xbelreader.cpp Example File
xml/streambookmarks/xbelreader.cpp
#include <QtGui>
#include "xbelreader.h"
XbelReader::XbelReader(QTreeWidget *treeWidget)
: treeWidget(treeWidget)
{
QStyle *style = treeWidget->style();
folderIcon.addPixmap(style->standardPixmap(QStyle::SP_DirClosedIcon),
QIcon::Normal, QIcon::Off);
folderIcon.addPixmap(style->standardPixmap(QStyle::SP_DirOpenIcon),
QIcon::Normal, QIcon::On);
bookmarkIcon.addPixmap(style->standardPixmap(QStyle::SP_FileIcon));
}
bool XbelReader::read(QIODevice *device)
{
setDevice(device);
while (!atEnd()) {
readNext();
if (isStartElement()) {
if (name() == "xbel" && attributes().value("version") == "1.0")
readXBEL();
else
raiseError(QObject::tr("The file is not an XBEL version 1.0 file."));
}
}
return !error();
}
void XbelReader::readUnknownElement()
{
Q_ASSERT(isStartElement());
while (!atEnd()) {
readNext();
if (isEndElement())
break;
if (isStartElement())
readUnknownElement();
}
}
void XbelReader::readXBEL()
{
Q_ASSERT(isStartElement() && name() == "xbel");
while (!atEnd()) {
readNext();
if (isEndElement())
break;
if (isStartElement()) {
if (name() == "folder")
readFolder(0);
else if (name() == "bookmark")
readBookmark(0);
else if (name() == "separator")
readSeparator(0);
else
readUnknownElement();
}
}
}
void XbelReader::readTitle(QTreeWidgetItem *item)
{
Q_ASSERT(isStartElement() && name() == "title");
QString title = readElementText();
item->setText(0, title);
}
void XbelReader::readSeparator(QTreeWidgetItem *item)
{
QTreeWidgetItem *separator = createChildItem(item);
separator->setFlags(item->flags() & ~Qt::ItemIsSelectable);
separator->setText(0, QString(30, 0xB7));
readElementText();
}
void XbelReader::readFolder(QTreeWidgetItem *item)
{
Q_ASSERT(isStartElement() && name() == "folder");
QTreeWidgetItem *folder = createChildItem(item);
bool folded = (attributes().value("folded") != "no");
treeWidget->setItemExpanded(folder, !folded);
while (!atEnd()) {
readNext();
if (isEndElement())
break;
if (isStartElement()) {
if (name() == "title")
readTitle(folder);
else if (name() == "folder")
readFolder(folder);
else if (name() == "bookmark")
readBookmark(folder);
else if (name() == "separator")
readSeparator(folder);
else
readUnknownElement();
}
}
}
void XbelReader::readBookmark(QTreeWidgetItem *item)
{
Q_ASSERT(isStartElement() && name() == "bookmark");
QTreeWidgetItem *bookmark = createChildItem(item);
bookmark->setFlags(bookmark->flags() | Qt::ItemIsEditable);
bookmark->setIcon(0, bookmarkIcon);
bookmark->setText(0, QObject::tr("Unknown title"));
bookmark->setText(1, attributes().value("href").toString());
while (!atEnd()) {
readNext();
if (isEndElement())
break;
if (isStartElement()) {
if (name() == "title")
readTitle(bookmark);
else
readUnknownElement();
}
}
}
QTreeWidgetItem *XbelReader::createChildItem(QTreeWidgetItem *item)
{
QTreeWidgetItem *childItem;
if (item) {
childItem = new QTreeWidgetItem(item);
} else {
childItem = new QTreeWidgetItem(treeWidget);
}
childItem->setData(0, Qt::UserRole, name().toString());
return childItem;
}
Copyright © 2009 Nokia Corporation and/or its subsidiary(-ies) |
Trademarks |
Qt 4.5.1 |