tweetsearch.qml Example File | QtQuick 5.3

- Qt 5.3
- Qt Quick
- Qt Quick Demo - Tweet Search
- tweetsearch.qml Example File
- Qt 5.3.2 Reference Documentation

# tweetsearch.qml Example File

demos/tweetsearch/tweetsearch.qml

    /****************************************************************************
    **
    ** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
    ** Contact: http://www.qt-project.org/legal
    **
    ** This file is part of the examples of the Qt Toolkit.
    **
    ** $QT_BEGIN_LICENSE:BSD$
    ** You may use this file under the terms of the BSD license as follows:
    **
    ** "Redistribution and use in source and binary forms, with or without
    ** modification, are permitted provided that the following conditions are
    ** met:
    **   * Redistributions of source code must retain the above copyright
    **     notice, this list of conditions and the following disclaimer.
    **   * Redistributions in binary form must reproduce the above copyright
    **     notice, this list of conditions and the following disclaimer in
    **     the documentation and/or other materials provided with the
    **     distribution.
    **   * Neither the name of Digia Plc and its Subsidiary(-ies) nor the names
    **     of its contributors may be used to endorse or promote products derived
    **     from this software without specific prior written permission.
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    **
    ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
    ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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    import QtQuick 2.0
    import "content"
    import "content/tweetsearch.js" as Helper

    Rectangle {
        id: main
        width: 320
        height: 480
        color: "#d6d6d6"

        property int inAnimDur: 250
        property int counter: 0
        property alias isLoading: tweetsModel.isLoading
        property var idx
        property var ids

        Component.onCompleted: ids = new Array()

        function idInModel(id)
        {
            for (var j = 0; j < ids.length; j++)
                if (ids[j] === id)
                    return 1
            return 0
        }

        TweetsModel {
            id: tweetsModel
            onIsLoaded: {
                console.debug("Reload")
                idx = new Array()
                for (var i = 0; i < tweetsModel.model.count; i++) {
                    var id = tweetsModel.model.get(i).id
                    if (!idInModel(id))
                        idx.push(i)
                }
                console.debug(idx.length + " new tweets")
                main.counter = idx.length
            }
        }

        Timer {
            id: timer
            interval: 500; running: main.counter; repeat: true
            onTriggered: {
                main.counter--;
                var id = tweetsModel.model.get(idx[main.counter]).id
                var item = tweetsModel.model.get(main.counter)
                mainListView.add( { "statusText": Helper.insertLinks(item.text, item.entities),
                                    "twitterName": item.user.screen_name,
                                    "name" : item.user.name,
                                    "userImage": item.user.profile_image_url,
                                    "source": item.source,
                                    "id": id,
                                     "uri": Helper.insertLinks(item.user.url, item.user.entities),
                                    "published": item.created_at } );
                ids.push(id)
            }
        }

        ListView {
            id: mainListView
            anchors.fill: parent
            delegate: TweetDelegate { }
            model: ListModel { id: finalModel }

            add: Transition {
                NumberAnimation { property: "hm"; from: 0; to: 1.0; duration: 300; easing.type: Easing.OutQuad }
                PropertyAction { property: "appear"; value: 250 }
            }

            onDragEnded: if (header.refresh) { tweetsModel.reload() }

            ListHeader {
                id: header
                y: -mainListView.contentY - height
            }

            footer: ListFooter { }

            function clear() {
                ids = new Array()
                model.clear()
            }

            function add(obj) {
                model.insert(0, obj)
            }

            signal autoSearch(string type, string str) // To communicate with Footer instance
        }
    }