624 lines
22 KiB
JavaScript
624 lines
22 KiB
JavaScript
/*! UIkit 2.25.0 | http://www.getuikit.com | (c) 2014 YOOtheme | MIT License */
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(function(addon) {
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var component;
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if (window.UIkit) {
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component = addon(UIkit);
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}
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if (typeof define == "function" && define.amd) {
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define("uikit-htmleditor", ["uikit"], function(){
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return component || addon(UIkit);
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});
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}
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})(function(UI) {
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"use strict";
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var editors = [];
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UI.component('htmleditor', {
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defaults: {
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iframe : false,
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mode : 'split',
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markdown : false,
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autocomplete : true,
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height : 500,
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maxsplitsize : 1000,
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codemirror : { mode: 'htmlmixed', lineWrapping: true, dragDrop: false, autoCloseTags: true, matchTags: true, autoCloseBrackets: true, matchBrackets: true, indentUnit: 4, indentWithTabs: false, tabSize: 4, hintOptions: {completionSingle:false} },
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toolbar : [ 'bold', 'italic', 'strike', 'link', 'image', 'blockquote', 'listUl', 'listOl' ],
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lblPreview : 'Preview',
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lblCodeview : 'HTML',
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lblMarkedview: 'Markdown'
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},
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boot: function() {
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// init code
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UI.ready(function(context) {
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UI.$('textarea[data-uk-htmleditor]', context).each(function() {
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var editor = UI.$(this);
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if (!editor.data('htmleditor')) {
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UI.htmleditor(editor, UI.Utils.options(editor.attr('data-uk-htmleditor')));
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}
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});
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});
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},
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init: function() {
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var $this = this, tpl = UI.components.htmleditor.template;
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this.CodeMirror = this.options.CodeMirror || CodeMirror;
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this.buttons = {};
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tpl = tpl.replace(/\{:lblPreview}/g, this.options.lblPreview);
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tpl = tpl.replace(/\{:lblCodeview}/g, this.options.lblCodeview);
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this.htmleditor = UI.$(tpl);
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this.content = this.htmleditor.find('.uk-htmleditor-content');
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this.toolbar = this.htmleditor.find('.uk-htmleditor-toolbar');
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this.preview = this.htmleditor.find('.uk-htmleditor-preview').children().eq(0);
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this.code = this.htmleditor.find('.uk-htmleditor-code');
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this.element.before(this.htmleditor).appendTo(this.code);
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this.editor = this.CodeMirror.fromTextArea(this.element[0], this.options.codemirror);
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this.editor.htmleditor = this;
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this.editor.on('change', UI.Utils.debounce(function() { $this.render(); }, 150));
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this.editor.on('change', function() {
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$this.editor.save();
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$this.element.trigger('input');
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});
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this.code.find('.CodeMirror').css('height', this.options.height);
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// iframe mode?
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if (this.options.iframe) {
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this.iframe = UI.$('<iframe class="uk-htmleditor-iframe" frameborder="0" scrolling="auto" height="100" width="100%"></iframe>');
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this.preview.append(this.iframe);
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// must open and close document object to start using it!
