org.jetbrains.idea.svn.actions.AbstractIntegrateChangesAction.java Source code

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Here is the source code for org.jetbrains.idea.svn.actions.AbstractIntegrateChangesAction.java

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/*
 * Copyright 2000-2009 JetBrains s.r.o.
 *
 * 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 org.jetbrains.idea.svn.actions;

import com.intellij.openapi.actionSystem.*;
import com.intellij.openapi.project.DumbAware;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.Messages;
import com.intellij.openapi.vcs.ProjectLevelVcsManager;
import com.intellij.openapi.vcs.changes.committed.CommittedChangesBrowserUseCase;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.idea.svn.SvnBundle;
import org.jetbrains.idea.svn.integrate.MergerFactory;
import org.jetbrains.idea.svn.integrate.SelectedCommittedStuffChecker;
import org.jetbrains.idea.svn.integrate.SvnIntegrateChangesActionPerformer;

public abstract class AbstractIntegrateChangesAction<T extends SelectedCommittedStuffChecker> extends AnAction
        implements DumbAware {
    private final boolean myCheckUseCase;

    protected AbstractIntegrateChangesAction(final boolean checkUseCase) {
        myCheckUseCase = checkUseCase;
    }

    @NotNull
    protected abstract MergerFactory createMergerFactory(final T checker);

    @NotNull
    protected abstract T createChecker();

    public final void update(final AnActionEvent e) {
        final Project project = CommonDataKeys.PROJECT.getData(e.getDataContext());
        final CommittedChangesBrowserUseCase useCase = CommittedChangesBrowserUseCase.DATA_KEY
                .getData(e.getDataContext());
        final Presentation presentation = e.getPresentation();

        if ((project == null) || (myCheckUseCase)
                && ((useCase == null) || (!CommittedChangesBrowserUseCase.COMMITTED.equals(useCase)))) {
            presentation.setEnabled(false);
            presentation.setVisible(false);
            return;
        }

        presentation.setText(SvnBundle.message("action.Subversion.integrate.changes.actionname"));
        presentation.setDescription(SvnBundle.message("action.Subversion.integrate.changes.description"));

        final T checker = createChecker();
        checker.execute(e);

        presentation.setVisible(true);
        presentation.setEnabled(checker.isValid());

        if (presentation.isVisible() && presentation.isEnabled()
                && ProjectLevelVcsManager.getInstance(project).isBackgroundVcsOperationRunning()) {
            presentation.setEnabled(false);
        }

        updateWithChecker(e, checker);
    }

    protected void updateWithChecker(final AnActionEvent e, SelectedCommittedStuffChecker checker) {
    }

    @Nullable
    protected abstract String getSelectedBranchUrl(SelectedCommittedStuffChecker checker);

    @Nullable
    protected abstract String getSelectedBranchLocalPath(SelectedCommittedStuffChecker checker);

    @Nullable
    protected abstract String getDialogTitle();

    public void actionPerformed(final AnActionEvent e) {
        final DataContext dataContext = e.getDataContext();
        final Project project = CommonDataKeys.PROJECT.getData(dataContext);

        final T checker = createChecker();
        checker.execute(e);

        if (!checker.isValid()) {
            Messages.showErrorDialog(
                    SvnBundle.message("action.Subversion.integrate.changes.error.no.available.files.text"),
                    SvnBundle.message("action.Subversion.integrate.changes.messages.title"));
            return;
        }

        final SvnIntegrateChangesActionPerformer changesActionPerformer = new SvnIntegrateChangesActionPerformer(
                project, checker.getSameBranch(), createMergerFactory(checker));

        final String selectedBranchUrl = getSelectedBranchUrl(checker);
        if (selectedBranchUrl == null) {
            SelectBranchPopup.showForBranchRoot(project, checker.getRoot(), changesActionPerformer,
                    SvnBundle.message("action.Subversion.integrate.changes.select.branch.text"));
        } else {
            changesActionPerformer.onBranchSelected(selectedBranchUrl, getSelectedBranchLocalPath(checker),
                    getDialogTitle());
        }
    }
}