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package net.wotonomy.web;
import net.wotonomy.foundation.NSArray;
import net.wotonomy.foundation.NSDictionary;
import net.wotonomy.foundation.NSKeyValueCodingAdditions;
public class WOPopUpButton extends WOInput {
public WOPopUpButton() {
super();
}
public WOPopUpButton(String aName, NSDictionary assocs, WOElement template) {
super(aName, assocs, template);
}
protected String inputType() {
return "SELECT";
}
protected int inputSize() {
return 1;
}
protected NSArray list(WOContext c) {
NSArray l = (NSArray) valueForProperty("list", c.component());
if (l == null)
l = NSArray.EmptyArray;
return l;
}
protected void setItem(Object v, WOContext c) {
if (associations.objectForKey("item") == null)
return;
setValueForProperty("item", v, c.component());
}
protected Object item(WOContext c) {
return valueForProperty("item", c.component());
}
protected void setSelection(Object v, WOContext c) {
if (associations.objectForKey("selection") == null)
return;
setValueForProperty("selection", v, c.component());
}
protected Object selection(WOContext c) {
return valueForProperty("selection", c.component());
}
public Object value(WOContext c) {
return null;
}
public void appendToResponse(WOResponse r, WOContext c) {
r.appendContentString("<SELECT NAME=\"");
r.appendContentString(inputName(c));
r.appendContentString("\" SIZE=");
r.appendContentString(Integer.toString(inputSize()));
r.appendContentString(">");
java.util.Enumeration numerador = list(c).objectEnumerator();
String displayKey = stringForProperty("displayString", c.component());
String valueKey = stringForProperty("value", c.component());
Object sel = selection(c);
if (sel == null)
sel = item(c);
int pos = 0;
while (numerador.hasMoreElements()) {
Object item = numerador.nextElement();
setItem(item, c);
r.appendContentString("<OPTION ");
// Append the "SELECTED" attribute if it's the selected item
if (sel != null && item.equals(sel))
r.appendContentString("SELECTED ");
r.appendContentString("VALUE=\"");
// Append the value
if (valueKey != null && item instanceof NSKeyValueCodingAdditions) {
Object val = ((NSKeyValueCodingAdditions) item).valueForKeyPath(valueKey);
if (val == null)
val = "null";
r.appendContentString(val.toString());
} else
r.appendContentString(Integer.toString(pos));
r.appendContentString("\">");
// Append display string
if (displayKey != null && item instanceof NSKeyValueCodingAdditions) {
Object ds = ((NSKeyValueCodingAdditions) item).valueForKeyPath(displayKey);
if (ds == null)
ds = "";
r.appendContentString(ds.toString());
} else
r.appendContentString(item.toString());
r.appendContentString("\n");
pos++;
}
r.appendContentString("</SELECT>");
}
protected void select(Object v, WOContext c) {
if (associations.objectForKey("selection") != null) {
setSelection(v, c);
return;
}
if (associations.objectForKey("item") != null) {
setItem(v, c);
}
}
public void takeValuesFromRequest(WORequest r, WOContext c) {
Object val = r.formValueForKey(inputName(c));
if (val == null)
return;
NSArray list = list(c);
String valueKey = stringForProperty("value", c.component());
// If no value binding, just get the index
if (valueKey == null) {
int pos = Integer.parseInt(val.toString());
val = list.objectAtIndex(pos);
select(val, c);
return;
}
// If value binding is present, lookup the value
java.util.Enumeration numerador = list.objectEnumerator();
while (numerador.hasMoreElements()) {
Object o = numerador.nextElement();
if (o instanceof NSKeyValueCodingAdditions) {
Object x = ((NSKeyValueCodingAdditions) o).valueForKeyPath(valueKey);
if (x != null && x.equals(val)) {
select(o, c);
return;
}
}
}
}
}
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