Java tutorial
/* * Copyright 2014 JBoss 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 io.apiman.manager.ui.client.local.pages.consumer; import io.apiman.manager.api.beans.policies.PolicyChainBean; import io.apiman.manager.api.beans.summary.ServicePlanSummaryBean; import io.apiman.manager.ui.client.local.AppMessages; import io.apiman.manager.ui.client.local.events.CreateContractEvent; import io.apiman.manager.ui.client.local.events.ShowPolicyChainEvent; import io.apiman.manager.ui.client.local.events.CreateContractEvent.Handler; import io.apiman.manager.ui.client.local.events.CreateContractEvent.HasCreateContractHandlers; import io.apiman.manager.ui.client.local.events.ShowPolicyChainEvent.HasShowPolicyChainHandlers; import io.apiman.manager.ui.client.local.pages.common.NoEntitiesWidget; import io.apiman.manager.ui.client.local.services.NavigationHelperService; import java.util.HashMap; import java.util.HashSet; import java.util.List; import java.util.Map; import java.util.Set; import javax.enterprise.context.Dependent; import javax.enterprise.inject.Instance; import javax.inject.Inject; import org.jboss.errai.ui.client.local.spi.TranslationService; import org.overlord.commons.gwt.client.local.widgets.FontAwesomeIcon; import org.overlord.commons.gwt.client.local.widgets.SpanPanel; import com.google.gwt.dom.client.Style.Unit; import com.google.gwt.event.dom.client.ClickEvent; import com.google.gwt.event.dom.client.ClickHandler; import com.google.gwt.event.shared.HandlerRegistration; import com.google.gwt.user.client.TakesValue; import com.google.gwt.user.client.ui.Anchor; import com.google.gwt.user.client.ui.Button; import com.google.gwt.user.client.ui.FlowPanel; import com.google.gwt.user.client.ui.HTMLPanel; import com.google.gwt.user.client.ui.InlineLabel; import com.google.gwt.user.client.ui.Label; import com.google.gwt.user.client.ui.Widget; /** * List of plans for a service. * * @author eric.wittmann@redhat.com */ @Dependent public class ConsumerServicePlanList extends FlowPanel implements TakesValue<List<ServicePlanSummaryBean>>, HasCreateContractHandlers, HasShowPolicyChainHandlers { @Inject protected NavigationHelperService navHelper; @Inject protected TranslationService i18n; @Inject protected Instance<PolicyChain> policyChainFactory; private List<ServicePlanSummaryBean> plans; private Map<String, FlowPanel> chainIndex = new HashMap<String, FlowPanel>(); private Set<String> loadedPlans = new HashSet<String>(); /** * Constructor. */ public ConsumerServicePlanList() { getElement().setClassName("apiman-plans"); //$NON-NLS-1$ } /** * @see com.google.gwt.user.client.ui.HasValue#getValue() */ @Override public List<ServicePlanSummaryBean> getValue() { return plans; } /** * @see com.google.gwt.user.client.ui.HasValue#setValue(java.lang.Object) */ @Override public void setValue(List<ServicePlanSummaryBean> value) { plans = value; clear(); refresh(); } /** * Refresh the display with the current value. */ public void refresh() { if (plans != null && !plans.isEmpty()) { chainIndex.clear(); loadedPlans.clear(); for (ServicePlanSummaryBean bean : plans) { Widget row = createPlanRow(bean); add(row); } } else { add(createNoEntitiesWidget()); } } /** * Creates a single service row. * @param bean */ private Widget createPlanRow(ServicePlanSummaryBean bean) { FlowPanel container = new FlowPanel(); container.getElement().setClassName("container-fluid"); //$NON-NLS-1$ container.getElement().addClassName("apiman-summaryrow"); //$NON-NLS-1$ FlowPanel chainWrap = new FlowPanel(); chainWrap.getElement().setId("chain_" + bean.getPlanId()); //$NON-NLS-1$ chainWrap.getElement().setClassName("panel-collapse"); //$NON-NLS-1$ chainWrap.getElement().addClassName("collapse"); //$NON-NLS-1$ chainWrap.getElement().addClassName("apiman-policy-chain"); //$NON-NLS-1$ chainWrap.getElement().getStyle().setMarginTop(15, Unit.PX); chainIndex.put(bean.getPlanId(), chainWrap); FontAwesomeIcon spinner = new FontAwesomeIcon("refresh", true); //$NON-NLS-1$ spinner.getElement().addClassName("fa-spin"); //$NON-NLS-1$ chainWrap.add(spinner); chainWrap.add(new InlineLabel(i18n.format(AppMessages.LOADING_POLICIES))); FlowPanel row = new FlowPanel(); container.add(row); row.getElement().setClassName("row"); //$NON-NLS-1$ createTitleAndDescription(bean, row); createActions(bean, row); container.add(chainWrap); container.add(new HTMLPanel("<hr/>")); //$NON-NLS-1$ return container; } /** * Creates the title row. * @param bean * @param row */ protected void createTitleAndDescription(final ServicePlanSummaryBean bean, FlowPanel row) { FlowPanel div = new FlowPanel(); row.add(div); div.getElement().setClassName("col-md-10"); //$NON-NLS-1$ div.getElement().addClassName("col-no-padding"); //$NON-NLS-1$ FontAwesomeIcon icon = new FontAwesomeIcon("bar-chart-o", true); //$NON-NLS-1$ div.add(icon); icon.getElement().addClassName("icon"); //$NON-NLS-1$ SpanPanel sp = new SpanPanel(); div.add(sp); sp.getElement().setClassName("title"); //$NON-NLS-1$ Anchor a = new Anchor(); a.getElement().setAttribute("data-toggle", "collapse"); //$NON-NLS-1$ //$NON-NLS-2$ a.addClickHandler(new ClickHandler() { @Override public void onClick(ClickEvent event) { if (!loadedPlans.contains(bean.getPlanId())) { ShowPolicyChainEvent.fire(ConsumerServicePlanList.this, bean.getPlanId()); } } }); a.setHref("#chain_" + bean.getPlanId()); //$NON-NLS-1$ a.setText(bean.getPlanName()); sp.add(a); Label description = new Label(bean.getPlanDescription()); div.add(description); description.getElement().setClassName("description"); //$NON-NLS-1$ } /** * Creates the description row for a single service in the list. * @param bean * @param row */ protected void createActions(final ServicePlanSummaryBean bean, FlowPanel row) { FlowPanel div = new FlowPanel(); row.add(div); div.getElement().setClassName("col-md-2"); //$NON-NLS-1$ div.getElement().addClassName("col-no-padding"); //$NON-NLS-1$ SpanPanel sp = new SpanPanel(); div.add(sp); sp.getElement().setClassName("actions"); //$NON-NLS-1$ Button createContract = new Button(i18n.format(AppMessages.CREATE_CONTRACT)); sp.add(createContract); createContract.getElement().setClassName("btn"); //$NON-NLS-1$ createContract.getElement().addClassName("btn-default"); //$NON-NLS-1$ createContract.addClickHandler(new ClickHandler() { @Override public void onClick(ClickEvent event) { CreateContractEvent.fire(ConsumerServicePlanList.this, bean); } }); } /** * Renders the policy chain for the given plan. * @param planId * @param chain */ public void renderPolicyChain(final String planId, final PolicyChainBean chain) { FlowPanel chainPanel = this.chainIndex.get(planId); chainPanel.clear(); PolicyChain policyChain = policyChainFactory.get(); policyChain.setValue(chain.getPolicies()); chainPanel.add(policyChain); loadedPlans.add(planId); } /** * @return a widget to display when no plans exist */ protected NoEntitiesWidget createNoEntitiesWidget() { return new NoEntitiesWidget(i18n.format(AppMessages.NO_PLANS_IN_CONSUMER_SERVICE_MESSAGE), false); } /** * @see io.apiman.manager.ui.client.local.events.CreateContractEvent.HasCreateContractHandlers#addCreateContractHandler(io.apiman.manager.ui.client.local.events.CreateContractEvent.Handler) */ @Override public HandlerRegistration addCreateContractHandler(Handler handler) { return addHandler(handler, CreateContractEvent.getType()); } /** * @see io.apiman.manager.ui.client.local.events.ShowPolicyChainEvent.HasShowPolicyChainHandlers#addShowPolicyChainHandler(io.apiman.manager.ui.client.local.events.ShowPolicyChainEvent.Handler) */ @Override public HandlerRegistration addShowPolicyChainHandler(ShowPolicyChainEvent.Handler handler) { return addHandler(handler, ShowPolicyChainEvent.getType()); } }