mirror of
https://github.com/RetroShare/RetroShare.git
synced 2025-05-02 06:06:10 -04:00
FeedReader plugin
- reserved service id - reworked error codes - added xpath manipulation and basic gui elements in preview dialog git-svn-id: http://svn.code.sf.net/p/retroshare/code/branches/v0.5-gxs-b1@5514 b45a01b8-16f6-495d-af2f-9b41ad6348cc
This commit is contained in:
thunder2
parent
08904bf82f
commit
c7ed9c6df7
23 changed files with 1595 additions and 430 deletions
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@ -19,13 +19,16 @@
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* Boston, MA 02110-1301, USA.
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****************************************************************/
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#include <QPainter>
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//#include <QPainter>
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#include <QMenu>
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#include <QKeyEvent>
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#include "PreviewFeedDialog.h"
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#include "ui_PreviewFeedDialog.h"
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#include "FeedReaderNotify.h"
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#include "FeedReaderStringDefs.h"
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#include "util/HandleRichText.h"
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#include "gui/settings/rsharesettings.h"
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#include "interface/rsFeedReader.h"
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#include "retroshare/rsiface.h"
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@ -138,33 +141,67 @@
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//}
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PreviewFeedDialog::PreviewFeedDialog(RsFeedReader *feedReader, FeedReaderNotify *notify, const FeedInfo &feedInfo, QWidget *parent) :
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QDialog(parent), mFeedReader(feedReader), mNotify(notify), ui(new Ui::PreviewFeedDialog)
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QDialog(parent, Qt::Window), mFeedReader(feedReader), mNotify(notify), ui(new Ui::PreviewFeedDialog)
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{
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ui->setupUi(this);
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ui->feedNameLabel->clear();
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ui->feedInfoLabel->clear();
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ui->useXPathCheckBox->setChecked(true);
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/* connect signals */
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connect(ui->previousPushButton, SIGNAL(clicked()), this, SLOT(previousMsg()));
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connect(ui->nextPushButton, SIGNAL(clicked()), this, SLOT(nextMsg()));
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connect(ui->documentButton, SIGNAL(toggled(bool)), this, SLOT(showDocumentFrame(bool)));
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connect(ui->closeStructureButton, SIGNAL(clicked()), this, SLOT(showStructureFrame()));
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connect(ui->structureButton, SIGNAL(toggled(bool)), this, SLOT(showStructureFrame(bool)));
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connect(ui->xpathPushButton, SIGNAL(toggled(bool)), this, SLOT(showXPathFrame(bool)));
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connect(ui->useXPathCheckBox, SIGNAL(toggled(bool)), this, SLOT(fillStructureTree()));
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connect(ui->xpathUseListWidget, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(xpathListCustomPopupMenu(QPoint)));
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connect(ui->xpathRemoveListWidget, SIGNAL(customContextMenuRequested(QPoint)), this, SLOT(xpathListCustomPopupMenu(QPoint)));
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connect(ui->xpathUseListWidget->itemDelegate(), SIGNAL(closeEditor(QWidget*,QAbstractItemDelegate::EndEditHint)), this, SLOT(xpathCloseEditor(QWidget*,QAbstractItemDelegate::EndEditHint)));
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connect(ui->xpathRemoveListWidget->itemDelegate(), SIGNAL(closeEditor(QWidget*,QAbstractItemDelegate::EndEditHint)), this, SLOT(xpathCloseEditor(QWidget*,QAbstractItemDelegate::EndEditHint)));
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connect(mNotify, SIGNAL(notifyFeedChanged(QString,int)), this, SLOT(feedChanged(QString,int)));
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connect(mNotify, SIGNAL(notifyMsgChanged(QString,QString,int)), this, SLOT(msgChanged(QString,QString,int)));
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// ui->documentTreeWidget->setItemDelegate(new PreviewItemDelegate(ui->documentTreeWidget));
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showDocumentFrame(false);
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ui->structureFrame->hide();
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if (!mFeedReader->addPreviewFeed(feedInfo, mFeedId)) {
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setInfo(tr("Cannot create preview"));
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if (mFeedReader->addPreviewFeed(feedInfo, mFeedId)) {
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setFeedInfo("");
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} else {
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setFeedInfo(tr("Cannot create preview"));
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}
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setXPathInfo("");
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showXPathFrame(true);
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/* fill xpath expressions */
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QListWidgetItem *item;
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std::string xpath;
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foreach(xpath, feedInfo.xpathsToUse){
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item = new QListWidgetItem(QString::fromUtf8(xpath.c_str()));
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item->setFlags(item->flags() | Qt::ItemIsEditable);
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ui->xpathUseListWidget->addItem(item);
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}
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foreach(xpath, feedInfo.xpathsToRemove){
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item = new QListWidgetItem(QString::fromUtf8(xpath.c_str()));
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item->setFlags(item->flags() | Qt::ItemIsEditable);
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ui->xpathRemoveListWidget->addItem(item);
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}
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updateMsgCount();
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ui->xpathUseListWidget->installEventFilter(this);
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ui->xpathRemoveListWidget->installEventFilter(this);
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/* load settings */
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processSettings(true);
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}
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PreviewFeedDialog::~PreviewFeedDialog()
