Package org.exoplatform.webui.organization.account

Source Code of org.exoplatform.webui.organization.account.UIUserSelector$AddActionListener

/**
* Copyright (C) 2009 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/

package org.exoplatform.webui.organization.account;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.CopyOnWriteArrayList;

import org.exoplatform.commons.serialization.api.annotations.Serialized;
import org.exoplatform.commons.utils.ListAccessImpl;
import org.exoplatform.commons.utils.ObjectPageList;
import org.exoplatform.commons.utils.PageList;
import org.exoplatform.commons.utils.SerializablePageList;
import org.exoplatform.services.organization.MembershipHandler;
import org.exoplatform.services.organization.OrganizationService;
import org.exoplatform.services.organization.Query;
import org.exoplatform.services.organization.User;
import org.exoplatform.web.application.ApplicationMessage;
import org.exoplatform.webui.config.annotation.ComponentConfig;
import org.exoplatform.webui.config.annotation.EventConfig;
import org.exoplatform.webui.core.UIApplication;
import org.exoplatform.webui.core.UIBreadcumbs;
import org.exoplatform.webui.core.UIComponent;
import org.exoplatform.webui.core.UIPageIterator;
import org.exoplatform.webui.core.UIPopupComponent;
import org.exoplatform.webui.core.UIPopupWindow;
import org.exoplatform.webui.core.UITree;
import org.exoplatform.webui.core.lifecycle.UIFormLifecycle;
import org.exoplatform.webui.core.model.SelectItemOption;
import org.exoplatform.webui.event.Event;
import org.exoplatform.webui.event.Event.Phase;
import org.exoplatform.webui.event.EventListener;
import org.exoplatform.webui.form.UIForm;
import org.exoplatform.webui.form.UIFormCheckBoxInput;
import org.exoplatform.webui.form.UIFormSelectBox;
import org.exoplatform.webui.form.UIFormStringInput;

/**
* Created by The eXo Platform SARL Author : Pham Tuan phamtuanchip@gmail.com Dec 11, 2007 Modified: dang.tung tungcnw@gmail.com
* Nov 22, 2008
*/
@ComponentConfig(lifecycle = UIFormLifecycle.class, template = "system:/groovy/webui/organization/account/UIUserSelector.gtmpl", events = {
        @EventConfig(listeners = UIUserSelector.AddActionListener.class, phase = Phase.DECODE),
        @EventConfig(listeners = UIUserSelector.AddUserActionListener.class, phase = Phase.DECODE),
        @EventConfig(listeners = UIUserSelector.SearchActionListener.class, phase = Phase.DECODE),
        @EventConfig(listeners = UIUserSelector.SearchGroupActionListener.class, phase = Phase.DECODE),
        @EventConfig(listeners = UIUserSelector.SelectGroupActionListener.class, phase = Phase.DECODE),
        @EventConfig(listeners = UIUserSelector.FindGroupActionListener.class, phase = Phase.DECODE),
        @EventConfig(listeners = UIUserSelector.ShowPageActionListener.class, phase = Phase.DECODE),
        @EventConfig(listeners = UIUserSelector.CloseActionListener.class, phase = Phase.DECODE) })
@Serialized
public class UIUserSelector extends UIForm implements UIPopupComponent {
    public static final String FIELD_KEYWORD = "Quick Search";

    public static final String FIELD_FILTER = "filter";

    public static final String FIELD_GROUP = "group";

    public static String USER_NAME = "userName";

    public static String LAST_NAME = "lastName";

    public static String FIRST_NAME = "firstName";

    public static String EMAIL = "email";

    protected Map<String, User> userData_ = new HashMap<String, User>();

    private boolean isShowSearch_ = false;

    private boolean isShowSearchGroup = true;

    private boolean isShowSearchUser = true;

    protected String groupId_ = null;

    protected Collection<String> pars_;

    public UIPageIterator uiIterator_;

    private String selectedUsers;

    private boolean multi = true;

