mirror of
https://github.com/BookStackApp/BookStack.git
synced 2024-11-24 19:55:02 +08:00
799 lines
32 KiB
JavaScript
799 lines
32 KiB
JavaScript
"use strict";
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const DropZone = require("dropzone");
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const MarkdownIt = require("markdown-it");
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const mdTasksLists = require('markdown-it-task-lists');
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const code = require('./code');
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module.exports = function (ngApp, events) {
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/**
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* Common tab controls using simple jQuery functions.
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*/
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ngApp.directive('tabContainer', function() {
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return {
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restrict: 'A',
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link: function (scope, element, attrs) {
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const $content = element.find('[tab-content]');
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const $buttons = element.find('[tab-button]');
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if (attrs.tabContainer) {
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let initial = attrs.tabContainer;
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$buttons.filter(`[tab-button="${initial}"]`).addClass('selected');
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$content.hide().filter(`[tab-content="${initial}"]`).show();
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} else {
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$content.hide().first().show();
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$buttons.first().addClass('selected');
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}
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$buttons.click(function() {
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let clickedTab = $(this);
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$buttons.removeClass('selected');
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$content.hide();
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let name = clickedTab.addClass('selected').attr('tab-button');
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$content.filter(`[tab-content="${name}"]`).show();
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});
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}
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};
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});
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/**
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* Sub form component to allow inner-form sections to act like their own forms.
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*/
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ngApp.directive('subForm', function() {
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return {
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restrict: 'A',
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link: function (scope, element, attrs) {
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element.on('keypress', e => {
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if (e.keyCode === 13) {
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submitEvent(e);
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}
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});
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element.find('button[type="submit"]').click(submitEvent);
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function submitEvent(e) {
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e.preventDefault();
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if (attrs.subForm) scope.$eval(attrs.subForm);
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}
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}
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};
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});
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/**
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* DropZone
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* Used for uploading images
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*/
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ngApp.directive('dropZone', [function () {
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return {
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restrict: 'E',
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template: `
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<div class="dropzone-container">
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<div class="dz-message">{{message}}</div>
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</div>
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`,
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scope: {
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uploadUrl: '@',
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eventSuccess: '=',
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eventError: '=',
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uploadedTo: '@',
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},
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link: function (scope, element, attrs) {
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scope.message = attrs.message;
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if (attrs.placeholder) element[0].querySelector('.dz-message').textContent = attrs.placeholder;
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let dropZone = new DropZone(element[0].querySelector('.dropzone-container'), {
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url: scope.uploadUrl,
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init: function () {
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let dz = this;
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dz.on('sending', function (file, xhr, data) {
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let token = window.document.querySelector('meta[name=token]').getAttribute('content');
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data.append('_token', token);
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let uploadedTo = typeof scope.uploadedTo === 'undefined' ? 0 : scope.uploadedTo;
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data.append('uploaded_to', uploadedTo);
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});
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if (typeof scope.eventSuccess !== 'undefined') dz.on('success', scope.eventSuccess);
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dz.on('success', function (file, data) {
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$(file.previewElement).fadeOut(400, function () {
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dz.removeFile(file);
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});
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});
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if (typeof scope.eventError !== 'undefined') dz.on('error', scope.eventError);
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dz.on('error', function (file, errorMessage, xhr) {
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console.log(errorMessage);
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console.log(xhr);
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function setMessage(message) {
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$(file.previewElement).find('[data-dz-errormessage]').text(message);
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}
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if (xhr.status === 413) setMessage(trans('errors.server_upload_limit'));
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if (errorMessage.file) setMessage(errorMessage.file[0]);
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});
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}
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});
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}
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};
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}]);
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/**
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* Dropdown
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* Provides some simple logic to create small dropdown menus
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*/
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ngApp.directive('dropdown', [function () {
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return {
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restrict: 'A',
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link: function (scope, element, attrs) {
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const menu = element.find('ul');
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function hide() {
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menu.hide();
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menu.removeClass('anim menuIn');
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}
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function show() {
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menu.show().addClass('anim menuIn');
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element.mouseleave(hide);
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// Focus on input if exist in dropdown and hide on enter press
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let inputs = menu.find('input');
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if (inputs.length > 0) inputs.first().focus();
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}
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// Hide menu on option click
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element.on('click', '> ul a', hide);
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// Show dropdown on toggle click.
