SearchFilterPanel.java example

Explorer
midpoint-master
/*
 * Copyright (c) 2010-2014 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.input;

import com.evolveum.midpoint.gui.api.component.BasePanel;
import com.evolveum.midpoint.gui.api.model.LoadableModel;
import com.evolveum.midpoint.gui.api.model.NonEmptyModel;
import com.evolveum.midpoint.gui.api.util.WebComponentUtil;
import com.evolveum.midpoint.prism.PrismContext;
import com.evolveum.midpoint.prism.xnode.MapXNode;
import com.evolveum.midpoint.prism.xnode.RootXNode;
import com.evolveum.midpoint.util.exception.SchemaException;
import com.evolveum.midpoint.util.logging.LoggingUtils;
import com.evolveum.midpoint.util.logging.Trace;
import com.evolveum.midpoint.util.logging.TraceManager;
import com.evolveum.midpoint.web.component.AceEditor;
import com.evolveum.midpoint.web.util.ExpressionUtil;
import com.evolveum.midpoint.web.util.InfoTooltipBehavior;
import com.evolveum.midpoint.web.util.WebXmlUtil;
import com.evolveum.prism.xml.ns._public.query_3.SearchFilterType;
import org.apache.commons.lang.StringUtils;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.markup.html.form.AjaxSubmitLink;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.form.TextArea;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.PropertyModel;
import org.jetbrains.annotations.NotNull;

/**
 *  @author shood
 * */
public class SearchFilterPanel<T extends SearchFilterType> extends BasePanel<T> {

    private static final Trace LOGGER = TraceManager.getTrace(SearchFilterPanel.class);

    private static final String ID_DESCRIPTION = "description";
    private static final String ID_FILTER_CLAUSE = "filterClause";
    private static final String ID_BUTTON_UPDATE = "update";
    private static final String ID_T_CLAUSE = "filterClauseTooltip";

    @NotNull private final IModel<String> clauseStringModel;

    public SearchFilterPanel(String id, @NotNull final NonEmptyModel<T> filterModel, @NotNull NonEmptyModel<Boolean> readOnlyModel) {
        super(id, filterModel);
		clauseStringModel = new LoadableModel<String>(false) {
			@Override
			protected String load() {
				return loadFilterClause(getPageBase().getPrismContext());
			}
		};
		initLayout(readOnlyModel);
    }

	private String loadFilterClause(PrismContext prismContext) {
		try {
			T filter = getModelObject();
			if (filter.containsFilterClause()) {
				RootXNode clause = filter.getFilterClauseAsRootXNode();
				String xml = prismContext.xmlSerializer().serialize(clause);
				return WebXmlUtil.stripNamespaceDeclarations(xml);
			} else {
				return null;
			}
		} catch (SchemaException e) {
			LoggingUtils.logUnexpectedException(LOGGER, "Could not load filterClause from SearchFilterType object.", e);
			// TODO - find better solution to inform user about fail in filterClause loading
			return e.getMessage();
		}
	}


	protected void initLayout(NonEmptyModel<Boolean> readOnlyModel) {

		TextArea<String> description = new TextArea<>(ID_DESCRIPTION,
				new PropertyModel<String>(getModel(), SearchFilterType.F_DESCRIPTION.getLocalPart()));
		description.add(WebComponentUtil.enabledIfFalse(readOnlyModel));
		add(description);

		AceEditor clause = new AceEditor(ID_FILTER_CLAUSE, clauseStringModel);
		clause.add(WebComponentUtil.enabledIfFalse(readOnlyModel));
		add(clause);

        AjaxSubmitLink update = new AjaxSubmitLink(ID_BUTTON_UPDATE) {

            @Override
            protected void onSubmit(AjaxRequestTarget target, Form<?> form) {
                updateClausePerformed(target);
            }
        };
		update.add(WebComponentUtil.visibleIfFalse(readOnlyModel));
        add(update);

        Label clauseTooltip = new Label(ID_T_CLAUSE);
        clauseTooltip.add(new InfoTooltipBehavior());
        add(clauseTooltip);
    }

    private void updateClausePerformed(AjaxRequestTarget target) {
        try {
            updateFilterClause(getPageBase().getPrismContext());
            success(getString("SearchFilterPanel.message.expressionSuccess"));
        } catch (Exception e) {
            LoggingUtils.logUnexpectedException(LOGGER, "Could not create MapXNode from provided XML filterClause.", e);
            error(getString("SearchFilterPanel.message.cantSerialize", e.getMessage()));
        }

//        performFilterClauseHook(target);
        target.add(getPageBase().getFeedbackPanel());
    }

	private void updateFilterClause(PrismContext context) throws SchemaException {
		final String clauseString = clauseStringModel.getObject();
		if (StringUtils.isNotEmpty(clauseString)) {
			LOGGER.trace("Filter Clause to serialize: {}", clauseString);
			RootXNode filterClauseNode = ExpressionUtil.parseSearchFilter(clauseString, context);
			getModelObject().setFilterClauseXNode(filterClauseNode);
		} else {
			if (getModelObject() != null) {
				getModelObject().setFilterClauseXNode((MapXNode) null);
			}
		}
	}

}