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Disallow disconnecting that would damage relations

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Fixes #1714
This commit is contained in:
John Firebaugh
2016-02-07 20:27:39 -08:00
parent 36a767554c
commit 8a3314e5d3
4 changed files with 63 additions and 1 deletions
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js/id/actions/disconnect.js
+21
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@@ -64,6 +64,27 @@ iD.actions.Disconnect = function(nodeId, newNodeId) {
var connections = action.connections(graph);
if (connections.length === 0 || (wayIds && wayIds.length !== connections.length))
return 'not_connected';
var parentWays = graph.parentWays(graph.entity(nodeId)),
seenRelationIds = {},
sharedRelation;
parentWays.forEach(function(way) {
if (wayIds && wayIds.indexOf(way.id) === -1)
return;
var relations = graph.parentRelations(way);
relations.forEach(function(relation) {
if (relation.id in seenRelationIds) {
sharedRelation = relation;
} else {
seenRelationIds[relation.id] = true;
}
});
});
if (sharedRelation)
return 'relation';
};
action.limitWays = function(_) {