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{
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/* save settings */
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processSettings(false);
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disconnect(mNotify);
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disconnect(mNotify);
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@ -175,6 +212,51 @@ PreviewFeedDialog::~PreviewFeedDialog()
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delete ui;
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}
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void PreviewFeedDialog::processSettings(bool load)
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{
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Settings->beginGroup(QString("PreviewFeedDialog"));
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if (load) {
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// load settings
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QByteArray geometry = Settings->value("Geometry").toByteArray();
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if (!geometry.isEmpty()) {
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restoreGeometry(geometry);
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}
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} else {
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// save settings
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Settings->setValue("Geometry", saveGeometry());
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}
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Settings->endGroup();
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}
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bool PreviewFeedDialog::eventFilter(QObject *obj, QEvent *event)
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{
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long todo_here;
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if (event->type() == QEvent::KeyPress) {
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QKeyEvent *keyEvent = static_cast<QKeyEvent*>(event);
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if (keyEvent) {
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if (keyEvent->key() == Qt::Key_Delete) {
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/* Delete pressed */
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if (obj == ui->xpathUseListWidget || obj == ui->xpathRemoveListWidget) {
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QListWidget *listWidget = dynamic_cast<QListWidget*>(obj);
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if (listWidget) {
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QListWidgetItem *item = listWidget->currentItem();
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if (item) {
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delete(item);
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processXPath();
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}
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return true; // eat event
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}
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}
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}
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}
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}
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/* pass the event on to the parent class */
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return QDialog::eventFilter(obj, event);
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}
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void PreviewFeedDialog::feedChanged(const QString &feedId, int type)
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{
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if (feedId.isEmpty()) {
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@ -251,22 +333,139 @@ void PreviewFeedDialog::msgChanged(const QString &feedId, const QString &msgId,
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updateMsgCount();
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}
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void PreviewFeedDialog::showDocumentFrame(bool show)
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void PreviewFeedDialog::showStructureFrame(bool show)
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{
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ui->documentFrame->setVisible(show);
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ui->documentButton->setChecked(show);
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ui->structureButton->setChecked(show);
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ui->structureFrame->setVisible(show);
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if (show) {
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ui->documentButton->setToolTip(tr("Hide tree"));
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ui->documentButton->setIcon(QIcon(":images/hide_toolbox_frame.png"));
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fillDocumentTree();
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} else {
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ui->documentButton->setToolTip(tr("Show tree"));
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ui->documentButton->setIcon(QIcon(":images/show_toolbox_frame.png"));
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fillStructureTree();
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}
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}
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void PreviewFeedDialog::showXPathFrame(bool show)
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{
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ui->xpathFrame->setVisible(show);
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if (show) {
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ui->xpathPushButton->setToolTip(tr("Hide XPath expressions"));
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ui->xpathPushButton->setIcon(QIcon(":images/show_toolbox_frame.png"));
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} else {
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ui->xpathPushButton->setToolTip(tr("Show XPath expressions"));
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ui->xpathPushButton->setIcon(QIcon(":images/hide_toolbox_frame.png"));
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}
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}
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void PreviewFeedDialog::xpathListCustomPopupMenu(QPoint /*point*/)
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{
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QListWidgetItem *item = NULL;
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if (sender() == ui->xpathUseListWidget) {
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item = ui->xpathUseListWidget->currentItem();
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} else if (sender() == ui->xpathRemoveListWidget) {
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item = ui->xpathRemoveListWidget->currentItem();
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} else {
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return;
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}
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QMenu contextMnu(this);
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QAction *action = contextMnu.addAction(QIcon(), tr("Add"), this, SLOT(addXPath()));
