/** Handle a Search request. */
public void doSearch(RunData runData, Context context) {
// access the portlet element id to find our state
String peid = ((JetspeedRunData) runData).getJs_peid();
SessionState state = ((JetspeedRunData) runData).getPortletSessionState(peid);
// read the search form field into the state object
String search = StringUtil.trimToNull(runData.getParameters().getString(FORM_SEARCH));
// set the flag to go to the prev page on the next list
if (search == null) {
state.removeAttribute(STATE_SEARCH);
} else {
state.setAttribute(STATE_SEARCH, search);
}
// start paging again from the top of the list
resetPaging(state);
// if we are searching, turn off auto refresh
if (search != null) {
ObservingCourier observer = (ObservingCourier) state.getAttribute(STATE_OBSERVER);
if (observer != null) {
observer.disable();
}
}
// else turn it back on
else {
enableObserver(state);
}
} // doSearch
/** Enable the observer, unless we are in search mode, where we want it disabled. */
public void enableObserver(SessionState state) {
// get the observer
ObservingCourier observer = (ObservingCourier) state.getAttribute(STATE_OBSERVER);
if (observer != null) {
// we leave it disabled if we are searching, or if the user has last selected to be manual
if ((state.getAttribute(STATE_SEARCH) != null)
|| (state.getAttribute(STATE_MANUAL_REFRESH) != null)) {
observer.disable();
} else {
observer.enable();
}
}
} // enableObserver
/** Add the menus for manual / auto - refresh. */
protected void addRefreshMenus(Menu bar, SessionState state) {
// only offer if there's an observer
ObservingCourier observer = (ObservingCourier) state.getAttribute(STATE_OBSERVER);
if (observer == null) return;
bar.add(new MenuDivider());
bar.add(
new MenuEntry(
(observer.getEnabled() ? rb.getString("ref.manref") : rb.getString("ref.autoref")),
"doAuto"));
if (!observer.getEnabled()) {
bar.add(new MenuEntry(rb.getString("ref.refresh"), "doRefresh"));
}
} // addRefreshMenus
/** Toggle auto-update */
public void doAuto(RunData data, Context context) {
// access the portlet element id to find our state
String peid = ((JetspeedRunData) data).getJs_peid();
SessionState state = ((JetspeedRunData) data).getPortletSessionState(peid);
// get the observer
ObservingCourier observer = (ObservingCourier) state.getAttribute(STATE_OBSERVER);
if (observer != null) {
boolean enabled = observer.getEnabled();
if (enabled) {
observer.disable();
state.setAttribute(STATE_MANUAL_REFRESH, "manual");
} else {
observer.enable();
state.removeAttribute(STATE_MANUAL_REFRESH);
}
}
} // doAuto