/
view.js
6367 lines (5980 loc) · 277 KB
/
view.js
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/**
* Copyright JS Foundation and other contributors, http://js.foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
/* <div>#red-ui-workspace-chart
* \- <svg> "outer"
* \- <g>
* \- <g>.red-ui-workspace-chart-event-layer "eventLayer"
* |- <rect>.red-ui-workspace-chart-background
* |- <g>.red-ui-workspace-chart-grid "gridLayer"
* |- <g> "groupLayer"
* |- <g> "groupSelectLayer"
* |- <g> "linkLayer"
* |- <g> "junctionLayer"
* |- <g> "dragGroupLayer"
* |- <g> "nodeLayer"
*/
RED.view = (function() {
var space_width = 5000,
space_height = 5000,
lineCurveScale = 0.75,
scaleFactor = 1,
node_width = 100,
node_height = 30,
dblClickInterval = 650;
var touchLongPressTimeout = 1000,
startTouchDistance = 0,
startTouchCenter = [],
moveTouchCenter = [],
touchStartTime = 0;
var workspaceScrollPositions = {};
var gridSize = 20;
var snapGrid = false;
var activeSpliceLink;
var spliceActive = false;
var spliceTimer;
var groupHoverTimer;
var activeSubflow = null;
var activeNodes = [];
var activeLinks = [];
var activeJunctions = [];
var activeFlowLinks = [];
var activeLinkNodes = {};
var activeGroup = null;
var activeHoverGroup = null;
var activeGroups = [];
var dirtyGroups = {};
var mousedown_link = null;
var mousedown_node = null;
var mousedown_group = null;
var mousedown_port_type = null;
var mousedown_port_index = 0;
var mouseup_node = null;
var mouse_offset = [0,0];
var mouse_position = null;
var mouse_mode = 0;
var mousedown_group_handle = null;
var lasso = null;
var slicePath = null;
var slicePathLast = null;
var ghostNode = null;
var showStatus = false;
var lastClickNode = null;
var dblClickPrimed = null;
var clickTime = 0;
var clickElapsed = 0;
var scroll_position = [];
var quickAddActive = false;
var quickAddLink = null;
var showAllLinkPorts = -1;
var groupNodeSelectPrimed = false;
var lastClickPosition = [];
var selectNodesOptions;
let flashingNodeId;
var clipboard = "";
let clipboardSource
// Note: these are the permitted status colour aliases. The actual RGB values
// are set in the CSS - flow.scss/colors.scss
var status_colours = {
"red": "#c00",
"green": "#5a8",
"yellow": "#F9DF31",
"blue": "#53A3F3",
"grey": "#d3d3d3",
"gray": "#d3d3d3"
}
var PORT_TYPE_INPUT = 1;
var PORT_TYPE_OUTPUT = 0;
var chart;
var outer;
var eventLayer;
var gridLayer;
var linkLayer;
var junctionLayer;
var dragGroupLayer;
var groupSelectLayer;
var nodeLayer;
var groupLayer;
var drag_lines;
var movingSet = (function() {
var setIds = new Set();
var set = [];
var api = {
add: function(node) {
if (Array.isArray(node)) {
for (var i=0;i<node.length;i++) {
api.add(node[i]);
}
} else {
if (!setIds.has(node.id)) {
set.push({n:node});
setIds.add(node.id);
var links = RED.nodes.getNodeLinks(node.id,PORT_TYPE_INPUT).concat(RED.nodes.getNodeLinks(node.id,PORT_TYPE_OUTPUT))
for (var i=0,l=links.length;i<l;i++) {
var link = links[i]
if (link.source === node && setIds.has(link.target.id) ||
link.target === node && setIds.has(link.source.id)) {
selectedLinks.add(link)
}
}
}
}
},
remove: function(node, index) {
if (setIds.has(node.id)) {
setIds.delete(node.id);
if (index !== undefined && set[index].n === node) {
set.splice(index,1);
} else {
for (var i=0;i<set.length;i++) {
if (set[i].n === node) {
set.splice(i,1)
break;
}
}
}
var links = RED.nodes.getNodeLinks(node.id,PORT_TYPE_INPUT).concat(RED.nodes.getNodeLinks(node.id,PORT_TYPE_OUTPUT))
