values read from an ini file
:param data: An entry taken from an ini file ''list or string''
:return: A list of strings ''list''
"""
if data is None or data == '':
data = []
elif isinstance(data, basestring):
data = [data]
return data
