jitk_buffer.js

esri的ArcGIS Server超级学习模板程序（for java）

function IsNumeric(strString){
    var strValidChars = "0123456789.";
    var strChar;
    var blnResult = true;

    if (strString.length == 0) return false;
    for (i = strString.length; i >= 0; i--){
        strChar = strString.charAt(i);
        if (strValidChars.indexOf(strChar) == -1) blnResult = false;
    }        
    return blnResult;
}

function jitkPointBufferCheckDistance(obj){
    var error = false;
    if (obj.value == '') return;
    if (!IsNumeric(obj.value)){
        obj.value = 0.0;
        error = true;
    }
    if (0 > parseFloat(obj.value)) error = true;
    if (error){
      document.getElementById("jitk_pointBufferTask_param_errorLabel").style.display = "block";
    }else{
      document.getElementById("jitk_pointBufferTask_param_errorLabel").style.display = "none";
    }
}

function jitkFeatureBufferCheckDistance(obj){
    var error = false;
    if (obj.value == '') return;
    if (!IsNumeric(obj.value)){
        obj.value = 0.0;
        error = true;
    }
    if (0 > parseFloat(obj.value)) error = true;
    if (error){
      document.getElementById("jitk_featureBufferTask_param_errorLabel").style.display = "block";
    }else{
      document.getElementById("jitk_featureBufferTask_param_errorLabel").style.display = "none";
    }
}