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