- Qt 5.15
- Qt Quick Demo - Tweet Search
- Qt 5.15.2 Reference Documentation

# Qt Quick Demo - Tweet Search

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     import QtQuick 2.0
     import "content"
     import "content/tweetsearch.mjs" as Helper

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

         property int inAnimDur: 250
         property int counter: 0
         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
         }
     }