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@@ -0,0 +1,86 b'' | |||||
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1 | // Copyright (c) IPython Development Team. | |||
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2 | // Distributed under the terms of the Modified BSD License. | |||
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3 | ||||
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4 | define([ | |||
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5 | "widgets/js/widget", | |||
|
6 | "jquery", | |||
|
7 | ], function(widget, $){ | |||
|
8 | var LinkModel = widget.WidgetModel.extend({ | |||
|
9 | initialize: function() { | |||
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10 | this.on("change:widgets", function(model, value, options) { | |||
|
11 | this.update_bindings(model.previous("widgets") || [], value); | |||
|
12 | this.update_value(this.get("widgets")[0]); | |||
|
13 | }, this); | |||
|
14 | this.once("destroy", function(model, collection, options) { | |||
|
15 | this.update_bindings(this.get("widgets"), []); | |||
|
16 | }, this); | |||
|
17 | }, | |||
|
18 | update_bindings: function(oldlist, newlist) { | |||
|
19 | var that = this; | |||
|
20 | _.each(oldlist, function(elt) {elt[0].off("change:" + elt[1], null, that);}); | |||
|
21 | _.each(newlist, function(elt) {elt[0].on("change:" + elt[1], | |||
|
22 | function(model, value, options) { | |||
|
23 | that.update_value(elt); | |||
|
24 | }, that); | |||
|
25 | // TODO: register for any destruction handlers | |||
|
26 | // to take an item out of the list | |||
|
27 | }); | |||
|
28 | }, | |||
|
29 | update_value: function(elt) { | |||
|
30 | if (this.updating) {return;} | |||
|
31 | var model = elt[0]; | |||
|
32 | var attr = elt[1]; | |||
|
33 | var new_value = model.get(attr); | |||
|
34 | this.updating = true; | |||
|
35 | _.each(_.without(this.get("widgets"), elt), | |||
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36 | function(element, index, list) { | |||
|
37 | if (element[0]) { | |||
|
38 | element[0].set(element[1], new_value); | |||
|
39 | element[0].save_changes(); | |||
|
40 | } | |||
|
41 | }, this); | |||
|
42 | this.updating = false; | |||
|
43 | }, | |||
|
44 | }); | |||
|
45 | ||||
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46 | var DirectionalLinkModel = widget.WidgetModel.extend({ | |||
|
47 | initialize: function() { | |||
|
48 | this.on("change", this.update_bindings, this); | |||
|
49 | this.once("destroy", function() { | |||
|
50 | if (this.source) { | |||
|
51 | this.source[0].off("change:" + this.source[1], null, this); | |||
|
52 | } | |||
|
53 | }, this); | |||
|
54 | }, | |||
|
55 | update_bindings: function() { | |||
|
56 | if (this.source) { | |||
|
57 | this.source[0].off("change:" + this.source[1], null, this); | |||
|
58 | } | |||
|
59 | this.source = this.get("source"); | |||
|
60 | if (this.source) { | |||
|
61 | this.source[0].on("change:" + this.source[1], function() { this.update_value(this.source); }, this); | |||
|
62 | this.update_value(this.source); | |||
|
63 | } | |||
|
64 | }, | |||
|
65 | update_value: function(elt) { | |||
|
66 | if (this.updating) {return;} | |||
|
67 | var model = elt[0]; | |||
|
68 | var attr = elt[1]; | |||
|
69 | var new_value = model.get(attr); | |||
|
70 | this.updating = true; | |||
|
71 | _.each(this.get("targets"), | |||
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72 | function(element, index, list) { | |||
|
73 | if (element[0]) { | |||
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74 | element[0].set(element[1], new_value); | |||
|
75 | element[0].save_changes(); | |||
|
76 | } | |||
|
77 | }, this); | |||
|
78 | this.updating = false; | |||
|
79 | }, | |||
|
80 | }); | |||
|
81 | ||||
|
82 | return { | |||
|
83 | "LinkModel": LinkModel, | |||
|
84 | "DirectionalLinkModel": DirectionalLinkModel, | |||
|
85 | } | |||
|
86 | }); |
@@ -0,0 +1,61 b'' | |||||
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1 | """Link and DirectionalLink classes. | |||
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2 | ||||
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3 | Propagate changes between widgets on the javascript side | |||
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4 | """ | |||
|
5 | #----------------------------------------------------------------------------- | |||
|
6 | # Copyright (c) 2014, the IPython Development Team. | |||
|
7 | # | |||
|
8 | # Distributed under the terms of the Modified BSD License. | |||
|
9 | # | |||
|
10 | # The full license is in the file COPYING.txt, distributed with this software. | |||
|
11 | #----------------------------------------------------------------------------- | |||
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12 | ||||
|
13 | #----------------------------------------------------------------------------- | |||
|
14 | # Imports | |||
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15 | #----------------------------------------------------------------------------- | |||
|
16 | from .widget import Widget | |||
|
17 | from IPython.utils.traitlets import Unicode, Tuple, Any | |||
|
18 | ||||
|
19 | #----------------------------------------------------------------------------- | |||
|
20 | # Classes | |||
|
21 | #----------------------------------------------------------------------------- | |||
|
22 | ||||
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23 | ||||
|
24 | class Link(Widget): | |||
|
25 | """Link Widget""" | |||
|
26 | _model_name = Unicode('LinkModel', sync=True) | |||
|
27 | widgets = Tuple(sync=True, allow_none=False) | |||
|
28 | ||||
|
29 | def __init__(self, widgets=(), **kwargs): | |||
|
30 | kwargs['widgets'] = widgets | |||
|
31 | super(Link, self).__init__(**kwargs) | |||
|
32 | ||||
|
33 | # for compatibility with traitlet links | |||
|
34 | def unlink(self): | |||
|
35 | self.close() | |||
|
36 | ||||
