Meshroom/meshroom/ui/qml/GraphEditor/GraphEditor.qml
waaake 3a04ce668f [ui] GraphEditor: Search filtering fix
Fixed the issue where navigation arrows on the Filtering was allowing to set an index even when the search had null as the result.

Accepted signal on the Seach invokes the function rather than invoking the sigal for the button
2024-11-30 20:14:13 +05:30

1216 lines
49 KiB
QML
Executable file

import QtQuick
import QtQuick.Controls
import QtQuick.Layouts
import Controls 1.0
import MaterialIcons 2.2
import Utils 1.0
/**
* A component displaying a Graph (nodes, attributes and edges).
*/
Item {
id: root
property variant uigraph: null /// Meshroom UI graph (UIGraph)
readonly property variant graph: uigraph ? uigraph.graph : null /// Core graph contained in the UI graph
property variant nodeTypesModel: null /// The list of node types that can be instantiated
property real maxZoom: 2.0
property real minZoom: 0.1
property var edgeAboutToBeRemoved: undefined
property var _attributeToDelegate: ({})
// Signals
signal workspaceMoved()
signal workspaceClicked()
signal nodeDoubleClicked(var mouse, var node)
signal computeRequest(var nodes)
signal submitRequest(var nodes)
signal dataDeleted()
property int nbMeshroomScenes: 0
property int nbDraggedFiles: 0
signal filesDropped(var drop, var mousePosition) // Files have been dropped
// Trigger initial fit() after initialization
// (ensure GraphEditor has its final size)
Component.onCompleted: firstFitTimer.start()
Timer {
id: firstFitTimer
running: false
interval: 10
onTriggered: fit()
}
clip: true
SystemPalette { id: activePalette }
/// Get node delegate for the given node object
function nodeDelegate(node) {
for(var i = 0; i < nodeRepeater.count; ++i) {
if (nodeRepeater.itemAt(i).node === node)
return nodeRepeater.itemAt(i)
}
return undefined
}
/// Select node delegate
function selectNode(node) {
uigraph.selectedNode = node
if (node !== null) {
uigraph.appendSelection(node)
uigraph.selectedNodesChanged()
}
}
onDataDeleted: {
if (computeMenuItem.recompute) {
computeRequest(uigraph.selectedNodes)
computeMenuItem.recompute = false
}
else if (submitMenuItem.resubmit) {
submitRequest(uigraph.selectedNodes)
submitMenuItem.resubmit = false
}
}
/// Duplicate a node and optionally all the following ones
function duplicateNode(duplicateFollowingNodes) {
var nodes
if (duplicateFollowingNodes) {
nodes = uigraph.duplicateNodesFrom(uigraph.selectedNodes)
} else {
nodes = uigraph.duplicateNodes(uigraph.selectedNodes)
}
uigraph.clearNodeSelection()
uigraph.selectedNode = nodes[0]
uigraph.selectNodes(nodes)
}
/// Copy node content to clipboard
function copyNodes() {
var nodeContent = uigraph.getSelectedNodesContent()
if (nodeContent !== '') {
Clipboard.clear()
Clipboard.setText(nodeContent)
}
}
/// Paste content of clipboard to graph editor and create new node if valid
function pasteNodes() {
var finalPosition = undefined
var centerPosition = false
if (mouseArea.containsMouse) {
if (uigraph.hoveredNode !== null) {
var node = nodeDelegate(uigraph.hoveredNode)
finalPosition = Qt.point(node.mousePosition.x + node.x, node.mousePosition.y + node.y)
} else {
finalPosition = mapToItem(draggable, mouseArea.mouseX, mouseArea.mouseY)
}
} else {
finalPosition = getCenterPosition()
centerPosition = true
}
var copiedContent = Clipboard.getText()
var nodes = uigraph.pasteNodes(copiedContent, finalPosition, centerPosition)
if (nodes.length > 0) {
uigraph.clearNodeSelection()
uigraph.selectedNode = nodes[0]
uigraph.selectNodes(nodes)
}
}
/// Get the coordinates of the point at the center of the GraphEditor
function getCenterPosition() {
return mapToItem(draggable, mouseArea.width / 2, mouseArea.height / 2)
}
Keys.onPressed: function(event) {
if (event.key === Qt.Key_F) {
fit()
} else if (event.key === Qt.Key_Delete) {
if (event.modifiers === Qt.AltModifier) {
uigraph.removeNodesFrom(uigraph.selectedNodes)
} else {
uigraph.removeNodes(uigraph.selectedNodes)
}
} else if (event.key === Qt.Key_D) {
duplicateNode(event.modifiers === Qt.AltModifier)
