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Merge pull request #23 from RunestoneInteractive/master
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‎runestone/dragndrop/README.md‎

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<h2>Drag n Drop</h2>
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```html
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<ul data-component="dragndrop" id="dd1">
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<span data-component="question">The Question goes here.</span>
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<span data-component="feedback">This is feedback that is displayed when this is answered incorrectly.</span>
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<li data-component="draggable" id="dd1_drag1">Drag to Answer A</li>
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<li data-component="dropzone" for="dd1_drag1">Answer A</li>
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<li data-component="draggable" id="dd1_drag2">Drag to Answer B</li>
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<li data-component="dropzone" for="dd1_drag2">Answer B</li>
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<li data-component="draggable" id="dd1_drag3">Drag to Answer C</li>
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<li data-component="dropzone" for="dd1_drag3">Answer C</li>
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</ul>
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```
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Here the <code>ul</code> tag represents the entire Drag n Drop component to be rendered.
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After declaring the data-component, the author has the option to specify a question and feedback for incorrect answers.
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Each <code>li</code> pair of "draggable" and "dropzone" components represents a draggable element and its respective area to be dropped in. The order that these
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are declared doesn't matter, as the order is randomized on page load--the author just has to be sure the <code>id</code> and <code>for</code> attributes match.
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Option spec:
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<ul>
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<li><code>data-component="dragndrop"</code> Identifies this as a drag n drop component</li>
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<li><code>id</code> Must be unique in the document</li>
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<li><code>data-component="question"</code> Optional--Identifies a <code>span</code> that contains the question</li>
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<li><code>data-component="feedback"</code> Optional--Identifies a <code>span</code> that contains the feedback for incorrect answers</li>
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</ul>
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Option spec for the <code>li</code> tags:
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<ul>
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<li><code>data-component="draggable"</code> Identifies a draggable element that will be dropped into a dropzone block</li>
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<li><code>id</code> For the draggable elements--must be unique in the component
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<li><code>data-component="dropzone"</code> Identifies a dropzone component that will receive a draggable element</li>
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<li><code>for</code> For the dropzone components--identifies the correct draggable element (via <code>id</code>) that when dropped into this dropzone, will be registered as correct</li>
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</ul>

‎runestone/dragndrop/__init__.py‎

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from .dragndrop import *

‎runestone/dragndrop/css/dragndrop.css‎

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.draggable {
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margin-left: 2%;
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margin-top: 5px;
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display:inline-block;
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text-align: left;
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vertical-align: top;
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background-color: #efefff;
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font-family: monospace;
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font-size: 120%;
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padding-bottom: 10px;
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min-width: 48%;
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max-width: 48%;
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border: 1px solid #efefff;;
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box-sizing: border-box;
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}
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.drag-button {
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display: inline-block;
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}
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.drag-reset {
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background-color: #474949;
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color: white;
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}
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.drag-reset:hover {
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background-color: black;
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color: white;
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}
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.drag-reset:enabled {
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background-color: #474949;
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color: white;
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}
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.draggable-drag {
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-moz-border-radius:10px;
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-webkit-border-radius:10px;
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border-radius: 10px;
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display: block;
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background-color:#EFEFEF;
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border:1px solid lightgray;
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padding:10px;
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margin-top: 5px;
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cursor: move;
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}
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.draggable-feedback {
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text-align: left !important;
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}
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.draggable-drop {
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-moz-border-radius:10px;
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-webkit-border-radius:10px;
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border-radius: 10px;
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display: block;
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background-color:#DDDDDD;
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border:1px solid lightgray;
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padding:10px;
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margin-top: 5px;
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}
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.draggable-container {
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text-align:center;
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}
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.possibleDrop {
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border-color: #000000;
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background-color: #CCCCCC;
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}

