MetaAttributesBreadcrumb

Description

The MetaAttributesBreadCrumb class implements the MetaAttributesBreadcrumb development environment component that is used to create a breadcrumb by indicators contained in time series database.

Class object properties inherited from IMetaAttributesBreadcrumb

  Property name Brief description
The CustomMultiselectText property determines whether a custom template is used to form component text on multiple selection by attributes.
The CustomMultiselectTextTemplate property determine the template, according to which component text is formed on multiple selection.
The Dictionary property determines a dictionary, to which the component is connected.
The DimensionViewer property returns the object for working with component's drop-down list.
The ExtendedRootItem property determines whether the combo element is displayed in the component.
The HistoryButton property determines whether a button used to select an attribute set and the previous attribute selection is displayed.
The IncludeRevision property determines whether an attribute with revisions is displayed in the component.
The LabelDropDown property determines whether a drop-down list containing a list of attribute indicators is displayed when an element is selected in the component list.
The MetaAttributes property determines the time series database attributes displayed in the component.
The MetaAttributeSettings property returns settings of attributes of the time series database associated with the component.
The ReadOnly property determines whether component settings are prohibited via the visual interface.
The RootHint property determines tooltip text for the additional button of the combo element.
The RootText property determines text for the additional button of the combo element.
The Rubricator property determines the time series database, which data is displayed in the component.
The SelectionMode property determines how indicators are selected by attributes displayed in the component.
The ShowColumnHeaders property determines whether column headers are displayed in the drop-down list of the time series database attribute values.
The VerticalMode property determines the mode of aligning elements in the component.

Properties of object class inherited from IBreadcrumb

  Property name Brief description
The property is under development.
The BorderStyle property determines the style of a component border.
The DeleteButton property determines whether the button used to delete all component elements is displayed.
The Items property returns the component elements collection.
The property is under development.
The property is under development.
The StartDownButton property determines whether an additional button is to be displayed after the button that deletes elements.
The Suffix property determines the auxiliary text shown in component area after navigation chain.

Class object properties inherited from IControl

  Property name Brief description
Align The Align property determines component alignment within its parent component.
AllowDrag The AllowDrag property determines whether an object can be dragged from a component.
AllowDrop The AllowDrop property determines whether the component can accept a dragged object.
Anchors The Anchors property returns settings determining % of the resize for the current component when the parent component is resized.
Brush The Brush property determines the brush that is used to fill the component area.
ClientHeight The ClientHeight property determines the height of the client component area.
ClientWidth The ClientWidth property determines the width of the client component area.
Color The Color property determines color of the component background.
Cursor The Cursor property determines how the cursor looks like when is it hovered over a component during form execution.
Enabled The Enabled property determines whether a component is available for the user.
Focused The Focused property returns True if the focus is set to the component.
Font The Font property determines parameters of the font that is used to display text in the component.
Height The Height property determines component height in pixels.
HelpContext The HelpContext property determines a unique index for a section of a context help for this component.
Hint The Hint property determines a tooltip text displayed on hovering over the component.
HintTimeout The HintTimeout property determines for how long a tooltip is displayed.
Left The Left property determines a coordinate of the component left edge in pixels.
Parent The Parent property determines a parent component.
ParentColor The ParentColor property determines whether a component inherits the color of the parent component.
ParentFont The ParentFont property determines whether a component uses the font of the parent component.
ParentShowHint The ParentShowHint property determines when a tooltip is displayed.
PopupMenu The PopupMenu property determines the context menu displayed when the component is clicked with the right mouse button.
Scrolls The Scrolls property returns parameters of component's scrollbars.
ShowHint The ShowHint property determines whether a tooltip is displayed when the component is hovered.
TabOrder The TabOrder property determines a component position in a tab order.
TabStop The TabStop property determines whether the component must be focused when the Tab button is pressed.
Text The Text property determines a row identifying a component for the user.
Top The Top property determines a coordinate of the component top edge in pixels.
Visible The Visible property determines whether the component is displayed when a form is executed.
Width The Width property sets component width in pixels.

Class object properties inherited from IComponent

  Property name Brief description
ComponentCount The ComponentCount property returns the number of child components located on the parent component.
Components The Components property returns a child component, which index is passed via the input parameter.
Data The Data property is used to store any custom data.
Name The Name property determines the component name.
Tag The Tag property is not used by the compiler. The user can change the value of this property and use it at his discretion.

