import QtQuick 2.9
import QtQuick.Controls 2.3
import QtQuick.Layouts 1.3
import QtGraphicalEffects 1.0
import Utils 1.0
import MaterialIcons 2.2
/**
* Visual representation of a Graph Node.
*/
Item {
id: root
/// The underlying Node object
property variant node
/// Whether the node can be modified
property bool readOnly: node.locked
/// Whether the node is in compatibility mode
readonly property bool isCompatibilityNode: node ? node.hasOwnProperty("compatibilityIssue") : false
/// Mouse related states
property bool selected: false
property bool hovered: false
/// Styling
property color shadowColor: "#cc000000"
readonly property color defaultColor: isCompatibilityNode ? "#444" : activePalette.base
property color baseColor: defaultColor
Item {
id: m
property bool displayParams: false
}
// Mouse interaction related signals
signal pressed(var mouse)
signal doubleClicked(var mouse)
signal moved(var position)
signal entered()
signal exited()
/// Emitted when child attribute pins are created
signal attributePinCreated(var attribute, var pin)
/// Emitted when child attribute pins are deleted
signal attributePinDeleted(var attribute, var pin)
// use node name as object name to simplify debugging
objectName: node ? node.name : ""
// initialize position with node coordinates
x: root.node ? root.node.x : undefined
y: root.node ? root.node.y : undefined
implicitHeight: childrenRect.height
SystemPalette { id: activePalette }
Connections {
target: root.node
// update x,y when node position changes
onPositionChanged: {
root.x = root.node.x
root.y = root.node.y
}
}
// Whether an attribute can be displayed as an attribute pin on the node
function isFileAttributeBaseType(attribute) {
// ATM, only File attributes are meant to be connected
// TODO: review this if we want to connect something else
return attribute.type == "File"
|| (attribute.type == "ListAttribute" && attribute.desc.elementDesc.type == "File")
}
// Used to generate list of node's label sharing the same uid
function generateDuplicateList() {
let str = "Shares internal folder (data) with:"
for(let i = 0; i < node.duplicates.count; ++i) {
if(i % 5 === 0)
str += "
"
const currentNode = node.duplicates.at(i)
if(i === node.duplicates.count - 1) {
str += currentNode.nameToLabel(currentNode.name)
return str
}
str += (currentNode.nameToLabel(currentNode.name) + ", ")
}
return str
}
// Main Layout
MouseArea {
width: parent.width
height: body.height
drag.target: root
// small drag threshold to avoid moving the node by mistake
drag.threshold: 2
hoverEnabled: true
acceptedButtons: Qt.LeftButton | Qt.RightButton
onPressed: root.pressed(mouse)
onDoubleClicked: root.doubleClicked(mouse)
onEntered: root.entered()
onExited: root.exited()
drag.onActiveChanged: {
if(!drag.active)
{
root.moved(Qt.point(root.x, root.y));
}
}
cursorShape: drag.active ? Qt.ClosedHandCursor : Qt.ArrowCursor
// Selection border
Rectangle {
anchors.fill: nodeContent
anchors.margins: -border.width
visible: root.selected || root.hovered
border.width: 2.5
border.color: root.selected ? activePalette.highlight : Qt.darker(activePalette.highlight, 1.5)
opacity: 0.9
radius: background.radius
color: "transparent"
}
Rectangle {
id: background
anchors.fill: nodeContent
color: Qt.lighter(activePalette.base, 1.4)
layer.enabled: true
layer.effect: DropShadow { radius: 3; color: shadowColor }
radius: 3
opacity: 0.7
}
Rectangle {
id: nodeContent
width: parent.width
height: childrenRect.height
color: "transparent"
// Data Layout
Column {
id: body
width: parent.width
// Header
Rectangle {
id: header
width: parent.width
height: headerLayout.height
color: root.selected ? activePalette.highlight : root.baseColor
radius: background.radius
// Fill header's bottom radius
Rectangle {
width: parent.width
height: parent.radius
anchors.bottom: parent.bottom
color: parent.color
z: -1
}
// Header Layout
RowLayout {
id: headerLayout
width: parent.width
spacing: 0
// Node Name
Label {
Layout.fillWidth: true
text: node ? node.label : ""
padding: 4
color: root.selected ? "white" : activePalette.text
elide: Text.ElideMiddle
font.pointSize: 8
}
// Node State icons
RowLayout {
Layout.fillWidth: true
Layout.alignment: Qt.AlignRight
Layout.rightMargin: 2
spacing: 2
// CompatibilityBadge icon for CompatibilityNodes
Loader {
active: root.isCompatibilityNode
sourceComponent: CompatibilityBadge {
sourceComponent: iconDelegate
canUpgrade: root.node.canUpgrade
issueDetails: root.node.issueDetails
}
}
// Data sharing indicator
// Note: for an unknown reason, there are some performance issues with the UI refresh.
// Example: a node duplicated 40 times will be slow while creating another identical node
// (sharing the same uid) will not be as slow. If save, quit and reload, it will become slow.
MaterialToolButton {
property string baseText: "Shares internal folder (data) with other node(s). Hold click for details."
property string toolTipText: visible ? baseText : ""
visible: node.hasDuplicates
text: MaterialIcons.layers
font.pointSize: 7
padding: 2
palette.text: Colors.sysPalette.text
ToolTip.text: toolTipText
onPressed: { offsetReleased.running = false; toolTipText = visible ? generateDuplicateList() : "" }
onReleased: { toolTipText = "" ; offsetReleased.running = true }
onCanceled: released()
// Used for a better user experience with the button
// Avoid to change the text too quickly
Timer {
id: offsetReleased
interval: 750; running: false; repeat: false
onTriggered: parent.toolTipText = visible ? parent.baseText : ""
}
}
// Submitted externally indicator
MaterialLabel {
visible: ["SUBMITTED", "RUNNING"].includes(node.globalStatus) && node.chunks.count > 0 && node.globalExecMode === "EXTERN"
text: MaterialIcons.cloud
padding: 2
font.pointSize: 7
palette.text: Colors.sysPalette.text
ToolTip.text: "Computed Externally"
}
// Lock indicator
MaterialLabel {
visible: root.readOnly
text: MaterialIcons.lock
padding: 2
font.pointSize: 7
palette.text: "red"
ToolTip.text: "Locked"
}
}
}
}
// Node Chunks
NodeChunks {
defaultColor: Colors.sysPalette.mid
implicitHeight: 3
width: parent.width
model: node ? node.chunks : undefined
Rectangle {
anchors.fill: parent
color: Colors.sysPalette.mid
z: -1
}
}
// Vertical Spacer
Item { width: parent.width; height: 2 }
// Input/Output Attributes
Item {
id: nodeAttributes
width: parent.width - 2
height: childrenRect.height
anchors.horizontalCenter: parent.horizontalCenter
enabled: !root.readOnly && !root.isCompatibilityNode
Column {
id: attributesColumn
width: parent.width
spacing: 5
bottomPadding: 2
Column {
id: outputs
width: parent.width
spacing: 3
Repeater {
model: node ? node.attributes : undefined
delegate: Loader {
id: outputLoader
active: object.isOutput && isFileAttributeBaseType(object)
anchors.right: parent.right
width: outputs.width
sourceComponent: AttributePin {
id: outPin
nodeItem: root
attribute: object
property real globalX: root.x + nodeAttributes.x + outputs.x + outputLoader.x + outPin.x
property real globalY: root.y + nodeAttributes.y + outputs.y + outputLoader.y + outPin.y
readOnly: root.readOnly
onPressed: root.pressed(mouse)
Component.onCompleted: attributePinCreated(object, outPin)
Component.onDestruction: attributePinDeleted(attribute, outPin)
}
}
}
}
Column {
id: inputs
width: parent.width
spacing: 3
Repeater {
model: node ? node.attributes : undefined
delegate: Loader {
id: inputLoader
active: !object.isOutput && isFileAttributeBaseType(object)
width: inputs.width
sourceComponent: AttributePin {
id: inPin
nodeItem: root
attribute: object
property real globalX: root.x + nodeAttributes.x + inputs.x + inputLoader.x + inPin.x
property real globalY: root.y + nodeAttributes.y + inputs.y + inputLoader.y + inPin.y
readOnly: root.readOnly
Component.onCompleted: attributePinCreated(attribute, inPin)
Component.onDestruction: attributePinDeleted(attribute, inPin)
onPressed: root.pressed(mouse)
onChildPinCreated: attributePinCreated(childAttribute, inPin)
onChildPinDeleted: attributePinDeleted(childAttribute, inPin)
}
}
}
}
// Vertical Spacer
Rectangle {
height: inputParams.height > 0 ? 3 : 0
visible: (height == 3)
Behavior on height { PropertyAnimation {easing.type: Easing.Linear} }
width: parent.width
color: Colors.sysPalette.mid
MaterialToolButton {
text: " "
width: parent.width
height: parent.height
padding: 0
spacing: 0
anchors.margins: 0
font.pointSize: 6
onClicked: {
m.displayParams = ! m.displayParams
}
}
}
Rectangle {
id: inputParamsRect
width: parent.width
height: childrenRect.height
color: "transparent"
Column {
id: inputParams
width: parent.width
spacing: 3
Repeater {
id: inputParamsRepeater
model: node ? node.attributes : undefined
delegate: Loader {
id: paramLoader
active: !object.isOutput && !isFileAttributeBaseType(object)
property bool isFullyActive: (m.displayParams || object.isLink || object.hasOutputConnections)
width: parent.width
sourceComponent: AttributePin {
id: inPin
nodeItem: root
property real globalX: root.x + nodeAttributes.x + inputParamsRect.x + paramLoader.x + inPin.x
property real globalY: root.y + nodeAttributes.y + inputParamsRect.y + paramLoader.y + inPin.y
height: isFullyActive ? childrenRect.height : 0
Behavior on height { PropertyAnimation {easing.type: Easing.Linear} }
visible: (height == childrenRect.height)
attribute: object
readOnly: root.readOnly
Component.onCompleted: attributePinCreated(attribute, inPin)
Component.onDestruction: attributePinDeleted(attribute, inPin)
onPressed: root.pressed(mouse)
onChildPinCreated: attributePinCreated(childAttribute, inPin)
onChildPinDeleted: attributePinDeleted(childAttribute, inPin)
}
}
}
}
}
MaterialToolButton {
text: root.hovered ? (m.displayParams ? MaterialIcons.arrow_drop_up : MaterialIcons.arrow_drop_down) : " "
Layout.alignment: Qt.AlignBottom
width: parent.width
height: 5
padding: 0
spacing: 0
anchors.margins: 0
font.pointSize: 10
onClicked: {
m.displayParams = ! m.displayParams
}
}
}
}
}
}
}
}