Popover
Extends Popup
An Popover represents a modal ui container that is shown above the apps content. It provides the root element of a new layout hierarchy in the form of its contentView property. User provided widgets can be attached to the contentView similarly to the tabris.ui.contentView. In order to close the Popover the close() method can be used.
The appearance of the Popover depends on the device size: On larger devices (like tablets) the Popover is shown as a floating window whereas on smaller devices it is shown as a fullscreen sheet covering the entire app. When used on larger devices, the size has to be provided via the width and height properties.
Import this type with “const {Popover} = require('tabris');”
Example:
let popover = new Popover();
popover.contentView.append(new TextView({text: 'Hello Popover'}));
popover.open();
Properties
anchor
iOSWindows 10
Type: Widget
An anchor Widget the Popover should attach to. When the anchor is given the Popover is positioned next to the anchor Widget and provides a visual indication of its relation. When omitted the Popover is positioned centered on the screen.
height
Type: dimension
The height of the Popover when shown in windowed mode on large screen devices
width
Type: dimension
The width of the Popover when shown in windowed mode on large screen devices.
Events
anchorChanged
Fired when the anchor property has changed.
Event Parameters
close
Fired when the Popover was closed.
heightChanged
Fired when the height property has changed.
Event Parameters
-
target: this The widget the event was fired on.
-
value: dimension The new value of height.
widthChanged
Fired when the width property has changed.
Event Parameters
-
target: this The widget the event was fired on.
-
value: dimension The new value of width.
Example
const {Action, NavigationView, Page, Popover, Button, TextView, ui, device} = require('tabris');
let button = new Button({
left: 16, right: 16, top: 24,
text: 'Show Popover'
}).on('select', showPopover)
.appendTo(ui.contentView);
function showPopover() {
let popover = new Popover({width: 300, height: 400, anchor: button})
.on('close', () => console.log('Popover closed'))
.open();
let navigationView = new NavigationView({
layoutData: {left: 0, right: 0, top: 0, bottom: 0},
navigationAction: new Action({
title: 'Close',
image: {
src: device.platform === 'iOS' ? 'resources/close-black-24dp@3x.png' : 'resources/close-white-24dp@3x.png',
scale: 3
}
}).on('select', () => popover.close())
}).appendTo(popover.contentView);
let page = new Page({title: 'Popover'}).appendTo(navigationView);
new TextView({centerX: 0, centerY: 0, text: 'Hello popover',}).appendTo(page);
}
