FilesBrowser/MainWindow.cpp at master · dealmeida/FilesBrowser · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
#include "MainWindow.h"

#include "IntegerEditorDelegate.h"
#include "DecoratedView.h"
#include "Helper.h"
#include "ViewCreator.h"
//#include "ViewFactory.h"

#include <QApplication>
#include <QFileSystemModel>
#include <QHeaderView>
#include <QListView>
#include <QSplitter>
#include <QStandardItemModel>
#include <QTableView>
#include <QTreeView>

#include <iostream>
#include <memory>

MainWindow::MainWindow(QWidget *parent):QMainWindow(parent), _customModel(nullptr)
{
    //Tests on Move Constructors and Move Assignement Operators
    {
        //Helper::Base base("First Base");
        Helper::Derived derived("First Derived");

        Helper::Derived derivedTwo = derived;
        derivedTwo.setBigString("Test Derived Two Big String");

        Helper::Derived derivedThree;
        derivedThree = derived;
        derivedThree.setBigString("Test Derived THREE BS");

        std::cout<<"Big String 1: "<<derived.getBigString()<<std::endl;
        std::cout<<"Big String 2: "<<derivedTwo.getBigString()<<std::endl;
        std::cout<<"Big String 3: "<<derivedThree.getBigString()<<std::endl;

        Helper::Derived derivedFour = std::move( derivedThree );
        Helper::Derived derivedFive;
        derivedFive = std::move( derivedTwo );

        //std::unique_ptr<Helper::Base> basePtr( new Helper::Base( "Rodrigo", "Almeida" ) );
        //std::unique_ptr<int[]> basePtr(new int[3]());
//        basePtr.get()[1]=2;
//        basePtr.get()[2]=3;
//        basePtr.get()[3]=4;

                //QSharedPointer<Helper::Base>(new Helper::Base("Shared Base"));
        //std::cout<<"Base Name: "<<basePtr.get()[2] <<std::endl;

    }

    //_splitter = new QSplitter( this );
    _splitter = QSharedPointer<QSplitter>(new QSplitter(this), &QObject::deleteLater);

    /*
    table = ViewFactory::createView( ViewFactory::TABLE, splitter );
    tree = ViewFactory::createView( ViewFactory::TREE, splitter );
    list = ViewFactory::createView( ViewFactory::LIST, splitter );
    */
    _table = ViewCreator::createView<QTableView>( _splitter.data() );
    _list = ViewCreator::createView<TopListView>( _splitter.data() );
    _tree = ViewCreator::createView<QTreeView>( _splitter.data() );

    _model = new QFileSystemModel;
    _model->setRootPath( "/Users/rodrigoalmeida/" );
    _table->setModel( _model );
    _table->setRootIndex( _model->index( "/Users/rodrigoalmeida/" ) );
    qobject_cast<QTableView *>(_table)->horizontalHeader()->setSortIndicatorShown(true);
    qobject_cast<QTableView *>(_table)->horizontalHeader()->setSortIndicator(1, Qt::AscendingOrder);
    qobject_cast<QTableView *>(_table)->setSortingEnabled( true );

    //Create a custom model populating it with calendar tree data (years, months, days)
    _customModel = Helper::getPopulatedModel();
    _tree->setModel( _customModel );
    _customModel->setHorizontalHeaderLabels(
                QStringList() << QApplication::translate("Dates", "Number")
                << QApplication::translate("Dates", "Name"));

    _tree->setItemDelegate( new IntegerEditorDelegate( this ) );

    //_tree->setRootIndex( _model->index( "/Users/rodrigoalmeida/" ) );


    _list->setModel( _model);
    _list->setAlternatingRowColors( true );
    _list->setRootIndex( _model->index( "/Users/rodrigoalmeida/" ) );
    //The decoratedList only works when calling the setVisible() method
    _decoratedList = new PaintedView( _list );

    setCentralWidget( _splitter.data() );
    setFixedSize( 900, 500 );

    connect( _table->selectionModel(),
             SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
             this,
             SLOT(updateWindowTitle(const QItemSelection&, const QItemSelection&) ));

    connect( _tree->selectionModel(),
             SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
             this,
             SLOT(toggleViewVisibility(const QItemSelection&, const QItemSelection&) ));

    connect( _tree->selectionModel(),
             SIGNAL(selectionChanged(const QItemSelection&, const QItemSelection&)),
             this,
             SLOT(treeSelectionChanged(const QItemSelection&, const QItemSelection&) ));


    this->setWindowTitle("File Explorer");
}

MainWindow::~MainWindow()
{
    delete _model;
    delete _tree;
    delete _table;
    delete _list;
    //delete _splitter;
    delete _customModel;
}

void MainWindow::updateWindowTitle(const QItemSelection&, const QItemSelection&)
{
    QString newText = _table->currentIndex().data( Qt::DisplayRole ).toString();
    this->setWindowTitle( newText );
}

void MainWindow::toggleViewVisibility(const QItemSelection &, const QItemSelection &)
{
    std::cout<<"Starting operation"<<std::endl;
    long int total = 0;
    for(long int i=0; i<100000000; i++)
        total += i;
    //_decoratedList->setVisible( false );
    std::cout<<"Finishing operation: "<<total<<std::endl;
}

void MainWindow::treeSelectionChanged(const QItemSelection&, const QItemSelection&)
{
    const QModelIndex index = _tree->selectionModel()->currentIndex();
    const QString selectionText = index.data( Qt::DisplayRole ).toString();
    int level = 0;
    QModelIndex isRoot = index;
    while( isRoot.parent() != QModelIndex() )
    {
        level++;
        isRoot = isRoot.parent();
    }
    setWindowTitle( selectionText + " Level "+ QString::number(level));
}