} else if (event.key === Qt.Key_X && event.modifiers === Qt.ControlModifier) {
copyNodes()
uigraph.removeNodes(uigraph.selectedNodes)
} else if (event.key === Qt.Key_C) {
if (event.modifiers === Qt.ControlModifier) {
copyNodes()
}
else {
colorSelector.toggle()
}
} else if (event.key === Qt.Key_V && event.modifiers === Qt.ControlModifier) {
pasteNodes()
} else if (event.key === Qt.Key_Tab) {
event.accepted = true
if (mouseArea.containsMouse) {
newNodeMenu.spawnPosition = mouseArea.mapToItem(draggable, mouseArea.mouseX, mouseArea.mouseY)
newNodeMenu.popup()
}
}
}
MouseArea {
id: mouseArea
anchors.fill: parent
property double factor: 1.15
// Activate multisampling for edges antialiasing
layer.enabled: true
layer.samples: 8
hoverEnabled: true
acceptedButtons: Qt.LeftButton | Qt.RightButton | Qt.MiddleButton
drag.threshold: 0
cursorShape: drag.target == draggable ? Qt.ClosedHandCursor : Qt.ArrowCursor
onWheel: function(wheel) {
var zoomFactor = wheel.angleDelta.y > 0 ? factor : 1 / factor
var scale = draggable.scale * zoomFactor
scale = Math.min(Math.max(minZoom, scale), maxZoom)
if (draggable.scale == scale)
return
var point = mapToItem(draggable, wheel.x, wheel.y)
draggable.x += (1 - zoomFactor) * point.x * draggable.scale
draggable.y += (1 - zoomFactor) * point.y * draggable.scale
draggable.scale = scale
workspaceMoved()
}
onPressed: function(mouse) {
if (mouse.button != Qt.MiddleButton && mouse.modifiers == Qt.NoModifier) {
uigraph.clearNodeSelection()
}
if (mouse.button == Qt.LeftButton && (mouse.modifiers == Qt.NoModifier || mouse.modifiers == Qt.ControlModifier)) {
boxSelect.startX = mouseX
boxSelect.startY = mouseY
boxSelectDraggable.x = mouseX
boxSelectDraggable.y = mouseY
drag.target = boxSelectDraggable
}
if (mouse.button == Qt.MiddleButton || (mouse.button == Qt.LeftButton && mouse.modifiers & Qt.ShiftModifier)) {
drag.target = draggable // start drag
}
}
onReleased: {
drag.target = undefined // stop drag
root.forceActiveFocus()
workspaceClicked()
}
onPositionChanged: {
if (drag.active)
workspaceMoved()
}
onClicked: function(mouse) {
if (mouse.button == Qt.RightButton) {
// Store mouse click position in 'draggable' coordinates as new node spawn position
newNodeMenu.spawnPosition = mouseArea.mapToItem(draggable, mouse.x, mouse.y)
newNodeMenu.popup()
}
}
// Contextual Menu for creating new nodes
// TODO: add filtering + validate on 'Enter'
Menu {
id: newNodeMenu
property point spawnPosition
property variant menuKeys: Object.keys(root.nodeTypesModel).concat(Object.values(MeshroomApp.pipelineTemplateNames))
height: searchBar.height + nodeMenuRepeater.height + instantiator.height
function createNode(nodeType) {
uigraph.clearNodeSelection() // Ensures that only the created node / imported pipeline will be selected
// "nodeType" might be a pipeline (artificially added in the "Pipelines" category) instead of a node
// If it is not a pipeline to import, then it must be a node
if (!importPipeline(nodeType)) {
// Add node via the proper command in uigraph
var node = uigraph.addNewNode(nodeType, spawnPosition)
selectNode(node)
}
close()
}
function importPipeline(pipeline) {
if (MeshroomApp.pipelineTemplateNames.includes(pipeline)) {
var url = MeshroomApp.pipelineTemplateFiles[MeshroomApp.pipelineTemplateNames.indexOf(pipeline)]["path"]
var nodes = uigraph.importProject(Filepath.stringToUrl(url), spawnPosition)
uigraph.selectedNode = nodes[0]
uigraph.selectNodes(nodes)
return true
}
return false
}
function parseCategories() {
// Organize nodes based on their category
// {"category1": ["node1", "node2"], "category2": ["node3", "node4"]}
let categories = {};
for (const [name, data] of Object.entries(root.nodeTypesModel)) {
let category = data["category"];
if (categories[category] === undefined) {
categories[category] = []
}
categories[category].push(name)
}
// Add a "Pipelines" category, filled with the list of templates to create pipelines from the menu
categories["Pipelines"] = MeshroomApp.pipelineTemplateNames
return categories
}
