~azzar1/unity/add-show-desktop-key

# 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

# App: File Browser

# Author: Matt Giuca

# Date: 9/1/2008

# The file browser application. Presents an Ajax-based interface to the

# student's subversion workspace.

# Note that there is virtually no server-side code for this application. It

# simply presents static HTML and JavaScript, and all server-side activities

# take place in the FileService app (for handling Ajax requests).

import os.path

import cgi

from common import (util, studpath)

import common.svn

# url path for this app

THIS_APP = "files"

def handle(req):

    """Handler for the File Browser application."""

    # Work out where we are browsing

    browsepath = req.path

    if len(browsepath) == 0:

        # If no path specified, default to the user's home directory

        redirectPath = util.make_path(os.path.join(THIS_APP,req.user.login))

        req.throw_redirect(util.make_path(redirectPath))

    # Set request attributes

    req.content_type = "text/html"

    req.styles = [

        "media/browser/browser.css",

        "media/browser/listing.css",

        "media/browser/editor.css",

    ]

    req.scripts = [

        "media/common/json2.js",

        "media/common/codepress/codepress.js",

        "media/common/util.js",

        "media/browser/browser.js",

        "media/browser/listing.js",

        "media/browser/editor.js",

    ]

    req.scripts_init = [

        "browser_init",

    ]

    req.write_html_head_foot = True     # Have dispatch print head and foot

    # The page title should contain the name of the file being browsed

    req.title = browsepath.rsplit('/', 1)[-1]

    _, localpath = studpath.url_to_local(browsepath)

    if localpath is None:

        req.throw_error(req.HTTP_NOT_FOUND,

            "The path specified is invalid.")

    # Start writing data

    req.write("""

<!-- Top bar section -->

<div id="topbar">

  <div id="path">

    """)

    # FIXME: This isn't completely reliable! We're not inside the jail, so we

    # can't know the type for sure. This is now only used for adding a / to the

    # end of displayed paths, so I'm leaving this although it will often break.

    isdir = os.path.isdir(localpath)

    presentpath(req, browsepath, isdir)

    req.write("""

  </div>

  <div id="actions1">

""")

    present_actions1(req)

    req.write("""  </div>

  <div id="actions2">

""")

    present_actions2(req)

    req.write("""  </div>

</div>

<!-- End topbar -->

<!-- Body. The JavaScript places content here relevant to the path -->

<div id="filesbody">

</div>

<!-- End body -->

""")

def presentpath(req, path, isdir):

    """

    Presents a path list (address bar inside the page) for clicking.

    Writes to req, expecting to have just written the opening div containing

    the listing.

    This will also have a revision indicator on the end, if we are viewing a

    revision.

    """

    href_path = util.make_path(THIS_APP)

    nav_path = ""

    revision = common.svn.revision_from_string(

                     req.get_fieldstorage().getfirst('r'))

    try: 

        revno = revision.number

    except:

        revno = None

    # Create all of the paths

    pathlist = path.split("/")

    segs_left = len(pathlist)

    for path_seg in pathlist:

        if path_seg == "":

            continue

        # Write a slash at the end unless this is the last path seg AND

        # it's not a directory.

        segs_left -= 1

        add_slash = segs_left != 0 or isdir

        # Make an 'a' element

        href_path = href_path + '/' + path_seg

        nav_path = nav_path + path_seg

        if add_slash:

            nav_path = nav_path + '/'

        link = '<a href="%s" title="Navigate to %s">%s</a>' % (

            href_path if revno is None else href_path + '?r=%d' % revno,

            nav_path, path_seg)

        req.write(link)

        if add_slash:

            req.write('/')

    if revno is not None:

        req.write(' (revision %d)' % revno)

def present_actions1(req):

    """

    Presents a set of links/buttons for the "actions1" row of the top bar.

    This is always exactly the same - the JavaScript will customize it later.

