BookStack/resources/assets/js/directives.js
Dan Brown 7215392784 Changed when revisions are saved and update changelog input
Revisions are now saved when te page content is originally saved whereas before they were saved on the next update to the page.
2016-07-10 12:12:52 +01:00

673 lines
25 KiB
JavaScript

"use strict";
var DropZone = require('dropzone');
var markdown = require('marked');
var toggleSwitchTemplate = require('./components/toggle-switch.html');
var imagePickerTemplate = require('./components/image-picker.html');
var dropZoneTemplate = require('./components/drop-zone.html');
module.exports = function (ngApp, events) {
/**
* Toggle Switches
* Has basic on/off functionality.
* Use string values of 'true' & 'false' to dictate the current state.
*/
ngApp.directive('toggleSwitch', function () {
return {
restrict: 'A',
template: toggleSwitchTemplate,
scope: true,
link: function (scope, element, attrs) {
scope.name = attrs.name;
scope.value = attrs.value;
scope.isActive = scope.value == true && scope.value != 'false';
scope.value = (scope.value == true && scope.value != 'false') ? 'true' : 'false';
scope.switch = function () {
scope.isActive = !scope.isActive;
scope.value = scope.isActive ? 'true' : 'false';
}
}
};
});
/**
* Image Picker
* Is a simple front-end interface that connects to an ImageManager if present.
*/
ngApp.directive('imagePicker', ['$http', 'imageManagerService', function ($http, imageManagerService) {
return {
restrict: 'E',
template: imagePickerTemplate,
scope: {
name: '@',
resizeHeight: '@',
resizeWidth: '@',
resizeCrop: '@',
showRemove: '=',
currentImage: '@',
currentId: '@',
defaultImage: '@',
imageClass: '@'
},
link: function (scope, element, attrs) {
var usingIds = typeof scope.currentId !== 'undefined' || scope.currentId === 'false';
scope.image = scope.currentImage;
scope.value = scope.currentImage || '';
if (usingIds) scope.value = scope.currentId;
function setImage(imageModel, imageUrl) {
scope.image = imageUrl;
scope.value = usingIds ? imageModel.id : imageUrl;
}
scope.reset = function () {
setImage({id: 0}, scope.defaultImage);
};
scope.remove = function () {
scope.image = 'none';
scope.value = 'none';
};
scope.showImageManager = function () {
imageManagerService.show((image) => {
scope.updateImageFromModel(image);
});
};
scope.updateImageFromModel = function (model) {
var isResized = scope.resizeWidth && scope.resizeHeight;
if (!isResized) {
scope.$apply(() => {
setImage(model, model.url);
});
return;
}
var cropped = scope.resizeCrop ? 'true' : 'false';
var requestString = '/images/thumb/' + model.id + '/' + scope.resizeWidth + '/' + scope.resizeHeight + '/' + cropped;
$http.get(requestString).then((response) => {
setImage(model, response.data.url);
});
};
}
};
}]);
/**
* DropZone
* Used for uploading images
*/
ngApp.directive('dropZone', [function () {
return {
restrict: 'E',
template: dropZoneTemplate,
scope: {
uploadUrl: '@',
eventSuccess: '=',
eventError: '=',
uploadedTo: '@'
},
link: function (scope, element, attrs) {
var dropZone = new DropZone(element[0].querySelector('.dropzone-container'), {
url: scope.uploadUrl,
init: function () {
var dz = this;
dz.on('sending', function (file, xhr, data) {
var token = window.document.querySelector('meta[name=token]').getAttribute('content');
data.append('_token', token);
var uploadedTo = typeof scope.uploadedTo === 'undefined' ? 0 : scope.uploadedTo;
data.append('uploaded_to', uploadedTo);
});
if (typeof scope.eventSuccess !== 'undefined') dz.on('success', scope.eventSuccess);
dz.on('success', function (file, data) {
$(file.previewElement).fadeOut(400, function () {
dz.removeFile(file);
});
});
if (typeof scope.eventError !== 'undefined') dz.on('error', scope.eventError);
dz.on('error', function (file, errorMessage, xhr) {
console.log(errorMessage);
console.log(xhr);
function setMessage(message) {
$(file.previewElement).find('[data-dz-errormessage]').text(message);
}
if (xhr.status === 413) setMessage('The server does not allow uploads of this size. Please try a smaller file.');
if (errorMessage.file) setMessage(errorMessage.file[0]);
});
}
});
}
};
}]);
/**
* Dropdown
* Provides some simple logic to create small dropdown menus
*/
ngApp.directive('dropdown', [function () {
return {
restrict: 'A',
link: function (scope, element, attrs) {
const menu = element.find('ul');
element.find('[dropdown-toggle]').on('click', function () {
menu.show().addClass('anim menuIn');
let inputs = menu.find('input');
let hasInput = inputs.length > 0;
if (hasInput) {
inputs.first().focus();
element.on('keypress', 'input', event => {
if (event.keyCode === 13) {
event.preventDefault();
menu.hide();
menu.removeClass('anim menuIn');
return false;
}
});
}
element.mouseleave(function () {
menu.hide();
menu.removeClass('anim menuIn');
});
});
}
};
}]);
/**
* TinyMCE
* An angular wrapper around the tinyMCE editor.