onVisibleChanged: {
searchBar.clear()
if (visible) {
// When menu is shown, give focus to the TextField filter
searchBar.forceActiveFocus()
}
}
SearchBar {
id: searchBar
width: parent.width
}
// menuItemDelegate is wrapped in a component so it can be used in both the search bar and sub-menus
Component {
id: menuItemDelegateComponent
MenuItem {
id: menuItemDelegate
font.pointSize: 8
padding: 3
// Hide items that does not match the filter text
visible: modelData.toLowerCase().indexOf(searchBar.text.toLowerCase()) > -1
text: modelData
// Forward key events to the search bar to continue typing seamlessly
// even if this delegate took the activeFocus due to mouse hovering
Keys.forwardTo: [searchBar.textField]
Keys.onPressed: function(event) {
event.accepted = false;
switch (event.key) {
case Qt.Key_Return:
case Qt.Key_Enter:
// Create node on validation (Enter/Return keys)
newNodeMenu.createNode(modelData)
event.accepted = true
break
case Qt.Key_Up:
case Qt.Key_Down:
case Qt.Key_Left:
case Qt.Key_Right:
break // Ignore if arrow key was pressed to let the menu be controlled
default:
searchBar.forceActiveFocus()
}
}
// Create node on mouse click
onClicked: newNodeMenu.createNode(modelData)
states: [
State {
// Additional property setting when the MenuItem is not visible
when: !visible
name: "invisible"
PropertyChanges {
target: menuItemDelegate
height: 0 // Make sure the item is no visible by setting height to 0
focusPolicy: Qt.NoFocus // Don't grab focus when not visible
}
}
]
}
}
Repeater {
id: nodeMenuRepeater
model: searchBar.text !== "" ? Object.values(newNodeMenu.menuKeys) : undefined
// Create Menu items from available items
delegate: menuItemDelegateComponent
}
// Dynamically add the menu categories
Instantiator {
id: instantiator
model: (searchBar.text === "") ? Object.keys(newNodeMenu.parseCategories()).sort() : undefined
onObjectAdded: function(index, object) {
// Add sub-menu under the search bar
newNodeMenu.insertMenu(index + 1, object)
}
onObjectRemoved: function(index, object) {
newNodeMenu.removeMenu(object)
}
delegate: Menu {
title: modelData
id: newNodeSubMenu
Instantiator {
model: newNodeMenu.visible ? newNodeMenu.parseCategories()[modelData] : undefined
onObjectAdded: function(index, object) {
newNodeSubMenu.insertItem(index, object)
}
onObjectRemoved: function(index, object) {
newNodeSubMenu.removeItem(object)
}
delegate: menuItemDelegateComponent
}
}
}
}
// Informative contextual menu when graph is read-only
Menu {
id: lockedMenu
MenuItem {
id: item
font.pointSize: 8
enabled: false
text: "Computing - Graph is Locked!"
}
}
Item {
id: draggable
transformOrigin: Item.TopLeft
width: 1000
height: 1000
Popup {
id: edgeMenu
property var currentEdge: null
property bool forLoop: false
onOpened: {
expandButton.canExpand = uigraph.canExpandForLoop(edgeMenu.currentEdge)
}
contentItem: Row {
IntSelector {
id: loopIterationSelector
tooltipText: "Iterations"
visible: edgeMenu.currentEdge && edgeMenu.forLoop
enabled: expandButton.canExpand
property var listAttr: edgeMenu.currentEdge ? edgeMenu.currentEdge.src.root : null
Connections {
target: edgeMenu
function onCurrentEdgeChanged() {
if (edgeMenu.currentEdge) {
loopIterationSelector.listAttr = edgeMenu.currentEdge.src.root
loopIterationSelector.value = loopIterationSelector.listAttr ? loopIterationSelector.listAttr.value.indexOf(edgeMenu.currentEdge.src) + 1 : 0
}
}
}
// We add 1 to the index because of human readable index (starting at 1)
value: listAttr ? listAttr.value.indexOf(edgeMenu.currentEdge.src) + 1 : 0
range: { "min": 1, "max": listAttr ? listAttr.value.count : 0 }
onValueChanged: {
if (listAttr === null) {
return
}
const newSrcAttr = listAttr.value.at(value - 1)
const dst = edgeMenu.currentEdge.dst
// If the edge exists, do not replace it
if (newSrcAttr === edgeMenu.currentEdge.src && dst === edgeMenu.currentEdge.dst) {
return
}
edgeMenu.currentEdge = uigraph.replaceEdge(edgeMenu.currentEdge, newSrcAttr, dst)
}
}
MaterialToolButton {
font.pointSize: 13
ToolTip.text: "Remove Edge"
