<?xml version="1.0" encoding="UTF-8"?>

<ui version="4.0">

 <class>MainWindow</class>

 <widget class="QMainWindow" name="MainWindow">

  <property name="geometry">

   <rect>

    <x>0</x>

    <y>0</y>

    <width>653</width>

    <height>650</height>

   </rect>

  </property>

  <property name="windowTitle">

   <string>SerialPlot</string>

  </property>

  <widget class="QWidget" name="centralWidget">

   <layout class="QVBoxLayout" name="verticalLayout_2">

    <item>

     <widget class="QWidget" name="plotArea" native="true">

      <property name="sizePolicy">

       <sizepolicy hsizetype="Preferred" vsizetype="Expanding">

        <horstretch>0</horstretch>

        <verstretch>0</verstretch>

       </sizepolicy>

      </property>

     </widget>

    </item>

    <item>

     <widget class="HidableTabWidget" name="tabWidget">

      <property name="sizePolicy">

       <sizepolicy hsizetype="Expanding" vsizetype="Minimum">

        <horstretch>0</horstretch>

        <verstretch>0</verstretch>

       </sizepolicy>

      </property>

      <property name="minimumSize">

       <size>

        <width>0</width>

        <height>0</height>

       </size>

      </property>

      <property name="maximumSize">

       <size>

        <width>16777215</width>

        <height>16777215</height>

       </size>

      </property>

      <property name="currentIndex">

       <number>0</number>

      </property>

      <property name="movable">

       <bool>false</bool>

      </property>

      <widget class="QWidget" name="tabLog">

       <attribute name="title">

        <string>Log</string>

       </attribute>

       <attribute name="toolTip">

        <string>Error and Warning Messages</string>

       </attribute>

       <layout class="QHBoxLayout" name="horizontalLayout">

        <property name="leftMargin">

         <number>4</number>

        </property>

        <property name="topMargin">

         <number>4</number>

        </property>

        <property name="rightMargin">

         <number>4</number>

        </property>

        <property name="bottomMargin">

         <number>4</number>

        </property>

        <item>

         <widget class="QPlainTextEdit" name="ptLog">

          <property name="readOnly">

           <bool>true</bool>

          </property>

         </widget>

        </item>

       </layout>

      </widget>

     </widget>

    </item>

   </layout>

  </widget>

  <widget class="QMenuBar" name="menuBar">

   <property name="geometry">

    <rect>

     <x>0</x>

     <y>0</y>

     <width>653</width>

     <height>27</height>

    </rect>

   </property>

   <widget class="QMenu" name="menuHelp">

    <property name="title">

     <string>&amp;Help</string>

    </property>

    <addaction name="actionDemoMode"/>

    <addaction name="actionReportBug"/>

    <addaction name="actionHelpAbout"/>

   </widget>

   <widget class="QMenu" name="menuFile">

    <property name="title">

     <string>&amp;File</string>

    </property>

    <addaction name="actionSaveSettings"/>

    <addaction name="actionLoadSettings"/>

    <addaction name="actionExportCsv"/>

    <addaction name="separator"/>

    <addaction name="actionQuit"/>

   </widget>

   <widget class="QMenu" name="menuView">

    <property name="title">

     <string>&amp;View</string>

    </property>

   </widget>

   <addaction name="menuFile"/>

   <addaction name="menuView"/>

   <addaction name="menuHelp"/>

  </widget>

  <widget class="QToolBar" name="plotToolBar">

   <property name="windowTitle">

    <string>Plot Toolbar</string>

   </property>

   <attribute name="toolBarArea">

    <enum>TopToolBarArea</enum>

   </attribute>

   <attribute name="toolBarBreak">

    <bool>false</bool>

   </attribute>

   <addaction name="actionPause"/>

   <addaction name="actionClear"/>

  </widget>

  <widget class="QStatusBar" name="statusBar"/>

  <action name="actionPause">

   <property name="checkable">

    <bool>true</bool>

   </property>

