source: flair-src/branches/mavlink/tools/FlairGCS/src/ListWidget.cpp@ 64

Last change on this file since 64 was 64, checked in by Thomas Fuhrmann, 6 years ago

Save config on target and save all locally are now working

File size: 4.2 KB
Line 
1// %flair:license{
2// This file is part of the Flair framework distributed under the
3// CECILL-C License, Version 1.0.
4// %flair:license}
5#include "ListWidget.h"
6#include "Layout.h"
7#include <QListWidget>
8#include <QFormLayout>
9#include <QLabel>
10#include <QListWidgetItem>
11#include <QPalette>
12#include <sstream>
13
14//to remove, for tests only
15#include <iostream>
16
17ListWidget::ListWidget(Layout *parent, int row, int col, QString name)
18 : currentItemRow(-1), isUpToDate(true),
19 FormLayout(parent, row, col, name, "ListWidget") {
20 listwidget = new QListWidget();
21 // construct the object in 2 times, to have the label above the list
22 object_layout->addRow(new QLabel(name));
23 object_layout->addRow(listwidget);
24 // modify the color palette to have the selected item text in red
25 palListRed.setColor(QPalette::HighlightedText, QColor(255, 0, 0));
26 palListDefault.setColor(QPalette::HighlightedText, QColor(255, 255, 255));
27 connect(listwidget, SIGNAL(currentRowChanged(int)), this,
28 SLOT(SelectedItemChanged(int)));
29 // to avoid duplicates when adding items
30 SetIsExpandable(true);
31}
32
33ListWidget::ListWidget(Layout *parent, int row, int col, QString name,
34 QStringList &items)
35 : ListWidget(parent, row, col, name) {
36 if (!items.isEmpty()) {
37 listwidget->addItems(items);
38 }
39}
40
41ListWidget::~ListWidget() {
42 if (listwidget) {
43 delete listwidget;
44 }
45}
46
47void ListWidget::XmlEvent(QDomElement dom) {
48 isUpToDate = false;
49 if (dom.attribute("item") != "") {
50 QString item = dom.attribute("item");
51 QListWidgetItem *widget_item = new QListWidgetItem(item);
52 // new item, so the text is red
53 widget_item->setForeground(Qt::red);
54 listwidget->addItem(widget_item);
55 }
56 if (dom.attribute("delete") != "") {
57 int row_to_del = dom.attribute("delete").toInt();
58 RemoveItemFromXml(row_to_del);
59 QListWidgetItem *item_to_del = listwidget->takeItem(row_to_del);
60 if (item_to_del) {
61 delete item_to_del;
62 }
63 }
64}
65
66void ListWidget::SetUptodate(void) {
67 ui_to_var();
68 ui_to_xml();
69 listwidget->setPalette(palListDefault);
70 isUpToDate = true;
71}
72
73void ListWidget::ui_to_var(void) {
74 currentItemRow = listwidget->currentRow();
75}
76
77void ListWidget::ui_to_xml(void) {
78 SetValue(QString::number(listwidget->currentRow()));
79 // add the list of items
80 for (int count = 0; count < listwidget->count(); count++) {
81 std::string item;
82 std::ostringstream item_prop;
83 item_prop << "item" << count;
84 SetAttribute(QString::fromStdString(item_prop.str()),
85 listwidget->item(count)->text());
86 listwidget->item(count)->setForeground(Qt::black);
87 }
88}
89
90void ListWidget::Reset(void) {
91 if (currentItemRow != -1) {
92 // TODO recharger l'élément supprimé si non appliqué ou recharger la variable
93 listwidget->setCurrentRow(currentItemRow);
94 }
95}
96
97void ListWidget::LoadEvent(QDomElement dom) {
98 //function not tested
99 std::cout << "FlairGCS LoadEvent" << std::endl;
100 if (listwidget->isEnabled() == true) {
101 std::cout << "FlairGCS LoadEvent loading" << std::endl;
102 listwidget->clear();
103 QStringList items;
104 int count = 0;
105 while (dom.hasAttribute("item" + QString::number(count))) {
106 std::cout << "FlairGCS LoadEvent boucle" << std::endl;
107 listwidget->addItem(dom.attribute("item" + QString::number(count)));
108 count++;
109 }
110 }
111}
112
113void ListWidget::SelectedItemChanged(int current_row) {
114 if (current_row != currentItemRow) {
115 isUpToDate = false;
116 listwidget->setPalette(palListRed);
117 } else {
118 listwidget->setPalette(palListDefault);
119 }
120}
121
122bool ListWidget::IsUptodate(void) { return isUpToDate; }
123
124void ListWidget::RemoveItemFromXml(int row_to_del) {
125 // Shift the elements in the XML file to have the one to delete at the end
126 std::ostringstream item_prop;
127 for (int count = row_to_del; count < listwidget->count() - 1; count++) {
128 item_prop << "item" << count;
129 SetAttribute(QString::fromStdString(item_prop.str()),
130 listwidget->item(count + 1)->text());
131 // Clear the value of the stringstream
132 item_prop.str(std::string());
133 }
134 // Delete the last element from the XML file
135 item_prop << "item" << (listwidget->count() - 1);
136 RemoveAttribute(QString::fromStdString(item_prop.str()));
137}
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