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action->setData(QVariant::fromValue(sender()));
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action = contextMnu.addAction(QIcon(), tr("Edit"), this, SLOT(editXPath()));
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action->setData(QVariant::fromValue(sender()));
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if (!item) {
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action->setEnabled(false);
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}
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action = contextMnu.addAction(QIcon(), tr("Delete"), this, SLOT(removeXPath()));
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action->setData(QVariant::fromValue(sender()));
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if (!item) {
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action->setEnabled(false);
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}
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contextMnu.exec(QCursor::pos());
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}
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void PreviewFeedDialog::xpathCloseEditor(QWidget */*editor*/, QAbstractItemDelegate::EndEditHint /*hint*/)
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{
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processXPath();
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}
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void PreviewFeedDialog::addXPath()
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{
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QAction *action = dynamic_cast<QAction*>(sender());
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if (!action) {
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return;
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}
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QObject *source = action->data().value<QObject*>();
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QListWidget *listWidget;
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if (source == ui->xpathUseListWidget) {
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listWidget = ui->xpathUseListWidget;
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} else if (source == ui->xpathRemoveListWidget) {
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listWidget = ui->xpathRemoveListWidget;
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} else {
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return;
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}
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QListWidgetItem *item = new QListWidgetItem();
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item->setFlags(item->flags() | Qt::ItemIsEditable);
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listWidget->addItem(item);
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listWidget->editItem(item);
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}
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void PreviewFeedDialog::editXPath()
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{
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QAction *action = dynamic_cast<QAction*>(sender());
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if (!action) {
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return;
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}
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QObject *source = action->data().value<QObject*>();
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QListWidget *listWidget;
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if (source == ui->xpathUseListWidget) {
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listWidget = ui->xpathUseListWidget;
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} else if (source == ui->xpathRemoveListWidget) {
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listWidget = ui->xpathRemoveListWidget;
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} else {
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return;
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}
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listWidget->editItem(listWidget->currentItem());
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}
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void PreviewFeedDialog::removeXPath()
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{
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QAction *action = dynamic_cast<QAction*>(sender());
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if (!action) {
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return;
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}
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QObject *source = action->data().value<QObject*>();
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QListWidget *listWidget;
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if (source == ui->xpathUseListWidget) {
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listWidget = ui->xpathUseListWidget;
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} else if (source == ui->xpathRemoveListWidget) {
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listWidget = ui->xpathRemoveListWidget;
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} else {
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return;
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}
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QListWidgetItem *item = listWidget->currentItem();
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if (item) {
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delete(item);
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}
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processXPath();
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}
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int PreviewFeedDialog::getMsgPos()
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{
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int pos = -1;
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@ -281,14 +480,18 @@ int PreviewFeedDialog::getMsgPos()
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return pos;
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}
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void PreviewFeedDialog::setInfo(const QString &info)
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void PreviewFeedDialog::setFeedInfo(const QString &info)
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{
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ui->feedInfoLabel->setText(info);
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ui->infoLabel->setVisible(!info.isEmpty());
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ui->feedInfoLabel->setVisible(!info.isEmpty());
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}
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void PreviewFeedDialog::setXPathInfo(const QString &info)
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{
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ui->xpathInfoLabel->setText(info);
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ui->xpathInfoLabel->setVisible(!info.isEmpty());
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}
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void PreviewFeedDialog::fillFeedInfo(const FeedInfo &feedInfo)
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{