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element.find('[dropdown-toggle]').on('click', show);
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// Hide menu on enter press in inputs
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element.on('keypress', 'input', event => {
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if (event.keyCode !== 13) return true;
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event.preventDefault();
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hide();
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return false;
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});
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}
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};
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}]);
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/**
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* TinyMCE
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* An angular wrapper around the tinyMCE editor.
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*/
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ngApp.directive('tinymce', ['$timeout', function ($timeout) {
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return {
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restrict: 'A',
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scope: {
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tinymce: '=',
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mceModel: '=',
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mceChange: '='
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},
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link: function (scope, element, attrs) {
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function tinyMceSetup(editor) {
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editor.on('ExecCommand change NodeChange ObjectResized', (e) => {
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let content = editor.getContent();
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$timeout(() => {
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scope.mceModel = content;
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});
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scope.mceChange(content);
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});
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editor.on('keydown', (event) => {
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scope.$emit('editor-keydown', event);
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});
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editor.on('init', (e) => {
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scope.mceModel = editor.getContent();
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});
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scope.$on('html-update', (event, value) => {
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editor.setContent(value);
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editor.selection.select(editor.getBody(), true);
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editor.selection.collapse(false);
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scope.mceModel = editor.getContent();
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});
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}
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scope.tinymce.extraSetups.push(tinyMceSetup);
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// Custom tinyMCE plugins
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tinymce.PluginManager.add('customhr', function (editor) {
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editor.addCommand('InsertHorizontalRule', function () {
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let hrElem = document.createElement('hr');
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let cNode = editor.selection.getNode();
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let parentNode = cNode.parentNode;
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parentNode.insertBefore(hrElem, cNode);
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});
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editor.addButton('hr', {
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icon: 'hr',
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tooltip: 'Horizontal line',
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cmd: 'InsertHorizontalRule'
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});
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editor.addMenuItem('hr', {
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icon: 'hr',
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text: 'Horizontal line',
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cmd: 'InsertHorizontalRule',
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context: 'insert'
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});
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});
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tinymce.init(scope.tinymce);
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}
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}
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}]);
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const md = new MarkdownIt({html: true});
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md.use(mdTasksLists, {label: true});
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/**
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* Markdown input
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* Handles the logic for just the editor input field.
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*/
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ngApp.directive('markdownInput', ['$timeout', function ($timeout) {
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return {
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restrict: 'A',
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scope: {
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mdModel: '=',
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mdChange: '='
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},
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link: function (scope, element, attrs) {
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// Codemirror Setup
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element = element.find('textarea').first();
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let cm = code.markdownEditor(element[0]);
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// Custom key commands
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let metaKey = code.getMetaKey();
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const extraKeys = {};
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// Insert Image shortcut
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extraKeys[`${metaKey}-Alt-I`] = function(cm) {
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let selectedText = cm.getSelection();
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let newText = ``;
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let cursorPos = cm.getCursor('from');
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cm.replaceSelection(newText);
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cm.setCursor(cursorPos.line, cursorPos.ch + newText.length -1);
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};
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// Save draft
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extraKeys[`${metaKey}-S`] = function(cm) {scope.$emit('save-draft');};
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// Show link selector
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extraKeys[`Shift-${metaKey}-K`] = function(cm) {showLinkSelector()};
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cm.setOption('extraKeys', extraKeys);
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// Update data on content change
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cm.on('change', (instance, changeObj) => {
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update(instance);
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});
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// Handle scroll to sync display view
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cm.on('scroll', instance => {
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// Thanks to http://liuhao.im/english/2015/11/10/the-sync-scroll-of-markdown-editor-in-javascript.html
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let scroll = instance.getScrollInfo();
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let atEnd = scroll.top + scroll.clientHeight === scroll.height;
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if (atEnd) {
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scope.$emit('markdown-scroll', -1);
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return;
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}
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let lineNum = instance.lineAtHeight(scroll.top, 'local');
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let range = instance.getRange({line: 0, ch: null}, {line: lineNum, ch: null});
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let parser = new DOMParser();
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let doc = parser.parseFromString(md.render(range), 'text/html');
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let totalLines = doc.documentElement.querySelectorAll('body > *');
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scope.$emit('markdown-scroll', totalLines.length);
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});
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// Handle image paste
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cm.on('paste', (cm, event) => {
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if (!event.clipboardData || !event.clipboardData.items) return;
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for (let i = 0; i < event.clipboardData.items.length; i++) {
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uploadImage(event.clipboardData.items[i].getAsFile());
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}
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});
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// Handle images on drag-drop
