From 4b6abf7a429fc12b24e782e7359f960f88a012d5 Mon Sep 17 00:00:00 2001
From: Bryan Housel <bryan@7thposition.com>
Date: Mon, 22 Dec 2014 23:24:24 -0500
Subject: [PATCH] Added iD.actions.CopyEntity

---
 index.html                       |  1 +
 js/id/actions/copy_entity.js     | 11 +++++
 test/index.html                  |  2 +
 test/index_packaged.html         |  1 +
 test/spec/actions/copy_entity.js | 76 ++++++++++++++++++++++++++++++++
 5 files changed, 91 insertions(+)
 create mode 100644 js/id/actions/copy_entity.js
 create mode 100644 test/spec/actions/copy_entity.js

diff --git a/index.html b/index.html
index f3129da2d..e1a84a50f 100644
--- a/index.html
+++ b/index.html
@@ -147,6 +147,7 @@
         <script src='js/id/actions/change_tags.js'></script>
         <script src='js/id/actions/circularize.js'></script>
         <script src='js/id/actions/connect.js'></script>
+        <script src='js/id/actions/copy_entity.js'></script>
         <script src='js/id/actions/delete_member.js'></script>
         <script src='js/id/actions/delete_multiple.js'></script>
         <script src='js/id/actions/delete_node.js'></script>
diff --git a/js/id/actions/copy_entity.js b/js/id/actions/copy_entity.js
new file mode 100644
index 000000000..3db8678b4
--- /dev/null
+++ b/js/id/actions/copy_entity.js
@@ -0,0 +1,11 @@
+iD.actions.CopyEntity = function(entity, deep) {
+    return function(graph) {
+        var newEntities = entity.copy({}, deep, graph);
+
+        for (var i = 0, imax = newEntities.length; i !== imax; i++) {
+            graph = graph.replace(newEntities[i]);
+        }
+
+        return graph;
+    };
+};
diff --git a/test/index.html b/test/index.html
index f5cc7da2a..a5039eedb 100644
--- a/test/index.html
+++ b/test/index.html
@@ -126,6 +126,7 @@
     <script src='../js/id/actions/change_tags.js'></script>
     <script src='../js/id/actions/circularize.js'></script>
     <script src='../js/id/actions/connect.js'></script>
+    <script src='../js/id/actions/copy_entity.js'></script>
     <script src='../js/id/actions/delete_member.js'></script>
     <script src='../js/id/actions/delete_multiple.js'></script>
     <script src='../js/id/actions/delete_node.js'></script>
@@ -225,6 +226,7 @@
     <script src='spec/actions/orthogonalize.js'></script>
     <script src='spec/actions/straighten.js'></script>
     <script src='spec/actions/connect.js'></script>
+    <script src="spec/actions/copy_entity.js"></script>
     <script src='spec/actions/delete_member.js'></script>
     <script src="spec/actions/delete_multiple.js"></script>
     <script src="spec/actions/delete_node.js"></script>
diff --git a/test/index_packaged.html b/test/index_packaged.html
index 9df77e3cc..324ed0b69 100644
--- a/test/index_packaged.html
+++ b/test/index_packaged.html
@@ -35,6 +35,7 @@
     <script src="spec/actions/change_tags.js"></script>
     <script src='spec/actions/circularize.js'></script>
     <script src='spec/actions/connect.js'></script>
+    <script src="spec/actions/copy_entity.js"></script>
     <script src='spec/actions/delete_member.js'></script>
     <script src="spec/actions/delete_multiple.js"></script>
     <script src="spec/actions/delete_node.js"></script>
diff --git a/test/spec/actions/copy_entity.js b/test/spec/actions/copy_entity.js
new file mode 100644
index 000000000..14f2de0fb
--- /dev/null
+++ b/test/spec/actions/copy_entity.js
@@ -0,0 +1,76 @@
+describe("iD.actions.CopyEntity", function () {
+    it("copies a Node and adds it to the graph", function () {
+        var a = iD.Node({id: 'a'}),
+            base = iD.Graph([a]),
+            head = iD.actions.CopyEntity(a)(base),
+            diff = iD.Difference(base, head),
+            created = diff.created();
+
+        expect(head.hasEntity('a')).to.be.ok;
+        expect(created).to.have.length(1);
+        expect(created[0]).to.be.an.instanceof(iD.Node);
+    });
+
+    it("shallow copies a Way and adds it to the graph", function () {
+        var a = iD.Node({id: 'a'}),
+            b = iD.Node({id: 'b'}),
+            w = iD.Way({id: 'w', nodes: ['a', 'b']}),
+            base = iD.Graph([a, b, w]),
+            head = iD.actions.CopyEntity(w)(base),
+            diff = iD.Difference(base, head),
+            created = diff.created();
+
+        expect(head.hasEntity('w')).to.be.ok;
+        expect(created).to.have.length(1);
+        expect(created[0]).to.be.an.instanceof(iD.Way);
+    });
+
+    it("deep copies a Way and child Nodes and adds them to the graph", function () {
+        var a = iD.Node({id: 'a'}),
+            b = iD.Node({id: 'b'}),
+            w = iD.Way({id: 'w', nodes: ['a', 'b']}),
+            base = iD.Graph([a, b, w]),
+            head = iD.actions.CopyEntity(w, true)(base),
+            diff = iD.Difference(base, head),
+            created = diff.created();
+
+        expect(head.hasEntity('w')).to.be.ok;
+        expect(created).to.have.length(3);
+        expect(created[0]).to.be.an.instanceof(iD.Way);
+        expect(created[1]).to.be.an.instanceof(iD.Node);
+        expect(created[2]).to.be.an.instanceof(iD.Node);
+    });
+
+    it("shallow copies a Relation and adds it to the graph", function () {
+        var a = iD.Node({id: 'a'}),
+            b = iD.Node({id: 'b'}),
+            w = iD.Way({id: 'w', nodes: ['a', 'b']}),
+            r = iD.Relation({id: 'r', members: [{id: 'w'}]}),
+            base = iD.Graph([a, b, w, r]),
+            head = iD.actions.CopyEntity(r)(base),
+            diff = iD.Difference(base, head),
+            created = diff.created();
+
+        expect(head.hasEntity('r')).to.be.ok;
+        expect(created).to.have.length(1);
+        expect(created[0]).to.be.an.instanceof(iD.Relation);
+    });
+
+    it("deep copies a Relation, member Ways, and child Nodes and adds them to the graph", function () {
+        var a = iD.Node({id: 'a'}),
+            b = iD.Node({id: 'b'}),
+            w = iD.Way({id: 'w', nodes: ['a', 'b']}),
+            r = iD.Relation({id: 'r', members: [{id: 'w'}]}),
+            base = iD.Graph([a, b, w, r]),
+            head = iD.actions.CopyEntity(r, true)(base),
+            diff = iD.Difference(base, head),
+            created = diff.created();
+
+        expect(head.hasEntity('r')).to.be.ok;
+        expect(created).to.have.length(4);
+        expect(created[0]).to.be.an.instanceof(iD.Relation);
+        expect(created[1]).to.be.an.instanceof(iD.Way);
+        expect(created[2]).to.be.an.instanceof(iD.Node);
+        expect(created[3]).to.be.an.instanceof(iD.Node);
+    });
+});