16 #ifndef QGSLAYOUTITEMHTML_H 17 #define QGSLAYOUTITEMHTML_H 19 #include "qgis_core.h" 58 int type()
const override;
59 QIcon
icon()
const override;
89 void setUrl(
const QUrl &url );
97 QUrl
url()
const {
return mUrl; }
108 void setHtml(
const QString &html );
116 QString
html()
const {
return mHtml; }
134 void setEvaluateExpressions(
bool evaluateExpressions );
148 void setUseSmartBreaks(
bool useSmartBreaks );
160 void setMaxBreakDistance(
double distance );
181 void setUserStylesheet(
const QString &stylesheet );
196 void setUserStylesheetEnabled(
const bool enabled );
237 std::unique_ptr< QgsWebPage > mWebPage;
239 QString mFetchedHtml;
240 QString mLastFetchedUrl;
241 QString mActualFetchedUrl;
243 double mHtmlUnitsToLayoutUnits = 1.0;
244 QImage mRenderedPage;
245 bool mEvaluateExpressions =
true;
246 bool mUseSmartBreaks =
true;
247 double mMaxBreakDistance = 10.0;
253 QString mUserStylesheet;
254 bool mEnableUserStylesheet =
false;
257 QString mAtlasFeatureJSON;
261 double htmlUnitsToLayoutUnits();
264 void renderCachedImage();
267 QString fetchHtml(
const QUrl &url );
273 double maxFrameWidth()
const;
275 void refreshExpressionContext();
280 class JavascriptExecutorLoop :
public QEventLoop
286 void execIfNotDone();
296 #endif // QGSLAYOUTITEMHTML_H The class is used as a container of context for various read/write operations on other objects...
ContentMode
Source modes for the HTML content to render in the item.
virtual QSizeF totalSize() const =0
Returns the total size of the multiframe's content, in layout units.
virtual QIcon icon() const
Returns the item's icon.
ContentMode contentMode() const
Returns the source mode for item's HTML content.
virtual bool writePropertiesToElement(QDomElement &element, QDomDocument &document, const QgsReadWriteContext &context) const
Stores multiframe state within an XML DOM element.
QString userStylesheet() const
Returns the user stylesheet CSS rules used while rendering the HTML content.
The feature class encapsulates a single feature including its id, geometry and a list of field/values...
QString html() const
Returns the HTML source displayed in the item if the item is using the QgsLayoutItemHtml::ManualHtml ...
Abstract base class for layout items with the ability to distribute the content to several frames (Qg...
HTTP network content fetcher.
Using this mode item fetches its content via a url.
Expression contexts are used to encapsulate the parameters around which a QgsExpression should be eva...
Base class for layouts, which can contain items such as maps, labels, scalebars, etc.
void setContentMode(ContentMode mode)
Sets the source mode for item's HTML content.
virtual void recalculateFrameSizes()
Recalculates the portion of the multiframe item which is shown in each of its component frames...
Contains settings and helpers relating to a render of a QgsLayoutItem.
virtual bool readPropertiesFromElement(const QDomElement &element, const QDomDocument &document, const QgsReadWriteContext &context)
Sets multiframe state from a DOM element.
bool useSmartBreaks() const
Returns whether html item is using smart breaks.
A general purpose distance and area calculator, capable of performing ellipsoid based calculations...
virtual QString displayName() const
Returns the multiframe display name.
virtual void render(QgsLayoutItemRenderContext &context, const QRectF &renderExtent, int frameIndex)=0
Renders a portion of the multiframe's content into a render context.
virtual double findNearbyPageBreak(double yPos)
Finds the optimal position to break a frame at.
virtual int type() const =0
Returns unique multiframe type id.
double maxBreakDistance() const
Returns the maximum distance allowed when calculating where to place page breaks in the html...
virtual void refreshDataDefinedProperty(const QgsLayoutObject::DataDefinedProperty property=QgsLayoutObject::AllProperties)
Refreshes a data defined property for the multi frame by reevaluating the property's value and redraw...
bool evaluateExpressions() const
Returns whether html item will evaluate QGIS expressions prior to rendering the HTML content...
Represents a vector layer which manages a vector based data sets.
DataDefinedProperty
Data defined properties for different item types.
A layout multiframe subclass for HTML content.
QWebPage subclass which redirects JavaScript errors and console output to the QGIS message log...
bool userStylesheetEnabled() const
Returns whether user stylesheets are enabled for the HTML content.
QUrl url() const
Returns the URL of the content displayed in the item if the item is using the QgsLayoutItemHtml::Url ...