for (var i=0,l=links.length;i<l;i++) {
selectedLinks.remove(links[i]);
}
}
},
clear: function() {
setIds.clear();
set = [];
},
length: function() { return set.length},
get: function(i) { return set[i] },
forEach: function(func) { set.forEach(func) },
nodes: function() { return set.map(function(n) { return n.n })},
has: function(node) { return setIds.has(node.id) }
}
return api;
})();
var selectedLinks = (function() {
var links = new Set();
return {
add: function(link) {
links.add(link);
link.selected = true;
},
remove: function(link) {
links.delete(link);
link.selected = false;
},
clear: function() {
links.forEach(function(link) { link.selected = false })
links.clear();
},
length: function() {
return links.size;
},
forEach: function(func) { links.forEach(func) },
has: function(link) { return links.has(link) },
toArray: function() { return Array.from(links) }
}
})();
function init() {
chart = $("#red-ui-workspace-chart");
chart.on('contextmenu', function(evt) {
evt.preventDefault()
evt.stopPropagation()
RED.contextMenu.show({
x:evt.clientX-5,
y:evt.clientY-5
})
return false
})
outer = d3.select("#red-ui-workspace-chart")
.append("svg:svg")
.attr("width", space_width)
.attr("height", space_height)
.attr("pointer-events", "all")
.style("cursor","crosshair")
.style("touch-action","none")
.on("mousedown", function() {
focusView();
})
.on("contextmenu", function(){
d3.event.preventDefault();
});
eventLayer = outer
.append("svg:g")
.on("dblclick.zoom", null)
.append("svg:g")
.attr('class','red-ui-workspace-chart-event-layer')
.on("mousemove", canvasMouseMove)
.on("mousedown", canvasMouseDown)
.on("mouseup", canvasMouseUp)
.on("mouseenter", function() {
d3.select(document).on('mouseup.red-ui-workspace-tracker', null)
if (lasso) {
if (d3.event.buttons !== 1) {
lasso.remove();
lasso = null;
}
} else if (mouse_mode === RED.state.PANNING && d3.event.buttons !== 4) {
resetMouseVars();
} else if (slicePath) {
if (d3.event.buttons !== 2) {
slicePath.remove();
slicePath = null;
resetMouseVars()
}
}
})
.on("mouseleave", canvasMouseLeave)
.on("touchend", function() {
d3.event.preventDefault();
clearTimeout(touchStartTime);
touchStartTime = null;
if (RED.touch.radialMenu.active()) {
return;
}
canvasMouseUp.call(this);
})
.on("touchcancel", function() {
if (RED.view.DEBUG) { console.warn("eventLayer.touchcancel", mouse_mode); }
d3.event.preventDefault();
canvasMouseUp.call(this);
})
.on("touchstart", function() {
if (RED.view.DEBUG) { console.warn("eventLayer.touchstart", mouse_mode); }
var touch0;
if (d3.event.touches.length>1) {
clearTimeout(touchStartTime);
touchStartTime = null;
d3.event.preventDefault();
touch0 = d3.event.touches.item(0);
var touch1 = d3.event.touches.item(1);
var a = touch0["pageY"]-touch1["pageY"];
var b = touch0["pageX"]-touch1["pageX"];
var offset = chart.offset();
var scrollPos = [chart.scrollLeft(),chart.scrollTop()];
startTouchCenter = [
(touch1["pageX"]+(b/2)-offset.left+scrollPos[0])/scaleFactor,
(touch1["pageY"]+(a/2)-offset.top+scrollPos[1])/scaleFactor
];
moveTouchCenter = [
touch1["pageX"]+(b/2),
touch1["pageY"]+(a/2)
]
startTouchDistance = Math.sqrt((a*a)+(b*b));
} else {
var obj = d3.select(document.body);
touch0 = d3.event.touches.item(0);
var pos = [touch0.pageX,touch0.pageY];
startTouchCenter = [touch0.pageX,touch0.pageY];
startTouchDistance = 0;
var point = d3.touches(this)[0];
