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Accordion

Accordion controls are used to structure areas on a page and to represent extensive lists in a space-saving way. This is helpful, for example, when you work with numerous input fields relating to different categories. In addition, Accordion controls offer a high degree of flexibility, since you can add more accordion panels at any time and your web app always remains well-structured.

Accordion controls can be used in all available layout types :

  • BoxLayout
  • FlowLayout
  • GridLayout
  • ResponsiveLayout
  • TabLayout

The following attributes can be defined for an Accordion control:

Attribute

Description

background
Defines a color for the background of the control.
  • This setting overwrites the default color of the color scheme!
  • This attribute doesn't work with the Maps and HtmlDocument controls!

Possible values:

  • hexadecimal color value, e.g., ff5a00

    Do not use a hash in front of the color value!
    Do not use a shortened notation of the color value!
  • color code from the color palette of the Web App (see Theming), e.g., A200
disabled

Defines if the user can interact with the control.

  • Data binding (boolean) possible

Possible values: 

  • true/false or data binding expression
enabled

Defines if the user can interact with the control.

  • Data binding (boolean) possible

Possible values:

  • true/false or data binding expression
expanded
Defines if the accordion panel is expanded or collapsed when opening the web app.
  • Data binding (boolean) possible

Possible values:

  • true (default)
  • false
  • data binding expression
fontFamily

Defines the font family.

  • This attribute overrides the default font of the Web App for this control.
  • If the attribute is defined on an element, the font family is inherited by the element's child elements, unless the child elements have the fontFamily attribute explicitly set.
  • This attribute doesn't work with the Image, Maps and HtmlDocument controls.

Possible values:

  • MainFont: Stored main font
  • font code from the font palette, e.g., Font04
fontSize

Defines the font size.

  • This attribute overrides the default font size of the Web App for this control.
  • This attribute doesn't work with the Image, Maps and HtmlDocument controls.

Possible values:

  • any integer or decimal number with a dot as decimal separator, e.g., 20; 20.8; .9
  • font size in pixels, e.g., 20px
  • font size in points, e.g., 18pt
  • font size compared to the font size of the parent element, e.g., .8em or 120
  • keywords: xx-small, x-small, small, medium, large, x-large, xx-large, smaller, larger
fontStretch

Sets the width of the single characters.

This attribute overrides the default width of the characters of the Web App for this control.

Possible values:

  • Condensed (default)
  • Expanded
  • ExtraCondensed
  • ExtraExpanded
  • Medium
  • Normal 
  • SemiCondensed
  • SemiExpanded
  • UltraCondensed
  • UltraExpanded


This attribute doesn't work with the Image, Maps, Charts and HtmlDocument controls.
fontStyle

Defines the font style.

This attribute overrides the default style of the characters of the Web App for this control.

Possible values:

  • italic: italic characters
  • normal: normal characters (default)
  • oblique: italic characters (calculated)


This attribute doesn't work with the Image, Maps and HtmlDocument controls.

fontWeight

Defines the font weight.

This attribute overrides the default font weight of the Web App for this control.

Possible values:

  • Black 
  • Bold
  • DemiBold
  • ExtraBlack
  • ExtraBold
  • ExtraLight
  • Heavy
  • Light
  • Medium
  • Normal (default)
  • Regular
  • SemiBold
  • Thin
  • UltraBlack
  • UltraBold
  • UltraLight


This attribute doesn't work with the Image, Maps and HtmlDocument controls.

foreground

Defines a color for the foreground (texts, etc.) of the control.

  • This setting overwrites the default color of the color scheme!
  • This attribute does not work with the Map and HtmlDocument controls!

Possible values:

  • hexadecimal color value, e.g., ff5a00

    Do not use a hash in front of the color value!
    Do not use a shortened notation of the color value!
  • color code from the color palette of the Web App (see Theming), e.g., A200
horizontalAlign

Direction in which the elements flow. The order of the elements corresponds to their declaration.

