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6 | export class ImageDrop {
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7 |
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8 | |
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12 |
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13 | constructor(quill, options = {}) {
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14 |
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15 | this.quill = quill;
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16 |
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17 | this.handleDrop = this.handleDrop.bind(this);
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18 | this.handlePaste = this.handlePaste.bind(this);
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19 |
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20 | this.quill.root.addEventListener('drop', this.handleDrop, false);
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21 | this.quill.root.addEventListener('paste', this.handlePaste, false);
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22 | }
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23 |
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24 | |
25 |
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26 |
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27 |
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28 | handleDrop(evt) {
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29 | evt.preventDefault();
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30 | if (evt.dataTransfer && evt.dataTransfer.files && evt.dataTransfer.files.length) {
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31 | if (document.caretRangeFromPoint) {
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32 | const selection = document.getSelection();
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33 | const range = document.caretRangeFromPoint(evt.clientX, evt.clientY);
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34 | if (selection && range) {
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35 | selection.setBaseAndExtent(range.startContainer, range.startOffset, range.startContainer, range.startOffset);
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36 | }
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37 | }
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38 | this.readFiles(evt.dataTransfer.files, this.insert.bind(this));
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39 | }
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40 | }
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41 |
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42 | |
43 |
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44 |
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45 |
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46 | handlePaste(evt) {
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47 | if (evt.clipboardData && evt.clipboardData.items && evt.clipboardData.items.length) {
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48 | this.readFiles(evt.clipboardData.items, dataUrl => {
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49 | const selection = this.quill.getSelection();
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50 | if (selection) {
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51 |
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52 |
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53 | }
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54 | else {
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55 |
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56 |
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57 | setTimeout(() => this.insert(dataUrl), 0);
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58 | }
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59 | });
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60 | }
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61 | }
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62 |
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63 | |
64 |
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65 |
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66 |
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67 | insert(dataUrl) {
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68 | const index = (this.quill.getSelection() || {}).index || this.quill.getLength();
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69 | this.quill.insertEmbed(index, 'image', dataUrl, 'user');
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70 | }
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71 |
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72 | |
73 |
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74 |
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75 |
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76 |
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77 | readFiles(files, callback) {
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78 |
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79 | [].forEach.call(files, file => {
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80 | if (!file.type.match(/^image\/(gif|jpe?g|a?png|svg|webp|bmp|vnd\.microsoft\.icon)/i)) {
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81 |
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82 |
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83 | return;
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84 | }
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85 |
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86 | const reader = new FileReader();
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87 | reader.onload = (evt) => {
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88 | callback(evt.target.result);
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89 | };
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90 |
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91 | const blob = file.getAsFile ? file.getAsFile() : file;
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92 | if (blob instanceof Blob) {
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93 | reader.readAsDataURL(blob);
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94 | }
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95 | });
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96 | }
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97 |
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98 | }
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