+ }]);
+
+ /**
+ * Markdown input
+ * Handles the logic for just the editor input field.
+ */
+ ngApp.directive('markdownInput', ['$timeout', function ($timeout) {
+ return {
+ restrict: 'A',
+ scope: {
+ mdModel: '=',
+ mdChange: '='
+ },
+ link: function (scope, element, attrs) {
+
+ // Set initial model content
+ element = element.find('textarea').first();
+ let content = element.val();
+ scope.mdModel = content;
+ scope.mdChange(markdown(content));
+
+ element.on('change input', (event) => {
+ content = element.val();
+ $timeout(() => {
+ scope.mdModel = content;
+ scope.mdChange(markdown(content));
+ });
+ });
+
+ scope.$on('markdown-update', (event, value) => {
+ element.val(value);
+ scope.mdModel = value;
+ scope.mdChange(markdown(value));
+ });
+
+ }
+ }
+ }]);
+
+ /**
+ * Markdown Editor
+ * Handles all functionality of the markdown editor.
+ */
+ ngApp.directive('markdownEditor', ['$timeout', function ($timeout) {
+ return {
+ restrict: 'A',
+ link: function (scope, element, attrs) {
+
+ // Elements
+ const $input = element.find('[markdown-input] textarea').first();
+ const $display = element.find('.markdown-display').first();
+ const $insertImage = element.find('button[data-action="insertImage"]');
+ const $insertEntityLink = element.find('button[data-action="insertEntityLink"]');
+
+ // Prevent markdown display link click redirect
+ $display.on('click', 'a', function(event) {
+ event.preventDefault();
+ window.open(this.getAttribute('href'));
+ });
+
+ let currentCaretPos = 0;
+
+ $input.blur(event => {
+ currentCaretPos = $input[0].selectionStart;
+ });
+
+ // Scroll sync
+ let inputScrollHeight,
+ inputHeight,
+ displayScrollHeight,
+ displayHeight;
+
+ function setScrollHeights() {
+ inputScrollHeight = $input[0].scrollHeight;
+ inputHeight = $input.height();
+ displayScrollHeight = $display[0].scrollHeight;
+ displayHeight = $display.height();
+ }
+
+ setTimeout(() => {
+ setScrollHeights();
+ }, 200);
+ window.addEventListener('resize', setScrollHeights);
+ let scrollDebounceTime = 800;
+ let lastScroll = 0;
+ $input.on('scroll', event => {
+ let now = Date.now();
+ if (now - lastScroll > scrollDebounceTime) {
+ setScrollHeights()
+ }
+ let scrollPercent = ($input.scrollTop() / (inputScrollHeight - inputHeight));
+ let displayScrollY = (displayScrollHeight - displayHeight) * scrollPercent;
+ $display.scrollTop(displayScrollY);
+ lastScroll = now;
+ });
+
+ // Editor key-presses
+ $input.keydown(event => {
+ // Insert image shortcut
+ if (event.which === 73 && event.ctrlKey && event.shiftKey) {
+ event.preventDefault();
+ let caretPos = $input[0].selectionStart;
+ let currentContent = $input.val();
+ const mdImageText = "";
+ $input.val(currentContent.substring(0, caretPos) + mdImageText + currentContent.substring(caretPos));
+ $input.focus();
+ $input[0].selectionStart = caretPos + (";
+ $input[0].selectionEnd = caretPos + (';
+ return;
+ }
+
+ // Insert entity link shortcut
+ if (event.which === 75 && event.ctrlKey && event.shiftKey) {
+ showLinkSelector();
+ return;
+ }
+
+ // Pass key presses to controller via event
+ scope.$emit('editor-keydown', event);
+ });
+
+ // Insert image from image manager
+ $insertImage.click(event => {
+ window.ImageManager.showExternal(image => {
+ let caretPos = currentCaretPos;
+ let currentContent = $input.val();
+ let mdImageText = "";
+ $input.val(currentContent.substring(0, caretPos) + mdImageText + currentContent.substring(caretPos));
+ $input.change();
+ });
+ });
+
+ function showLinkSelector() {
+ window.showEntityLinkSelector((entity) => {
+ let selectionStart = currentCaretPos;
+ let selectionEnd = $input[0].selectionEnd;
+ let textSelected = (selectionEnd !== selectionStart);
+ let currentContent = $input.val();
+
+ if (textSelected) {
+ let selectedText = currentContent.substring(selectionStart, selectionEnd);
+ let linkText = `[${selectedText}](${entity.link})`;
+ $input.val(currentContent.substring(0, selectionStart) + linkText + currentContent.substring(selectionEnd));
+ } else {
+ let linkText = ` [${entity.name}](${entity.link}) `;
+ $input.val(currentContent.substring(0, selectionStart) + linkText + currentContent.substring(selectionStart))
+ }
+ $input.change();
+ });
+ }
+ $insertEntityLink.click(showLinkSelector);
+
+ // Upload and insert image on paste
+ function editorPaste(e) {
+ e = e.originalEvent;
+ if (!e.clipboardData) return
+ let items = e.clipboardData.items;
+ if (!items) return;
+ for (let 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]);
+ }
+ }
+
+ $input.on('drop', handleImageDrop);
+
+ // Handle image upload and add image into markdown content
+ function uploadImage(file) {
+ if (file.type.indexOf('image') !== 0) return;
+ let formData = new FormData();
+ let ext = 'png';
+ let xhr = new XMLHttpRequest();
+
+ if (file.name) {
+ let fileNameMatches = file.name.match(/\.(.+)$/);
+ 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 = $input[0].value;
+ let selectText = content.substring(selectStart, selectEnd);
+ let placeholderImage = window.baseUrl(`/loading.gif#upload${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) {
+ let result = JSON.parse(xhr.responseText);
+ $input[0].value = $input[0].value.replace(placeholderImage, result.thumbs.display);
+ $input.change();
+ } else {
+ console.log(trans('errors.image_upload_error'));
+ 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);
+ }
+
+ }
+ }
+ }]);
+
+ /**
+ * Page Editor Toolbox
+ * Controls all functionality for the sliding toolbox
+ * on the page edit view.