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QString name = feedInfo.name.empty() ? tr("No name") : QString::fromUtf8(feedInfo.name.c_str());
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@ -299,7 +502,7 @@ void PreviewFeedDialog::fillFeedInfo(const FeedInfo &feedInfo)
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}
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ui->feedNameLabel->setText(name);
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setInfo(FeedReaderStringDefs::errorString(feedInfo));
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setFeedInfo(FeedReaderStringDefs::errorString(feedInfo));
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}
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void PreviewFeedDialog::previousMsg()
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@ -344,24 +547,23 @@ void PreviewFeedDialog::updateMsg()
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ui->msgTitle->clear();
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ui->msgText->clear();
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mDescription.clear();
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mDescriptionXPath.clear();
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return;
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}
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mDescription = msgInfo.description;
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QString msgTxt = RsHtml().formatText(ui->msgText->document(), QString::fromUtf8(mDescription.c_str()), RSHTML_FORMATTEXT_EMBED_LINKS);
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ui->msgText->setHtml(msgTxt);
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ui->msgTitle->setText(QString::fromUtf8(msgInfo.title.c_str()));
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ui->documentTreeWidget->clear();
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fillDocumentTree();
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/* store description */
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mDescription = msgInfo.description;
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/* process xpath */
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processXPath();
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}
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static void examineChildElements(QTreeWidget *treeWidget, HTMLWrapper &html, xmlNodePtr node, QTreeWidgetItem *parentItem)
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static void buildNodeText(HTMLWrapper &html, xmlNodePtr node, QString &text)
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{
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QTreeWidgetItem *item = new QTreeWidgetItem;
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QString text;
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if (node->type == XML_ELEMENT_NODE) {
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switch (node->type) {
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case XML_ELEMENT_NODE:
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text = QString("<%1 ").arg(QString::fromUtf8(html.nodeName(node).c_str()));
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for (xmlAttrPtr attr = node->properties; attr; attr = attr->next) {
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@ -372,48 +574,148 @@ static void examineChildElements(QTreeWidget *treeWidget, HTMLWrapper &html, xml
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text += QString("%1=\"%2\" ").arg(QString::fromUtf8(html.attrName(attr).c_str()), value);
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}
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text = text.trimmed() + ">";
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} else {
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std::string content;
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if (html.getContent(node, content)) {
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text = QString::fromUtf8(content.c_str());
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} else {
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text = QApplication::translate("PreviewFeedDialog", "Error getting content");
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if (node->children && !node->children->next && node->children->type == XML_TEXT_NODE) {
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/* only one text node as child */
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std::string content;
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if (html.getContent(node->children, content)) {
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text += QString::fromUtf8(content.c_str());
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} else {
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text += QApplication::translate("PreviewFeedDialog", "Error getting content");
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}
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text += QString("<%1>").arg(QString::fromUtf8(html.nodeName(node).c_str()));
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xmlUnlinkNode(node->children);
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xmlFreeNode(node->children);
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}
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break;
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case XML_TEXT_NODE:
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case XML_COMMENT_NODE:
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{
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if (node->type == XML_COMMENT_NODE) {
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text = "<!-- ";
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}
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std::string content;
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if (html.getContent(node, content)) {
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text += QString::fromUtf8(content.c_str());
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} else {
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text += QApplication::translate("PreviewFeedDialog", "Error getting content");
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}
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if (node->type == XML_COMMENT_NODE) {
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text += " -->";
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}
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}
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break;
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case XML_ATTRIBUTE_NODE:
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case XML_CDATA_SECTION_NODE:
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case XML_ENTITY_REF_NODE:
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case XML_ENTITY_NODE:
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case XML_PI_NODE:
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case XML_DOCUMENT_NODE:
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case XML_DOCUMENT_TYPE_NODE:
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case XML_DOCUMENT_FRAG_NODE:
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case XML_NOTATION_NODE:
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case XML_HTML_DOCUMENT_NODE:
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case XML_DTD_NODE:
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case XML_ELEMENT_DECL:
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case XML_ATTRIBUTE_DECL:
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case XML_ENTITY_DECL:
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case XML_NAMESPACE_DECL:
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case XML_XINCLUDE_START:
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case XML_XINCLUDE_END:
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#ifdef LIBXML_DOCB_ENABLED
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case XML_DOCB_DOCUMENT_NODE:
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#endif
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break;
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}
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}
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static void examineChildElements(QTreeWidget *treeWidget, HTMLWrapper &html, QList<xmlNodePtr> &nodes, QTreeWidgetItem *parentItem)
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{
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int childIndex = 0;
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int childCount;
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QList<QPair<xmlNodePtr, QTreeWidgetItem*> > nodeItems;
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foreach (xmlNodePtr node, nodes) {
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QString text;
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buildNodeText(html, node, text);
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QList<QTreeWidgetItem*> itemsToDelete;
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QTreeWidgetItem *item = NULL;
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childCount = parentItem->childCount();
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for (int index = childIndex; index < childCount; ++index) {
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QTreeWidgetItem *childItem = parentItem->child(index);
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if (childItem->text(0) == text) {
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/* reuse item */
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item = childItem;
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break;
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}
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itemsToDelete.push_back(childItem);
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}
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if (item) {
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/* delete old items */
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foreach (QTreeWidgetItem *item, itemsToDelete) {
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delete(item);
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}
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++childIndex;
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} else {
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item = new QTreeWidgetItem;
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item->setText(0, text);
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parentItem->insertChild(childIndex, item);
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item->setExpanded(true);
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++childIndex;
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}
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nodeItems.push_back(QPair<xmlNodePtr, QTreeWidgetItem*>(node, item));
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}
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/* delete not used items */
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while (childIndex < parentItem->childCount()) {
|
||||
delete(parentItem->child(childIndex));
|
||||
}
|
||||
|
||||
QList<QPair<xmlNodePtr, QTreeWidgetItem*> >::iterator nodeItem;
|
||||
for (nodeItem = nodeItems.begin(); nodeItem != nodeItems.end(); ++nodeItem) {
|
||||
QList<xmlNodePtr> childNodes;
|
||||
for (xmlNodePtr childNode = nodeItem->first->children; childNode; childNode = childNode->next) {
|
||||
childNodes.push_back(childNode);
|
||||
}
|
||||
examineChildElements(treeWidget, html, childNodes, nodeItem->second);
|
||||
}
|
||||
item->setText(0, text);
|
||||
parentItem->addChild(item);
|
||||
|
||||
// QLabel *label = new QLabel(text);
|
||||
// label->setTextFormat(Qt::PlainText);
|
||||
// label->setWordWrap(true);
|
||||
// treeWidget->setItemWidget(item, 0, label);
|
||||
|
||||
item->setExpanded(true);
|
||||
|
||||
for (xmlNodePtr child = node->children; child; child = child->next) {
|
||||
examineChildElements(treeWidget, html, child, item);
|
||||
}
|
||||
}
|
||||
|
||||
void PreviewFeedDialog::fillDocumentTree()
|
||||
void PreviewFeedDialog::fillStructureTree()
|
||||
{
|
||||
if (!ui->documentTreeWidget->isVisible()) {
|
||||
if (!ui->structureTreeWidget->isVisible()) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (ui->documentTreeWidget->topLevelItemCount() > 0) {
|
||||
// if (ui->structureTreeWidget->topLevelItemCount() > 0) {
|
||||
// return;
|
||||
// }
|
||||
|
||||
if (mDescriptionXPath.empty()) {
|
||||
ui->structureTreeWidget->clear();
|
||||
return;
|
||||
}
|
||||
|
||||
if (mDescription.empty()) {
|
||||
return;
|
||||
}
|
||||
bool useXPath = ui->useXPathCheckBox->isChecked();
|
||||
|
||||
HTMLWrapper html;
|
||||
if (!html.readHTML(mDescription.c_str(), "")) {
|
||||
if (!html.readHTML(useXPath ? mDescriptionXPath.c_str() : mDescription.c_str(), "")) {
|
||||
QTreeWidgetItem *item = new QTreeWidgetItem;
|
||||
item->setText(0, tr("Error parsing document"));
|
||||
ui->documentTreeWidget->addTopLevelItem(item);
|
||||
ui->structureTreeWidget->addTopLevelItem(item);
|
||||
|
||||
return;
|
||||
}
|
||||
|
|
@ -423,5 +725,42 @@ void PreviewFeedDialog::fillDocumentTree()
|
|||
return;
|
||||
}
|
||||
|
||||
examineChildElements(ui->documentTreeWidget, html, root, ui->documentTreeWidget->invisibleRootItem());
|
||||
QList<xmlNodePtr> nodes;
|
||||
nodes.push_back(root);
|
||||
examineChildElements(ui->structureTreeWidget, html, nodes, ui->structureTreeWidget->invisibleRootItem());
|
||||
ui->structureTreeWidget->resizeColumnToContents(0);
|
||||
}
|
||||
|
||||
void PreviewFeedDialog::getXPaths(std::list<std::string> &xpathsToUse, std::list<std::string> &xpathsToRemove)
|
||||
{
|
||||
int row;
|
||||
int rowCount = ui->xpathUseListWidget->count();
|
||||
for (row = 0; row < rowCount; ++row) {
|
||||
xpathsToUse.push_back(ui->xpathUseListWidget->item(row)->text().toUtf8().constData());
|
||||
}
|
||||
|
||||
rowCount = ui->xpathRemoveListWidget->count();
|
||||
for (row = 0; row < rowCount; ++row) {
|
||||
xpathsToRemove.push_back(ui->xpathRemoveListWidget->item(row)->text().toUtf8().constData());
|
||||
}
|
||||
}
|
||||
|
||||
void PreviewFeedDialog::processXPath()
|
||||
{
|
||||
std::list<std::string> xpathsToUse;
|
||||
std::list<std::string> xpathsToRemove;
|
||||
|
||||
getXPaths(xpathsToUse, xpathsToRemove);
|
||||
|
||||
mDescriptionXPath = mDescription;
|
||||
std::string errorString;
|
||||
RsFeedReaderErrorState result = mFeedReader->processXPath(xpathsToUse, xpathsToRemove, mDescriptionXPath, errorString);
|
||||
setXPathInfo(FeedReaderStringDefs::errorString(result, errorString));
|
||||
|
||||
/* fill message */
|
||||
QString msgTxt = RsHtml().formatText(ui->msgText->document(), QString::fromUtf8(mDescriptionXPath.c_str()), RSHTML_FORMATTEXT_EMBED_LINKS);
|
||||
ui->msgText->setHtml(msgTxt);
|
||||
|
||||
/* fill structure */
|
||||
fillStructureTree();
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue