139 lines
4.1 KiB
QML
139 lines
4.1 KiB
QML
import QtQuick 2.13
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import QtQuick.Controls 2.13
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import QtQuick.Layouts 1.13
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import QtQml.Models 2.13
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import "../../../../shared"
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import "../../../../imports"
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import "../components"
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import "./samples/"
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ScrollView {
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id: scrollView
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property var messageList: MessagesData {}
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property bool loadingMessages: false
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property real scrollY: chatLogView.visibleArea.yPosition * chatLogView.contentHeight
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contentItem: chatLogView
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Layout.fillWidth: true
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Layout.fillHeight: true
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ScrollBar.vertical.policy: chatLogView.contentHeight > chatLogView.height ? ScrollBar.AlwaysOn : ScrollBar.AlwaysOff
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ScrollBar.horizontal.policy: ScrollBar.AlwaysOff
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ListView {
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anchors.fill: parent
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spacing: 4
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boundsBehavior: Flickable.StopAtBounds
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id: chatLogView
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Layout.fillWidth: true
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Layout.fillHeight: true
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Connections {
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target: chatsModel
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onMessagesLoaded: {
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loadingMessages = false;
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}
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onActiveChannelChanged: {
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Qt.callLater( chatLogView.positionViewAtEnd )
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}
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onMessagePushed: {
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if (!chatLogView.atYEnd) {
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// User has scrolled up, we don't want to scroll back
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return
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}
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if(chatLogView.atYEnd)
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Qt.callLater( chatLogView.positionViewAtEnd )
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}
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}
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onContentYChanged: {
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if(atYBeginning && !loadingMessages){
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loadingMessages = true;
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chatsModel.loadMoreMessages();
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}
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}
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model: messageListDelegate
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section.property: "sectionIdentifier"
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section.criteria: ViewSection.FullString
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}
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DelegateModel {
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id: messageListDelegate
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property var lessThan: [
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function(left, right) { return left.clock < right.clock } // TODO: should be sorted by messageId
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]
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property int sortOrder: 0
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onSortOrderChanged: items.setGroups(0, items.count, "unsorted")
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function insertPosition(lessThan, item) {
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var lower = 0
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var upper = items.count
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while (lower < upper) {
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var middle = Math.floor(lower + (upper - lower) / 2)
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var result = lessThan(item.model, items.get(middle).model);
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if (result) {
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upper = middle
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} else {
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lower = middle + 1
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}
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}
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return lower
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}
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function sort(lessThan) {
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while (unsortedItems.count > 0) {
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var item = unsortedItems.get(0)
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var index = insertPosition(lessThan, item)
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item.groups = "items"
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items.move(item.itemsIndex, index)
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}
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}
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items.includeByDefault: false
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groups: DelegateModelGroup {
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id: unsortedItems
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name: "unsorted"
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includeByDefault: true
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onChanged: {
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if (messageListDelegate.sortOrder == messageListDelegate.lessThan.length)
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setGroups(0, count, "items")
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else {
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messageListDelegate.sort(messageListDelegate.lessThan[messageListDelegate.sortOrder])
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}
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}
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}
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model: messageList
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Message {
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id: msgDelegate
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fromAuthor: model.fromAuthor
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chatId: model.chatId
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userName: model.userName
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message: model.message
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identicon: model.identicon
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isCurrentUser: model.isCurrentUser
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timestamp: model.timestamp
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sticker: model.sticker
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contentType: model.contentType
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outgoingStatus: model.outgoingStatus
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authorCurrentMsg: msgDelegate.ListView.section
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authorPrevMsg: msgDelegate.ListView.previousSection
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profileClick: profilePopup.openPopup.bind(profilePopup)
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}
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}
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}
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/*##^##
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Designer {
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D{i:0;autoSize:true;height:480;width:640}
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}
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##^##*/
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