Possible values:

  • left (default)

  • center

  • right

subtitle

Subtitle of the accordion element

Possible values:

  • expression for data binding (String, Date, DateTime)
subtitleForeground

Defines a color for the foreground of the subtitle.

  • This setting overwrites the default color of the color scheme!
  • This attribute does not work with the Map and HtmlDocument controls!

Possible values:

  • hexadecimal color value, e.g., ff5a00

    Do not use a hash in front of the color value!
    Do not use a shortened notation of the color value!
  • color code from the color palette of the Web App (see Theming), e.g., A200
textOverflow

Defines what happens if the page is full.

Possible values:

  • ellipsis: show with … that the text is not finished (default)

  • hidden: break off text, paying attention to whole words

  • wordBreak: break off within the word

  • allow: break off text between words

title

Title of the accordion element

Possible values:

  • expression for data binding (String, Date, DateTime, Integer, Decimal, URL)
visible

Defines whether the control is visible.

  • Data binding (boolean) possible

Possible values:

  •  true/falseor data binding expression


<SelectAction/> within an Accordion Control

The Select action is created using the <SelectAction/> element within <Accordion> and is triggered once a user selects the corresponding item in the accordion.

<DoubleclickAction> within an Accordion Control

The DoubleClick action is created using the <DoubleClickAction/> element within <Accordion> and is triggered once a user double-clicks the corresponding item in an accordion.

Note:

The <SelectAction/> and <DoubleClickAction> elements must be inserted before the desired layout type (BoxLayout, FlowLayout, GridLayout, ResponsiveLayout, TabLayout).


Example

CODE 
<?xml version="1.0" encoding="UTF-8"?>
<DetailComponent
    xmlns="http://softproject.de/webapp/1.0">
        <FlowLayout>
        <Header value="FlowLayout" />
        <Accordion title="FlowLayout inside" subtitle="My first accordion panel"
            expanded="false">
            <FlowLayout>
                <Label value="Welcome to my first accordion panel!" />
            </FlowLayout>
        </Accordion> 
        <Accordion title="ResponsiveLayout inside"
            subtitle="My second accordion panel">
            <ResponsiveLayout>
                <Cell>
                    <Label value="Welcome to my second accordion panel" />
                </Cell>
            </ResponsiveLayout>
        </Accordion>
        <Accordion title="TabLayout inside" subtitle="My third accordion panel">
            <TabLayout>
                <Tab displayName="Test">
                    <FlowLayout>
                        <Label value="This is a demo accordion panel."></Label>
                    </FlowLayout>
                </Tab>
                <Tab displayName="Test">
                    <FlowLayout>
                        <Checkbox checked="true" displayName="I am a test checkbox" />
                    </FlowLayout>
                </Tab>
            </TabLayout>
        </Accordion>
        <Accordion title="Disabled" subtitle="This accordion panel is disabled by default"
            disabled="true">
            <GridLayout>
                <Label value="Label" />
            </GridLayout>
        </Accordion>
        <Accordion title="Expanded by default" subtitle="Click the arrow to collapse me"
            expanded="true">
            <FlowLayout>
                <Label value="Insert the desired content here" />
            </FlowLayout>
        </Accordion>
        <Accordion title="Foreground color" subtitle="Choose your preferred foreground color"
            expanded="false" foreground="500">
            <FlowLayout>
                <Label value="Label"></Label>
                <Checkbox checked="true" displayName="I am a test checkbox" />
            </FlowLayout>
        </Accordion>
        <Accordion title="Background color"
            subtitle="Adapt the look-and-feel of your accordion panel" background="A200" foreground="900">
            <ResponsiveLayout>
                <Cell>
                    <Label value="Select your favorite background color" />
                </Cell>
            </ResponsiveLayout>
        </Accordion>
    </FlowLayout>
</DetailComponent>


The above code generates the following output in the web app:



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