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37 | ||||
|
38 | def link(*args): | |||
|
39 | return Link(widgets=args) | |||
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40 | ||||
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41 | ||||
|
42 | class DirectionalLink(Widget): | |||
|
43 | """Directional Link Widget""" | |||
|
44 | _model_name = Unicode('DirectionalLinkModel', sync=True) | |||
|
45 | targets = Any(sync=True) | |||
|
46 | source = Tuple(sync=True) | |||
|
47 | ||||
|
48 | # Does not quite behave like other widgets but reproduces | |||
|
49 | # the behavior of IPython.utils.traitlets.directional_link | |||
|
50 | def __init__(self, source, targets=(), **kwargs): | |||
|
51 | kwargs['source'] = source | |||
|
52 | kwargs['targets'] = targets | |||
|
53 | super(DirectionalLink, self).__init__(**kwargs) | |||
|
54 | ||||
|
55 | # for compatibility with traitlet links | |||
|
56 | def unlink(self): | |||
|
57 | self.close() | |||
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58 | ||||
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59 | ||||
|
60 | def dlink(source, *targets): | |||
|
61 | return DirectionalLink(source, targets) |
@@ -1,217 +1,217 b'' | |||||
1 | // Copyright (c) IPython Development Team. |
|
1 | // Copyright (c) IPython Development Team. | |
2 | // Distributed under the terms of the Modified BSD License. |
|
2 | // Distributed under the terms of the Modified BSD License. | |
3 |
|
3 | |||
4 | define([ |
|
4 | define([ | |
5 | 'base/js/namespace', |
|
5 | 'base/js/namespace', | |
6 | 'jquery', |
|
6 | 'jquery', | |
7 | 'base/js/utils', |
|
7 | 'base/js/utils', | |
8 | ], function(IPython, $, utils) { |
|
8 | ], function(IPython, $, utils) { | |
9 | "use strict"; |
|
9 | "use strict"; | |
10 |
|
10 | |||
11 | //----------------------------------------------------------------------- |
|
11 | //----------------------------------------------------------------------- | |
12 | // CommManager class |
|
12 | // CommManager class | |
13 | //----------------------------------------------------------------------- |
|
13 | //----------------------------------------------------------------------- | |
14 |
|
14 | |||
15 | var CommManager = function (kernel) { |
|
15 | var CommManager = function (kernel) { | |
16 | this.comms = {}; |
|
16 | this.comms = {}; | |
17 | this.targets = {}; |
|
17 | this.targets = {}; | |
18 | if (kernel !== undefined) { |
|
18 | if (kernel !== undefined) { | |
19 | this.init_kernel(kernel); |
|
19 | this.init_kernel(kernel); | |
20 | } |
|
20 | } | |
21 | }; |
|
21 | }; | |
22 |
|
22 | |||
23 | CommManager.prototype.init_kernel = function (kernel) { |
|
23 | CommManager.prototype.init_kernel = function (kernel) { | |
24 | /** |
|
24 | /** | |
25 | * connect the kernel, and register message handlers |
|
25 | * connect the kernel, and register message handlers | |
26 | */ |
|
26 | */ | |
27 | this.kernel = kernel; |
|
27 | this.kernel = kernel; | |
28 | var msg_types = ['comm_open', 'comm_msg', 'comm_close']; |
|
28 | var msg_types = ['comm_open', 'comm_msg', 'comm_close']; | |
29 | for (var i = 0; i < msg_types.length; i++) { |
|
29 | for (var i = 0; i < msg_types.length; i++) { | |
30 | var msg_type = msg_types[i]; |
|
30 | var msg_type = msg_types[i]; | |
31 | kernel.register_iopub_handler(msg_type, $.proxy(this[msg_type], this)); |
|
31 | kernel.register_iopub_handler(msg_type, $.proxy(this[msg_type], this)); | |
32 | } |
|
32 | } | |
33 | }; |
|
33 | }; | |
34 |
|
34 | |||
35 | CommManager.prototype.new_comm = function (target_name, data, callbacks, metadata) { |
|
35 | CommManager.prototype.new_comm = function (target_name, data, callbacks, metadata) { | |
36 | /** |
|
36 | /** | |
37 | * Create a new Comm, register it, and open its Kernel-side counterpart |
|
37 | * Create a new Comm, register it, and open its Kernel-side counterpart | |
38 | * Mimics the auto-registration in `Comm.__init__` in the IPython Comm |
|
38 | * Mimics the auto-registration in `Comm.__init__` in the IPython Comm | |
39 | */ |
|
39 | */ | |
40 | var comm = new Comm(target_name); |
|
40 | var comm = new Comm(target_name); | |
41 | this.register_comm(comm); |
|
41 | this.register_comm(comm); | |
42 | comm.open(data, callbacks, metadata); |
|
42 | comm.open(data, callbacks, metadata); | |
43 | return comm; |
|
43 | return comm; | |
44 | }; |
|
44 | }; | |
45 |
|
45 | |||
46 | CommManager.prototype.register_target = function (target_name, f) { |
|
46 | CommManager.prototype.register_target = function (target_name, f) { | |
47 | /** |
|
47 | /** | |
48 | * Register a target function for a given target name |
|
48 | * Register a target function for a given target name | |
49 | */ |
|
49 | */ | |
50 | this.targets[target_name] = f; |
|
50 | this.targets[target_name] = f; | |
51 | }; |
|
51 | }; | |
52 |
|
52 | |||
53 | CommManager.prototype.unregister_target = function (target_name, f) { |
|
53 | CommManager.prototype.unregister_target = function (target_name, f) { | |
54 | /** |
|
54 | /** | |
55 | * Unregister a target function for a given target name |
|
55 | * Unregister a target function for a given target name | |
56 | */ |
|
56 | */ | |
57 | delete this.targets[target_name]; |
|
57 | delete this.targets[target_name]; | |
58 | }; |
|
58 | }; | |
59 |
|
59 | |||
60 | CommManager.prototype.register_comm = function (comm) { |
|
60 | CommManager.prototype.register_comm = function (comm) { | |
61 | /** |
|
61 | /** | |
62 | * Register a comm in the mapping |
|
62 | * Register a comm in the mapping | |
63 | */ |
|
63 | */ | |
64 | this.comms[comm.comm_id] = Promise.resolve(comm); |
|
64 | this.comms[comm.comm_id] = Promise.resolve(comm); | |
65 | comm.kernel = this.kernel; |
|
65 | comm.kernel = this.kernel; | |
66 | return comm.comm_id; |
|
66 | return comm.comm_id; | |
67 | }; |
|
67 | }; | |
68 |
|
68 | |||
69 | CommManager.prototype.unregister_comm = function (comm) { |
|
69 | CommManager.prototype.unregister_comm = function (comm) { | |
