575 lines
22 KiB
JavaScript
575 lines
22 KiB
JavaScript
"use strict";
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var DropZone = require('dropzone');
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var markdown = require('marked');
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var toggleSwitchTemplate = require('./components/toggle-switch.html');
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var imagePickerTemplate = require('./components/image-picker.html');
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var dropZoneTemplate = require('./components/drop-zone.html');
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module.exports = function (ngApp, events) {
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/**
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* Toggle Switches
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* Has basic on/off functionality.
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* Use string values of 'true' & 'false' to dictate the current state.
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*/
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ngApp.directive('toggleSwitch', function () {
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return {
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restrict: 'A',
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template: toggleSwitchTemplate,
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scope: true,
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link: function (scope, element, attrs) {
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scope.name = attrs.name;
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scope.value = attrs.value;
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scope.isActive = scope.value == true && scope.value != 'false';
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scope.value = (scope.value == true && scope.value != 'false') ? 'true' : 'false';
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scope.switch = function () {
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scope.isActive = !scope.isActive;
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scope.value = scope.isActive ? 'true' : '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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* Image Picker
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* Is a simple front-end interface that connects to an ImageManager if present.
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*/
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ngApp.directive('imagePicker', ['$http', 'imageManagerService', function ($http, imageManagerService) {
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return {
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restrict: 'E',
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template: imagePickerTemplate,
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scope: {
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name: '@',
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resizeHeight: '@',
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resizeWidth: '@',
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resizeCrop: '@',
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showRemove: '=',
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currentImage: '@',
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currentId: '@',
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defaultImage: '@',
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imageClass: '@'
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},
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link: function (scope, element, attrs) {
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var usingIds = typeof scope.currentId !== 'undefined' || scope.currentId === 'false';
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scope.image = scope.currentImage;
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scope.value = scope.currentImage || '';
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if (usingIds) scope.value = scope.currentId;
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function setImage(imageModel, imageUrl) {
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scope.image = imageUrl;
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scope.value = usingIds ? imageModel.id : imageUrl;
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}
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scope.reset = function () {
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setImage({id: 0}, scope.defaultImage);
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};
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scope.remove = function () {
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scope.image = 'none';
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scope.value = 'none';
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};
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scope.showImageManager = function () {
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imageManagerService.show((image) => {
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scope.updateImageFromModel(image);
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});
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};
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scope.updateImageFromModel = function (model) {
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var isResized = scope.resizeWidth && scope.resizeHeight;
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if (!isResized) {
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scope.$apply(() => {
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setImage(model, model.url);
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});
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return;
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}
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var cropped = scope.resizeCrop ? 'true' : 'false';
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var requestString = '/images/thumb/' + model.id + '/' + scope.resizeWidth + '/' + scope.resizeHeight + '/' + cropped;
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$http.get(requestString).then((response) => {
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setImage(model, response.data.url);
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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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* 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: dropZoneTemplate,
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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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var 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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var dz = this;
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dz.on('sending', function (file, xhr, data) {
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var token = window.document.querySelector('meta[name=token]').getAttribute('content');
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data.append('_token', token);
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var 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('The server does not allow uploads of this size. Please try a smaller file.');
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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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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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var menu = element.find('ul');
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element.find('[dropdown-toggle]').on('click', function () {
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menu.show().addClass('anim menuIn');
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element.mouseleave(function () {
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menu.hide();
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menu.removeClass('anim menuIn');
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});
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});
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}
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};
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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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var 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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var hrElem = document.createElement('hr');
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var cNode = editor.selection.getNode();
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var 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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ngApp.directive('markdownInput', ['$timeout', function ($timeout) {
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return {
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restrict: 'A',
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scope: {
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mdModel: '=',
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mdChange: '='
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},
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link: function (scope, element, attrs) {
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// Set initial model content
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var content = element.val();
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scope.mdModel = content;
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scope.mdChange(markdown(content));
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element.on('change input', (e) => {
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content = element.val();
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$timeout(() => {
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scope.mdModel = content;
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scope.mdChange(markdown(content));
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});
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});
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scope.$on('markdown-update', (event, value) => {
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element.val(value);
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scope.mdModel = value;
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scope.mdChange(markdown(value));
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});
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}
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}
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}]);
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ngApp.directive('markdownEditor', ['$timeout', function ($timeout) {
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return {
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restrict: 'A',
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link: function (scope, element, attrs) {
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// Elements
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const input = element.find('textarea[markdown-input]');
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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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let currentCaretPos = 0;
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input.blur(event => {
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currentCaretPos = input[0].selectionStart;
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});
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// Scroll sync
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let inputScrollHeight,
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inputHeight,
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displayScrollHeight,
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displayHeight;
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function setScrollHeights() {
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inputScrollHeight = input[0].scrollHeight;
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inputHeight = input.height();
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displayScrollHeight = display[0].scrollHeight;
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displayHeight = display.height();
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}
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setTimeout(() => {
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setScrollHeights();
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}, 200);
