Java tutorial
/* * $Id$ * $URL$ * * ==================================================================== * Ikasan Enterprise Integration Platform * * Distributed under the Modified BSD License. * Copyright notice: The copyright for this software and a full listing * of individual contributors are as shown in the packaged copyright.txt * file. * * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * - Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * - Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * - Neither the name of the ORGANIZATION nor the names of its contributors may * be used to endorse or promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ==================================================================== */ package org.ikasan.dashboard.ui.topology.component; import java.util.Collection; import java.util.List; import org.apache.log4j.Logger; import org.ikasan.dashboard.ui.framework.constants.SecurityConstants; import org.ikasan.dashboard.ui.framework.util.DashboardSessionValueConstants; import org.ikasan.dashboard.ui.mappingconfiguration.component.IkasanSmallCellStyleGenerator; import org.ikasan.dashboard.ui.topology.window.NewBusinessStreamWindow; import org.ikasan.security.service.authentication.IkasanAuthentication; import org.ikasan.topology.model.BusinessStream; import org.ikasan.topology.model.BusinessStreamFlow; import org.ikasan.topology.model.BusinessStreamFlowKey; import org.ikasan.topology.model.Flow; import org.ikasan.topology.model.Module; import org.ikasan.topology.service.TopologyService; import org.vaadin.teemu.VaadinIcons; import com.vaadin.data.Property.ValueChangeEvent; import com.vaadin.data.Property.ValueChangeListener; import com.vaadin.event.DataBoundTransferable; import com.vaadin.event.dd.DragAndDropEvent; import com.vaadin.event.dd.DropHandler; import com.vaadin.event.dd.acceptcriteria.AcceptAll; import com.vaadin.event.dd.acceptcriteria.AcceptCriterion; import com.vaadin.server.Resource; import com.vaadin.server.Sizeable.Unit; import com.vaadin.server.VaadinService; import com.vaadin.ui.Alignment; import com.vaadin.ui.Button; import com.vaadin.ui.Button.ClickEvent; import com.vaadin.ui.ComboBox; import com.vaadin.ui.GridLayout; import com.vaadin.ui.Label; import com.vaadin.ui.Layout; import com.vaadin.ui.Notification; import com.vaadin.ui.Table; import com.vaadin.ui.Table.TableDragMode; import com.vaadin.ui.TextArea; import com.vaadin.ui.UI; import com.vaadin.ui.Window; import com.vaadin.ui.Window.CloseEvent; import com.vaadin.ui.themes.ValoTheme; /** * * @author Ikasan Development Team * */ public class BusinessStreamTab extends TopologyTab { private Logger logger = Logger.getLogger(BusinessStreamTab.class); private Table businessStreamTable; private TopologyService topologyService; private ComboBox businessStreamCombo; public BusinessStreamTab(TopologyService topologyService, ComboBox businessStreamCombo) { this.topologyService = topologyService; this.businessStreamCombo = businessStreamCombo; } public Layout createBusinessStreamLayout() { this.businessStreamTable = new Table(); this.businessStreamTable.addContainerProperty("Server Name", String.class, null); this.businessStreamTable.addContainerProperty("Module Name", String.class, null); this.businessStreamTable.addContainerProperty("Flow Name", String.class, null); this.businessStreamTable.addContainerProperty("", Button.class, null); this.businessStreamTable.setWidth("100%"); this.businessStreamTable.setHeight(600, Unit.PIXELS); this.businessStreamTable.setCellStyleGenerator(new IkasanSmallCellStyleGenerator()); this.businessStreamTable.setDragMode(TableDragMode.ROW); this.businessStreamTable.setDropHandler(new DropHandler() { @Override public void drop(final DragAndDropEvent dropEvent) { final IkasanAuthentication authentication = (IkasanAuthentication) VaadinService.getCurrentRequest() .getWrappedSession().getAttribute(DashboardSessionValueConstants.USER); if (authentication != null && (!authentication.hasGrantedAuthority(SecurityConstants.ALL_AUTHORITY) && !authentication .hasGrantedAuthority(SecurityConstants.MODIFY_BUSINESS_STREAM_AUTHORITY))) { Notification.show("You do not have the privilege to modify a business stream."); return; } final DataBoundTransferable t = (DataBoundTransferable) dropEvent.getTransferable(); if (t.getItemId() instanceof Flow) { final Flow flow = (Flow) t.getItemId(); final BusinessStream businessStream = (BusinessStream) businessStreamCombo.getValue(); BusinessStreamFlowKey key = new BusinessStreamFlowKey(); key.setBusinessStreamId(businessStream.getId()); key.setFlowId(flow.getId()); final BusinessStreamFlow businessStreamFlow = new