Custom JavaScript examples

[Erwin van der Zwart]

You can also replace [0].innerHTML with jQuery's .html()

Thanks Admin,

The code will be like this then:

Here is the final sample for changing color with css based on setpoint and actual value difference.

Give the first setpoint these additional classes 'Setp Setp_1', the 2nd 'Setp Setp_2', the 3th 'Setp Setp_3' etc

Give the first actual these additional classes 'Temp Temp_1', the 2nd 'Temp Temp_2', the 3th 'Temp Temp_3' etc  

So all setpoints will have 2 additional classes (Setp and Setp_nr) and all actuals will have 2 additional classes (Temp and Temp_nr)

Make sure to use incredimental sequense 1,2,3,4,5 etc. without gaps as Temp_nr and Setp_nr (the number makes the match between both)

Put this code in your custom JavaScript:

Code:

$(function(){
 
 // Set color values
 var defaultcolor = $('.Temp').css("color") // Use color that is default set on the object
 var highcolor = 'rgb(0, 153, 204)' // Blue
 var lowcolor = 'rgb(204, 153, 0)' // Orange
 
 // Function to change colors on values
 function CheckSetpointandValue(){
   // Check if and how many elements there are with additional class 'Temp'
   if ($(".Temp").length > 0){

     // Set number of items to loop through based on additional class 'Temp' items
     var TempValueItems = $(".Temp").length // Determine number of compare items
     
     // Set difference between actual and setpoint to change color
     var MinimalDifference = 0.5 // Determine minnimal difference between setpoint and actual temperature
   
     // Loop to items to set CSS
     for (i = 1; (i-1) < TempValueItems; i++) {
       // Set conditions for Setp_nr and Temp_nr
       if ( Number( $(".Temp_" + i).html() ) > ( Number( $(".Setp_" + i).html() ) + MinimalDifference ) ){
         $(".Temp_" + i).css("color", highcolor);
       } else if ( ( Number( $(".Temp_" + i).html() ) + MinimalDifference ) < Number( $(".Setp_" + i).html() ) ){
         $(".Temp_"  + i).css("color", lowcolor);
       } else {
         $(".Temp_" + i).css("color", defaultcolor);
       }
     }
   }
 }  
 
 // Check for changes on value of item with Temp
 $('.Temp').bind("DOMSubtreeModified",function(){
   CheckSetpointandValue();
 });
 
 // Check for changes on value of item with Setp
 $('.Setp').bind("DOMSubtreeModified",function(){
   CheckSetpointandValue();
 });
 
 // Initial execution
 CheckSetpointandValue();
 
});

BR,

Erwin