enabled: edgeMenu.currentEdge && !edgeMenu.currentEdge.dst.node.locked && !edgeMenu.currentEdge.dst.isReadOnly
text: MaterialIcons.delete_
onClicked: {
uigraph.removeEdge(edgeMenu.currentEdge)
edgeMenu.close()
}
}
MaterialToolButton {
id: expandButton
property bool canExpand: edgeMenu.currentEdge && edgeMenu.forLoop
visible: edgeMenu.currentEdge && edgeMenu.forLoop && canExpand
enabled: edgeMenu.currentEdge && !edgeMenu.currentEdge.dst.node.locked && !edgeMenu.currentEdge.dst.isReadOnly
font.pointSize: 13
ToolTip.text: "Expand"
text: MaterialIcons.open_in_full
onClicked: {
edgeMenu.currentEdge = uigraph.expandForLoop(edgeMenu.currentEdge)
canExpand = false
edgeMenu.close()
}
}
MaterialToolButton {
id: collapseButton
visible: edgeMenu.currentEdge && edgeMenu.forLoop && !expandButton.canExpand
enabled: edgeMenu.currentEdge && !edgeMenu.currentEdge.dst.node.locked && !edgeMenu.currentEdge.dst.isReadOnly
font.pointSize: 13
ToolTip.text: "Collapse"
text: MaterialIcons.close_fullscreen
onClicked: {
uigraph.collapseForLoop(edgeMenu.currentEdge)
expandButton.canExpand = true
edgeMenu.close()
}
}
}
}
// Edges
Repeater {
id: edgesRepeater
// Delay edges loading after nodes (edges needs attribute pins to be created)
model: nodeRepeater.loaded && root.graph ? root.graph.edges : undefined
delegate: Edge {
property var src: root._attributeToDelegate[edge.src]
property var dst: root._attributeToDelegate[edge.dst]
property bool isValidEdge: src !== undefined && dst !== undefined
visible: isValidEdge && src.visible && dst.visible
property bool forLoop: src.attribute.type === "ListAttribute" && dst.attribute.type != "ListAttribute"
property bool inFocus: containsMouse || (edgeMenu.opened && edgeMenu.currentEdge === edge)
edge: object
isForLoop: forLoop
loopSize: forLoop ? edge.src.root.value.count : 0
iteration: forLoop ? edge.src.root.value.indexOf(edge.src) : 0
color: edge.dst === root.edgeAboutToBeRemoved ? "red" : inFocus ? activePalette.highlight : activePalette.text
thickness: {
if (forLoop) {
return (inFocus) ? 4 : 3
}
return (inFocus) ? 2 : 1
}
point1x: isValidEdge ? src.globalX + src.outputAnchorPos.x : 0
point1y: isValidEdge ? src.globalY + src.outputAnchorPos.y : 0
point2x: isValidEdge ? dst.globalX + dst.inputAnchorPos.x : 0
point2y: isValidEdge ? dst.globalY + dst.inputAnchorPos.y : 0
onPressed: function(event) {
const canEdit = !edge.dst.node.locked
if (event.button) {
if (canEdit && (event.modifiers & Qt.AltModifier)) {
uigraph.removeEdge(edge)
} else {
edgeMenu.currentEdge = edge
edgeMenu.forLoop = forLoop
var spawnPosition = mouseArea.mapToItem(draggable, mouseArea.mouseX, mouseArea.mouseY)
edgeMenu.x = spawnPosition.x
edgeMenu.y = spawnPosition.y
edgeMenu.open()
}
}
}
Component.onDestruction: {
// Handles the case where the edge is destroyed while hidden because it is replaced: the pins should be re-enabled
if (!_window.isClosing) {
// When the window is closing, the QML context becomes invalid, which causes function calls to result in errors
if (src && src !== undefined)
src.updatePin(true, true) // isSrc = true, isVisible = true
if (dst && dst !== undefined)
dst.updatePin(false, true) // isSrc = false, isVisible = true
}
}
}
}
Menu {
id: nodeMenu
property var currentNode: null
property bool canComputeNode: currentNode != null && uigraph.graph.canComputeTopologically(currentNode)
// canSubmitOrCompute: return int n : 0 >= n <= 3 | n=0 cannot submit or compute | n=1 can compute | n=2 can submit | n=3 can compute & submit
property int canSubmitOrCompute: currentNode != null && uigraph.graph.canSubmitOrCompute(currentNode)
property bool isComputed: {
var count = 0
for (var i = 0; i < uigraph.selectedNodes.count; ++i) {
var node = uigraph.selectedNodes.at(i)
if (!node)
continue
if (!node.isComputed)
return false
count += 1
}
return count > 0
}
width: 220
onClosed: currentNode = null
MenuItem {
id: computeMenuItem
property bool recompute: false
text: nodeMenu.isComputed ? "Recompute" : "Compute"
visible: {
var count = 0
for (var i = 0; i < uigraph.selectedNodes.count; ++i) {
