If I am generating a dynamic row based form, how can I submit the form
elements to the action in a structured manner.
I know it is possible to submit form elements as a collection by giving
the fields the same name as in:
(the same would work for multi select checkboxes)
<INPUT type="textbox" name="addField" value="field value1">
<INPUT type="textbox" name="addField" value="field value2">
<INPUT type="textbox" name="addField" value="field value3">
I would like to take it one step furthur and be able to submit data as
a table with an arbitrary number of rows.
A collection of hashes would be good way. For example:
<INPUT type="textbox" name="row[0]{field1}" value="row 1 field
value1">
<INPUT type="textbox" name="row[0]{field2}" value="row 1 field
value2">
<INPUT type="textbox" name="row[0]{field3}" value="row 1 field
value3">
<INPUT type="textbox" name="row[1]{field1}" value="row 2 field
value1">
<INPUT type="textbox" name="row[1]{field2}" value="row 2 field
value2">
<INPUT type="textbox" name="row[1]{field3}" value="row 3 field
value3">
...
So the action would have a setter for rows:
public void setRows(Collection row) {
//print out the rows
Iterator it = row.iterator();
while(it.hasNext()) {
HashMap rowData = (HashMap)it.next();
System.out.println(rowData.get("field1"));
System.out.println(rowData.get("field2"));
System.out.println(rowData.get("field3"));
}
Even better would be to map it directly to a value object for the row
if possible
public void setRows(Collection row) {
//print out the rows
Iterator it = row.iterator();
while(it.hasNext()) {
Row rowData = (Row)it.next();
System.out.println(rowData.getField1());
System.out.println(rowData.getField2());
System.out.println(rowData.getField3());
}
So in essence webworks could parse the form element name as
"ObjectName[ObjectIndex]{FieldName}".
thanks,
Alex.
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