+ */
+ ngApp.directive('toolbox', [function () {
+ return {
+ restrict: 'A',
+ link: function (scope, elem, attrs) {
+
+ // Get common elements
+ const $buttons = elem.find('[toolbox-tab-button]');
+ const $content = elem.find('[toolbox-tab-content]');
+ const $toggle = elem.find('[toolbox-toggle]');
+
+ // Handle toolbox toggle click
+ $toggle.click((e) => {
+ elem.toggleClass('open');
+ });
+
+ // Set an active tab/content by name
+ function setActive(tabName, openToolbox) {
+ $buttons.removeClass('active');
+ $content.hide();
+ $buttons.filter(`[toolbox-tab-button="${tabName}"]`).addClass('active');
+ $content.filter(`[toolbox-tab-content="${tabName}"]`).show();
+ if (openToolbox) elem.addClass('open');
+ }
+
+ // Set the first tab content active on load
+ setActive($content.first().attr('toolbox-tab-content'), false);
+
+ // Handle tab button click
+ $buttons.click(function (e) {
+ let name = $(this).attr('toolbox-tab-button');
+ setActive(name, true);
+ });
+ }
+ }
+ }]);
+
+ /**
+ * Tag Autosuggestions
+ * Listens to child inputs and provides autosuggestions depending on field type
+ * and input. Suggestions provided by server.
+ */
+ ngApp.directive('tagAutosuggestions', ['$http', function ($http) {
+ return {
+ restrict: 'A',
+ link: function (scope, elem, attrs) {
+
+ // Local storage for quick caching.
+ const localCache = {};
+
+ // Create suggestion element
+ const suggestionBox = document.createElement('ul');
+ suggestionBox.className = 'suggestion-box';
+ suggestionBox.style.position = 'absolute';
+ suggestionBox.style.display = 'none';
+ const $suggestionBox = $(suggestionBox);
+
+ // General state tracking
+ let isShowing = false;
+ let currentInput = false;
+ let active = 0;
+
+ // Listen to input events on autosuggest fields
+ elem.on('input focus', '[autosuggest]', function (event) {
+ let $input = $(this);
+ let val = $input.val();
+ let url = $input.attr('autosuggest');
+ let type = $input.attr('autosuggest-type');
+
+ // Add name param to request if for a value
+ if (type.toLowerCase() === 'value') {
+ let $nameInput = $input.closest('tr').find('[autosuggest-type="name"]').first();
+ let nameVal = $nameInput.val();
+ if (nameVal !== '') {
+ url += '?name=' + encodeURIComponent(nameVal);
+ }
+ }
+
+ let suggestionPromise = getSuggestions(val.slice(0, 3), url);
+ suggestionPromise.then(suggestions => {
+ if (val.length === 0) {
+ displaySuggestions($input, suggestions.slice(0, 6));
+ } else {
+ suggestions = suggestions.filter(item => {
+ return item.toLowerCase().indexOf(val.toLowerCase()) !== -1;
+ }).slice(0, 4);
+ displaySuggestions($input, suggestions);
+ }
+ });
+ });
+
+ // Hide autosuggestions when input loses focus.
+ // Slight delay to allow clicks.
+ let lastFocusTime = 0;
+ elem.on('blur', '[autosuggest]', function (event) {
+ let startTime = Date.now();
+ setTimeout(() => {
+ if (lastFocusTime < startTime) {
+ $suggestionBox.hide();
+ isShowing = false;
+ }
+ }, 200)
+ });
+ elem.on('focus', '[autosuggest]', function (event) {
+ lastFocusTime = Date.now();
+ });