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Added on_view_displayed and on_close callbacks to widget manager.

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This commit is contained in:
Jonathan Frederic 2013-11-18 20:31:00 +00:00
parent b47cc6c3ee
commit 296d0e0b31
1 changed files with 31 additions and 1 deletions
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32
IPython/html/static/notebook/js/widget.js
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@ -65,6 +65,16 @@ define(["components/underscore/underscore-min",
},
on_view_displayed: function (callback) {
this._view_displayed_callback = callback;
}
on_close: function (callback) {
this._close_callback = callback;
}
// Handle when a widget is closed.
_handle_comm_closed: function (msg) {
for (var cell in this.views) {
@ -83,7 +93,7 @@ define(["components/underscore/underscore-min",
switch (method){
case 'display':
// Try to get the cell index.
// Try to get the cell.
var cell = this._get_msg_cell(msg.parent_header.msg_id);
if (cell == null) {
console.log("Could not determine where the display" +
@ -206,6 +216,17 @@ define(["components/underscore/underscore-min",
},
_handle_view_displayed: function(view) {
if (this._view_displayed_callback) {
try {
this._view_displayed_callback(view)
} catch (e) {
console.log("Exception in widget model view displayed callback", e, view, this);
}
}
}
// Create view that represents the model.
_display_view: function (view_name, parent_comm_id, cell) {
var new_views = [];
@ -224,6 +245,7 @@ define(["components/underscore/underscore-min",
new_views.push(view);
parent_view.display_child(view);
displayed = true;
this._handle_view_displayed(view);
}
}
}
@ -239,6 +261,7 @@ define(["components/underscore/underscore-min",
if (cell.widget_subarea != undefined && cell.widget_subarea != null) {
cell.widget_area.show();
cell.widget_subarea.append(view.$el);
this._handle_view_displayed(view);
}
}
}
@ -277,6 +300,13 @@ define(["components/underscore/underscore-min",
// Close the comm if there are no views left.
if (that.views.length()==0) {
if (that._close_callback) {
try {
that._close_callback(that)
} catch (e) {
console.log("Exception in widget model close callback", e, that);
}
}
that.comm.close();
}
});