/*******************************************************************************
* Copyright (c) 2012-2017 Codenvy, S.A.
* 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:
* Codenvy, S.A. - initial API and implementation
*******************************************************************************/
package org.eclipse.che.ide.ext.git.client.history;
import com.google.gwt.cell.client.TextCell;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.dom.client.DoubleClickEvent;
import com.google.gwt.event.dom.client.DoubleClickHandler;
import com.google.gwt.event.dom.client.ScrollEvent;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiHandler;
import com.google.gwt.user.cellview.client.CellTable;
import com.google.gwt.user.cellview.client.Column;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.ScrollPanel;
import com.google.gwt.user.client.ui.TextArea;
import com.google.gwt.user.client.ui.Widget;
import com.google.gwt.view.client.SelectionChangeEvent;
import com.google.gwt.view.client.SingleSelectionModel;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import org.eclipse.che.api.git.shared.Revision;
import org.eclipse.che.ide.ext.git.client.DateTimeFormatter;
import org.eclipse.che.ide.ext.git.client.GitLocalizationConstant;
import org.eclipse.che.ide.ext.git.client.GitResources;
import org.eclipse.che.ide.ui.window.Window;
import java.util.List;
/**
* The implementation of {@link HistoryView}.
*
* @author Igor Vinokur
*/
@Singleton
public class HistoryViewImpl extends Window implements HistoryView {
interface HistoryListViewImplUiBinder extends UiBinder<Widget, HistoryViewImpl> {
}
private static HistoryListViewImplUiBinder uiBinder = GWT.create(HistoryListViewImplUiBinder.class);
Button btnClose;
Button btnCompare;
@UiField
ScrollPanel revisionsPanel;
@UiField
TextArea description;
@UiField(provided = true)
final GitLocalizationConstant locale;
@UiField(provided = true)
final GitResources res;
private ActionDelegate delegate;
private CellTable<Revision> revisions;
private SingleSelectionModel<Revision> selectionModel;
private final DateTimeFormatter dateTimeFormatter;
@Inject
protected HistoryViewImpl(GitResources resources,
GitLocalizationConstant locale,
DateTimeFormatter dateTimeFormatter,
org.eclipse.che.ide.Resources coreRes) {
this.res = resources;
this.locale = locale;
this.dateTimeFormatter = dateTimeFormatter;
this.ensureDebugId("git-history-window");
Widget widget = uiBinder.createAndBindUi(this);
this.setTitle(locale.historyTitle());
this.setWidget(widget);
revisionsPanel.getElement().setTabIndex(-1);
description.setReadOnly(true);
createRevisionsTable(coreRes);
createButtons();
}
@Override
public void setDelegate(ActionDelegate delegate) {
this.delegate = delegate;
}
@Override
public void setRevisions(List<Revision> revisions) {
this.revisions.setRowData(revisions);
if (selectionModel.getSelectedObject() == null) {
delegate.onRevisionUnselected();
}
// if the size of the panel is greater then the size of the loaded list of the history then no scroller has been appeared yet
onPanelScrolled(null);
}
@Override
public void setEnableCompareButton(boolean enabled) {
btnCompare.setEnabled(enabled);
}
@Override
public void setDescription(String description) {
this.description.setText(description);
}
@Override
public void close() {
onClose();
}
@Override
protected void onClose() {
selectionModel.clear();
super.onClose();
}
@Override
public void showDialog() {
this.show();
}
private void createRevisionsTable(org.eclipse.che.ide.Resources coreRes) {
Column<Revision, String> idColumn = new Column<Revision, String>(new TextCell()) {
@Override
public String getValue(Revision revision) {
return revision.getId().substring(0, 8) + "...";
}
};
Column<Revision, String> timeColumn = new Column<Revision, String>(new TextCell()) {
@Override
public String getValue(Revision revision) {
return dateTimeFormatter.getFormattedDate(revision.getCommitTime());
}
};
Column<Revision, String> authorColumn = new Column<Revision, String>(new TextCell()) {
@Override
public String getValue(Revision revision) {
return revision.getCommitter().getName();
}
};
Column<Revision, String> titleColumn = new Column<Revision, String>(new TextCell()) {
@Override
public String getValue(Revision revision) {
return revision.getMessage().substring(0, 50);
}
};
revisions = new CellTable<>(15, coreRes);
revisions.setWidth("100%");
revisions.addColumn(idColumn, locale.viewCompareRevisionTableIdTitle());
revisions.addColumn(timeColumn, locale.viewCompareRevisionTableTimeTitle());
revisions.addColumn(authorColumn, locale.viewCompareRevisionTableAuthorTitle());
revisions.addColumn(titleColumn, locale.viewCompareRevisionTableTitleTitle());
selectionModel = new SingleSelectionModel<Revision>();
selectionModel.addSelectionChangeHandler(new SelectionChangeEvent.Handler() {
@Override
public void onSelectionChange(SelectionChangeEvent event) {
description.setText(selectionModel.getSelectedObject().getMessage());
delegate.onRevisionSelected(selectionModel.getSelectedObject());
}
});
revisions.setSelectionModel(selectionModel);
revisions.addDomHandler(new DoubleClickHandler() {
@Override
public void onDoubleClick(DoubleClickEvent event) {
delegate.onRevisionDoubleClicked();
}
}, DoubleClickEvent.getType());
this.revisionsPanel.add(revisions);
}
private void createButtons() {
btnClose = createButton(locale.buttonClose(), "git-history-close", new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
delegate.onCloseClicked();
}
});
addButtonToFooter(btnClose);
btnCompare = createButton(locale.buttonCompare(), "git-history-compare", new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
delegate.onCompareClicked();
}
});
addButtonToFooter(btnCompare);
}
@UiHandler("revisionsPanel")
public void onPanelScrolled(ScrollEvent ignored) {
if (revisionsPanel.getVerticalScrollPosition() == revisionsPanel.getMaximumVerticalScrollPosition()) {
// to avoid autoscrolling to selected item
revisionsPanel.getElement().focus();
delegate.onScrolledToButton();
}
}
}