Extend jQuery with customized show/hide/toggle #22884
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,78 @@ | ||
| import $ from 'jquery'; | ||
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| window.$ = window.jQuery = $; | ||
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| // to remove the calls to "getComputedStyle", it requires that there is no element with "display: none" in its own CSS classes | ||
| // for example: `.popup { display: none; ... } <div class="popup">` should be rewritten to `.popup { ... } <div class="popup gt-hidden">` | ||
| function getComputedStyleProperty(el, prop) { | ||
| const cs = el ? window.getComputedStyle(el) : null; | ||
| return cs ? cs[prop] : null; | ||
| } | ||
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| const defaultDisplayMap = {}; | ||
| function getDefaultDisplay(el) { | ||
| let display = defaultDisplayMap[el.nodeName]; | ||
| if (display) return display; | ||
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| const temp = el.ownerDocument.body.appendChild(el.ownerDocument.createElement(el.nodeName)); | ||
| display = getComputedStyleProperty(el, 'display'); | ||
| temp.parentNode.removeChild(temp); | ||
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| display = display === 'none' ? 'block' : display; | ||
| defaultDisplayMap[el.nodeName] = display; | ||
| return display; | ||
| } | ||
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| function showHide(elements, show) { | ||
| for (const el of elements) { | ||
| if (!el || !el.classList) continue; | ||
| if (show) { | ||
| // at the moment, there are various hiding-methods in Gitea | ||
| // in the future, after they are all refactored by "gt-hidden" class, we can remove all others | ||
| el.removeAttribute('hidden'); | ||
| el.classList.remove('hide', 'gt-hidden'); | ||
| if (el.style.display === 'none') el.style.removeProperty('display'); | ||
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| if (getComputedStyleProperty(el, 'display') === 'none') { | ||
| // after removing all "hidden" related classes/attributes, if the element is still hidden, | ||
| // maybe it already has another class with "display: none", so we need to set the "display: xxx" to its style | ||
| el.style.display = getDefaultDisplay(el); | ||
| } | ||
| } else { | ||
| el.classList.add('gt-hidden'); | ||
| } | ||
| } | ||
| return elements; | ||
| } | ||
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| function warnDeprecated(_fn) { | ||
| if (!window.config?.runModeIsProd) { | ||
| // TODO: not sure whether it is really necessary to deprecated these methods now | ||
| // It seems better to introduce Gitea's own helper methods to replace jQuery, instead of adding/removing the class again and again | ||
| // console.warn(`jQuery.${fn}() is deprecated`); | ||
| } | ||
| } | ||
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| window.jQuery.fn.extend({ | ||
| show () { | ||
| warnDeprecated('show'); | ||
| return showHide(this, true); | ||
| }, | ||
| hide () { | ||
| warnDeprecated('hide'); | ||
| return showHide(this, false); | ||
| }, | ||
| toggle (state) { | ||
| warnDeprecated('toggle'); | ||
| if (typeof state === 'boolean') { | ||
| return showHide(this, state); | ||
| } | ||
| return this.each(function () { | ||
| if (getComputedStyleProperty(this, 'display') === 'none') { | ||
| $(this).show(); | ||
| } else { | ||
| $(this).hide(); | ||
| } | ||
| }); | ||
| } | ||
| }); | ||
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