+ 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
+ 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(/\.(.+)$/);
+ if (fileNameMatches) {
+ ext = fileNameMatches[1];
+ }
+ }
+
+ // Insert image into markdown
+ let id = "image-" + Math.random().toString(16).slice(2);
+ let selectStart = input[0].selectionStart;
+ let selectEnd = input[0].selectionEnd;
+ let content = input[0].value;
+ let selectText = content.substring(selectStart, selectEnd);
+ let placeholderImage = window.baseUrl(`/loading.gif#upload${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) {
+ var result = JSON.parse(xhr.responseText);
+ input[0].value = input[0].value.replace(placeholderImage, result.thumbs.display);
+ 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);
+ }
+
+ }
+ }
+ }]);
+
+ /**
+ * 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();
+ });
+
+ 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) {
+ let text = suggestionElems[active].textContent;
+ currentInput[0].value = text;
+ 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++) {
+ var 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) {
+ let text = this.textContent;
+ currentInput[0].value = text;
+ 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;
+ });
+ }
+