var node = uigraph.selectedNodes.at(i)
if (!node)
continue
if (!node.isComputable)
return false
count += 1
}
return count > 0
}
height: visible ? implicitHeight : 0
enabled: {
var canCompute = false
for (var i = 0; i < uigraph.selectedNodes.count; ++i) {
var node = uigraph.selectedNodes.at(i)
if (!node)
continue
if (uigraph.graph.canComputeTopologically(node)) {
if (nodeMenu.isComputed) {
canCompute = true
} else if (uigraph.graph.canSubmitOrCompute(node) % 2 == 1) {
canCompute = true
}
}
}
return canCompute // canSubmit if canSubmitOrCompute == 1(can compute) or 3(can compute & submit)
}
onTriggered: {
if (nodeMenu.isComputed) {
recompute = true
deleteDataMenuItem.showConfirmationDialog(false)
} else {
computeRequest(uigraph.selectedNodes)
}
}
}
MenuItem {
id: submitMenuItem
property bool resubmit: false
text: nodeMenu.isComputed ? "Re-Submit" : "Submit"
visible: {
var count = 0
for (var i = 0; i < uigraph.selectedNodes.count; ++i) {
var node = uigraph.selectedNodes.at(i)
if (node && !node.isComputable)
return false
count += 1
}
return count > 0 || uigraph.canSubmit
}
height: visible ? implicitHeight : 0
enabled: {
var canSubmit = false
for (var i = 0; i < uigraph.selectedNodes.count; ++i) {
var node = uigraph.selectedNodes.at(i)
if (!node)
continue
if (uigraph.graph.canComputeTopologically(node)) {
if (nodeMenu.isComputed) {
canSubmit = true
} else if (uigraph.graph.canSubmitOrCompute(node) > 1) {
canSubmit = true
}
}
}
return canSubmit
}
onTriggered: {
if (nodeMenu.isComputed) {
resubmit = true
deleteDataMenuItem.showConfirmationDialog(false)
} else {
submitRequest(uigraph.selectedNodes)
}
}
}
MenuItem {
text: "Stop Computation"
enabled: nodeMenu.currentNode ? nodeMenu.currentNode.canBeStopped() : false
visible: enabled
height: visible ? implicitHeight : 0
onTriggered: uigraph.stopNodeComputation(nodeMenu.currentNode)
}
MenuItem {
text: "Cancel Computation"
enabled: nodeMenu.currentNode ? nodeMenu.currentNode.canBeCanceled() : false
visible: enabled
height: visible ? implicitHeight : 0
onTriggered: uigraph.cancelNodeComputation(nodeMenu.currentNode)
}
MenuItem {
text: "Open Folder"
visible: nodeMenu.currentNode ? nodeMenu.currentNode.isComputable : false
height: visible ? implicitHeight : 0
onTriggered: Qt.openUrlExternally(Filepath.stringToUrl(nodeMenu.currentNode.internalFolder))
}
MenuSeparator {
visible: nodeMenu.currentNode ? nodeMenu.currentNode.isComputable : false
}
MenuItem {
text: "Cut Node(s)"
enabled: true
ToolTip.text: "Copy selection to the clipboard and remove it"
ToolTip.visible: hovered
onTriggered: {
copyNodes()
uigraph.removeNodes(uigraph.selectedNodes)
}
}
MenuItem {
text: "Copy Node(s)"
enabled: true
ToolTip.text: "Copy selection to the clipboard"
ToolTip.visible: hovered
onTriggered: copyNodes()
}
MenuItem {
text: "Paste Node(s)"
enabled: true
ToolTip.text: "Copy selection to the clipboard and immediately paste it"
ToolTip.visible: hovered
onTriggered: {
copyNodes()
pasteNodes()
}
}
MenuItem {
text: "Duplicate Node(s)" + (duplicateFollowingButton.hovered ? " From Here" : "")
enabled: true
onTriggered: duplicateNode(false)
MaterialToolButton {
id: duplicateFollowingButton
height: parent.height
anchors {
right: parent.right
rightMargin: parent.padding
}
text: MaterialIcons.fast_forward
onClicked: {
duplicateNode(true)
nodeMenu.close()
}
}
}
MenuItem {
text: "Remove Node(s)" + (removeFollowingButton.hovered ? " From Here" : "")
enabled: nodeMenu.currentNode ? !nodeMenu.currentNode.locked : false
onTriggered: uigraph.removeNodes(uigraph.selectedNodes)
MaterialToolButton {
id: removeFollowingButton
height: parent.height
anchors {
right: parent.right
rightMargin: parent.padding
}
text: MaterialIcons.fast_forward
onClicked: {
uigraph.removeNodesFrom(uigraph.selectedNodes)
nodeMenu.close()
}
}
}
MenuSeparator {
visible: nodeMenu.currentNode ? nodeMenu.currentNode.isComputable : false
}
MenuItem {
id: deleteDataMenuItem
text: "Delete Data" + (deleteFollowingButton.hovered ? " From Here" : "" ) + "..."
