76 lines
2.3 KiB
JavaScript
76 lines
2.3 KiB
JavaScript
/**
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*
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* Loader to add ol.css, ol.js and the example-specific js file to the
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* documents.
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*
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* This loader is used for the hosted examples. It is used in place of the
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* development loader (examples/loader.js).
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*
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* ol.css, ol.js, ol-simple.js, and ol-whitespace.js are built with
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* Plovr/Closure. `build.py build` builds them. They are located in the
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* ../build/ directory, relatively to this script.
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*
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* The script should be named loader.js. So it needs to be renamed to
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* loader.js from loader_hosted_examples.js.
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*
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* Usage:
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*
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* <script src="../loader.js?id=my-demo"></script>
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*/
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(function() {
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var i, pair;
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var href = window.location.href, start, end, paramsString, pairs,
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pageParams = {};
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if (href.indexOf('?') > 0) {
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start = href.indexOf('?') + 1;
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end = href.indexOf('#') > 0 ? href.indexOf('#') : href.length;
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paramsString = href.substring(start, end);
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pairs = paramsString.split(/[&;]/);
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for (i = 0; i < pairs.length; ++i) {
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pair = pairs[i].split('=');
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if (pair[0]) {
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pageParams[decodeURIComponent(pair[0])] =
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decodeURIComponent(pair[1]);
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}
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}
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}
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var scripts = document.getElementsByTagName('script');
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var src, index, search, chunks, scriptParams = {};
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for (i = scripts.length - 1; i >= 0; --i) {
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src = scripts[i].getAttribute('src');
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if (~(index = src.indexOf('loader.js?'))) {
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search = src.substr(index + 10);
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chunks = search ? search.split('&') : [];
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for (i = chunks.length - 1; i >= 0; --i) {
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pair = chunks[i].split('=');
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if (pair[0]) {
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scriptParams[decodeURIComponent(pair[0])] =
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decodeURIComponent(pair[1]);
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}
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}
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break;
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}
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}
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var oljs = 'ol.js', mode;
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if ('mode' in pageParams) {
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mode = pageParams.mode.toLowerCase();
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if (mode != 'advanced') {
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oljs = 'ol-' + mode + '.js';
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}
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}
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document.write('<link rel="stylesheet" href="../build/ol.css" '+
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'type="text/css">');
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document.write('<scr' + 'ipt type="text/javascript" ' +
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'src="../build/' + oljs + '">' +
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'</scr' + 'ipt>');
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document.write('<scr' + 'ipt type="text/javascript" ' +
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'src="' + encodeURIComponent(scriptParams.id) + '.js">' +
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'</scr' + 'ipt>');
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}());
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