ObjectBrowserPanel.java example

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midpoint-master
/*
 * 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.gui.api.component;

import java.util.ArrayList;
import java.util.List;

import javax.xml.namespace.QName;

import com.evolveum.midpoint.prism.query.ObjectFilter;
import com.evolveum.midpoint.prism.query.ObjectQuery;

import org.apache.wicket.Component;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.form.OnChangeAjaxBehavior;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.markup.html.form.DropDownChoice;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.StringResourceModel;
import org.apache.wicket.model.util.ListModel;

import com.evolveum.midpoint.gui.api.model.LoadableModel;
import com.evolveum.midpoint.gui.api.page.PageBase;
import com.evolveum.midpoint.prism.PrismObjectDefinition;
import com.evolveum.midpoint.web.component.AjaxButton;
import com.evolveum.midpoint.web.component.dialog.Popupable;
import com.evolveum.midpoint.web.component.input.QNameChoiceRenderer;
import com.evolveum.midpoint.web.component.util.VisibleEnableBehaviour;
import com.evolveum.midpoint.xml.ns._public.common.common_3.ObjectType;
import com.evolveum.midpoint.xml.ns._public.common.common_3.UserType;

public class ObjectBrowserPanel<O extends ObjectType> extends BasePanel<O> implements Popupable{

	private static final long serialVersionUID = 1L;
	private static final String ID_TYPE = "type";
	private static final String ID_TYPE_PANEL = "typePanel";
	private static final String ID_TABLE = "table";

	private static final String ID_BUTTON_ADD = "addButton";

	private IModel<QName> typeModel;

	private PageBase parentPage;
	private ObjectFilter queryFilter;
	private List<O> selectedObjectsList = new ArrayList<O>();

	/**
	 * @param defaultType specifies type of the object that will be selected by default
	 */
	public ObjectBrowserPanel(String id, final Class<? extends O> defaultType, List<QName> supportedTypes, boolean multiselect,
			PageBase parentPage) {
		this(id, defaultType, supportedTypes, multiselect, parentPage, null);
	}

	/**
	 * @param defaultType specifies type of the object that will be selected by default
	 */
	public ObjectBrowserPanel(String id, final Class<? extends O> defaultType, List<QName> supportedTypes, boolean multiselect,
			PageBase parentPage, ObjectFilter queryFilter) {
		this(id, defaultType, supportedTypes, multiselect, parentPage, null, new ArrayList<O>());
	}

	public ObjectBrowserPanel(String id, final Class<? extends O> defaultType, List<QName> supportedTypes, boolean multiselect,
			PageBase parentPage, ObjectFilter queryFilter, List<O> selectedData) {
		super(id);
		this.parentPage = parentPage;
        this.queryFilter = queryFilter;
		this.selectedObjectsList = selectedData;
		typeModel = new LoadableModel<QName>(false) {
			private static final long serialVersionUID = 1L;

			@Override
			protected QName load() {
				return compileTimeClassToQName(defaultType);
			}

		};

		initLayout(defaultType, supportedTypes, multiselect);
	}

	private void initLayout(Class<? extends O> type, final List<QName> supportedTypes, final boolean multiselect) {

		WebMarkupContainer typePanel = new WebMarkupContainer(ID_TYPE_PANEL);
		typePanel.setOutputMarkupId(true);
		typePanel.add(new VisibleEnableBehaviour() {
			private static final long serialVersionUID = 1L;
			@Override
			public boolean isVisible() {
				return supportedTypes.size() != 1;
			}
		});
		add(typePanel);
		DropDownChoice<QName> typeSelect = new DropDownChoice<QName>(ID_TYPE, typeModel,
				new ListModel<QName>(supportedTypes), new QNameChoiceRenderer());
		typeSelect.add(new OnChangeAjaxBehavior() {
			private static final long serialVersionUID = 1L;

			@Override
			protected void onUpdate(AjaxRequestTarget target) {

				ObjectListPanel<O> listPanel = (ObjectListPanel<O>) get(ID_TABLE);

				listPanel = createObjectListPanel(qnameToCompileTimeClass(typeModel.getObject()),
						multiselect);
				addOrReplace(listPanel);
				target.add(listPanel);
			}
		});
		typePanel.add(typeSelect);

		ObjectListPanel<O> listPanel = createObjectListPanel(type, multiselect);
		add(listPanel);

		AjaxButton addButton = new AjaxButton(ID_BUTTON_ADD,
				createStringResource("userBrowserDialog.button.addButton")) {

			private static final long serialVersionUID = 1L;
			@Override
			public void onClick(AjaxRequestTarget target) {
				List<O> selected = ((PopupObjectListPanel) getParent().get(ID_TABLE)).getSelectedObjects();
				QName type = ObjectBrowserPanel.this.typeModel.getObject();
				ObjectBrowserPanel.this.addPerformed(target, type, selected);
			}
		};

		addButton.add(new VisibleEnableBehaviour() {
			private static final long serialVersionUID = 1L;

			@Override
			public boolean isVisible() {
				return multiselect;
			}
		});

		add(addButton);
	}

	protected void onClick(AjaxRequestTarget target, O focus) {
		parentPage.hideMainPopup(target);
	}

	protected void onSelectPerformed(AjaxRequestTarget target, O focus) {
		parentPage.hideMainPopup(target);
	}

	private ObjectListPanel<O> createObjectListPanel(Class<? extends O> type, final boolean multiselect) {

		PopupObjectListPanel<O> listPanel = new PopupObjectListPanel<O>(ID_TABLE, type, multiselect,
				parentPage, selectedObjectsList) {
			private static final long serialVersionUID = 1L;
			@Override
			protected void onSelectPerformed(AjaxRequestTarget target, O object) {
				ObjectBrowserPanel.this.onSelectPerformed(target, object);
			}

            @Override
            protected ObjectQuery addFilterToContentQuery(ObjectQuery query) {
                if (queryFilter != null){
                    if (query == null){
                        query = new ObjectQuery();
                    }
                    query.addFilter(queryFilter);
                }
                return query;
            }
        };
		listPanel.setOutputMarkupId(true);
		return listPanel;
	}

	protected void addPerformed(AjaxRequestTarget target, QName type, List<O> selected) {
		parentPage.hideMainPopup(target);
	}

	private Class qnameToCompileTimeClass(QName typeName) {
		return parentPage.getPrismContext().getSchemaRegistry().getCompileTimeClassForObjectType(typeName);
	}

	private QName compileTimeClassToQName(Class<? extends O> type) {
		PrismObjectDefinition def = parentPage.getPrismContext().getSchemaRegistry()
				.findObjectDefinitionByCompileTimeClass(type);
		if (def == null) {
			return UserType.COMPLEX_TYPE;
		}

		return def.getTypeName();
	}

	@Override
	public int getWidth() {
		return 900;
	}

	@Override
	public int getHeight() {
		return 700;
	}

	@Override
	public StringResourceModel getTitle() {
		return parentPage.createStringResource("ObjectBrowserPanel.chooseObject");
	}

	@Override
	public Component getComponent() {
		return this;
	}

}