visible: nodeMenu.currentNode ? nodeMenu.currentNode.isComputable : false
height: visible ? implicitHeight : 0
enabled: {
if (!nodeMenu.currentNode)
return false
// Check if the current node is locked (needed because it does not belong to its own duplicates list)
if (nodeMenu.currentNode.locked)
return false
// Check if at least one of the duplicate nodes is locked
for (let i = 0; i < nodeMenu.currentNode.duplicates.count; ++i) {
if (nodeMenu.currentNode.duplicates.at(i).locked)
return false
}
return true
}
function showConfirmationDialog(deleteFollowing) {
uigraph.forceNodesStatusUpdate()
var obj = deleteDataDialog.createObject(root,
{
"node": nodeMenu.currentNode,
"deleteFollowing": deleteFollowing
})
obj.open()
nodeMenu.close()
}
onTriggered: showConfirmationDialog(false)
MaterialToolButton {
id: deleteFollowingButton
anchors {
right: parent.right
rightMargin: parent.padding
}
height: parent.height
text: MaterialIcons.fast_forward
onClicked: parent.showConfirmationDialog(true)
}
// Confirmation dialog for node cache deletion
Component {
id: deleteDataDialog
MessageDialog {
property var node
property bool deleteFollowing: false
focus: true
modal: false
header.visible: false
text: "Delete Data of '" + node.label + "'" + (uigraph.selectedNodes.count > 1 ? " and other selected Nodes" : "") + (deleteFollowing ? " and following Nodes?" : "?")
helperText: "Warning: This operation cannot be undone."
standardButtons: Dialog.Yes | Dialog.Cancel
onAccepted: {
if (deleteFollowing)
uigraph.clearDataFrom(uigraph.selectedNodes)
else
uigraph.clearData(uigraph.selectedNodes)
root.dataDeleted()
}
onClosed: destroy()
}
}
}
}
// Nodes
Repeater {
id: nodeRepeater
model: root.graph ? root.graph.nodes : undefined
property bool loaded: model ? count === model.count : false
property bool dragging: false
property var temporaryEdgeAboutToBeRemoved: undefined
delegate: Node {
id: nodeDelegate
node: object
width: uigraph.layout.nodeWidth
mainSelected: uigraph.selectedNode === node
selected: uigraph.selectedNodes.contains(node)
hovered: uigraph.hoveredNode === node
onAttributePinCreated: function(attribute, pin) { registerAttributePin(attribute, pin) }
onAttributePinDeleted: function(attribute, pin) { unregisterAttributePin(attribute, pin) }
onPressed: function(mouse) {
if (mouse.button === Qt.LeftButton) {
if (mouse.modifiers & Qt.ControlModifier && !(mouse.modifiers & Qt.AltModifier)) {
if (mainSelected && selected) {
// Left clicking a selected node twice with control will deselect it
uigraph.selectedNodes.remove(node)
uigraph.selectedNodesChanged()
selectNode(null)
return
}
} else if (mouse.modifiers & Qt.AltModifier) {
if (!(mouse.modifiers & Qt.ControlModifier)) {
uigraph.clearNodeSelection()
}
uigraph.selectFollowing(node)
} else if (!mainSelected && !selected) {
uigraph.clearNodeSelection()
}
} else if (mouse.button === Qt.RightButton) {
if (!mainSelected && !selected) {
uigraph.clearNodeSelection()
}
nodeMenu.currentNode = node
nodeMenu.popup()
}
selectNode(node)
}
onDoubleClicked: function(mouse) { root.nodeDoubleClicked(mouse, node) }
onMoved: function(position) { uigraph.moveNode(node, position, uigraph.selectedNodes) }
onEntered: uigraph.hoveredNode = node
onExited: uigraph.hoveredNode = null
onEdgeAboutToBeRemoved: function(input) {
/*
* Sometimes the signals are not in the right order because of weird Qt/QML update order
* (next DropArea entered signal before previous DropArea exited signal) so edgeAboutToBeRemoved
* must be set to undefined before it can be set to another attribute object.
