Java tutorial
/******************************************************************************* * Copyright (c) 2012-2016 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.reset.files; import org.eclipse.che.ide.ext.git.client.GitLocalizationConstant; import org.eclipse.che.api.git.shared.IndexFile; import org.eclipse.che.ide.ext.git.client.GitResources; import org.eclipse.che.ide.ui.window.Window; import com.google.gwt.cell.client.CheckboxCell; import com.google.gwt.cell.client.FieldUpdater; import com.google.gwt.cell.client.TextCell; import com.google.gwt.core.client.GWT; import com.google.gwt.dom.client.Style; import com.google.gwt.event.dom.client.ClickEvent; import com.google.gwt.event.dom.client.ClickHandler; import com.google.gwt.safehtml.shared.SafeHtml; import com.google.gwt.uibinder.client.UiBinder; import com.google.gwt.uibinder.client.UiField; 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.Widget; import com.google.inject.Inject; import com.google.inject.Singleton; import javax.validation.constraints.NotNull; import java.util.ArrayList; import java.util.List; import static com.google.gwt.user.client.ui.HasHorizontalAlignment.ALIGN_LEFT; /** * The implementation of {@link ResetFilesPresenter}. * * @author Andrey Plotnikov */ @Singleton public class ResetFilesViewImpl extends Window implements ResetFilesView { interface ResetFilesViewImplUiBinder extends UiBinder<Widget, ResetFilesViewImpl> { } private static ResetFilesViewImplUiBinder ourUiBinder = GWT.create(ResetFilesViewImplUiBinder.class); Button btnReset; Button btnCancel; @UiField(provided = true) CellTable<IndexFile> indexFiles; @UiField(provided = true) final GitLocalizationConstant locale; final GitResources resources; private ActionDelegate delegate; /** * Create view. * * @param locale */ @Inject protected ResetFilesViewImpl(GitLocalizationConstant locale, GitResources resources) { this.locale = locale; this.resources = resources; this.ensureDebugId("git-resetFiles-window"); initColumns(); Widget widget = ourUiBinder.createAndBindUi(this); this.setTitle(locale.resetFilesViewTitle()); this.setWidget(widget); btnCancel = createButton(locale.buttonCancel(), "git-resetFiles-btnCancel", new ClickHandler() { @Override public void onClick(ClickEvent event) { delegate.onCancelClicked(); } }); addButtonToFooter(btnCancel); btnReset = createButton(locale.buttonReset(), "git-resetFiles-btnReset", new ClickHandler() { @Override public void onClick(ClickEvent event) { delegate.onResetClicked(); } }); addButtonToFooter(btnReset); } /** Initialize the columns of the grid. */ private void initColumns() { indexFiles = new CellTable<IndexFile>(); // Create files column: Column<IndexFile, String> filesColumn = new Column<IndexFile, String>(new TextCell()) { @Override public String getValue(IndexFile file) { return file.getPath(); } }; // Create column with checkboxes: Column<IndexFile, Boolean> checkColumn = new Column<IndexFile, Boolean>(new CheckboxCell(false, true)) { @Override public Boolean getValue(IndexFile file) { return !file.isIndexed(); } }; // Create bean value updater: FieldUpdater<IndexFile, Boolean> checkFieldUpdater = new FieldUpdater<IndexFile, Boolean>() { @Override public void update(int index, IndexFile file, Boolean value) { file.setIndexed(!value); } }; checkColumn.setFieldUpdater(checkFieldUpdater); filesColumn.setHorizontalAlignment(ALIGN_LEFT); indexFiles.addColumn(checkColumn, new SafeHtml() { @Override public String asString() { return " "; } }); indexFiles.setColumnWidth(checkColumn, 1, Style.Unit.PCT); indexFiles.addColumn(filesColumn, FILES); indexFiles.setColumnWidth(filesColumn, 35, Style.Unit.PCT); indexFiles.addStyleName(resources.gitCSS().cells()); } @Override protected void onEnterClicked() { if (isWidgetFocused(btnCancel)) { delegate.onCancelClicked(); return; } if (isWidgetFocused(btnReset)) { delegate.onResetClicked(); } } /** {@inheritDoc} */ @Override public void setIndexedFiles(@NotNull List<IndexFile> indexedFiles) { // Wraps Array in java.util.List List<IndexFile> appList = new ArrayList<>(); for (IndexFile indexedFile : indexedFiles) { appList.add(indexedFile); } indexFiles.setRowData(appList); } /** {@inheritDoc} */ @Override public void close() { this.hide(); } /** {@inheritDoc} */ @Override public void showDialog() { this.show(btnReset); } /** {@inheritDoc} */ @Override public void setDelegate(ActionDelegate delegate) { this.delegate = delegate; } /** {@inheritDoc} */ @Override protected void onClose() { } }