# FindOsUserAccount.java

    /*
    ** Module   : FindOsUserAccount.java
    ** Abstract : FindOsUserAccount assembles the Find User OS Account dialog.
    **
    ** Copyright (c) 2023, Golden Code Development Corporation.
    **
    ** -#- -I- --Date-- ----------------Description----------------------
    ** 001 GBB 20230807 Created initial version.
    */
    /*
    ** This program is free software: you can redistribute it and/or modify
    ** it under the terms of the GNU Affero General Public License as
    ** published by the Free Software Foundation, either version 3 of the
    ** License, or (at your option) any later version.
    **
    ** This program 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 Affero General Public License for more details.
    **
    ** You may find a copy of the GNU Affero GPL version 3 at the following
    ** location: https://www.gnu.org/licenses/agpl-3.0.en.html
    **
    ** Additional terms under GNU Affero GPL version 3 section 7:
    **
    **   Under Section 7 of the GNU Affero GPL version 3, the following additional
    **   terms apply to the works covered under the License.  These additional terms
    **   are non-permissive additional terms allowed under Section 7 of the GNU
    **   Affero GPL version 3 and may not be removed by you.
    **
    **   0. Attribution Requirement.
    **
    **     You must preserve all legal notices or author attributions in the covered
    **     work or Appropriate Legal Notices displayed by works containing the covered
    **     work.  You may not remove from the covered work any author or developer
    **     credit already included within the covered work.
    **
    **   1. No License To Use Trademarks.
    **
    **     This license does not grant any license or rights to use the trademarks
    **     Golden Code, FWD, any Golden Code or FWD logo, or any other trademarks
    **     of Golden Code Development Corporation. You are not authorized to use the
    **     name Golden Code, FWD, or the names of any author or contributor, for
    **     publicity purposes without written authorization.
    **
    **   2. No Misrepresentation of Affiliation.
    **
    **     You may not represent yourself as Golden Code Development Corporation or FWD.
    **
    **     You may not represent yourself for publicity purposes as associated with
    **     Golden Code Development Corporation, FWD, or any author or contributor to
    **     the covered work, without written authorization.
    **
    **   3. No Misrepresentation of Source or Origin.
    **
    **     You may not represent the covered work as solely your work.  All modified
    **     versions of the covered work must be marked in a reasonable way to make it
    **     clear that the modified work is not originating from Golden Code Development
    **     Corporation or FWD.  All modified versions must contain the notices of
    **     attribution required in this license.
    */
    package com.goldencode.p2j.admin.client.application.home.accounts.osusers;

    import com.goldencode.p2j.admin.client.*;
    import com.goldencode.p2j.admin.client.widget.dialog.*;
    import com.goldencode.p2j.admin.client.widget.dialog.InputDialog.*;
    import com.google.gwt.event.dom.client.*;
    import com.google.gwt.user.client.ui.*;
    import com.google.inject.*;
    import org.gwtbootstrap3.client.ui.TextBox;

    import java.util.*;
    import java.util.function.*;

    /** Assembles the Find OS User Account dialog. */
    public class FindOsUserAccount
    {
       /** The account extension */
       @Inject(optional = true)
       private final AccountExtension acctExtension;

       /**
        * Creates the Find OS User Account manager.
        *
        * @param    acctExtension
        *           The account extension holder
        */
       @Inject
       public FindOsUserAccount(AccountExtensionHolder acctExtension)
       {
          this.acctExtension = acctExtension.value;
       }

       /**
        * Builds the fields of the Find OS User Account dialog and shows dialog.
        *
        * @param    parent
        *           The parent container for the Find OS User Account dialog
        * @param    dialog
        *           The template dialog to create the Find OS User Account dialog
        * @param    findAccount
        *           The implementation of the Find OS User Account use case
        */
       public void show(HasWidgets parent, InputDialog dialog, IFindAccountScreen findAccount)
       {
          Consumer<Map<Field, Object>> actionHandler = acctExtension != null ?
             acctExtension.buildUserFindDialog(dialog, findAccount) :
             buildUserFindDialog(dialog, findAccount);

          dialog.show(parent, false, actionHandler);
       }

       /**
        * Builds the Find OS User Account dialog and returns the dialog action handler.
        *
        * @param    dialog
        *           The template dialog to create the Find OS User Account dialog
        * @param    findAccount
        *           The implementation of the Find OS User Account use case
        *
        * @return   The dialog's action handler
        */
       private Consumer<Map<Field, Object>> buildUserFindDialog(InputDialog dialog,
                                                                IFindAccountScreen findAccount)
       {
          Field acctName = new Field("Enter OS User Name", "").withFieldSize(4);
          dialog.setSaveButtonText("Find");
          dialog.build("Find OS User", acctName);
          TextBox inputField = (TextBox) dialog.getWidget(acctName);
          inputField.setFocus(true);

          Consumer<Map<Field, Object>> actionHandler = fieldValueMap -> {
             if (fieldValueMap != null)
             {
                String value = inputField.getValue();
                findAccount.findAccountByName(value);
             }
             else
             {
                // cancel dialog
                dialog.dismiss();
             }
          };

          inputField.addKeyPressHandler(event ->
                                        {
                                           if (event.getNativeEvent().getKeyCode() == KeyCodes.KEY_ENTER)
                                           {
                                              Object value = dialog.getWidget(acctName).getValue();
                                              actionHandler.accept(Collections.singletonMap(acctName, value));
                                           }
                                        });

          return actionHandler;
       }
    }