moment/src/gui/Base/HListView.qml

145 lines
4.1 KiB
QML
Raw Normal View History

2019-12-19 22:46:16 +11:00
// SPDX-License-Identifier: LGPL-3.0-or-later
import QtQuick 2.12
import QtQuick.Controls 2.12
2019-05-14 03:15:03 +10:00
ListView {
id: listView
interactive: allowDragging
currentIndex: -1
keyNavigationWraps: true
highlightMoveDuration: theme.animationDuration
highlightResizeDuration: theme.animationDuration
// Keep highlighted delegate at the center
highlightRangeMode: ListView.ApplyRange
preferredHighlightBegin: height / 2 - currentItemHeight / 2
preferredHighlightEnd: height / 2 + currentItemHeight / 2
2019-09-07 07:03:52 +10:00
maximumFlickVelocity: 4000
2019-08-28 12:46:31 +10:00
highlight: Rectangle {
color: theme.controls.listView.highlight
}
2019-09-07 06:46:04 +10:00
ScrollBar.vertical: ScrollBar {
visible: listView.interactive || ! listView.allowDragging
2019-09-07 06:46:04 +10:00
}
// property bool debug: false
// https://doc.qt.io/qt-5/qml-qtquick-viewtransition.html
// #handling-interrupted-animations
add: Transition {
// ScriptAction { script: if (listView.debug) print("add") }
HNumberAnimation { property: "opacity"; from: 0; to: 1 }
HNumberAnimation { property: "scale"; from: 0; to: 1 }
}
move: Transition {
// ScriptAction { script: if (listView.debug) print("move") }
HNumberAnimation { property: "opacity"; to: 1 }
HNumberAnimation { property: "scale"; to: 1 }
HNumberAnimation { properties: "x,y" }
}
remove: Transition {
// ScriptAction { script: if (listView.debug) print("remove") }
HNumberAnimation { property: "opacity"; to: 0 }
HNumberAnimation { property: "scale"; to: 0 }
}
displaced: Transition {
// ScriptAction { script: if (listView.debug) print("displaced") }
HNumberAnimation { property: "opacity"; to: 1 }
HNumberAnimation { property: "scale"; to: 1 }
HNumberAnimation { properties: "x,y" }
}
onSelectedCountChanged: if (! selectedCount) lastCheckedDelegateIndex = 0
property bool allowDragging: true
property alias cursorShape: mouseArea.cursorShape
property int currentItemHeight: currentItem ? currentItem.height : 0
property var checked: ({})
property int lastCheckedDelegateIndex: 0
property int selectedCount: Object.keys(checked).length
readonly property var currentIndexModel:
currentIndex === -1 ? null : model.get(currentIndex)
function check(...indices) {
for (const i of indices) {
const model = listView.model.get(i)
checked[model.id] = model
}
lastCheckedDelegateIndex = indices.slice(-1)[0]
checkedChanged()
}
function checkFromLastToHere(here) {
const indices = utils.range(lastCheckedDelegateIndex, here)
eventList.check(...indices)
}
function uncheck(...indices) {
for (const i of indices) {
const model = listView.model.get(i)
delete checked[model.id]
}
checkedChanged()
}
function toggleCheck(...indices) {
const checkedIndices = []
for (const i of indices) {
const model = listView.model.get(i)
if (model.id in checked) {
delete checked[model.id]
} else {
checked[model.id] = model
checkedIndices.push(i)
}
}
if (checkedIndices.length > 0)
lastCheckedDelegateIndex = checkedIndices.slice(-1)[0]
checkedChanged()
}
function getSortedChecked() {
return Object.values(checked).sort(
(a, b) => a.date > b.date ? 1 : -1
)
}
Connections {
target: listView
enabled: ! listView.allowDragging
// interactive gets temporarily set to true below to allow wheel scroll
onDraggingChanged: listView.interactive = false
}
MouseArea {
id: mouseArea
anchors.fill: parent
enabled: ! parent.allowDragging || cursorShape !== Qt.ArrowCursor
acceptedButtons: Qt.NoButton
onWheel: {
// Allow wheel usage, will be back to false on any drag attempt
parent.interactive = true
wheel.accepted = false
}
}
2019-05-14 03:15:03 +10:00
}