| /* |
| * Copyright (c) 2015 Eike Stepper (Berlin, Germany) and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Eike Stepper - initial API and implementation |
| */ |
| package org.eclipse.emf.cdo.internal.ui.dialogs; |
| |
| import org.eclipse.emf.cdo.common.branch.CDOBranch; |
| import org.eclipse.emf.cdo.common.branch.CDOBranchPoint; |
| import org.eclipse.emf.cdo.ui.widgets.ComposeBranchPointComposite; |
| |
| import org.eclipse.jface.dialogs.IDialogConstants; |
| import org.eclipse.jface.dialogs.TitleAreaDialog; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.jface.viewers.TreeViewer; |
| import org.eclipse.swt.SWT; |
| 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; |
| |
| /** |
| * @author Eike Stepper |
| */ |
| public abstract class AbstractBranchPointDialog extends TitleAreaDialog |
| { |
| private final boolean allowTimeStamp; |
| |
| private final CDOBranchPoint branchPoint; |
| |
| private ComposeBranchPointComposite branchPointComposite; |
| |
| private String timeStampError; |
| |
| public AbstractBranchPointDialog(Shell parentShell, boolean allowTimeStamp, CDOBranchPoint branchPoint) |
| { |
| super(parentShell); |
| this.allowTimeStamp = allowTimeStamp; |
| this.branchPoint = branchPoint; |
| |
| setShellStyle(SWT.CLOSE | SWT.RESIZE | SWT.TITLE | SWT.APPLICATION_MODAL); |
| } |
| |
| public final boolean isAllowTimeStamp() |
| { |
| return allowTimeStamp; |
| } |
| |
| public final CDOBranchPoint getBranchPoint() |
| { |
| if (branchPointComposite != null) |
| { |
| return branchPointComposite.getBranchPoint(); |
| } |
| |
| return branchPoint; |
| } |
| |
| @Override |
| protected Point getInitialSize() |
| { |
| return new Point(450, 450); |
| } |
| |
| @Override |
| protected Control createDialogArea(Composite parent) |
| { |
| Composite area = (Composite)super.createDialogArea(parent); |
| |
| GridLayout containerGridLayout = new GridLayout(2, false); |
| containerGridLayout.marginWidth = 10; |
| containerGridLayout.marginHeight = 10; |
| containerGridLayout.verticalSpacing = 10; |
| |
| Composite container = new Composite(area, SWT.NONE); |
| container.setLayoutData(new GridData(GridData.FILL_BOTH)); |
| container.setLayout(containerGridLayout); |
| |
| createUI(container); |
| |
| validate(); |
| return area; |
| } |
| |
| protected void createUI(Composite container) |
| { |
| branchPointComposite = new ComposeBranchPointComposite(container, allowTimeStamp, branchPoint) |
| { |
| @Override |
| protected void timeStampError(String message) |
| { |
| timeStampError = message; |
| validate(); |
| } |
| |
| @Override |
| protected void branchPointChanged(CDOBranchPoint branchPoint) |
| { |
| if (validate()) |
| { |
| AbstractBranchPointDialog.this.branchPointChanged(branchPoint); |
| } |
| } |
| |
| @Override |
| protected void doubleClicked() |
| { |
| AbstractBranchPointDialog.this.doubleClicked(); |
| } |
| }; |
| |
| branchPointComposite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1)); |
| CDOBranch branch = branchPoint.getBranch(); |
| |
| TreeViewer branchViewer = branchPointComposite.getBranchViewer(); |
| branchViewer.setSelection(new StructuredSelection(branch)); |
| branchViewer.setExpandedState(branch, true); |
| } |
| |
| protected final boolean validate() |
| { |
| String error = timeStampError; |
| |
| if (error == null) |
| { |
| try |
| { |
| doValidate(); |
| } |
| catch (Exception ex) |
| { |
| error = ex.getMessage(); |
| } |
| } |
| |
| setErrorMessage(error); |
| |
| Button button = getButton(IDialogConstants.OK_ID); |
| if (button != null) |
| { |
| button.setEnabled(error == null); |
| } |
| |
| return error == null; |
| } |
| |
| protected void doValidate() throws Exception |
| { |
| // Do nothing. |
| } |
| |
| protected void branchPointChanged(CDOBranchPoint branchPoint) |
| { |
| // Do nothing. |
| } |
| |
| protected void doubleClicked() |
| { |
| close(); |
| } |
| |
| public static CDOBranchPoint select(Shell shell, boolean allowTimeStamp, CDOBranchPoint branchPoint) |
| { |
| AbstractBranchPointDialog dialog; |
| if (allowTimeStamp) |
| { |
| dialog = new SelectBranchPointDialog(shell, branchPoint); |
| } |
| else |
| { |
| dialog = new SelectBranchDialog(shell, branchPoint); |
| } |
| |
| if (dialog.open() == AbstractBranchPointDialog.OK) |
| { |
| return dialog.getBranchPoint(); |
| } |
| |
| return null; |
| } |
| } |