70 | /** |
|
70 | /** | |
71 | * Remove a comm from the mapping |
|
71 | * Remove a comm from the mapping | |
72 | */ |
|
72 | */ | |
73 | delete this.comms[comm.comm_id]; |
|
73 | delete this.comms[comm.comm_id]; | |
74 | }; |
|
74 | }; | |
75 |
|
75 | |||
76 | // comm message handlers |
|
76 | // comm message handlers | |
77 |
|
77 | |||
78 | CommManager.prototype.comm_open = function (msg) { |
|
78 | CommManager.prototype.comm_open = function (msg) { | |
79 | var content = msg.content; |
|
79 | var content = msg.content; | |
80 | var that = this; |
|
80 | var that = this; | |
81 | var comm_id = content.comm_id; |
|
81 | var comm_id = content.comm_id; | |
82 |
|
82 | |||
83 | this.comms[comm_id] = utils.load_class(content.target_name, content.target_module, |
|
83 | this.comms[comm_id] = utils.load_class(content.target_name, content.target_module, | |
84 | this.targets).then(function(target) { |
|
84 | this.targets).then(function(target) { | |
85 | var comm = new Comm(content.target_name, comm_id); |
|
85 | var comm = new Comm(content.target_name, comm_id); | |
86 | comm.kernel = that.kernel; |
|
86 | comm.kernel = that.kernel; | |
87 | try { |
|
87 | try { | |
88 | var response = target(comm, msg); |
|
88 | var response = target(comm, msg); | |
89 | } catch (e) { |
|
89 | } catch (e) { | |
90 | comm.close(); |
|
90 | comm.close(); | |
91 | that.unregister_comm(comm); |
|
91 | that.unregister_comm(comm); | |
92 | var wrapped_error = new utils.WrappedError("Exception opening new comm", e); |
|
92 | var wrapped_error = new utils.WrappedError("Exception opening new comm", e); | |
93 | console.error(wrapped_error); |
|
93 | console.error(wrapped_error); | |
94 | return Promise.reject(wrapped_error); |
|
94 | return Promise.reject(wrapped_error); | |
95 | } |
|
95 | } | |
96 | // Regardless of the target return value, we need to |
|
96 | // Regardless of the target return value, we need to | |
97 | // then return the comm |
|
97 | // then return the comm | |
98 | return Promise.resolve(response).then(function() {return comm;}); |
|
98 | return Promise.resolve(response).then(function() {return comm;}); | |
99 | }, utils.reject('Could not open comm', true)); |
|
99 | }, utils.reject('Could not open comm', true)); | |
100 | return this.comms[comm_id]; |
|
100 | return this.comms[comm_id]; | |
101 | }; |
|
101 | }; | |
102 |
|
102 | |||
103 | CommManager.prototype.comm_close = function(msg) { |
|
103 | CommManager.prototype.comm_close = function(msg) { | |
104 | var content = msg.content; |
|
104 | var content = msg.content; | |
105 | if (this.comms[content.comm_id] === undefined) { |
|
105 | if (this.comms[content.comm_id] === undefined) { | |
106 | console.error('Comm promise not found for comm id ' + content.comm_id); |
|
106 | console.error('Comm promise not found for comm id ' + content.comm_id); | |
107 | return; |
|
107 | return; | |
108 | } |
|
108 | } | |
109 |
|
109 | var that = this; | ||
110 | this.comms[content.comm_id] = this.comms[content.comm_id].then(function(comm) { |
|
110 | this.comms[content.comm_id] = this.comms[content.comm_id].then(function(comm) { | |
111 |
th |
|
111 | that.unregister_comm(comm); | |
112 | try { |
|
112 | try { | |
113 | comm.handle_close(msg); |
|
113 | comm.handle_close(msg); | |
114 | } catch (e) { |
|
114 | } catch (e) { | |
115 | console.log("Exception closing comm: ", e, e.stack, msg); |
|
115 | console.log("Exception closing comm: ", e, e.stack, msg); | |
116 | } |
|
116 | } | |
117 | // don't return a comm, so that further .then() functions |
|
117 | // don't return a comm, so that further .then() functions | |
118 | // get an undefined comm input |
|
118 | // get an undefined comm input | |
119 | }); |
|
119 | }); | |
120 | }; |
|
120 | }; | |
121 |
|
121 | |||
122 | CommManager.prototype.comm_msg = function(msg) { |
|
122 | CommManager.prototype.comm_msg = function(msg) { | |
123 | var content = msg.content; |
|
123 | var content = msg.content; | |
124 | if (this.comms[content.comm_id] === undefined) { |
|
124 | if (this.comms[content.comm_id] === undefined) { | |
125 | console.error('Comm promise not found for comm id ' + content.comm_id); |
|
125 | console.error('Comm promise not found for comm id ' + content.comm_id); | |
126 | return; |
|
126 | return; | |
127 | } |
|
127 | } | |
128 |
|
128 | |||
129 | this.comms[content.comm_id] = this.comms[content.comm_id].then(function(comm) { |
|
129 | this.comms[content.comm_id] = this.comms[content.comm_id].then(function(comm) { | |
130 | try { |
|
130 | try { | |
131 | comm.handle_msg(msg); |
|
131 | comm.handle_msg(msg); | |
132 | } catch (e) { |
|
132 | } catch (e) { | |
133 | console.log("Exception handling comm msg: ", e, e.stack, msg); |
|
133 | console.log("Exception handling comm msg: ", e, e.stack, msg); | |
134 | } |
|
134 | } | |
135 | return comm; |
|
135 | return comm; | |
136 | }); |
|
136 | }); | |
137 | }; |
|
137 | }; | |
138 |
|
138 | |||
139 | //----------------------------------------------------------------------- |
|
139 | //----------------------------------------------------------------------- | |
140 | // Comm base class |
|
140 | // Comm base class | |
141 | //----------------------------------------------------------------------- |
|
141 | //----------------------------------------------------------------------- | |
142 |
|
142 | |||
143 | var Comm = function (target_name, comm_id) { |
|
143 | var Comm = function (target_name, comm_id) { | |
144 | this.target_name = target_name; |
|
144 | this.target_name = target_name; | |
145 | this.comm_id = comm_id || utils.uuid(); |
|
145 | this.comm_id = comm_id || utils.uuid(); | |
146 | this._msg_callback = this._close_callback = null; |
|
146 | this._msg_callback = this._close_callback = null; | |
147 | }; |
|
147 | }; | |
148 |
|
148 | |||
149 | // methods for sending messages |
|
149 | // methods for sending messages | |
