80 lines
1.7 KiB
QML
80 lines
1.7 KiB
QML
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import QtQuick 2.13
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Item {
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id: component
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property alias model: filterModel
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property QtObject sourceModel: undefined
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property string filter: ""
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property string property: ""
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Connections {
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onFilterChanged: invalidateFilter()
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onPropertyChanged: invalidateFilter()
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onSourceModelChanged: invalidateFilter()
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}
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Component.onCompleted: invalidateFilter()
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ListModel {
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id: filterModel
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}
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function invalidateFilter() {
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if (sourceModel === undefined)
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return;
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filterModel.clear();
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if (!isFilteringPropertyOk())
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return
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var length = sourceModel.count
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for (var i = 0; i < length; ++i) {
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var item = sourceModel.get(i);
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if (isAcceptedItem(item)) {
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filterModel.append(item)
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}
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}
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}
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function isAcceptedItem(item) {
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let properties = this.property.split(",")
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.map(p => p.trim())
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.filter(p => !!item[p])
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if (properties.length == 0) {
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return false
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}
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if (this.filter.endsWith("@")) {
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return true
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}
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let lastAt = this.filter.lastIndexOf("@")
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if (lastAt == -1) {
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return false
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}
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let filterWithoutAt = this.filter.substring(lastAt+1)
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if (filterWithoutAt == "") {
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return true
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}
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return !properties.every(p => item[p].toLowerCase().match(filterWithoutAt.toLowerCase()) == null)
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}
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function isFilteringPropertyOk() {
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if(this.property === undefined || this.property === "") {
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return false
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}
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return true
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}
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}
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