mirror of
https://github.com/alicevision/Meshroom.git
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b46a2dbba1
* use it in MetadataListView and GraphEditor 'add Node' menu * GraphEditor: forward MenuItem key events to searchBar to be able to continue editing the filter even if it lost active focus
533 lines
19 KiB
QML
Executable file
533 lines
19 KiB
QML
Executable file
import QtQuick 2.7
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import QtQuick.Controls 2.3
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import QtQuick.Layouts 1.3
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import Controls 1.0
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import Utils 1.0
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import MaterialIcons 2.2
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/**
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A component displaying a Graph (nodes, attributes and edges).
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*/
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Item {
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id: root
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property variant uigraph: null /// Meshroom ui graph (UIGraph)
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readonly property variant graph: uigraph ? uigraph.graph : null /// core graph contained in ui graph
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property variant nodeTypesModel: null /// the list of node types that can be instantiated
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property bool readOnly: false
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property var _attributeToDelegate: ({})
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// signals
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signal workspaceMoved()
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signal workspaceClicked()
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signal nodeDoubleClicked(var mouse, var node)
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// trigger initial fit() after initialization
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// (ensure GraphEditor has its final size)
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Component.onCompleted: firstFitTimer.start()
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Timer {
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id: firstFitTimer
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running: false
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interval: 10
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onTriggered: fit()
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}
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clip: true
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SystemPalette { id: activePalette }
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/// Get node delegate for the given node object
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function nodeDelegate(node)
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{
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for(var i=0; i<nodeRepeater.count; ++i)
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{
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if(nodeRepeater.itemAt(i).node === node)
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return nodeRepeater.itemAt(i)
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}
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return undefined
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}
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/// Select node delegate
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function selectNode(node)
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{
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uigraph.selectedNode = node
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}
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/// Duplicate a node and optionnally all the following ones
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function duplicateNode(node, duplicateFollowingNodes) {
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if(root.readOnly)
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return;
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var nodes = uigraph.duplicateNode(node, duplicateFollowingNodes)
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selectNode(nodes[0])
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}
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Keys.onPressed: {
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if(event.key === Qt.Key_F)
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fit()
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}
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MouseArea {
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id: mouseArea
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anchors.fill: parent
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property double factor: 1.15
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property real minZoom: 0.1
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property real maxZoom: 2.0
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// Activate multisampling for edges antialiasing
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layer.enabled: true
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layer.samples: 8
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hoverEnabled: true
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acceptedButtons: Qt.LeftButton | Qt.RightButton | Qt.MiddleButton
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drag.threshold: 0
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onWheel: {
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var zoomFactor = wheel.angleDelta.y > 0 ? factor : 1/factor
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var scale = draggable.scale * zoomFactor
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scale = Math.min(Math.max(minZoom, scale), maxZoom)
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if(draggable.scale == scale)
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return
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var point = mapToItem(draggable, wheel.x, wheel.y)
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draggable.x += (1-zoomFactor) * point.x * draggable.scale
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draggable.y += (1-zoomFactor) * point.y * draggable.scale
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draggable.scale = scale
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workspaceMoved()
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}
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onPressed: {
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if(mouse.button != Qt.MiddleButton && mouse.modifiers == Qt.NoModifier)
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selectNode(null)
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if(mouse.button == Qt.MiddleButton || (mouse.button & Qt.LeftButton && mouse.modifiers & Qt.ShiftModifier))
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drag.target = draggable // start drag
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}
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onReleased: {
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drag.target = undefined // stop drag
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root.forceActiveFocus()
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workspaceClicked()
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}
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onPositionChanged: {
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if(drag.active)
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workspaceMoved()
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}
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onClicked: {
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if(mouse.button == Qt.RightButton)
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{
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if(readOnly)
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lockedMenu.popup();
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else {
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// store mouse click position in 'draggable' coordinates as new node spawn position
