status-desktop/ui/app/AppLayouts/Chat/ChatColumn/ChatMessages.qml

146 lines
4.1 KiB
QML

import QtQuick 2.14
import QtQuick.Controls 2.3
import QtQuick.Controls 2.14 as QQC2
import QtQuick.Layouts 1.3
import Qt.labs.platform 1.1
import QtQml.Models 2.3
import "../../../../shared"
import "../../../../imports"
import "../components"
import "./samples/"
ScrollView {
id: scrollView
property var messageList: MessagesData {}
property bool loadingMessages: false
property real scrollY: chatLogView.visibleArea.yPosition * chatLogView.contentHeight
contentItem: chatLogView
anchors.fill: parent
Layout.fillWidth: true
Layout.fillHeight: true
ScrollBar.vertical.policy: chatLogView.contentHeight > chatLogView.height ? ScrollBar.AlwaysOn : ScrollBar.AlwaysOff
ScrollBar.horizontal.policy: ScrollBar.AlwaysOff
ProfilePopup {
id: profilePopup
}
ListView {
anchors.fill: parent
spacing: 4
boundsBehavior: Flickable.StopAtBounds
id: chatLogView
Layout.fillWidth: true
Layout.fillHeight: true
Connections {
target: chatsModel
onMessagesLoaded: {
loadingMessages = false;
}
onActiveChannelChanged: {
Qt.callLater( chatLogView.positionViewAtEnd )
}
onMessagePushed: {
if (!chatLogView.atYEnd) {
// User has scrolled up, we don't want to scroll back
return
}
if(chatLogView.atYEnd)
Qt.callLater( chatLogView.positionViewAtEnd )
}
}
onContentYChanged: {
if(atYBeginning && !loadingMessages){
loadingMessages = true;
chatsModel.loadMoreMessages();
}
}
model: messageListDelegate
section.property: "sectionIdentifier"
section.criteria: ViewSection.FullString
}
DelegateModel {
id: messageListDelegate
property var lessThan: [
function(left, right) { return left.clock < right.clock } // TODO: should be sorted by messageId
]
property int sortOrder: 0
onSortOrderChanged: items.setGroups(0, items.count, "unsorted")
function insertPosition(lessThan, item) {
var lower = 0
var upper = items.count
while (lower < upper) {
var middle = Math.floor(lower + (upper - lower) / 2)
var result = lessThan(item.model, items.get(middle).model);
if (result) {
upper = middle
} else {
lower = middle + 1
}
}
return lower
}
function sort(lessThan) {
while (unsortedItems.count > 0) {
var item = unsortedItems.get(0)
var index = insertPosition(lessThan, item)
item.groups = "items"
items.move(item.itemsIndex, index)
}
}
items.includeByDefault: false
groups: DelegateModelGroup {
id: unsortedItems
name: "unsorted"
includeByDefault: true
onChanged: {
if (messageListDelegate.sortOrder == messageListDelegate.lessThan.length)
setGroups(0, count, "items")
else {
messageListDelegate.sort(messageListDelegate.lessThan[messageListDelegate.sortOrder])
}
}
}
model: messageList
Message {
id: msgDelegate
fromAuthor: model.fromAuthor
chatId: model.chatId
userName: model.userName
message: model.message
identicon: model.identicon
isCurrentUser: model.isCurrentUser
timestamp: model.timestamp
sticker: model.sticker
contentType: model.contentType
authorCurrentMsg: msgDelegate.ListView.section
authorPrevMsg: msgDelegate.ListView.previousSection
profileClick: profilePopup.openPopup.bind(profilePopup)
}
}
}
/*##^##
Designer {
D{i:0;autoSize:true;height:480;width:640}
}
##^##*/