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@ -4,6 +4,52 @@ |
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<meta charset="UTF-8"> |
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<meta name="viewport" content="width=device-width, initial-scale=1.0, shrink-to-fit=no"> |
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<title>Input Screen</title> |
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<script src="https://code.jquery.com/jquery-3.4.1.js"></script> |
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<script> |
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let value_error = false; // Flag if Lat/Lon values are out of range. |
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let latitude_low = 38.0; |
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let latitude_high = 40.0; |
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let longitude_low = -96.0; |
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let longitude_high = -94.0; |
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function inRange(nVal, nLow, nHigh) |
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{ |
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nVal = Number(nVal); |
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nLow = Number(nLow); |
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nHigh = Number(nHigh); |
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return (nVal >= nLow) && (nVal <= nHigh); |
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} |
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function submitForm() |
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{ |
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// Clear values |
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value_error = false; |
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$("#latitude_error").html(''); |
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$("#longitude_error").html(''); |
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// Set Vars |
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let nLatitude = $("#latitude").val(); |
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let nLongitude = $("#longitude").val(); |
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if ((!$.isNumeric(nLatitude)) || (!inRange(nLatitude,latitude_low,latitude_high))) |
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{ |
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$("#latitude_error").html('Please enter a value between ' + latitude_low + ' and ' + latitude_high); |
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value_error = true; |
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} |
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if ((!$.isNumeric(nLongitude)) || (!inRange(nLongitude,longitude_low,longitude_high))) |
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{ |
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$("#longitude_error").html('Please enter a value between ' + longitude_low + ' and ' + longitude_high); |
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value_error = true; |
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} |
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// if Lat or Lon values are out of range return to form. |
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if (value_error) { return; } |
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alert('Submit Form'); |
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} |
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</script> |
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</head> |
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<body> |
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<header> |
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@ -12,17 +58,19 @@ |
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</div> |
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</header> |
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<section> |
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<form action="#" target="_self" method="get"> |
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<form action="" method="get"> |
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<div id="latitude_error"></div> |
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<div> |
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<label for="latitude">Latitude:</label> |
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<input type="number" name="latitude" id="latitude" /> |
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<input type="text" name="latitude" id="latitude" /> |
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</div> |
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<div id="longitude_error"></div> |
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<div> |
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<label for="longitude">Longitude:</label> |
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<input type="number" name="longitude" id="longitude" /> |
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<input type="text" name="longitude" id="longitude" /> |
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</div> |
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<div> |
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<input type="submit" value="Submit"> |
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<input type="button" onClick="submitForm()" value=" Save "> |
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</div> |
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</form> |
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</section> |
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