C++ QWebElement::removeAttribute方法代码示例

void EnmlFormatter::processTodo(QWebElement &node) {
    bool checked=false;
    if (node.hasAttribute("checked"))
        checked = true;
    node.removeAttribute("style");
    node.removeAttribute("type");
    removeInvalidAttributes(node);
    if (checked)
        node.setAttribute("checked", "true");
    node.setOuterXml(node.toOuterXml().replace("<input", "<en-todo").replace("</input", "</en-todo"));
}

int PhpWebView::click2(QWebElement elem, bool samewnd)
{
	if (elem.isNull())
		return 0;

	if (samewnd)
		elem.removeAttribute("target");

	QEventLoop loop;
	isNewViewCreated = false;
	isNewViewBegin = false;
	
	QString js = "var e = document.createEvent('MouseEvents');";
	//js += "e.initEvent( 'click', true, true );";
    js += "e.initMouseEvent( 'click', true, true, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);";
    js += "this.dispatchEvent(e);";
	elem.evaluateJavaScript(js);
	
	QTimer::singleShot(1000, &loop, SLOT(quit()));
	loop.exec();
	
	while (browser && isNewViewBegin && !isNewViewCreated)
		loop.processEvents();

	return 1;
}

void EnmlFormatter::fixObjectNode(QWebElement &e) {
    QString type = e.attribute("type", "");
    if (type == "application/pdf") {
        qint32 lid = e.attribute("lid", "0").toInt();
        e.removeAttribute("width");
        e.removeAttribute("height");
        e.removeAttribute("lid");
        e.removeAttribute("border");
        if (lid>0) {
            resources.append(lid);
             e.setOuterXml(e.toOuterXml().replace("<object", "<en-media").replace("</object", "</en-media"));
        }
        removeInvalidAttributes(e);
    } else {
        e.removeFromDocument();
    }
}

void EnmlFormatter::removeInvalidAttributes(QWebElement &node) {
    // Remove any invalid attributes
    QStringList attributes = node.attributeNames();
    for (int i=0; i<attributes.size(); i++) {
        if (!isAttributeValid(attributes[i])) {
            node.removeAttribute(attributes[i]);
        }
    }
}

void EnmlFormatter::fixLinkNode(QWebElement e) {
    QString enTag = e.attribute("en-tag", "");
    if (enTag.toLower() == "en-media") {
        resources.append(e.attribute("lid").toInt());
        e.removeAttribute("style");
        e.removeAttribute("href");
        e.removeAttribute("title");
        removeInvalidAttributes(e);
        e.removeAllChildren();
        QString newXml = e.toOuterXml();
        newXml.replace("<a", "<en-media");
        newXml.replace("</a>", "</en-media>");
        e.setOuterXml(newXml);
    }
    QString latex = e.attribute("href", "");
    if (latex.toLower().startsWith("latex://")) {
        removeInvalidAttributes(e);
        e.removeAttribute("title");
        e.removeAttribute("href");
        e.setOuterXml(e.toInnerXml());
    }
    removeInvalidAttributes(e);
}

// Modify the en-to tag into an input field
void NoteFormatter::modifyTodoTags(QWebElement &todo) {
    todo.setAttribute("type", "checkbox");

    // Checks the en-to tag wheter or not the todo-item is checked or not
    // and sets up the HTML to keep storing the information in value
    QString checked = todo.attribute("checked");
    if (checked.toLower() == "true")
        todo.setAttribute("checked", "checked");
    else
        todo.removeAttribute("checked");

    todo.setAttribute("onClick", "if(!checked) removeAttribute('checked'); else setAttribute('checked', 'checked'); editorWindow.editAlert();");
    todo.setAttribute("style", "cursor: hand;");
    todo.setOuterXml(todo.toOuterXml().replace("en-todo","input"));
}

void EnmlFormatter::fixImgNode(QWebElement &e) {
    QString enType = e.attribute("en-tag", "");

    // Check if we have an en-crypt tag.  Change it from an img to en-crypt
    if (enType.toLower() == "en-crypt") {
        QString encrypted = e.attribute("alt");
        QString cipher = e.attribute("cipher", "RC2");
        QString hint = e.attribute("hint", "");
        QString length = e.attribute("length", "64");
        e.removeAttribute("onmouseover");
        e.removeAttribute("name");
        e.removeAttribute("alt");
        e.removeAttribute("en-tag");
        e.removeAttribute("contenteditable");
        e.removeAttribute("style");
        removeInvalidAttributes(e);
        e.setInnerXml(encrypted);
        e.setOuterXml("<en-crypt cipher=\"" +cipher +"\" length=\"" +
                      length + "\" hint=\"" +hint
                      +"\">"+encrypted+"</en-crypt>");
//        e.setOuterXml(e.toOuterXml().replace("<img", "<en-crypt").replace("</img", "</en-crypt"));
        return;
    }