BusinessStreamFlow(key); businessStreamFlow.setFlow(flow); businessStreamFlow.setOrder(businessStreamTable.getItemIds().size()); if (!businessStream.getFlows().contains(businessStreamFlow)) { businessStream.getFlows().add(businessStreamFlow); topologyService.saveBusinessStream(businessStream); Button deleteButton = new Button(); Resource deleteIcon = VaadinIcons.TRASH; deleteButton.setIcon(deleteIcon); deleteButton.addStyleName(ValoTheme.BUTTON_ICON_ONLY); deleteButton.addStyleName(ValoTheme.BUTTON_BORDERLESS); deleteButton.setDescription("Delete the flow from the business stream."); deleteButton.setData(businessStreamFlow); // Add the delete functionality to each role that is added deleteButton.addClickListener(new Button.ClickListener() { public void buttonClick(ClickEvent event) { businessStream.getFlows().remove(businessStreamFlow); topologyService.deleteBusinessStreamFlow(businessStreamFlow); topologyService.saveBusinessStream(businessStream); businessStreamTable.removeItem(businessStreamFlow.getFlow()); } }); businessStreamTable .addItem( new Object[] { flow.getModule().getServer().getName(), flow.getModule().getName(), flow.getName(), deleteButton }, businessStreamFlow); } } else if (t.getItemId() instanceof Module) { final Module sourceContainer = (Module) t.getItemId(); for (Flow flow : sourceContainer.getFlows()) { final BusinessStream businessStream = (BusinessStream) businessStreamCombo.getValue(); BusinessStreamFlowKey key = new BusinessStreamFlowKey(); key.setBusinessStreamId(businessStream.getId()); key.setFlowId(flow.getId()); final BusinessStreamFlow businessStreamFlow = new BusinessStreamFlow(key); businessStreamFlow.setFlow(flow); businessStreamFlow.setOrder(businessStreamTable.getItemIds().size()); if (!businessStream.getFlows().contains(businessStreamFlow)) { businessStream.getFlows().add(businessStreamFlow); topologyService.saveBusinessStream(businessStream); Button deleteButton = new Button(); Resource deleteIcon = VaadinIcons.TRASH; deleteButton.setIcon(deleteIcon); deleteButton.addStyleName(ValoTheme.BUTTON_ICON_ONLY); deleteButton.addStyleName(ValoTheme.BUTTON_BORDERLESS); deleteButton.setDescription("Delete the flow from the business stream."); deleteButton.setData(businessStreamFlow); // Add the delete functionality to each role that is added deleteButton.addClickListener(new Button.ClickListener() { public void buttonClick(ClickEvent event) { businessStream.getFlows().remove(businessStreamFlow); topologyService.deleteBusinessStreamFlow(businessStreamFlow); topologyService.saveBusinessStream(businessStream); businessStreamTable.removeItem(businessStreamFlow.getFlow()); } }); businessStreamTable.addItem( new Object[] { flow.getModule().getServer().getName(), flow.getModule().getName(), flow.getName(), deleteButton }, businessStreamFlow); } } } else { Notification.show("Only modules or flows can be dragged to this table."); } } @Override public AcceptCriterion getAcceptCriterion() { return AcceptAll.get(); } }); GridLayout layout = new GridLayout(1, 6); layout.setMargin(true); layout.setSpacing(true); layout.setSizeFull(); Label tableDropHintLabel = new Label(); tableDropHintLabel.setCaptionAsHtml(true); tableDropHintLabel.setCaption(VaadinIcons.QUESTION_CIRCLE_O.getHtml() + " Drag modules or flows from the topology tree to the table below to build a business stream."); tableDropHintLabel.addStyleName(ValoTheme.LABEL_TINY); tableDropHintLabel.addStyleName(ValoTheme.LABEL_LIGHT); layout.addComponent(tableDropHintLabel); GridLayout controlsLayout = new GridLayout(3, 3); controlsLayout.setColumnExpandRatio(0, .05f); controlsLayout.setColumnExpandRatio(1, .65f); controlsLayout.setColumnExpandRatio(2, .3f); controlsLayout.setWidth("100%"); controlsLayout.setSpacing(true); Label newBusinessStreamLabel = new Label("New Business Stream:"); newBusinessStreamLabel.setSizeUndefined(); controlsLayout.addComponent(newBusinessStreamLabel, 0, 0); controlsLayout.setComponentAlignment(newBusinessStreamLabel, Alignment.MIDDLE_RIGHT); Button newButton = new Button(); newButton.setIcon(VaadinIcons.PLUS); newButton.addStyleName(ValoTheme.BUTTON_ICON_ONLY); newButton.addStyleName(ValoTheme.BUTTON_BORDERLESS); newButton.setDescription("Create a new business stream."); newButton.addClickListener(new Button.ClickListener() { public void buttonClick(ClickEvent event) { final NewBusinessStreamWindow newBusinessStreamWindow = new NewBusinessStreamWindow(); UI.getCurrent().addWindow(newBusinessStreamWindow); newBusinessStreamWindow.addCloseListener(new Window.CloseListener() { // inline close-listener public void windowClose(CloseEvent e) { topologyService.saveBusinessStream(newBusinessStreamWindow.getBusinessStream()); businessStreamCombo.addItem(newBusinessStreamWindow.getBusinessStream()); businessStreamCombo.setItemCaption(newBusinessStreamWindow.getBusinessStream(), newBusinessStreamWindow.getBusinessStream().getName()); businessStreamCombo.select(newBusinessStreamWindow.getBusinessStream()); businessStreamTable.removeAllItems(); } }); } }); final IkasanAuthentication authentication = (IkasanAuthentication) VaadinService.getCurrentRequest() .getWrappedSession().getAttribute(DashboardSessionValueConstants.USER); if (authentication != null && (!authentication.hasGrantedAuthority(SecurityConstants.ALL_AUTHORITY) && !authentication.hasGrantedAuthority(SecurityConstants.CREATE_BUSINESS_STREAM_AUTHORITY))) { newButton.setVisible(false); } controlsLayout.addComponent(newButton, 1, 0); Label businessStreamLabel = new Label("Business Stream:"); businessStreamLabel.setSizeUndefined(); final TextArea descriptionTextArea = new TextArea(); descriptionTextArea.setReadOnly(true); this.businessStreamCombo.addValueChangeListener(new ValueChangeListener() { public void valueChange(ValueChangeEvent event) { if (event.getProperty() != null && event.getProperty().getValue() != null) { final BusinessStream businessStream = (BusinessStream) event.getProperty().getValue(); descriptionTextArea.setReadOnly(false); descriptionTextArea.setValue(businessStream.getDescription()); descriptionTextArea.setReadOnly(true); businessStreamTable.removeAllItems(); for (final BusinessStreamFlow businessStreamFlow : businessStream.getFlows()) { logger.info("Adding flow: " + businessStreamFlow); Button deleteButton = new Button(); deleteButton.setIcon(VaadinIcons.TRASH); deleteButton.addStyleName(ValoTheme.BUTTON_ICON_ONLY); deleteButton.addStyleName(ValoTheme.BUTTON_BORDERLESS); deleteButton.setDescription("Delete the flow from the business stream."); // Add the delete functionality to each role that is added deleteButton.addClickListener(new Button.ClickListener() { public void buttonClick(ClickEvent event) { businessStream.getFlows().remove(businessStreamFlow); topologyService.deleteBusinessStreamFlow(businessStreamFlow); topologyService.saveBusinessStream(businessStream); businessStreamTable.removeItem(businessStreamFlow.getFlow()); } }); final IkasanAuthentication authentication = (IkasanAuthentication) VaadinService .getCurrentRequest().getWrappedSession() .getAttribute(DashboardSessionValueConstants.USER); if (authentication != null && (!authentication.hasGrantedAuthority(SecurityConstants.ALL_AUTHORITY) && !authentication.hasGrantedAuthority( SecurityConstants.MODIFY_BUSINESS_STREAM_AUTHORITY))) { deleteButton.setVisible(false); } businessStreamTable.addItem( new Object[] { businessStreamFlow.getFlow().getModule().getServer().getName(), businessStreamFlow.getFlow().getName(), businessStreamFlow.getFlow().getName(), deleteButton }, businessStreamFlow); } } } }); businessStreamCombo.setWidth("100%"); controlsLayout.addComponent(businessStreamLabel, 0, 1); controlsLayout.setComponentAlignment(businessStreamLabel, Alignment.MIDDLE_RIGHT); controlsLayout.addComponent(businessStreamCombo, 1, 1); Button deleteButton = new Button(); deleteButton.setIcon(VaadinIcons.TRASH); deleteButton.addStyleName(ValoTheme.BUTTON_ICON_ONLY); deleteButton.addStyleName(ValoTheme.BUTTON_BORDERLESS); deleteButton.setDescription("Delete the selected business stream."); deleteButton.addClickListener(new Button.ClickListener() { public void buttonClick(ClickEvent event) { Collection<BusinessStreamFlow> businessStreamFlows = (Collection<BusinessStreamFlow>) businessStreamTable .getItemIds(); for (BusinessStreamFlow businessStreamFlow : businessStreamFlows) { topologyService.deleteBusinessStreamFlow(businessStreamFlow); } BusinessStream businessStream = (BusinessStream) businessStreamCombo.getValue(); topologyService.deleteBusinessStream(businessStream); businessStreamTable.removeAllItems(); List<BusinessStream> businessStreams = topologyService.getAllBusinessStreams(); businessStreamCombo.removeItem(businessStream); descriptionTextArea.setValue(""); } }); if (authentication != null && (!authentication.hasGrantedAuthority(SecurityConstants.ALL_AUTHORITY) && !authentication.hasGrantedAuthority(SecurityConstants.DELETE_BUSINESS_STREAM_AUTHORITY))) { deleteButton.setVisible(false); } controlsLayout.addComponent(deleteButton, 2, 1); Label descriptionLabel = new Label("Description:"); descriptionLabel.setSizeUndefined(); descriptionTextArea.setRows(4); descriptionTextArea.setWidth("100%"); controlsLayout.addComponent(descriptionLabel, 0, 2); controlsLayout.setComponentAlignment(descriptionLabel, Alignment.TOP_RIGHT); controlsLayout.addComponent(descriptionTextArea, 1, 2); layout.addComponent(controlsLayout); layout.addComponent(this.businessStreamTable); return layout; } }