Wt examples  3.3.8
Public Member Functions | List of all members
ScatterPlotExample Class Reference
Charts example

A Widget that demonstrates a scatter plot. More...

#include <ChartsExample.h>

Inheritance diagram for ScatterPlotExample:
Inheritance graph
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Public Member Functions

 ScatterPlotExample (Wt::WContainerWidget *parent)
 Creates the scatter plot example. More...
 
- Public Member Functions inherited from Wt::WContainerWidget
 WContainerWidget (WContainerWidget *parent=0)
 
 ~WContainerWidget ()
 
void setLayout (WLayout *layout)
 
void setLayout (WLayout *layout, WFlags< AlignmentFlag > alignment)
 
WLayout * layout ()
 
virtual void addWidget (WWidget *widget)
 
virtual void insertBefore (WWidget *widget, WWidget *before)
 
virtual void insertWidget (int index, WWidget *widget)
 
virtual void removeWidget (WWidget *widget)
 
virtual void clear ()
 
virtual int indexOf (WWidget *widget) const
 
virtual WWidget * widget (int index) const
 
virtual int count () const
 
void setContentAlignment (WFlags< AlignmentFlag > contentAlignment)
 
void setPadding (const WLength &padding, WFlags< Side > sides=All)
 
WLength padding (Side side) const
 
WFlags< AlignmentFlag > contentAlignment () const
 
void setOverflow (Overflow overflow, WFlags< Orientation > orientation=(Horizontal|Vertical))
 
void setList (bool list, bool ordered=false)
 
bool isList () const
 
bool isUnorderedList () const
 
bool isOrderedList () const
 
EventSignal< WScrollEvent > & scrolled ()
 
int scrollTop () const
 
int scrollLeft () const
 
- Public Member Functions inherited from Wt::WInteractWidget
 WInteractWidget (WContainerWidget *parent=0)
 
EventSignal< WKeyEvent > & keyWentDown ()
 
EventSignal< WKeyEvent > & keyPressed ()
 
EventSignal< WKeyEvent > & keyWentUp ()
 
EventSignal & enterPressed ()
 
EventSignal & escapePressed ()
 
EventSignal< WMouseEvent > & clicked ()
 
EventSignal< WMouseEvent > & doubleClicked ()
 
EventSignal< WMouseEvent > & mouseWentDown ()
 
EventSignal< WMouseEvent > & mouseWentUp ()
 
EventSignal< WMouseEvent > & mouseWentOut ()
 
EventSignal< WMouseEvent > & mouseWentOver ()
 
EventSignal< WMouseEvent > & mouseMoved ()
 
EventSignal< WMouseEvent > & mouseDragged ()
 
EventSignal< WMouseEvent > & mouseWheel ()
 
EventSignal< WTouchEvent > & touchStarted ()
 
EventSignal< WTouchEvent > & touchEnded ()
 
EventSignal< WTouchEvent > & touchMoved ()
 
EventSignal< WGestureEvent > & gestureStarted ()
 
EventSignal< WGestureEvent > & gestureChanged ()
 
EventSignal< WGestureEvent > & gestureEnded ()
 
void setDraggable (const std::string &mimeType, WWidget *dragWidget=0, bool isDragWidgetOnly=false, WObject *sourceWidget=0)
 
void unsetDraggable ()
 
void setMouseOverDelay (int delay)
 
int mouseOverDelay () const
 
virtual void setPopup (bool popup)
 
virtual void load ()
 
virtual bool isEnabled () const
 
- Public Member Functions inherited from Wt::WWebWidget
 WWebWidget (WContainerWidget *parent=0)
 
virtual void setPositionScheme (PositionScheme scheme)
 
virtual PositionScheme positionScheme () const
 
virtual void setOffsets (const WLength &offset, WFlags< Side > sides=All)
 
virtual WLength offset (Side s) const
 
virtual void resize (const WLength &width, const WLength &height)
 
virtual WLength width () const
 
virtual WLength height () const
 
virtual void setMinimumSize (const WLength &width, const WLength &height)
 
