Files
iTop/js/layouts/tab-container/tab-container.js

334 lines
15 KiB
JavaScript

/*
* @copyright Copyright (C) 2010-2021 Combodo SARL
* @license http://opensource.org/licenses/AGPL-3.0
*/
$(function()
{
$.widget( 'itop.tab_container',
{
// default options
options:
{
remote_tab_load_dict: 'Click to load',
},
css_classes:
{
is_hidden: 'ibo-is-hidden',
is_transparent: 'ibo-is-transparent',
is_opaque: 'ibo-is-opaque',
is_scrollable: 'ibo-is-scrollable',
tab_container: 'ibo-tab-container',
},
js_selectors:
{
tabs_list: '[data-role="ibo-tab-container--tabs-list"]',
tab_header: '[data-role="ibo-tab-container--tab-header"]',
tab_ajax_type: '[data-tab-type="ajax"]',
tab_html_type: '[data-tab-type="html"]',
tab_toggler: '[data-role="ibo-tab-container--tab-toggler"]',
extra_tabs_container: '[data-role="ibo-tab-container--extra-tabs-container"]',
extra_tabs_list_toggler: '[data-role="ibo-tab-container--extra-tabs-list-toggler"]',
extra_tabs_list: '[data-role="ibo-tab-container--extra-tabs-list"]',
extra_tab_toggler: '[data-role="ibo-tab-container--extra-tab-toggler"]',
},
// the constructor
_create: function()
{
var me = this;
this.element.addClass(this.css_classes.tab_container);
// Ugly patch for a change in the behavior of jQuery UI:
// Before jQuery UI 1.9, tabs were always considered as "local" (opposed to Ajax)
// when their href was beginning by #. Starting with 1.9, a <base> tag in the page
// is taken into account and causes "local" tabs to be considered as Ajax
// unless their URL is equal to the URL of the page...
if ($('base').length > 0) {
this.element.find(this.js_selectors.tab_toggler).each(function () {
const sHash = location.hash;
const sCleanLocation = location.href.toString().replace(sHash, '').replace(/#$/, '');
$(this).attr('href', sCleanLocation+$(this).attr('href'));
});
}
let oTabsParams = {
classes: {
'ui-tabs-panel': 'ibo-tab-container--tab-container', // For ajax tabs, so their containers have the right CSS classes
},
// There we want a number as it is for the jQuery Tabs API
active: this._getTabIndexFromTabId($.bbq.getState(this.element.attr('id'), true)) || 0,
remote_tab_load_dict: this.options.remote_tab_load_dict
};
if ($.bbq) {
// Enable tabs on all tab widgets. The `event` property must be overridden so
// that the tabs aren't changed on click, and any custom event name can be
// specified. Note that if you define a callback for the 'select' event, it
// will be executed for the selected tab whenever the hash changes.
oTabsParams['event'] = 'change';
}
// While our tab widget is loading, protect tab toggler from being triggered
this.element.find(this.js_selectors.tab_toggler).on('click', function(e){
if(me.element.attr('data-status') === 'loading') {
e.preventDefault();
e.stopImmediatePropagation();
}
});
// Now that we are protected from toggler being triggered without tab container being loaded, we can put back
// data-target attribute value back into href attribute
$.each(this.element.find(this.js_selectors.tab_header + this.js_selectors.tab_ajax_type), function (a){
let oLink = $(this).find(me.js_selectors.tab_toggler);
oLink.attr('href', oLink.attr('data-target'));
})
this._addTabsWidget(oTabsParams);
this._bindEvents()
// We're done, set our status as loaded
this.element.attr('data-status', 'loaded');
},
/**
* @param oParams {Object} Structured object representing the options for the jQuery UI Tabs widget
* @private
*/
_addTabsWidget: function (oParams) {
if (this.element.hasClass(this.css_classes.is_scrollable)) {
this.element.scrollabletabs(oParams);
} else {
this.element.regulartabs(oParams);
}
},
/**
* Return tabs widget instance
* @public
*/
GetTabsWidget: function () {
if (this.element.hasClass(this.css_classes.is_scrollable)) {
return this.element.scrollabletabs('instance');
} else {
return this.element.regulartabs('instance');
}
},
// events bound via _bind are removed automatically
// revert other modifications here
_destroy: function()
{
this.element.removeClass(this.css_classes.tab_container);
},
_bindEvents: function()
{
const me = this;
// Bind an event on tab activation
this.element.on('tabsactivate', function(oEvent, oUI){
me._onTabActivated(oUI);
});
this.element.on('tabscrolled', function(oEvent, oUI){
me._onTabActivated(oUI);
});
// Bind an event to window.onhashchange that, when the history state changes,
// iterates over all tab widgets, changing the current tab as necessary.
