Wt examples  3.3.0
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 ()
 
- 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 setMouseOverDelay (int delay)
 
int mouseOverDelay () const
 
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 void setPopup (bool popup)
 
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 const 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 setTabIndex (int index)
 
virtual int tabIndex () const
 
virtual void setId (const std::string &id)
 
virtual WWidget * find (const std::string &name)
 
virtual void setSelectable (bool selectable)
 
virtual void doJavaScript (const std::string &javascript)
 
virtual const std::string id () const
 
void setLoadLaterWhenInvisible (bool)
 
const std::vector< WWidget * > & children () const
 
Signal & childrenChanged ()
 
bool isRendered () const
 
- Public Member Functions inherited from Wt::WWidget
virtual ~WWidget ()
 
WWidget * parent () const
 
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
 
virtual void acceptDrops (const std::string &mimeType, const WString &hoverStyleClass=WString())
 
virtual void stopAcceptDrops (const std::string &mimeType)
 
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 ()
 
void setObjectName (const std::string &name)
 
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)())
 
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
 
- 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= '\'')
 
- Public Attributes inherited from Wt::WContainerWidget
 OverflowVisible
 
 OverflowAuto
 
 OverflowHidden
 
 OverflowScroll
 
- Protected Member Functions inherited from Wt::WInteractWidget
virtual void propagateSetEnabled (bool enabled)
 
- 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 252 of file ChartsExample.C.

253  :
254  WContainerWidget(parent)
255 {
256  new WText(WString::tr("scatter plot 2"), this);
257 
258  WStandardItemModel *model = new WStandardItemModel(40, 2, this);
259  model->setHeaderData(0, WString("X"));
260  model->setHeaderData(1, WString("Y = sin(X)"));
261 
262  for (unsigned i = 0; i < 40; ++i) {
263  double x = (static_cast<double>(i) - 20) / 4;
264 
265  model->setData(i, 0, x);
266  model->setData(i, 1, sin(x));
267  }
268 
269  /*
270  * Create the scatter plot.
271  */
272  WCartesianChart *chart = new WCartesianChart(this);
273  chart->setModel(model); // set the model
274  chart->setXSeriesColumn(0); // set the column that holds the X data
275  chart->setLegendEnabled(true); // enable the legend
276 
277  chart->setType(ScatterPlot); // set type to ScatterPlot
278 
279  // Typically, for mathematical functions, you want the axes to cross
280  // at the 0 mark:
281  chart->axis(XAxis).setLocation(ZeroValue);
282  chart->axis(YAxis).setLocation(ZeroValue);
283 
284  // Provide space for the X and Y axis and title.
285  chart->setPlotAreaPadding(80, Left);
286  chart->setPlotAreaPadding(40, Top | Bottom);
287 
288  // Add the curves
289  WDataSeries s(1, CurveSeries);
290  s.setShadow(WShadow(3, 3, WColor(0, 0, 0, 127), 3));
291  chart->addSeries(s);
292 
293  chart->resize(800, 300); // WPaintedWidget must be given explicit size
294 
295  chart->setMargin(10, Top | Bottom); // add margin vertically
296  chart->setMargin(WLength::Auto, Left | Right); // center horizontally
297 
298  ChartConfig *config = new ChartConfig(chart, this);
299  config->setValueFill(ZeroValueFill);
}
The documentation for this class was generated from the following files:
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