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newNodeMenu.spawnPosition = mouseArea.mapToItem(draggable, mouse.x, mouse.y);
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newNodeMenu.popup();
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}
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}
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}
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// Contextual Menu for creating new nodes
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// TODO: add filtering + validate on 'Enter'
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Menu {
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id: newNodeMenu
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property point spawnPosition
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function createNode(nodeType)
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{
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// add node via the proper command in uigraph
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var node = uigraph.addNewNode(nodeType, spawnPosition)
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selectNode(node)
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}
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onVisibleChanged: {
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if(visible) {
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// when menu is shown,
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// clear and give focus to the TextField filter
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searchBar.clear()
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searchBar.forceActiveFocus()
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}
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}
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SearchBar {
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id: searchBar
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width: parent.width
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}
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Repeater {
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model: root.nodeTypesModel
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// Create Menu items from available node types model
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delegate: MenuItem {
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id: menuItemDelegate
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font.pointSize: 8
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padding: 3
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// Hide items that does not match the filter text
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visible: modelData.toLowerCase().indexOf(searchBar.text.toLowerCase()) > -1
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// Reset menu currentIndex if highlighted items gets filtered out
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onVisibleChanged: if(highlighted) newNodeMenu.currentIndex = 0
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text: modelData
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// Forward key events to the search bar to continue typing seamlessly
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// even if this delegate took the activeFocus due to mouse hovering
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Keys.forwardTo: [searchBar.textField]
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Keys.onPressed: {
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event.accepted = false;
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switch(event.key)
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{
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case Qt.Key_Return:
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case Qt.Key_Enter:
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// create node on validation (Enter/Return keys)
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newNodeMenu.createNode(modelData);
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newNodeMenu.close();
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event.accepted = true;
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break;
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default:
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searchBar.textField.forceActiveFocus();
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}
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}
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// Create node on mouse click
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onClicked: newNodeMenu.createNode(modelData)
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states: [
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State {
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// Additional property setting when the MenuItem is not visible
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when: !visible
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name: "invisible"
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PropertyChanges {
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target: menuItemDelegate
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height: 0 // make sure the item is no visible by setting height to 0
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focusPolicy: Qt.NoFocus // don't grab focus when not visible
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}
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}
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]
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}
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}
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}
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// Informative contextual menu when graph is read-only
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Menu {
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id: lockedMenu
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MenuItem {
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id: item
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font.pointSize: 8
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enabled: false
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text: "Computing - Graph is Locked!"
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}
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}
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Item {
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id: draggable
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transformOrigin: Item.TopLeft
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width: 1000
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height: 1000
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Menu {
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id: edgeMenu
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property var currentEdge: null
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MenuItem {
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text: "Remove"
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enabled: !root.readOnly
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onTriggered: uigraph.removeEdge(edgeMenu.currentEdge)
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}
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}
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// Edges
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Repeater {
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id: edgesRepeater
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// delay edges loading after nodes (edges needs attribute pins to be created)
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model: nodeRepeater.loaded ? root.graph.edges : undefined
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delegate: Edge {
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property var src: root._attributeToDelegate[edge.src]
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property var dst: root._attributeToDelegate[edge.dst]
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property var srcAnchor: src.nodeItem.mapFromItem(src, src.edgeAnchorPos.x, src.edgeAnchorPos.y)
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property var dstAnchor: dst.nodeItem.mapFromItem(dst, dst.edgeAnchorPos.x, dst.edgeAnchorPos.y)
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property bool inFocus: containsMouse || (edgeMenu.opened && edgeMenu.currentEdge == edge)
