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# IVLE
# Copyright (C) 2007-2008 The University of Melbourne
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
# Plugin: console
# Author: Matt Giuca
# Date: 30/1/2008
# Console plugin. This "mini-app" can be plugged in to another application.
# It exposes two functions: "present" and "insert_scripts_styles".
# These should both be called at the appropriate time by the implementing
# application. See docs on these functions for details.
# Applications also need to call console_init in JavaScript from their own
# onload events.
from common import util
import cgi
def insert_scripts_styles(scripts, styles, scripts_init):
"""Given 2 lists of strings: scripts and styles. These lists are lists of
pathnames, as expected on the "scripts" and "styles" attributes of a
Request object.
This function appends new strings to the ends of each list, as required by
this plugin. It does not add duplicates.
"""
_append_if_absent(scripts,
"media/common/json2.js",
"media/common/md5.js",
"media/common/util.js",
"media/console/console.js")
_append_if_absent(styles,
"media/console/console.css")
_append_if_absent(scripts_init,
"console_init")
def present(req, windowpane=False):
"""Writes the HTML for this plugin into a request stream.
May utilise other properties of the Request object in generating the HTML.
windowpane: If True, starts the console in "window pane" mode, where it
will float over the page and have a "minimize" button.
"""
req.write("""<div id="console_body">
<div id="console_heading">Python Console
""")
if windowpane:
req.write("""<span class="console_button minimize">
<a onclick="console_minimize()"
title="Minimize the Python console">
<img src="%s" /></a>
</span>
""" % cgi.escape(util.make_path("media/images/interface/minimize.png")))
req.write("""</div>
<div id="console_body2">
<pre id="console_output" class='outputMsg'></pre>
<div id="console_input">
<div id="console_inputArea">
</div>
<label id="console_prompt">>>> </label>
<input id="console_inputText"
type="text" size="80" onkeypress="return catch_input(event.keyCode)" />
<input type='button' value='Interrupt' onclick='set_interrupt();'/>
<input type='button' value='Clear Output' onclick='return clear_output();'/>
""")
if windowpane:
req.write("""<span class="console_button maximize">
<a onclick="console_maximize()"
title="Open up the Python console">
<img src="%s" /></a>
</span>
""" % cgi.escape(util.make_path("media/images/interface/maximize.png")))
req.write("""</div>
</div></div>
""")
if windowpane:
req.write("""
<!-- Console filler, provides extra vertical space to stop the console
covering over the bottom content -->
<div id="console_filler"></div>
""")
def _append_if_absent(list, *values):
"""Appends an arbitray number of values to a list, but omits values that
are already contained within the list."""
for value in values:
if not value in list:
list.append(value)
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