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50
51#include "mainwindow.h"
52#include "dommodel.h"
53
54#include <QDomDocument>
55#include <QTreeView>
56#include <QMenuBar>
57#include <QFileDialog>
58
59MainWindow::MainWindow(QWidget *parent)
60 : QMainWindow(parent),
61 model(new DomModel(QDomDocument(), this)),
62 view(new QTreeView(this))
63{
64 fileMenu = menuBar()->addMenu(title: tr(s: "&File"));
65 fileMenu->addAction(text: tr(s: "&Open..."), object: this, slot: &MainWindow::openFile, shortcut: QKeySequence::Open);
66 fileMenu->addAction(text: tr(s: "E&xit"), object: this, slot: &QWidget::close, shortcut: QKeySequence::Quit);
67
68 view->setModel(model);
69
70 setCentralWidget(view);
71 setWindowTitle(tr(s: "Simple DOM Model"));
72}
73
74void MainWindow::openFile()
75{
76 QString filePath = QFileDialog::getOpenFileName(parent: this, caption: tr(s: "Open File"),
77 dir: xmlPath, filter: tr(s: "XML files (*.xml);;HTML files (*.html);;"
78 "SVG files (*.svg);;User Interface files (*.ui)"));
79
80 if (!filePath.isEmpty()) {
81 QFile file(filePath);
82 if (file.open(flags: QIODevice::ReadOnly)) {
83 QDomDocument document;
84 if (document.setContent(dev: &file)) {
85 DomModel *newModel = new DomModel(document, this);
86 view->setModel(newModel);
87 delete model;
88 model = newModel;
89 xmlPath = filePath;
90 }
91 file.close();
92 }
93 }
94}
95

source code of qtbase/examples/widgets/itemviews/simpledommodel/mainwindow.cpp