150 | Comm.prototype.open = function (data, callbacks, metadata) { |
|
150 | Comm.prototype.open = function (data, callbacks, metadata) { | |
151 | var content = { |
|
151 | var content = { | |
152 | comm_id : this.comm_id, |
|
152 | comm_id : this.comm_id, | |
153 | target_name : this.target_name, |
|
153 | target_name : this.target_name, | |
154 | data : data || {}, |
|
154 | data : data || {}, | |
155 | }; |
|
155 | }; | |
156 | return this.kernel.send_shell_message("comm_open", content, callbacks, metadata); |
|
156 | return this.kernel.send_shell_message("comm_open", content, callbacks, metadata); | |
157 | }; |
|
157 | }; | |
158 |
|
158 | |||
159 | Comm.prototype.send = function (data, callbacks, metadata, buffers) { |
|
159 | Comm.prototype.send = function (data, callbacks, metadata, buffers) { | |
160 | var content = { |
|
160 | var content = { | |
161 | comm_id : this.comm_id, |
|
161 | comm_id : this.comm_id, | |
162 | data : data || {}, |
|
162 | data : data || {}, | |
163 | }; |
|
163 | }; | |
164 | return this.kernel.send_shell_message("comm_msg", content, callbacks, metadata, buffers); |
|
164 | return this.kernel.send_shell_message("comm_msg", content, callbacks, metadata, buffers); | |
165 | }; |
|
165 | }; | |
166 |
|
166 | |||
167 | Comm.prototype.close = function (data, callbacks, metadata) { |
|
167 | Comm.prototype.close = function (data, callbacks, metadata) { | |
168 | var content = { |
|
168 | var content = { | |
169 | comm_id : this.comm_id, |
|
169 | comm_id : this.comm_id, | |
170 | data : data || {}, |
|
170 | data : data || {}, | |
171 | }; |
|
171 | }; | |
172 | return this.kernel.send_shell_message("comm_close", content, callbacks, metadata); |
|
172 | return this.kernel.send_shell_message("comm_close", content, callbacks, metadata); | |
173 | }; |
|
173 | }; | |
174 |
|
174 | |||
175 | // methods for registering callbacks for incoming messages |
|
175 | // methods for registering callbacks for incoming messages | |
176 | Comm.prototype._register_callback = function (key, callback) { |
|
176 | Comm.prototype._register_callback = function (key, callback) { | |
177 | this['_' + key + '_callback'] = callback; |
|
177 | this['_' + key + '_callback'] = callback; | |
178 | }; |
|
178 | }; | |
179 |
|
179 | |||
180 | Comm.prototype.on_msg = function (callback) { |
|
180 | Comm.prototype.on_msg = function (callback) { | |
181 | this._register_callback('msg', callback); |
|
181 | this._register_callback('msg', callback); | |
182 | }; |
|
182 | }; | |
183 |
|
183 | |||
184 | Comm.prototype.on_close = function (callback) { |
|
184 | Comm.prototype.on_close = function (callback) { | |
185 | this._register_callback('close', callback); |
|
185 | this._register_callback('close', callback); | |
186 | }; |
|
186 | }; | |
187 |
|
187 | |||
188 | // methods for handling incoming messages |
|
188 | // methods for handling incoming messages | |
189 |
|
189 | |||
190 | Comm.prototype._callback = function (key, msg) { |
|
190 | Comm.prototype._callback = function (key, msg) { | |
191 | var callback = this['_' + key + '_callback']; |
|
191 | var callback = this['_' + key + '_callback']; | |
192 | if (callback) { |
|
192 | if (callback) { | |
193 | try { |
|
193 | try { | |
194 | callback(msg); |
|
194 | callback(msg); | |
195 | } catch (e) { |
|
195 | } catch (e) { | |
196 | console.log("Exception in Comm callback", e, e.stack, msg); |
|
196 | console.log("Exception in Comm callback", e, e.stack, msg); | |
197 | } |
|
197 | } | |
198 | } |
|
198 | } | |
199 | }; |
|
199 | }; | |
200 |
|
200 | |||
201 | Comm.prototype.handle_msg = function (msg) { |
|
201 | Comm.prototype.handle_msg = function (msg) { | |
202 | this._callback('msg', msg); |
|
202 | this._callback('msg', msg); | |
203 | }; |
|
203 | }; | |
204 |
|
204 | |||
205 | Comm.prototype.handle_close = function (msg) { |
|
205 | Comm.prototype.handle_close = function (msg) { | |
206 | this._callback('close', msg); |
|
206 | this._callback('close', msg); | |
207 | }; |
|
207 | }; | |
208 |
|
208 | |||
209 | // For backwards compatability. |
|
209 | // For backwards compatability. | |
210 | IPython.CommManager = CommManager; |
|
210 | IPython.CommManager = CommManager; | |
211 | IPython.Comm = Comm; |
|
211 | IPython.Comm = Comm; | |
212 |
|
212 | |||
213 | return { |
|
213 | return { | |
214 | 'CommManager': CommManager, |
|
214 | 'CommManager': CommManager, | |
215 | 'Comm': Comm |
|
215 | 'Comm': Comm | |
216 | }; |
|
216 | }; | |
217 | }); |
|
217 | }); |
@@ -1,28 +1,34 b'' | |||||
1 | // Copyright (c) IPython Development Team. |
|
1 | // Copyright (c) IPython Development Team. | |
2 | // Distributed under the terms of the Modified BSD License. |
|
2 | // Distributed under the terms of the Modified BSD License. | |
3 |
|
3 | |||
4 | define([ |
|
4 | define([ | |
5 | "widgets/js/manager", |
|
5 | "widgets/js/manager", | |
|
6 | "widgets/js/widget_link", | |||
6 | "widgets/js/widget_bool", |
|
7 | "widgets/js/widget_bool", | |
7 | "widgets/js/widget_button", |
|
8 | "widgets/js/widget_button", | |
8 | "widgets/js/widget_box", |
|
9 | "widgets/js/widget_box", | |
9 | "widgets/js/widget_float", |
|
10 | "widgets/js/widget_float", | |
10 | "widgets/js/widget_image", |
|
11 | "widgets/js/widget_image", | |
11 | "widgets/js/widget_int", |
|
12 | "widgets/js/widget_int", | |
12 | "widgets/js/widget_output", |
|
13 | "widgets/js/widget_output", | |
13 | "widgets/js/widget_selection", |
|
14 | "widgets/js/widget_selection", | |
14 | "widgets/js/widget_selectioncontainer", |
|
15 | "widgets/js/widget_selectioncontainer", | |
15 | "widgets/js/widget_string", |
|
16 | "widgets/js/widget_string", | |
16 |
], function(widgetmanager) { |
|
17 | ], function(widgetmanager, linkModels) { | |
|
18 | for (var target_name in linkModels) { | |||
|
19 | if (linkModels.hasOwnProperty(target_name)) { | |||
|
20 | widgetmanager.WidgetManager.register_widget_model(target_name, linkModels[target_name]); | |||
|
21 | } | |||
