a34c8c8233
This basically commits the transpiled CoffeeScript JS (with minor cleanup) and removes coffee build support. A tiny amount of support for xblocks exists, because external users may have xblocks with coffee. But no coffee in our tree anyway.
116 lines
3.4 KiB
JavaScript
116 lines
3.4 KiB
JavaScript
define(['backbone'], function(Backbone) {
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/**
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* Model used for metadata setting editors. This model does not do its own saving,
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* as that is done by module_edit.js.
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*/
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var Metadata = Backbone.Model.extend({
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defaults: {
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field_name: null,
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display_name: null,
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value: null,
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explicitly_set: null,
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default_value: null,
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options: null,
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type: null
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},
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initialize: function() {
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this.original_value = this.get('value');
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this.original_explicitly_set = this.get('explicitly_set');
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},
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/**
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* Returns true if the stored value is different, or if the "explicitly_set"
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* property has changed.
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*/
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isModified: function() {
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if (!this.get('explicitly_set') && !this.original_explicitly_set) {
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return false;
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}
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if (this.get('explicitly_set') && this.original_explicitly_set) {
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return this.get('value') !== this.original_value;
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}
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return true;
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},
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/**
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* Returns true if a non-default/non-inherited value has been set.
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*/
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isExplicitlySet: function() {
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return this.get('explicitly_set');
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},
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/**
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* The value, as shown in the UI. This may be an inherited or default value.
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*/
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getDisplayValue: function() {
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return this.get('value');
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},
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/**
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* The value, as should be returned to the server. if 'isExplicitlySet'
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* returns false, this method returns null to indicate that the value
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* is not set at this level.
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*/
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getValue: function() {
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return this.get('explicitly_set') ? this.get('value') : null;
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},
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/**
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* Sets the displayed value.
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*/
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setValue: function(value) {
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this.set({
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explicitly_set: true,
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value: value
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});
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},
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/**
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* Returns the field name, which should be used for persisting the metadata
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* field to the server.
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*/
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getFieldName: function() {
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return this.get('field_name');
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},
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/**
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* Returns the options. This may be a array of possible values, or an object
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* with properties like "max", "min" and "step".
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*/
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getOptions: function() {
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return this.get('options');
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},
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/**
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* Returns the type of this metadata field. Possible values are SELECT_TYPE,
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* INTEGER_TYPE, and FLOAT_TYPE, GENERIC_TYPE.
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*/
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getType: function() {
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return this.get('type');
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},
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/**
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* Reverts the value to the default_value specified at construction, and updates the
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* explicitly_set property.
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*/
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clear: function() {
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this.set({
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explicitly_set: false,
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value: this.get('default_value')
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});
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}
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});
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Metadata.SELECT_TYPE = 'Select';
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Metadata.INTEGER_TYPE = 'Integer';
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Metadata.FLOAT_TYPE = 'Float';
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Metadata.GENERIC_TYPE = 'Generic';
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Metadata.LIST_TYPE = 'List';
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Metadata.DICT_TYPE = 'Dict';
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Metadata.VIDEO_LIST_TYPE = 'VideoList';
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Metadata.RELATIVE_TIME_TYPE = 'RelativeTime';
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return Metadata;
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});
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