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/* eslint-disable no-new */
/* global Flash */
/**
* In each pipelines table we have a mini pipeline graph for each pipeline.
*
* When we click in a pipeline stage, we need to make an API call to get the
* builds list to render in a dropdown.
*
* The container should be the table element.
*
* The stage icon clicked needs to have the following HTML structure:
* <div class="dropdown">
* <button class="dropdown js-builds-dropdown-button" data-toggle="dropdown"></button>
* <div class="js-builds-dropdown-container dropdown-menu"></div>
* </div>
*/
export default class MiniPipelineGraph {
constructor(opts = {}) {
this.container = opts.container || '';
this.dropdownListSelector = '.js-builds-dropdown-container';
this.getBuildsList = this.getBuildsList.bind(this);
}
/**
* Adds the event listener when the dropdown is opened.
* All dropdown events are fired at the .dropdown-menu's parent element.
*/
bindEvents() {
$(document)
.off('shown.bs.dropdown', this.container)
.on('shown.bs.dropdown', this.container, this.getBuildsList);
}
/**
* When the user right clicks or cmd/ctrl + click in the job name
* the dropdown should not be closed and the link should open in another tab,
* so we stop propagation of the click event inside the dropdown.
*
* Since this component is rendered multiple times per page we need to guarantee we only
* target the click event of this component.
*/
stopDropdownClickPropagation() {
$(document).on(
'click',
`${this.container} .js-builds-dropdown-list a.mini-pipeline-graph-dropdown-item`,
(e) => {
e.stopPropagation();
},
);
}
/**
* For the clicked stage, renders the given data in the dropdown list.
*
* @param {HTMLElement} stageContainer
* @param {Object} data
*/
renderBuildsList(stageContainer, data) {
const dropdownContainer = stageContainer.parentElement.querySelector(
`${this.dropdownListSelector} .js-builds-dropdown-list`,
);
dropdownContainer.innerHTML = data;
}
/**
* For the clicked stage, gets the list of builds.
*
* All dropdown events have a relatedTarget property,
* whose value is the toggling anchor element.
*
* @param {Object} e bootstrap dropdown event
* @return {Promise}
*/
getBuildsList(e) {
const button = e.relatedTarget;
const endpoint = button.dataset.stageEndpoint;
return $.ajax({
dataType: 'json',
type: 'GET',
url: endpoint,
beforeSend: () => {
this.renderBuildsList(button, '');
this.toggleLoading(button);
},
success: (data) => {
this.toggleLoading(button);
this.renderBuildsList(button, data.html);
this.stopDropdownClickPropagation();
},
error: () => {
this.toggleLoading(button);
if ($(button).parent().hasClass('open')) {
$(button).dropdown('toggle');
}
new Flash('An error occurred while fetching the builds.', 'alert');
},
});
}
/**
* Toggles the visibility of the loading icon.
*
* @param {HTMLElement} stageContainer
* @return {type}
*/
toggleLoading(stageContainer) {
stageContainer.parentElement.querySelector(
`${this.dropdownListSelector} .js-builds-dropdown-loading`,
).classList.toggle('hidden');
}
}
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