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PhotonUI

A javascript framework to create user interfaces

BoxLayout

photonui.BoxLayout is a layout widget that allows you to align widgets on vertical or horizontal boxes (1D grid).

Global Options

photonui.BoxLayout provides options to define its look and feel. Global options are applied to the layout itself.

orientation

Defines if the widgets must be displayed vertically or horizontally.

Possible values:

  • vertical (default)
  • horizontal

BoxLayout Orientation Schema

spacing

Defines the spacing between the widgets (5px by default).

BoxLayout Spacing Schema

verticalPadding

Defines the spacing between the widgets and the left and right edges of the layout (0px by default).

BoxLayout Vertical Padding Schema

horizontalPadding

Defines the spacing between the widgets and the top and bottom edges of the layout (0px by default).

BoxLayout Horizontal Padding Schema

Layout Options

photonui.BoxLayout allows widgets to set plenty of options to customize the way they are displayed in the layout. Layout options are associated with only one widget of the layout.

align

Defines how the widget must be aligned in the layout.

Possible values:

  • stretch (default, alias: expand): the widget is stretched to use all the available space in its box,

  • start (alias: top, left): the widget is placed at the top or on the left of its box depending on the layout orientation,

  • center (alias: middle): the widget is centered in its box,

  • end (alias: bottom, right): the widget is placed at the bottom or on the right of its box depending on the layout orientation.

BoxLayout Align Layout Option Schema

order

Defines the order of the widgets (0 by default).

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var box = new photonui.BoxLayout({
    children: [
        new photonui.Button({
            text: "Third",
            layoutOptions: {
                order: 42
            }
        }),
        new photonui.Button({
            text: "First",
            layoutOptions: {
                order: 1
            }
        }),
        new photonui.Button({
            text: "Second",
            layoutOptions: {
                order: 2
            }
        })
    ]
});
photonui.domInsert(box, "demo");

width

Defines the fixed width of the widget (default = null, null means “auto”).

minWidth

Defines the minimum width of the widget (default = null, null means no limitation).

maxWidth

Defines the maximum width of the widget (default = null, null means no limitation).

height

Defines the fixed height of the widget (default = null, null means “auto”).

minHeight

Defines the minimum height of the widget (default = null, null means no limitation).

maxHeight

Defines the maximum height of the widget (default = null, null means no limitation).

Class Reference

More examples

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var box = new photonui.BoxLayout({
    orientation: "vertical",  // "vertical" or "horizontal"
    spacing: 10,              // spacing between widgets
    children: [
        // "align" layout option
        new photonui.Button({
            text: "align: stretch",
            layoutOptions: {
                align: "stretch" // default, alias: expand
            }
        }),
        new photonui.Button({
            text: "align: start",
            layoutOptions: {
                align: "start"   // alias: left, top
            }
        }),
        new photonui.Button({
            text: "align: center",
            layoutOptions: {
                align: "center"  // alias: middle
            }
        }),
        new photonui.Button({
            text: "align: end",
            layoutOptions: {
                align: "end"     // alias: right, bottom
            }
        }),
        // "order" layout option (if not defined, order = 0)
        new photonui.Button({
            text: "order: -1",
            layoutOptions: {
                order: -1,
            }
        }),
        new photonui.Button({
            text: "order: 2",
            layoutOptions: {
                order: 2,
            }
        }),
        new photonui.Button({
            text: "order: 1",
            layoutOptions: {
                order: 1,
            }
        }),
        // widget sizing layout options
        new photonui.Button({
            text: "width: 100px",
            layoutOptions: {
                width: 100
            }
        }),
        new photonui.Button({
            text: "maxWidth: 200px",
            layoutOptions: {
                maxWidth: 200
            }
        }),
        new photonui.Button({
            text: "minWidth: 300px",
            layoutOptions: {
                minWidth: 300
            }
        }),
        new photonui.Button({
            text: "height: 100px",
            layoutOptions: {
                height: 100
            }
        }),
        // ... and so on with minHeight and maxHeight
        // Of course you can mix options
        new photonui.Button({
            text: "MIX",
            layoutOptions: {
                align: "center",
                order: 42,
                width: 100,
                height: 100
            }
        }),
    ]
});
photonui.domInsert(box, "demo");