touchStartTime = setTimeout(function() {
touchStartTime = null;
showTouchMenu(obj,pos);
//lasso = eventLayer.append("rect")
// .attr("ox",point[0])
// .attr("oy",point[1])
// .attr("rx",2)
// .attr("ry",2)
// .attr("x",point[0])
// .attr("y",point[1])
// .attr("width",0)
// .attr("height",0)
// .attr("class","nr-ui-view-lasso");
},touchLongPressTimeout);
}
d3.event.preventDefault();
})
.on("touchmove", function(){
if (RED.touch.radialMenu.active()) {
d3.event.preventDefault();
return;
}
if (RED.view.DEBUG) { console.warn("eventLayer.touchmove", mouse_mode, mousedown_node); }
var touch0;
if (d3.event.touches.length<2) {
if (touchStartTime) {
touch0 = d3.event.touches.item(0);
var dx = (touch0.pageX-startTouchCenter[0]);
var dy = (touch0.pageY-startTouchCenter[1]);
var d = Math.abs(dx*dx+dy*dy);
if (d > 64) {
clearTimeout(touchStartTime);
touchStartTime = null;
if (!mousedown_node && !mousedown_group) {
mouse_mode = RED.state.PANNING;
mouse_position = [touch0.pageX,touch0.pageY]
scroll_position = [chart.scrollLeft(),chart.scrollTop()];
}
}
} else if (lasso) {
d3.event.preventDefault();
}
canvasMouseMove.call(this);
} else {
touch0 = d3.event.touches.item(0);
var touch1 = d3.event.touches.item(1);
var a = touch0["pageY"]-touch1["pageY"];
var b = touch0["pageX"]-touch1["pageX"];
var offset = chart.offset();
var scrollPos = [chart.scrollLeft(),chart.scrollTop()];
var moveTouchDistance = Math.sqrt((a*a)+(b*b));
var touchCenter = [
touch1["pageX"]+(b/2),
touch1["pageY"]+(a/2)
];
if (!isNaN(moveTouchDistance)) {
oldScaleFactor = scaleFactor;
scaleFactor = Math.min(2,Math.max(0.3, scaleFactor + (Math.floor(((moveTouchDistance*100)-(startTouchDistance*100)))/10000)));
var deltaTouchCenter = [ // Try to pan whilst zooming - not 100%
startTouchCenter[0]*(scaleFactor-oldScaleFactor),//-(touchCenter[0]-moveTouchCenter[0]),
startTouchCenter[1]*(scaleFactor-oldScaleFactor) //-(touchCenter[1]-moveTouchCenter[1])
];
startTouchDistance = moveTouchDistance;
moveTouchCenter = touchCenter;
chart.scrollLeft(scrollPos[0]+deltaTouchCenter[0]);
chart.scrollTop(scrollPos[1]+deltaTouchCenter[1]);
redraw();
}
}
d3.event.preventDefault();
});
// Workspace Background
eventLayer.append("svg:rect")
.attr("class","red-ui-workspace-chart-background")
.attr("width", space_width)
.attr("height", space_height);
gridLayer = eventLayer.append("g").attr("class","red-ui-workspace-chart-grid");
updateGrid();
groupLayer = eventLayer.append("g");
groupSelectLayer = eventLayer.append("g");
linkLayer = eventLayer.append("g");
dragGroupLayer = eventLayer.append("g");
junctionLayer = eventLayer.append("g");
nodeLayer = eventLayer.append("g");
drag_lines = [];
RED.events.on("workspace:change",function(event) {
// Just in case the mouse left the workspace whilst doing an action,
// put us back into default mode so the refresh works
mouse_mode = 0
if (event.old !== 0) {
workspaceScrollPositions[event.old] = {
left:chart.scrollLeft(),
top:chart.scrollTop()
};
}
var scrollStartLeft = chart.scrollLeft();
var scrollStartTop = chart.scrollTop();
activeSubflow = RED.nodes.subflow(event.workspace);
RED.menu.setDisabled("menu-item-workspace-edit", activeSubflow || event.workspace === 0);
RED.menu.setDisabled("menu-item-workspace-delete",event.workspace === 0 || RED.workspaces.count() == 1 || activeSubflow);
if (workspaceScrollPositions[event.workspace]) {
chart.scrollLeft(workspaceScrollPositions[event.workspace].left);
