Java tutorial
/* * Copyright 2014-2016 CyberVision, Inc. * * 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.kaaproject.kaa.server.admin.client.mvp.view.sdk; import org.kaaproject.avro.ui.gwt.client.widget.grid.cell.ActionButtonCell; import org.kaaproject.avro.ui.gwt.client.widget.grid.cell.ActionButtonCell.ActionListener; import org.kaaproject.avro.ui.gwt.client.widget.grid.cell.ActionButtonCell.ActionValidator; import org.kaaproject.avro.ui.gwt.client.widget.grid.event.RowActionEvent; import org.kaaproject.kaa.common.dto.admin.SdkProfileDto; import org.kaaproject.kaa.server.admin.client.mvp.view.grid.AbstractKaaGrid; import org.kaaproject.kaa.server.admin.client.mvp.view.grid.KaaRowAction; import org.kaaproject.kaa.server.admin.client.util.Utils; import com.google.gwt.dom.client.Style.Unit; import com.google.gwt.safehtml.shared.SafeHtml; import com.google.gwt.safehtml.shared.SafeHtmlUtils; import com.google.gwt.user.cellview.client.Column; import com.google.gwt.user.cellview.client.DataGrid; import com.google.gwt.user.cellview.client.Header; import com.google.gwt.user.cellview.client.SafeHtmlHeader; /** * @author Bohdan Khablenko * * @since v0.8.0 */ public class SdkProfilesGrid extends AbstractKaaGrid<SdkProfileDto, String> { private Column<SdkProfileDto, SdkProfileDto> generateSdkColumn; public SdkProfilesGrid() { super(Unit.PX, true); } @Override protected float constructColumnsImpl(DataGrid<SdkProfileDto> table) { float prefWidth = 0; prefWidth += this.constructStringColumn(table, Utils.constants.name(), new StringValueProvider<SdkProfileDto>() { @Override public String getValue(SdkProfileDto item) { return Utils.abbreviateText(item.getName(), 50); } }, 60); prefWidth += this.constructStringColumn(table, Utils.constants.author(), new StringValueProvider<SdkProfileDto>() { @Override public String getValue(SdkProfileDto item) { return item.getCreatedUsername(); } }, 40); prefWidth += this.constructStringColumn(table, Utils.constants.dateCreated(), new StringValueProvider<SdkProfileDto>() { @Override public String getValue(SdkProfileDto item) { return Utils.millisecondsToDateString(item.getCreatedTime()); } }, 40); prefWidth += this.constructStringColumn(table, Utils.constants.configuration(), new StringValueProvider<SdkProfileDto>() { @Override public String getValue(SdkProfileDto item) { return "v" + item.getConfigurationSchemaVersion().toString(); } }, 30); prefWidth += this.constructStringColumn(table, Utils.constants.profile(), new StringValueProvider<SdkProfileDto>() { @Override public String getValue(SdkProfileDto item) { return "v" + item.getProfileSchemaVersion().toString(); } }, 30); prefWidth += this.constructStringColumn(table, Utils.constants.notification(), new StringValueProvider<SdkProfileDto>() { @Override public String getValue(SdkProfileDto item) { return "v" + item.getNotificationSchemaVersion().toString(); } }, 30); prefWidth += this.constructStringColumn(table, Utils.constants.log(), new StringValueProvider<SdkProfileDto>() { @Override public String getValue(SdkProfileDto item) { return "v" + item.getLogSchemaVersion().toString(); } }, 30); prefWidth += this.constructStringColumn(table, Utils.constants.sdkToken(), new StringValueProvider<SdkProfileDto>() { @Override public String getValue(SdkProfileDto item) { return Utils.abbreviateText(item.getToken(), 20); } }, 60); prefWidth += this.constructStringColumn(table, Utils.constants.ecfs(), new StringValueProvider<SdkProfileDto>() { @Override public String getValue(SdkProfileDto item) { return Integer.toString(item.getAefMapIds().size()); } }, 40); return prefWidth; } @Override protected float constructActions(DataGrid<SdkProfileDto> table, float prefWidth) { float result = 0; if (enableActions) { if (generateSdkColumn == null || table.getColumnIndex(generateSdkColumn) == -1) { Header<SafeHtml> generateSdkHeader; generateSdkHeader = new SafeHtmlHeader( SafeHtmlUtils.fromSafeConstant(Utils.constants.generateSdk())); generateSdkColumn = constructGenerateSdkColumn(""); table.addColumn(generateSdkColumn, generateSdkHeader); table.setColumnWidth(generateSdkColumn, 40, Unit.PX); result += 40; } if (deleteColumn == null || table.getColumnIndex(deleteColumn) == -1) { Header<SafeHtml> deleteHeader; if (embedded) { deleteHeader = new SafeHtmlHeader(SafeHtmlUtils.fromSafeConstant(Utils.constants.remove())); } else { deleteHeader = new SafeHtmlHeader(SafeHtmlUtils.fromSafeConstant(Utils.constants.delete())); } deleteColumn = constructDeleteColumn(""); table.addColumn(deleteColumn, deleteHeader); table.setColumnWidth(deleteColumn, 40, Unit.PX); result += 40; } } return result; } private Column<SdkProfileDto, SdkProfileDto> constructGenerateSdkColumn(String label) { ActionListener<SdkProfileDto> actionListener = new ActionListener<SdkProfileDto>() { @Override public void onItemAction(SdkProfileDto value) { SdkProfilesGrid.this.generateSdk(value); } }; ActionValidator<SdkProfileDto> actionValidator = new ActionValidator<SdkProfileDto>() { @Override public boolean canPerformAction(SdkProfileDto value) { return !embedded; } }; ActionButtonCell<SdkProfileDto> cell; cell = new ActionButtonCell<SdkProfileDto>(Utils.resources.download_grey(), label, embedded, actionListener, actionValidator); return new Column<SdkProfileDto, SdkProfileDto>(cell) { @Override public SdkProfileDto getValue(SdkProfileDto item) { return item; } }; } private void generateSdk(SdkProfileDto value) { RowActionEvent<String> rowGenerateSdkEvent = new RowActionEvent<>(value.getId(), KaaRowAction.GENERATE_SDK); this.fireEvent(rowGenerateSdkEvent); } }