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
|
#include "pctable.h"
#include "pctablemodel.h"
#include <QTableView>
#include <QHeaderView>
#include <QModelIndex>
#include <QDrag>
#include <QPainter>
#include <QPoint>
#include <QBrush>
#include <QPen>
ProgramChangeTable::ProgramChangeTable(QWidget *parent) : QTableView(parent)
{
setDragEnabled(true);
setAcceptDrops(true);
setCornerButtonEnabled(false);
verticalHeader()->hide();
//horizontalHeader()->hide();
setAutoFillBackground(true);
setTextElideMode(Qt::ElideNone);
setSelectionBehavior(QAbstractItemView::SelectRows);
setAlternatingRowColors(true);
setWordWrap(false);
}
void ProgramChangeTable::dropEvent(QDropEvent *evt)
{
if (evt->mimeData()->hasText()) {
evt->setDropAction(Qt::MoveAction);
ProgramChangeTableModel* m = (ProgramChangeTableModel*)model();
QRect r = frameRect();
QModelIndex index = indexAt ( evt->pos() );
QString t = evt->mimeData()->text();
int srow = t.toInt();
int drow = index.row();
if(drow != -1 && drow != srow/* && r.contains(evt->pos())*/)
{
QList<QStandardItem*> dragItems = m->takeRow(srow);
m->insertRow(index.row(), dragItems);
emit rowOrderChanged();
}
}
else {
evt->ignore();
}
}
void ProgramChangeTable::mousePressEvent(QMouseEvent *evt)
{
QModelIndex modidx = indexAt(evt->pos());
QRect arect = visualRect ( modidx );
arect.setWidth(20);
if (evt->button() == Qt::LeftButton && !arect.contains(evt->pos()) /*&& ((QInputEvent*)evt)->modifiers() & Qt::ShiftModifier*/) {
//printf("Mouse Press Event fired\n");
QTableView::mousePressEvent(evt);
QModelIndex index = currentIndex();
QString plainText = QString::number(index.row());
QMimeData *mimeData = new QMimeData;
mimeData->setText(plainText);
QDrag* drag = new QDrag(this);
drag->setMimeData(mimeData);
drag->setHotSpot(evt->pos() - rect().topLeft());
drag->start(Qt::MoveAction);
}
else
{
QTableView::mousePressEvent(evt);
}
}
void ProgramChangeTable::dragEnterEvent(QDragEnterEvent* evt)
{
if (evt->mimeData()->hasText())
{
evt->acceptProposedAction();
//printf("dragEnterEvent fired\n");
}
else
evt->ignore();
}
void ProgramChangeTable::dragMoveEvent(QDragMoveEvent* evt)
{
dropSite = evt->answerRect();
ProgramChangeTableModel* m = (ProgramChangeTableModel*)model();
m->emit_layoutChanged();
}
void ProgramChangeTable::paintEvent ( QPaintEvent* event )
{
QTableView::paintEvent (event);
QPainter painter ( viewport() );
int x, y, w, h;
dropSite.getRect ( &x, &y, &w, &h );
QPoint point(x,y);
QModelIndex modidx = indexAt ( point );
QRect arect = visualRect ( modidx );
int b = arect.y();
QBrush brush(Qt::black, Qt::Dense4Pattern);
QPen pen;
pen.setWidth(2);
pen.setBrush(brush);
painter.setPen(pen);
painter.drawLine ( 0, b, width()-40, b );
event->accept();
}
QList<int> ProgramChangeTable::getSelectedRows()
{
QList<int> rv;
QItemSelectionModel* smodel = selectionModel();
if(smodel->hasSelection())
{
QModelIndexList indexes = smodel->selectedRows();
QList<QModelIndex>::const_iterator id;
for (id = indexes.constBegin(); id != indexes.constEnd(); ++id)
{
int row = (*id).row();
rv.append(row);
}
}
return rv;
}
|
