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@@ -26,50 +26,99 @@
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var mainDoc = document;
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var importDoc = document.currentScript.ownerDocument;
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- var proto = Object.create(HTMLDivElement.prototype);
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- proto.loadSvg = function (src, callback) {
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- var isLocal = window.location.protocol === 'file:';
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- var httpRequest = new XMLHttpRequest();
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+ var svgCache = {};
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+
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+ function loadSvgCached(src) {
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+ if (src === undefined || src === null || src === "") {
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+ return Promise.resolve(null);
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+ } else if (svgCache[src]) {
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+ return svgCache[src];
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+ } else {
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+ var promise = loadSvg(src);
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+ svgCache[src] = promise;
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+ return promise;
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+ }
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+ }
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+ function loadSvg(src) {
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+ console.log("Loading " + src);
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+ return new Promise(function(resolve, reject) {
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- httpRequest.onreadystatechange = function () {
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- if (httpRequest.readyState === 4) {
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+ var httpRequest = new XMLHttpRequest();
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- if (httpRequest.status === 404 || httpRequest.responseXML === null) {
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- throw new Error("Error loading SVG");
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- }
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+ httpRequest.onreadystatechange = function () {
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+ if (httpRequest.readyState === 4) {
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+
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+ if (httpRequest.status === 404 || httpRequest.responseXML === null) {
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+ reject(Error("Error loading SVG from " + src));
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+ }
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- if (httpRequest.status === 200 || (isLocal && httpRequest.status === 0)) {
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- if (httpRequest.responseXML instanceof Document) {
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- callback(httpRequest.responseXML.children[0]);
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+ if (httpRequest.status === 200) {
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+ if (httpRequest.responseXML instanceof Document) {
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+ var svg = httpRequest.responseXML.children[0];
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+ cleanSvg(svg);
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+ resolve(svg);
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+ }
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}
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}
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}
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+
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+ httpRequest.open('GET', src);
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+ if (httpRequest.overrideMimeType) httpRequest.overrideMimeType('text/xml');
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+ httpRequest.send();
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+ });
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+ }
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+ function cleanSvg(svg) {
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+ // Remove all whitespace
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+ for (var i = 0; i < svg.childNodes.length; ++i) {
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+ var child = svg.childNodes[i];
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+ if (child.nodeName == "#text") {
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+ svg.removeChild(child);
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+ }
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+ }
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+
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+ // Keep only the last path
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+ while (svg.childNodes.length > 1) {
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+ svg.removeChild(svg.firstChild);
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}
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- httpRequest.open('GET', src);
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- if (httpRequest.overrideMimeType) httpRequest.overrideMimeType('text/xml');
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- httpRequest.send();
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+ // Remove the fill of the remaining paths
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+ var path = svg.firstChild;
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+ if (path) {
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+ path.style.fill = "";
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+ }
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+
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+ return svg;
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+ }
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+
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+
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+ var proto = Object.create(HTMLDivElement.prototype);
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+ proto.setSvg = function (svg) {
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+ var root = this.shadowRoot;
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+ var container = root.getElementById("icon-container");
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+
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+ // Remove the previous SVG
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+ while (container.firstChild) {
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+ container.removeChild(container.firstChild);
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+ }
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+
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+ // Replace it with the new one
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+ if (svg !== null) {
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+ container.appendChild(svg.cloneNode(true));
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+ }
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}
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Object.defineProperty(proto, "src", {
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get: function() {
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return "";
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},
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set: function (value) {
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+ console.log("Property src=" + value);
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this.setAttribute('src', value);
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- var root = this.shadowRoot;
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- var container = root.getElementById("icon-container");
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- while (container.firstChild) {
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- container.removeChild(container.firstChild);
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- }
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- this.loadSvg(value, function (svg) {
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- container.appendChild(svg);
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-
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- // game-icons.net specific modifications
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- var firstPath = root.querySelector("svg path");
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- svg.removeChild(firstPath);
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- var secondPath = root.querySelector("svg path");
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- secondPath.style.fill = "";
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+ var element = this;
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+ loadSvgCached(value).then(function (svg) {
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+ element.setSvg(svg);
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+ }, function (error) {
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+ // console.log(error);
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});
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}
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});
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Robert Carnecky
il y a 10 ans