    public UIUserSelector() throws Exception {
        addUIFormInput(new UIFormStringInput(FIELD_KEYWORD, FIELD_KEYWORD, null));
        addUIFormInput(new UIFormSelectBox(FIELD_FILTER, FIELD_FILTER, getFilters()));
        addUIFormInput(new UIFormStringInput(FIELD_GROUP, FIELD_GROUP, null));
        isShowSearch_ = true;
        OrganizationService service = getApplicationComponent(OrganizationService.class);
        ObjectPageList objPageList = new ObjectPageList(service.getUserHandler().findUsers(new Query()).getAll(), 10);
        uiIterator_ = new UIPageIterator();
        uiIterator_.setPageList(objPageList);
        uiIterator_.setId("UISelectUserPage");

        // create group selector
        UIPopupWindow uiPopup = addChild(UIPopupWindow.class, null, "UIPopupGroupSelector");
        uiPopup.setWindowSize(540, 0);
        UIGroupSelector uiGroup = createUIComponent(UIGroupSelector.class, null, null);
        uiPopup.setUIComponent(uiGroup);
        uiGroup.setId("GroupSelector");
        uiGroup.getChild(UITree.class).setId("TreeGroupSelector");
        uiGroup.getChild(UIBreadcumbs.class).setId("BreadcumbsGroupSelector");
    }

    @SuppressWarnings("unchecked")
    public List<User> getData() throws Exception {
        if (getMulti()) {
            for (Object obj : uiIterator_.getCurrentPageData()) {
                User user = (User) obj;
                UIFormCheckBoxInput<Boolean> uiFormCheckBoxInput = getUIFormCheckBoxInput(user.getUserName());
                if (uiFormCheckBoxInput == null) {
                    uiFormCheckBoxInput = new UIFormCheckBoxInput<Boolean>(user.getUserName(), user.getUserName(), false);
                    addUIFormInput(uiFormCheckBoxInput);
                }

                uiFormCheckBoxInput.setChecked(uiIterator_.isSelectedItem(user.getUserName()));
            }
        }
        return new ArrayList<User>(uiIterator_.getCurrentPageData());
    }

    public String getSelectedUsers() {
        return selectedUsers;
    }

    public void setSelectedUsers(String selectedUsers) {
        this.selectedUsers = selectedUsers;
    }

    public void setMulti(boolean multi) {
        this.multi = multi;
    }

    public boolean getMulti() {
        return multi;
    }

    public UIPageIterator getUIPageIterator() {
        return uiIterator_;
    }

    public long getAvailablePage() {
        return uiIterator_.getAvailablePage();
    }

    public long getCurrentPage() {
        return uiIterator_.getCurrentPage();
    }

    // update data, review later
    // public void init(Collection<String> pars) throws Exception{
    // OrganizationService service = getApplicationComponent(OrganizationService.class) ;
    // ObjectPageList objPageList = new ObjectPageList(service.getUserHandler().getUserPageList(0).getAll(), 10) ;
    // uiIterator_.setPageList(objPageList) ;
    // pars_ = pars ;
    // }

    private List<SelectItemOption<String>> getFilters() {
        List<SelectItemOption<String>> options = new ArrayList<SelectItemOption<String>>();
        options.add(new SelectItemOption<String>(USER_NAME, USER_NAME));
        options.add(new SelectItemOption<String>(LAST_NAME, LAST_NAME));
        options.add(new SelectItemOption<String>(FIRST_NAME, FIRST_NAME));
        options.add(new SelectItemOption<String>(EMAIL, EMAIL));
        return options;
    }

    public String[] getActions() {
        return new String[] { "Add", "Close" };
    }

    public void activate() {
    }

    public void deActivate() {
    }

    public String getLabel(String id) {
        try {
            return super.getLabel(id);
        } catch (Exception e) {
            return id;
        }
    }

    public void setShowSearch(boolean isShowSearch) {
        this.isShowSearch_ = isShowSearch;
    }

    public boolean isShowSearch() {
        return isShowSearch_;
    }

    public void setShowSearchGroup(boolean isShowSearchGroup) {
        this.isShowSearchGroup = isShowSearchGroup;
    }