|
22 | } | |||
17 |
|
23 | |||
18 | // Register all of the loaded views with the widget manager. |
|
24 | // Register all of the loaded views with the widget manager. | |
19 |
for (var i = |
|
25 | for (var i = 2; i < arguments.length; i++) { | |
20 | for (var target_name in arguments[i]) { |
|
26 | for (var target_name in arguments[i]) { | |
21 | if (arguments[i].hasOwnProperty(target_name)) { |
|
27 | if (arguments[i].hasOwnProperty(target_name)) { | |
22 | widgetmanager.WidgetManager.register_widget_view(target_name, arguments[i][target_name]); |
|
28 | widgetmanager.WidgetManager.register_widget_view(target_name, arguments[i][target_name]); | |
23 | } |
|
29 | } | |
24 | } |
|
30 | } | |
25 | } |
|
31 | } | |
26 |
|
32 | |||
27 | return {'WidgetManager': widgetmanager.WidgetManager}; |
|
33 | return {'WidgetManager': widgetmanager.WidgetManager}; | |
28 | }); |
|
34 | }); |
@@ -1,29 +1,30 b'' | |||||
1 | from .widget import Widget, DOMWidget, CallbackDispatcher, register |
|
1 | from .widget import Widget, DOMWidget, CallbackDispatcher, register | |
2 |
|
2 | |||
3 | from .widget_bool import Checkbox, ToggleButton |
|
3 | from .widget_bool import Checkbox, ToggleButton | |
4 | from .widget_button import Button |
|
4 | from .widget_button import Button | |
5 | from .widget_box import Box, Popup, FlexBox, HBox, VBox |
|
5 | from .widget_box import Box, Popup, FlexBox, HBox, VBox | |
6 | from .widget_float import FloatText, BoundedFloatText, FloatSlider, FloatProgress, FloatRangeSlider |
|
6 | from .widget_float import FloatText, BoundedFloatText, FloatSlider, FloatProgress, FloatRangeSlider | |
7 | from .widget_image import Image |
|
7 | from .widget_image import Image | |
8 | from .widget_int import IntText, BoundedIntText, IntSlider, IntProgress, IntRangeSlider |
|
8 | from .widget_int import IntText, BoundedIntText, IntSlider, IntProgress, IntRangeSlider | |
9 | from .widget_output import Output |
|
9 | from .widget_output import Output | |
10 | from .widget_selection import RadioButtons, ToggleButtons, Dropdown, Select |
|
10 | from .widget_selection import RadioButtons, ToggleButtons, Dropdown, Select | |
11 | from .widget_selectioncontainer import Tab, Accordion |
|
11 | from .widget_selectioncontainer import Tab, Accordion | |
12 | from .widget_string import HTML, Latex, Text, Textarea |
|
12 | from .widget_string import HTML, Latex, Text, Textarea | |
13 | from .interaction import interact, interactive, fixed, interact_manual |
|
13 | from .interaction import interact, interactive, fixed, interact_manual | |
|
14 | from .widget_link import Link, link, DirectionalLink, dlink | |||
14 |
|
15 | |||
15 | # Deprecated classes |
|
16 | # Deprecated classes | |
16 | from .widget_bool import CheckboxWidget, ToggleButtonWidget |
|
17 | from .widget_bool import CheckboxWidget, ToggleButtonWidget | |
17 | from .widget_button import ButtonWidget |
|
18 | from .widget_button import ButtonWidget | |
18 | from .widget_box import ContainerWidget, PopupWidget |
|
19 | from .widget_box import ContainerWidget, PopupWidget | |
19 | from .widget_float import FloatTextWidget, BoundedFloatTextWidget, FloatSliderWidget, FloatProgressWidget |
|
20 | from .widget_float import FloatTextWidget, BoundedFloatTextWidget, FloatSliderWidget, FloatProgressWidget | |
20 | from .widget_image import ImageWidget |
|
21 | from .widget_image import ImageWidget | |
21 | from .widget_int import IntTextWidget, BoundedIntTextWidget, IntSliderWidget, IntProgressWidget |
|
22 | from .widget_int import IntTextWidget, BoundedIntTextWidget, IntSliderWidget, IntProgressWidget | |
22 | from .widget_selection import RadioButtonsWidget, ToggleButtonsWidget, DropdownWidget, SelectWidget |
|
23 | from .widget_selection import RadioButtonsWidget, ToggleButtonsWidget, DropdownWidget, SelectWidget | |
23 | from .widget_selectioncontainer import TabWidget, AccordionWidget |
|
24 | from .widget_selectioncontainer import TabWidget, AccordionWidget | |
24 | from .widget_string import HTMLWidget, LatexWidget, TextWidget, TextareaWidget |
|
25 | from .widget_string import HTMLWidget, LatexWidget, TextWidget, TextareaWidget | |
25 |
|
26 | |||
26 | # Warn on import |
|
27 | # Warn on import | |
27 | from IPython.utils.warn import warn |
|
28 | from IPython.utils.warn import warn | |
28 | warn("""The widget API is still considered experimental and |
|
29 | warn("""The widget API is still considered experimental and | |
29 | may change by the next major release of IPython.""") |
|
30 | may change by the next major release of IPython.""") |
@@ -1,228 +1,383 b'' | |||||
1 | { |
|
1 | { | |
2 | "cells": [ |
|
2 | "cells": [ | |
3 | { |
|
3 | { | |
4 | "cell_type": "markdown", |
|
4 | "cell_type": "markdown", | |
5 | "metadata": {}, |
|
5 | "metadata": {}, | |
6 | "source": [ |
|
6 | "source": [ | |
7 | "[Index](Index.ipynb) - [Back](Widget List.ipynb) - [Next](Widget Styling.ipynb)" |
|
7 | "[Index](Index.ipynb) - [Back](Widget List.ipynb) - [Next](Widget Styling.ipynb)" | |
8 | ] |
|
8 | ] | |
9 | }, |
|
9 | }, | |
10 | { |
|
10 | { | |
11 | "cell_type": "markdown", |
|
11 | "cell_type": "markdown", | |
12 | "metadata": { |
|
12 | "metadata": { | |
13 | "slideshow": { |
|
13 | "slideshow": { | |
14 | "slide_type": "slide" |
|
14 | "slide_type": "slide" | |
15 | } |
|
15 | } | |
16 | }, |
|
16 | }, | |
17 | "source": [ |
|
17 | "source": [ | |
18 | "# Widget Events" |
|
18 | "# Widget Events" | |
19 | ] |
|
19 | ] | |
20 | }, |
|
20 | }, | |
21 | { |
|
21 | { | |
22 | "cell_type": "markdown", |
|
22 | "cell_type": "markdown", | |
23 | "metadata": {}, |
|
23 | "metadata": {}, | |
24 | "source": [ |
|
24 | "source": [ | |
25 | "## Special events" |
|
25 | "## Special events" | |
26 | ] |
|
26 | ] | |
27 | }, |
|
27 | }, | |
28 | { |
|
28 | { | |
29 | "cell_type": "code", |
|
29 | "cell_type": "code", | |
30 | "execution_count": null, |
|
30 | "execution_count": null, | |
31 | "metadata": { |
|
