org.activiti.designer.kickstart.eclipse.sync.FileExistsInFolderDialog.java Source code

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Here is the source code for org.activiti.designer.kickstart.eclipse.sync.FileExistsInFolderDialog.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 org.activiti.designer.kickstart.eclipse.sync;

import org.apache.chemistry.opencmis.client.api.Document;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.TitleAreaDialog;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.PlatformUI;

public class FileExistsInFolderDialog extends TitleAreaDialog {

    protected Document destination;
    protected String targetFileName;
    protected IFile sourceFile;

    protected boolean defaultSetup;
    protected boolean repoVersionIsHigher;

    public FileExistsInFolderDialog(Shell parentShell, Document destination, String targetFileName,
            IFile sourceFile) {
        super(parentShell);
        this.destination = destination;
        this.targetFileName = targetFileName;
        this.sourceFile = sourceFile;

        try {
            defaultSetup = true;
            String localVersionLabel = SyncUtil.retrieveLocalVersionLabel(sourceFile);
            if (localVersionLabel != null) {
                int versionComparison = SyncUtil.compareVersions(localVersionLabel, destination.getVersionLabel());
                if (versionComparison < 0) {
                    repoVersionIsHigher = true;
                    defaultSetup = false;
                }
            }
        } catch (CoreException e) {
            // just do the default then, is already set
        }
    }

    @Override
    public void create() {
        super.create();
        setTitle("Conflict situation");

        if (defaultSetup) {
            setDefaultMessage();
        } else if (repoVersionIsHigher) {
            setRepoVersionIsHigherMessage();
        }
    }

    private void setDefaultMessage() {
        setMessage("No previous synchronization data found. Do you want to upload a new version? "
                + "This makes the local content the latest version in the repository.");
    }

    private void setRepoVersionIsHigherMessage() {
        setMessage("The file in the repository has been updated by others. What do you want to do?");
    }

    @Override
    protected Control createDialogArea(Composite parent) {
        Composite area = (Composite) super.createDialogArea(parent);
        Composite container = new Composite(area, SWT.NONE);
        container.setLayoutData(new GridData(GridData.FILL_BOTH));
        GridLayout layout = new GridLayout(2, false);
        container.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
        container.setLayout(layout);
        return area;
    }

    @Override
    protected void createButtonsForButtonBar(Composite parent) {

        if (defaultSetup) {
            createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false);
            Button newVersionButton = createButton(parent, SyncConstants.NEW_VERSION_BUTTON_ID,
                    "Create new version", true);
            newVersionButton.addSelectionListener(new SelectionAdapter() {
                @Override
                public void widgetSelected(SelectionEvent e) {
                    SyncUtil.startProcessSynchronizationBackgroundJob(
                            PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), destination,
                            targetFileName, false, true, sourceFile);
                    close();
                }
            });
        } else if (repoVersionIsHigher) {
            createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, true);

            Button useLocalContentButton = createButton(parent, SyncConstants.USE_LOCAL_CONTENT_BUTTON_ID,
                    "Copy local version to repository", false);
            useLocalContentButton.addSelectionListener(new SelectionAdapter() {
                @Override
                public void widgetSelected(SelectionEvent e) {
                    SyncUtil.startProcessSynchronizationBackgroundJob(
                            PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), destination,
                            targetFileName, false, true, sourceFile);
                    close();
                }
            });

            Button useRepoContentButton = createButton(parent, SyncConstants.USE_REPO_CONTENT_BUTTON_ID,
                    "Copy repo version to local file", false);
            useRepoContentButton.addSelectionListener(new SelectionAdapter() {
                @Override
                public void widgetSelected(SelectionEvent e) {
                    SyncUtil.copyRepoFileToLocalFile(getShell(), sourceFile, destination);
                    close();
                }
            });
        }
    }

    @Override
    protected boolean isResizable() {
        return true;
    }

    @Override
    protected Point getInitialSize() {
        return new Point(780, 200);
    }

}