virtual WLength minimumWidth () const
 
virtual WLength minimumHeight () const
 
virtual void setMaximumSize (const WLength &width, const WLength &height)
 
virtual WLength maximumWidth () const
 
virtual WLength maximumHeight () const
 
virtual void setLineHeight (const WLength &height)
 
virtual WLength lineHeight () const
 
virtual void setFloatSide (Side s)
 
virtual Side floatSide () const
 
virtual void setClearSides (WFlags< Side > sides)
 
virtual WFlags< Side > clearSides () const
 
virtual void setMargin (const WLength &margin, WFlags< Side > sides=All)
 
virtual WLength margin (Side side) const
 
virtual void setHiddenKeepsGeometry (bool enabled)
 
virtual bool hiddenKeepsGeometry () const
 
virtual void setHidden (bool hidden, const WAnimation &animation=WAnimation())
 
virtual bool isHidden () const
 
virtual bool isVisible () const
 
virtual void setDisabled (bool disabled)
 
virtual bool isDisabled () const
 
virtual bool isPopup () const
 
virtual void setInline (bool isInline)
 
virtual bool isInline () const
 
virtual void setDecorationStyle (const WCssDecorationStyle &style)
 
virtual WCssDecorationStyle & decorationStyle ()
 
virtual void setStyleClass (const WString &styleClass)
 
virtual WString styleClass () const
 
virtual void addStyleClass (const WString &styleClass, bool force=false)
 
virtual void removeStyleClass (const WString &styleClass, bool force=false)
 
virtual bool hasStyleClass (const WString &styleClass) const
 
virtual void setVerticalAlignment (AlignmentFlag alignment, const WLength &length=WLength())
 
virtual AlignmentFlag verticalAlignment () const
 
virtual WLength verticalAlignmentLength () const
 
virtual void setToolTip (const WString &text, TextFormat textFormat=PlainText)
 
virtual void setDeferredToolTip (bool enable, TextFormat textFormat=PlainText)
 
virtual WString toolTip () const
 
virtual void refresh ()
 
virtual void setAttributeValue (const std::string &name, const WString &value)
 
virtual WString attributeValue (const std::string &name) const
 
virtual void setJavaScriptMember (const std::string &name, const std::string &value)
 
virtual std::string javaScriptMember (const std::string &name) const
 
virtual void callJavaScriptMember (const std::string &name, const std::string &args)
 
virtual bool loaded () const
 
virtual void setId (const std::string &id)
 
virtual WWidget * find (const std::string &name)
 
virtual WWidget * findById (const std::string &id)
 
virtual void setSelectable (bool selectable)
 
virtual void doJavaScript (const std::string &javascript)
 
virtual const std::string id () const
 
void setLoadLaterWhenInvisible (bool)
 
std::string htmlTagName () const
 
void setHtmlTagName (const std::string &tag)
 
const std::vector< WWidget * > & children () const
 
Signal & childrenChanged ()
 
virtual void setCanReceiveFocus (bool enabled)
 
virtual bool canReceiveFocus () const
 
virtual bool setFirstFocus ()
 
virtual void setFocus (bool focus)
 
virtual bool hasFocus () const
 
virtual void setTabIndex (int index)
 
virtual int tabIndex () const
 
EventSignal & blurred ()
 
EventSignal & focussed ()
 
virtual bool scrollVisibilityEnabled () const WT_CXX11ONLY(finaloverride)
 
virtual void setScrollVisibilityEnabled (bool enabled) WT_CXX11ONLY(finaloverride)
 
virtual int scrollVisibilityMargin () const WT_CXX11ONLY(finaloverride)
 
virtual void setScrollVisibilityMargin (int margin) WT_CXX11ONLY(finaloverride)
 
virtual Signal< bool > & scrollVisibilityChanged () WT_CXX11ONLY(finaloverride)
 
virtual bool isScrollVisible () const WT_CXX11ONLY(finaloverride)
 
virtual void setThemeStyleEnabled (bool enabled)
 
virtual bool isThemeStyleEnabled () const
 
- Public Member Functions inherited from Wt::WWidget
virtual ~WWidget ()
 
