status-desktop/ui/app/AppLayouts/Chat/ChatColumn/SuggestionBox.qml

221 lines
7.4 KiB
QML

/*
Copyright (C) 2011 Jocelyn Turcotte <turcotte.j@gmail.com>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this program; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
import QtQuick 2.13
import QtQuick.Controls 2.13
import QtGraphicalEffects 1.13
import QtQml.Models 2.13
import "../../../../imports"
import "../../../../shared"
import "../../../../shared/status"
Rectangle {
id: container
property QtObject model: undefined
property Item delegate
property alias suggestionsModel: filterItem.model
property alias filter: filterItem.filter
property alias formattedPlainTextFilter: filterItem.formattedFilter
property alias suggestionFilter: filterItem
property alias property: filterItem.property
property int cursorPosition
signal itemSelected(var item, int lastAtPosition, int lastCursorPosition)
property alias listView: listView
property bool shouldHide: false
Timer {
id: timer
}
onFormattedPlainTextFilterChanged: {
// We need to callLater because the sort needs to happen before setting the index
Qt.callLater(function () {
listView.currentIndex = 0
})
}
onCursorPositionChanged: {
if (shouldHide) {
shouldHide = false
}
}
function hide() {
shouldHide = true
}
function selectCurrentItem() {
container.itemSelected(mentionsListDelegate.items.get(listView.currentIndex).model, filterItem.lastAtPosition, filterItem.cursorPosition)
}
onVisibleChanged: {
if (visible && listView.currentIndex === -1) {
// If the previous selection was made using the mouse, the currentIndex was changed to -1
// We change it back to 0 so that it can be used to select using the keyboard
listView.currentIndex = 0
}
}
z: parent.z + 100
visible: !shouldHide && filter.length > 0 && suggestionsModel.count > 0
height: Math.min(400, listView.contentHeight + Style.current.padding)
opacity: visible ? 1.0 : 0
Behavior on opacity {
NumberAnimation { }
}
color: Style.current.background
radius: Style.current.radius
border.width: 0
layer.enabled: true
layer.effect: DropShadow{
width: container.width
height: container.height
x: container.x
y: container.y + 10
visible: container.visible
source: container
horizontalOffset: 0
verticalOffset: 2
radius: 10
samples: 15
color: "#22000000"
}
SuggestionFilter {
id: filterItem
sourceModel: container.model
cursorPosition: container.cursorPosition
}
ListView {
id: listView
model: mentionsListDelegate
keyNavigationEnabled: true
anchors.fill: parent
anchors.topMargin: Style.current.halfPadding
anchors.leftMargin: Style.current.halfPadding
anchors.rightMargin: Style.current.halfPadding
anchors.bottomMargin: Style.current.halfPadding
clip: true
property int selectedIndex
property var selectedItem: selectedIndex == -1 ? null : model[selectedIndex]
signal suggestionClicked(var item)
DelegateModelGeneralized {
id: mentionsListDelegate
lessThan: [
function(left, right) {
// Priorities:
// 1. Match at the start
// 2. Match in the start of one of the three words
// 3. Alphabetical order (also in case of multiple matches at the start of the name)
const leftProp = left[container.property.find(p => !!left[p])].toLowerCase()
const rightProp = right[container.property.find(p => !!right[p])].toLowerCase()
if (!formattedPlainTextFilter) {
return leftProp < rightProp
}
// check the start of the string
const leftMatches = leftProp.startsWith(formattedPlainTextFilter)
const rightMatches = rightProp.startsWith(formattedPlainTextFilter)
if (leftMatches === true && rightMatches === true) {
return leftProp < rightProp
}
if (leftMatches || rightMatches) {
return leftMatches && !rightMatches
}
// Check for the start of the 3 word names
let leftMatchesIndex = leftProp.indexOf(" " + formattedPlainTextFilter)
let rightMatchesIndex = rightProp.indexOf(" " + formattedPlainTextFilter)
if (leftMatchesIndex === rightMatchesIndex) {
return leftProp < rightProp
}
// Change index so that -1 is not the smallest
if (leftMatchesIndex === -1) {
leftMatchesIndex = 999
}
if (rightMatchesIndex === -1) {
rightMatchesIndex = 999
}
return leftMatchesIndex < rightMatchesIndex
}
]
model: container.suggestionsModel
delegate: Rectangle {
id: itemDelegate
color: ListView.isCurrentItem ? Style.current.backgroundHover : Style.current.transparent
border.width: 0
width: parent.width
height: 42
radius: Style.current.radius
StatusImageIdenticon {
id: accountImage
width: 32
height: 32
anchors.verticalCenter: parent.verticalCenter
anchors.left: parent.left
anchors.leftMargin: Style.current.smallPadding
source: model.identicon
}
StyledText {
text: model[container.property.find(p => !!model[p])]
color: Style.current.textColor
anchors.verticalCenter: parent.verticalCenter
anchors.left: accountImage.right
anchors.leftMargin: Style.current.smallPadding
font.pixelSize: 15
}
MouseArea {
cursorShape: Qt.PointingHandCursor
anchors.fill: parent
hoverEnabled: true
onEntered: {
listView.currentIndex = itemDelegate.DelegateModel.itemsIndex
}
onClicked: {
container.itemSelected(model, filterItem.lastAtPosition, filterItem.cursorPosition)
}
}
}
}
}
}