Limiter

Limiter

new Limiter()

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Limiter is a pre-configured Dynamics widget.

Extends

Members

_graphs :SVGGroup

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The SVG group containing all graphs. Has class .aux-graphs.

Type:
  • SVGGroup

_handles :SVGGroup

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The SVG group containing all handles. Has class .aux-handles.

Type:
  • SVGGroup

_key :SVGGroup

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The SVG group containing all descriptions. Has class .aux-key.

Type:
  • SVGGroup

_key_background :SVGRect

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The SVG rectangle of the key. Has class .aux-background.

Type:
  • SVGRect

_label :SVGText

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The label of the chart. Has class .aux-label.

Type:
  • SVGText

element :HTMLDivElement

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Overrides:

The main DIV container. Has class .aux-limiter.

Type:
  • HTMLDivElement

graphs :Array

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An array containing all SVG paths acting as graphs.

Type:
  • Array

grid :Grid

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The grid element of the chart. Has class .aux-grid.

Type:

handle :ChartHandle

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The handle to set threshold. Has class .aux-handle

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handles :Array

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An array containing all ChartHandle instances.

Type:
  • Array

range_x :Range

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The Range for the x axis.

Type:

range_y :Range

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The Range for the y axis.

Type:

steady :Graph

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The graph drawing the zero line. Has class .aux-steady

Type:

Methods

addChild(child)

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See:

Registers a widget as a child widget. This method is used to build up the widget tree. It does not modify the DOM tree.

Parameters:
Name Type Description
child Widget

The child to add.

Fires:
  • Widget#event:child_added

addChildren(a)

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Registers an array of widgets as children.

Parameters:
Name Type Description
a Array.<Widget>

An array of Widgets.

addGraph(graph) → {Object}

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Add a graph to the chart.

Parameters:
Name Type Description
graph Object

The graph to add. This can be either an instance of Graph or an object of options to Graph.

Fires:
Returns:

The instance of Graph.

Type
Object

addHandle(optionsopt, typeopt)

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Add a new handle to the widget. Options is an object containing options for the ChartHandle.

Parameters:
Name Type Attributes Default Description
options Object <optional>
{ }

An object containing initial options. - The options for the ChartHandle.

type Object <optional>
ChartHandle

A widget class to be used as the new handle.

Fires:

addHandles(options, typeopt)

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Add multiple new ChartHandle to the widget. Options is an array of objects containing options for the new instances of ChartHandle.

Parameters:
Name Type Attributes Default Description
options Array.<Object>

An array of options objects for the ChartHandle.

type Object <optional>
ChartHandle

A widget class to be used for the new handles.

allChildren()

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Returns an array of all children.

appendChild(child)

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Appends child.element to the widget element and registers child as a child widget.

Parameters:
Name Type Description
child Widget

The child widget to append.

appendChildren(children)

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Calls Widget#appendChild for an array of widgets.

Parameters:
Name Type Description
children Array.<Widget>

The child widgets to append.

disableTansitions()

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Disable CSS transitions.

empty()

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Remove all graphs from the chart.

Fires:

enableDraw()

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Schedules this widget for drawing.

Fires:

enableDrawChildren()

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Enables rendering for all children of this widget.

enableTransitions()

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Enable CSS transitions.

forceHide()

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Hide the widget immediately by applying the class aux-hide. Does not call disableDraw().

forceShow()

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Show the widget immediately by applying the class aux-show. Does not call enableDraw().

getStyle()

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Returns the computed style of this widget's DOM element.

hidden()

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Returns the current hidden status.

hide()

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Hide the widget. This will result in the class aux-hide being applied to this widget in the next rendering step.

invalidate(key)

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Invalidates an option and triggers a redraw() call.

Parameters:
Name Type Description
key string

observeResize(cb)

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Calls a callback whenever the widget resizes. This method will trigger one resize.

Parameters:
Name Type Description
cb function

removeChild(child)

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Removes a child widget. Note that this method only modifies the widget tree and does not change the DOM.

Parameters:
Name Type Description
child Widget

The child to remove.

Fires:
  • Widget#event:child_removed

removeChildren(a)

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Removes an array of children.

Parameters:
Name Type Description
a Array.<Widget>

An array of Widgets.

removeGraph(graph)

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Remove a graph from the chart.

Parameters:
Name Type Description
graph Graph

The Graph to remove.

Fires:

removeHandle(handle)

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Remove a handle from the widget.

Parameters:
Name Type Description
handle ChartHandle

The ChartHandle to remove.

Fires:

removeHandles(handles)

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Remove multiple or all ChartHandle from the widget.

Parameters:
Name Type Description
handles Array.<ChartHandle>

An array of ChartHandle instances. If the argument reveals to false, all handles are removed from the widget.

set(key, value)

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Sets an option.

Parameters:
Name Type Description
key string

The option name.

value

The option value.

setFocus(focus)

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Sets or removes focus on the element returned by getFocusTarget.

Parameters:
Name Type Description
focus Boolean

setStyle()

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Sets a CSS style property in this widget's DOM element.

show()

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Make the widget visible. This will apply the class aux-show during the next rendering step.

toggleHidden()

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Toggle the hidden status. This is equivalent to calling hide() or show(), depending on the current hidden status of this widget.

transitionsDisabled()

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Returns true if transitions are currently disabled on this widget.

visibleChildren()

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Returns an array of all visible children.

Events

destroy

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Is fired when a widget is destroyed.

doubleclick

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Is fired after a double click appeared. Set dblclick to 0 to disable click event handling.

Parameters:
Name Type Description
event string

The browsers MouseEvent.

emptied

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Is fired when all graphs are removed from the chart.

GenericDOMEvents

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Generic DOM events. Please refer to W3Schools for further details.

graphadded

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Is fired when a graph was added. Arguments are the graph and its position in the array.

Parameters:
Name Type Description
graph Graph

The Graph which was added.

id int

The ID of the added Graph.

graphremoved

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Is fired when a graph was removed. Arguments are the graph and its position in the array.

Parameters:
Name Type Description
graph Graph

The Graph which was removed.

id int

The ID of the removed Graph.

handleadded

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Is fired when a new handle was added.

Parameters:
Name Type Description
handle ChartHandle

The ChartHandle which was added.

handleremoved

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Is fired when a handle was removed.

hide

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The hide event is emitted when a widget is hidden and is not rendered anymore. This happens both with browser visibility changes and also internally when using layout widgets such as Pager.

initialized

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Is fired when a widget is initialized.

redraw

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The redraw event is emitted when a widget is redrawn. This can be used to do additional DOM modifications to a Widget.

resize

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The resize event is emitted whenever a widget is being resized. This event can be used to e.g. measure its new size. Note that some widgets do internal adjustments after the resize event. If that is relevant, the Widget#resized event can be used instead.

resized

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The resized event is emitted after each rendering frame, which was triggered by a resize event.

set

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The set event is emitted when an option was set using the Widget#set method. The arguments are the option name and its new value.

Note that this happens both for user interaction and programmatical option changes.

show

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The show event is emitted when a widget is shown and is being rendered. This is the counterpart to Widget#hide.

visibility

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Is fired when the visibility state changes. The first argument is the visibility state, which is either true or false.