WWidget * parent () const
 
virtual void removeChild (WObject *child)
 
void setWidth (const WLength &width)
 
void setHeight (const WLength &height)
 
virtual void positionAt (const WWidget *widget, Orientation orientation=Vertical)
 
virtual void toggleStyleClass (const WString &styleClass, bool add, bool force=false)
 
std::string jsRef () const
 
void setFocus ()
 
virtual void acceptDrops (const std::string &mimeType, const WString &hoverStyleClass=WString())
 
virtual void stopAcceptDrops (const std::string &mimeType)
 
virtual void setObjectName (const std::string &name)
 
virtual void htmlText (std::ostream &out)
 
bool isRendered () const
 
void hide ()
 
void animateHide (const WAnimation &animation)
 
void show ()
 
void animateShow (const WAnimation &animation)
 
void enable ()
 
void disable ()
 
bool layoutSizeAware () const
 
- Public Member Functions inherited from Wt::WObject
 WObject (WObject *parent=0)
 
virtual ~WObject ()
 
virtual std::string objectName () const
 
void resetLearnedSlots ()
 
void resetLearnedSlot (void(T::*method)())
 
WStatelessSlot * implementStateless (void(T::*method)())
 
WStatelessSlot * implementStateless (void(T::*method)(), void(T::*undoMethod)())
 
void isNotStateless ()
 
WStatelessSlot * implementJavaScript (void(T::*method)(), const std::string &jsCode)
 
void addChild (WObject *child)
 
const std::vector< WObject * > & children () const
 
WObject * parent () const
 

Additional Inherited Members

- Public Types inherited from Wt::WContainerWidget
enum  Overflow
 
- Public Types inherited from Wt::WObject
typedef void(WObject::* Method) ()
 
- Static Public Member Functions inherited from Wt::WWebWidget
static WString escapeText (const WString &text, bool newlinesToo=false)
 
static std::string & escapeText (std::string &text, bool newlinestoo=false)
 
static bool removeScript (WString &text)
 
static std::string jsStringLiteral (const std::string &v, char delimiter= '\'')
 
- Static Public Member Functions inherited from Wt::WWidget
static WString tr (const char *key)
 
- Public Attributes inherited from Wt::WContainerWidget
 OverflowVisible
 
 OverflowAuto
 
 OverflowHidden
 
 OverflowScroll
 
- Protected Member Functions inherited from Wt::WInteractWidget
virtual void propagateSetEnabled (bool enabled)
 
- Protected Member Functions inherited from Wt::WWebWidget
virtual void enableAjax ()
 
virtual WStatelessSlot * getStateless (Method method)
 
virtual void render (WFlags< RenderFlag > flags)
 
- Protected Member Functions inherited from Wt::WWidget
void setLayoutSizeAware (bool sizeAware)
 
virtual void layoutSizeChanged (int width, int height)
 
 WWidget (WContainerWidget *parent=0)
 
virtual void dropEvent (WDropEvent dropEvent)
 
virtual int boxPadding (Orientation orientation) const
 
virtual int boxBorder (Orientation orientation) const
 
void scheduleRender (WFlags< RepaintFlag > flags=0)
 
- Static Protected Member Functions inherited from Wt::WObject
static WObject * sender ()
 

Detailed Description

A Widget that demonstrates a scatter plot.

Definition at line 49 of file ChartsExample.h.

Constructor & Destructor Documentation

ScatterPlotExample::ScatterPlotExample ( Wt::WContainerWidget *  parent)

Creates the scatter plot example.

Definition at line 284 of file ChartsExample.C.