chart.scrollTop(workspaceScrollPositions[event.workspace].top);
} else {
chart.scrollLeft(0);
chart.scrollTop(0);
}
var scrollDeltaLeft = chart.scrollLeft() - scrollStartLeft;
var scrollDeltaTop = chart.scrollTop() - scrollStartTop;
if (mouse_position != null) {
mouse_position[0] += scrollDeltaLeft;
mouse_position[1] += scrollDeltaTop;
}
if (RED.workspaces.selection().length === 0) {
clearSelection();
}
RED.nodes.eachNode(function(n) {
n.dirty = true;
n.dirtyStatus = true;
});
updateSelection();
updateActiveNodes();
redraw();
});
RED.statusBar.add({
id: "view-zoom-controls",
align: "right",
element: $('<span class="button-group">'+
'<button class="red-ui-footer-button" id="red-ui-view-zoom-out"><i class="fa fa-minus"></i></button>'+
'<button class="red-ui-footer-button" id="red-ui-view-zoom-zero"><i class="fa fa-circle-o"></i></button>'+
'<button class="red-ui-footer-button" id="red-ui-view-zoom-in"><i class="fa fa-plus"></i></button>'+
'</span>')
})
$("#red-ui-view-zoom-out").on("click", zoomOut);
RED.popover.tooltip($("#red-ui-view-zoom-out"),RED._('actions.zoom-out'),'core:zoom-out');
$("#red-ui-view-zoom-zero").on("click", zoomZero);
RED.popover.tooltip($("#red-ui-view-zoom-zero"),RED._('actions.zoom-reset'),'core:zoom-reset');
$("#red-ui-view-zoom-in").on("click", zoomIn);
RED.popover.tooltip($("#red-ui-view-zoom-in"),RED._('actions.zoom-in'),'core:zoom-in');
chart.on("DOMMouseScroll mousewheel", function (evt) {
if ( evt.altKey ) {
evt.preventDefault();
evt.stopPropagation();
var move = -(evt.originalEvent.detail) || evt.originalEvent.wheelDelta;
if (move <= 0) { zoomOut(); }
else { zoomIn(); }
}
});
//add search to status-toolbar
RED.statusBar.add({
id: "view-search-tools",
align: "left",
hidden: false,
element: $('<span class="button-group">'+
'<button class="red-ui-footer-button" id="red-ui-view-searchtools-search"><i class="fa fa-search"></i></button>' +
'</span>' +
'<span class="button-group search-counter">' +
'<span class="red-ui-footer-button" id="red-ui-view-searchtools-counter">? of ?</span>' +
'</span>' +
'<span class="button-group">' +
'<button class="red-ui-footer-button" id="red-ui-view-searchtools-prev"><i class="fa fa-chevron-left"></i></button>' +
'<button class="red-ui-footer-button" id="red-ui-view-searchtools-next"><i class="fa fa-chevron-right"></i></button>' +
'</span>' +
'<span class="button-group">' +
'<button class="red-ui-footer-button" id="red-ui-view-searchtools-close"><i class="fa fa-close"></i></button>' +
'</span>')
})
$("#red-ui-view-searchtools-search").on("click", searchFlows);
RED.popover.tooltip($("#red-ui-view-searchtools-search"),RED._('actions.search-flows'),'core:search');
$("#red-ui-view-searchtools-prev").on("click", searchPrev);
RED.popover.tooltip($("#red-ui-view-searchtools-prev"),RED._('actions.search-prev'),'core:search-previous');
$("#red-ui-view-searchtools-next").on("click", searchNext);
RED.popover.tooltip($("#red-ui-view-searchtools-next"),RED._('actions.search-next'),'core:search-next');
RED.popover.tooltip($("#red-ui-view-searchtools-close"),RED._('common.label.close'));
// Handle nodes dragged from the palette
chart.droppable({
accept:".red-ui-palette-node",
drop: function( event, ui ) {
d3.event = event;
var selected_tool = $(ui.draggable[0]).attr("data-palette-type");
var result = createNode(selected_tool);
if (!result) {
return;
}
var historyEvent = result.historyEvent;
