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(function ($) { |
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"use strict"; |
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|
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if (!window.ElementPicker?.ElementPicker) { |
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console.warn("Element Picker has not loaded yet. Please try again in a second."); |
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return; |
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} |
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|
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const SelectorUtils = { |
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|
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isUnique(selector) { |
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try { |
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return document.querySelectorAll(selector).length === 1; |
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} catch { |
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return false; |
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} |
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}, |
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|
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/** |
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* Returns the exact selector of one element relative to its parent. |
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* Format: tag.first-class:nth-of-type(N) or #id |
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* nth-of-type is always added if there are identical tags among siblings — |
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* this ensures precise targeting on any page. |
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*/ |
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getSegment(el) { |
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// ID — the most precise and always unique |
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if (el.id) { |
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return "#" + CSS.escape(el.id); |
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} |
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|
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const parent = el.parentElement; |
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const tag = el.tagName.toLowerCase(); |
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|
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// Get the first class (the most stable identifier) |
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const rawClass = typeof el.className === "string" |
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? el.className.trim().split(/\s+/)[0] |
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: null; |
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const cls = rawClass ? "." + CSS.escape(rawClass) : ""; |
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|
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// nth-of-type is calculated by tag (CSS specification) |
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const sameTagSiblings = parent |
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? Array.from(parent.children).filter(s => s.tagName === el.tagName) |
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: [el]; |
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|
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const needsNth = sameTagSiblings.length > 1; |
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const nthIndex = sameTagSiblings.indexOf(el) + 1; |
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const nth = needsNth ? `:nth-of-type(${nthIndex})` : ""; |
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|
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return `${tag}${cls}${nth}`; |
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}, |
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|
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/** |
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* Builds the FULL path from <body> to the element. |
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* Each segment is precise — contains nth-of-type when needed. |
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* Result: guaranteed to be unique on any page. |
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*/ |
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buildFullPath(el) { |
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const segments = []; |
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let node = el; |
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|
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while (node && node !== document.documentElement) { |
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if (node === document.body) { |
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segments.unshift("body"); |
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break; |
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} |
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segments.unshift(this.getSegment(node)); |
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node = node.parentElement; |
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} |
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|
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return segments.join(" > "); |
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}, |
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|
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shortenPath(fullPath) { |
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const parts = fullPath.split(" > "); |
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const lastPart = parts[parts.length - 1]; |
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|
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//Try just the element itself |
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if (this.isUnique(lastPart)) { |
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return lastPart; |
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} |
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|
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//Try element with simplified selectors (without nth-of-type if possible) |
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const simplifiedLast = this.simplifySegment(lastPart); |
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if (simplifiedLast !== lastPart && this.isUnique(simplifiedLast)) { |
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return simplifiedLast; |
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} |
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|
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//Try adding parents one by one from bottom to top |
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for (let i = parts.length - 2; i >= 0; i--) { |
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const candidate = parts.slice(i).join(" > "); |
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if (this.isUnique(candidate)) { |
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return candidate; |
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} |
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} |
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|
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// Fallback: full path — always unique |
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return fullPath; |
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}, |
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|
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/** |
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* Simplifies a segment by removing nth-of-type if the element is unique without it |
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*/ |
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simplifySegment(segment) { |
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// Remove nth-of-type |
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return segment.replace(/:nth-of-type\(\d+\)$/, ''); |
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}, |
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}; |
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|
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/** |
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* Main function. |
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* Returns { selector, type } — a guaranteed unique selector. |
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*/ |
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function generateUniqueSelector(element) { |
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// Divi: if click inside .et_pb_ajax_pagination_container — take the container |
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const isDivi = document.body.classList.contains("wp-theme-Divi") || |
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document.body.classList.contains("theme-Divi"); |
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|
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if (isDivi) { |
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let node = element; |
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while (node && node !== document.body) { |
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if (node.classList?.contains("et_pb_ajax_pagination_container")) { |
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element = node; |
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break; |
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} |
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node = node.parentElement; |
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} |
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} |
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|
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// Fast: unique ID |
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if (element.id) { |
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const sel = "#" + CSS.escape(element.id); |
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if (SelectorUtils.isUnique(sel)) { |
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return { selector: sel, type: "id" }; |
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} |
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} |
