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| ==Controlling the display of the '''Back to quiz editing''' button==
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| The question\type\datasetdependent\datasetitems.php which code the display of the third and last form of the creation of a calculated question have been modified so that when there is no data the '''Back to quiz editing''' button does not appears items but instead there is a warning.
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| [[Image:nobackbutton.jpg]]
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| When the user as clicked once on the '''Add''' button,
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| #the question parameters are save.
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| #the dataset definitions are updated
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| #the first data items set is saved
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| and a '''valid''' but perhaps incomplete calculated question is created.
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|
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| == The '''Back to quiz editing''' button appears.==
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| [[Image:backtoquizbutton.jpg]]
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| the following code in question\type\datasetdependent\datasetitems.php do the trick.
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| ==Sorry I have to learn how to include HTML code that won't affect the display==
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| $strdataitemneed = get_string('dataitemneed', 'quiz');
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| if (!empty($table->data)) {
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| echo "<form method=\"post\" action=\"question.php\">
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| <input type=\"hidden\" name=\"id\" value=\"$question->id\"/>
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| <input type=\"hidden\" name=\"category\" value=\"$question->category\"/>
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| <input type=\"hidden\" name=\"qtype\" value=\"$question->qtype\"/>
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| <input type=\"hidden\" name=\"sesskey\" value=\"".sesskey()."\"/>
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| <input type=\"hidden\" name=\"wizardpage\" value=\"datasetitems\"/>";
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| echo " ".$datatableoption."<\p>";
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| print_table($table); // this prints the remove button and the actual sets of data items
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| echo "</form>"; // this form returns to datasetitems.php to remove one set of data items
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| echo "<center><br /><br /><form method=\"post\" action=\"question.php\">
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| <input type=\"hidden\" name=\"id\" value=\"$question->id\"/>
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| <input type=\"hidden\" name=\"category\" value=\"$question->category\"/>
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| <input type=\"hidden\" name=\"qtype\" value=\"$question->qtype\"/>
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| <input type=\"hidden\" name=\"sesskey\" value=\"".sesskey()."\"/>
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| <input type=\"hidden\" name=\"wizardpage\" value=\"datasetitems\"/>
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| <input type=\"submit\" name=\"backtoquiz\" value=\"$strbacktoquiz\">
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| </form></center>\n";// this form returns to datasetitems.php and exits to quiz edition
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|
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| } else {
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| notify( $strdataitemneed );//
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| }
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| in /;lib/quiz.php
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| $string['dataitemneed'] = 'You need to add at least one set of data items to get a valid question';
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