discourse/app/assets/javascripts/admin/components/value-list.js

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import discourseComputed from "discourse-common/utils/decorators";
import { makeArray } from "discourse-common/lib/helpers";
import { empty, reads } from "@ember/object/computed";
import Component from "@ember/component";
import { on } from "discourse-common/utils/decorators";
export default Component.extend({
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classNameBindings: [":value-list"],
inputInvalid: empty("newValue"),
inputDelimiter: null,
inputType: null,
newValue: "",
collection: null,
values: null,
noneKey: reads("addKey"),
@on("didReceiveAttrs")
_setupCollection() {
const values = this.values;
if (this.inputType === "array") {
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this.set("collection", values || []);
return;
}
this.set(
"collection",
this._splitValues(values, this.inputDelimiter || "\n")
);
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},
@discourseComputed("choices.[]", "collection.[]")
filteredChoices(choices, collection) {
return makeArray(choices).filter(i => collection.indexOf(i) < 0);
},
keyDown(event) {
if (event.keyCode === 13) this.send("addValue", this.newValue);
},
actions: {
changeValue(index, newValue) {
this._replaceValue(index, newValue);
},
addValue(newValue) {
if (this.inputInvalid) return;
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this.set("newValue", null);
this._addValue(newValue);
},
removeValue(value) {
this._removeValue(value);
},
selectChoice(choice) {
this._addValue(choice);
}
},
_addValue(value) {
this.collection.addObject(value);
if (this.choices) {
this.set("choices", this.choices.rejectBy("id", value));
} else {
this.set("choices", []);
}
this._saveValues();
},
_removeValue(value) {
this.collection.removeObject(value);
if (this.choices) {
this.set("choices", this.choices.concat([value]).uniq());
} else {
this.set("choices", makeArray(value));
}
this._saveValues();
},
_replaceValue(index, newValue) {
this.collection.replace(index, 1, [newValue]);
this._saveValues();
},
_saveValues() {
if (this.inputType === "array") {
this.set("values", this.collection);
return;
}
this.set("values", this.collection.join(this.inputDelimiter || "\n"));
},
_splitValues(values, delimiter) {
if (values && values.length) {
return values.split(delimiter).filter(x => x);
} else {
return [];
}
}
});