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cm.on('drop', (cm, event) => {
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event.stopPropagation();
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event.preventDefault();
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let cursorPos = cm.coordsChar({left: event.pageX, top: event.pageY});
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cm.setCursor(cursorPos);
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if (!event.dataTransfer || !event.dataTransfer.files) return;
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for (let i = 0; i < event.dataTransfer.files.length; i++) {
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uploadImage(event.dataTransfer.files[i]);
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}
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});
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// Helper to replace editor content
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function replaceContent(search, replace) {
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let text = cm.getValue();
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let cursor = cm.listSelections();
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cm.setValue(text.replace(search, replace));
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cm.setSelections(cursor);
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}
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// Handle image upload and add image into markdown content
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function uploadImage(file) {
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if (file === null || file.type.indexOf('image') !== 0) return;
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let ext = 'png';
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if (file.name) {
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let fileNameMatches = file.name.match(/\.(.+)$/);
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if (fileNameMatches.length > 1) ext = fileNameMatches[1];
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}
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// Insert image into markdown
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let id = "image-" + Math.random().toString(16).slice(2);
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let placeholderImage = window.baseUrl(`/loading.gif#upload${id}`);
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let selectedText = cm.getSelection();
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let placeHolderText = ``;
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cm.replaceSelection(placeHolderText);
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let remoteFilename = "image-" + Date.now() + "." + ext;
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let formData = new FormData();
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formData.append('file', file, remoteFilename);
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window.$http.post('/images/gallery/upload', formData).then(resp => {
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replaceContent(placeholderImage, resp.data.thumbs.display);
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}).catch(err => {
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events.emit('error', trans('errors.image_upload_error'));
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replaceContent(placeHolderText, selectedText);
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console.log(err);
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});
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}
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// Show the popup link selector and insert a link when finished
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function showLinkSelector() {
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let cursorPos = cm.getCursor('from');
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window.showEntityLinkSelector(entity => {
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let selectedText = cm.getSelection() || entity.name;
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let newText = `[${selectedText}](${entity.link})`;
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cm.focus();
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cm.replaceSelection(newText);
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cm.setCursor(cursorPos.line, cursorPos.ch + newText.length);
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});
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}
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// Show the image manager and handle image insertion
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function showImageManager() {
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let cursorPos = cm.getCursor('from');
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window.ImageManager.showExternal(image => {
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let selectedText = cm.getSelection();
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let newText = "![" + (selectedText || image.name) + "](" + image.thumbs.display + ")";
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cm.focus();
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cm.replaceSelection(newText);
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cm.setCursor(cursorPos.line, cursorPos.ch + newText.length);
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});
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}
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// Update the data models and rendered output
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function update(instance) {
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let content = instance.getValue();
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element.val(content);
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$timeout(() => {
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scope.mdModel = content;
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scope.mdChange(md.render(content));
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});
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}
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update(cm);
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// Listen to commands from parent scope
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scope.$on('md-insert-link', showLinkSelector);
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scope.$on('md-insert-image', showImageManager);
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scope.$on('markdown-update', (event, value) => {
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cm.setValue(value);
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element.val(value);
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scope.mdModel = value;
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scope.mdChange(md.render(value));
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});
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}
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}
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}]);
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/**
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* Markdown Editor
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* Handles all functionality of the markdown editor.
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*/
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ngApp.directive('markdownEditor', ['$timeout', '$rootScope', function ($timeout, $rootScope) {
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return {
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restrict: 'A',
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link: function (scope, element, attrs) {
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// Editor Elements
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const $display = element.find('.markdown-display').first();
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const $insertImage = element.find('button[data-action="insertImage"]');
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const $insertEntityLink = element.find('button[data-action="insertEntityLink"]');
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// Prevent markdown display link click redirect
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$display.on('click', 'a', function(event) {
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event.preventDefault();
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window.open(this.getAttribute('href'));
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});
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// Editor UI Actions
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$insertEntityLink.click(e => {scope.$broadcast('md-insert-link');});
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$insertImage.click(e => {scope.$broadcast('md-insert-image');});
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// Handle scroll sync event from editor scroll
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$rootScope.$on('markdown-scroll', (event, lineCount) => {
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let elems = $display[0].children[0].children;
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if (elems.length > lineCount) {
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let topElem = (lineCount === -1) ? elems[elems.length-1] : elems[lineCount];
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$display.animate({
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scrollTop: topElem.offsetTop
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}, {queue: false, duration: 200, easing: 'linear'});
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}
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});
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}
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}
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}]);
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/**
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* Page Editor Toolbox
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* Controls all functionality for the sliding toolbox
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* on the page edit view.
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*/
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ngApp.directive('toolbox', [function () {
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return {
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restrict: 'A',
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link: function (scope, elem, attrs) {
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// Get common elements
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const $buttons = elem.find('[toolbox-tab-button]');
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const $content = elem.find('[toolbox-tab-content]');
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const $toggle = elem.find('[toolbox-toggle]');
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// Handle toolbox toggle click
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$toggle.click((e) => {
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elem.toggleClass('open');
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});
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// Set an active tab/content by name
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function setActive(tabName, openToolbox) {
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$buttons.removeClass('active');
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$content.hide();
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$buttons.filter(`[toolbox-tab-button="${tabName}"]`).addClass('active');
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$content.filter(`[toolbox-tab-content="${tabName}"]`).show();
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if (openToolbox) elem.addClass('open');
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}
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// Set the first tab content active on load
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setActive($content.first().attr('toolbox-tab-content'), false);
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// Handle tab button click
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$buttons.click(function (e) {
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let name = $(this).attr('toolbox-tab-button');
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setActive(name, true);
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});
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}
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}
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}]);
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/**
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* Tag Autosuggestions
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* Listens to child inputs and provides autosuggestions depending on field type
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* and input. Suggestions provided by server.
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*/
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ngApp.directive('tagAutosuggestions', ['$http', function ($http) {
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return {
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restrict: 'A',
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link: function (scope, elem, attrs) {
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// Local storage for quick caching.
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const localCache = {};
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// Create suggestion element
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const suggestionBox = document.createElement('ul');
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suggestionBox.className = 'suggestion-box';
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suggestionBox.style.position = 'absolute';
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suggestionBox.style.display = 'none';
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const $suggestionBox = $(suggestionBox);
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// General state tracking
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let isShowing = false;
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let currentInput = false;
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let active = 0;
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// Listen to input events on autosuggest fields
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elem.on('input focus', '[autosuggest]', function (event) {
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let $input = $(this);
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let val = $input.val();
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let url = $input.attr('autosuggest');
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let type = $input.attr('autosuggest-type');
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// Add name param to request if for a value
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if (type.toLowerCase() === 'value') {
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let $nameInput = $input.closest('tr').find('[autosuggest-type="name"]').first();
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let nameVal = $nameInput.val();
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if (nameVal !== '') {
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url += '?name=' + encodeURIComponent(nameVal);
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}
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}
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let suggestionPromise = getSuggestions(val.slice(0, 3), url);
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suggestionPromise.then(suggestions => {
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if (val.length === 0) {
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displaySuggestions($input, suggestions.slice(0, 6));
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} else {
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suggestions = suggestions.filter(item => {
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return item.toLowerCase().indexOf(val.toLowerCase()) !== -1;
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}).slice(0, 4);
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displaySuggestions($input, suggestions);
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}
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});
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});
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// Hide autosuggestions when input loses focus.
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// Slight delay to allow clicks.
