53 lines
1.0 KiB
QML
53 lines
1.0 KiB
QML
pragma Singleton
|
|
|
|
import QtQuick
|
|
|
|
QtObject {
|
|
id: registry
|
|
|
|
// { widgetId: { component: Component, metadata: var } }
|
|
property var widgets: ({})
|
|
property int revision: 0
|
|
|
|
signal changed()
|
|
|
|
function register(id, component, metadata) {
|
|
var key = String(id)
|
|
if (!key) return
|
|
var next = {}
|
|
for (var k in widgets) next[k] = widgets[k]
|
|
next[key] = { component: component, metadata: metadata || {} }
|
|
widgets = next
|
|
revision++
|
|
changed()
|
|
}
|
|
|
|
function unregister(id) {
|
|
var key = String(id)
|
|
if (!widgets[key]) return
|
|
var next = {}
|
|
for (var k in widgets) if (k !== key) next[k] = widgets[k]
|
|
widgets = next
|
|
revision++
|
|
changed()
|
|
}
|
|
|
|
function componentFor(id) {
|
|
var entry = widgets[String(id)]
|
|
return entry ? entry.component : null
|
|
}
|
|
|
|
function metadataFor(id) {
|
|
var entry = widgets[String(id)]
|
|
return entry ? entry.metadata : null
|
|
}
|
|
|
|
function availableIds() {
|
|
return Object.keys(widgets)
|
|
}
|
|
|
|
function has(id) {
|
|
return widgets[String(id)] !== undefined
|
|
}
|
|
}
|