-
-
Notifications
You must be signed in to change notification settings - Fork 2.3k
Expand file tree
/
Copy pathSelectItemsPopup.cpp
More file actions
136 lines (113 loc) · 3.88 KB
/
SelectItemsPopup.cpp
File metadata and controls
136 lines (113 loc) · 3.88 KB
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
#include "SelectItemsPopup.h"
#include "ui_SelectItemsPopup.h"
#include <QPushButton>
SelectItemsPopup::SelectItemsPopup(const std::vector<std::string>& available, const std::vector<std::string>& selected, QWidget* parent) :
QDialog(parent),
ui(new Ui::SelectItemsPopup)
{
ui->setupUi(this);
setWindowFlags(Qt::Popup);
// Load initial items
for(const auto& s : available)
{
if(std::find(selected.begin(), selected.end(), s) == selected.end())
new QListWidgetItem(QString::fromStdString(s), ui->listAvailable);
}
for(const auto& s : selected)
new QListWidgetItem(QString::fromStdString(s), ui->listSelected);
}
SelectItemsPopup::~SelectItemsPopup()
{
delete ui;
}
std::vector<std::string> SelectItemsPopup::selectedItems() const
{
std::vector<std::string> result;
for(int i=0;i<ui->listSelected->count();i++)
result.push_back(ui->listSelected->item(i)->text().toStdString());
return result;
}
void SelectItemsPopup::selectItem(const QModelIndex& idx)
{
// Get currently selected iitem if none was provided
QListWidgetItem* item;
if(idx.isValid())
item = ui->listAvailable->item(idx.row());
else
item = ui->listAvailable->currentItem();
if(!item)
return;
// Add it to the selected items list
new QListWidgetItem(item->text(), ui->listSelected);
// Remove it from available items list
delete item;
}
void SelectItemsPopup::unselectItem(const QModelIndex& idx)
{
// Get currently selected iitem if none was provided
QListWidgetItem* item;
if(idx.isValid())
item = ui->listSelected->item(idx.row());
else
item = ui->listSelected->currentItem();
if(!item)
return;
// Add it to the available items list
new QListWidgetItem(item->text(), ui->listAvailable);
// Remove it from selected items list
delete item;
}
void SelectItemsPopup::resizeEvent(QResizeEvent*)
{
// We modify the shape of the dialog to add an arrow shaped edge. See the ascii art image below for details. The edges
// are numbered, their order is the same as in the polygon definition.
/*
/3\
/ \
1---2 4--------5
| |
| |
7------------------6
*/
const int arrow_height = ui->spacer->geometry().height();
const int arrow_width = arrow_height * 3;
const int arrow_position_div = 5;
QPolygon poly;
poly << QPoint(rect().x(), rect().y() + arrow_height)
<< QPoint(rect().x() + rect().width() / arrow_position_div - arrow_width / 2, rect().y() + arrow_height)
<< QPoint(rect().x() + rect().width() / arrow_position_div, rect().y())
<< QPoint(rect().x() + rect().width() / arrow_position_div + arrow_width / 2, rect().y() + arrow_height)
<< QPoint(rect().x() + rect().width(), rect().y() + arrow_height)
<< QPoint(rect().x() + rect().width(), rect().y() + rect().height())
<< QPoint(rect().x(), rect().y() + rect().height());
setMask(QRegion(poly));
}
void SelectItemsPopup::buttonBoxClicked(QAbstractButton* button)
{
if(button == ui->buttonBox->button(QDialogButtonBox::Apply))
accept();
}
void SelectItemsPopup::moveItemUp()
{
moveCurrentItem(false);
}
void SelectItemsPopup::moveItemDown()
{
moveCurrentItem(true);
}
void SelectItemsPopup::moveCurrentItem(bool down)
{
// Get current row number and calculate row number after the movement. Check the values
int currentRow = ui->listSelected->currentRow();
if(currentRow == -1)
return;
int newRow = currentRow + (down ? 1 : -1);
if(newRow < 0)
return;
if(newRow >= ui->listSelected->count())
return;
// Swap items
ui->listSelected->insertItem(newRow, ui->listSelected->takeItem(currentRow));
// Select old item at new position
ui->listSelected->setCurrentRow(newRow);
}