31 | "metadata": { | |
32 | "collapsed": false |
|
32 | "collapsed": false | |
33 | }, |
|
33 | }, | |
34 | "outputs": [], |
|
34 | "outputs": [], | |
35 | "source": [ |
|
35 | "source": [ | |
36 | "from __future__ import print_function" |
|
36 | "from __future__ import print_function" | |
37 | ] |
|
37 | ] | |
38 | }, |
|
38 | }, | |
39 | { |
|
39 | { | |
40 | "cell_type": "markdown", |
|
40 | "cell_type": "markdown", | |
41 | "metadata": {}, |
|
41 | "metadata": {}, | |
42 | "source": [ |
|
42 | "source": [ | |
43 | "The `Button` is not used to represent a data type. Instead the button widget is used to **handle mouse clicks**. The **`on_click` method** of the `Button` can be used to register function to be called when the button is clicked. The doc string of the `on_click` can be seen below." |
|
43 | "The `Button` is not used to represent a data type. Instead the button widget is used to **handle mouse clicks**. The **`on_click` method** of the `Button` can be used to register function to be called when the button is clicked. The doc string of the `on_click` can be seen below." | |
44 | ] |
|
44 | ] | |
45 | }, |
|
45 | }, | |
46 | { |
|
46 | { | |
47 | "cell_type": "code", |
|
47 | "cell_type": "code", | |
48 | "execution_count": null, |
|
48 | "execution_count": null, | |
49 | "metadata": { |
|
49 | "metadata": { | |
50 | "collapsed": false |
|
50 | "collapsed": false | |
51 | }, |
|
51 | }, | |
52 | "outputs": [], |
|
52 | "outputs": [], | |
53 | "source": [ |
|
53 | "source": [ | |
54 | "from IPython.html import widgets\n", |
|
54 | "from IPython.html import widgets\n", | |
55 | "print(widgets.Button.on_click.__doc__)" |
|
55 | "print(widgets.Button.on_click.__doc__)" | |
56 | ] |
|
56 | ] | |
57 | }, |
|
57 | }, | |
58 | { |
|
58 | { | |
59 | "cell_type": "markdown", |
|
59 | "cell_type": "markdown", | |
60 | "metadata": { |
|
60 | "metadata": { | |
61 | "slideshow": { |
|
61 | "slideshow": { | |
62 | "slide_type": "slide" |
|
62 | "slide_type": "slide" | |
63 | } |
|
63 | } | |
64 | }, |
|
64 | }, | |
65 | "source": [ |
|
65 | "source": [ | |
66 | "### Example" |
|
66 | "### Example" | |
67 | ] |
|
67 | ] | |
68 | }, |
|
68 | }, | |
69 | { |
|
69 | { | |
70 | "cell_type": "markdown", |
|
70 | "cell_type": "markdown", | |
71 | "metadata": {}, |
|
71 | "metadata": {}, | |
72 | "source": [ |
|
72 | "source": [ | |
73 | "Since button clicks are **stateless**, they are **transmitted from the front-end to the back-end using custom messages**. By using the `on_click` method, a button that prints a message when it has been clicked is shown below." |
|
73 | "Since button clicks are **stateless**, they are **transmitted from the front-end to the back-end using custom messages**. By using the `on_click` method, a button that prints a message when it has been clicked is shown below." | |
74 | ] |
|
74 | ] | |
75 | }, |
|
75 | }, | |
76 | { |
|
76 | { | |
77 | "cell_type": "code", |
|
77 | "cell_type": "code", | |
78 | "execution_count": null, |
|
78 | "execution_count": null, | |
79 | "metadata": { |
|
79 | "metadata": { | |
80 | "collapsed": false |
|
80 | "collapsed": false | |
81 | }, |
|
81 | }, | |
82 | "outputs": [], |
|
82 | "outputs": [], | |
83 | "source": [ |
|
83 | "source": [ | |
84 | "from IPython.display import display\n", |
|
84 | "from IPython.display import display\n", | |
85 | "button = widgets.Button(description=\"Click Me!\")\n", |
|
85 | "button = widgets.Button(description=\"Click Me!\")\n", | |
86 | "display(button)\n", |
|
86 | "display(button)\n", | |
87 | "\n", |
|
87 | "\n", | |
88 | "def on_button_clicked(b):\n", |
|
88 | "def on_button_clicked(b):\n", | |
89 | " print(\"Button clicked.\")\n", |
|
89 | " print(\"Button clicked.\")\n", | |
90 | "\n", |
|
90 | "\n", | |
91 | "button.on_click(on_button_clicked)" |
|
91 | "button.on_click(on_button_clicked)" | |
92 | ] |
|
92 | ] | |
93 | }, |
|
93 | }, | |
94 | { |
|
94 | { | |
95 | "cell_type": "markdown", |
|
95 | "cell_type": "markdown", | |
96 | "metadata": { |
|
96 | "metadata": { | |
97 | "slideshow": { |
|
97 | "slideshow": { | |
98 | "slide_type": "slide" |
|
98 | "slide_type": "slide" | |
99 | } |
|
99 | } | |
100 | }, |
|
100 | }, | |
101 | "source": [ |
|
101 | "source": [ | |
102 | "### on_sumbit" |
|
102 | "### on_sumbit" | |
103 | ] |
|
103 | ] | |
104 | }, |
|
104 | }, | |
105 | { |
|
105 | { | |
106 | "cell_type": "markdown", |
|
106 | "cell_type": "markdown", | |
107 | "metadata": {}, |
|
107 | "metadata": {}, | |
108 | "source": [ |
|
108 | "source": [ | |
109 | "The **`Text`** also has a special **`on_submit` event**. The `on_submit` event **fires when the user hits return**." |
|
109 | "The **`Text`** also has a special **`on_submit` event**. The `on_submit` event **fires when the user hits return**." | |
110 | ] |
|
110 | ] | |
111 | }, |
|
111 | }, | |
112 | { |
|
112 | { | |
113 | "cell_type": "code", |
|
113 | "cell_type": "code", | |
114 | "execution_count": null, |
|
114 | "execution_count": null, | |
115 | "metadata": { |
|
115 | "metadata": { | |
116 | "collapsed": false |
|
116 | "collapsed": false | |
117 | }, |
|
117 | }, | |
118 | "outputs": [], |
|
118 | "outputs": [], | |
119 | "source": [ |
|
119 | "source": [ | |
120 | "text = widgets.Text()\n", |
|
120 | "text = widgets.Text()\n", | |
121 | "display(text)\n", |
|
121 | "display(text)\n", | |
122 | "\n", |
|
122 | "\n", | |
123 | "def handle_submit(sender):\n", |
|
123 | "def handle_submit(sender):\n", | |
124 | " print(text.value)\n", |
|
124 | " print(text.value)\n", | |
125 | "\n", |
|
125 | "\n", | |
126 | "text.on_submit(handle_submit)" |
|
126 | "text.on_submit(handle_submit)" | |
127 | ] |
|
127 | ] | |
128 | }, |
|
128 | }, | |
129 | { |
|
129 | { | |
130 | "cell_type": "markdown", |
|
130 | "cell_type": "markdown", | |
131 | "metadata": { |
|
131 | "metadata": { | |
132 | "slideshow": { |
|
132 | "slideshow": { | |
133 | "slide_type": "slide" |
|
133 | "slide_type": "slide" | |