*/
if (input === undefined) {
if (nodeRepeater.temporaryEdgeAboutToBeRemoved === undefined) {
root.edgeAboutToBeRemoved = input
} else {
root.edgeAboutToBeRemoved = nodeRepeater.temporaryEdgeAboutToBeRemoved
nodeRepeater.temporaryEdgeAboutToBeRemoved = undefined
}
} else {
if (root.edgeAboutToBeRemoved === undefined) {
root.edgeAboutToBeRemoved = input
} else {
nodeRepeater.temporaryEdgeAboutToBeRemoved = input
}
}
}
onPositionChanged: {
if (dragging && uigraph.selectedNodes.contains(node)) {
// Update all selected nodes positions with this node that is being dragged
for (var i = 0; i < nodeRepeater.count; i++) {
var otherNode = nodeRepeater.itemAt(i)
if (uigraph.selectedNodes.contains(otherNode.node) && otherNode.node !== node) {
otherNode.x = otherNode.node.x + (x - node.x)
otherNode.y = otherNode.node.y + (y - node.y)
}
}
}
}
// Allow all nodes to know if they are being dragged
onDraggingChanged: nodeRepeater.dragging = dragging
// Must not be enabled during drag because the other nodes will be slow to match the movement of the node being dragged
Behavior on x {
enabled: !nodeRepeater.dragging
NumberAnimation { duration: 100 }
}
Behavior on y {
enabled: !nodeRepeater.dragging
NumberAnimation { duration: 100 }
}
}
}
}
Rectangle {
id: boxSelect
property int startX: 0
property int startY: 0
property int toX: boxSelectDraggable.x - startX
property int toY: boxSelectDraggable.y - startY
x: toX < 0 ? startX + toX : startX
y: toY < 0 ? startY + toY : startY
width: Math.abs(toX)
height: Math.abs(toY)
color: "transparent"
border.color: activePalette.text
visible: mouseArea.drag.target == boxSelectDraggable
onVisibleChanged: {
if (!visible) {
uigraph.boxSelect(boxSelect, draggable)
}
}
}
Item {
id: boxSelectDraggable
}
DropArea {
id: dropArea
anchors.fill: parent
keys: ["text/uri-list"]
onEntered: {
nbMeshroomScenes = 0
nbDraggedFiles = drag.urls.length
drag.urls.forEach(function(file) {
if (file.endsWith(".mg")) {
nbMeshroomScenes++
}
})
}
onDropped: function(drop) {
if (nbMeshroomScenes == nbDraggedFiles || nbMeshroomScenes == 0) {
// Retrieve mouse position and convert coordinate system
// from pixel values to graph reference system
var mousePosition = mapToItem(draggable, drag.x, drag.y)
// Send the list of files,
// to create the corresponding nodes or open another scene
filesDropped(drop, mousePosition)
} else {
errorDialog.open()
}
}
}
}
MessageDialog {
id: errorDialog
icon.text: MaterialIcons.error
icon.color: "#F44336"
title: "Different File Types"
text: "Do not mix .mg files and other types of files."