    public boolean isShowSearchGroup() {
        return isShowSearchGroup;
    }

    public void setShowSearchUser(boolean isShowSearchUser) {
        this.isShowSearchUser = isShowSearchUser;
    }

    public void search(String keyword, String filter, String groupId) throws Exception {
        OrganizationService service = getApplicationComponent(OrganizationService.class);
        Query q = new Query();
        if (keyword != null && (keyword = keyword.trim()).length() != 0) {
            if (keyword.indexOf("*") < 0) {
                if (keyword.charAt(0) != '*')
                    keyword = "*" + keyword;
                if (keyword.charAt(keyword.length() - 1) != '*')
                    keyword += "*";
            }
            keyword = keyword.replace('?', '_');
            if (USER_NAME.equals(filter)) {
                q.setUserName(keyword);
            }
            if (LAST_NAME.equals(filter)) {
                q.setLastName(keyword);
            }
            if (FIRST_NAME.equals(filter)) {
                q.setFirstName(keyword);
            }
            if (EMAIL.equals(filter)) {
                q.setEmail(keyword);
            }
        }
        List results = new CopyOnWriteArrayList();
        results.addAll(service.getUserHandler().findUsers(q).getAll());
        // remove if user doesn't exist in selected group
        MembershipHandler memberShipHandler = service.getMembershipHandler();

        if (groupId != null && (groupId = groupId.trim()).length() != 0) {
            for (Object user : results) {
                if (memberShipHandler.findMembershipsByUserAndGroup(((User) user).getUserName(), groupId).size() == 0) {
                    results.remove(user);
                }
            }
        }
        PageList objPageList = new SerializablePageList(new ListAccessImpl(User.class, results), 10);
        uiIterator_.setPageList(objPageList);
    }

    public boolean isShowSearchUser() {
        return isShowSearchUser;
    }

    public String getSelectedGroup() {
        return getUIStringInput(FIELD_GROUP).getValue();
    }

    public void setSelectedGroup(String selectedGroup) {
        getUIStringInput(FIELD_GROUP).setValue(selectedGroup);
    }

    public static class AddActionListener extends EventListener<UIUserSelector> {
        public void execute(Event<UIUserSelector> event) throws Exception {
            UIUserSelector uiForm = event.getSource();
            StringBuilder sb = new StringBuilder();

            uiForm.setSelectedItem();

            // get item from selected item map
            Set<String> items = uiForm.uiIterator_.getSelectedItems();
            if (items.size() == 0) {
                UIApplication uiApp = uiForm.getAncestorOfType(UIApplication.class);
                uiApp.addMessage(new ApplicationMessage("UIUserSelector.msg.user-required", null));
                return;
            }
            String[] arrItems = items.toArray(new String[items.size()]);
            Arrays.sort(arrItems);

            for (String key : arrItems) {
                if (sb.toString() != null && sb.toString().trim().length() != 0)
                    sb.append(",");
                sb.append(key);
            }

            uiForm.setSelectedUsers(sb.toString());
            uiForm.<UIComponent> getParent().broadcast(event, event.getExecutionPhase());
        }
    }

    // TODO maybe check duplicate user in method:
    // OrganizationService.getUserHandler().findUsersByGroup(groupId)
    public PageList removeDuplicate(PageList users) throws Exception {
        List after = new ArrayList();
        for (Object u : users.getAll()) {
            if (after.contains(u))
                continue;
            after.add(u);
        }
        return new ObjectPageList(after, 10);
    }

    public static class AddUserActionListener extends EventListener<UIUserSelector> {
        public void execute(Event<UIUserSelector> event) throws Exception {
            UIUserSelector uiForm = event.getSource();
            String userName = event.getRequestContext().getRequestParameter(OBJECTID);
            uiForm.setSelectedUsers(userName);
            uiForm.<UIComponent> getParent().broadcast(event, event.getExecutionPhase());
        }
    }

    protected void updateCurrentPage(int page) throws Exception {
        uiIterator_.setCurrentPage(page);
    }

    public void setKeyword(String value) {
        getUIStringInput(FIELD_KEYWORD).setValue(value);
    }