‎runestone/dragndrop/dragndrop.py‎

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# Copyright (C) 2011 Bradley N. Miller
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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__author__ = 'isaiahmayerchak'
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from docutils import nodes
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from docutils.parsers.rst import directives
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from docutils.parsers.rst import Directive
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def setup(app):
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app.add_directive('dragndrop',DragNDrop)
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app.add_javascript('dragndrop.js')
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app.add_stylesheet('dragndrop.css')
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app.add_node(DragNDropNode, html=(visit_dnd_node, depart_dnd_node))
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TEMPLATE_START = """<ul data-component="dragndrop" id="%(divid)s">
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<span data-component="question">%(question)s</span>
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%(feedback)s
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"""
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TEMPLATE_OPTION = """
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<li data-component="draggable" id="%(divid)s_drag%(dnd_label)s">%(dragText)s</li>
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<li data-component="dropzone" for="%(divid)s_drag%(dnd_label)s">%(dropText)s</li>
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"""
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TEMPLATE_END = """</ul>"""
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class DragNDropNode(nodes.General, nodes.Element):
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def __init__(self,content):
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"""
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Arguments:
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- `self`:
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- `content`:
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"""
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super(DragNDropNode,self).__init__()
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self.dnd_options = content
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# self for these functions is an instance of the writer class. For example
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# in html, self is sphinx.writers.html.SmartyPantsHTMLTranslator
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# The node that is passed as a parameter is an instance of our node class.
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def visit_dnd_node(self,node):
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res = TEMPLATE_START
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if "feedback" in node.dnd_options:
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node.dnd_options["feedback"] = "<span data-component=feedback>" + node.dnd_options["feedback"] + "</span>"
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else:
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node.dnd_options["feedback"] = ""
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res = res % node.dnd_options
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self.body.append(res)
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def depart_dnd_node(self,node):
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res = ""
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# Add all of the possible answers
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okeys = list(node.dnd_options.keys())
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okeys.sort()
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print(okeys)
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for k in okeys:
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if 'match' in k:
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x,label = k.split('_')
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node.dnd_options['dnd_label'] = label
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dragE, dropE = node.dnd_options[k].split("|||")
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node.dnd_options["dragText"] = dragE
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node.dnd_options['dropText'] = dropE
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res += node.template_option % node.dnd_options
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res += node.template_end % node.dnd_options
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self.body.append(res)
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class DragNDrop(Directive):
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required_arguments = 1
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optional_arguments = 0
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has_content = True
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option_spec = {"feedback":directives.unchanged,
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"match_1":directives.unchanged,
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"match_2":directives.unchanged,
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"match_3":directives.unchanged,
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"match_4":directives.unchanged,
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"match_5":directives.unchanged,
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"match_6":directives.unchanged,
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"match_7":directives.unchanged,
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"match_8":directives.unchanged,
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"match_9":directives.unchanged,
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"match_10":directives.unchanged,
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"match_11":directives.unchanged,
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"match_12":directives.unchanged,
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"match_13":directives.unchanged,
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"match_14":directives.unchanged,
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"match_15":directives.unchanged,
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"match_16":directives.unchanged,
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"match_17":directives.unchanged,
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"match_18":directives.unchanged,
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"match_19":directives.unchanged,
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"match_20":directives.unchanged,
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}
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def run(self):
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"""
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process the multiplechoice directive and generate html for output.
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:param self:
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:return:
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.. dragndrop:: identifier
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:feedback: Feedback that is displayed if things are incorrectly matched--is optional
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:match_1: Draggable element text|||Dropzone to be matched with text
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:match_2: Drag to Answer B|||Answer B
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:match_3: Draggable text|||Text of dropzone
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...etc...(up to 20 matches)
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The question goes here.
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"""
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self.options['divid'] = self.arguments[0]
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if self.content:
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source = "\n".join(self.content)
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else:
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source = '\n'
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self.options['question'] = source
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dndNode = DragNDropNode(self.options)
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dndNode.template_start = TEMPLATE_START
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dndNode.template_option = TEMPLATE_OPTION
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dndNode.template_end = TEMPLATE_END
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return [dndNode]

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