The FormulaEditor component is a formula editor.
The component is implemented by the FormulaEditor class.
Component has the following view.
The example of creating a formula editor is given on the Example of Creating the FormulaEditor Component page.
Constructor name | Brief description | |
FormulaEditor | The FormulaEditor constructor creates an instance of the FormulaEditor class. |
Property name | Brief description | |
CalculationPanelContent | The CalculationPanelContent property determines the contents of the panel for calculation of expression editor parameters. | |
CaretPosition | The CaretPosition property sets cursor position in the expression editor. | |
DescriptionTemplate | The DescriptionTemplate property determines a template for description of expression editor operators and functions. | |
InitialFunctionCategories | The InitialFunctionCategories property determines initial functions that will be added to expression editor during component initialization. | |
InitialOperators | The InitialOperators property determines initial operators that will be added to expression editor during component initialization. | |
InitialTerms | The InitialTerms property determines initial terms that will be added to expression editor during component initialization. | |
IsNamingVisible | The IsNamingVisible property determines whether the Name container is displayed. | |
LeftColumnContent | The LeftColumnContent property determines the contents of the left column of expression editor. | |
MinCenterColumnWidth | The MinCenterColumnWidth property determines minimum width of expression editor central column. | |
NamingTextBox | The NamingTextBox property sets a text field of the Name container. |
Method name | Brief description | |
addCategory | The addCategory method adds a category to the list of functions. | |
addFunction | The addFunction method adds a function to the list of functions. | |
addOperator | The addOperator method adds an operator to the list of operators. | |
getCalcParamsContainer | The getCalcParamsContainer method returns the panel for calculation of expression editor parameters. | |
getFilterMenuButton | The getFilterMenuButton method returns the button for filtering of expression editor. | |
getFormula | The getFormula method returns the final formula of expression editor. | |
getFunctionList | The getFunctionList method returns the list of expression editor functions. | |
getTermEdit | The getTermEdit method returns the term editor included into expression editor. | |
insertTerm | The insertTerm method adds a term or term array described as an object or string. | |
setCalcParamsVisibility | The setCalcParamsVisibility method determines whether the panel for calculation of parameters is visible. | |
setFilterPanelVisibility | The setFilterPanelVisibility method determines whether the filtering panel is visible. | |
setFocusTermEdit | The setFocusTermEdit method sets focus on the term editor included into expression editor. | |
setWarningMessage | The setWarningMessage method displays the Warning button in expression editor. |
Event name | Brief description | |
CalcParamsPanelResized | The CalcParamsPanelResized event occurs after changing the size of the panel for calculation of expression editor parameters. | |
LeftPanelResized | The LeftPanelResized event occurs after changing the size of the left panel of expression editor parameters. | |
TermDrop | The TermDrop event occurs after adding a term from the lists of functions or operators. | |
TermsChanged | The TermsChanged event occurs after changing expression editor terms. |
Property name | Brief description | |
Anchors | The Anchors property determines position of the component placed within container. | |
Animation | The Animation property sets animation parameters for component. | |
Bottom | The Bottom property sets bottom offset on placing the component within the LayoutPanel. | |
Content | The Content property sets the component contents. | |
ContextMenu | The ContextMenu property sets the context menu for the component. | |
Data | The Data property is used to store any custom data. | |
DataContext | The DataContext property contains an object with data. | |
Enabled | The Enabled property sets whether the component is enabled. | |
Height | The Height property determines the component height. | |
IsResizable | The IsResizable property determines whether the component can be resized. | |
IsRTL | The lsRTL property sets right to left text direction. | |
IsVisible | The IsVisible property determines whether the component is displayed. | |
Left | The Left property sets left offset on placing the component within the GridPanel. | |
Offset | The Offset property determines coordinates of root DOM node of a control. | |
Opacity | The Opacity property determines component transparency. | |
Parent | The Parent property determines a parent component of a control. | |
ParentNode | The ParentNode property sets parent DOM node. | |
ResourceKey | The ResourceKey property sets the resource key for the component. | |
Right | The Right property sets right offset on placing the component within the LayoutPanel. | |
Rotate | The Rotate property sets component rotation angle. | |
ShowToolTip | The ShowToolTip property determines whether the tooltip of the component can be displayed. | |
