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// Copyright (C) 2022 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0 WITH Qt-GPL-exception-1.0
import QtQuick 2.15
import QtQuick.Layouts 1.15
import QtQuick.Controls 2.15
import HelperWidgets 2.0
import StudioControls 1.0 as StudioControls
import StudioTheme 1.0 as StudioTheme
import QtQuickDesignerTheme 1.0
Row {
id: root
property variant backendValue
property color textColor: colorLogic.highlight ? colorLogic.textColor
: StudioTheme.Values.themeTextColor
property string filter: "*.png *.gif *.jpg *.bmp *.jpeg *.svg *.pbm *.pgm *.ppm *.xbm *.xpm *.hdr *.ktx *.webp"
// This property takes an array of strings which define default items that should be added
// to the ComboBox model in addition to the items from the FileResourcesModel. This is used
// by QtQuick3D to add built-in primitives to the model.
property var defaultItems
// Current item
property string absoluteFilePath: ""
property alias comboBox: comboBox
property alias spacer: spacer
FileResourcesModel {
id: fileModel
modelNodeBackendProperty: modelNodeBackend
filter: root.filter
}
ColorLogic {
id: colorLogic
backendValue: root.backendValue
}
StudioControls.FilterComboBox {
id: comboBox
property ListModel listModel: ListModel {}
hasActiveDrag: activeDragSuffix !== "" && root.filter.includes(activeDragSuffix)
implicitWidth: StudioTheme.Values.singleControlColumnWidth
+ StudioTheme.Values.actionIndicatorWidth
width: implicitWidth
allowUserInput: true
// Note: highlightedIndex property isn't used because it has no setter and it doesn't reset
// when the combobox is closed by focusing on some other control.
property int hoverIndex: -1
DropArea {
id: dropArea
anchors.fill: parent
property string assetPath: ""
onEntered: function(drag) {
dropArea.assetPath = drag.getDataAsString(drag.keys[0]).split(",")[0]
drag.accepted = comboBox.hasActiveDrag
comboBox.hasActiveHoverDrag = drag.accepted
}
onExited: comboBox.hasActiveHoverDrag = false
onDropped: function(drop) {
drop.accepted = comboBox.hasActiveHoverDrag
comboBox.editText = dropArea.assetPath
comboBox.accepted()
comboBox.hasActiveHoverDrag = false
root.backendValue.commitDrop(dropArea.assetPath)
}
}
ToolTip {
id: toolTip
visible: comboBox.hover && toolTip.text !== ""
text: root.backendValue.valueToString
delay: StudioTheme.Values.toolTipDelay
background: Rectangle {
color: StudioTheme.Values.themeToolTipBackground
border.color: StudioTheme.Values.themeToolTipOutline
border.width: StudioTheme.Values.border
}
contentItem: RowLayout {
spacing: 10
Item {
visible: thumbnail.status === Image.Ready
Layout.preferredWidth: 100
Layout.preferredHeight: 100
Image {
id: checker
visible: !root.isMesh(root.absoluteFilePath)
anchors.fill: parent
fillMode: Image.Tile
source: "images/checkers.png"
}
Image {
id: thumbnail
asynchronous: true
anchors.fill: parent
fillMode: Image.PreserveAspectFit
source: {
if (root.isBuiltInPrimitive(root.absoluteFilePath))
return "image://qmldesigner_thumbnails/"
+ root.absoluteFilePath.substring(1, root.absoluteFilePath.length)
+ ".builtin"
if (fileModel.isLocal(root.absoluteFilePath))
return "image://qmldesigner_thumbnails/" + root.absoluteFilePath
return root.absoluteFilePath
}
}
}
ColumnLayout {
Text {
text: root.fileName(toolTip.text)
color: StudioTheme.Values.themeToolTipText
font: toolTip.font
}
Text {
Layout.fillWidth: true
text: root.isBuiltInPrimitive(toolTip.text) ? qsTr("Built-in primitive")
: toolTip.text
font: toolTip.font
color: StudioTheme.Values.themeToolTipText
wrapMode: Text.WordWrap
}
}
}
}
delegate: ItemDelegate {
required property string absoluteFilePath
required property string relativeFilePath
required property string name
required property int group
required property int index
id: delegateRoot
width: comboBox.popup.width - comboBox.popup.leftPadding - comboBox.popup.rightPadding
- (comboBox.popupScrollBar.visible ? comboBox.popupScrollBar.contentItem.implicitWidth + 2
: 0) // TODO Magic number
height: StudioTheme.Values.height - 2 * StudioTheme.Values.border
