1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
import QtQuick 2.0
Rectangle {
id: root
property Item messageBubble
property ListModel script: Conversation {}
property int scriptIndex: 0
property string sender: "Me"
property int messageCounter: 0
function sending() {
visualModel.insert(visualModel.count, messageBubble)
newMessage()
messageView.positionViewAtEnd()
}
function sent(messageId, sender, message, avatar) {
messageModel.append({
"messageId": messageId,
"sender": sender,
"message": message,
"avatar": avatar,
"outbound": true,
"time": Qt.formatTime(Date.now()),
"delegateState": ""
})
}
function newMessage() {
visualModel.appendData({ "messageId": ++messageCounter })
var bubble = visualModel.take(visualModel.count - 1, composer)
messageBubble = bubble
messageBubble.y = 0 // Override the position set by the view.
}
Component.onCompleted: newMessage()
width: 480; height: 640
gradient: Gradient {
GradientStop { position: 0.0; color: "#000000" }
GradientStop { position: 1.0; color: "#080808" }
}
ListView {
id: messageView
anchors {
left: parent.left; top: parent.top; right: parent.right; bottom: composer.top
topMargin: 1; bottomMargin: 2
}
spacing: 2
cacheBuffer: 256
model: VisualDataModel {
id: visualModel
roles: [
VisualRole { name: "messageId"; },
VisualRole { name: "sender"; defaultValue: root.sender },
VisualRole { name: "message"; defaultValue: "" },
VisualRole { name: "avatar"; defaultValue: "" },
VisualRole { name: "outbound"; defaultValue: true },
VisualRole { name: "time"; defaultValue: "" },
VisualRole { name: "delegateState"; defaultValue: "composing" }
]
model: ListModel { id: messageModel }
delegate: Bubble {}
onUpdated: {
var delta = 0
for (var i = 0; i < inserts.length; ++i) {
for (var j = inserts[i].start - delta; j < inserts[i].end - delta; ++j) {
var message = visualModel.get(j)
if (!message.outbound)
continue;
for (var k = inserts[i].start - 1 - delta; k >= 0; ++k) {
var existing = visualModel.get(k);
if (!existing.outbound)
continue;
if (message.messageId == existing.messageId) {
visualModel.merge(j, k)
++delta
--j
break;
}
}
}
}
}
}
// add: Transition {
// ParentAnimation {
// via: root
// NumberAnimation { properties: "y"; duration: 3000; easing.type: Easing.InOutQuad }
// }
// }
}
Timer {
interval: 10000
repeat: true
running: true
onTriggered: {
var message = script.get(scriptIndex);
messageModel.append({
"messageId": -1,
"sender": message.sender,
"message": message.message,
"avatar": message.avatar,
"outbound": false,
"time": Qt.formatTime(Date.now()),
"delegateState": ""
})
scriptIndex = (scriptIndex + 1) % script.count
//interval = Math.random() * 30000
}
}
Item {
id: composer
height: messageBubble != undefined ? messageBubble.contentHeight : 48
anchors { left: parent.left; right: parent.right; bottom: parent.bottom }
}
}
|
