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

A Widget that demonstrates a Pie chart. More...

#include <ChartsExample.h>

Inheritance diagram for PieExample:
Inheritance graph
[legend]

Public Member Functions

 PieExample (Wt::WContainerWidget *parent)
 Creates the pie chart 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 Pie chart.

Definition at line 59 of file ChartsExample.h.

Constructor & Destructor Documentation

PieExample::PieExample ( Wt::WContainerWidget *  parent)

Creates the pie chart example.

Definition at line 338 of file ChartsExample.C.

338  :
339  WContainerWidget(parent)
340 {
341  new WText(WString::tr("pie chart"), this);
342 
343  WStandardItemModel *model = new WStandardItemModel(this);
344  model->setItemPrototype(new NumericItem());
345 
346  //headers
347  model->insertColumns(model->columnCount(), 2);
348  model->setHeaderData(0, WString("Item"));
349  model->setHeaderData(1, WString("Sales"));
350 
351  //data
352  model->insertRows(model->rowCount(), 6);
353  int row = 0;
354  model->setData(row, 0, WString("Blueberry"));
355  model->setData(row, 1, 120);
356  // model->setData(row, 1, WString("Blueberry"), ToolTipRole);
357  row++;
358  model->setData(row, 0, WString("Cherry"));
359  model->setData(row, 1, 30);
360  row++;
361  model->setData(row, 0, WString("Apple"));
362  model->setData(row, 1, 260);
363  row++;
364  model->setData(row, 0, WString("Boston Cream"));
365  model->setData(row, 1, 160);
366  row++;
367  model->setData(row, 0, WString("Other"));
368  model->setData(row, 1, 40);
369  row++;
370  model->setData(row, 0, WString("Vanilla Cream"));
371  model->setData(row, 1, 120);
372  row++;
373 
374  //set all items to be editable and selectable
375  for (int row = 0; row < model->rowCount(); ++row)
376  for (int col = 0; col < model->columnCount(); ++col)
377  model->item(row, col)->setFlags(ItemIsSelectable | ItemIsEditable);
378 
379  WContainerWidget *w = new WContainerWidget(this);
380  WTableView* table = new WTableView(w);
381 
382  table->setMargin(10, Top | Bottom);
383  table->setMargin(WLength::Auto, Left | Right);
384  table->setSortingEnabled(true);
385  table->setModel(model);
386  table->setColumnWidth(1, 100);
387  table->setRowHeight(22);
388 
389  if (WApplication::instance()->environment().ajax()) {
390  table->resize(150 + 100 + 14, 20 + 6 * 22);
391  table->setEditTriggers(WAbstractItemView::SingleClicked);
392  } else {
393  table->resize(150 + 100 + 14, WLength::Auto);
394  table->setEditTriggers(WAbstractItemView::NoEditTrigger);
395  }
396 
397  /*
398  * Create the pie chart.
399  */
400  WPieChart *chart = new WPieChart(this);
401  chart->setModel(model); // set the model
402  chart->setLabelsColumn(0); // set the column that holds the labels
403  chart->setDataColumn(1); // set the column that holds the data
404 
405  // configure location and type of labels
406  chart->setDisplayLabels(Outside | TextLabel | TextPercentage);
407 
408  // enable a 3D and shadow effect
409  chart->setPerspectiveEnabled(true, 0.2);
410  chart->setShadowEnabled(true);
411 
412  // explode the first item
413  chart->setExplode(0, 0.3);
414 
415  chart->resize(800, 300); // WPaintedWidget must be given an explicit size
416 
417  chart->setMargin(10, Top | Bottom); // add margin vertically
418  chart->setMargin(WLength::Auto, Left | Right); // center horizontally
419 }
Wt::Chart::WPieChart::setExplode
void setExplode(int modelRow, double factor)
Wt::WAbstractItemModel::insertColumns
virtual bool insertColumns(int column, int count, const WModelIndex &parent=WModelIndex())
Wt::WCompositeWidget::setMargin
virtual void setMargin(const WLength &margin, WFlags< Side > sides=All)
TextLabel
TextLabel
Wt::Chart::WPieChart::setLabelsColumn
void setLabelsColumn(int column)
Wt::WTableView::setColumnWidth
virtual void setColumnWidth(int column, const WLength &width)
ItemIsEditable
ItemIsEditable
Wt::WAbstractItemModel::insertRows
virtual bool insertRows(int row, int count, const WModelIndex &parent=WModelIndex())
Wt::Chart::WPieChart::setDisplayLabels
void setDisplayLabels(WFlags< LabelOption > options)
Wt::WPaintedWidget::resize
virtual void resize(const WLength &width, const WLength &height)
Wt::WAbstractItemModel::rowCount
virtual int rowCount(const WModelIndex &parent=WModelIndex()) const =0
Wt::Chart::WPieChart::setPerspectiveEnabled
void setPerspectiveEnabled(bool enabled, double height=1.0)
Wt::WTableView::resize
virtual void resize(const WLength &width, const WLength &height)
Wt::WStandardItemModel::setItemPrototype
void setItemPrototype(WStandardItem *item)
Wt::WWebWidget::setMargin
virtual void setMargin(const WLength &margin, WFlags< Side > sides=All)
Wt::Chart::WAbstractChart::setModel
void setModel(WAbstractItemModel *model)
Outside
Outside
Wt::WAbstractItemModel::columnCount
virtual int columnCount(const WModelIndex &parent=WModelIndex()) const =0
Wt::WAbstractItemView::setEditTriggers
void setEditTriggers(WFlags< EditTrigger > editTriggers)
Wt::Chart::WPieChart::setShadowEnabled
void setShadowEnabled(bool enabled)
Wt::WContainerWidget::WContainerWidget
WContainerWidget(WContainerWidget *parent=0)
Wt::WAbstractItemModel::setHeaderData
virtual bool setHeaderData(int section, Orientation orientation, const boost::any &value, int role=EditRole)
Wt::Chart::WPieChart::setDataColumn
void setDataColumn(int modelColumn)
Wt::WTableView::setRowHeight
virtual void setRowHeight(const WLength &rowHeight)
Wt::WAbstractItemView::setSortingEnabled
void setSortingEnabled(bool enabled)
ItemIsSelectable
ItemIsSelectable
Wt::WStandardItem::setFlags
void setFlags(WFlags< ItemFlag > flags)
TextPercentage
TextPercentage
Wt::WAbstractItemModel::setData
virtual bool setData(const WModelIndex &index, const boost::any &value, int role=EditRole)
Wt::WTableView::setModel
virtual void setModel(WAbstractItemModel *model)
Wt::WStandardItemModel::item
WStandardItem * item(int row, int column=0) const
The documentation for this class was generated from the following files:
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