def _start(self, is_new=False):
"""
starts or opens a project depending on
[is_new] parameter
"""
if not is_new:
dir_name = str(QtGui.QFileDialog.getExistingDirectory(self, 'Open Project'))
else:
dir_name = str(QtGui.QFileDialog.getSaveFileName(self, 'Start Project'))
if not dir_name:
return
try:
self.current_project = GUIProject(dir_name)
self.current_project.set_up(self, is_new)
self._disable_enable_project_buttons(True)
if is_new:
self.configure()
except InvalidProjectError, e:
print "%s" % e
self._disable_enable_project_buttons(False)
class BrowserTab(BaseBrowserTab):
"""
A Browser Tab representation
This class overrides all the methods of the
base class.
"""
def __init__(self, parent):
BaseBrowserTab.__init__(self, parent)
self.url = None
self.crawler = OffLineCrawler()
def load_bar(self, value):
"""
Load the progress bar
"""
self.pg_load.setValue(value)
def loaded_bar(self, state):
"""
Triggered when the bar finish the loading
"""
self.pg_load.hide()
index = self.parent.tab_pages.indexOf(self)
self.parent.tab_pages.setTabText(index, self.html.title())
self.parent.tab_pages.setTabIcon(index, QtWebKit.QWebSettings.iconForUrl(QtCore.QUrl(self.url)))
def load_start(self):
"""
Show the progress bar
"""
self.pg_load.show()
def load_url(self, url, selected_nodes=None):
"""
Load the requested url in the webwiew
"""
self.url = str(url)
html = self.crawler._get_response(self.url)
with open(get_full_template_path("html_template"), "r") as f:
template = f.read()
html = template % {'content': html, 'css_class': SELECTED_CLASS }
if selected_nodes is not None:
html = self._highlight_nodes(html, selected_nodes)
self.html.setHtml(html)
self.html.show()
def _highlight_nodes(self, html, nodes):
"""
Highlights the nodes selected by the user in the current page
"""
html_tree = XPathExtractor().get_object(html)
for xpath in nodes:
tags = html_tree.xpath(xpath)
if tags:
tag = tags[0]
classes = tag.attrib.get("class", "")
classes = "%s %s" % (classes, SELECTED_CLASS)
tag.attrib["class"] = classes.strip()
tag.attrib["id"] = xpath
return etree.tostring(html_tree.getroot(), pretty_print=True, method="html")
def url_changed(self, url):
"""
Update the url text box
"""
if self.is_current():
self.parent.tb_url.setText(self.url)
self.url = url.toString()
def back(self):
"""
Back to previous page
"""
if self.is_current():
self.html.back()
def ahead(self):
"""
Go to next page
"""
if self.is_current():
self.html.forward()
def reload(self):
"""
Reload page
"""
if self.is_current():
self.html.reload()
def start(self):
"""
Starts a new project
"""
self._start(is_new=True)
def open(self):
"""
Opens an existing project
"""
self._start()
def _start(self, is_new=False):
"""
starts or opens a project depending on
[is_new] parameter
"""
if not is_new:
dir_name = str(QtGui.QFileDialog.getExistingDirectory(self, 'Open Project'))
else:
dir_name = str(QtGui.QFileDialog.getSaveFileName(self, 'Start Project'))
if not dir_name:
return
try:
self.current_project = GUIProject(dir_name)
self.current_project.set_up(self, is_new)
self._disable_enable_project_buttons(True)
if is_new:
self.configure()
except InvalidProjectError, e:
print "%s" % e
self._disable_enable_project_buttons(False)