def show(self, **context):
""" Create and show a view of the given context. """
from jigna.core.html_widget import HTMLWidget
from jigna.core.wsgi import FileLoader
widget = HTMLWidget(
root_paths = {
'jigna': FileLoader(
root = join(abspath(dirname(__file__)), 'resources')
)
},
open_externally = True,
debug = True
)
from jigna.qt_server import QtServer
self._server = QtServer(
base_url = join(os.getcwd(), self.base_url),
context = context,
html = self.html
)
self._server.connect(widget)
widget.control.show()
return
def serve(self, port=8888, **context):
""" Serve the view of the given context on the given port. """
from jigna.web_server import WebServer
self._server = WebServer(
base_url = join(os.getcwd(), self.base_url),
context = context,
html = self.html,
port = port
)
self._server.serve()
return
class View(HasTraits):
""" A factory for HTML/AngularJS based user interfaces. """
#### 'View' protocol ######################################################
#: Should the web backend use an asynchronous bridge.
async = Bool(False)
#: The base url for all resources (relative urls are resolved corresponding
#: to the current working directory).
base_url = Str
#: The HTML for the *body* of the view's document.
body_html = Str
#: The HTML for the *head* of the view's document.
head_html = Str
#: The file which contains the html
html_file = Str
#: The HTML for the entire document.
#:
#: The order of precedence in determining its value is:
#: 1. Directly specified `html` trait
#: 2. Read the contents of the file specified by the `html_file` trait
#: 3. Create the jigna template out of specified `body_html` and `head_html`
#: traits
html = Property(Str)
_html = Str
def _get_html(self):
""" Get the default HTML document for the given model. """
# Return the cached html value if the trait is specified directly
if len(self._html) > 0:
return self._html
# Else, read from the html file if it is specified...
if len(self.html_file) > 0:
with open(self.html_file) as f:
html = f.read()
# ...otherwise, create the template out of body and head htmls
else:
async = 'true' if self.async else 'false'
html = DOCUMENT_HTML_TEMPLATE.format(
body_html = self.body_html,
head_html = self.head_html,
async = async,
)
return html
def _set_html(self, html):
self._html = html
def show(self, **context):
""" Create and show a view of the given context. """
from jigna.core.html_widget import HTMLWidget
from jigna.core.wsgi import FileLoader
widget = HTMLWidget(
root_paths = {
'jigna': FileLoader(
root = join(abspath(dirname(__file__)), 'resources')
)
},
open_externally = True,
debug = True
)
from jigna.qt_server import QtServer
self._server = QtServer(
base_url = join(os.getcwd(), self.base_url),
context = context,
html = self.html
)
self._server.connect(widget)
widget.control.show()
return
def serve(self, port=8888, **context):
""" Serve the view of the given context on the given port. """
from jigna.web_server import WebServer
self._server = WebServer(
base_url = join(os.getcwd(), self.base_url),
context = context,
html = self.html,
port = port
)
self._server.serve()
return
def update_context(self, **context):
"""Adds the given models to the context available to the view.
"""
self._server.context.update(context)
#### Private protocol #####################################################
#: The server that manages the objects shared via the bridge.
_server = Instance(Server)
