| // Copyright (C) 2008 The Android Open Source Project |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package com.google.gerrit.client.changes; |
| |
| import com.google.gerrit.client.Gerrit; |
| import com.google.gerrit.client.rpc.GerritCallback; |
| import com.google.gerrit.common.PageLinks; |
| import com.google.gerrit.reviewdb.client.Change; |
| import com.google.gerrit.reviewdb.client.RevId; |
| import com.google.gwt.user.client.rpc.AsyncCallback; |
| import com.google.gwtorm.client.KeyUtil; |
| |
| public class QueryScreen extends PagedSingleListScreen implements |
| ChangeListScreen { |
| public static QueryScreen forQuery(String query) { |
| return forQuery(query, PageLinks.TOP); |
| } |
| |
| public static QueryScreen forQuery(String query, String position) { |
| return new QueryScreen(KeyUtil.encode(query), position); |
| } |
| |
| private final String query; |
| |
| public QueryScreen(final String encQuery, final String positionToken) { |
| super("/q/" + encQuery, positionToken); |
| query = KeyUtil.decode(encQuery); |
| } |
| |
| @Override |
| protected void onInitUI() { |
| super.onInitUI(); |
| setWindowTitle(Util.M.changeQueryWindowTitle(query)); |
| setPageTitle(Util.M.changeQueryPageTitle(query)); |
| } |
| |
| @Override |
| protected AsyncCallback<ChangeList> loadCallback() { |
| return new GerritCallback<ChangeList>() { |
| @Override |
| public final void onSuccess(ChangeList result) { |
| if (isAttached()) { |
| if (result.length() == 1 && isSingleQuery(query)) { |
| ChangeInfo c = result.get(0); |
| Change.Id id = c.legacy_id(); |
| Gerrit.display(PageLinks.toChange(id), new ChangeScreen(id)); |
| } else { |
| display(result); |
| QueryScreen.this.display(); |
| } |
| } |
| } |
| }; |
| } |
| |
| @Override |
| public void onShowView() { |
| super.onShowView(); |
| Gerrit.setQueryString(query); |
| } |
| |
| @Override |
| protected void loadPrev() { |
| ChangeList.prev(query, pageSize, pos, loadCallback()); |
| } |
| |
| @Override |
| protected void loadNext() { |
| ChangeList.next(query, pageSize, pos, loadCallback()); |
| } |
| |
| private static boolean isSingleQuery(String query) { |
| if (query.matches("^[1-9][0-9]*$")) { |
| // Legacy numeric identifier. |
| // |
| return true; |
| } |
| |
| if (query.matches("^[iI][0-9a-f]{4,}$")) { |
| // Newer style Change-Id. |
| // |
| return true; |
| } |
| |
| if (query.matches("^([0-9a-fA-F]{4," + RevId.LEN + "})$")) { |
| // Commit SHA-1 of any change. |
| // |
| return true; |
| } |
| |
| return false; |
| } |
| } |