org.rstudio.studio.client.workbench.views.vcs.frame.VCSPopup.java Source code

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Here is the source code for org.rstudio.studio.client.workbench.views.vcs.frame.VCSPopup.java

Source

/*
 * VCSPopup.java
 *
 * Copyright (C) 2009-12 by RStudio, Inc.
 *
 * Unless you have received this program directly from RStudio pursuant
 * to the terms of a commercial license agreement with RStudio, then
 * this program is licensed to you under the terms of version 3 of the
 * GNU Affero General Public License. This program is distributed WITHOUT
 * ANY EXPRESS OR IMPLIED WARRANTY, INCLUDING THOSE OF NON-INFRINGEMENT,
 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Please refer to the
 * AGPL (http://www.gnu.org/licenses/agpl-3.0.txt) for more details.
 *
 */
package org.rstudio.studio.client.workbench.views.vcs.frame;

import java.util.ArrayList;

import com.google.gwt.dom.client.Style.Unit;

import com.google.gwt.user.client.ui.*;

import org.rstudio.core.client.files.FileSystemItem;
import org.rstudio.studio.client.common.vcs.StatusAndPath;
import org.rstudio.studio.client.workbench.views.vcs.common.events.SwitchViewEvent;
import org.rstudio.studio.client.workbench.views.vcs.dialog.HistoryPresenter;
import org.rstudio.studio.client.workbench.views.vcs.dialog.ReviewPresenter;

public class VCSPopup {
    public interface Controller {
        void switchToHistory(FileSystemItem fileFilter);

        void switchToReview(ArrayList<StatusAndPath> selected);
    }

    public static Controller show(final LayoutPanel swapContainer, final ReviewPresenter rpres,
            final HistoryPresenter hpres, boolean showHistory) {
        final Widget review = rpres.asWidget();
        review.setSize("100%", "100%");

        final Widget history = hpres.asWidget();
        history.setSize("100%", "100%");

        swapContainer.setSize("100%", "100%");
        swapContainer.add(review);
        swapContainer.setWidgetLeftRight(review, 0, Unit.PX, 0, Unit.PX);
        swapContainer.setWidgetTopBottom(review, 0, Unit.PX, 0, Unit.PX);
        swapContainer.add(history);
        swapContainer.setWidgetLeftRight(history, 0, Unit.PX, 0, Unit.PX);
        swapContainer.setWidgetTopBottom(history, 0, Unit.PX, 0, Unit.PX);

        if (showHistory) {
            swapContainer.setWidgetVisible(review, false);
            hpres.onShow();
        } else {
            swapContainer.setWidgetVisible(history, false);
            rpres.onShow();
        }

        // create a controller used to implement switch view and to return 
        final Controller controller = new Controller() {
            @Override
            public void switchToHistory(FileSystemItem fileFilter) {
                if (fileFilter != null)
                    hpres.setFileFilter(fileFilter);

                hpres.onShow();
                swapContainer.setWidgetVisible(history, true);
                swapContainer.setWidgetVisible(review, false);
            }

            @Override
            public void switchToReview(ArrayList<StatusAndPath> selected) {
                if (selected != null)
                    rpres.setSelectedPaths(selected);

                rpres.onShow();
                swapContainer.setWidgetVisible(review, true);
                swapContainer.setWidgetVisible(history, false);
            }

        };

        rpres.addSwitchViewHandler(new SwitchViewEvent.Handler() {
            @Override
            public void onSwitchView(SwitchViewEvent event) {
                controller.switchToHistory(null);
            }
        });
        hpres.addSwitchViewHandler(new SwitchViewEvent.Handler() {
            @Override
            public void onSwitchView(SwitchViewEvent event) {
                controller.switchToReview(null);
            }
        });

        return controller;
    }

}