# AddRecordLockView.java

    /*
    ** Module   : AddRecordLockView.java
    ** Abstract : AddRecordLockView represents a dialog to add a new record to be acquired by a lock.
    **
    ** Copyright (c) 2017-2024, Golden Code Development Corporation.
    **
    ** -#- -I- --Date-- ---------------------------------------Description---------------------------------------
    ** 001 SBI 20170601 Created initial version.
    ** 002 OM  20241128 Multi-tenant runtime support: selected the proper persistence context, eventually
    **                  based on [sharedDb] parameter.
    */

    /*
    ** 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.console.acquiredlocks;

    import java.util.ArrayList;
    import java.util.List;
    import java.util.logging.Level;

    import org.gwtbootstrap3.client.ui.Button;
    import org.gwtbootstrap3.client.ui.ListBox;
    import org.gwtbootstrap3.client.ui.Modal;
    import org.gwtbootstrap3.client.ui.TextBox;
    import org.gwtbootstrap3.client.ui.form.error.BasicEditorError;
    import org.gwtbootstrap3.client.ui.form.validator.Validator;

    import com.goldencode.p2j.admin.client.widget.dialog.ModalViewWithUiHandlers;
    import com.google.gwt.editor.client.Editor;
    import com.google.gwt.editor.client.EditorError;
    import com.google.gwt.event.dom.client.ChangeEvent;
    import com.google.gwt.event.dom.client.ChangeHandler;
    import com.google.gwt.event.dom.client.ClickEvent;
    import com.google.gwt.uibinder.client.UiBinder;
    import com.google.gwt.uibinder.client.UiField;
    import com.google.gwt.uibinder.client.UiHandler;
    import com.google.gwt.user.client.ui.Widget;
    import com.google.inject.Inject;

    /**
     * AddRecordLockView represents a dialog to add a new record to be acquired by a lock.
     */
    public class AddRecordLockView extends ModalViewWithUiHandlers<AcquiredLocksUIHandler>
    {
       /**
        * GWT UI creator
        */
       interface Binder
       extends UiBinder<Widget, AddRecordLockView>
       {}

       /** The underlined modal dialog */
       @UiField
       Modal modal;

       /** The record id text box */
       @UiField
       TextBox recordIdTextBox;

       /** The databases list box */
       @UiField
       ListBox databaseListBox;

       /** The tables list box */
       @UiField
       ListBox tableListBox;

       /** The Add button */
       @UiField
       Button addAction;

       /** The Cancel button */
       @UiField
       Button cancelAction;

       /**
        * Constructs this view, used by MPV gwtplatform of ArcBees Inc.
        *
        * @param    binder
        *           UI creator
        */
       @Inject
       public AddRecordLockView(AddRecordLockView.Binder binder)
       {
          initWidget(binder.createAndBindUi(this));

          databaseListBox.addChangeHandler(new ChangeHandler()
          {
             @Override
             public void onChange(ChangeEvent event)
             {
                String database = databaseListBox.getSelectedValue();
                if (database != null)
                {
                   getUiHandlers().refreshTables(database);
                }
             }
          });

          recordIdTextBox.addValidator(new Validator(){

             @Override
             public List<EditorError> validate(Editor editor, Object value)
             {
                List<EditorError> result = new ArrayList<EditorError>();
                try
                {
                   Long.parseLong(value.toString());
                }
                catch(NumberFormatException ex)
                {
                   result.add(new BasicEditorError(recordIdTextBox, value, "Must be the whole number."));
                }
                return result;
             }

             @Override
             public int getPriority()
             {
                return 0;
             }
          });

          addShowHandler(()-> {
             recordIdTextBox.clear();
          });
       }

       /**
        * The Add button click handler.
        *
        * @param    e
        *           Click event
        */
       @UiHandler("addAction")
       void onSaveAction(ClickEvent e)
       {
          logger.log(Level.INFO, "onAddAction");
          if (recordIdTextBox.validate(true))
          {
             Long recID = Long.parseLong(recordIdTextBox.getValue());
             getUiHandlers().addRecordToLocks(databaseListBox.getSelectedValue(),
                                              tableListBox.getSelectedValue(),
                                              recID);
          }
       }

       /**
        * The Cancel button click handler.
        *
        * @param    e
        *           Click event
        */
       @UiHandler("cancelAction")
       void onCancelAction(ClickEvent e)
       {
          logger.log(Level.INFO, "onCancelAction");
       }

       /**
        * Sets the databases model.
        *
        * @param    databases
        *           The array of databases
        */
       public void setDatabaseList(String[] databases)
       {
          if (databases == null)
          {
             return;
          }
          databaseListBox.clear();
          for (String databaseName : databases)
          {
             databaseListBox.addItem(databaseName, databaseName);
          }
          if (databases.length > 0)
          {
             databaseListBox.setItemSelected(0, true);
             // change event isn't fired here
             getUiHandlers().refreshTables(databases[0]);
          }
       }

       /**
        * Sets the tables model.
        *
        * @param    tables
        *           The array of tables
        */
       public void setTableList(String[] tables)
       {
          if (tables == null)
          {
             return;
          }
          tableListBox.clear();
          for (String tableName : tables)
          {
             tableListBox.addItem(tableName, tableName);
          }
          if (tables.length > 0)
          {
             tableListBox.setItemSelected(0, true);
          }
       }

       /**
        * Provides an access to the target modal dialog.
        *
        * @return   The underlined modal dialog
        */
       @Override
       protected Modal getModal()
       {
          return modal;
       }
    }