var nn = result.node;
RED.nodes.add(nn);
var showLabel = RED.utils.getMessageProperty(RED.settings.get('editor'),"view.view-node-show-label");
if (showLabel !== undefined && (nn._def.hasOwnProperty("showLabel")?nn._def.showLabel:true) && !nn._def.defaults.hasOwnProperty("l")) {
nn.l = showLabel;
}
var helperOffset = d3.touches(ui.helper.get(0))[0]||d3.mouse(ui.helper.get(0));
var helperWidth = ui.helper.width();
var helperHeight = ui.helper.height();
var mousePos = d3.touches(this)[0]||d3.mouse(this);
try {
var isLink = (nn.type === "link in" || nn.type === "link out")
var hideLabel = nn.hasOwnProperty('l')?!nn.l : isLink;
var label = RED.utils.getNodeLabel(nn, nn.type);
var labelParts = getLabelParts(label, "red-ui-flow-node-label");
if (hideLabel) {
nn.w = node_height;
nn.h = Math.max(node_height,(nn.outputs || 0) * 15);
} else {
nn.w = Math.max(node_width,20*(Math.ceil((labelParts.width+50+(nn._def.inputs>0?7:0))/20)) );
nn.h = Math.max(6+24*labelParts.lines.length,(nn.outputs || 0) * 15, 30);
}
} catch(err) {
}
mousePos[1] += this.scrollTop + ((helperHeight/2)-helperOffset[1]);
mousePos[0] += this.scrollLeft + ((helperWidth/2)-helperOffset[0]);
mousePos[1] /= scaleFactor;
mousePos[0] /= scaleFactor;
nn.x = mousePos[0];
nn.y = mousePos[1];
var minX = nn.w/2 -5;
if (nn.x < minX) {
nn.x = minX;
}
var minY = nn.h/2 -5;
if (nn.y < minY) {
nn.y = minY;
}
var maxX = space_width -nn.w/2 +5;
if (nn.x > maxX) {
nn.x = maxX;
}
var maxY = space_height -nn.h +5;
if (nn.y > maxY) {
nn.y = maxY;
}
if (snapGrid) {
var gridOffset = RED.view.tools.calculateGridSnapOffsets(nn);
nn.x -= gridOffset.x;
nn.y -= gridOffset.y;
}
var spliceLink = $(ui.helper).data("splice");
if (spliceLink) {
// TODO: DRY - droppable/nodeMouseDown/canvasMouseUp/showQuickAddDialog
RED.nodes.removeLink(spliceLink);
var link1 = {
source:spliceLink.source,
sourcePort:spliceLink.sourcePort,
target: nn
};
var link2 = {
source:nn,
sourcePort:0,
target: spliceLink.target
};
RED.nodes.addLink(link1);
RED.nodes.addLink(link2);
historyEvent.links = [link1,link2];
historyEvent.removedLinks = [spliceLink];
}
var group = $(ui.helper).data("group");
if (group) {
var oldX = group.x;
var oldY = group.y;
RED.group.addToGroup(group, nn);
var moveEvent = null;
if ((group.x !== oldX) ||
(group.y !== oldY)) {
moveEvent = {
t: "move",
nodes: [{n: group,
ox: oldX, oy: oldY,
dx: group.x -oldX,
dy: group.y -oldY}],
dirty: true
};
}
historyEvent = {
t: 'multi',
events: [historyEvent],
};
if (moveEvent) {
historyEvent.events.push(moveEvent)
}
historyEvent.events.push({
t: "addToGroup",
group: group,
nodes: nn
})
}
RED.history.push(historyEvent);
RED.editor.validateNode(nn);
RED.nodes.dirty(true);
// auto select dropped node - so info shows (if visible)
exitActiveGroup();
clearSelection();
nn.selected = true;
movingSet.add(nn);
if (group) {
selectGroup(group,false);
enterActiveGroup(group);
activeGroup = group;
}
updateActiveNodes();
updateSelection();
redraw();
if (nn._def.autoedit) {
RED.editor.edit(nn);
}
}
});
chart.on("focus", function() {
$("#red-ui-workspace-tabs").addClass("red-ui-workspace-focussed");
});
chart.on("blur", function() {
$("#red-ui-workspace-tabs").removeClass("red-ui-workspace-focussed");
});
RED.actions.add("core:copy-selection-to-internal-clipboard",copySelection);
RED.actions.add("core:cut-selection-to-internal-clipboard",function(){copySelection(true);deleteSelection();});
