tweetsearch.qml Example File

demos/tweetsearch/tweetsearch.qml

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  ** This file is part of the examples of the Qt Toolkit.
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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
      }
  }