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Merge pull request #346 from flowhub/clipboard-noglobal
Use proper CommonJS for clipboard code
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| ## dev | ||
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| ## 0.7.0 (unreleased) | ||
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| ## 0.7.0 (2017 March 2) | ||
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| Breaking changes | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
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| var clipboardContent = {}; // XXX: hidden state | ||
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| function cloneObject(obj) { | ||
| return JSON.parse(JSON.stringify(obj)); | ||
| } | ||
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| function makeNewId(label) { | ||
| var num = 60466176; // 36^5 | ||
| num = Math.floor(Math.random() * num); | ||
| var id = label + '_' + num.toString(36); | ||
| return id; | ||
| } | ||
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| function copy(graph, keys) { | ||
| //Duplicate all the nodes before putting them in clipboard | ||
| //this will make this work also with cut/Paste and once we | ||
| //decide if/how we will implement cross-document copy&paste will work there too | ||
| clipboardContent = {nodes:[], edges:[]}; | ||
| var map = {}; | ||
| var i, len; | ||
| for (i = 0, len = keys.length; i < len; i++) { | ||
| var node = graph.getNode(keys[i]); | ||
| var newNode = cloneObject(node); | ||
| newNode.id = makeNewId(node.component); | ||
| clipboardContent.nodes.push(newNode); | ||
| map[node.id] = newNode.id; | ||
| } | ||
| for (i = 0, len = graph.edges.length; i < len; i++) { | ||
| var edge = graph.edges[i]; | ||
| var fromNode = edge.from.node; | ||
| var toNode = edge.to.node; | ||
| if (map.hasOwnProperty(fromNode) && map.hasOwnProperty(toNode)) { | ||
| var newEdge = cloneObject(edge); | ||
| newEdge.from.node = map[fromNode]; | ||
| newEdge.to.node = map[toNode]; | ||
| clipboardContent.edges.push(newEdge); | ||
| } | ||
| } | ||
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| } | ||
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| function paste(graph) { | ||
| var map = {}; | ||
| var pasted = {nodes:[], edges:[]}; | ||
| var i, len; | ||
| for (i = 0, len = clipboardContent.nodes.length; i < len; i++) { | ||
| var node = clipboardContent.nodes[i]; | ||
| var meta = cloneObject(node.metadata); | ||
| meta.x += 36; | ||
| meta.y += 36; | ||
| var newNode = graph.addNode(makeNewId(node.component), node.component, meta); | ||
| map[node.id] = newNode.id; | ||
| pasted.nodes.push(newNode); | ||
| } | ||
| for (i = 0, len = clipboardContent.edges.length; i < len; i++) { | ||
| var edge = clipboardContent.edges[i]; | ||
| var newEdgeMeta = cloneObject(edge.metadata); | ||
| var newEdge; | ||
| if (edge.from.hasOwnProperty('index') || edge.to.hasOwnProperty('index')) { | ||
| // One or both ports are addressable | ||
| var fromIndex = edge.from.index || null; | ||
| var toIndex = edge.to.index || null; | ||
| newEdge = graph.addEdgeIndex(map[edge.from.node], edge.from.port, fromIndex, map[edge.to.node], edge.to.port, toIndex, newEdgeMeta); | ||
| } else { | ||
| newEdge = graph.addEdge(map[edge.from.node], edge.from.port, map[edge.to.node], edge.to.port, newEdgeMeta); | ||
| } | ||
| pasted.edges.push(newEdge); | ||
| } | ||
| return pasted; | ||
| } | ||
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| module.exports = { | ||
| copy: copy, | ||
| paste: paste, | ||
| }; |
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