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jshint widget.js
This commit is contained in:
Jonathan Frederic
Jonathan Frederic
parent
d398ab6720
commit
3bc9d12eb8
@ -15,6 +15,7 @@
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* @submodule widget
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*/
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(function () {
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"use strict";
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// Use require.js 'define' method so that require.js is intelligent enough to
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@ -69,8 +70,8 @@ define(["components/underscore/underscore-min",
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// will insure that any python code triggered by the sent message
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// can create and display widgets and output.
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if (cell === undefined) {
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if (this.last_modified_view != undefined &&
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this.last_modified_view.cell != undefined) {
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if (this.last_modified_view !== undefined &&
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this.last_modified_view.cell !== undefined) {
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cell = this.last_modified_view.cell;
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}
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}
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@ -104,7 +105,7 @@ define(["components/underscore/underscore-min",
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this._custom_msg_callbacks.splice(found_index, 1);
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}
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} else {
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this._custom_msg_callbacks.push(callback)
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this._custom_msg_callbacks.push(callback);
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}
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},
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@ -135,9 +136,9 @@ define(["components/underscore/underscore-min",
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// Try to get the cell.
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var cell = this._get_msg_cell(msg.parent_header.msg_id);
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if (cell == null) {
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if (cell === null) {
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console.log("Could not determine where the display" +
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" message was from. Widget will not be displayed")
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" message was from. Widget will not be displayed");
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} else {
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this._display_view(msg.content.data.view_name,
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msg.content.data.parent,
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@ -198,10 +199,9 @@ define(["components/underscore/underscore-min",
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// Send buffer if this message caused another message to be
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// throttled.
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if (this.msg_buffer != null &&
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if (this.msg_buffer !== null &&
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this.msg_throttle == this.pending_msgs) {
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var cell = this._get_msg_cell(msg.parent_header.msg_id);
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var callbacks = this._make_callbacks(cell);
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var data = {method: 'backbone', sync_method: 'update', sync_data: this.msg_buffer};
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this.comm.send(data, callbacks);
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@ -219,6 +219,7 @@ define(["components/underscore/underscore-min",
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// Custom syncronization logic.
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_handle_sync: function (method, options) {
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var model_json = this.toJSON();
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var attr;
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// Only send updated state if the state hasn't been changed
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// during an update.
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@ -228,10 +229,10 @@ define(["components/underscore/underscore-min",
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// it can be sent once the kernel has finished processing
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// some of the existing messages.
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if (method=='patch') {
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if (this.msg_buffer == null) {
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if (this.msg_buffer === null) {
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this.msg_buffer = $.extend({}, model_json); // Copy
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}
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for (var attr in options.attrs) {
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for (attr in options.attrs) {
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this.msg_buffer[attr] = options.attrs[attr];
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}
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} else {
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@ -245,7 +246,7 @@ define(["components/underscore/underscore-min",
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var send_json = model_json;
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if (method=='patch') {
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send_json = {};
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for (var attr in options.attrs) {
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for (attr in options.attrs) {
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send_json[attr] = options.attrs[attr];
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}
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}
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@ -253,7 +254,7 @@ define(["components/underscore/underscore-min",
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var data = {method: 'backbone', sync_method: method, sync_data: send_json};
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var cell = null;
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if (this.last_modified_view != undefined && this.last_modified_view != null) {
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if (this.last_modified_view !== undefined && this.last_modified_view !== null) {
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cell = this.last_modified_view.cell;
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}
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@ -272,7 +273,7 @@ define(["components/underscore/underscore-min",
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_handle_view_displayed: function(view) {
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if (this._view_displayed_callback) {
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try {
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this._view_displayed_callback(view)
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this._view_displayed_callback(view);
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} catch (e) {
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console.log("Exception in widget model view displayed callback", e, view, this);
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}
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@ -302,19 +303,20 @@ define(["components/underscore/underscore-min",
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// Create view that represents the model.
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_display_view: function (view_name, parent_comm_id, cell) {
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var new_views = [];
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var view;
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// Try creating and adding the view to it's parent.
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var displayed = false;
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if (parent_comm_id != undefined) {
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if (parent_comm_id !== undefined) {
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var parent_comm = this.comm_manager.comms[parent_comm_id];
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var parent_model = parent_comm.model;
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var parent_views = parent_model.views;
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for (var parent_view_index in parent_views) {
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var parent_view = parent_views[parent_view_index];
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if (parent_view.cell === cell) {
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if (parent_view.display_child != undefined) {
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var view = this._create_view(view_name, cell);
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if (view != null) {
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if (parent_view.display_child !== undefined) {
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view = this._create_view(view_name, cell);
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if (view !== null) {
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new_views.push(view);
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parent_view.display_child(view);
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displayed = true;
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@ -328,11 +330,11 @@ define(["components/underscore/underscore-min",
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// If no parent view is defined or exists. Add the view's
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// element to cell's widget div.
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if (!displayed) {
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var view = this._create_view(view_name, cell);
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if (view != null) {
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view = this._create_view(view_name, cell);
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if (view !== null) {
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new_views.push(view);
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if (cell.widget_subarea != undefined && cell.widget_subarea != null) {
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if (cell.widget_subarea !== undefined && cell.widget_subarea !== null) {
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cell.widget_area.show();
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cell.widget_subarea.append(view.$el);
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this._handle_view_displayed(view);
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@ -342,7 +344,7 @@ define(["components/underscore/underscore-min",
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// Force the new view(s) to update their selves
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for (var view_index in new_views) {
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var view = new_views[view_index];
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view = new_views[view_index];
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view.update();
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}
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},
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@ -350,9 +352,9 @@ define(["components/underscore/underscore-min",
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// Create a view
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_create_view: function (view_name, cell) {
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var view_type = this.widget_manager.widget_view_types[view_name];
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if (view_type != undefined && view_type != null) {
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var view = new view_type({model: this});
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var ViewType = this.widget_manager.widget_view_types[view_name];
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if (ViewType !== undefined && ViewType !== null) {
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var view = new ViewType({model: this});
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view.render();
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this.views.push(view);
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view.cell = cell;
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@ -367,10 +369,10 @@ define(["components/underscore/underscore-min",
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view.remove(); // Clean-up view
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// Close the comm if there are no views left.
