/**
* Insert a digest before amongst the currently shown digests
*
* @param insertRef the DigestView to insert the new digest before. The new digest is inserted
* last if insertRef is {@null}.
* @param digest the digest to insert.
* @return the newly inserted DigestView.
*/
private DigestView insertDigest(DigestView insertRef, Digest digest) {
DigestView newDigestUi = null;
if (insertRef != null) {
newDigestUi = searchUi.insertBefore(insertRef, digest);
digestUis.put(newDigestUi, digest);
} else {
insertRef = searchUi.getLast();
newDigestUi = searchUi.insertAfter(insertRef, digest);
digestUis.put(newDigestUi, digest);
}
return newDigestUi;
}
/**
* Find the DigestView that contains a certain digest
*
* @param digest the digest the DigestView should contain.
* @return the DigestView containing the digest. {@null} if the digest is not found.
*/
private DigestView findDigestView(Digest digest) {
DigestView digestUi = searchUi.getFirst();
while (digestUi != null) {
if (digestUis.get(digestUi).equals(digest)) {
return digestUi;
}
digestUi = searchUi.getNext(digestUi);
}
return null;
}
private void renderDigests() {
isRenderingInProgress = true;
// Preserve selection on re-rendering.
WaveId toSelect = selected != null ? digestUis.get(selected).getWaveId() : null;
searchUi.clearDigests();
digestUis.clear();
setSelected(null);
for (int i = 0, size = search.getMinimumTotal(); i < size; i++) {
Digest digest = search.getDigest(i);
if (digest == null) {
continue;
}
DigestView digestUi = searchUi.insertBefore(null, digest);
digestUis.put(digestUi, digest);
if (digest.getWaveId().equals(toSelect)) {
setSelected(digestUi);
}
}
isRenderingInProgress = false;
}
private void selectWaveUri(String waveId) {
// Log.info("Trying to select waveId " + waveId);
DigestView digestUi = searchUi.getFirst();
while (digestUi != null) {
Digest digest = digestUis.get(digestUi);
WaveId iteraWaveId = digest.getWaveId();
// Log.info("Comparing to waveId " + iteraWaveId);
if (iteraWaveId.equals(WaveId.deserialise(waveId))) {
setSelected(digestUi);
return;
}
digestUi = searchUi.getNext(digestUi);
}
setSelected(null);
}
/** Invokes the wave-select action on the currently selected digest. */
private void openSelected() {
actionHandler.onWaveSelected(digestUis.get(selected).getWaveId());
}