Checking if a string contains "text" from a box, and only if it doesn't, add it to the string.

Question

I have a few comboboxes. I want a text field to add a string to itself, containing the text selected from each combobox. I got it, using this:

var a = this.getField("CoBi_text");

for (i=1;i<16;i++) {

var t = (this.getField("CoB_"+i).valueAsString);

if (t != ""){

a.value += t+", "; } }

But this adds the same text if I select the same option in any combobox. How do I include a conditional do skip the increment if "text is already in the string? I tried this:

if ( (t != "") && (a.value.indexOf("t")<0) ) {

a.value += t+", "; }

But it causes the string to add only the first text, not incrementing any more text after that.

PS. this text field will be hidden and later used on another condition (if it contains "specific text"), some other actions trigger.
So the ", " (comma) is probably not necessary, but I think it shouldn't be in the way of a proper indexOf search (right?)

Thanks.

Anonymous · Accepted Answer

ehrm, nevermind. I got it.the "t" inside of indexOf should not have "s....var a = this.getField("CoBi_text"); for (i=1;i<16;i++) { var t = (this.getField("CoB_"+i).valueAsString); if ( (t != "") && (a.value.indexOf(t)<0) ) { a.value += t+", "; }Now it adds "text, " but no more than once for each different text on each dropdown list.There's still the issue of changing a selected item in a combobox, how do I remove the old text from the textbox... but I think some form of forced recalculation should suffice.Thanks for taking the time to answer and for the link!

gkaiseril · Answer

Has a selection for all combo boxes been made before your script runs?

What is the default value for your combo boxes?

Have you double checked that the values you are trying to process are really what you think they are?

You could add some additional statements temporarily to show the values and type of values you are processing using the console.println() method.

You might want to create an array variable to hold all the values you whish to process. You then have other options on how to create the final result. You can check for an aleady included value using the "indexOf() " method. before adding the value.

Unless you are adding the elements into a combo box or drop down box, the default value for the no selection is a space not a null string. If you set a default value you can compare the "value" of the combo box to the "defautlValue" of the combo box.

Since a combo box allows for more than one selection, how will h

andle those situations?

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