89 lines
2.7 KiB
QML
89 lines
2.7 KiB
QML
import QtQuick 2.13
|
|
|
|
Item {
|
|
id: component
|
|
property alias model: filterModel
|
|
|
|
property QtObject sourceModel: undefined
|
|
property string filter: ""
|
|
property int cursorPosition: 0
|
|
property int lastAtPosition: 0
|
|
property string property: ""
|
|
|
|
Connections {
|
|
onFilterChanged: invalidateFilter()
|
|
onPropertyChanged: invalidateFilter()
|
|
onSourceModelChanged: invalidateFilter()
|
|
}
|
|
|
|
Component.onCompleted: invalidateFilter()
|
|
|
|
ListModel {
|
|
id: filterModel
|
|
}
|
|
|
|
function invalidateFilter() {
|
|
if (sourceModel === undefined)
|
|
return;
|
|
|
|
filterModel.clear();
|
|
|
|
if (!isFilteringPropertyOk())
|
|
return
|
|
|
|
var length = sourceModel.count
|
|
for (var i = 0; i < length; ++i) {
|
|
var item = sourceModel.get(i);
|
|
if (isAcceptedItem(item)) {
|
|
filterModel.append(item)
|
|
}
|
|
}
|
|
}
|
|
|
|
function isAcceptedItem(item) {
|
|
let properties = this.property.split(",")
|
|
.map(p => p.trim())
|
|
.filter(p => !!item[p])
|
|
|
|
if (properties.length === 0 || this.filter.length === 0 || this.cursorPosition === 0) {
|
|
return false
|
|
}
|
|
|
|
let filter = chatsModel.plainText(this.filter)
|
|
// Prevents suggestions to show up at all
|
|
if (filter.indexOf("@") === -1) {
|
|
return false
|
|
}
|
|
|
|
let cursorAtEnd = this.cursorPosition === filter.length;
|
|
let hasAtBeforeCursor = filter.charAt(this.cursorPosition - 1) === "@"
|
|
let hasWhiteSpaceBeforeAt = filter.charAt(this.cursorPosition - 2) === " "
|
|
let hasWhiteSpaceAfterAt = filter.charAt(this.cursorPosition) === " "
|
|
let hasWhiteSpaceBeforeCursor = filter.charAt(this.cursorPosition - 1) === " "
|
|
|
|
if (filter.charAt(this.cursorPosition - 2) === "@" && hasWhiteSpaceBeforeCursor) {
|
|
return false
|
|
}
|
|
|
|
if (filter === "@" ||
|
|
(hasAtBeforeCursor && hasWhiteSpaceBeforeAt && hasWhiteSpaceAfterAt) ||
|
|
(this.cursorPosition === 1 && hasAtBeforeCursor && hasWhiteSpaceAfterAt) ||
|
|
(cursorAtEnd && filter.endsWith("@") && hasWhiteSpaceBeforeAt)) {
|
|
this.lastAtPosition = this.cursorPosition - 1;
|
|
return true
|
|
}
|
|
|
|
let filterWithoutAt = filter.substring(lastAtPosition + 1, this.cursorPosition)
|
|
filterWithoutAt = filterWithoutAt.replace(/\*/g, "")
|
|
|
|
return !properties.every(p => item[p].toLowerCase().match(filterWithoutAt.toLowerCase()) === null)
|
|
}
|
|
|
|
function isFilteringPropertyOk() {
|
|
if(this.property === undefined || this.property === "") {
|
|
return false
|
|
}
|
|
return true
|
|
}
|
|
}
|