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edge: object
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color: inFocus ? activePalette.highlight : activePalette.text
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thickness: inFocus ? 2 : 1
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opacity: 0.7
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point1x: src.nodeItem.x + srcAnchor.x
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point1y: src.nodeItem.y + srcAnchor.y
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point2x: dst.nodeItem.x + dstAnchor.x
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point2y: dst.nodeItem.y + dstAnchor.y
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onPressed: {
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if(event.button == Qt.RightButton)
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{
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if(!root.readOnly && event.modifiers & Qt.AltModifier) {
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uigraph.removeEdge(edge)
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}
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else {
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edgeMenu.currentEdge = edge
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edgeMenu.popup()
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}
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}
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}
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}
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}
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Menu {
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id: nodeMenu
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property var currentNode: null
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property bool canComputeNode: currentNode != null && uigraph.graph.canCompute(currentNode)
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onClosed: currentNode = null
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MenuItem {
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text: "Compute"
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enabled: !uigraph.computing && !root.readOnly && nodeMenu.canComputeNode
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onTriggered: uigraph.execute(nodeMenu.currentNode)
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}
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MenuItem {
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text: "Submit"
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enabled: !uigraph.computing && !root.readOnly && nodeMenu.canComputeNode
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visible: uigraph.canSubmit
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height: visible ? implicitHeight : 0
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onTriggered: uigraph.submit(nodeMenu.currentNode)
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}
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MenuItem {
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text: "Open Folder"
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onTriggered: Qt.openUrlExternally(Filepath.stringToUrl(nodeMenu.currentNode.internalFolder))
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}
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MenuSeparator {}
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MenuItem {
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text: "Duplicate Node" + (duplicateFollowingButton.hovered ? "s From Here" : "")
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enabled: !root.readOnly
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onTriggered: duplicateNode(nodeMenu.currentNode, false)
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MaterialToolButton {
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id: duplicateFollowingButton
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height: parent.height
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anchors { right: parent.right; rightMargin: parent.padding }
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text: MaterialIcons.fast_forward
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onClicked: {
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duplicateNode(nodeMenu.currentNode, true);
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nodeMenu.close();
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}
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}
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}
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MenuItem {
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text: "Remove Node" + (removeFollowingButton.hovered ? "s From Here" : "")
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enabled: !root.readOnly
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onTriggered: uigraph.removeNode(nodeMenu.currentNode)
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MaterialToolButton {
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id: removeFollowingButton
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height: parent.height
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anchors { right: parent.right; rightMargin: parent.padding }
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text: MaterialIcons.fast_forward
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onClicked: {
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uigraph.removeNodesFrom(nodeMenu.currentNode);
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nodeMenu.close();
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}
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}
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}
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MenuSeparator {}
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MenuItem {
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text: "Delete Data" + (deleteFollowingButton.hovered ? " From Here" : "" ) + "..."
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enabled: !root.readOnly
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function showConfirmationDialog(deleteFollowing) {
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var obj = deleteDataDialog.createObject(root,
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{
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"node": nodeMenu.currentNode,
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"deleteFollowing": deleteFollowing
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});
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obj.open()
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nodeMenu.close();
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}
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onTriggered: showConfirmationDialog(false)
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MaterialToolButton {
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id: deleteFollowingButton
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anchors { right: parent.right; rightMargin: parent.padding }
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height: parent.height
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text: MaterialIcons.fast_forward
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onClicked: parent.showConfirmationDialog(true)
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}
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// Confirmation dialog for node cache deletion
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Component {
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id: deleteDataDialog
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MessageDialog {
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property var node
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property bool deleteFollowing: false
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focus: true
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modal: false
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header.visible: false
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text: "Delete Data computed by '" + node.label + (deleteFollowing ? "' and following Nodes?" : "'?")
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helperText: "Warning: This operation can not be undone."