RED.actions.add("core:paste-from-internal-clipboard",function(){
importNodes(clipboard,{generateIds: clipboardSource === 'copy', generateDefaultNames: clipboardSource === 'copy'});
});
RED.actions.add("core:detach-selected-nodes", function() { detachSelectedNodes() })
RED.events.on("view:selection-changed", function(selection) {
var hasSelection = (selection.nodes && selection.nodes.length > 0);
var hasMultipleSelection = hasSelection && selection.nodes.length > 1;
RED.menu.setDisabled("menu-item-edit-cut",!hasSelection);
RED.menu.setDisabled("menu-item-edit-copy",!hasSelection);
RED.menu.setDisabled("menu-item-edit-select-connected",!hasSelection);
RED.menu.setDisabled("menu-item-view-tools-move-to-back",!hasSelection);
RED.menu.setDisabled("menu-item-view-tools-move-to-front",!hasSelection);
RED.menu.setDisabled("menu-item-view-tools-move-backwards",!hasSelection);
RED.menu.setDisabled("menu-item-view-tools-move-forwards",!hasSelection);
RED.menu.setDisabled("menu-item-view-tools-align-left",!hasMultipleSelection);
RED.menu.setDisabled("menu-item-view-tools-align-center",!hasMultipleSelection);
RED.menu.setDisabled("menu-item-view-tools-align-right",!hasMultipleSelection);
RED.menu.setDisabled("menu-item-view-tools-align-top",!hasMultipleSelection);
RED.menu.setDisabled("menu-item-view-tools-align-middle",!hasMultipleSelection);
RED.menu.setDisabled("menu-item-view-tools-align-bottom",!hasMultipleSelection);
RED.menu.setDisabled("menu-item-view-tools-distribute-horizontally",!hasMultipleSelection);
RED.menu.setDisabled("menu-item-view-tools-distribute-veritcally",!hasMultipleSelection);
})
RED.actions.add("core:delete-selection",deleteSelection);
RED.actions.add("core:delete-selection-and-reconnect",function() { deleteSelection(true) });
RED.actions.add("core:edit-selected-node",editSelection);
RED.actions.add("core:go-to-selection",function() {
if (movingSet.length() > 0) {
var node = movingSet.get(0).n;
if (/^subflow:/.test(node.type)) {
RED.workspaces.show(node.type.substring(8))
} else if (node.type === 'group') {
enterActiveGroup(node);
redraw();
}
}
});
RED.actions.add("core:undo",RED.history.pop);
RED.actions.add("core:redo",RED.history.redo);
RED.actions.add("core:select-all-nodes",selectAll);
RED.actions.add("core:select-none", selectNone);
RED.actions.add("core:zoom-in",zoomIn);
RED.actions.add("core:zoom-out",zoomOut);
RED.actions.add("core:zoom-reset",zoomZero);
RED.actions.add("core:enable-selected-nodes", function() { setSelectedNodeState(false)});
RED.actions.add("core:disable-selected-nodes", function() { setSelectedNodeState(true)});
RED.actions.add("core:toggle-show-grid",function(state) {
if (state === undefined) {
RED.userSettings.toggle("view-show-grid");
} else {
toggleShowGrid(state);
}
});
RED.actions.add("core:toggle-snap-grid",function(state) {
if (state === undefined) {
RED.userSettings.toggle("view-snap-grid");
} else {
toggleSnapGrid(state);
}
});
RED.actions.add("core:toggle-status",function(state) {
if (state === undefined) {
RED.userSettings.toggle("view-node-status");
} else {
toggleStatus(state);
}
});
RED.view.annotations.init();
RED.view.navigator.init();
RED.view.tools.init();
RED.view.annotations.register("red-ui-flow-node-changed",{
type: "badge",
class: "red-ui-flow-node-changed",
element: function() {
var changeBadge = document.createElementNS("http://www.w3.org/2000/svg","circle");
changeBadge.setAttribute("cx",5);