padding: 0
hoverEnabled: true
highlighted: comboBox.highlightedIndex === delegateRoot.DelegateModel.itemsIndex
onHoveredChanged: {
if (delegateRoot.hovered && !comboBox.popupMouseArea.active)
comboBox.setHighlightedIndexItems(delegateRoot.DelegateModel.itemsIndex)
}
onClicked: comboBox.selectItem(delegateRoot.DelegateModel.itemsIndex)
indicator: Item {
id: itemDelegateIconArea
width: delegateRoot.height
height: delegateRoot.height
Label {
id: itemDelegateIcon
text: StudioTheme.Constants.tickIcon
color: delegateRoot.highlighted ? StudioTheme.Values.themeTextSelectedTextColor
: StudioTheme.Values.themeTextColor
font.family: StudioTheme.Constants.iconFont.family
font.pixelSize: StudioTheme.Values.spinControlIconSizeMulti
visible: comboBox.currentIndex === delegateRoot.DelegateModel.itemsIndex ? true
: false
anchors.fill: parent
renderType: Text.NativeRendering
horizontalAlignment: Text.AlignHCenter
verticalAlignment: Text.AlignVCenter
}
}
contentItem: Text {
leftPadding: itemDelegateIconArea.width
text: name
color: delegateRoot.highlighted ? StudioTheme.Values.themeTextSelectedTextColor
: StudioTheme.Values.themeTextColor
font: comboBox.font
elide: Text.ElideRight
verticalAlignment: Text.AlignVCenter
}
background: Rectangle {
x: 0
y: 0
width: delegateRoot.width
height: delegateRoot.height
color: delegateRoot.highlighted ? StudioTheme.Values.themeInteraction
: "transparent"
}
ToolTip {
id: delegateToolTip
visible: delegateRoot.hovered
text: delegateRoot.relativeFilePath
delay: StudioTheme.Values.toolTipDelay
background: Rectangle {
color: StudioTheme.Values.themeToolTipBackground
border.color: StudioTheme.Values.themeToolTipOutline
border.width: StudioTheme.Values.border
}
contentItem: RowLayout {
spacing: 10
Item {
visible: delegateThumbnail.status === Image.Ready
Layout.preferredWidth: 100
Layout.preferredHeight: 100
Image {
id: delegateChecker
visible: !root.isMesh(delegateRoot.absoluteFilePath)
anchors.fill: parent
fillMode: Image.Tile
source: "images/checkers.png"
}
Image {
id: delegateThumbnail
asynchronous: true
anchors.fill: parent
fillMode: Image.PreserveAspectFit
source: {
if (root.isBuiltInPrimitive(delegateRoot.name))
return "image://qmldesigner_thumbnails/"
+ delegateRoot.name.substring(1, delegateRoot.name.length)
+ ".builtin"
return "image://qmldesigner_thumbnails/" + delegateRoot.absoluteFilePath
}
}
}
ColumnLayout {
Text {
text: delegateRoot.name
color: StudioTheme.Values.themeToolTipText
font: delegateToolTip.font
}
Text {
Layout.fillWidth: true
text: root.isBuiltInPrimitive(delegateToolTip.text)
? qsTr("Built-in primitive")
: delegateToolTip.text
font: delegateToolTip.font
color: StudioTheme.Values.themeToolTipText
wrapMode: Text.WordWrap
}
}
}
}
}
actionIndicator.icon.color: extFuncLogic.color
actionIndicator.icon.text: extFuncLogic.glyph
actionIndicator.onClicked: extFuncLogic.show()
actionIndicator.forceVisible: extFuncLogic.menuVisible
ExtendedFunctionLogic {
id: extFuncLogic
backendValue: root.backendValue
onReseted: comboBox.editText = ""
}
property bool isComplete: false
property bool dirty: false
onEditTextChanged: comboBox.dirty = true
function setCurrentText(text) {
comboBox.currentIndex = comboBox.find(text)
comboBox.setHighlightedIndexItems(comboBox.currentIndex)
comboBox.autocompleteString = ""
comboBox.editText = text
comboBox.dirty = false
}
// Takes into account applied bindings
function updateTextValue() {
if (root.backendValue.isBound) {
comboBox.textValue = root.backendValue.expression
} else {
// Can be absolute or relative file path
var filePath = root.backendValue.valueToString
comboBox.textValue = filePath.substr(filePath.lastIndexOf('/') + 1)
}
comboBox.setCurrentText(comboBox.textValue)
}
Connections {
target: root.backendValue
function onIsBoundChanged() { comboBox.updateTextValue() }
function onExpressionChanged() { comboBox.updateTextValue() }
function onValueChangedQml() { comboBox.updateTextValue() }
}
property string textValue: ""
onModelChanged: {
if (!comboBox.isComplete)
return
comboBox.setCurrentText(comboBox.textValue)
