85 lines
2.7 KiB
QML
85 lines
2.7 KiB
QML
import QtQml 2.15
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import StatusQ 0.1
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import StatusQ.Core.Utils 0.1
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/**
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* Basic building block for storing temporary state in the "Profile Showcase"
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* functionality. Allows to store on the UI side the temporary position and
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* visibility level. Can store temporary state for Communities, Accounts,
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* Collectibles and Assets.
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*/
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WritableProxyModel {
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id: root
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/**
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* "Hidden" is a special type of visibility that requires special
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* treatment. When the visibility is changed from hidden to other type
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* of visibility, in addition to changing the visibility, the appropriate
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* position is also set.
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*/
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property int visibilityHidden: 0
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/* Provides the list of objects representing the current state in the
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* in the following format:
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* [ {
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* showcaseKey: <string or integer>
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* showcasePosition: <integer>
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* showcaseVisibility: <integer>
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* }
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* ]
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*
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* The entries with visibility 0 (hidden) are not included in the list.
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*/
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function currentState() {
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const visible = d.getVisibleEntries()
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const minPos = Math.min(...visible.map(e => e.showcasePosition))
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return visible.map(e => { e.showcasePosition -= minPos; return e })
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}
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/* Sets the visibility of the given item. If the element was hidden, it is
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* positioned last.
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*/
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function setVisibility(key, visibility) {
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const sourceIdx = d.indexByKey(key)
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const oldVisibility = d.getVisibility(sourceIdx)
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if (oldVisibility === visibility)
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return
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// hiding, changing visibility level
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if (visibility === visibilityHidden
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|| oldVisibility !== visibilityHidden) {
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set(sourceIdx, { showcaseVisibility: visibility })
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return
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}
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// unhiding
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const positions = d.getVisibleEntries().map(e => e.showcasePosition)
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const position = Math.max(-1, ...positions) + 1
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set(sourceIdx, { showcaseVisibility: visibility, showcasePosition: position })
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}
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readonly property QtObject d_: QtObject {
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id: d
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function indexByKey(key) {
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return ModelUtils.indexOf(root, "showcaseKey", key)
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}
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function getVisibleEntries() {
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const roles = ["showcaseKey", "showcasePosition", "showcaseVisibility"]
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const keysAndPos = ModelUtils.modelToArray(root, roles)
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return keysAndPos.filter(p => p.showcaseVisibility
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&& p.showcaseVisibility !== root.visibilityHidden)
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}
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function getVisibility(idx) {
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return ModelUtils.get(root, idx, "showcaseVisibility")
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|| root.visibilityHidden
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}
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}
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}
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