   <property name="checked">

    <bool>false</bool>

   </property>

   <property name="text">

    <string>Pause</string>

   </property>

   <property name="toolTip">

    <string>Pause Plotting</string>

   </property>

   <property name="shortcut">

    <string>P</string>

   </property>

  </action>

  <action name="actionClear">

   <property name="text">

    <string>Clear</string>

   </property>

   <property name="shortcut">

    <string>Ctrl+K</string>

   </property>

  </action>

  <action name="actionHelpAbout">

   <property name="text">

    <string>&amp;About</string>

   </property>

  </action>

  <action name="actionDemoMode">

   <property name="checkable">

    <bool>true</bool>

   </property>

   <property name="text">

    <string>&amp;Demo Mode</string>

   </property>

   <property name="toolTip">

    <string>Toggle Demo Mode</string>

   </property>

  </action>

  <action name="actionExportCsv">

   <property name="text">

    <string>&amp;Export CSV</string>

   </property>

   <property name="toolTip">

    <string>Export plot data to CSV</string>

   </property>

  </action>

  <action name="actionQuit">

   <property name="text">

    <string>&amp;Quit</string>

   </property>

   <property name="shortcut">

    <string>Ctrl+Q</string>

   </property>

  </action>

  <action name="actionReportBug">

   <property name="text">

    <string>&amp;Report a Bug</string>

   </property>

   <property name="toolTip">

    <string>Report a Bug on SerialPlot Website</string>

   </property>

  </action>

  <action name="actionSaveSettings">

   <property name="text">

    <string>&amp;Save Settings</string>

   </property>

   <property name="toolTip">

    <string>Save Settings to a File</string>

   </property>

  </action>

  <action name="actionLoadSettings">

   <property name="text">

    <string>&amp;Load Settings</string>

   </property>

   <property name="toolTip">

    <string>Load Settings from a File</string>

   </property>

  </action>

 </widget>

 <layoutdefault spacing="6" margin="11"/>

 <customwidgets>

  <customwidget>

   <class>HidableTabWidget</class>

   <extends>QTabWidget</extends>

   <header>hidabletabwidget.h</header>

   <container>1</container>

  </customwidget>

 </customwidgets>

 <resources/>

 <connections/>

</ui>

/*

  Copyright © 2017 Hasan Yavuz Özderya

  This file is part of serialplot.

  serialplot 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 3 of the License, or

  (at your option) any later version.

  serialplot 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 General Public License for more details.

  You should have received a copy of the GNU General Public License

  along with serialplot.  If not, see <http://www.gnu.org/licenses/>.

*/

#include <QTime>

#include <QMenuBar>

#include <QKeySequence>

#include <QFileDialog>

#include <QFile>

#include <QVector>

#include <QPointF>

#include <QtDebug>

#include "snapshotmanager.h"

SnapshotManager::SnapshotManager(QMainWindow* mainWindow,

                                 ChannelManager* channelMan) :

    _menu("&Snapshots"),

    _takeSnapshotAction("&Take Snapshot", this),

    loadSnapshotAction("&Load Snapshots", this),

    clearAction("&Clear Snapshots", this)

{

    _mainWindow = mainWindow;

    _channelMan = channelMan;

    _takeSnapshotAction.setToolTip("Take a snapshot of current plot");

    _takeSnapshotAction.setShortcut(QKeySequence("F5"));

    loadSnapshotAction.setToolTip("Load snapshots from CSV files");

    clearAction.setToolTip("Delete all snapshots");

    connect(&_takeSnapshotAction, SIGNAL(triggered(bool)),

            this, SLOT(takeSnapshot()));

    connect(&clearAction, SIGNAL(triggered(bool)),

            this, SLOT(clearSnapshots()));

    connect(&loadSnapshotAction, SIGNAL(triggered(bool)),

            this, SLOT(loadSnapshots()));

    updateMenu();

}

SnapshotManager::~SnapshotManager()

{

    for (auto snapshot : snapshots)

    {

        delete snapshot;

    }

}

Snapshot* SnapshotManager::makeSnapshot()