standardButtons: Dialog.Ok
parent: Overlay.overlay
onAccepted: close()
}
// Toolbar
FloatingPane {
padding: 2
anchors.bottom: parent.bottom
RowLayout {
id: navigation
spacing: 4
// Default index for search
property int currentIndex: -1
// Fit
MaterialToolButton {
text: MaterialIcons.fullscreen
ToolTip.text: "Fit"
onClicked: root.fit()
}
// Auto-Layout
MaterialToolButton {
text: MaterialIcons.linear_scale
ToolTip.text: "Auto-Layout"
onClicked: uigraph.layout.reset()
}
// Separator
Rectangle {
Layout.fillHeight: true
Layout.margins: 2
implicitWidth: 1
color: activePalette.window
}
// Settings
MaterialToolButton {
text: MaterialIcons.settings
font.pointSize: 11
onClicked: menu.open()
Menu {
id: menu
y: -height
padding: 4
RowLayout {
spacing: 2
Label {
padding: 2
text: "Auto-Layout Depth:"
}
ComboBox {
flat: true
model: ['Minimum', 'Maximum']
implicitWidth: 85
currentIndex: uigraph ? uigraph.layout.depthMode : -1
onActivated: {
uigraph.layout.depthMode = currentIndex
}
}
}
}
}
// Separator
Rectangle {
Layout.fillHeight: true
Layout.margins: 2
implicitWidth: 1
color: activePalette.window
}
ColorSelector {
id: colorSelector
Layout.minimumWidth: colorSelector.width
// When a Color is selected
onColorSelected: (color)=> {
uigraph.setSelectedNodesColor(color)
}
}
// Separator
Rectangle {
Layout.fillHeight: true
Layout.margins: 2
implicitWidth: 1
color: activePalette.window
}
// Search nodes in the graph
SearchBar {
id: graphSearchBar
toggle: true // enable toggling the actual text field by the search button
Layout.minimumWidth: graphSearchBar.width
maxWidth: 150
textField.background.opacity: 0.5
textField.onTextChanged: navigation.currentIndex = -1
onAccepted: {
navigation.navigateForward()
}
}
MaterialToolButton {
text: MaterialIcons.arrow_left
padding: 0
visible: graphSearchBar.text !== ""
onClicked: navigation.navigateBackward()
}
MaterialToolButton {
id: nextArrow
text: MaterialIcons.arrow_right
padding: 0
visible: graphSearchBar.text !== ""
onClicked: navigation.navigateForward()
}
Label {
id: currentSearchLabel
text: " " + (navigation.currentIndex + 1) + "/" + filteredNodes.count
padding: 0
visible: graphSearchBar.text !== ""
}
Repeater {
id: filteredNodes
model: SortFilterDelegateModel {
model: root.graph ? root.graph.nodes : undefined
sortRole: "label"
filters: [{role: "label", value: graphSearchBar.text}]
delegate: Item {
visible: false // Hide the items to not affect the layout as the nodes model gets changes
property var index_: index
}
function modelData(item, roleName_) {
return item.model.object[roleName_]
}
}
}
function navigateForward() {
/**
* Moves the navigation index forwards and focuses on the next node as per index.
*/
if (!filteredNodes.count)
return
navigation.currentIndex++
if (navigation.currentIndex === filteredNodes.count)
navigation.currentIndex = 0
navigation.nextItem()
}
function navigateBackward() {
/**
* Moves the navigation index backwards and focuses on the previous node as per index.
*/
if (!filteredNodes.count)
return
navigation.currentIndex--
if (navigation.currentIndex === -1)
navigation.currentIndex = filteredNodes.count - 1
navigation.nextItem()
}
function nextItem() {
// Compute bounding box
var node = nodeRepeater.itemAt(filteredNodes.itemAt(navigation.currentIndex).index_)
var bbox = Qt.rect(node.x, node.y, node.width, node.height)
// Rescale to fit the bounding box in the view, zoom is limited to prevent huge text
draggable.scale = Math.min(Math.min(root.width / bbox.width, root.height / bbox.height),maxZoom)
// Recenter
draggable.x = bbox.x*draggable.scale * -1 + (root.width - bbox.width * draggable.scale) * 0.5
draggable.y = bbox.y*draggable.scale * -1 + (root.height - bbox.height * draggable.scale) * 0.5
}
}
}
function registerAttributePin(attribute, pin) {
root._attributeToDelegate[attribute] = pin
}
function unregisterAttributePin(attribute, pin) {
delete root._attributeToDelegate[attribute]
}
function boundingBox() {
var first = nodeRepeater.itemAt(0)
if (first === null) {
return Qt.rect(0, 0, 0, 0)
}
var bbox = Qt.rect(first.x, first.y, first.x + first.width, first.y + first.height)
for (var i = 0; i < root.graph.nodes.count; ++i) {
var item = nodeRepeater.itemAt(i)
bbox.x = Math.min(bbox.x, item.x)
bbox.y = Math.min(bbox.y, item.y)
bbox.width = Math.max(bbox.width, item.x + item.width)
bbox.height = Math.max(bbox.height, item.y + item.height)
}
bbox.width -= bbox.x
bbox.height -= bbox.y
return bbox;
}
// Fit graph to fill root
function fit() {
// Compute bounding box
var bbox = boundingBox()
// Rescale to fit the bounding box in the view, zoom is limited to prevent huge text
draggable.scale = Math.min(Math.min(root.width / bbox.width, root.height / bbox.height), maxZoom)
// Recenter
draggable.x = bbox.x * draggable.scale * -1 + (root.width - bbox.width * draggable.scale) * 0.5
draggable.y = bbox.y * draggable.scale * -1 + (root.height - bbox.height * draggable.scale) * 0.5
}
}