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import lists from '../core/lists';
export default class Clipboard {
constructor(context) {
this.context = context;
this.$editable = context.layoutInfo.editable;
}
initialize() {
this.$editable.on('paste', this.pasteByEvent.bind(this));
}
/**
* paste by clipboard event
*
* @param {Event} event
*/
pasteByEvent(event) {
const clipboardData = event.originalEvent.clipboardData;
if (clipboardData && clipboardData.items && clipboardData.items.length) {
const item = clipboardData.items.length > 1 ? clipboardData.items[1] : lists.head(clipboardData.items);
if (item.kind === 'file' && item.type.indexOf('image/') !== -1) {
// paste img file
this.context.invoke('editor.insertImagesOrCallback', [item.getAsFile()]);
event.preventDefault();
} else if (item.kind === 'string') {
// paste text with maxTextLength check
if (this.context.invoke('editor.isLimited', clipboardData.getData('Text').length)) {
event.preventDefault();
}
}
} else if (window.clipboardData) {
// for IE
let text = window.clipboardData.getData('text');
if (this.context.invoke('editor.isLimited', text.length)) {
event.preventDefault();
}
}
// Call editor.afterCommand after proceeding default event handler
setTimeout(() => {
this.context.invoke('editor.afterCommand');
}, 10);
}
}