Java tutorial
/* * Copyright (c) 2010-2016 Evolveum * * 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 com.evolveum.midpoint.web.component.prism.show; import com.evolveum.midpoint.model.api.ModelInteractionService; import com.evolveum.midpoint.model.api.context.ModelContext; import com.evolveum.midpoint.model.api.context.ModelProjectionContext; import com.evolveum.midpoint.model.api.visualizer.Scene; import com.evolveum.midpoint.prism.delta.ObjectDelta; import com.evolveum.midpoint.task.api.Task; import com.evolveum.midpoint.util.DebugUtil; import com.evolveum.midpoint.util.exception.SchemaException; import com.evolveum.midpoint.util.exception.SystemException; import com.evolveum.midpoint.util.logging.Trace; import com.evolveum.midpoint.util.logging.TraceManager; import com.evolveum.midpoint.web.application.PageDescriptor; import com.evolveum.midpoint.web.component.AjaxButton; import com.evolveum.midpoint.web.component.breadcrumbs.Breadcrumb; import com.evolveum.midpoint.web.component.breadcrumbs.BreadcrumbPageInstance; import com.evolveum.midpoint.web.page.admin.PageAdmin; import com.evolveum.midpoint.web.page.admin.PageAdminObjectDetails; import com.evolveum.midpoint.web.util.OnePageParameterEncoder; import com.evolveum.midpoint.xml.ns._public.common.common_3.ObjectType; import org.apache.wicket.ajax.AjaxRequestTarget; import org.apache.wicket.markup.html.WebPage; import org.apache.wicket.markup.html.form.Form; import org.apache.wicket.model.AbstractReadOnlyModel; import org.apache.wicket.model.IModel; import java.util.ArrayList; import java.util.List; import static org.apache.commons.collections.CollectionUtils.addIgnoreNull; /** * @author mederly */ @PageDescriptor(url = "/admin/previewChanges", encoder = OnePageParameterEncoder.class) public class PagePreviewChanges extends PageAdmin { private static final String ID_PRIMARY_DELTAS_SCENE = "primaryDeltas"; private static final String ID_SECONDARY_DELTAS_SCENE = "secondaryDeltas"; private static final String ID_CONTINUE_EDITING = "continueEditing"; private static final String ID_SAVE = "save"; private static final Trace LOGGER = TraceManager.getTrace(PagePreviewChanges.class); private IModel<SceneDto> primaryDeltasModel; private IModel<SceneDto> secondaryDeltasModel; public PagePreviewChanges(ModelContext<? extends ObjectType> modelContext, ModelInteractionService modelInteractionService) { final List<ObjectDelta<? extends ObjectType>> primaryDeltas = new ArrayList<>(); final List<ObjectDelta<? extends ObjectType>> secondaryDeltas = new ArrayList<>(); final List<? extends Scene> primaryScenes; final List<? extends Scene> secondaryScenes; try { if (modelContext != null) { if (modelContext.getFocusContext() != null) { addIgnoreNull(primaryDeltas, modelContext.getFocusContext().getPrimaryDelta()); addIgnoreNull(secondaryDeltas, modelContext.getFocusContext().getSecondaryDelta()); } for (ModelProjectionContext projCtx : modelContext.getProjectionContexts()) { addIgnoreNull(primaryDeltas, projCtx.getPrimaryDelta()); addIgnoreNull(secondaryDeltas, projCtx.getExecutableDelta()); } } if (LOGGER.isTraceEnabled()) { LOGGER.trace("Primary deltas:\n{}", DebugUtil.debugDump(primaryDeltas)); LOGGER.trace("Secondary deltas:\n{}", DebugUtil.debugDump(secondaryDeltas)); } Task task = createSimpleTask("visualize"); primaryScenes = modelInteractionService.visualizeDeltas(primaryDeltas, task, task.getResult()); secondaryScenes = modelInteractionService.visualizeDeltas(secondaryDeltas, task, task.getResult()); } catch (SchemaException e) { throw new SystemException(e); // TODO } if (LOGGER.isTraceEnabled()) { LOGGER.trace("Creating context DTO for primary deltas:\n{}", DebugUtil.debugDump(primaryScenes)); LOGGER.trace("Creating context DTO for secondary deltas:\n{}", DebugUtil.debugDump(secondaryScenes)); } final WrapperScene primaryScene = new WrapperScene(primaryScenes, primaryScenes.size() != 1 ? "PagePreviewChanges.primaryChangesMore" : "PagePreviewChanges.primaryChangesOne", primaryScenes.size()); final WrapperScene secondaryScene = new WrapperScene(secondaryScenes, secondaryScenes.size() != 1 ? "PagePreviewChanges.secondaryChangesMore" : "PagePreviewChanges.secondaryChangesOne", secondaryScenes.size()); final SceneDto primarySceneDto = new SceneDto(primaryScene); final SceneDto secondarySceneDto = new SceneDto(secondaryScene); primaryDeltasModel = new AbstractReadOnlyModel<SceneDto>() { @Override public SceneDto getObject() { return primarySceneDto; } }; secondaryDeltasModel = new AbstractReadOnlyModel<SceneDto>() { @Override public SceneDto getObject() { return secondarySceneDto; } }; initLayout(); } @Override protected void createBreadcrumb() { createInstanceBreadcrumb(); } private void initLayout() { Form mainForm = new Form("mainForm"); mainForm.setMultiPart(true); add(mainForm); mainForm.add(new ScenePanel(ID_PRIMARY_DELTAS_SCENE, primaryDeltasModel)); mainForm.add(new ScenePanel(ID_SECONDARY_DELTAS_SCENE, secondaryDeltasModel)); initButtons(mainForm); } private void initButtons(Form mainForm) { AjaxButton cancel = new AjaxButton(ID_CONTINUE_EDITING, createStringResource("PagePreviewChanges.button.continueEditing")) { @Override public void onClick(AjaxRequestTarget target) { cancelPerformed(target); } }; mainForm.add(cancel); AjaxButton save = new AjaxButton(ID_SAVE, createStringResource("PagePreviewChanges.button.save")) { @Override public void onClick(AjaxRequestTarget target) { savePerformed(target); } }; mainForm.add(save); } private void cancelPerformed(AjaxRequestTarget target) { redirectBack(); } private void savePerformed(AjaxRequestTarget target) { Breadcrumb bc = redirectBack(); if (bc instanceof BreadcrumbPageInstance) { BreadcrumbPageInstance bcpi = (BreadcrumbPageInstance) bc; WebPage page = bcpi.getPage(); if (page instanceof PageAdminObjectDetails) { ((PageAdminObjectDetails) page).setSaveOnConfigure(true); } else { error("Couldn't save changes - unexpected referring page: " + page); } } else { error("Couldn't save changes - no instance for referring page; breadcrumb is " + bc); } } }