48 lines
1.8 KiB
JavaScript
48 lines
1.8 KiB
JavaScript
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var STYLISH_DUMP_FILE_EXT = ".txt";
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var STYLISH_DEFAULT_SAVE_NAME = "stylus-mm-dd-yyy" + STYLISH_DUMP_FILE_EXT;
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function saveAsFile(text, fileName, dialog) {
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fileName = fileName || STYLISH_DEFAULT_SAVE_NAME;
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dialog = typeof dialog === "boolean" ? dialog : true;
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return new Promise(function(resolve){
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var fileContent = 'data:text/plain;charset=utf-8,' + encodeURIComponent(text);
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chrome.downloads.download({filename: fileName, saveAs: true, url: fileContent}, resolve)
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});
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}
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/**
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* !!works only when page has representation - backgound page won't work
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*
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* opens open file dialog,
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* gets selected file,
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* gets it's path,
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* gets content of it by ajax
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*/
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function loadFromFile(formatToFilter){
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return new Promise(function(resolve){
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var fileInput = document.createElement('input');
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fileInput.style = "display: none;";
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fileInput.type = "file";
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fileInput.accept = formatToFilter || STYLISH_DUMP_FILE_EXT;
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fileInput.acceptCharset = "utf8";
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document.body.appendChild(fileInput);
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fileInput.initialValue = fileInput.value;
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fileInput.addEventListener('change', changeHandler);
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function changeHandler(){
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if (fileInput.value != fileInput.initialValue){
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var fReader = new FileReader();
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fReader.readAsDataURL(fileInput.files[0]);
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fReader.onloadend = function(event){
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fileInput.removeEventListener('change', changeHandler);
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fileInput.remove();
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var b64text = event.target.result.split(",")[1],
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rawText = atob(b64text);
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resolve(rawText);
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}
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}
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}
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fileInput.click();
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});
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}
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