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| TreeNode (const std::string labelText, TextFormat labelFormat, std::unique_ptr< IconPair > labelIcon) |
| Construct a tree node with the given label. More...
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void | addChildNode (std::unique_ptr< TreeNode > node) |
| Adds a child node. More...
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void | removeChildNode (TreeNode *node, int index) |
| Removes a child node. More...
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const std::vector< TreeNode * > & | childNodes () const |
| Returns the list of children. More...
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void | collapse () |
| Collapses this node. More...
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void | expand () |
| Expands this node. More...
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| WCompositeWidget () |
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| WCompositeWidget (std::unique_ptr< WWidget > implementation) |
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virtual std::vector< WWidget * > | children () const override |
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virtual std::unique_ptr< WWidget > | removeWidget (WWidget *widget) override |
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virtual void | setObjectName (const std::string &name) override |
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virtual std::string | objectName () const override |
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virtual const std::string | id () const override |
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virtual void | setPositionScheme (PositionScheme scheme) override |
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virtual PositionScheme | positionScheme () const override |
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virtual void | setOffsets (const WLength &offset, WFlags< Side > sides=AllSides) override |
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virtual WLength | offset (Side s) const override |
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virtual void | resize (const WLength &width, const WLength &height) override |
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virtual WLength | width () const override |
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virtual WLength | height () const override |
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virtual void | setMinimumSize (const WLength &width, const WLength &height) override |
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virtual WLength | minimumWidth () const override |
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virtual WLength | minimumHeight () const override |
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virtual void | setMaximumSize (const WLength &width, const WLength &height) override |
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virtual WLength | maximumWidth () const override |
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virtual WLength | maximumHeight () const override |
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virtual void | setLineHeight (const WLength &height) override |
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virtual WLength | lineHeight () const override |
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virtual void | setFloatSide (Side s) override |
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virtual Side | floatSide () const override |
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virtual void | setClearSides (WFlags< Side > sides) override |
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virtual WFlags< Side > | clearSides () const override |
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virtual void | setMargin (const WLength &margin, WFlags< Side > sides=AllSides) override |
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virtual WLength | margin (Side side) const override |
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virtual void | setHiddenKeepsGeometry (bool enabled) override |
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virtual bool | hiddenKeepsGeometry () const override |
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virtual void | setHidden (bool hidden, const WAnimation &animation=WAnimation()) override |
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virtual bool | isHidden () const override |
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virtual bool | isVisible () const override |
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virtual void | setDisabled (bool disabled) override |
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virtual bool | isDisabled () const override |
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virtual bool | isEnabled () const override |
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virtual void | setPopup (bool popup) override |
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virtual bool | isPopup () const override |
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virtual void | setInline (bool isInline) override |
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virtual bool | isInline () const override |
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virtual void | setDecorationStyle (const WCssDecorationStyle &style) override |
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virtual WCssDecorationStyle & | decorationStyle () override |
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virtual void | setStyleClass (const WString &styleClass) override |
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virtual WString | styleClass () const override |
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virtual void | addStyleClass (const WString &styleClass, bool force=false) override |
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virtual void | removeStyleClass (const WString &styleClass, bool force=false) override |
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virtual bool | hasStyleClass (const WString &styleClass) const override |
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virtual void | setVerticalAlignment (AlignmentFlag alignment, const WLength &length=WLength::Auto) override |
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virtual AlignmentFlag | verticalAlignment () const override |
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virtual WLength | verticalAlignmentLength () const override |
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virtual void | setToolTip (const WString &text, TextFormat textFormat=TextFormat::Plain) override |
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virtual WString | toolTip () const override |
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virtual void | setDeferredToolTip (bool enable, TextFormat textFormat=TextFormat::Plain) override |
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virtual void | refresh () override |
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virtual void | setAttributeValue (const std::string &name, const WString &value) override |
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virtual WString | attributeValue (const std::string &name) const override |
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virtual void | setJavaScriptMember (const std::string &name, const std::string &value) override |
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virtual std::string | javaScriptMember (const std::string &name) const override |
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virtual void | callJavaScriptMember (const std::string &name, const std::string &args) override |
