Caution

This is the documentation for the current development branch of the CometVisu. It is possible that some of the described features are not yet available in the current release.

Also there might be lots of errors in this documentation as some parts of the content have been translated by an online translation service.

The status-chart widget

Author: Tobias Bräutigam
Available since: 2022

Description

The status-chart widget combines the status widget with a chart in its background. The chart is displayed in the background of the widget without X and Y axis. By clicking on the tile, a popup opens in which the chart is displayed in full size with the axes.

Status with background chart.

Status with background chart.

<cv-status-chart format="%d" style="color: #f2495c" y-format="%d Wh" series="hour" x-format="%H:%M">
    <cv-address slot="address" transform="DPT:7.001" mode="read">1/4/0</cv-address>
    <span slot="title">Current power consumption</span>
    <span slot="unit">W</span>
    <dataset slot="dataset" src="Meter_Energy_Grid_Import_Today" title="grid withdrawal" color="#FF0000" show-area="true" curve="step"/>
</cv-status-chart>

Allowed attributes in the status-chart element

Element

Attribute

Name

Content

Description

cv-status-chart

mapping

string

Map the bus value to a different value, text or symbol for displaying. See also mapping

styling

string

Change the color of the displayed value depending on its value. See also styling

format

string

Formatting of the value (printf syntax).

selection

string

Type of the chart element.

y-format

string

Format of the y-axis.

x-format

string

Format of the x-axis.

size

button, 0.5x0.5, 1x0.5, 1x1, 2x1, 2x1.5, 1x2, 2x2, 2x4 or 4x2

Size of the tile in {columns}x{rows}, 1x1 is the default size.

refresh

decimal

Time interval in seconds this widget is being refreshed.

series

hour, day, week, month or year

Time span of the data.

popup-title

string

Title of the popup.

min

decimal

Minimum value.

max

decimal

Maximum value.

visible-on

mobile or desktop

Controls this element’s visibility by screen size.

class

string

Add this value to the CSS class so that it can be formatted by a user provided style sheet.

style

string

Custom CSS style rules for this widget.

Allowed child elements and their attributes

Element

Attribute

Structure

Name

Content

Description

cv-status-chart
  • cv-address

slot

address, tileAddress or liveUpdateAddress

transform

string

Defines the datatype in the backend, e.g. DPT:1.001 for KNX datapoint type 1.001.

mode

disable, read, write or readwrite

Defines if this address is only used to read, write, both readwrite or none of them ``disable`.

value

string

Fixed value sent to this address.

on

click, down or up

Event on which a value should be sent to this address (only useful in mode=``write or readwrite`), also needs ``value.

target

string

Target in the parent widget the value if this address should be use for. The possible values depend on the parent widget.

format-pos

decimal

Position for format string when multiple addresses are used.

qos

decimal

Only MQTT: QoS

retain

true or false

Only MQTT: retain flag

selector

string

Only MQTT: JSON selector

backend

string

Optional name of the backend this address belongs to.

mapping

string

Map the bus value to a different value, text or symbol for displaying. See also mapping

format

string

Formatting of the value (printf syntax).

delay

positiveInteger

Optional delay in milliseconds that a write-request to this address is delayed.

send-mode

on-change or always

Usually the elements that are using this address receive an update-event only when that value hast changed (on-change). This check can be disabled always to send the update-event every time when a new value has been received from the backend.

Element

Attribute

Structure

Name

Content

Description

cv-status-chart
  • span

slot

title, popup-title or unit

tr

true or false

Defines that the text content of this element should be translated.

Element

Attribute

Structure

Name

Content

Description

cv-status-chart
  • dataset

src

anyURI

Data source for this chart element

title

string

Title of the chart element.

chart-type

line or bar

Type of the chart element.

curve

linear, step or natural

Type of curve interpolation for line charts.

color

string

Color of the chart element.

show-area

true or false

Fill the area below a line diagram.

cv-status-chart
  • dataset

    • #text

string