changeBadge.setAttribute("cy",5);
changeBadge.setAttribute("r",5);
return changeBadge;
},
show: function(n) { return n.changed||n.moved }
})
RED.view.annotations.register("red-ui-flow-node-error",{
type: "badge",
class: "red-ui-flow-node-error",
element: function(d) {
var errorBadge = document.createElementNS("http://www.w3.org/2000/svg","path");
errorBadge.setAttribute("d","M 0,9 l 10,0 -5,-8 z");
return errorBadge
},
tooltip: function(d) {
if (d.validationErrors && d.validationErrors.length > 0) {
return RED._("editor.errors.invalidProperties")+"\n - "+d.validationErrors.join("\n - ")
}
},
show: function(n) { return !n.valid }
})
if (RED.settings.get("editor.view.view-store-zoom")) {
var userZoomLevel = parseFloat(RED.settings.getLocal('zoom-level'))
if (!isNaN(userZoomLevel)) {
scaleFactor = userZoomLevel
}
}
var onScrollTimer = null;
function storeScrollPosition() {
workspaceScrollPositions[RED.workspaces.active()] = {
left:chart.scrollLeft(),
top:chart.scrollTop()
};
RED.settings.setLocal('scroll-positions', JSON.stringify(workspaceScrollPositions) )
}
chart.on("scroll", function() {
if (RED.settings.get("editor.view.view-store-position")) {
if (onScrollTimer) {
clearTimeout(onScrollTimer)
}
onScrollTimer = setTimeout(storeScrollPosition, 200);
}
})
if (RED.settings.get("editor.view.view-store-position")) {
var scrollPositions = RED.settings.getLocal('scroll-positions')
if (scrollPositions) {
try {
workspaceScrollPositions = JSON.parse(scrollPositions)
} catch(err) {
}
}
}
}
function updateGrid() {
var gridTicks = [];
for (var i=0;i<space_width;i+=+gridSize) {
gridTicks.push(i);
}
gridLayer.selectAll("line.red-ui-workspace-chart-grid-h").remove();
gridLayer.selectAll("line.red-ui-workspace-chart-grid-h").data(gridTicks).enter()
.append("line")
.attr(
{
"class":"red-ui-workspace-chart-grid-h",
"x1" : 0,
"x2" : space_width,
"y1" : function(d){ return d;},
"y2" : function(d){ return d;}
});
gridLayer.selectAll("line.red-ui-workspace-chart-grid-v").remove();
gridLayer.selectAll("line.red-ui-workspace-chart-grid-v").data(gridTicks).enter()
.append("line")
.attr(
{
"class":"red-ui-workspace-chart-grid-v",
"y1" : 0,
"y2" : space_width,
"x1" : function(d){ return d;},
"x2" : function(d){ return d;}
});
}
function showDragLines(nodes) {
showAllLinkPorts = -1;
for (var i=0;i<nodes.length;i++) {
var node = nodes[i];
node.el = dragGroupLayer.append("svg:path").attr("class", "red-ui-flow-drag-line");
if ((node.node.type === "link out" && node.portType === PORT_TYPE_OUTPUT) ||
(node.node.type === "link in" && node.portType === PORT_TYPE_INPUT)) {
node.el.attr("class","red-ui-flow-link-link red-ui-flow-drag-line");
node.virtualLink = true;
showAllLinkPorts = (node.portType === PORT_TYPE_OUTPUT)?PORT_TYPE_INPUT:PORT_TYPE_OUTPUT;
}
drag_lines.push(node);
}
if (showAllLinkPorts !== -1) {
activeNodes.forEach(function(n) {
if (n.type === "link in" || n.type === "link out") {
n.dirty = true;
}
})
}
}
function hideDragLines() {
if (showAllLinkPorts !== -1) {
activeNodes.forEach(function(n) {
if (n.type === "link in" || n.type === "link out") {
n.dirty = true;
}
})
}
showAllLinkPorts = -1;
while(drag_lines.length) {
var line = drag_lines.pop();
if (line.el) {
line.el.remove();
}
}
}
function updateActiveNodes() {
var activeWorkspace = RED.workspaces.active();
if (activeWorkspace !== 0) {
activeNodes = RED.nodes.filterNodes({z:activeWorkspace});