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virtual void | load () override |
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virtual bool | loaded () const override |
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virtual void | setCanReceiveFocus (bool enabled) override |
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virtual bool | canReceiveFocus () const override |
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virtual void | setFocus (bool focus) override |
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virtual bool | setFirstFocus () override |
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virtual bool | hasFocus () const override |
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virtual void | setTabIndex (int index) override |
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virtual int | tabIndex () const override |
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virtual void | setId (const std::string &id) override |
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virtual WWidget * | find (const std::string &name) override |
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virtual WWidget * | findById (const std::string &name) override |
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virtual void | setSelectable (bool selectable) override |
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virtual void | doJavaScript (const std::string &js) override |
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virtual void | propagateSetEnabled (bool enabled) override |
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virtual bool | scrollVisibilityEnabled () const final override |
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virtual void | setScrollVisibilityEnabled (bool enabled) final override |
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virtual int | scrollVisibilityMargin () const final override |
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virtual void | setScrollVisibilityMargin (int margin) final override |
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virtual Signal< bool > & | scrollVisibilityChanged () final override |
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virtual bool | isScrollVisible () const final override |
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virtual void | setThemeStyleEnabled (bool enabled) final override |
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virtual bool | isThemeStyleEnabled () const final override |
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virtual std::unique_ptr< WWidget > | removeWidget (WWidget *widget) |
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std::unique_ptr< Widget > | removeWidget (Widget *widget) |
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void | setFocus () |
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virtual void | setFocus (bool focus)=0 |
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virtual | ~WWidget () |
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WWidget * | parent () const |
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std::unique_ptr< Widget > | removeWidget (Widget *widget) |
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std::unique_ptr< WWidget > | removeFromParent () |
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void | setWidth (const WLength &width) |
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void | setHeight (const WLength &height) |
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virtual void | positionAt (const WWidget *widget, Orientation orientation=Orientation::Vertical) |
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virtual void | toggleStyleClass (const WString &styleClass, bool add, bool force=false) |
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std::string | jsRef () const |
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void | setFocus () |
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virtual void | acceptDrops (const std::string &mimeType, const WString &hoverStyleClass=WString()) |
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virtual void | stopAcceptDrops (const std::string &mimeType) |
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virtual void | htmlText (std::ostream &out) |
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bool | isRendered () const |
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void | hide () |
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void | animateHide (const WAnimation &animation) |
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void | show () |
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void | animateShow (const WAnimation &animation) |
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void | enable () |
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void | disable () |
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bool | layoutSizeAware () const |
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void | addChild (std::unique_ptr< WObject > child) |
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Child * | addChild (std::unique_ptr< Child > child) |
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std::unique_ptr< WObject > | removeChild (WObject *child) |
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std::unique_ptr< Child > | removeChild (Child *child) |
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void | resetLearnedSlots () |
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void | resetLearnedSlot (void(T::*method)()) |
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WStatelessSlot * | implementStateless (void(T::*method)()) |
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WStatelessSlot * | implementStateless (void(T::*method)(), void(T::*undoMethod)()) |
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void | isNotStateless () |
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WStatelessSlot * | implementJavaScript (void(T::*method)(), const std::string &jsCode) |
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| observable () noexcept |
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virtual | ~observable () |
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auto | bindSafe (void(C::*method)(Args...)) noexcept |
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auto | bindSafe (void(C::*method)(Args...) const) const noexcept |
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auto | bindSafe (const Function &function) noexcept |
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Example implementation of a single tree list node.
This is an example of a basic treelist implementation. As of version 1.1.8, a more flexible treenode implementation is included as part of the library: WTreeNode.
A tree list is constructed by nesting TreeNode objects in a tree hierarchy.
A TreeNode has a label, and optionally a two-state label icon, which defines a different image depending on the state of the node (expanded or collapsed). When the node has any children, a child count is also indicated.
Next to the icons, two style classes determine the look of a TreeNode: the label has style "treenodelabel", and the child count has as style "treenodechildcount".
Use CSS nested selectors to apply different styles to different treenodes. For example, to style the treenode with style class "mynode":
The behaviour of the tree node is to collapse all children when the node is expanded (this is similar to how most tree node implementations work).
The widget uses a number of images which must be available in an "icons/" folder (see the Wt treelist examples).
This widget is part of the Wt treelist example.
Definition at line 57 of file TreeNode.h.