Allow a node to reorder its outputs and maintain links

Fixes #1031
This commit is contained in:
Nick O'Leary
2016-11-08 17:00:47 +00:00
parent 8a5db8ce4b
commit 6042395b81
3 changed files with 60 additions and 8 deletions

View File

@@ -180,19 +180,31 @@ RED.editor = (function() {
* Marks the node as dirty and needing a size check.
* Removes any links to non-existant outputs.
* @param node - the node that has been updated
* @param outputMap - (optional) a map of old->new port numbers if wires should be moved
* @returns {array} the links that were removed due to this update
*/
function updateNodeProperties(node) {
function updateNodeProperties(node, outputMap) {
node.resize = true;
node.dirty = true;
var removedLinks = [];
if (node.ports) {
if (outputMap) {
RED.nodes.eachLink(function(l) {
if (l.source === node && outputMap.hasOwnProperty(l.sourcePort)) {
if (outputMap[l.sourcePort] === -1) {
removedLinks.push(l);
} else {
l.sourcePort = outputMap[l.sourcePort];
}
}
});
}
if (node.outputs < node.ports.length) {
while (node.outputs < node.ports.length) {
node.ports.pop();
}
RED.nodes.eachLink(function(l) {
if (l.source === node && l.sourcePort >= node.outputs) {
if (l.source === node && l.sourcePort >= node.outputs && removedLinks.indexOf(l) === -1) {
removedLinks.push(l);
}
});
@@ -597,6 +609,7 @@ RED.editor = (function() {
var changed = false;
var wasDirty = RED.nodes.dirty();
var d;
var outputMap;
if (editing_node._def.oneditsave) {
var oldValues = {};
@@ -681,8 +694,14 @@ RED.editor = (function() {
var credsChanged = updateNodeCredentials(editing_node,credDefinition,prefix);
changed = changed || credsChanged;
}
var removedLinks = updateNodeProperties(editing_node);
if (editing_node.hasOwnProperty("_outputs")) {
outputMap = editing_node._outputs;
delete editing_node._outputs;
if (Object.keys(outputMap).length > 0) {
changed = true;
}
}
var removedLinks = updateNodeProperties(editing_node,outputMap);
if (changed) {
var wasChanged = editing_node.changed;
editing_node.changed = true;
@@ -712,6 +731,9 @@ RED.editor = (function() {
dirty:wasDirty,
changed:wasChanged
};
if (outputMap) {
historyEvent.outputMap = outputMap;
}
if (subflowInstances) {
historyEvent.subflow = {
instances:subflowInstances