qtdoc/examples/demos/rssnews/Main.qml

132 lines
3.5 KiB
QML

// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
pragma ComponentBehavior: Bound
import QtQuick
import QtQuick.Window
import QtQml.XmlListModel
Rectangle {
id: window
width: 800
height: 480
property string currentFeed: rssFeeds.get(0).feed
property bool loading: feedModel.status === XmlListModel.Loading
property bool isPortrait: Screen.primaryOrientation === Qt.PortraitOrientation
onLoadingChanged: {
if (feedModel.status == XmlListModel.Ready)
list.positionViewAtBeginning()
}
RssFeeds { id: rssFeeds }
XmlListModel {
id: feedModel
source: "https://" + window.currentFeed
query: "/rss/channel/item"
XmlListModelRole { name: "title"; elementName: "title"; attributeName: ""}
XmlListModelRole { name: "content"; elementName: "content"; attributeName: "url" }
XmlListModelRole { name: "link"; elementName: "link"; attributeName: "" }
XmlListModelRole { name: "pubDate"; elementName: "pubDate"; attributeName: "" }
}
ListView {
id: categories
property int itemWidth: 190
width: window.isPortrait ? parent.width : itemWidth
height: window.isPortrait ? itemWidth : parent.height
orientation: window.isPortrait ? ListView.Horizontal : ListView.Vertical
anchors.top: parent.top
model: rssFeeds
delegate: CategoryDelegate {
itemSize: categories.itemWidth
isLoading: window.loading
onClicked: function () {
if (window.currentFeed == feed)
feedModel.reload()
else
window.currentFeed = feed
}
}
spacing: 3
}
ScrollBar {
id: listScrollBar
orientation: window.isPortrait ? Qt.Horizontal : Qt.Vertical
height: window.isPortrait ? 8 : categories.height;
width: window.isPortrait ? categories.width : 8
scrollArea: categories;
anchors.right: categories.right
}
ListView {
id: list
anchors.left: window.isPortrait ? window.left : categories.right
anchors.right: closeButton.left
anchors.top: window.isPortrait ? categories.bottom : window.top
anchors.bottom: window.bottom
anchors.leftMargin: 30
anchors.rightMargin: 4
clip: window.isPortrait
model: feedModel
footer: footerText
delegate: NewsDelegate {}
}
ScrollBar {
scrollArea: list
width: 8
anchors.right: window.right
anchors.top: window.isPortrait ? categories.bottom : window.top
anchors.bottom: window.bottom
}
Component {
id: footerText
Rectangle {
width: parent.width
height: closeButton.height
color: "lightgray"
Text {
text: "RSS Feed from Yahoo News"
anchors.centerIn: parent
font.pixelSize: 14
}
}
}
Image {
id: closeButton
source: "content/images/btn_close.png"
scale: 0.8
anchors.top: parent.top
anchors.right: parent.right
anchors.margins: 4
opacity: (window.isPortrait && categories.moving) ? 0.2 : 1.0
Behavior on opacity {
NumberAnimation { duration: 300; easing.type: Easing.OutSine }
}
MouseArea {
anchors.fill: parent
onClicked: {
Qt.quit()
}
}
}
}