Movilizer Scan screen used in Windows CE devices

ScanItems.mxml

<MovilizerRequest 
	systemId="${#Project#SystemID}" 
	systemPassword="${#Project#Password}" 
	numResponses="0" 
	synchronousResponse="true" 
	useAutoAcknowledge="false" 
	xmlns="http://movilitas.com/movilizer/v14">
    
    <moveletDelete moveletKey="scanItems" ignoreExtensionKey="true" />
    
    <moveletSet>
    	<movelet 
    		moveletKey="scanItems" 
    		initialQuestionKey="q1" 
    		moveletType="MULTI"  
    		icon="1" 
    		visible="true">
    		
    		
    		<!-- Complex Screen 1. Show the information about the scan item -->
    		<question key="q1" type="5">
    		
    			<answer key="q1.a1" clientKey="ck.status" nextQuestionKey="q2" attributeType="8" columnSizeType="ROWS" position="1">
    				<text>%INFO%</text>
    			</answer>
    			
    			<onEnterAssignment>
    				setPlaceholder("%TITLE%", $local:literals["title"]);
    				setPlaceholder("%INFO%", $local:literals["info"]);
    				
    				$local:literals["info"] = ""; // Restart the info message after showing it
    			</onEnterAssignment>
    			
    			<complex linearGroupId="cx.scan" linearPos="0" linearHeight="15" groupTitle="%TITLE%" />
    		</question>
    		
    		<!-- Complex Screen 2. Scanner screen -->
    		<question key="q2" type="14">
    		
    			<answer key="q2.a1" nextQuestionKey="q3" attributeType="14" dummyAnswer="true" />
    			
    			<text>%SCAN_TEXT%</text>
    			
    			<onEnterAssignment>
    				setPlaceholder("%SCAN_TEXT%", $local:literals["scan"]);
    				
    				// External event that use a private C# scanner
    				call($global:handleSocketServiceEvent)("STARTSCANNER");
    				
    				if (count($local:scannedItems) ?eq 0)
    				{
    					addAnswer($answer:'q2.a1', 'CK_EMPTY', $local:literals["no_items"]);
    				}
    				else
    				{
    					addAnswers($answer:'q2.a1', $local:scannedItems);
    				}
    				
    				$local:tmp["stayInThisScreen"] = false;
    				
    			</onEnterAssignment>
    			
    			<onLeaveOkPrepareAssignment>
    				$local:tmp["item"] = getQuestionClientKey();
    			</onLeaveOkPrepareAssignment>
    			
    			<onLeaveOkPersistAssignment>
    				call($global:handleSocketServiceEvent)("STOPSCANNER"); // Stop the external event scanner
    			</onLeaveOkPersistAssignment>
    			
    			<onLeaveBackAssignment>
    				call($global:handleSocketServiceEvent)("STOPSCANNER"); // Stop the external event scanner
    				$local:tmp["item"] = null;
    			</onLeaveBackAssignment>
    			
    			<onExternalEvent>
    				function($ref:evtSrc, $ref:data) 
    				{
    					// External event is the private scanner event
    					if (evtSrc ?eq $local:literals["scanEventId"])
    					{
    						scannedItem = data["barcodeData"]; // Data is the reference of the barcode. Is an array defined on my scan driver
    						if (count($local:scannedItems) ?eq 0)
    						{
    							removeAnswerByClientKey($answer:'q2.a1', 'CK_EMPTY');
    						}
    						
    						addAnswer($answer:'q2.a1', scannedItem, scannedItem);
    						$local:literals["info"] = concat("Scanned item: ", scannedItem);
    						$local:tmp["stayInThisScreen"] = true;
    						call($global:handleSocketServiceEvent)("TRIGGEROK"); // Private event that force an Enter in movilizer. On 2.5 there is a MEL method that allows to press enter by code
    					}
    				}
    			</onExternalEvent>
    			
    			<complex linearGroupId="cx.scan" linearPos="1" linearHeight="15" groupTitle="%TITLE%" />
    		</question>
    		
    		<!-- Remove item button screen -->
    		<question key="q3" type="6">
    		
    			<answer key="q3.a1" clientKey="ck.remove" nextQuestionKey="q3" attributeType="14" columnSizeType="ROWS" position="0" valueFontStyle="BOLD" labelFontStyle="BOLD" icon="6">
    				<text>%REMOVE%</text>
    			</answer>
    			
    			<answer key="q3.a2" clientKey="ck.predefined" nextQuestionKey="END" attributeType="72">
    				<text>0¤0¤0¤</text>
    				<predefinedValue>X</predefinedValue>
    			</answer>
    			
    			<restriction nextQuestionKey="q3">
    				<condition>$local:tmp["stayInThisScreen"]</condition>
    			</restriction>
    			
    			<validation position="1" type="WARNING">
    				<condition>strEquals(getQuestionClientKey(), "ck.remove") ?and !isBlank($local:tmp["item"])</condition>
    				<text>%VAL%</text>
    			</validation>
    			
    			<onEnterAssignment>
    				setPlaceholder("%REMOVE%", $local:literals["remove"]);
    			</onEnterAssignment>
    			
    			<onLeaveOkPrepareAssignment>
    				setPlaceholder("%VAL%", $local:literals["val"]);
    			</onLeaveOkPrepareAssignment>
    			
    			<onLeaveOkPersistAssignment>
    				if (strEquals(getQuestionClientKey(), "ck.remove") ?and !isBlank($local:tmp["item"]))
    				{
    					$local:scannedItems[$local:tmp["item"]] = null;
    				}
    				
    				$local:tmp["item"] = null;
    			</onLeaveOkPersistAssignment>
    			
    			<complex linearGroupId="cx.scan" linearPos="2" linearHeight="15" groupTitle="%TITLE%" />
    		</question>
    		
    		<moveletStartAssignment>
    			$local:literals = 
    			{
    				"title" : "Scan items";
    				"info" : "";
    				"remove" : "Remove item";
    				"scan" : "Scan items";
    				"val" : "Do you want to delete the following item?";
    				"no_items" : "No items scanned yet";
    				"scanEventId" : 331;
    			};
    			
    			$local:scannedItems = {};
    			
    			$local:tmp = 
    			{
    				"stayInThisScreen" : true;
    				"item" : null;
    			};
    		</moveletStartAssignment>
    	
    		<name>Scan items</name>
    	</movelet>
    	
    	<participant participantKey="${#DEV#ParticipantId}" name="${#DEV#ParticipantName}" deviceAddress="${#DEV#DevideAddress}" />
    </moveletSet>
</MovilizerRequest>