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if (that.views.length()==0) {
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if (that.views.length() === 0) {
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if (that._close_callback) {
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try {
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that._close_callback(that)
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that._close_callback(that);
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} catch (e) {
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console.log("Exception in widget model close callback", e, that);
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}
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@ -388,12 +390,12 @@ define(["components/underscore/underscore-min",
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// Build a callback dict.
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_make_callbacks: function (cell) {
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var callbacks = {};
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if (cell != null) {
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if (cell !== null) {
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// Try to get output handlers
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var handle_output = null;
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var handle_clear_output = null;
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if (cell.output_area != undefined && cell.output_area != null) {
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if (cell.output_area !== undefined && cell.output_area !== null) {
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handle_output = $.proxy(cell.output_area.handle_output, cell.output_area);
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handle_clear_output = $.proxy(cell.output_area.handle_clear_output, cell.output_area);
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}
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@ -428,7 +430,7 @@ define(["components/underscore/underscore-min",
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// First, check to see if the msg was triggered by cell execution.
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var cell = this.widget_manager.get_msg_cell(msg_id);
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if (cell != null) {
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if (cell !== null) {
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return cell;
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}
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@ -438,9 +440,9 @@ define(["components/underscore/underscore-min",
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// message was triggered by a widget.
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var kernel = this.comm_manager.kernel;
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var callbacks = kernel.get_callbacks_for_msg(msg_id);
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if (callbacks != undefined &&
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callbacks.iopub != undefined &&
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callbacks.iopub.get_cell != undefined) {
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if (callbacks !== undefined &&
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callbacks.iopub !== undefined &&
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callbacks.iopub.get_cell !== undefined) {
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return callbacks.iopub.get_cell();
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}
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@ -483,7 +485,7 @@ define(["components/underscore/underscore-min",
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},
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update: function() {
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if (this.model.get('visible') != undefined) {
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if (this.model.get('visible') !== undefined) {
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if (this.visible != this.model.get('visible')) {
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this.visible = this.model.get('visible');
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if (this.visible) {
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@ -494,7 +496,7 @@ define(["components/underscore/underscore-min",
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}
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}
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if (this.model.css != undefined) {
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if (this.model.css !== undefined) {
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for (var selector in this.model.css) {
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if (this.model.css.hasOwnProperty(selector)) {
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@ -519,8 +521,8 @@ define(["components/underscore/underscore-min",
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// the $el_to_style element is not defined, use apply the
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// style to the view's element.
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var elements = this.$el.find(selector);
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if (selector===undefined || selector===null || selector=='') {
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if (this.$el_to_style == undefined) {
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if (selector === undefined || selector === null || selector === '') {
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if (this.$el_to_style === undefined) {
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elements = this.$el;
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} else {
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elements = this.$el_to_style;
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@ -546,7 +548,7 @@ define(["components/underscore/underscore-min",
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options.success(result);
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}
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};
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}
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};
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WidgetManager.prototype.attach_comm_manager = function (comm_manager) {
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@ -556,34 +558,34 @@ define(["components/underscore/underscore-min",
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for (var widget_model_name in this.widget_model_types) {
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this.comm_manager.register_target(widget_model_name, $.proxy(this._handle_com_open, this));
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}
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}
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};
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WidgetManager.prototype.register_widget_model = function (widget_model_name, widget_model_type) {
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// Register the widget with the comm manager. Make sure to pass this object's context
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// in so `this` works in the call back.
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if (this.comm_manager!=null) {
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if (this.comm_manager !== null) {
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this.comm_manager.register_target(widget_model_name, $.proxy(this._handle_com_open, this));
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}
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this.widget_model_types[widget_model_name] = widget_model_type;
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}
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};
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WidgetManager.prototype.register_widget_view = function (widget_view_name, widget_view_type) {
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this.widget_view_types[widget_view_name] = widget_view_type;
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}
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};
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WidgetManager.prototype.get_msg_cell = function (msg_id) {
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if (IPython.notebook != undefined && IPython.notebook != null) {
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if (IPython.notebook !== undefined && IPython.notebook !== null) {
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return IPython.notebook.get_msg_cell(msg_id);
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}
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}
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};
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WidgetManager.prototype.on_create_widget = function (callback) {
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this._create_widget_callback = callback;
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}
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};
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WidgetManager.prototype._handle_create_widget = function (widget_model) {
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@ -594,14 +596,14 @@ define(["components/underscore/underscore-min",
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console.log("Exception in WidgetManager callback", e, widget_model);
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}
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}
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}
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};
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WidgetManager.prototype._handle_com_open = function (comm, msg) {
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var widget_type_name = msg.content.target_name;
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var widget_model = new this.widget_model_types[widget_type_name](this.comm_manager, comm, this);
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this._handle_create_widget(widget_model);
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}
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};
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//--------------------------------------------------------------------
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@ -611,9 +613,10 @@ define(["components/underscore/underscore-min",
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IPython.WidgetModel = WidgetModel;
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IPython.WidgetView = WidgetView;
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if (IPython.widget_manager==undefined || IPython.widget_manager==null) {
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if (IPython.widget_manager === undefined || IPython.widget_manager === null) {
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IPython.widget_manager = new WidgetManager();
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}
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return IPython.widget_manager;
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});
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}());
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