Based on this conversation.
Additional work needs to happen:
- installing the nbextension
- changing the iframed thing to be able to handle data from the widget
- passing data back to the widget
Last active
August 29, 2015 14:07
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An Example State Machine Widget
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| <!DOCTYPE html> | |
| <link rel="stylesheet" href="../css/from_fiddle.css" /> | |
| <body> | |
| <script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script> | |
| <script src="../js/from_fiddle.js" charset="utf-8"></script> | |
| </body> |
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| define([ | |
| 'widgets/js/manager', | |
| 'widgets/js/widget', | |
| 'jquery', | |
| 'underscore' | |
| ], | |
| function(manager, widget, $, _){ | |
| var StateMachineView = widget.DOMWidgetView.extend({ | |
| className: 'StateMachineView', | |
| render: function(){ | |
| var view = this; | |
| this.$frame = $("<iframe/>", { | |
| src: "from_fiddle.html" | |
| }) | |
| .on("load", function(){ | |
| view.frame = this.contentWindow; | |
| view.frameLoaded(); | |
| }); | |
| this.$el.append(this.$frame); | |
| return this; | |
| }, // /render | |
| frameLoaded: function(){ | |
| this.listenTo(this.model, { | |
| "change:nodes": this.nodesChanged, | |
| "change:links": this.linksChanged | |
| }); | |
| this.nodesChanged(this.model.get("nodes")); | |
| this.linksChanged(this.model.get("links")); | |
| }, | |
| nodesChanged: function(val){ | |
| this.frame.nodes = val; | |
| this.frame.restart(); | |
| }, | |
| linksChanged: function(val){ | |
| var nodes = this.model.get("nodes"); | |
| this.frame.links = val.map(function(link){ | |
| link.source = _.isNumber(link.source) ? | |
| _.findWhere(nodes, {id: link.source}) : | |
| link.source; | |
| link.target = _.isNumber(link.target) ? | |
| _.findWhere(nodes, {id: link.target}) : | |
| link.target; | |
| return link; | |
| }); | |
| this.frame.restart(); | |
| } | |
| }); | |
| manager.WidgetManager.register_widget_view( | |
| 'StateMachineView', | |
| StateMachineView | |
| ); | |
| }); |
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| import os | |
| # Import widgets, provisioners and traitlets | |
| from IPython.html import widgets | |
| from IPython.utils import traitlets | |
| class StateMachine(widgets.DOMWidget): | |
| # the name of the Backbone.View subclass to be used | |
| _view_name = traitlets.Unicode('StateMachineView', sync=True) | |
| nodes = traitlets.Tuple([], sync=True) | |
| links = traitlets.Tuple([], sync=True) |
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