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<div>My boys used a selection of check boxes incorporated into the last outcome and will be carrying this through to the next one for the implementation phase. .csv files of choices also are used. We also use python here.</div>
<div>KB.<br>
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<b>Kent Beveridge</b>
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<div>ICT Coordinator & Maths teacher</div>
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On 17/07/2013, at 8:31 PM, "Matheson, Heath A" <<a href="mailto:Matheson.Heath.A@edumail.vic.gov.au">Matheson.Heath.A@edumail.vic.gov.au</a>> wrote:<br>
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<p class="MsoNormal"><span style="color:#1F497D">Hi Peter,</span></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="color:#1F497D">I’m not sure what language you are using but for we use python and tkinter. I would have the order displayed in a listbox and a delete button with a function such as:</span></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="color:#1F497D">def delete_item():</span></p>
<p class="MsoNormal"><span style="color:#1F497D"> try:</span></p>
<p class="MsoNormal"><span style="color:#1F497D"> # get selected line index</span></p>
<p class="MsoNormal"><span style="color:#1F497D"> index = listbox1.curselection()[0]</span></p>
<p class="MsoNormal"><span style="color:#1F497D"> listbox1.delete(index)</span></p>
<p class="MsoNormal"><span style="color:#1F497D"> except IndexError:</span></p>
<p class="MsoNormal"><span style="color:#1F497D"> pass</span></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="color:#1F497D">IMO, validation is an important skill to assess in this outcome. I would suggest a file that contains a list of the menu items that is loaded into an appropriate selection object such as a drop down list (good
validation). I would then have quantity as a separate entry. The quantity entry box would also have a type and range check put on it. A button would add the selected item and quantity to an orders 2d array.</span></p>
<p class="MsoNormal"><span style="color:#1F497D">For custom items or notes you could have an entry box and a separate button to place additional items into the order.
</span></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="color:#1F497D">Here is something similar we made in my class a couple of years ago:</span></p>
<p class="MsoNormal"><image003.jpg><span style="color:#1F497D"></span></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="color:#1F497D">Hope this helps you out. I’m sure others will have some other ideas.
</span><span style="font-family:Wingdings; color:#1F497D">J</span><span style="color:#1F497D"></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Cheers,</span></p>
<p class="MsoNormal"><span style="color:#1F497D">Heath Matheson</span></p>
<p class="MsoNormal"><span style="color:#1F497D">Mount Beauty Secondary College</span></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt; font-family:"Tahoma","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:10.0pt; font-family:"Tahoma","sans-serif"">
<a href="mailto:sofdev-bounces@edulists.com.au">sofdev-bounces@edulists.com.au</a> [<a href="mailto:sofdev-bounces@edulists.com.au">mailto:sofdev-bounces@edulists.com.au</a>]
<b>On Behalf Of </b>Langham, Peter P<br>
<b>Sent:</b> Wednesday, 17 July 2013 1:00 PM<br>
<b>To:</b> Year 12 Software Development Teachers' Mailing List<br>
<b>Subject:</b> [Year 12 SofDev] U4O1 - Coding help</span></p>
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<p class="MsoNormal"> </p>
<p class="MsoNormal"><span style="color:#1F497D">Good afternoon,</span></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="color:#1F497D">I’ve been working on the Trentham Spud Inn case study available on edulists, created by Elizabeth Wells, as a guide and as practice material for my teaching for U4O1.</span></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="color:#1F497D">In short, it’s a Pizza Restaurant ordering system that requires the following tasks:</span></p>
<p class="MsoNormal" style="margin-left:18.0pt"><span style="color:#1F497D"> </span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt"><span style="color:#1F497D"><span style="">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><span style="color:#1F497D">Allow the waiter/waitress to enter the table’s order</span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt"><span style="color:#1F497D"><span style="">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><span style="color:#1F497D">Allow the waiter/waitress to confirm the order with the diners at the table –
<b><span style="background:yellow">removing</span> </b>or adding any requested items.</span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt"><span style="color:#1F497D"><span style="">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><span style="color:#1F497D">Allow special requests to be appended to the order or to individual dishes.</span></p>
<p class="MsoListParagraph" style="text-indent:-18.0pt"><span style="color:#1F497D"><span style="">-<span style="font:7.0pt "Times New Roman"">
</span></span></span><span style="color:#1F497D">Save all of the collected data into a text file</span></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="color:#1F497D">What is the best way to <b>remove</b> an item from the order?</span></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="color:#1F497D">I’ve been treating the order as one large string, where the diners may place an order as follows:</span></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="color:#1F497D">String Order = “1 x Spudtastic, 1 x Butternut Pumpkin and fresh figs, 1 x Chicken breast and white truffle oil”</span></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="color:#1F497D">I think I’ll use a splitting function to separate the string at each comma so we’d end up with</span></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="color:#1F497D">String Order[0] = 1 x Spudtastic</span></p>
<p class="MsoNormal"><span style="color:#1F497D">String Order[1] = 1 x Butternut Pumpkin and fresh figs</span></p>
<p class="MsoNormal"><span style="color:#1F497D">String Order[2] = 1 x Chicken breast and white truffle oil</span></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="color:#1F497D">To remove the Butternut Pumpkin and fresh figs order</span></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="color:#1F497D">String Order[1] = String Order[2]</span></p>
<p class="MsoNormal"><span style="color:#1F497D">String Order[2] = Null or “”</span></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="color:#1F497D">Is there a better way to do this?</span></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="color:#1F497D">Thanks</span></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="color:#1F497D">Peter Langham</span></p>
<p class="MsoNormal"><span style="color:#1F497D">Narre Warren South P12</span></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="color:#1F497D"> </span></p>
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