284  :
285  WContainerWidget(parent)
286 {
287  new WText(WString::tr("scatter plot 2"), this);
288 
289  WStandardItemModel *model = new WStandardItemModel(40, 2, this);
290  model->setItemPrototype(new NumericItem());
291  model->setHeaderData(0, WString("X"));
292  model->setHeaderData(1, WString("Y = sin(X)"));
293 
294  for (unsigned i = 0; i < 40; ++i) {
295  double x = (static_cast<double>(i) - 20) / 4;
296 
297  model->setData(i, 0, x);
298  model->setData(i, 1, sin(x));
299  }
300 
301  /*
302  * Create the scatter plot.
303  */
304  WCartesianChart *chart = new WCartesianChart(this);
305  chart->setModel(model); // set the model
306  chart->setXSeriesColumn(0); // set the column that holds the X data
307  chart->setLegendEnabled(true); // enable the legend
308  chart->setZoomEnabled(true);
309  chart->setPanEnabled(true);
310  chart->setCrosshairEnabled(true);
311 
312  chart->setBackground(WColor(200,200,200));
313 
314  chart->setType(ScatterPlot); // set type to ScatterPlot
315 
316  // Typically, for mathematical functions, you want the axes to cross
317  // at the 0 mark:
318  chart->axis(XAxis).setLocation(ZeroValue);
319  chart->axis(YAxis).setLocation(ZeroValue);
320 
321  // Automatically layout chart (space for axes, legend, ...)
322  chart->setAutoLayoutEnabled();
323 
324  // Add the curves
325  WDataSeries *s = new WDataSeries(1, CurveSeries);
326  s->setShadow(WShadow(3, 3, WColor(0, 0, 0, 127), 3));
327  chart->addSeries(s);
328 
329  chart->resize(800, 300); // WPaintedWidget must be given explicit size
330 
331  chart->setMargin(10, Top | Bottom); // add margin vertically
332  chart->setMargin(WLength::Auto, Left | Right); // center horizontally
333 
334  ChartConfig *config = new ChartConfig(chart, this);
335  config->setValueFill(ZeroValueFill);
336 }
Wt::Chart::WCartesianChart::setPanEnabled
void setPanEnabled(bool pan=true)
XAxis
XAxis
Wt::Chart::WAxis::setLocation
void setLocation(AxisValue value)
Wt::Chart::WCartesianChart::addSeries
void addSeries(const WDataSeries &series)
Wt::Chart::WCartesianChart::axis
WAxis & axis(Axis axis)
Wt::Chart::WDataSeries::setShadow
void setShadow(const WShadow &shadow)
Wt::Chart::WCartesianChart::setType
void setType(ChartType type)
Wt::WPaintedWidget::resize
virtual void resize(const WLength &width, const WLength &height)
ZeroValue
ZeroValue
Wt::Chart::WCartesianChart::setCrosshairEnabled
void setCrosshairEnabled(bool crosshair=true)
Wt::WStandardItemModel::setItemPrototype
void setItemPrototype(WStandardItem *item)
Wt::Chart::WCartesianChart::setZoomEnabled
void setZoomEnabled(bool zoom=true)
Wt::Chart::WAbstractChart::setBackground
void setBackground(const WBrush &background)
Wt::WWebWidget::setMargin
virtual void setMargin(const WLength &margin, WFlags< Side > sides=All)
Wt::Chart::WAbstractChart::setModel
void setModel(WAbstractItemModel *model)
Wt::Chart::WCartesianChart::setXSeriesColumn
void setXSeriesColumn(int modelColumn)
ChartConfig::setValueFill
void setValueFill(Wt::Chart::FillRangeType fill)
Definition: ChartConfig.C:435
YAxis
YAxis
Wt::Chart::WAbstractChart::setAutoLayoutEnabled
void setAutoLayoutEnabled(bool enabled=true)
ZeroValueFill
ZeroValueFill
Wt::WContainerWidget::WContainerWidget
WContainerWidget(WContainerWidget *parent=0)
CurveSeries
CurveSeries
ScatterPlot
ScatterPlot
Wt::WAbstractItemModel::setHeaderData
virtual bool setHeaderData(int section, Orientation orientation, const boost::any &value, int role=EditRole)
Wt::Chart::WCartesianChart::setLegendEnabled
void setLegendEnabled(bool enabled)
ChartConfig
A class that allows configuration of a cartesian chart.
Definition: ChartConfig.h:37
Wt::WAbstractItemModel::setData
virtual bool setData(const WModelIndex &index, const boost::any &value, int role=EditRole)
The documentation for this class was generated from the following files:
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