Enable modification of form field once a personalized dynamic stamp has been applied

I currently have a functional custom dynamic stamp that includes multiple input fields prompting the user. My goal now is to integrate a form text field onto the stamp after it has been rendered. For example, if someone stamps everything except for the ledger codes because they don't know them at the time, and then sends the PDF to someone who does know the ledger codes, I want those codes to be added as editable form fields without requiring an additional stamp.

Essentially, once the stamp is applied, I no longer want it to function as a standard stamp; instead, I want it to become a form (I believe...)

The code below represents the working stamp (excluding the "approve" field)

    var dialog = {
    VendorNum: "",
    Date: "",
    ProjNumRow1: "",
    ProjNumRow2: "",
    ProjNumRow3: "",
    ProjNumRow4: "",
    GLCodeRow1: "",
    GLCodeRow2: "",
    GLCodeRow3: "",
    GLCodeRow4: "",
    AmountRow1: "",
    AmountRow2: "",
    AmountRow3: "",
    AmountRow4: "",
    Approval: "",

    commit:function (dialog) { // called when OK pressed 
        var results = dialog.store();
        this.VendorNum = results["txt1"];
        this.Date = results["txt2"];
        this.ProjNumRow1 = results["txt3"];
        this.ProjNumRow2 = results["txt4"];
        this.ProjNumRow3 = results["txt5"];
        this.ProjNumRow4 = results["txt6"];
        this.GLCodeRow1 = results["txt7"];
        this.GLCodeRow2 = results["txt8"];
        this.GLCodeRow3 = results["txt9"];
        this.GLCodeRow4 = results["txtA"];
        this.AmountRow1 = results["txtB"];
        this.AmountRow2 = results["txtC"];
        this.AmountRow3 = results["txtD"];
        this.AmountRow4 = results["txtE"];
        [...]

Answer №1

Once a stamp has been applied, it becomes permanent and cannot be altered (although it can still be repositioned on the page).

Instead of trying to convert a stamp into a form, consider incorporating form fields directly onto the document for users to fill out.

To do this, you can utilize the addField() method to insert the necessary fields.

If your document needs to be accessible in Adobe Reader, make sure to require Reader XI or newer, or enable Extended Rights as needed.

Answer №2

If you want a dynamic stamp to be re-rendered, you can achieve this using JavaScript. Simply retrieve the annotation object corresponding to the specific stamp, access its properties object, remove the APCosObj property, and update the properties with the modified object. As long as the custom stamp remains in Acrobat, a dialog will appear for users to input data. However, accessing existing data directly from the stamp is not possible, so you would need to implement a method for storing it. Each annotation is assigned a unique "name" property upon creation, which can be used to link stored data to the annotation.

For example, if your annotation is the first one on the initial page, your code may resemble the following...

annot = this.getAnnots()[0];
props = annot.getProps();
delete props.APCosObj;
annot.setProps(props);

Acrobat (or Reader) will recognize that the stamp appearance has changed, prompting it to refresh the stamp and execute your script once again.

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