78 lines
2.5 KiB
JavaScript
78 lines
2.5 KiB
JavaScript
/* global $ */
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import Import from './Import'
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import Util from './Util'
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import Visualize from './Visualize'
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const PasteInput = {
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// thanks to https://github.com/kevva/url-regex
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URL_REGEX: new RegExp('^(?:(?:(?:[a-z]+:)?//)|www\.)(?:\S+(?::\S*)?@)?(?:localhost|(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])(?:\.(?:25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])){3}|(?:(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)(?:\.(?:[a-z\u00a1-\uffff0-9]-*)*[a-z\u00a1-\uffff0-9]+)*(?:\.(?:[a-z\u00a1-\uffff]{2,}))\.?)(?::\d{2,5})?(?:[/?#][^\s"]*)?$'),
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init: function() {
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var self = PasteInput
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// intercept dragged files
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// see http://stackoverflow.com/questions/6756583
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window.addEventListener('dragover', function(e) {
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e = e || window.event
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e.preventDefault()
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}, false)
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window.addEventListener('drop', function(e) {
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e = e || window.event
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e.preventDefault()
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var coords = Util.pixelsToCoords(Visualize.mGraph, { x: e.clientX, y: e.clientY })
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if (e.dataTransfer.files.length > 0) {
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self.handleFile(e.dataTransfer.files[0], coords)
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}
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// OMG import bookmarks 😍
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if (e.dataTransfer.items.length > 0) {
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e.dataTransfer.items[0].getAsString(function(text) {
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if (text.match(self.URL_REGEX)) {
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self.handle(text, coords)
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}
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})
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}
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}, false)
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// allow pasting onto canvas (but don't break existing inputs/textareas)
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$('body').bind('paste', function(e) {
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if (e.target.tagName === 'INPUT') return
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if (e.target.tagName === 'TEXTAREA') return
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var text = e.originalEvent.clipboardData.getData('text/plain').trim()
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self.handle(text)
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})
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},
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handleFile: (file, coords = null) => {
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var self = PasteInput
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var fileReader = new window.FileReader()
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fileReader.readAsText(file)
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fileReader.onload = function(e) {
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var text = e.currentTarget.result
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if (text.substring(0, 5) === '<?xml') {
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// assume this is a macOS .webloc link
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text = text.replace(/[\s\S]*<string>(.*)<\/string>[\s\S]*/m, '$1')
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}
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self.handle(text, coords)
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}
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},
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handle: function(text, coords = {}) {
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var self = PasteInput
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if (text.match(self.URL_REGEX)) {
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Import.handleURL(text, coords)
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} else if (text[0] === '{') {
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Import.handleJSON(text)
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} else if (text.match(/\t/)) {
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Import.handleTSV(text)
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} else {
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// just try to see if CSV works
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Import.handleCSV(text)
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}
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}
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}
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export default PasteInput
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