Style | The Style property sets component style. | |
TabIndex | The TabIndex property sets the order of the control element passing inside the container. | |
Tag | The Tag property sets JSON object associated with the component. | |
ToolTip | The ToolTip property determines text of component tooltip. | |
Top | The Top property sets top offset on placing the component within the GridPanel. | |
Value | The Value property sets the value to the component. | |
Width | The Width property sets the component width. |
Method name | Brief description | |
The addClass method adds a CSS class to the component. | ||
addEvent | The addEvent method adds an event handler to a DOM node. | |
addEventHandler | The addEventHandler method adds an event handler to a DOM node. | |
addEvents | The addEvents method adds an array of event handlers to a DOM node. | |
The addStateClass method adds a CSS class to the component and removes the previous CSS class. | ||
addStyleBySelector | The addStyleBySelector method creates a block that contains a style with the specified CSS selector. | |
The addToNode method adds a component to the specified node. | ||
bindEvents | The bindEvents method subscribes an element to all available events. | |
The clearStylesCache method clears cache of component styles. | ||
The getAnchorFlags method returns JSON object that contains settings of the current component's position. | ||
The getClass method returns the current CSS classes of the component. | ||
The getCssStyle method returns style for the specified node. | ||
The getDomNode method returns main DOM node of the component. | ||
The getFocused method determines whether the component is focused. | ||
getFunctionByName | The getFunctionByName method returns function by name. | |
getIsBinded | The getIsBinded method returns whether an element is subscribed to all DOM node events. | |
The hasClass method determines whether the specified CSS class is set for root DOM node of the control. | ||
The hide method hides a control. | ||
The hideToolTip method clears tooltip timeout and hides the tooltip if it is displayed. | ||
The isResingNow method determines whether the component is being resized. | ||
refreshBindingProperty | The refreshBindingProperty method refreshes the bound property by name. | |
refreshItemsStyle | The refreshItemsStyle method refreshes CSS styles of child elements. | |
refreshStyle | The refreshStyle method refreshes element CSS styles. | |
The removeClass method removes CSS class from the component. | ||
The removeEvent method removes event handler from DOM node. | ||
removeEventHandler | The removeEventHandler method removes event handler from DOM node. | |
removeFromDOM | The removeFromDOM method removes node from the DOM structure. | |
The removeStateClasses method removes CSS classes of the component. | ||
The setDraggable method determines whether it is possible to drag component on the HTML page. | ||
The setFocus method sets the component focus. | ||
The setIsHovered method displays the component as on hover. | ||
The setIsPressed method displays the component as if clicked upon. | ||
The setOpacityIE8 method sets component transparency value in Internet Explorer 8. | ||
The setSize method establishes the sizes of the component. | ||
The show method displays a control. | ||
unBindEvents | The unBindEvents method unsubscribes an element from all standard events. | |
The updatePosition method updates size and position when absolute positioning based on the current parameters is used. | ||
The updateSize method updates the component size on changing the size of the container that contains the component. |
Event name | Brief description | |
Drag | The Drag event occurs on clicking and holding the left mouse button. | |
DragEnd | The DragEnd event occurs when dragging the component finishes. | |
DragStart | The DragStart event occurs when dragging the component starts. | |
OnContextMenu | The OnContextMenu event occurs on calling context menu of the component. | |
SizeChanged | The SizeChanged event occurs after the component is resized. | |
SizeChanging | The SizeChanging event occurs during component resize. |
Property name | Brief description | |
The Id property determines a repository object identifier. |
Method name | Brief description | |
clone | The clone method creates an object copy. | |
dispose | The dispose method deletes the component. | |
getHashCode | The getHashCode method returns hash code of repository object. | |
getSettings | The getSettings method returns repository object settings. | |
getTypeName | The getTypeName method returns the name of the object type without the namespace, to which it belongs. | |
isEqual | The isEqual method determines whether the specified object is equal to the current repository object. | |
isLive | The isLive method determines validity of repository object. | |
removeAllEvents | The removeAllEvents method removes all object event handlers by the specified context. | |
setSettings | The setSettings method determines repository object settings. | |
defineProps | The defineProps method creates get and set methods from name array for the specified class. | |
keys | The keys method returns array of methods and properties names for the specified object. |
See also: