/**
* Returns the number of items potentially visible to the client.
*
* @return items.
*/
private int getVisibleItemsCount() {
int cnt = 0;
for (ResultItemPanel item : items) if (item.isVisibility() && !item.isFiltered()) cnt++;
return cnt;
}
/**
* Collapses / expands the group.
*
* @param col <code>TRUE</code> to collapse.
*/
public void setCollapsed(boolean col) {
collapsed = col;
for (ResultItemPanel item : items) item.setCollapsed(col);
moreItem.updateVisibility();
}
/**
* Removes the panel of the item from the group.
*
* @param item item to remove the panel of.
* @return panel removed or <code>NULL</code> if not found.
*/
public ResultItemPanel removeItemPanelFor(ResultItem item) {
for (ResultItemPanel panel : items) {
if (item == panel.getItem()) {
// Panel found
items.remove(panel);
recalcView();
return panel;
}
}
return null;
}
/**
* Sets the limit.
*
* @param aItemLimit limit.
*/
public void setItemLimit(int aItemLimit) {
itemLimit = aItemLimit;
int hidden = 0;
for (int i = 0; i < items.size(); i++) {
ResultItemPanel item = items.get(i);
item.setVisibility(i < itemLimit);
if (i >= itemLimit) hidden++;
}
moreItem.setCount(hidden);
}
/**
* Registers item within the group.
*
* @param item item.
* @return index within the group.
*/
public int register(ResultItemPanel item) {
int visibleItemsCount = getVisibleItemsCount();
boolean priority = item.getItem().isPriority();
int index = priority ? 0 : items.size();
items.add(index, item);
boolean filtered = isFiltered(item);
item.setFiltered(filtered);
if (!filtered) recalcView();
if (visibleItemsCount == 0) setVisible(true);
return index;
}
/**
* Returns <code>TRUE</code> if the item should be filtered out.
*
* @param aItem item to check.
* @return <code>TRUE</code> if the item should be filtered out.
*/
private boolean isFiltered(ResultItemPanel aItem) {
if (limitTime == -1L) return false;
Date date = aItem.getItem().getDate();
return date == null || date.getTime() <= limitTime;
}
/** Recalculates the view. */
private void recalcView() {
int more = 0;
int visible = 0;
for (ResultItemPanel itm : items) {
if (itm.isFiltered()) {
itm.setVisibility(false);
} else if (visible >= itemLimit) {
itm.setVisibility(false);
more++;
} else {
itm.setVisibility(true);
visible++;
}
}
moreItem.setCount(more);
lbCount.setText(Integer.toString(visible + more));
}
/**
* Sets filtering time. If the time is set to <code>-1</code> then filtering is off. Otherwise it
* shows the time after which all items are allowed.
*
* @param aLimitTime the time used for limiting.
*/
public void setLimitTime(long aLimitTime) {
limitTime = aLimitTime;
int shown = 0;
int hidden = 0;
for (ResultItemPanel item : items) {
item.setFiltered(isFiltered(item));
item.setVisibility(!item.isFiltered() && shown < itemLimit);
if (item.isVisible()) shown++;
else if (!item.isFiltered()) hidden++;
}
setVisible(shown > 0);
moreItem.setCount(hidden);
}
/** Invoked when the user asks for more items. */
private void onShowMore() {
for (ResultItemPanel item : items) item.setVisibility(true);
moreItem.setCount(0);
}