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let lastFocusTime = 0;
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elem.on('blur', '[autosuggest]', function (event) {
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let startTime = Date.now();
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setTimeout(() => {
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if (lastFocusTime < startTime) {
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$suggestionBox.hide();
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isShowing = false;
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}
|
|
}, 200)
|
|
});
|
|
elem.on('focus', '[autosuggest]', function (event) {
|
|
lastFocusTime = Date.now();
|
|
});
|
|
|
|
elem.on('keydown', '[autosuggest]', function (event) {
|
|
if (!isShowing) return;
|
|
|
|
let suggestionElems = suggestionBox.childNodes;
|
|
let suggestCount = suggestionElems.length;
|
|
|
|
// Down arrow
|
|
if (event.keyCode === 40) {
|
|
let newActive = (active === suggestCount - 1) ? 0 : active + 1;
|
|
changeActiveTo(newActive, suggestionElems);
|
|
}
|
|
// Up arrow
|
|
else if (event.keyCode === 38) {
|
|
let newActive = (active === 0) ? suggestCount - 1 : active - 1;
|
|
changeActiveTo(newActive, suggestionElems);
|
|
}
|
|
// Enter or tab key
|
|
else if ((event.keyCode === 13 || event.keyCode === 9) && !event.shiftKey) {
|
|
currentInput[0].value = suggestionElems[active].textContent;
|
|
currentInput.focus();
|
|
$suggestionBox.hide();
|
|
isShowing = false;
|
|
if (event.keyCode === 13) {
|
|
event.preventDefault();
|
|
return false;
|
|
}
|
|
}
|
|
});
|
|
|
|
// Change the active suggestion to the given index
|
|
function changeActiveTo(index, suggestionElems) {
|
|
suggestionElems[active].className = '';
|
|
active = index;
|
|
suggestionElems[active].className = 'active';
|
|
}
|
|
|
|
// Display suggestions on a field
|
|
let prevSuggestions = [];
|
|
|
|
function displaySuggestions($input, suggestions) {
|
|
|
|
// Hide if no suggestions
|
|
if (suggestions.length === 0) {
|
|
$suggestionBox.hide();
|
|
isShowing = false;
|
|
prevSuggestions = suggestions;
|
|
return;
|
|
}
|
|
|
|
// Otherwise show and attach to input
|
|
if (!isShowing) {
|
|
$suggestionBox.show();
|
|
isShowing = true;
|
|
}
|
|
if ($input !== currentInput) {
|
|
$suggestionBox.detach();
|
|
$input.after($suggestionBox);
|
|
currentInput = $input;
|
|
}
|
|
|
|
// Return if no change
|
|
if (prevSuggestions.join() === suggestions.join()) {
|
|
prevSuggestions = suggestions;
|
|
return;
|
|
}
|
|
|
|
// Build suggestions
|
|
$suggestionBox[0].innerHTML = '';
|
|
for (let i = 0; i < suggestions.length; i++) {
|
|
let suggestion = document.createElement('li');
|
|
suggestion.textContent = suggestions[i];
|
|
suggestion.onclick = suggestionClick;
|
|
if (i === 0) {
|
|
suggestion.className = 'active';
|
|
active = 0;
|
|
}
|
|
$suggestionBox[0].appendChild(suggestion);
|
|
}
|
|
|
|
prevSuggestions = suggestions;
|
|
}
|
|
|
|
// Suggestion click event
|
|
function suggestionClick(event) {
|
|
currentInput[0].value = this.textContent;
|
|
currentInput.focus();
|
|
$suggestionBox.hide();
|
|
isShowing = false;
|
|
}
|
|
|
|
// Get suggestions & cache
|
|
function getSuggestions(input, url) {
|
|
let hasQuery = url.indexOf('?') !== -1;
|
|
let searchUrl = url + (hasQuery ? '&' : '?') + 'search=' + encodeURIComponent(input);
|
|
|
|
// Get from local cache if exists
|
|
if (typeof localCache[searchUrl] !== 'undefined') {
|
|
return new Promise((resolve, reject) => {
|
|
resolve(localCache[searchUrl]);
|
|
});
|
|
}
|
|
|
|
return $http.get(searchUrl).then(response => {
|
|
localCache[searchUrl] = response.data;
|
|
return response.data;
|
|
});
|
|
}
|
|
|
|
}
|
|
}
|
|
}]);
|
|
|
|
ngApp.directive('entityLinkSelector', [function($http) {
|
|
return {
|
|
restrict: 'A',
|
|
link: function(scope, element, attrs) {
|
|
|
|