*/
ngApp.directive('tinymce', ['$timeout', function ($timeout) {
return {
restrict: 'A',
scope: {
tinymce: '=',
mceModel: '=',
mceChange: '='
},
link: function (scope, element, attrs) {
function tinyMceSetup(editor) {
editor.on('ExecCommand change NodeChange ObjectResized', (e) => {
var content = editor.getContent();
$timeout(() => {
scope.mceModel = content;
});
scope.mceChange(content);
});
editor.on('keydown', (event) => {
scope.$emit('editor-keydown', event);
});
editor.on('init', (e) => {
scope.mceModel = editor.getContent();
});
scope.$on('html-update', (event, value) => {
editor.setContent(value);
editor.selection.select(editor.getBody(), true);
editor.selection.collapse(false);
scope.mceModel = editor.getContent();
});
}
scope.tinymce.extraSetups.push(tinyMceSetup);
// Custom tinyMCE plugins
tinymce.PluginManager.add('customhr', function (editor) {
editor.addCommand('InsertHorizontalRule', function () {
var hrElem = document.createElement('hr');
var cNode = editor.selection.getNode();
var parentNode = cNode.parentNode;
parentNode.insertBefore(hrElem, cNode);
});
editor.addButton('hr', {
icon: 'hr',
tooltip: 'Horizontal line',
cmd: 'InsertHorizontalRule'
});
editor.addMenuItem('hr', {
icon: 'hr',
text: 'Horizontal line',
cmd: 'InsertHorizontalRule',
context: 'insert'
});
});
tinymce.init(scope.tinymce);
}
}
}]);
/**
* Markdown input
* Handles the logic for just the editor input field.
*/
ngApp.directive('markdownInput', ['$timeout', function ($timeout) {
return {
restrict: 'A',
scope: {
mdModel: '=',
mdChange: '='
},
link: function (scope, element, attrs) {
// Set initial model content
var content = element.val();
scope.mdModel = content;
scope.mdChange(markdown(content));
element.on('change input', (e) => {
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('textarea[markdown-input]');
const display = element.find('.markdown-display').first();
const insertImage = element.find('button[data-action="insertImage"]');
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();
var caretPos = input[0].selectionStart;
var currentContent = input.val();
var mdImageText = "![](http://)";
input.val(currentContent.substring(0, caretPos) + mdImageText + currentContent.substring(caretPos));
input.focus();
input[0].selectionStart = caretPos + ("![](".length);
input[0].selectionEnd = caretPos + ('![](http://'.length);
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 => {
var caretPos = currentCaretPos;
var currentContent = input.val();
var mdImageText = "![" + image.name + "](" + image.url + ")";
input.val(currentContent.substring(0, caretPos) + mdImageText + currentContent.substring(caretPos));
input.change();
});
});
}
}
}]);
/**
* 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('[tab-button]');
const $content = elem.find('[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();
$buttons.filter(`[tab-button="${tabName}"]`).addClass('active');
$content.filter(`[tab-content="${tabName}"]`).show();
if (openToolbox) elem.addClass('open');
}
// Set the first tab content active on load
setActive($content.first().attr('tab-content'), false);
// Handle tab button click
$buttons.click(function (e) {
let name = $(this).attr('tab-button');
setActive(name, true);
});
}
}
}]);
/**
* Tag Autosuggestions
* Listens to child inputs and provides autosuggestions depending on field type
* and input. Suggestions provided by server.
*/
ngApp.directive('tagAutosuggestions', ['$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 $http.get(searchUrl).then(response => {
localCache[searchUrl] = response.data;
return response.data;
});
}
}
}
}]);
ngApp.directive('entitySelector', ['$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();
// Listen to entity item clicks
element.on('click', '.entity-list a', function(event) {
event.preventDefault();
event.stopPropagation();
let item = $(this).closest('[data-entity-type]');
itemSelect(item);
});
element.on('click', '[data-entity-type]', function(event) {
itemSelect($(this));
});
// Select entity action
function itemSelect(item) {
let entityType = item.attr('data-entity-type');
let entityId = item.attr('data-entity-id');
let isSelected = !item.hasClass('selected');
element.find('.selected').removeClass('selected').removeClass('primary-background');
if (isSelected) item.addClass('selected').addClass('primary-background');
let newVal = isSelected ? `${entityType}:${entityId}` : '';
input.val(newVal);
}
// Get search url with correct types
function getSearchUrl() {
let types = (attrs.entityTypes) ? encodeURIComponent(attrs.entityTypes) : encodeURIComponent('page,book,chapter');
return `/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;
});
};
}
};
}]);
};