/** {@inheritDoc} */
public void displaySuggestions(boolean display) {
// If nothing to change, return early
if (display == isDisplayingSuggestions() || mMentionsEditText == null) {
return;
}
// Change view depending on whether suggestions are being shown or not
if (display) {
disableSpellingSuggestions(true);
mTextCounterView.setVisibility(View.GONE);
mSuggestionsList.setVisibility(View.VISIBLE);
mPrevEditTextParams = mMentionsEditText.getLayoutParams();
mPrevEditTextBottomPadding = mMentionsEditText.getPaddingBottom();
mMentionsEditText.setPadding(
mMentionsEditText.getPaddingLeft(),
mMentionsEditText.getPaddingTop(),
mMentionsEditText.getPaddingRight(),
mMentionsEditText.getPaddingTop());
int height =
mMentionsEditText.getPaddingTop()
+ mMentionsEditText.getLineHeight()
+ mMentionsEditText.getPaddingBottom();
mMentionsEditText.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT, height));
mMentionsEditText.setVerticalScrollBarEnabled(false);
int cursorLine = getCurrentCursorLine();
Layout layout = mMentionsEditText.getLayout();
if (layout != null) {
int lineTop = layout.getLineTop(cursorLine);
mMentionsEditText.scrollTo(0, lineTop);
}
// Notify action listener that list was shown
if (mActionListener != null) {
mActionListener.onSuggestionsDisplayed();
}
} else {
disableSpellingSuggestions(false);
mTextCounterView.setVisibility(View.VISIBLE);
mSuggestionsList.setVisibility(View.GONE);
mMentionsEditText.setPadding(
mMentionsEditText.getPaddingLeft(),
mMentionsEditText.getPaddingTop(),
mMentionsEditText.getPaddingRight(),
mPrevEditTextBottomPadding);
if (mPrevEditTextParams == null) {
mPrevEditTextParams =
new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
}
mMentionsEditText.setLayoutParams(mPrevEditTextParams);
mMentionsEditText.setVerticalScrollBarEnabled(true);
// Notify action listener that list was hidden
if (mActionListener != null) {
mActionListener.onSuggestionsHidden();
}
}
requestLayout();
invalidate();
}
/** @return current line number of the cursor, or -1 if no cursor */
public int getCurrentCursorLine() {
int selectionStart = mMentionsEditText.getSelectionStart();
Layout layout = mMentionsEditText.getLayout();
if (layout != null && !(selectionStart == -1)) {
return layout.getLineForOffset(selectionStart);
}
return -1;
}
