PyQt/partner_625781186/QML_QtQuick_PY/QQmlApplicationEngine之qml嵌入qtwidget_qt5.8以上/pages/DelegatePage.qml

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QML

/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
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** as follows:
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import QtQuick 2.6
import QtQuick.Layouts 1.1
import QtQuick.Controls 2.1
Pane {
padding: 0
property var delegateComponentMap: {
"ItemDelegate": itemDelegateComponent,
"SwipeDelegate": swipeDelegateComponent,
"CheckDelegate": checkDelegateComponent,
"RadioDelegate": radioDelegateComponent,
"SwitchDelegate": switchDelegateComponent
}
Component {
id: itemDelegateComponent
ItemDelegate {
text: labelText
width: parent.width
}
}
Component {
id: swipeDelegateComponent
SwipeDelegate {
id: swipeDelegate
text: labelText
width: parent.width
Component {
id: removeComponent
Rectangle {
color: SwipeDelegate.pressed ? "#333" : "#444"
width: parent.width
height: parent.height
clip: true
SwipeDelegate.onClicked: view.model.remove(ourIndex)
Label {
font.pixelSize: swipeDelegate.font.pixelSize
text: "Remove"
color: "white"
anchors.centerIn: parent
}
}
}
swipe.left: removeComponent
swipe.right: removeComponent
}
}
Component {
id: checkDelegateComponent
CheckDelegate {
text: labelText
width: parent.width
}
}
ButtonGroup {
id: radioButtonGroup
}
Component {
id: radioDelegateComponent
RadioDelegate {
text: labelText
ButtonGroup.group: radioButtonGroup
}
}
Component {
id: switchDelegateComponent
SwitchDelegate {
text: labelText
}
}
ColumnLayout {
id: column
spacing: 40
anchors.fill: parent
anchors.topMargin: 20
Label {
Layout.fillWidth: true
wrapMode: Label.Wrap
horizontalAlignment: Qt.AlignHCenter
text: "Delegate controls are used as delegates in views such as ListView."
}
ListView {
id: listView
Layout.fillWidth: true
Layout.fillHeight: true
clip: true
model: ListModel {
ListElement { type: "ItemDelegate"; text: "ItemDelegate" }
ListElement { type: "ItemDelegate"; text: "ItemDelegate" }
ListElement { type: "ItemDelegate"; text: "ItemDelegate" }
ListElement { type: "SwipeDelegate"; text: "SwipeDelegate" }
ListElement { type: "SwipeDelegate"; text: "SwipeDelegate" }
ListElement { type: "SwipeDelegate"; text: "SwipeDelegate" }
ListElement { type: "CheckDelegate"; text: "CheckDelegate" }
ListElement { type: "CheckDelegate"; text: "CheckDelegate" }
ListElement { type: "CheckDelegate"; text: "CheckDelegate" }
ListElement { type: "RadioDelegate"; text: "RadioDelegate" }
ListElement { type: "RadioDelegate"; text: "RadioDelegate" }
ListElement { type: "RadioDelegate"; text: "RadioDelegate" }
ListElement { type: "SwitchDelegate"; text: "SwitchDelegate" }
ListElement { type: "SwitchDelegate"; text: "SwitchDelegate" }
ListElement { type: "SwitchDelegate"; text: "SwitchDelegate" }
}
section.property: "type"
section.delegate: Pane {
width: listView.width
height: sectionLabel.implicitHeight + 20
Label {
id: sectionLabel
text: section
anchors.centerIn: parent
}
}
delegate: Loader {
id: delegateLoader
width: listView.width
sourceComponent: delegateComponentMap[text]
property string labelText: text
property ListView view: listView
property int ourIndex: index
// Can't find a way to do this in the SwipeDelegate component itself,
// so do it here instead.
ListView.onRemove: SequentialAnimation {
PropertyAction {
target: delegateLoader
property: "ListView.delayRemove"
value: true
}
NumberAnimation {
target: item
property: "height"
to: 0
easing.type: Easing.InOutQuad
}
PropertyAction {
target: delegateLoader
property: "ListView.delayRemove"
value: false
}
}
}
}
}
}