activeNodes.forEach(function(n,i) {
n._index = i;
})
activeLinks = RED.nodes.filterLinks({
source:{z:activeWorkspace},
target:{z:activeWorkspace}
});
activeJunctions = RED.nodes.junctions(activeWorkspace) || [];
activeGroups = RED.nodes.groups(activeWorkspace)||[];
activeGroups.forEach(function(g, i) {
g._index = i;
if (g.g) {
g._root = g.g;
g._depth = 1;
} else {
g._root = g.id;
g._depth = 0;
}
});
} else {
activeNodes = [];
activeLinks = [];
activeJunctions = [];
activeGroups = [];
}
var changed = false;
do {
changed = false;
activeGroups.forEach(function(g) {
if (g.g) {
var parentGroup = RED.nodes.group(g.g);
if (parentGroup) {
var parentDepth = parentGroup._depth;
if (g._depth !== parentDepth + 1) {
g._depth = parentDepth + 1;
changed = true;
}
if (g._root !== parentGroup._root) {
g._root = parentGroup._root;
changed = true;
}
}
}
});
} while (changed)
activeGroups.sort(function(a,b) {
if (a._root === b._root) {
return a._depth - b._depth;
} else {
// return a._root.localeCompare(b._root);
return a._index - b._index;
}
});
var group = groupLayer.selectAll(".red-ui-flow-group").data(activeGroups,function(d) { return d.id });
group.sort(function(a,b) {
if (a._root === b._root) {
return a._depth - b._depth;
} else {
return a._index - b._index;
// return a._root.localeCompare(b._root);
}
})
}
function generateLinkPath(origX,origY, destX, destY, sc) {
var dy = destY-origY;
var dx = destX-origX;
var delta = Math.sqrt(dy*dy+dx*dx);
var scale = lineCurveScale;
var scaleY = 0;
if (dx*sc > 0) {
if (delta < node_width) {
scale = 0.75-0.75*((node_width-delta)/node_width);
// scale += 2*(Math.min(5*node_width,Math.abs(dx))/(5*node_width));
// if (Math.abs(dy) < 3*node_height) {
// scaleY = ((dy>0)?0.5:-0.5)*(((3*node_height)-Math.abs(dy))/(3*node_height))*(Math.min(node_width,Math.abs(dx))/(node_width)) ;
// }
}
} else {
scale = 0.4-0.2*(Math.max(0,(node_width-Math.min(Math.abs(dx),Math.abs(dy)))/node_width));
}
if (dx*sc > 0) {
return "M "+origX+" "+origY+
" C "+(origX+sc*(node_width*scale))+" "+(origY+scaleY*node_height)+" "+
(destX-sc*(scale)*node_width)+" "+(destY-scaleY*node_height)+" "+
destX+" "+destY
} else {
var midX = Math.floor(destX-dx/2);
var midY = Math.floor(destY-dy/2);
//
if (dy === 0) {
midY = destY + node_height;
}
var cp_height = node_height/2;
var y1 = (destY + midY)/2
var topX =origX + sc*node_width*scale;
var topY = dy>0?Math.min(y1 - dy/2 , origY+cp_height):Math.max(y1 - dy/2 , origY-cp_height);
var bottomX = destX - sc*node_width*scale;
var bottomY = dy>0?Math.max(y1, destY-cp_height):Math.min(y1, destY+cp_height);
var x1 = (origX+topX)/2;
var scy = dy>0?1:-1;
var cp = [
// Orig -> Top
[x1,origY],
[topX,dy>0?Math.max(origY, topY-cp_height):Math.min(origY, topY+cp_height)],
// Top -> Mid
// [Mirror previous cp]
[x1,dy>0?Math.min(midY, topY+cp_height):Math.max(midY, topY-cp_height)],
// Mid -> Bottom
// [Mirror previous cp]
[bottomX,dy>0?Math.max(midY, bottomY-cp_height):Math.min(midY, bottomY+cp_height)],
// Bottom -> Dest
// [Mirror previous cp]
[(destX+bottomX)/2,destY]
];
if (cp[2][1] === topY+scy*cp_height) {
if (Math.abs(dy) < cp_height*10) {
cp[1][1] = topY-scy*cp_height/2;
cp[3][1] = bottomY-scy*cp_height/2;
}
cp[2][0] = topX;
}
return "M "+origX+" "+origY+
" C "+
cp[0][0]+" "+cp[0][1]+" "+
cp[1][0]+" "+cp[1][1]+" "+
topX+" "+topY+
" S "+
cp[2][0]+" "+cp[2][1]+" "+
midX+" "+midY+
" S "+
cp[3][0]+" "+cp[3][1]+" "+
bottomX+" "+bottomY+