{

    QString name = QTime::currentTime().toString("'Snapshot ['HH:mm:ss']'");

    auto snapshot = new Snapshot(_mainWindow, name, *(_channelMan->infoModel()));

    unsigned numOfChannels = _channelMan->numOfChannels();

    unsigned numOfSamples = _channelMan->numOfSamples();

    for (unsigned ci = 0; ci < numOfChannels; ci++)

    {

        snapshot->data.append(QVector<QPointF>(numOfSamples));

        for (unsigned i = 0; i < numOfSamples; i++)

        {

            snapshot->data[ci][i] = QPointF(i, _channelMan->channelBuffer(ci)->sample(i));

        }

    }

    return snapshot;

}

void SnapshotManager::takeSnapshot()

{

    addSnapshot(makeSnapshot());

}

void SnapshotManager::addSnapshot(Snapshot* snapshot, bool update_menu)

{

    snapshots.append(snapshot);

    QObject::connect(snapshot, &Snapshot::deleteRequested,

                     this, &SnapshotManager::deleteSnapshot);

    if (update_menu) updateMenu();

}

void SnapshotManager::updateMenu()

{

    _menu.clear();

    _menu.addAction(&_takeSnapshotAction);

    _menu.addAction(&loadSnapshotAction);

    if (snapshots.size())

    {

        _menu.addSeparator();

        for (auto ss : snapshots)

        {

            _menu.addAction(ss->showAction());

        }

        _menu.addSeparator();

        _menu.addAction(&clearAction);

    }

}

void SnapshotManager::clearSnapshots()

{

    for (auto snapshot : snapshots)

    {

        delete snapshot;

    }

    snapshots.clear();

    updateMenu();

}

void SnapshotManager::deleteSnapshot(Snapshot* snapshot)

{

    snapshots.removeOne(snapshot);

    snapshot->deleteLater(); // regular delete causes a crash when triggered from menu

    updateMenu();

}

void SnapshotManager::loadSnapshots()

{

    auto files = QFileDialog::getOpenFileNames(_mainWindow, tr("Load CSV File"));

    for (auto f : files)

    {

        if (!f.isNull()) loadSnapshotFromFile(f);

    }

    updateMenu();

}

void SnapshotManager::loadSnapshotFromFile(QString fileName)

{

    QFile file(fileName);

    if (!file.open(QIODevice::ReadOnly | QIODevice::Text))

    {

        qCritical() << "Couldn't open file: " << fileName;

        qCritical() << file.errorString();

        return;

    }

    // read first row as headlines and determine number of channels

    auto headLine = QString(file.readLine());

    QStringList channelNames = headLine.split(',');

    unsigned numOfChannels = channelNames.size();

    // read data

    QVector<QVector<QPointF>> data(numOfChannels);

    unsigned lineNum = 1;

    while (file.canReadLine())

    {

        // parse line

        auto line = QString(file.readLine());

        auto split = line.split(',');

        if (split.size() != (int) numOfChannels)

        {

            qCritical() << "Parsing error at line " << lineNum

                        << ": number of columns is not consistent.";

            return;

        }

        for (unsigned ci = 0; ci < numOfChannels; ci++)

        {

            // parse column

            bool ok;

            double y = split[ci].toDouble(&ok);

            if (!ok)

            {

                qCritical() << "Parsing error at line " << lineNum

                            << ", column " << ci

                            << ": can't convert \"" << split[ci]

                            << "\" to double.";

                return;

            }

            data[ci].append(QPointF(lineNum-1, y));

        }

        lineNum++;

    }

    ChannelInfoModel channelInfo(channelNames);

    auto snapshot = new Snapshot(

        _mainWindow, QFileInfo(fileName).baseName(), ChannelInfoModel(channelNames));

    snapshot->data = data;

    addSnapshot(snapshot, false);

}

QMenu* SnapshotManager::menu()

{

    return &_menu;

}

QAction* SnapshotManager::takeSnapshotAction()

{

    return &_takeSnapshotAction;

}

bool SnapshotManager::isAllSaved()

{

    for (auto snapshot : snapshots)

    {

        if (!snapshot->isSaved()) return false;

    }

    return true;

}