    // Check if we have a temporary image.  If so, remove it
    if (enType.toLower() ==  "temporary") {;
        e.removeFromDocument();
        return;
    }


    // Latex images are really just img tags, so we now handle them later
    // Check if we have a LaTeX image.  Remove the parent link tag
//    if (enType.toLower() ==  "en-latex") {
//        enType = "en-media";
//        parent.parentNode().replaceChild(e, parent);
//    }


    // If we've gotten this far, we have an en-media tag
    e.removeAttribute("en-tag");
    int lid = e.attribute("lid").toInt();
    resources.append(lid);
    removeInvalidAttributes(e);
    e.setOuterXml(e.toOuterXml().replace("<img", "<en-media").replace("</img", "</en-media"));
}

void EnmlFormatter::fixEnCryptNode(QWebElement &e) {
    QString crypt = e.attribute("value");
    e.removeAttribute("value");
    QDomText cryptValue = doc.createTextNode(crypt);
    //e.appendChild(cryptValue);
}

// Modify the en-media tag into an attachment
void NoteFormatter::modifyApplicationTags(QWebElement &enmedia, QString &hash, QString appl) {
    if (appl.toLower() == "vnd.evernote.ink") {
            inkNote = true;
            readOnly = true;
            buildInkNote(enmedia, hash);
            return;
    }
    ResourceTable resTable(global.db);
    QString contextFileName;
    qint32 resLid = resTable.getLidByHashHex(note.guid, hash);
    Resource r;
    resTable.get(r, resLid, false);
    if (!r.data.isSet())
        resourceError = true;
    else {

        // If we are running the formatter and we are not generating a thumbnail
        QString mimetype = "";
        if (r.mime.isSet())
            mimetype = r.mime;
        if (mimetype == "application/pdf" && pdfPreview && !thumbnail) {
           modifyPdfTags(resLid, enmedia);
           return;
        }

        // If we are running the formatter so we can generate a thumbnail and it is a PDF
        if (mimetype == "application/pdf" && pdfPreview && thumbnail) {
            QString printImageFile = global.fileManager.getTmpDirPath() + QString::number(resLid) +QString("-print.jpg");
            QString file = global.fileManager.getDbaDirPath() + QString::number(resLid) +".pdf";
            Poppler::Document *doc;
            doc = Poppler::Document::load(file);
            if (doc == NULL)
                return;

            QImage *image = new QImage(doc->page(0)->renderToImage());
            image->save(printImageFile,"jpg");
            delete image;

            enmedia.setAttribute("src", printImageFile);
            enmedia.removeAttribute("hash");
            enmedia.removeAttribute("type");
            enmedia.setOuterXml(enmedia.toOuterXml().replace("<en-media","<img"));
            enmedia.setOuterXml(enmedia.toOuterXml().replace("</en-media>","</img>"));
            return;
        }
        QString fileDetails = "";
        MimeReference ref;
        ResourceAttributes attributes;
        if (r.attributes.isSet())
            attributes = r.attributes;
        if (attributes.fileName.isSet())
            fileDetails = ref.getExtensionFromMime(r.mime, fileDetails);

        enmedia.setAttribute("href", QString("nnres:") +global.fileManager.getDbaDirPath()+QString::number(resLid)
                             +fileDetails);
        contextFileName = global.fileManager.getTmpDirPath("")+QString::number(resLid) +global.attachmentNameDelimeter + fileDetails;

        // Setup the context menu.  This is useful if we want to do a "save as" or such
        contextFileName = contextFileName.replace("\\", "/");
        enmedia.setAttribute("onContextMenu", "window.browserWindow.resourceContextMenu('" +contextFileName +"');");
        enmedia.setAttribute("en-tag", "en-media");
        enmedia.setAttribute("lid", QString::number(resLid));

        enmedia.appendInside("<img/>");
        QWebElement newText = enmedia.lastChild();