$(window).on('hashchange', function(){
me._onHashChange();
});
// Click on tab togglers
this.element.find(this.js_selectors.tab_toggler).on('click', function(){
me._onTabTogglerClick($(this));
});
// Resize of the tab container
if(window.IntersectionObserver) {
const oTabsListIntersectObs = new IntersectionObserver(function(aEntries, oTabsListIntersectObs){
aEntries.forEach(oEntry => {
let oTabHeaderElem = $(oEntry.target);
let bIsVisible = oEntry.isIntersecting;
if(bIsVisible) {
oTabHeaderElem.removeClass(me.css_classes.is_transparent);
oTabHeaderElem.css('visibility', '');
}
else {
oTabHeaderElem.removeClass(me.css_classes.is_transparent);
// This is necessary, otherwise link will still be clickable
oTabHeaderElem.css('visibility', 'hidden');
}
me._updateTabHeaderDisplay(oTabHeaderElem, bIsVisible);
});
me._updateExtraTabsList();
}, {
root: this.element.find(this.js_selectors.tabs_list)[0],
threshold: [0.9] // N°4783 Should be completely visible, but lowering the threshold prevents a bug in the JS Observer API when the window is zoomed in/out, in which case all items respond as being hidden even when they are not.
});
this.element.find(this.js_selectors.tab_header).each(function(){
oTabsListIntersectObs.observe(this);
});
}
// Click on extra tabs list toggler
this.element.find(this.js_selectors.extra_tabs_list_toggler).on('click', function(oEvent){
me._onExtraTabsListTogglerClick($(this), oEvent);
});
// Click on "extra tab togglers"
this.element.find(this.js_selectors.extra_tab_toggler).on('click', function(oEvent){
me._onExtraTabTogglerClick($(this), oEvent);
});
// Mostly for outside clicks that should close elements
$('body').on('click', function(oEvent){
me._onBodyClick(oEvent);
});
},
// Events callbacks
// - Update tab headers display on container resize
_onTabContainerResize: function()
{
const me = this;
this.element.find(this.js_selectors.tab_header).each(function(){
me._updateTabHeaderDisplay($(this));
});
this._updateExtraTabsList();
},
// - Update URL hash when tab is activated
_onTabActivated: function(oUI)
{
let oState = {};
// Get the id of this tab widget.
const sId = this.element.attr('id');
//Datatable are not displayed correctly when hidden
$(oUI.newPanel).find('.dataTables_scrollBody > .ibo-datatable').each(function () {
$('#'+this.id).DataTable().columns.adjust().draw();
});
// Get the ID of this tab.
const sTabId = $(oUI.newTab).attr('data-tab-id');
// Set the state!
oState[sId] = sTabId;
$.bbq.pushState(oState);
},
// - Change current tab as necessary when URL hash changes
_onHashChange: function () {
// Get the index for this tab widget from the hash, based on the
// appropriate id property. In jQuery 1.4, you should use e.getState()
// instead of $.bbq.getState(). The second, 'true' argument coerces the
// string value to a number.
const sTabId = $.bbq.getState(this.element.attr('id'), true) || this._getTabIdFromTabIndex(0);
// Select the appropriate tab for this tab widget by triggering the custom
// event specified in the .tabs() init above (you could keep track of what
// tab each widget is on using .data, and only select a tab if it has
// changed).
this.element.children(this.js_selectors.tabs_list).children(this.js_selectors.tab_header+'[data-tab-id="'+sTabId+'"]').find(this.js_selectors.tab_toggler).triggerHandler('change');
// Iterate over all truncated lists to find whether they are expanded or not
$('a.truncated').each(function () {
const sState = $.bbq.getState(this.id, true) || 'close';
if (sState === 'open') {
$(this).trigger('open');
} else {
$(this).trigger('close');
}
});
},
// - Define our own click handler for the tabs, overriding the default.