134 | } |
|
134 | } | |
135 | }, |
|
135 | }, | |
136 | "source": [ |
|
136 | "source": [ | |
137 | "## Traitlet events" |
|
137 | "## Traitlet events" | |
138 | ] |
|
138 | ] | |
139 | }, |
|
139 | }, | |
140 | { |
|
140 | { | |
141 | "cell_type": "markdown", |
|
141 | "cell_type": "markdown", | |
142 | "metadata": {}, |
|
142 | "metadata": {}, | |
143 | "source": [ |
|
143 | "source": [ | |
144 | "**Widget properties are IPython traitlets** and **traitlets are eventful**. To handle changes, the **`on_trait_change` method** of the widget can be used to **register a callback**. The doc string for `on_trait_change` can be seen below." |
|
144 | "**Widget properties are IPython traitlets** and **traitlets are eventful**. To handle changes, the **`on_trait_change` method** of the widget can be used to **register a callback**. The doc string for `on_trait_change` can be seen below." | |
145 | ] |
|
145 | ] | |
146 | }, |
|
146 | }, | |
147 | { |
|
147 | { | |
148 | "cell_type": "code", |
|
148 | "cell_type": "code", | |
149 | "execution_count": null, |
|
149 | "execution_count": null, | |
150 | "metadata": { |
|
150 | "metadata": { | |
151 | "collapsed": false |
|
151 | "collapsed": false | |
152 | }, |
|
152 | }, | |
153 | "outputs": [], |
|
153 | "outputs": [], | |
154 | "source": [ |
|
154 | "source": [ | |
155 | "print(widgets.Widget.on_trait_change.__doc__)" |
|
155 | "print(widgets.Widget.on_trait_change.__doc__)" | |
156 | ] |
|
156 | ] | |
157 | }, |
|
157 | }, | |
158 | { |
|
158 | { | |
159 | "cell_type": "markdown", |
|
159 | "cell_type": "markdown", | |
160 | "metadata": { |
|
160 | "metadata": { | |
161 | "slideshow": { |
|
161 | "slideshow": { | |
162 | "slide_type": "slide" |
|
162 | "slide_type": "slide" | |
163 | } |
|
163 | } | |
164 | }, |
|
164 | }, | |
165 | "source": [ |
|
165 | "source": [ | |
166 | "### Signatures" |
|
166 | "### Signatures" | |
167 | ] |
|
167 | ] | |
168 | }, |
|
168 | }, | |
169 | { |
|
169 | { | |
170 | "cell_type": "markdown", |
|
170 | "cell_type": "markdown", | |
171 | "metadata": {}, |
|
171 | "metadata": {}, | |
172 | "source": [ |
|
172 | "source": [ | |
173 | "Mentioned in the doc string, the callback registered can have **4 possible signatures**:\n", |
|
173 | "Mentioned in the doc string, the callback registered can have **4 possible signatures**:\n", | |
174 | "\n", |
|
174 | "\n", | |
175 | "- callback()\n", |
|
175 | "- callback()\n", | |
176 | "- callback(trait_name)\n", |
|
176 | "- callback(trait_name)\n", | |
177 | "- callback(trait_name, new_value)\n", |
|
177 | "- callback(trait_name, new_value)\n", | |
178 | "- callback(trait_name, old_value, new_value)\n", |
|
178 | "- callback(trait_name, old_value, new_value)\n", | |
179 | "\n", |
|
179 | "\n", | |
180 | "Using this method, an example of how to output an `IntSlider`'s value as it is changed can be seen below." |
|
180 | "Using this method, an example of how to output an `IntSlider`'s value as it is changed can be seen below." | |
181 | ] |
|
181 | ] | |
182 | }, |
|
182 | }, | |
183 | { |
|
183 | { | |
184 | "cell_type": "code", |
|
184 | "cell_type": "code", | |
185 | "execution_count": null, |
|
185 | "execution_count": null, | |
186 | "metadata": { |
|
186 | "metadata": { | |
187 | "collapsed": false |
|
187 | "collapsed": false | |
188 | }, |
|
188 | }, | |
189 | "outputs": [], |
|
189 | "outputs": [], | |
190 | "source": [ |
|
190 | "source": [ | |
191 | "int_range = widgets.IntSlider()\n", |
|
191 | "int_range = widgets.IntSlider()\n", | |
192 | "display(int_range)\n", |
|
192 | "display(int_range)\n", | |
193 | "\n", |
|
193 | "\n", | |
194 | "def on_value_change(name, value):\n", |
|
194 | "def on_value_change(name, value):\n", | |
195 | " print(value)\n", |
|
195 | " print(value)\n", | |
196 | "\n", |
|
196 | "\n", | |
197 | "int_range.on_trait_change(on_value_change, 'value')" |
|
197 | "int_range.on_trait_change(on_value_change, 'value')" | |
198 | ] |
|
198 | ] | |
199 | }, |
|
199 | }, | |
200 | { |
|
200 | { | |
201 | "cell_type": "markdown", |
|
201 | "cell_type": "markdown", | |
202 | "metadata": {}, |
|
202 | "metadata": {}, | |
203 | "source": [ |
|
203 | "source": [ | |
|
204 | "# Linking Widgets" | |||
|
205 | ] | |||
|
206 | }, | |||
|
207 | { | |||
|
208 | "cell_type": "markdown", | |||
|
209 | "metadata": {}, | |||
|
210 | "source": [ | |||
|
211 | "Often, you may want to simply link widget attributes together. Synchronization of attributes can be done in a simpler way than by using bare traitlets events. \n", | |||
|
212 | "\n", | |||
|
213 | "The first method is to use the `link` and `directional_link` functions from the `traitlets` module. " | |||
|
214 | ] | |||
|
215 | }, | |||
|
216 | { | |||
|
217 | "cell_type": "markdown", | |||
|
218 | "metadata": {}, | |||
|
219 | "source": [ | |||
|
220 | "## Linking traitlets attributes from the server side" | |||
|
221 | ] | |||
|
222 | }, | |||
|
223 | { | |||
|
224 | "cell_type": "code", | |||
|
225 | "execution_count": null, | |||
|
226 | "metadata": { | |||
|
227 | "collapsed": false | |||
|
228 | }, | |||
|
229 | "outputs": [], | |||
|
230 | "source": [ | |||
|
231 | "from IPython.utils import traitlets" | |||
|
232 | ] | |||
|
233 | }, | |||
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234 | { | |||
|
235 | "cell_type": "code", | |||
|
236 | "execution_count": null, | |||
|
237 | "metadata": { | |||
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238 | "collapsed": false | |||
|
239 | }, | |||
|
240 | "outputs": [], | |||
|
241 | "source": [ | |||
|
242 | "caption = widgets.Latex(value = 'The values of slider1, slider2 and slider3 are synchronized')\n", | |||
|
243 | "sliders1, slider2, slider3 = widgets.IntSlider(description='Slider 1'),\\\n", | |||
|
244 | " widgets.IntSlider(description='Slider 2'),\\\n", | |||
|
245 | " widgets.IntSlider(description='Slider 3')\n", | |||
|
246 | "l = traitlets.link((sliders1, 'value'), (slider2, 'value'), (slider3, 'value'))\n", | |||