    private void setSelectedItem() throws Exception {
        for (Object o : this.uiIterator_.getCurrentPageData()) {
            User u = (User) o;
            UIFormCheckBoxInput input = this.getUIFormCheckBoxInput(u.getUserName());
            if (input != null) {
                this.uiIterator_.setSelectedItem(u.getUserName(), input.isChecked());
            }
        }
    }

    public static class SelectGroupActionListener extends EventListener<UIGroupSelector> {
        public void execute(Event<UIGroupSelector> event) throws Exception {
            UIGroupSelector uiSelectGroupForm = event.getSource();
            UIUserSelector uiSelectUserForm = uiSelectGroupForm.<UIComponent> getParent().getParent();
            String groupId = event.getRequestContext().getRequestParameter(OBJECTID);
            uiSelectUserForm.setSelectedGroup(groupId);
            OrganizationService service = uiSelectGroupForm.getApplicationComponent(OrganizationService.class);
            PageList users = uiSelectUserForm.removeDuplicate(service.getUserHandler().findUsersByGroup(groupId));
            users.setPageSize(10);
            uiSelectUserForm.uiIterator_.setPageList(users);
            uiSelectUserForm.setKeyword(null);
            event.getRequestContext().addUIComponentToUpdateByAjax(uiSelectUserForm);
        }
    }

    public static class FindGroupActionListener extends EventListener<UIUserSelector> {
        public void execute(Event<UIUserSelector> event) throws Exception {
            UIUserSelector uiSelectUserForm = event.getSource();
            String groupId = uiSelectUserForm.getSelectedGroup();
            OrganizationService service = uiSelectUserForm.getApplicationComponent(OrganizationService.class);

            PageList users = PageList.EMPTY_LIST;
            if (groupId != null && groupId.trim().length() != 0) {
                if (service.getGroupHandler().findGroupById(groupId) != null) {
                    users = uiSelectUserForm.removeDuplicate(service.getUserHandler().findUsersByGroup(groupId));
                }
            } else {
                users = service.getUserHandler().findUsers(new Query());
            }
            users.setPageSize(10);
            uiSelectUserForm.uiIterator_.setPageList(users);
            uiSelectUserForm.setKeyword(null);
            event.getRequestContext().addUIComponentToUpdateByAjax(uiSelectUserForm);
        }
    }

    @SuppressWarnings("unchecked")
    public static class SearchActionListener extends EventListener<UIUserSelector> {
        public void execute(Event<UIUserSelector> event) throws Exception {
            UIUserSelector uiForm = event.getSource();

            String keyword = uiForm.getUIStringInput(FIELD_KEYWORD).getValue();
            String filter = uiForm.getUIFormSelectBox(FIELD_FILTER).getValue();
            String groupId = uiForm.getSelectedGroup();
            uiForm.search(keyword, filter, groupId);
            if (filter == null || filter.trim().length() == 0)
                return;

            event.getRequestContext().addUIComponentToUpdateByAjax(uiForm);
        }
    }

    public static class CloseActionListener extends EventListener<UIUserSelector> {
        public void execute(Event<UIUserSelector> event) throws Exception {
            UIUserSelector uiForm = event.getSource();
            uiForm.<UIComponent> getParent().broadcast(event, event.getExecutionPhase());
        }
    }

    public static class SearchGroupActionListener extends EventListener<UIUserSelector> {
        public void execute(Event<UIUserSelector> event) throws Exception {
            UIUserSelector uiForm = event.getSource();
            uiForm.getChild(UIPopupWindow.class).setShow(true);
        }
    }

    public static class ShowPageActionListener extends EventListener<UIUserSelector> {
        public void execute(Event<UIUserSelector> event) throws Exception {
            UIUserSelector uiSelectUserForm = event.getSource();
            uiSelectUserForm.setSelectedItem();

            int page = Integer.parseInt(event.getRequestContext().getRequestParameter(OBJECTID));
            uiSelectUserForm.updateCurrentPage(page);
            event.getRequestContext().addUIComponentToUpdateByAjax(uiSelectUserForm);
        }
    }
}
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