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standardButtons: Dialog.Yes | Dialog.Cancel
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onAccepted: {
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if(deleteFollowing)
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graph.clearDataFrom(node);
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else
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node.clearData();
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}
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onClosed: destroy()
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}
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}
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}
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}
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// Nodes
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Repeater {
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id: nodeRepeater
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model: root.graph.nodes
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property bool loaded: count === model.count
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delegate: Node {
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id: nodeDelegate
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property bool animatePosition: true
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node: object
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width: uigraph.layout.nodeWidth
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readOnly: root.readOnly
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selected: uigraph.selectedNode === node
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hovered: uigraph.hoveredNode === node
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onSelectedChanged: if(selected) forceActiveFocus()
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onAttributePinCreated: registerAttributePin(attribute, pin)
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onAttributePinDeleted: unregisterAttributePin(attribute, pin)
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onPressed: {
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selectNode(node)
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if(mouse.button == Qt.LeftButton && mouse.modifiers & Qt.AltModifier)
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{
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duplicateNode(node, true)
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}
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if(mouse.button == Qt.RightButton)
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{
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nodeMenu.currentNode = node
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nodeMenu.popup()
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}
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}
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onDoubleClicked: root.nodeDoubleClicked(mouse, node)
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onMoved: uigraph.moveNode(node, position)
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onEntered: uigraph.hoveredNode = node
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onExited: uigraph.hoveredNode = null
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Keys.onDeletePressed: {
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if(root.readOnly)
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return;
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if(event.modifiers == Qt.AltModifier)
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uigraph.removeNodesFrom(node)
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else
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uigraph.removeNode(node)
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}
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Behavior on x {
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enabled: animatePosition
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NumberAnimation { duration: 100 }
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}
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Behavior on y {
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enabled: animatePosition
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NumberAnimation { duration: 100 }
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}
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}
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}
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}
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}
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// Toolbar
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FloatingPane {
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padding: 2
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anchors.bottom: parent.bottom
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RowLayout {
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spacing: 4
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// Fit
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MaterialToolButton {
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text: MaterialIcons.fullscreen
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ToolTip.text: "Fit"
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onClicked: root.fit()
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}
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// Auto-Layout
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MaterialToolButton {
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text: MaterialIcons.linear_scale
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ToolTip.text: "Auto-Layout"
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onClicked: uigraph.layout.reset()
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}
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// Separator
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Rectangle {
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Layout.fillHeight: true
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Layout.margins: 2
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implicitWidth: 1
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color: activePalette.window
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}
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// Settings
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MaterialToolButton {
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text: MaterialIcons.settings
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font.pointSize: 11
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onClicked: menu.open()
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Menu {
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id: menu
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y: -height
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padding: 4
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RowLayout {
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spacing: 2
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Label {
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padding: 2
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text: "Auto-Layout Depth:"
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}
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ComboBox {
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flat: true
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model: ['Minimum', 'Maximum']
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implicitWidth: 80
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currentIndex: uigraph.layout.depthMode
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onActivated: {
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uigraph.layout.depthMode = currentIndex
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}
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}
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}
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}
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}
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}
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}
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function registerAttributePin(attribute, pin)
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{
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root._attributeToDelegate[attribute] = pin
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}
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function unregisterAttributePin(attribute, pin)
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{
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delete root._attributeToDelegate[attribute]
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}
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function boundingBox()
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{
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var first = nodeRepeater.itemAt(0)
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var bbox = Qt.rect(first.x, first.y, first.x + first.width, first.y + first.height)
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for(var i=0; i<root.graph.nodes.count; ++i) {
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var item = nodeRepeater.itemAt(i)
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bbox.x = Math.min(bbox.x, item.x)
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bbox.y = Math.min(bbox.y, item.y)
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bbox.width = Math.max(bbox.width, item.x+item.width)
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bbox.height = Math.max(bbox.height, item.y+item.height)
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}
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bbox.width -= bbox.x
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bbox.height -= bbox.y
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return bbox;
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}
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// Fit graph to fill root
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function fit() {
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// compute bounding box
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var bbox = boundingBox()
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// rescale
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draggable.scale = Math.min(root.width/bbox.width, root.height/bbox.height)
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// recenter
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draggable.x = bbox.x*draggable.scale*-1 + (root.width-bbox.width*draggable.scale)*0.5
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draggable.y = bbox.y*draggable.scale*-1 + (root.height-bbox.height*draggable.scale)*0.5
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}
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}
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