|
247 | "display(caption, sliders1, slider2, slider3)" | |||
|
248 | ] | |||
|
249 | }, | |||
|
250 | { | |||
|
251 | "cell_type": "code", | |||
|
252 | "execution_count": null, | |||
|
253 | "metadata": { | |||
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254 | "collapsed": false | |||
|
255 | }, | |||
|
256 | "outputs": [], | |||
|
257 | "source": [ | |||
|
258 | "caption = widgets.Latex(value = 'Changes in source values are reflected in target1 and target2')\n", | |||
|
259 | "source, target1, target2 = widgets.IntSlider(description='Source'),\\\n", | |||
|
260 | " widgets.IntSlider(description='Target 1'),\\\n", | |||
|
261 | " widgets.IntSlider(description='Target 2')\n", | |||
|
262 | "traitlets.dlink((source, 'value'), (target1, 'value'), (target2, 'value'))\n", | |||
|
263 | "display(caption, source, target1, target2)" | |||
|
264 | ] | |||
|
265 | }, | |||
|
266 | { | |||
|
267 | "cell_type": "markdown", | |||
|
268 | "metadata": {}, | |||
|
269 | "source": [ | |||
|
270 | "Function `traitlets.link` returns a `Link` object. The link can be broken by calling the `unlink` method." | |||
|
271 | ] | |||
|
272 | }, | |||
|
273 | { | |||
|
274 | "cell_type": "code", | |||
|
275 | "execution_count": null, | |||
|
276 | "metadata": { | |||
|
277 | "collapsed": false | |||
|
278 | }, | |||
|
279 | "outputs": [], | |||
|
280 | "source": [ | |||
|
281 | "# l.unlink()" | |||
|
282 | ] | |||
|
283 | }, | |||
|
284 | { | |||
|
285 | "cell_type": "markdown", | |||
|
286 | "metadata": {}, | |||
|
287 | "source": [ | |||
|
288 | "## Linking widgets attributes from the client side" | |||
|
289 | ] | |||
|
290 | }, | |||
|
291 | { | |||
|
292 | "cell_type": "markdown", | |||
|
293 | "metadata": {}, | |||
|
294 | "source": [ | |||
|
295 | "When synchronizing traitlets attributes, you may experience a lag because of the latency dues to the rountrip to the server side. You can also directly link widgets attributes, either in a unidirectional or a bidirectional fashion using the link widgets. " | |||
|
296 | ] | |||
|
297 | }, | |||
|
298 | { | |||
|
299 | "cell_type": "code", | |||
|
300 | "execution_count": null, | |||
|
301 | "metadata": { | |||
|
302 | "collapsed": false | |||
|
303 | }, | |||
|
304 | "outputs": [], | |||
|
305 | "source": [ | |||
|
306 | "caption = widgets.Latex(value = 'The values of range1, range2 and range3 are synchronized')\n", | |||
|
307 | "range1, range2, range3 = widgets.IntSlider(description='Range 1'),\\\n", | |||
|
308 | " widgets.IntSlider(description='Range 2'),\\\n", | |||
|
309 | " widgets.IntSlider(description='Range 3')\n", | |||
|
310 | "l = widgets.link((range1, 'value'), (range2, 'value'), (range3, 'value'))\n", | |||
|
311 | "display(caption, range1, range2, range3)" | |||
|
312 | ] | |||
|
313 | }, | |||
|
314 | { | |||
|
315 | "cell_type": "code", | |||
|
316 | "execution_count": null, | |||
|
317 | "metadata": { | |||
|
318 | "collapsed": false | |||
|
319 | }, | |||
|
320 | "outputs": [], | |||
|
321 | "source": [ | |||
|
322 | "caption = widgets.Latex(value = 'Changes in source_range values are reflected in target_range1 and target_range2')\n", | |||
|
323 | "source_range, target_range1, target_range2 = widgets.IntSlider(description='Source range'),\\\n", | |||
|
324 | " widgets.IntSlider(description='Target range 1'),\\\n", | |||
|
325 | " widgets.IntSlider(description='Target range 2')\n", | |||
|
326 | "widgets.dlink((source_range, 'value'), (target_range1, 'value'), (target_range2, 'value'))\n", | |||
|
327 | "display(caption, source_range, target_range1, target_range2)" | |||
|
328 | ] | |||
|
329 | }, | |||
|
330 | { | |||
|
331 | "cell_type": "markdown", | |||
|
332 | "metadata": {}, | |||
|
333 | "source": [ | |||
|
334 | "Function `widgets.link` returns a `Link` widget. The link can be broken by calling the `unlink` method." | |||
|
335 | ] | |||
|
336 | }, | |||
|
337 | { | |||
|
338 | "cell_type": "code", | |||
|
339 | "execution_count": null, | |||
|
340 | "metadata": { | |||
|
341 | "collapsed": false | |||
|
342 | }, | |||
|
343 | "outputs": [], | |||
|
344 | "source": [ | |||
|
345 | "# l.unlink()" | |||
|
346 | ] | |||
|
347 | }, | |||
|
348 | { | |||
|
349 | "cell_type": "markdown", | |||
|
350 | "metadata": {}, | |||
|
351 | "source": [ | |||
204 | "[Index](Index.ipynb) - [Back](Widget List.ipynb) - [Next](Widget Styling.ipynb)" |
|
352 | "[Index](Index.ipynb) - [Back](Widget List.ipynb) - [Next](Widget Styling.ipynb)" | |
205 | ] |
|
353 | ] | |
206 | } |
|
354 | } | |
207 | ], |
|
355 | ], | |
208 | "metadata": { |
|
356 | "metadata": { | |
209 | "cell_tags": [ |
|
357 | "cell_tags": [ | |
210 | [ |
|
358 | [ | |
211 | "<None>", |
|
359 | "<None>", | |
212 | null |
|
360 | null | |
213 | ] |
|
361 | ] | |
214 | ], |
|
362 | ], | |
215 | "kernelspec": { |
|
363 | "kernelspec": { | |
|
364 | "display_name": "Python 2", | |||
|
365 | "name": "python2" | |||
|
366 | }, | |||
|
367 | "language_info": { | |||
216 | "codemirror_mode": { |
|
368 | "codemirror_mode": { | |
217 | "name": "python", |
|
369 | "name": "ipython", | |
218 | "version": 2 |
|
370 | "version": 2 | |
219 | }, |
|
371 | }, | |
220 | "display_name": "Python 2", |
|
372 | "file_extension": ".py", | |
221 |
" |
|
373 | "mimetype": "text/x-python", | |
222 |
"name": "python |
|
374 | "name": "python", | |
|
375 | "nbconvert_exporter": "python", | |||
|
376 | "pygments_lexer": "ipython2", | |||
|
377 | "version": "2.7.8" | |||
223 | }, |
|
378 | }, | |
224 | "signature": "sha256:05a3e92089b37f68e3134587ffef6ef73830e5f8b3c515ba24640d7c803820c3" |
|
379 | "signature": "sha256:b6eadc174d0d9c1907518d9f37760eb3dca3aec0ef1f3746e6f0537a36e99919" | |
225 | }, |
|
380 | }, | |
226 | "nbformat": 4, |
|
381 | "nbformat": 4, | |
227 | "nbformat_minor": 0 |
|
382 | "nbformat_minor": 0 | |
228 | } No newline at end of file |
|
383 | } |
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