const selectButton = element.find('.entity-link-selector-confirm');
|
|
let callback = false;
|
|
let entitySelection = null;
|
|
|
|
// Handle entity selection change, Stores the selected entity locally
|
|
function entitySelectionChange(entity) {
|
|
entitySelection = entity;
|
|
if (entity === null) {
|
|
selectButton.attr('disabled', 'true');
|
|
} else {
|
|
selectButton.removeAttr('disabled');
|
|
}
|
|
}
|
|
events.listen('entity-select-change', entitySelectionChange);
|
|
|
|
// Handle selection confirm button click
|
|
selectButton.click(event => {
|
|
hide();
|
|
if (entitySelection !== null) callback(entitySelection);
|
|
});
|
|
|
|
// Show selector interface
|
|
function show() {
|
|
element.fadeIn(240);
|
|
}
|
|
|
|
// Hide selector interface
|
|
function hide() {
|
|
element.fadeOut(240);
|
|
}
|
|
|
|
// Listen to confirmation of entity selections (doubleclick)
|
|
events.listen('entity-select-confirm', entity => {
|
|
hide();
|
|
callback(entity);
|
|
});
|
|
|
|
// Show entity selector, Accessible globally, and store the callback
|
|
window.showEntityLinkSelector = function(passedCallback) {
|
|
show();
|
|
callback = passedCallback;
|
|
};
|
|
|
|
}
|
|
};
|
|
}]);
|
|
|
|
|
|
ngApp.directive('entitySelector', ['$http', '$sce', function ($http, $sce) {
|
|
return {
|
|
restrict: 'A',
|
|
scope: true,
|
|
link: function (scope, element, attrs) {
|
|
scope.loading = true;
|
|
scope.entityResults = false;
|
|
scope.search = '';
|
|
|
|
// Add input for forms
|
|
const input = element.find('[entity-selector-input]').first();
|
|
|
|
// Detect double click events
|
|
let lastClick = 0;
|
|
function isDoubleClick() {
|
|
let now = Date.now();
|
|
let answer = now - lastClick < 300;
|
|
lastClick = now;
|
|
return answer;
|
|
}
|
|
|
|
// Listen to entity item clicks
|
|
element.on('click', '.entity-list a', function(event) {
|
|
event.preventDefault();
|
|
event.stopPropagation();
|
|
let item = $(this).closest('[data-entity-type]');
|
|
itemSelect(item, isDoubleClick());
|
|
});
|
|
element.on('click', '[data-entity-type]', function(event) {
|
|
itemSelect($(this), isDoubleClick());
|
|
});
|
|
|
|
// Select entity action
|
|
function itemSelect(item, doubleClick) {
|
|
let entityType = item.attr('data-entity-type');
|
|
let entityId = item.attr('data-entity-id');
|
|
let isSelected = !item.hasClass('selected') || doubleClick;
|
|
element.find('.selected').removeClass('selected').removeClass('primary-background');
|
|
if (isSelected) item.addClass('selected').addClass('primary-background');
|
|
let newVal = isSelected ? `${entityType}:${entityId}` : '';
|
|
input.val(newVal);
|
|
|
|
if (!isSelected) {
|
|
events.emit('entity-select-change', null);
|
|
}
|
|
|
|
if (!doubleClick && !isSelected) return;
|
|
|
|
let link = item.find('.entity-list-item-link').attr('href');
|
|
let name = item.find('.entity-list-item-name').text();
|
|
|
|
if (doubleClick) {
|
|
events.emit('entity-select-confirm', {
|
|
id: Number(entityId),
|
|
name: name,
|
|
link: link
|
|
});
|
|
}
|
|
|
|
if (isSelected) {
|
|
events.emit('entity-select-change', {
|
|
id: Number(entityId),
|
|
name: name,
|
|
link: link
|
|
});
|
|
}
|
|
}
|
|
|
|
// Get search url with correct types
|
|
function getSearchUrl() {
|
|
let types = (attrs.entityTypes) ? encodeURIComponent(attrs.entityTypes) : encodeURIComponent('page,book,chapter');
|
|
return window.baseUrl(`/ajax/search/entities?types=${types}`);
|
|
}
|
|
|
|
// Get initial contents
|
|
$http.get(getSearchUrl()).then(resp => {
|
|
scope.entityResults = $sce.trustAsHtml(resp.data);
|
|
scope.loading = false;
|
|
});
|
|
|
|
// Search when typing
|
|
scope.searchEntities = function() {
|
|
scope.loading = true;
|
|
input.val('');
|
|
let url = getSearchUrl() + '&term=' + encodeURIComponent(scope.search);
|
|
$http.get(url).then(resp => {
|
|
scope.entityResults = $sce.trustAsHtml(resp.data);
|
|
scope.loading = false;
|
|
});
|
|
};
|
|
}
|
|
};
|
|
}]);
|
|
};
|