84 lines
2.1 KiB
QML
84 lines
2.1 KiB
QML
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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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import SortFilterProxyModel 0.2
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/**
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* Building block for managing temporary state in the "Profile Showcase"
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* functionality. Provides combining raw source model (like e.g. communities
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* model or accounts model) with lean showcase model (providing info regarding
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* visibility and position), managing dirty state (visibility, position) and
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* providing two output models - one containing visible items sorted by
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* position, second one containing hidden items.
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*/
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QObject {
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property alias sourceModel: joined.leftModel
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property alias showcaseModel: joined.rightModel
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/**
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* Model holding elements from 'sourceModel' intended to be visible in the
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* showcase, sorted by 'position' role. Includes roles from both input models.
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*/
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readonly property alias visibleModel: visible
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/**
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* Model holding elements from 'sourceModel' intended to be hidden, no
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* sorting applied. Includes roles from both input models.
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*/
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readonly property alias hiddenModel: hidden
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function currentState() {
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return writable.currentState()
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}
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function setVisibility(key, visibility) {
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writable.setVisibility(key, visibility)
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}
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function changePosition(key, to) {
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writable.changePosition(key, to)
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}
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// internals, debug purpose only
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readonly property alias writable_: writable
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readonly property alias joined_: joined
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component VisibilityFilter: RangeFilter {
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roleName: "visibility"
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minimumValue: 1
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}
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LeftJoinModel {
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id: joined
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joinRole: "key"
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}
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VisibilityAndPositionDirtyStateModel {
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id: writable
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sourceModel: joined
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}
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SortFilterProxyModel {
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id: visible
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sourceModel: writable
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delayed: true
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filters: VisibilityFilter {}
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sorters: RoleSorter { roleName: "position" }
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}
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SortFilterProxyModel {
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id: hidden
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sourceModel: writable
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delayed: true
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filters: VisibilityFilter { inverted: true}
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}
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}
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