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window.addEventListener('resize', setScrollHeights);
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let scrollDebounceTime = 800;
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let lastScroll = 0;
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input.on('scroll', event => {
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let now = Date.now();
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if (now - lastScroll > scrollDebounceTime) {
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setScrollHeights()
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}
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let scrollPercent = (input.scrollTop() / (inputScrollHeight - inputHeight));
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let displayScrollY = (displayScrollHeight - displayHeight) * scrollPercent;
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display.scrollTop(displayScrollY);
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lastScroll = now;
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});
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// Editor key-presses
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input.keydown(event => {
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// Insert image shortcut
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if (event.which === 73 && event.ctrlKey && event.shiftKey) {
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event.preventDefault();
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var caretPos = input[0].selectionStart;
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var currentContent = input.val();
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var mdImageText = "";
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input.val(currentContent.substring(0, caretPos) + mdImageText + currentContent.substring(caretPos));
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input.focus();
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input[0].selectionStart = caretPos + ("![](".length);
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input[0].selectionEnd = caretPos + (';
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return;
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}
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// Pass key presses to controller via event
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scope.$emit('editor-keydown', event);
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});
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// Insert image from image manager
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insertImage.click(event => {
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window.ImageManager.showExternal(image => {
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var caretPos = currentCaretPos;
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var currentContent = input.val();
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var mdImageText = "![" + image.name + "](" + image.url + ")";
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input.val(currentContent.substring(0, caretPos) + mdImageText + currentContent.substring(caretPos));
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input.change();
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});
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});
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}
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}
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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('[tab-button]');
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const $content = elem.find('[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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$buttons.filter(`[tab-button="${tabName}"]`).addClass('active');
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$content.filter(`[tab-content="${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($content.first().attr('tab-content'), false);
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// Handle tab button click
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$buttons.click(function (e) {
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let name = $(this).attr('tab-button');
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setActive(name, true);
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});
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}
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}
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}]);
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ngApp.directive('tagAutosuggestions', ['$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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}
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}, 200)
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});
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elem.on('focus', '[autosuggest]', function (event) {
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lastFocusTime = Date.now();
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});
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elem.on('keydown', '[autosuggest]', function (event) {
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if (!isShowing) return;
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let suggestionElems = suggestionBox.childNodes;
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let suggestCount = suggestionElems.length;
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// Down arrow
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if (event.keyCode === 40) {
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let newActive = (active === suggestCount - 1) ? 0 : active + 1;
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changeActiveTo(newActive, suggestionElems);
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}
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// Up arrow
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else if (event.keyCode === 38) {
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let newActive = (active === 0) ? suggestCount - 1 : active - 1;
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changeActiveTo(newActive, suggestionElems);
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}
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// Enter or tab key
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else if (event.keyCode === 13 || event.keyCode === 9) {
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let text = suggestionElems[active].textContent;
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currentInput[0].value = text;
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currentInput.focus();
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$suggestionBox.hide();
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isShowing = false;
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if (event.keyCode === 13) {
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event.preventDefault();
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return false;
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}
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}
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});
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// Change the active suggestion to the given index
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function changeActiveTo(index, suggestionElems) {
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suggestionElems[active].className = '';
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active = index;
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suggestionElems[active].className = 'active';
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}
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// Display suggestions on a field
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let prevSuggestions = [];
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function displaySuggestions($input, suggestions) {
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// Hide if no suggestions
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if (suggestions.length === 0) {
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$suggestionBox.hide();
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isShowing = false;
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prevSuggestions = suggestions;
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return;
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}
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// Otherwise show and attach to input
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if (!isShowing) {
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$suggestionBox.show();
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isShowing = true;
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}
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if ($input !== currentInput) {
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$suggestionBox.detach();
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$input.after($suggestionBox);
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currentInput = $input;
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}
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// Return if no change
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if (prevSuggestions.join() === suggestions.join()) {
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prevSuggestions = suggestions;
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return;
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}
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// Build suggestions
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$suggestionBox[0].innerHTML = '';
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for (let i = 0; i < suggestions.length; i++) {
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var suggestion = document.createElement('li');
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suggestion.textContent = suggestions[i];
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suggestion.onclick = suggestionClick;
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if (i === 0) {
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suggestion.className = 'active'
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active = 0;
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}
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;
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$suggestionBox[0].appendChild(suggestion);
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}
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prevSuggestions = suggestions;
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}
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// Suggestion click event
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function suggestionClick(event) {
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let text = this.textContent;
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currentInput[0].value = text;
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currentInput.focus();
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$suggestionBox.hide();
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isShowing = false;
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};
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// Get suggestions & cache
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function getSuggestions(input, url) {
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let hasQuery = url.indexOf('?') !== -1;
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let searchUrl = url + (hasQuery ? '&' : '?') + 'search=' + encodeURIComponent(input);
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// Get from local cache if exists
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if (typeof localCache[searchUrl] !== 'undefined') {
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return new Promise((resolve, reject) => {
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resolve(localCache[searchUrl]);
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});
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}
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return $http.get(searchUrl).then(response => {
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localCache[searchUrl] = response.data;
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return response.data;
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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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