    """

    # Set up our actions. The second field of each group is whether to disable

    # the items by default.

    moreactions = [

      ('Publishing', True, [

        ('publish', ['Publish',          'Make it so this directory can be seen by anyone on the web']),

        ('share',   ['Share this file',  'Get a link to this published file, to give to friends']),

        ('submit',  ['Submit', 'Submit the selected files for an assignment'])

      ]),

      ('File actions', True, [

        ('rename',  ['Rename',           'Change the name of this file']),

        ('delete',  ['Delete',           'Delete the selected files']),

        ('copy',    ['Copy',             'Prepare to copy the selected files to another directory']),

        ('cut',     ['Cut',              'Prepare to move the selected files to another directory'])

      ]),

      ('Directory actions', False, [

        ('paste',   ['Paste',            'Paste the copied or cut files into the current directory']),

        ('newfile', ['New File',         'Open a new file for editing in the current directory']),

        ('mkdir',   ['New Directory',    'Make a new subdirectory in the current directory']),

        ('upload',  ['Upload File',      'Upload a file to the current directory'])

      ]),

      ('Subversion', True, [

        ('svnadd',      ['Add',          'Schedule the selected temporary files to be added permanently']),

        ('svnremove',   ['Remove',       'Schedule the selected permanent files to be removed']),

        ('svndiff',     ['Diff',         'View any changes to the selected file since its last committed state']),

        ('svnrevert',   ['Revert',       'Restore the selected files back to their last committed state']),

        ('svnupdate',   ['Update',       'Update your files with changes from the permanent repository']),

        ('svncommit',   ['Commit',       'Commit any changes to the permanent repository']),

        ('svnresolved', ['Mark Resolved','Mark a conflicted file as being resolved']),

        ('svnlog',      ['View Log',     'View the log of commits of the selected file']),

        ('svncheckout', ['Re-checkout',  'Re-checkout your default directories'])

      ])

    ]

    req.write("""    <a id="act_open" class="disabled">Open</a> :

    <a id="act_serve"

        title="View this file on the web, running your code if this is a CGI file"

        class="disabled" target="_blank">Serve</a> :

    <a id="act_run" title="Run the selected Python file in the console"

        class="disabled">Run</a> :

    <a id="act_download" class="choice">Download</a> :

    <a title="Refresh the current page" onclick="refresh()"

        class="choice">Refresh</a><span id="moreactions_area"> :

    <select id="moreactions" onchange="handle_moreactions()"

        onblur="handle_moreactions()">

      <option class="moreactions" value="top"

        selected="selected">More actions...</option>

""")

    for (name, disablement, group) in moreactions:

        if disablement:

            disable = 'class="disabled" disabled="disabled"'

        else:

            disable = ''

        req.write('<optgroup label="%s">' % name)

        for (id, bits) in group:

            req.write('<option id="act_%s" %s title="%s" value="%s">%s</option>'

                      % (id, disable, bits[1], id, bits[0]))

        req.write('</optgroup>')

    req.write('</select></span>')

def present_actions2(req):

    """

    Presents a set of links/buttons for the "actions2" row of the top bar.

    This depends on whether it is a directory (listing) or normal file

    (editor), but we'll let the JavaScript decide which.

    """

    req.write("""    <form id="actions2_directory"

          target="upload_iframe"

          action="%s"

          enctype="multipart/form-data" method="post">

      Select:

      <a onclick="action_selectall(true)"

          title="Select all files in this directory">All</a> :

      <a onclick="action_selectall(false)"

          title="Deselect all files in this directory">None</a>

      <span style="display:none" id="uploadpanel">| Upload file:

        <input type="hidden" value="putfiles" name="action" />

        <input type="hidden" value="" name="path" />

        <input type="file" name="data" />

        <input type="checkbox" checked="on" value="true" name="unpack"

          />Unpack zip file

        <input type="button" onclick="show_uploadpanel(false)" value="Hide" />

        <input type="submit" value="Send" />

      </span>

      <!-- This iframe is for making a call to upload the file without

           refreshing the page. (It will refresh the listing). -->

      <iframe onload="upload_callback()" style="display: none;"

          name="upload_iframe" id="upload_iframe"></iframe>

    </form>

""" % cgi.escape(util.make_path(os.path.join("fileservice", req.path))))

    req.write("""    <p id="actions2_file">

      <input type="button" id="save_button" value="Save" onclick="save_file('%s')" />

      <input type="button" id="saveas_button" value="Save As..." onclick="save_file_as('%s')" />

      <select id="highlighting_select" onchange="highlighting_changed(this)">

          <option value="text">Text</option>

          <option value="python">Python</option>

          <option value="html">HTML</option>

          <option value="javascript">JavaScript</option>

          <option value="css">CSS</option>

      </select>

    </p>

""" % ((cgi.escape(req.path),) * 2))