Nicklas Karlsson wrote:
> Hi,
>
> I found an oldish posting saying that setField was not supported for
> multi-select listboxes. Is this still the case?
>
> Is the workaround to check the field type, typecast correctly and do
> some low level selections?
Modified: trunk/src/core/com/lowagie/text/pdf/AcroFields.java
===================================================================
--- trunk/src/core/com/lowagie/text/pdf/AcroFields.java 2008-10-10
11:37:58 UTC (rev 3596)
+++ trunk/src/core/com/lowagie/text/pdf/AcroFields.java 2008-10-24
13:36:41 UTC (rev 3597)
@@ -1340,6 +1340,47 @@
return false;
}
+ /**
+ * Sets different values in a list selection.
+ * No appearance is generated yet; nor does the code check if
multiple select is allowed.
+ * @param name the name of the field
+ * @param value an array with values that need to be selected
+ * @return true only if the field value was changed
+ * @since 2.1.4
+ */
+ public boolean setListSelection(String name, String[] value) throws
IOException, DocumentException {
+ Item item = (Item)fields.get(name);
+ if (item == null)
+ return false;
+ PdfName type =
(PdfName)PdfReader.getPdfObject(((PdfDictionary)item.merged.get(0)).get(PdfName.FT));
+ if (!PdfName.CH.equals(type)) {
+ return false;
+ }
+ String[] options = getListOptionExport(name);
+ PdfArray array = new PdfArray();
+ for (int i = 0; i < value.length; i++) {
+ for (int j = 0; j < options.length; j++) {
+ if (options[j].equals(value[i])) {
+ array.add(new PdfNumber(j));
+ }
+ }
+ }
+ for (int idx = 0; idx < item.values.size(); ++idx) {
+ PdfDictionary valueDic = (PdfDictionary)item.values.get(idx);
+ valueDic.remove(PdfName.V);
+ valueDic.put(PdfName.I, array);
+ markUsed(valueDic);
+ PdfDictionary merged = (PdfDictionary)item.merged.get(idx);
+ merged.put(PdfName.I, array);
+ merged.remove(PdfName.V);
+ PdfDictionary widget = (PdfDictionary)item.widgets.get(idx);
+ widget.remove(PdfName.AP);
+ merged.remove(PdfName.AP);
+ markUsed(widget);
+ }
+ return true;
+ }
+
--
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