org.sakaiproject.profile2.tool.pages.windows.RemoveFriend.java Source code

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Here is the source code for org.sakaiproject.profile2.tool.pages.windows.RemoveFriend.java

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/**
 * Copyright (c) 2008-2012 The Sakai Foundation
 *
 * Licensed under the Educational Community 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.osedu.org/licenses/ECL-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 org.sakaiproject.profile2.tool.pages.windows;

import org.apache.wicket.AttributeModifier;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.markup.html.form.AjaxFallbackButton;
import org.apache.wicket.extensions.ajax.markup.html.modal.ModalWindow;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.panel.Panel;
import org.apache.wicket.model.Model;
import org.apache.wicket.model.ResourceModel;
import org.apache.wicket.model.StringResourceModel;
import org.apache.wicket.spring.injection.annot.SpringBean;
import org.sakaiproject.profile2.logic.ProfileConnectionsLogic;
import org.sakaiproject.profile2.logic.ProfilePreferencesLogic;
import org.sakaiproject.profile2.logic.ProfilePrivacyLogic;
import org.sakaiproject.profile2.logic.SakaiProxy;
import org.sakaiproject.profile2.model.ProfilePreferences;
import org.sakaiproject.profile2.model.ProfilePrivacy;
import org.sakaiproject.profile2.tool.components.ProfileImage;
import org.sakaiproject.profile2.tool.models.FriendAction;
import org.sakaiproject.profile2.util.ProfileConstants;
import org.sakaiproject.util.FormattedText;

public class RemoveFriend extends Panel {

    private static final long serialVersionUID = 1L;

    @SpringBean(name = "org.sakaiproject.profile2.logic.SakaiProxy")
    private SakaiProxy sakaiProxy;

    @SpringBean(name = "org.sakaiproject.profile2.logic.ProfilePreferencesLogic")
    private ProfilePreferencesLogic preferencesLogic;

    @SpringBean(name = "org.sakaiproject.profile2.logic.ProfilePrivacyLogic")
    private ProfilePrivacyLogic privacyLogic;

    @SpringBean(name = "org.sakaiproject.profile2.logic.ProfileConnectionsLogic")
    private ProfileConnectionsLogic connectionsLogic;

    /*
     * userX is the current user
     * userY is the user to remove
     */

    public RemoveFriend(String id, final ModalWindow window, final FriendAction friendActionModel,
            final String userX, final String userY) {
        super(id);

        //get friendName
        final String friendName = FormattedText.processFormattedText(sakaiProxy.getUserDisplayName(userY),
                new StringBuffer());

        //window setup
        window.setTitle(new ResourceModel("title.friend.remove"));
        window.setInitialHeight(150);
        window.setInitialWidth(500);
        window.setResizable(false);

        //prefs and privacy
        ProfilePreferences prefs = preferencesLogic.getPreferencesRecordForUser(userY);
        ProfilePrivacy privacy = privacyLogic.getPrivacyRecordForUser(userY);

        //image
        ProfileImage image = new ProfileImage("image", new Model<String>(userY));
        image.setSize(ProfileConstants.PROFILE_IMAGE_THUMBNAIL);
        add(image);

        //text
        final Label text = new Label("text",
                new StringResourceModel("text.friend.remove", null, new Object[] { friendName }));
        text.setEscapeModelStrings(false);
        text.setOutputMarkupId(true);
        add(text);

        //setup form      
        Form form = new Form("form");
        form.setOutputMarkupId(true);

        //submit button
        AjaxFallbackButton submitButton = new AjaxFallbackButton("submit",
                new ResourceModel("button.friend.remove"), form) {
            private static final long serialVersionUID = 1L;

            protected void onSubmit(AjaxRequestTarget target, Form form) {

                /* double checking */

                //must be friend in order to remove them
                boolean friend = connectionsLogic.isUserXFriendOfUserY(userX, userY);

                if (!friend) {
                    text.setDefaultModel(
                            new StringResourceModel("error.friend.not.friend", null, new Object[] { friendName }));
                    this.setEnabled(false);
                    this.add(new AttributeModifier("class", true, new Model("disabled")));
                    target.add(text);
                    target.add(this);
                    return;
                }

                //if ok, remove friend
                if (connectionsLogic.removeFriend(userX, userY)) {
                    friendActionModel.setRemoved(true);

                    //post event
                    sakaiProxy.postEvent(ProfileConstants.EVENT_FRIEND_REMOVE, "/profile/" + userY, true);

                    window.close(target);
                } else {
                    text.setDefaultModel(new StringResourceModel("error.friend.remove.failed", null,
                            new Object[] { friendName }));
                    this.setEnabled(false);
                    this.add(new AttributeModifier("class", true, new Model("disabled")));
                    target.add(text);
                    target.add(this);
                    return;
                }

            }
        };
        //submitButton.add(new FocusOnLoadBehaviour());
        submitButton.add(new AttributeModifier("title", true,
                new StringResourceModel("accessibility.connection.remove", null, new Object[] { friendName })));
        form.add(submitButton);

        //cancel button
        AjaxFallbackButton cancelButton = new AjaxFallbackButton("cancel", new ResourceModel("button.cancel"),
                form) {
            private static final long serialVersionUID = 1L;

            protected void onSubmit(AjaxRequestTarget target, Form form) {
                friendActionModel.setRemoved(false);
                window.close(target);
            }
        };
        cancelButton.setDefaultFormProcessing(false);
        form.add(cancelButton);

        //add form
        add(form);

    }

}