void QgsComposerHtml::loadHtml()
{
if ( !mWebPage || mUrl.isEmpty() )
{
return;
}
mLoaded = false;
mWebPage->mainFrame()->load( mUrl );
while ( !mLoaded )
{
qApp->processEvents();
}
if ( frameCount() < 1 ) return;
QSize contentsSize = mWebPage->mainFrame()->contentsSize();
contentsSize.setWidth( mFrameItems.at( 0 )->boundingRect().width() * mHtmlUnitsToMM );
mWebPage->setViewportSize( contentsSize );
mWebPage->mainFrame()->setScrollBarPolicy( Qt::Horizontal, Qt::ScrollBarAlwaysOff );
mWebPage->mainFrame()->setScrollBarPolicy( Qt::Vertical, Qt::ScrollBarAlwaysOff );
mSize.setWidth( contentsSize.width() / mHtmlUnitsToMM );
mSize.setHeight( contentsSize.height() / mHtmlUnitsToMM );
renderCachedImage();
recalculateFrameSizes();
emit changed();
}
void QgsComposerHtml::recalculateFrameSizes()
{
if ( frameCount() < 1 ) return;
QSize contentsSize = mWebPage->mainFrame()->contentsSize();
//find maximum frame width
double maxFrameWidth = 0;
QList<QgsComposerFrame*>::const_iterator frameIt = mFrameItems.constBegin();
for ( ; frameIt != mFrameItems.constEnd(); ++frameIt )
{
maxFrameWidth = qMax( maxFrameWidth, ( *frameIt )->boundingRect().width() );
}
//set content width to match maximum frame width
contentsSize.setWidth( maxFrameWidth * mHtmlUnitsToMM );
mWebPage->setViewportSize( contentsSize );
mSize.setWidth( contentsSize.width() / mHtmlUnitsToMM );
mSize.setHeight( contentsSize.height() / mHtmlUnitsToMM );
if ( contentsSize.isValid() )
{
renderCachedImage();
}
QgsComposerMultiFrame::recalculateFrameSizes();
emit changed();
}
void QgsComposerHtml::recalculateFrameSizes()
{
if ( frameCount() < 1 ) return;
QSize contentsSize = mWebPage->mainFrame()->contentsSize();
//find maximum frame width
double maxWidth = maxFrameWidth();
//set content width to match maximum frame width
contentsSize.setWidth( maxWidth * mHtmlUnitsToMM );
mWebPage->setViewportSize( contentsSize );
mSize.setWidth( contentsSize.width() / mHtmlUnitsToMM );
mSize.setHeight( contentsSize.height() / mHtmlUnitsToMM );
if ( contentsSize.isValid() )
{
renderCachedImage();
}
QgsComposerMultiFrame::recalculateFrameSizes();
emit changed();
}
void QgsComposerHtml::loadHtml()
{
if ( !mWebPage )
{
return;
}
QString loadedHtml;
switch ( mContentMode )
{
case QgsComposerHtml::Url:
{
QString currentUrl = mUrl.toString();
//data defined url set?
QVariant exprVal;
if ( dataDefinedEvaluate( QgsComposerObject::SourceUrl, exprVal ) )
{
currentUrl = exprVal.toString().trimmed();;
QgsDebugMsg( QString( "exprVal Source Url:%1" ).arg( currentUrl ) );
}
if ( currentUrl.isEmpty() )
{
return;
}
if ( currentUrl != mLastFetchedUrl )
{
loadedHtml = fetchHtml( QUrl( currentUrl ) );
mLastFetchedUrl = currentUrl;
}
else
{
loadedHtml = mFetchedHtml;
}
break;
}
case QgsComposerHtml::ManualHtml:
loadedHtml = mHtml;
break;
}
//evaluate expressions
if ( mEvaluateExpressions )
{
loadedHtml = QgsExpression::replaceExpressionText( loadedHtml, mExpressionFeature, mExpressionLayer );
}
mLoaded = false;
//set html, using the specified url as base if in Url mode
mWebPage->mainFrame()->setHtml( loadedHtml, mContentMode == QgsComposerHtml::Url ? QUrl( mActualFetchedUrl ) : QUrl() );
//set user stylesheet
QWebSettings* settings = mWebPage->settings();
if ( mEnableUserStylesheet && ! mUserStylesheet.isEmpty() )
{
QByteArray ba;
ba.append( mUserStylesheet.toUtf8() );
QUrl cssFileURL = QUrl( "data:text/css;charset=utf-8;base64," + ba.toBase64() );
settings->setUserStyleSheetUrl( cssFileURL );
}
else
{
settings->setUserStyleSheetUrl( QUrl() );
}
while ( !mLoaded )
{
qApp->processEvents();
}
if ( frameCount() < 1 ) return;
QSize contentsSize = mWebPage->mainFrame()->contentsSize();
//find maximum frame width
double maxFrameWidth = 0;
QList<QgsComposerFrame*>::const_iterator frameIt = mFrameItems.constBegin();
for ( ; frameIt != mFrameItems.constEnd(); ++frameIt )
{
maxFrameWidth = qMax( maxFrameWidth, ( *frameIt )->boundingRect().width() );
}
//set content width to match maximum frame width
contentsSize.setWidth( maxFrameWidth * mHtmlUnitsToMM );
mWebPage->setViewportSize( contentsSize );
mWebPage->mainFrame()->setScrollBarPolicy( Qt::Horizontal, Qt::ScrollBarAlwaysOff );
mWebPage->mainFrame()->setScrollBarPolicy( Qt::Vertical, Qt::ScrollBarAlwaysOff );
mSize.setWidth( contentsSize.width() / mHtmlUnitsToMM );
mSize.setHeight( contentsSize.height() / mHtmlUnitsToMM );
renderCachedImage();
recalculateFrameSizes();
emit changed();
//trigger a repaint
emit contentsChanged();
}