_onTabTogglerClick: function (oTabHeaderElem) {
if ($.bbq) {
let oState = {};
// Get the id of this tab widget.
const sId = this.element.attr('id');
// Get the index of this tab.
const sTabId = oTabHeaderElem.closest(this.js_selectors.tab_header).attr('data-tab-id');
// Set the state!
oState[sId] = sTabId;
$.bbq.pushState(oState);
}
},
// - Forward click event to real tab toggler
_onExtraTabTogglerClick: function (oExtraTabTogglerElem, oEvent) {
// Prevent anchor default behaviour
oEvent.preventDefault();
// Trigger click event on real tab toggler (the hidden one)
const sTargetTabId = oExtraTabTogglerElem.attr('href').replace(/#/, '');
this.element.find(this.js_selectors.tab_header+'[data-tab-id="'+sTargetTabId+'"] '+this.js_selectors.tab_toggler).trigger('click');
},
// - Toggle extra tabs list
_onExtraTabsListTogglerClick: function(oElem, oEvent)
{
// Prevent anchor default behaviour
oEvent.preventDefault();
// TODO 3.0.0: Should/could we use a popover menu instead here?
this.element.find(this.js_selectors.extra_tabs_list).toggleClass(this.css_classes.is_hidden);
},
_onBodyClick: function(oEvent)
{
// Close extra tabs list if opened
if($(oEvent.target.closest(this.js_selectors.extra_tabs_container)).length === 0)
{
this.element.find(this.js_selectors.extra_tabs_list).addClass(this.css_classes.is_hidden);
}
},
// Helpers
/**
* Update tab header display based on its visibility to the user
*
* @param oTabHeaderElem {Object} jQuery element
* @param bIsVisible {boolean|null} If null, visibility will be computed automatically. Not that performance might not be great so it's preferable to pass the value when known
* @private
*/
_updateTabHeaderDisplay(oTabHeaderElem, bIsVisible = null)
{
const sTabId = oTabHeaderElem.attr('data-tab-id');
const oMatchingExtraTabElem = this.element.find(this.js_selectors.extra_tab_toggler+'[href="#'+sTabId+'"]');
// Manually check if the tab header is visible if the info isn't passed
if (bIsVisible === null) {
bIsVisible = CombodoGlobalToolbox.IsElementVisibleToTheUser(oTabHeaderElem[0], true, 2);
}
// Hide/show the corresponding extra tab element
if (bIsVisible) {
oMatchingExtraTabElem.addClass(this.css_classes.is_hidden);
} else {
oMatchingExtraTabElem.removeClass(this.css_classes.is_hidden);
}
},
// - Update extra tabs list
_updateExtraTabsList: function () {
const iVisibleExtraTabsCount = this.element.find(this.js_selectors.extra_tab_toggler+':not(.'+this.css_classes.is_hidden+')').length;
const oExtraTabsContainerElem = this.element.find(this.js_selectors.extra_tabs_container);
if (iVisibleExtraTabsCount > 0) {
oExtraTabsContainerElem.removeClass(this.css_classes.is_hidden);
} else {
oExtraTabsContainerElem.addClass(this.css_classes.is_hidden);
}
},
// - Get tab's "data-tab-id" from tab's index
/**
* @param iIdx {number} Index (starting from 0) of the tab in the container
* @return {string} The [data-tab-id] of the iIdx-th tab (zero based). Can return undefined if it has not [data-tab-id] attribute
* @private
*/
_getTabIdFromTabIndex(iIdx) {
return this.element.children(this.js_selectors.tabs_list).children(this.js_selectors.tab_header).eq(iIdx).attr('data-tab-id');
},
/**
* @param sId {string} The [data-tab-id] of the tab
* @return {number} The index (zero based) of the tab. If no matching tab, 0 will be returned.
* @private
*/
_getTabIndexFromTabId(sId) {
const oTabElem = this.element.children(this.js_selectors.tabs_list).children(this.js_selectors.tab_header+'[data-tab-id="'+sId+'"]');
return oTabElem.length === 0 ? 0 : oTabElem.prevAll().length;
}
});
});