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 *   Copyright (C) 2007 by Miguel Chavez Gamboa                            *
 *   miguel.chavez.gamboa@gmail.com                                        *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *

 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 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        *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *


class QStringList;
class QTableWidgetItem;
class LoginWindow;

#include <qwidget.h>
#include <QList>
#include <QtSql>

#include "enums.h"
#include "gaveta.h"
#include "loginwindow.h"
#include "ui_mainview.h"

 * This is the main view class for lemon.  Most of the non-menu,
 * non-toolbar, and non-statusbar (e.g., non frame) GUI code should go
 * here.
 * This lemon uses an HTML component as an example.
 * @short Main view
 * @author Miguel Chavez Gamboa <miguel.chavez.gamboa@gmail.com>
 * @version 2007.11
00049 class lemonView : public QWidget, public Ui::mainview
    lemonView(QWidget *parent);

    virtual ~lemonView();

    QString getLoggedUser();
    QString getLoggedUserName(QString id);
    unsigned int getLoggedUserId(QString uname);
    QString getCurrentTransactionString();
    int     getCurrentTransaction();
    QList<int> getTheSplitterSizes();

    void setTheSplitterSizes(QList<int> s);
    bool isTransactionInProgress() { return transactionInProgress;}
    void cancelByExit();
    bool canStartSelling() {return operationStarted;}
    bool validAdminUser();
    Ui::mainview ui_mainview;
    QString loggedUser;
    QString loggedUserName;
    unsigned int loggedUserId;
    int     currentTransaction;
    double  totalSum;
    Gaveta *drawer;
    bool   operationStarted;
    bool   transactionInProgress;
    QSqlDatabase db;
    LoginWindow *dlgLogin;
    LoginWindow *dlgPassword;
    QHash<qulonglong, ProductInfo> productsHash;
    QSqlTableModel *productsModel;
    QHash<QString, int> categoriesHash;
    ClientInfo clientInfo;
    QHash<QString, ClientInfo> clientsHash;
    qulonglong buyPoints;
    double discMoney;

    void loadIcons();
    void setUpInputs();
    void setupModel();

   * Use this signal to change the content of the statusbar
    void signalChangeStatusbar(const QString& text);

     * Use this signal to change the content of the caption
    void signalChangeCaption(const QString& text);
     * Use this signal to inform that the administrator has logged on.
    void signalAdminLoggedOn();
     * Use this signal to inform that the administrator has logged off.
    void signalAdminLoggedOff();
     * Use this signal to inform that no user has logged on.
    void signalNoLoggedUser();
     * Use this signal to inform that an user has logged on (!=admin).
    void signalLoggedUser();
     * Use this signal to update the clock on the statusbar
    void signalUpdateClock();

    void signalQueryDb(QString code);
     * Signal used to update transaction number
    void signalUpdateTransactionInfo();
     * Signal used to inform the start of operation.
    void signalStartedOperation();

  private slots:
    void setUpTable();
     * Slot used to show the "enter code" widget
    void showEnterCodeWidget();
     * Slot used to show the "search item" widget
    void showSearchItemWidget();
     * Slot used to search an item description into database, to get the code.
    void doSearchItemDesc();
      * Slot to search for a product code in the table, if found then qty is incremented.
    bool incrementTableItemQty(QString code, double q);
      * Slot used to get a product info from the database and insert it to the table
    void insertItem(QString code);
     * Slot used to insert an item into the buy list, do the real insert
    void doInsertItem(QString itemCode, QString itemDesc, double itemQty, double itemPrice, double itemDiscount, QString itemUnits);
     * Slot used to delete the current item.
    void deleteSelectedItem();
     * Slot used to increment qty on doubleclick on an item
    void itemDoubleClicked(QTableWidgetItem* item);
     * Slot used to add clicked item to shopping list...
    void itemSearchDoubleClicked(QTableWidgetItem *item);
     * Slot used to refresh (recalculate) the total due.
    void refreshTotalLabel();
     * Slot used to display product information on the left panel.
    void displayItemInfo(QTableWidgetItem* item);
     * Slot used to create a new transaction. It gets last transaction number from database, and creates a new one.
    void createNewTransaction(TransactionType type); //NOTE: With parameter transactionType ??
     * Slot used to finish current TRansaction. It saves transaction on database.
    void finishCurrentTransaction();
     * Slot used to cancel the current transaction on the database.
    void cancelCurrentTransaction();
    void preCancelCurrentTransaction();
    void deleteCurrentTransaction();
     * Slot used to cancel a transaction from database
    void cancelTransaction(int transactionNumber);
    void askForIdToCancel();
     * Slot used to start store operation, gaveta qty is set to 0.
    void startOperation();
    void slotDoStartOperation();
     * Slot used to clear the tableWidget, totals, amount and card number.
    void clearUsedWidgets();
     * Slot used to print the ticket, show a frame message and wait a few seconds...
    void printTicket(TicketInfo ticket);
     * Slot used to print balance for the user.
    void printBalance(QStringList lines);
    void showBalance(QStringList lines);
     * This slot is used to make a balance for the user (initial + in - out = drawer amount).
    void corteDeCaja();

    void startAgain();
     * Slot used to get the row where an item with code is at the main table.
     * Returns -1 if not found, else returns table row where is located.
    int getItemRow(QString c);

    void buttonDone();
    void checksChanged();
    void focusPayInput();

    void doEmitSignalQueryDb();

    void settingsChanged();
    void login();
    void setupDB();
    void setupClients();
    void timerTimeout();
    void clearLabelSearchMsg();
    void clearLabelInsertCodeMsg();
    void clearLabelPayMsg();
    void goSelectCardAuthNumber();

    void listViewOnMouseMove(const QModelIndex & index);
    void listViewOnClick( const QModelIndex & index );
    void comboClientsOnChange();
    void updateClientInfo();
    void updateModelView();
    void showProductsGrid(bool show);
    void hideProductsGrid();
    void populateCategoriesHash();
    void setFilter();
    void quitaAcentos(QString &text);


#endif // LEMONVIEW_H

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