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Added image paste and drop to markdown editor

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Only currently tested in chrome.
Closes #128
This commit is contained in:
Dan Brown 2016-09-02 21:18:48 +01:00
parent 781f0e7887
commit 63c6d3478d
No known key found for this signature in database
GPG Key ID: 46D9F943C24A2EF9
2 changed files with 82 additions and 3 deletions
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77
resources/assets/js/directives.js
View File

@ -370,6 +370,83 @@ module.exports = function (ngApp, events) {
});
});
// Upload and insert image on paste
function editorPaste(e) {
e = e.originalEvent;
if (!e.clipboardData) return
var items = e.clipboardData.items;
if (!items) return;
for (var i = 0; i < items.length; i++) {
uploadImage(items[i].getAsFile());
}
}
input.on('paste', editorPaste);
// Handle image drop, Uploads images to BookStack.
function handleImageDrop(event) {
event.stopPropagation();
event.preventDefault();
let files = event.originalEvent.dataTransfer.files;
for (let i = 0; i < files.length; i++) {
uploadImage(files[i]);
}
}
input.on('drop', handleImageDrop);
// Handle image upload and add image into markdown content
function uploadImage(file) {
if (file.type.indexOf('image') !== 0) return;
var formData = new FormData();
var ext = 'png';
var xhr = new XMLHttpRequest();
if (file.name) {
var fileNameMatches = file.name.match(/\.(.+)$/);
if (fileNameMatches) {
ext = fileNameMatches[1];
}
}
// Insert image into markdown
let id = "image-" + Math.random().toString(16).slice(2);
let selectStart = input[0].selectionStart;
let selectEnd = input[0].selectionEnd;
let content = input[0].value;
let selectText = content.substring(selectStart, selectEnd);
let placeholderImage = `/loading.gif#upload${id}`;
let innerContent = ((selectEnd > selectStart) ? `![${selectText}]` : '![]') + `(${placeholderImage})`;
input[0].value = content.substring(0, selectStart) + innerContent + content.substring(selectEnd);
input.focus();
input[0].selectionStart = selectStart;
input[0].selectionEnd = selectStart;
let remoteFilename = "image-" + Date.now() + "." + ext;
formData.append('file', file, remoteFilename);
formData.append('_token', document.querySelector('meta[name="token"]').getAttribute('content'));
xhr.open('POST', window.baseUrl('/images/gallery/upload'));
xhr.onload = function () {
let selectStart = input[0].selectionStart;
if (xhr.status === 200 || xhr.status === 201) {
var result = JSON.parse(xhr.responseText);
input[0].value = input[0].value.replace(placeholderImage, result.url);
input.change();
} else {
console.log('An error occurred uploading the image');
console.log(xhr.responseText);
input[0].value = input[0].value.replace(innerContent, '');
input.change();
}
input.focus();
input[0].selectionStart = selectStart;
input[0].selectionEnd = selectStart;
};
xhr.send(formData);
}
}
}
}]);

8
resources/assets/js/pages/page-form.js
View File

@ -1,6 +1,6 @@
"use strict";
function editorPaste(e) {
function editorPaste(e, editor) {
if (!e.clipboardData) return
var items = e.clipboardData.items;
if (!items) return;
@ -32,7 +32,7 @@ function editorPaste(e) {
var result = JSON.parse(xhr.responseText);
editor.dom.setAttrib(id, 'src', result.url);
} else {
console.log('An error occured uploading the image');
console.log('An error occurred uploading the image');
console.log(xhr.responseText);
editor.dom.remove(id);
}
@ -181,6 +181,8 @@ var mceOptions = module.exports = {
});
// Paste image-uploads
editor.on('paste', editorPaste);
editor.on('paste', function(event) {
editorPaste(event, editor);
});
}
};