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|
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// Build full path and shorten |
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const full = SelectorUtils.buildFullPath(element); |
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const selector = SelectorUtils.shortenPath(full); |
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|
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const type = selector.startsWith("#") ? "id" |
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: selector.includes(".") ? "class" |
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: "tag"; |
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|
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return { selector, type }; |
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} |
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|
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const UI = { |
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$infoPanel: null, |
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|
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init() { |
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this.$infoPanel = $("#wpc-choose-selector"); |
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}, |
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|
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showSelector(selectorData) { |
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$(".wpc-choose-block").hide(); |
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|
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const typeMap = { |
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id: { el: "#wpc-choose-id-css", display: "#wpc-chooses-html-id" }, |
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class: { el: "#wpc-choose-class-css", display: "#wpc-chooses-html-css" }, |
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tag: { el: "#wpc-choose-class-css", display: "#wpc-chooses-html-css" }, |
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}; |
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|
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const config = typeMap[selectorData.type]; |
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if (config) { |
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$(config.el).show(); |
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$(config.display).val(selectorData.selector); |
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} else { |
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$("#wpc-choose-empty").show(); |
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} |
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|
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this.$infoPanel.show(); |
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}, |
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|
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storeSelection(selectorData) { |
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this.$infoPanel.data("selectedElement", { |
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selector: selectorData.selector, |
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type: selectorData.type, |
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id: selectorData.type === "id" ? selectorData.selector : "", |
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className: selectorData.type !== "id" ? selectorData.selector : "", |
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}); |
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}, |
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|
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resetPanel() { |
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this.$infoPanel.hide().removeData("selectedElement"); |
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$(".wpc-choose-block").hide(); |
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}, |
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|
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getSelection() { |
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return this.$infoPanel.data("selectedElement"); |
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}, |
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|
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getSetId() { |
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return this.$infoPanel.data("setId"); |
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}, |
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}; |
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|
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function saveElementSelector(elementData, setId, $button) { |
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const elementSelector = elementData.id || elementData.className; |
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|
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$button.prop("disabled", true).text(wpcElementPickerData.saving); |
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|
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window.parent.postMessage( |
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{ type: "SELECTOR_CHOSEN", elementSelector }, |
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"*" |
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); |
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window.close(); |
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} |
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|
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function isInsideInfoPanel(element) { |
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return ( |
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element.id === "wpc-choose-selector" || |
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$(element).closest("#wpc-choose-selector").length > 0 |
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); |
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} |
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|
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function initPicker() { |
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return new window.ElementPicker.ElementPicker({ |
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picking: true, |
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|
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onClick(element, event) { |
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if (isInsideInfoPanel(element)) return; |
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|
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const selectorData = generateUniqueSelector(element); |
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UI.storeSelection(selectorData); |
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UI.showSelector(selectorData); |
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|
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event.stopPropagation(); |
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this.stopPicking(); |
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$("#wpc-choose-another-selector").show(); |
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}, |
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|
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onTargetChange(element) { |
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if (isInsideInfoPanel(element)) return; |
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|
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const selectorData = generateUniqueSelector(element); |
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UI.storeSelection(selectorData); |
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UI.showSelector(selectorData); |
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}, |
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|
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overlayDrawer() { |
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const overlay = document.createElement("div"); |
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Object.assign(overlay.style, { |
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width: "100%", |
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height: "100%", |
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background: "rgba(102, 126, 234, 0.2)", |
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border: "3px solid #667eea", |
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boxSizing: "border-box", |
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}); |
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return overlay; |
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}, |
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}); |
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} |
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|
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UI.init(); |
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initPicker(); |
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|
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$(document).on("click", "#wpc-choose-another-selector", function () { |
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$("#wpc-choose-another-selector").hide(); |
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initPicker(); |
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}); |
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|
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$(document).on("click", "#wpc-choose-save-btn", function (e) { |
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e.preventDefault(); |
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|
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const elementData = UI.getSelection(); |
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if (!elementData) { |
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alert(wpcElementPickerData.no_element_selected); |
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return; |
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} |
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|
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saveElementSelector(elementData, UI.getSetId(), $(this)); |
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}); |
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|
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})(jQuery); |
