Java tutorial
/******************************************************************************* * Copyright (c) 2012-2015 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 de.fhrt.codenvy.bpmn.part.properties.widgets.process.definitions; import org.eclipse.che.ide.util.loging.Log; import com.google.gwt.cell.client.ButtonCell; import com.google.gwt.cell.client.EditTextCell; import com.google.gwt.cell.client.FieldUpdater; import com.google.gwt.event.dom.client.ClickEvent; import com.google.gwt.event.dom.client.ClickHandler; import com.google.gwt.user.cellview.client.Column; import com.google.gwt.user.client.ui.Button; import de.fhrt.codenvy.bpmn.editor.widget.diagram.jso.interfaces.root.MessageJso; import de.fhrt.codenvy.bpmn.part.properties.BpmnElementPropertiesView; import de.fhrt.codenvy.bpmn.part.properties.widgets.AbstractBpmnDataTableWidget; public class TableMessagesWidget extends AbstractBpmnDataTableWidget<MessageJso> { private Column<MessageJso, String> tcId; private Column<MessageJso, String> tcName; private Column<MessageJso, String> tcBtnRemove; private Button btnAdd; public TableMessagesWidget(BpmnElementPropertiesView.CurrentJsoAccess jsoAccess) { super(jsoAccess); tcName = new Column<MessageJso, String>(new EditTextCell()) { @Override public String getValue(MessageJso object) { if (null == object.getAttr_name()) { return ""; } return object.getAttr_name(); } }; tcName.setFieldUpdater(new FieldUpdater<MessageJso, String>() { public void update(int index, final MessageJso object, final String value) { Log.info(TableMessagesWidget.class, "tcDataObjectName-fieldUpdater: update"); object.setAttr_name(value); getTable().redraw(); getJsoAccess().onContentChange(); } }); tcId = new Column<MessageJso, String>(new EditTextCell()) { @Override public String getValue(MessageJso object) { if (null == object.getAttr_id()) { return ""; } return object.getAttr_id(); } }; tcId.setFieldUpdater(new FieldUpdater<MessageJso, String>() { public void update(int index, final MessageJso object, final String value) { Log.info(TableMessagesWidget.class, "tcDataObjectName-fieldUpdater: update"); object.setAttr_id(value); getTable().redraw(); getJsoAccess().onContentChange(); } }); tcBtnRemove = new Column<MessageJso, String>(new ButtonCell()) { @Override public String getValue(MessageJso object) { return "x"; } }; tcBtnRemove.setFieldUpdater(new FieldUpdater<MessageJso, String>() { @Override public void update(int index, MessageJso object, String value) { if (getJsoAccess().getCurrentBpmnIoModelerJso().removeRootElementMessage(object)) { getDataProvider().getList().remove(object); getDataProvider().refresh(); getTable().redraw(); getJsoAccess().onContentChange(); } else { } } }); getTable().addColumn(tcId, "Id"); getTable().addColumn(tcName, "Name"); getTable().addColumn(tcBtnRemove, ""); btnAdd = new Button("Add"); btnAdd.addClickHandler(new ClickHandler() { @Override public void onClick(ClickEvent event) { MessageJso newDataObject = getJsoAccess().getCurrentBpmnIoModelerJso() .addRootElementMessage(getJsoAccess().getCurrentBpmnIoModelerJso().nativeGetModdle()); getDataProvider().getList().add(newDataObject); getDataProvider().refresh(); getTable().redraw(); getJsoAccess().onContentChange(); } }); getButtonPanel().add(btnAdd); } @Override public void update() { getDataProvider().getList().clear(); getDataProvider().getList().addAll(getJsoAccess().getCurrentBpmnIoModelerJso().getRootElementsMessages()); } }