debian-mirror-gitlab/app/assets/javascripts/create_item_dropdown.js

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JavaScript
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import { escape } from 'lodash';
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import '~/gl_dropdown';
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export default class CreateItemDropdown {
/**
* @param {Object} options containing
* `$dropdown` target element
* `onSelect` event callback
* $dropdown must be an element created using `dropdown_tag()` rails helper
*/
constructor(options) {
this.defaultToggleLabel = options.defaultToggleLabel;
this.fieldName = options.fieldName;
this.onSelect = options.onSelect || (() => {});
this.getDataOption = options.getData;
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this.getDataRemote = Boolean(options.filterRemote);
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this.createNewItemFromValueOption = options.createNewItemFromValue;
this.$dropdown = options.$dropdown;
this.$dropdownContainer = this.$dropdown.parent();
this.$dropdownFooter = this.$dropdownContainer.find('.dropdown-footer');
this.$createButton = this.$dropdownContainer.find('.js-dropdown-create-new-item');
this.buildDropdown();
this.bindEvents();
// Hide footer
this.toggleFooter(true);
}
buildDropdown() {
this.$dropdown.glDropdown({
data: this.getData.bind(this),
filterable: true,
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filterRemote: this.getDataRemote,
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search: {
fields: ['text'],
},
selectable: true,
toggleLabel(selected) {
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return selected && 'id' in selected ? escape(selected.title) : this.defaultToggleLabel;
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},
fieldName: this.fieldName,
text(item) {
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return escape(item.text);
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},
id(item) {
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return escape(item.id);
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},
onFilter: this.toggleCreateNewButton.bind(this),
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clicked: options => {
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options.e.preventDefault();
this.onSelect();
},
});
}
clearDropdown() {
this.$dropdownContainer.find('.dropdown-content').html('');
this.$dropdownContainer.find('.dropdown-input-field').val('');
}
bindEvents() {
this.$createButton.on('click', this.onClickCreateWildcard.bind(this));
}
onClickCreateWildcard(e) {
e.preventDefault();
this.refreshData();
this.$dropdown.data('glDropdown').selectRowAtIndex();
}
refreshData() {
// Refresh the dropdown's data, which ends up calling `getData`
this.$dropdown.data('glDropdown').remote.execute();
}
getData(term, callback) {
this.getDataOption(term, (data = []) => {
// Ensure the selected item isn't already in the data to avoid duplicates
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const alreadyHasSelectedItem =
this.selectedItem && data.some(item => item.id === this.selectedItem.id);
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let uniqueData = data;
if (!alreadyHasSelectedItem) {
uniqueData = data.concat(this.selectedItem || []);
}
callback(uniqueData);
});
}
createNewItemFromValue(newValue) {
if (this.createNewItemFromValueOption) {
return this.createNewItemFromValueOption(newValue);
}
return {
title: newValue,
id: newValue,
text: newValue,
};
}
toggleCreateNewButton(newValue) {
if (newValue) {
this.selectedItem = this.createNewItemFromValue(newValue);
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this.$dropdownContainer.find('.js-dropdown-create-new-item code').text(newValue);
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}
this.toggleFooter(!newValue);
}
toggleFooter(toggleState) {
this.$dropdownFooter.toggleClass('hidden', toggleState);
}
}