        // Build an icon of the image
        QString fileExt;
        if (attributes.fileName.isSet())
            fileExt = attributes.fileName;
        else
            fileExt = appl;
        QString fn;
        QString mime;
        if (attributes.fileName.isSet())
            fn = attributes.fileName;
        if (r.mime.isSet())
            mime = r.mime;
        fileExt = ref.getExtensionFromMime(mime, fn);
        QString icon = findIcon(resLid, r, fileExt);
        newText.setAttribute("src", "file:///"+icon);
        if (attributes.fileName.isSet())
            newText.setAttribute("title",attributes.fileName);
        newText.setAttribute("en-tag", "temporary");
        //Rename the tag to a <a> link
        enmedia.setOuterXml(enmedia.toOuterXml().replace("<en-media","<a"));
        enmedia.setOuterXml(enmedia.toOuterXml().replace("</en-media>","</a>"));
    }
}

int PhpWebView::click(const QString & xpath, bool samewnd)
{
	QWebElement elem = getElementByXPath(QString(xpath));
	
	if (elem.isNull())
		return 0;

	elem.setFocus();

	if (samewnd)
		elem.removeAttribute("target");

	QString js = "var node = this; var x = node.offsetLeft; var y = node.offsetTop; ";
	js += "var w = node.offsetWidth/2; ";
	js += "var h = node.offsetHeight/2; ";
	js += "while (node.offsetParent != null) { ";
	js += "   node = node.offsetParent; ";
	js += "   x += node.offsetLeft; ";
	js += "   y += node.offsetTop; ";
	js += "} ";
	js += "[x+w, y+h]; ";
	QList<QVariant> vlist = elem.evaluateJavaScript(js).toList();
	QPoint point;
	point.setX(vlist.at(0).toInt());
	point.setY(vlist.at(1).toInt());

	QRect elGeom = elem.geometry();
	QPoint elPoint = elGeom.center();
	int elX = point.x(); //elPoint.x();
	int elY = point.y(); //elPoint.y();
	int webWidth = width();
	int webHeight = height();
	int pixelsToScrollRight=0;
	int pixelsToScrollDown=0;
	if (elX > webWidth)
		pixelsToScrollRight = elX-webWidth+elGeom.width()/2+50; //the +10 part if for the page to scroll a bit further
	if (elY > webHeight)
		pixelsToScrollDown = elY-webHeight+elGeom.height()/2+50; //the +10 part if for the page to scroll a bit further
	
	/*pixelsToScrollRight = elX-elGeom.width()/2-50;
	pixelsToScrollDown = elY-elGeom.height()/2-50;

	if (pixelsToScrollRight < 0)
		pixelsToScrollRight = 0;
	if (pixelsToScrollRight > page()->mainFrame()->scrollBarMaximum(Qt::Horizontal))
		pixelsToScrollRight = page()->mainFrame()->scrollBarMaximum(Qt::Horizontal);
	if (pixelsToScrollDown < 0)
		pixelsToScrollDown = 0;
	if (pixelsToScrollDown > page()->mainFrame()->scrollBarMaximum(Qt::Vertical))
		pixelsToScrollDown = page()->mainFrame()->scrollBarMaximum(Qt::Vertical);*/

	int oldHoriz = page()->mainFrame()->scrollBarValue(Qt::Horizontal);
	int oldVert = page()->mainFrame()->scrollBarValue(Qt::Vertical);

	page()->mainFrame()->setScrollBarValue(Qt::Horizontal, pixelsToScrollRight);
	page()->mainFrame()->setScrollBarValue(Qt::Vertical, pixelsToScrollDown);
	QPoint pointToClick(elX-pixelsToScrollRight, elY-pixelsToScrollDown);

	QEventLoop loop;
	isNewViewCreated = false;
	isNewViewBegin = false;
	
	//QMouseEvent *pressEvent = new QMouseEvent(QMouseEvent::MouseButtonPress, pointToClick, Qt::LeftButton, Qt::LeftButton, Qt::NoModifier);
	//QApplication::postEvent(browser, pressEvent);
	//QApplication::processEvents();

	//QMouseEvent releaseEvent(QMouseEvent::MouseButtonRelease,pointToClick,Qt::LeftButton,Qt::LeftButton,Qt::NoModifier);
	//QApplication::sendEvent(browser, &releaseEvent);

	QString js2 = "var e = document.createEvent('MouseEvents');";
    //js2 += "e.initEvent( 'click', true, true );";
	//js2 += "e.initMouseEvent('click', true, true, window, 0, 0, 0, "+QString::number(elX)+", "+QString::number(elY)+", false, false, false, false, 0, null);";
	js2 += "e.initMouseEvent('click', true, true, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);";
    js2 += "this.dispatchEvent(e);";
	elem.evaluateJavaScript(js2);
	
