limitedwip.ui.QuickCommitAction.java Source code

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Here is the source code for limitedwip.ui.QuickCommitAction.java

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/*
 * 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 limitedwip.ui;

import com.intellij.openapi.actionSystem.AnAction;
import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.application.ModalityState;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.Messages;
import com.intellij.openapi.vcs.AbstractVcs;
import com.intellij.openapi.vcs.ProjectLevelVcsManager;
import com.intellij.openapi.vcs.VcsBundle;
import com.intellij.openapi.vcs.VcsConfiguration;
import com.intellij.openapi.vcs.changes.*;
import com.intellij.openapi.vcs.changes.actions.RefreshAction;
import com.intellij.openapi.vcs.changes.ui.CommitHelper;
import com.intellij.openapi.vcs.checkin.BaseCheckinHandlerFactory;
import com.intellij.openapi.vcs.checkin.BeforeCheckinDialogHandler;
import com.intellij.openapi.vcs.checkin.CheckinHandler;
import com.intellij.openapi.vcs.checkin.VcsCheckinHandlerFactory;
import com.intellij.openapi.vcs.impl.CheckinHandlersManager;
import com.intellij.util.FunctionUtil;
import limitedwip.components.LimitedWIPProjectComponent;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class QuickCommitAction extends AnAction {

    private static final Pattern MESSAGE_PATTERN = Pattern.compile("^(.*?)(\\d+)$");

    @Override
    public void actionPerformed(@NotNull final AnActionEvent event) {
        final Project project = getEventProject(event);
        if (project == null)
            return;

        if (anySystemCheckinHandlerCancelsCommit(project))
            return;

        Runnable runnable = new Runnable() {
            @Override
            public void run() {
                RefreshAction.doRefresh(project);

                String lastCommitMessage = VcsConfiguration.getInstance(project).LAST_COMMIT_MESSAGE;
                String commitMessage = nextCommitMessage(lastCommitMessage);

                LocalChangeList defaultChangeList = ChangeListManager.getInstance(project).getDefaultChangeList();
                if (defaultChangeList.getChanges().isEmpty()) {
                    Messages.showInfoMessage(project, VcsBundle.message("commit.dialog.no.changes.detected.text"),
                            VcsBundle.message("commit.dialog.no.changes.detected.title"));
                    return;
                }

                ArrayList<CheckinHandler> noCheckinHandlers = new ArrayList<CheckinHandler>();
                CommitHelper commitHelper = new CommitHelper(project, defaultChangeList,
                        new ArrayList<Change>(defaultChangeList.getChanges()), "", commitMessage, noCheckinHandlers,
                        true, true, FunctionUtil.nullConstant(), new CommitResultHandler() {
                            @Override
                            public void onSuccess(@NotNull String commitMessage) {
                            }

                            @Override
                            public void onFailure() {
                            }
                        });

                boolean committed = commitHelper.doCommit();
                if (committed) {
                    VcsConfiguration.getInstance(project).saveCommitMessage(commitMessage);
                    LimitedWIPProjectComponent projectComponent = project
                            .getComponent(LimitedWIPProjectComponent.class);
                    projectComponent.onQuickCommit();
                }
            }
        };
        ChangeListManager.getInstance(project).invokeAfterUpdate(runnable,
                InvokeAfterUpdateMode.SYNCHRONOUS_CANCELLABLE, "Refreshing changelists...",
                ModalityState.current());
    }

    /**
     * Couldn't find better way to "reuse" this code but to copy-paste it from
     * {@link com.intellij.openapi.vcs.changes.ui.CommitChangeListDialog}.
     */
    private static boolean anySystemCheckinHandlerCancelsCommit(Project project) {
        final AbstractVcs[] allActiveVcss = ProjectLevelVcsManager.getInstance(project).getAllActiveVcss();
        final List<VcsCheckinHandlerFactory> factoryList = CheckinHandlersManager.getInstance()
                .getMatchingVcsFactories(Arrays.asList(allActiveVcss));
        for (BaseCheckinHandlerFactory factory : factoryList) {
            BeforeCheckinDialogHandler handler = factory.createSystemReadyHandler(project);
            if (handler != null && !handler.beforeCommitDialogShown(project, new ArrayList<Change>(),
                    new ArrayList<CommitExecutor>(), false)) {
                return true;
            }
        }
        return false;
    }

    static String nextCommitMessage(@Nullable String lastCommitMessage) {
        if (lastCommitMessage == null)
            lastCommitMessage = "";

        if (endsWithDigits(lastCommitMessage)) {
            int thisCommitNumber = Integer.valueOf(extractTailDigitsFrom(lastCommitMessage)) + 1;
            return removeTailDigitsFrom(lastCommitMessage) + thisCommitNumber;
        } else {
            return lastCommitMessage + " 0";
        }
    }

    private static boolean endsWithDigits(String s) {
        return MESSAGE_PATTERN.matcher(s).matches();
    }

    private static String extractTailDigitsFrom(String s) {
        Matcher matcher = MESSAGE_PATTERN.matcher(s);
        if (!matcher.matches())
            throw new IllegalStateException();

        return matcher.group(2);
    }

    private static String removeTailDigitsFrom(String s) {
        Matcher matcher = MESSAGE_PATTERN.matcher(s);
        if (!matcher.matches())
            throw new IllegalStateException();

        return matcher.group(1);
    }
}