| /******************************************************************************* |
| * Copyright (c) 2006, 2017 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.team.internal.ui.synchronize; |
| |
| import org.eclipse.osgi.util.NLS; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.layout.GridLayout; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Label; |
| import org.eclipse.team.internal.ui.TeamUIMessages; |
| import org.eclipse.team.internal.ui.TeamUIPlugin; |
| import org.eclipse.team.internal.ui.Utils; |
| import org.eclipse.team.ui.ISharedImages; |
| import org.eclipse.team.ui.synchronize.ISynchronizePageConfiguration; |
| import org.eclipse.ui.forms.events.HyperlinkAdapter; |
| import org.eclipse.ui.forms.events.HyperlinkEvent; |
| import org.eclipse.ui.forms.widgets.Hyperlink; |
| |
| /** |
| * A changes section that points the user to a mode that has changes when the current mode |
| * is empty. |
| */ |
| public abstract class ForwardingChangesSection extends ChangesSection { |
| |
| /** |
| * Shows message to user is no changes are to be shown in the diff |
| * tree viewer. |
| */ |
| private Composite messageArea; |
| |
| public ForwardingChangesSection(Composite parent, AbstractSynchronizePage page, ISynchronizePageConfiguration configuration) { |
| super(parent, page, configuration); |
| } |
| |
| @Override |
| protected void initializeChangesViewer() { |
| calculateDescription(); |
| } |
| |
| protected void calculateDescription() { |
| if (getContainer().isDisposed()) |
| return; |
| if(getVisibleChangesCount() == 0) { |
| TeamUIPlugin.getStandardDisplay().asyncExec(() -> { |
| if (!getContainer().isDisposed()) |
| updatePage(getEmptyChangesComposite(getContainer())); |
| }); |
| } else { |
| TeamUIPlugin.getStandardDisplay().asyncExec(() -> updatePage(null)); |
| } |
| } |
| |
| protected void updatePage(Composite message) { |
| if (getContainer().isDisposed()) return; |
| if(messageArea != null) { |
| messageArea.dispose(); |
| messageArea = null; |
| } |
| messageArea = message; |
| if (message == null) { |
| Control control = getChangesViewer().getControl(); |
| if (!getContainer().isDisposed() && !control.isDisposed()) { |
| getContainer().showPage(control); |
| } |
| } else { |
| getContainer().showPage(messageArea); |
| } |
| } |
| |
| protected Composite getEmptyChangesComposite(Composite parent) { |
| Composite composite = new Composite(parent, SWT.NONE); |
| composite.setBackground(getListBackgroundColor()); |
| GridLayout layout = new GridLayout(); |
| layout.numColumns = 2; |
| composite.setLayout(layout); |
| GridData data = new GridData(GridData.FILL_BOTH); |
| data.grabExcessVerticalSpace = true; |
| composite.setLayoutData(data); |
| |
| if(! isThreeWay()) { |
| createDescriptionLabel(composite,NLS.bind(TeamUIMessages.ChangesSection_noChanges, new String[] { Utils.shortenText(SynchronizeView.MAX_NAME_LENGTH, getConfiguration().getParticipant().getName()) })); |
| return composite; |
| } |
| |
| int allChanges = getChangesCount(); |
| long visibleChanges = getVisibleChangesCount(); |
| |
| if(visibleChanges == 0 && allChanges != 0) { |
| final int candidateMode = getCandidateMode(); |
| int currentMode = getConfiguration().getMode(); |
| if (candidateMode != currentMode) { |
| long numChanges = getChangesInMode(candidateMode); |
| if (numChanges > 0) { |
| String message; |
| if(numChanges > 1) { |
| message = NLS.bind(TeamUIMessages.ChangesSection_filterHidesPlural, new String[] { Long.toString(numChanges), Utils.modeToString(candidateMode) }); |
| } else { |
| message = NLS.bind(TeamUIMessages.ChangesSection_filterHidesSingular, new String[] { Long.toString(numChanges), Utils.modeToString(candidateMode) }); |
| } |
| message = NLS.bind(TeamUIMessages.ChangesSection_filterHides, new String[] { Utils.modeToString(getConfiguration().getMode()), message }); |
| |
| Label warning = new Label(composite, SWT.NONE); |
| warning.setImage(TeamUIPlugin.getPlugin().getImage(ISharedImages.IMG_WARNING_OVR)); |
| |
| Hyperlink link = getForms().createHyperlink(composite, NLS.bind(TeamUIMessages.ChangesSection_filterChange, new String[] { Utils.modeToString(candidateMode) }), SWT.WRAP); |
| link.addHyperlinkListener(new HyperlinkAdapter() { |
| @Override |
| public void linkActivated(HyperlinkEvent e) { |
| getConfiguration().setMode(candidateMode); |
| } |
| }); |
| getForms().getHyperlinkGroup().add(link); |
| createDescriptionLabel(composite, message); |
| return composite; |
| } |
| } |
| } |
| // There is no other mode that can be shown so just indicate that there are no changes |
| createDescriptionLabel(composite,NLS.bind(TeamUIMessages.ChangesSection_noChanges, new String[] { Utils.shortenText(SynchronizeView.MAX_NAME_LENGTH, getConfiguration().getParticipant().getName()) })); // |
| return composite; |
| } |
| |
| protected Label createDescriptionLabel(Composite parent, String text) { |
| Label description = new Label(parent, SWT.WRAP); |
| GridData data = new GridData(GridData.FILL_HORIZONTAL); |
| data.horizontalSpan = 2; |
| data.widthHint = 100; |
| description.setLayoutData(data); |
| description.setText(text); |
| description.setBackground(getListBackgroundColor()); |
| return description; |
| } |
| |
| protected abstract int getChangesCount(); |
| |
| protected abstract long getChangesInMode(int candidateMode); |
| |
| protected abstract long getVisibleChangesCount(); |
| |
| protected abstract int getCandidateMode(); |
| } |