	QTimer::singleShot(1000, &loop, SLOT(quit()));
	loop.exec();
	
	while (browser && isNewViewBegin && !isNewViewCreated)
		loop.processEvents();

	//page()->mainFrame()->setScrollBarValue(Qt::Horizontal, oldHoriz);
	//page()->mainFrame()->setScrollBarValue(Qt::Vertical, oldVert);
	return 1;
}

void ShadowGUI::setNumBlocks(int count, int nTotalBlocks)
{
    QWebElement blocksIcon  = documentFrame->findFirstElement("#blocksIcon");
    QWebElement syncingIcon = documentFrame->findFirstElement("#syncingIcon");
    QWebElement syncProgressBar = documentFrame->findFirstElement("#syncProgressBar");

    // don't show / hide progress bar and its label if we have no connection to the network
    if (!clientModel || clientModel->getNumConnections() == 0)
    {
        syncProgressBar.setAttribute("style", "display:none;");

        return;
    }

    // -- translation (tr()) makes it difficult to neatly pick block/header
    static QString sBlockType = nNodeMode == NT_FULL ? tr("block") : tr("header");
    static QString sBlockTypeMulti = nNodeMode == NT_FULL ? tr("blocks") : tr("headers");

    QString strStatusBarWarnings = clientModel->getStatusBarWarnings();
    QString tooltip;

    if (nNodeMode != NT_FULL
        && nNodeState == NS_GET_FILTERED_BLOCKS)
    {
        tooltip = tr("Synchronizing with network...");
                + "\n"
                + tr("Downloading filtered blocks...");

        int nRemainingBlocks = nTotalBlocks - pwalletMain->nLastFilteredHeight;
        float nPercentageDone = pwalletMain->nLastFilteredHeight / (nTotalBlocks * 0.01f);

        tooltip += "\n"
                 + tr("~%1 filtered block(s) remaining (%2% done).").arg(nRemainingBlocks).arg(nPercentageDone);

        count = pwalletMain->nLastFilteredHeight;
        syncProgressBar.removeAttribute("style");
    } else
    if (count < nTotalBlocks)
    {
        int nRemainingBlocks = nTotalBlocks - count;
        float nPercentageDone = count / (nTotalBlocks * 0.01f);
        syncProgressBar.removeAttribute("style");

        if (strStatusBarWarnings.isEmpty())
        {
            bridge->networkAlert("");
            tooltip = tr("Synchronizing with network...");

            if (nNodeMode == NT_FULL)
            {
                tooltip += "\n"
                         + tr("~%n block(s) remaining", "", nRemainingBlocks);
            } else
            {
                char temp[128];
                snprintf(temp, sizeof(temp), "~%%n %s remaining", nRemainingBlocks == 1 ? qPrintable(sBlockType) : qPrintable(sBlockTypeMulti));

                tooltip += "\n"
                         + tr(temp, "", nRemainingBlocks);

            };
        }

        tooltip += (tooltip.isEmpty()? "" : "\n")
                 + tr("Downloaded %1 of %2 %3 of transaction history (%4% done).").arg(count).arg(nTotalBlocks).arg(sBlockTypeMulti).arg(nPercentageDone, 0, 'f', 2);
    }
    else
    {
        tooltip = tr("Downloaded %1 blocks of transaction history.").arg(count);
    }

    // Override progressBarLabel text when we have warnings to display
    if (!strStatusBarWarnings.isEmpty())
        bridge->networkAlert(strStatusBarWarnings);

    QDateTime lastBlockDate;
    if (nNodeMode == NT_FULL)
        lastBlockDate = clientModel->getLastBlockDate();
    else
        lastBlockDate = clientModel->getLastBlockThinDate();

    int secs = lastBlockDate.secsTo(QDateTime::currentDateTime());
    QString text;

    // Represent time from last generated block in human readable text
    if (secs <= 0)
    {
        // Fully up to date. Leave text empty.
    } else
    if (secs < 60)
    {
        text = tr("%n second(s) ago","",secs);
    } else
    if (secs < 60*60)
    {
        text = tr("%n minute(s) ago","",secs/60);
    } else
    if (secs < 24*60*60)
    {
        text = tr("%n hour(s) ago","",secs/(60*60));
//.........这里部分代码省略.........