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Live updates for children automatically change container views.

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Since traitlets does not trigger events when list elements are changed, these changes are triggered only when the entire children element is reassigned.
This commit is contained in:
Jason Grout 2014-01-01 15:54:12 -07:00 committed by Jonathan Frederic
parent b52043b4f7
commit 44e2043afe
3 changed files with 53 additions and 11 deletions
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23
IPython/html/static/notebook/js/widgets/base.js
View File

@ -186,10 +186,31 @@ function(widget_manager, underscore, backbone){
// if the view name is not given, it defaults to the model's default view attribute
var child_model = this.comm_manager.comms[comm_id].model;
var child_view = this.widget_manager.create_view(child_model, view_name, this.cell);
this.child_views.push(child_view);
this.child_views[comm_id] = child_view;
return child_view;
},
update_child_views: function(old_list, new_list) {
// this function takes an old list and new list of comm ids
// views in child_views that correspond to deleted ids are deleted
// views corresponding to added ids are added child_views
// delete old views
_.each(_.difference(old_list, new_list), function(element, index, list) {
var view = this.child_views[element];
delete this.child_views[element];
view.remove();
}, this);
// add new views
_.each(_.difference(new_list, old_list), function(element, index, list) {
// this function adds the view to the child_views dictionary
this.child_view(element);
}, this);
},
render: function(){
// render the view. By default, this is only called the first time the view is created
},

18
IPython/html/static/notebook/js/widgets/container.js
View File

@ -52,14 +52,22 @@ define(["notebook/js/widgets/base"], function(widget_manager) {
render: function(){
this.$el
.addClass('widget-container');
var children = this.model.get('children');
for(var i in children) {
var view = this.child_view(children[i]);
this.$el.append(view.$el);
}
this.children={};
this.update_children([], this.model.get('children'));
this.model.on('change:children', function(model, value, options) {
this.update_children(model.previous('children'), value);
}, this);
this.update()
},
update_children: function(old_list, new_list) {
this.$el.empty();
this.update_child_views(old_list, new_list);
_.each(new_list, function(element, index, list) {
this.$el.append(this.child_views[element].$el);
}, this)
},
update: function(){
set_flex_properties(this, this.$el);
return IPython.WidgetView.prototype.update.call(this);

21
IPython/html/static/notebook/js/widgets/multicontainer.js
View File

@ -26,11 +26,24 @@ define(["notebook/js/widgets/base"], function(widget_manager){
.attr('id', guid)
.addClass('accordion');
this.containers = [];
for (var i in children) {
this.add_child_view(this.child_view(children[i]))
}
this.update_children([], this.model.get('children'));
this.model.on('change:children', function(model, value, options) {
this.update_children(model.previous('children'), value);
}, this);
},
update_children: function(old_list, new_list) {
_.each(this.containers, function(element, index, list) {
element.remove();
}, this);
this.containers = [];
this.update_child_views(old_list, new_list);
_.each(new_list, function(element, index, list) {
this.add_child_view(this.child_views[element]);
}, this)
},
update: function() {
// Set tab titles
var titles = this.model.get('_titles');