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Make updates more granular for widgets

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This commit is contained in:
Jason Grout 2013-12-31 12:14:11 -07:00 committed by Jonathan Frederic
parent 641a5af70f
commit 7431fa37dd
1 changed files with 21 additions and 25 deletions
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46
IPython/html/static/notebook/js/widgets/base.js
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@ -243,10 +243,12 @@ function(widget_manager, underscore, backbone){
var WidgetView = BaseWidgetView.extend({
initialize: function (options) {
this.visible = true;
this.model.on('change:visible', function() {this.$el.toggle(this.model.get('visible'))}, this);
this.model.on('change', this.update_css, this);
BaseWidgetView.prototype.initialize.apply(this, arguments);
},
add_class: function (selector, class_list) {
var elements = this._get_selector_element(selector);
if (elements.length > 0) {
@ -260,27 +262,19 @@ function(widget_manager, underscore, backbone){
elements.removeClass(class_list);
}
},
update: function () {
// jng: hook into change:visible trigger
var visible = this.model.get('visible');
if (visible !== undefined && this.visible !== visible) {
this.visible = visible;
this.$el.toggle(visible)
}
if (this.model.css !== undefined) {
for (var selector in this.model.css) {
if (this.model.css.hasOwnProperty(selector)) {
// Apply the css traits to all elements that match the selector.
var elements = this._get_selector_element(selector);
if (elements.length > 0) {
var css_traits = this.model.css[selector];
for (var css_key in css_traits) {
if (css_traits.hasOwnProperty(css_key)) {
elements.css(css_key, css_traits[css_key]);
}
update_css: function () {
var css = this.model.css;
if (css === undefined) {return;}
for (var selector in css) {
if (css.hasOwnProperty(selector)) {
// Apply the css traits to all elements that match the selector.
var elements = this._get_selector_element(selector);
if (elements.length > 0) {
var css_traits = css[selector];
for (var css_key in css_traits) {
if (css_traits.hasOwnProperty(css_key)) {
elements.css(css_key, css_traits[css_key]);
}
}
}
@ -293,14 +287,16 @@ function(widget_manager, underscore, backbone){
// blank, apply the style to the $el_to_style element. If
// the $el_to_style element is not defined, use apply the
// style to the view's element.
var elements = this.$el.find(selector);
var elements;
if (selector === undefined || selector === null || selector === '') {
if (this.$el_to_style === undefined) {
elements = this.$el;
} else {
elements = this.$el_to_style;
}
}
} else {
elements = this.$el.find(selector);
}
return elements;
},
});