Class object methods inherited from IMetaAttributesBreadcrumb

  Method name Brief description
The ApplyDefaultAttriburesOrder method applies default hierarchy of attributes.
The GetAttributeValue method returns indicators selection based on the specified attribute.
The GetSelectionSet method returns indicators selection based on the attributes included into component breadcrumb.
The Refresh method refreshes data by all attributes displayed in the component breadcrumb.
The SetAttributeValue method selects indicators based on the specified attribute.
The SetSelectionSet method sets indicators selection by the attributes included into the component breadcrumb.

Object class methods inherited from IBreadcrumb

  Method name Brief description
BeginUpdate The BeginUpdate method stops redrawing related components.
EndUpdate The EndUpdate method resumes redrawing related components.
HitTest The HitTest method gets element of the component in the specified point.
LoadState The LoadState method loads component elements state.
SaveState The SaveState method saves component elements state.

Class object methods inherited from IControl

  Method name Brief description
The ClientToScreen method converts point coordinates specified relative to the component's coordinate system into screen coordinates.
The DoDragDrop method enables the user to start dragging operation.
The GetImage method returns a graphic presentation of a component together with all child components.
The ScreenToClient method converts point's screen coordinates into coordinates specified relative to the component's coordinate system.
The SetFocus method sets focus to this component.

Class object events

   Event name Brief description
The OnBeforeReplaceItem event occurs before component elements are replaced.
The OnChangeSelection event occurs on changing element selection by any attribute.
The OnDimTreePopup event occurs on opening context menu of the drop-down list of the MetaAttributesBreadcrumb component.
The OnDropDown event occurs on expanding element list of the attribute that corresponds to a component element.
The OnMetaAttributeParam event occurs on selecting a parameter as attribute value.
The OnReplaceItem event occurs after component elements are replaced.
The OnRollUp event occurs after collapsing element list of the attribute that corresponds to a component element.
The OnRootClick event occurs on clicking additional button of the combo element (root).

Class object events inherited from IBreadcrumb

   Event name Brief description
OnAddItem The OnAddItem event occurs on adding a new element to the collection of the component elements.
OnBeforeAddItem The OnBeforeAddItem event occurs before adding a new element to the collection of the component elements.
OnBeforeMoveItem The OnBeforeMoveItem event occurs before moving a component element.
OnBeforeRemoveItem The OnBeforeRemoveItem event occurs before removing a component element.
OnButtonClick The OnButtonClick event occurs on clicking the auxiliary button with a mouse button displayed next to the component element name.
OnGetPopupMenu The OnGetPopupMenu event occurs on opening the context menu for a component element.
OnItemClick The OnItemClick event occurs on clicking the mouse button on a component element.
OnMoveItem The OnMoveItem event occurs on moving a component element.
OnRemoveItem The OnRemoveItem event occurs on removing a component element.

Class object events inherited from IControl

   Event name Brief description
The OnBeginDrag event occurs for the component when the user starts to drag an object from the component.
The OnClick event occurs if the user clicks the component area.
The OnControlMove event occurs when the component is moved.
The OnControlResize event occurs when the component is resized.
The OnDblClick event occurs if the user double-clicks the component area.
The OnDragDrop event occurs for the component if the user drops a dragged object over it.
The OnDragEnter event occurs when a dragged object enters the component area.
The OnDragLeave event occurs when a dragged object leaves component borders.
The OnDragOver event occurs for the component when the user drags an object over it.
The OnEnter event occurs when the component receives focus.
The OnExit event occurs when the component loses focus.
The OnHScroll event occurs when horizontal scrollbar slider changes its position.
The OnKeyDown event occurs if the component is focused and a keyboard key is pressed.
The OnKeyPress event occurs if the component is focused when the user presses a character key.
The OnKeyPreview event occurs prior to each event related to key pressing.
The OnKeyUp event occurs if the component is focused and the user releases any button previously pressed.
The OnMouseDown event occurs if the pointer is in the component area and a mouse key is pressed.
The OnMouseEnter event occurs when mouse cursor enters the component area.
The OnMouseHover event occurs when mouse cursor is held in the component area.
The OnMouseLeave event occurs when mouse cursor leaves the component area.
The OnMouseMove event occurs when the cursor is moved over the component.
The OnMouseUp event occurs when the mouse button is released and the cursor is in the component area.
The OnMouseWheel event occurs if the component is focused when the user rotates a mouse wheel.
The OnVScroll event occurs when vertical scrollbar slider changes its position.

See also:

ExtCtrls Assembly Classes