}
onAccepted: {
if (!comboBox.isComplete)
return
let inputValue = comboBox.editText
// Check if value set by user matches with a name in the model then pick the full path
let index = comboBox.find(inputValue)
if (index !== -1)
inputValue = comboBox.items.get(index).model.relativeFilePath
root.backendValue.value = inputValue
if (!root.backendValue.isBound)
root.absoluteFilePath = fileModel.resolve(root.backendValue.value)
comboBox.dirty = false
}
onFocusChanged: {
if (comboBox.dirty)
comboBox.handleActivate(comboBox.currentIndex)
}
onCompressedActivated: function (index) {
comboBox.handleActivate(index)
}
function handleActivate(index) {
if (root.backendValue === undefined || !comboBox.isComplete)
return
let inputValue = comboBox.editText
if (index >= 0)
inputValue = comboBox.items.get(index).model.relativeFilePath
if (root.backendValue.value !== inputValue)
root.backendValue.value = inputValue
if (!root.backendValue.isBound)
root.absoluteFilePath = fileModel.resolve(root.backendValue.value)
comboBox.dirty = false
}
Component.onCompleted: {
// Hack to style the text input
for (var i = 0; i < comboBox.children.length; i++) {
if (comboBox.children[i].text !== undefined) {
comboBox.children[i].color = root.textColor
comboBox.children[i].anchors.rightMargin = 34
}
}
comboBox.isComplete = true
comboBox.setCurrentText(comboBox.textValue)
}
}
function isBuiltInPrimitive(value) {
return value.startsWith('#')
}
function isMesh(value) {
return root.isBuiltInPrimitive(value)
|| root.hasFileExtension(root.fileName(value), "mesh")
}
function hasFileExtension(fileName, extension) {
return fileName.split('.').pop() === extension
}
function fileName(filePath) {
return filePath.substr(filePath.lastIndexOf('/') + 1)
}
function createModel() {
// Build the combobox model
comboBox.listModel.clear()
// While adding items to the model this binding needs to be interrupted, otherwise the
// update function of the SortFilterModel is triggered every time on append() which makes
// QtDS very slow. This will happen when selecting different items in the scene.
comboBox.model = {}
if (root.defaultItems !== undefined) {
for (var i = 0; i < root.defaultItems.length; ++i) {
comboBox.listModel.append({
absoluteFilePath: "",
relativeFilePath: root.defaultItems[i],
name: root.defaultItems[i],
group: 0
})
}
}
const myModel = fileModel.model
for (var j = 0; j < myModel.length; ++j) {
let item = myModel[j]
comboBox.listModel.append({
absoluteFilePath: item.absoluteFilePath,
relativeFilePath: item.relativeFilePath,
name: item.fileName,
group: 1
})
}
comboBox.model = Qt.binding(function() { return comboBox.listModel })
}
Connections {
target: fileModel
function onModelChanged() {
root.createModel()
comboBox.setCurrentText(comboBox.textValue)
}
}
onDefaultItemsChanged: root.createModel()
Component.onCompleted: {
root.createModel()
comboBox.updateTextValue()
if (!root.backendValue.isBound)
root.absoluteFilePath = fileModel.resolve(root.backendValue.value)
}
function indexOf(model, criteria) {
for (var i = 0; i < model.count; ++i) {
if (criteria(model.get(i)))
return i
}
return -1
}
Connections {
target: comboBox
function onStateChanged(state) {
// update currentIndex when the popup opens to override the default behavior in super classes
// that selects currentIndex based on values in the combo box.
if (comboBox.popup.opened && !root.backendValue.isBound) {
var index = root.indexOf(comboBox.items,
function(item) {
return item.relativeFilePath === root.backendValue.value
})
if (index !== -1) {
comboBox.currentIndex = index
comboBox.hoverIndex = index
comboBox.editText = comboBox.items.get(index).model.name
}
}
}
}
Spacer { id: spacer
implicitWidth: StudioTheme.Values.twoControlColumnGap
}
IconIndicator {
icon: StudioTheme.Constants.addFile
iconColor: root.textColor
onClicked: {
fileModel.openFileDialog()
if (fileModel.fileName !== "") {
root.backendValue.value = fileModel.fileName
root.absoluteFilePath = fileModel.resolve(root.backendValue.value)
}
}
}
}
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