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this.iframe[0].contentWindow.document.open();
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this.iframe[0].contentWindow.document.close();
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this.preview.container = UI.$(this.iframe[0].contentWindow.document).find('body');
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// append custom stylesheet
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if (typeof(this.options.iframe) === 'string') {
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this.preview.container.parent().append('<link rel="stylesheet" href="'+this.options.iframe+'">');
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}
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} else {
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this.preview.container = this.preview;
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}
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UI.$win.on('resize load', UI.Utils.debounce(function() { $this.fit(); }, 200));
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var previewContainer = this.iframe ? this.preview.container:$this.preview.parent(),
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codeContent = this.code.find('.CodeMirror-sizer'),
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codeScroll = this.code.find('.CodeMirror-scroll').on('scroll', UI.Utils.debounce(function() {
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if ($this.htmleditor.attr('data-mode') == 'tab') return;
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// calc position
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var codeHeight = codeContent.height() - codeScroll.height(),
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previewHeight = previewContainer[0].scrollHeight - ($this.iframe ? $this.iframe.height() : previewContainer.height()),
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ratio = previewHeight / codeHeight,
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previewPosition = codeScroll.scrollTop() * ratio;
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// apply new scroll
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previewContainer.scrollTop(previewPosition);
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}, 10));
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this.htmleditor.on('click', '.uk-htmleditor-button-code, .uk-htmleditor-button-preview', function(e) {
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e.preventDefault();
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if ($this.htmleditor.attr('data-mode') == 'tab') {
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$this.htmleditor.find('.uk-htmleditor-button-code, .uk-htmleditor-button-preview').removeClass('uk-active').filter(this).addClass('uk-active');
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$this.activetab = UI.$(this).hasClass('uk-htmleditor-button-code') ? 'code' : 'preview';
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$this.htmleditor.attr('data-active-tab', $this.activetab);
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$this.editor.refresh();
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}
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});
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// toolbar actions
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this.htmleditor.on('click', 'a[data-htmleditor-button]', function() {
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if (!$this.code.is(':visible')) return;
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$this.trigger('action.' + UI.$(this).data('htmleditor-button'), [$this.editor]);
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});
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this.preview.parent().css('height', this.code.height());
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// autocomplete
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if (this.options.autocomplete && this.CodeMirror.showHint && this.CodeMirror.hint && this.CodeMirror.hint.html) {
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this.editor.on('inputRead', UI.Utils.debounce(function() {
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var doc = $this.editor.getDoc(), POS = doc.getCursor(), mode = $this.CodeMirror.innerMode($this.editor.getMode(), $this.editor.getTokenAt(POS).state).mode.name;
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if (mode == 'xml') { //html depends on xml
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var cur = $this.editor.getCursor(), token = $this.editor.getTokenAt(cur);
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if (token.string.charAt(0) == '<' || token.type == 'attribute') {
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$this.CodeMirror.showHint($this.editor, $this.CodeMirror.hint.html, { completeSingle: false });
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}
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}
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}, 100));
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}
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this.debouncedRedraw = UI.Utils.debounce(function () { $this.redraw(); }, 5);
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this.on('init.uk.component', function() {
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$this.debouncedRedraw();
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});
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this.element.attr('data-uk-check-display', 1).on('display.uk.check', function(e) {
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if (this.htmleditor.is(":visible")) this.fit();
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}.bind(this));
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editors.push(this);
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},
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addButton: function(name, button) {
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this.buttons[name] = button;
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},
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addButtons: function(buttons) {
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UI.$.extend(this.buttons, buttons);
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},
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replaceInPreview: function(regexp, callback) {
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var editor = this.editor, results = [], value = editor.getValue(), offset = -1, index = 0;
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this.currentvalue = this.currentvalue.replace(regexp, function() {
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offset = value.indexOf(arguments[0], ++offset);
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var match = {
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matches: arguments,
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from : translateOffset(offset),
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to : translateOffset(offset + arguments[0].length),
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replace: function(value) {
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editor.replaceRange(value, match.from, match.to);
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},
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inRange: function(cursor) {
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if (cursor.line === match.from.line && cursor.line === match.to.line) {
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return cursor.ch >= match.from.ch && cursor.ch < match.to.ch;
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}
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return (cursor.line === match.from.line && cursor.ch >= match.from.ch) ||
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(cursor.line > match.from.line && cursor.line < match.to.line) ||
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(cursor.line === match.to.line && cursor.ch < match.to.ch);
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}
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};
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var result = callback(match, index);
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if (!result) {
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return arguments[0];
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}
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index++;
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results.push(match);
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return result;
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});
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function translateOffset(offset) {
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var result = editor.getValue().substring(0, offset).split('\n');
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return { line: result.length - 1, ch: result[result.length - 1].length }
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}
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return results;
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},
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_buildtoolbar: function() {
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if (!(this.options.toolbar && this.options.toolbar.length)) return;
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var $this = this, bar = [];
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this.toolbar.empty();
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this.options.toolbar.forEach(function(button) {
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if (!$this.buttons[button]) return;
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var title = $this.buttons[button].title ? $this.buttons[button].title : button;
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bar.push('<li><a data-htmleditor-button="'+button+'" title="'+title+'" data-uk-tooltip>'+$this.buttons[button].label+'</a></li>');
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});
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this.toolbar.html(bar.join('\n'));
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},
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fit: function() {
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var mode = this.options.mode;
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if (mode == 'split' && this.htmleditor.width() < this.options.maxsplitsize) {
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mode = 'tab';
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}
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if (mode == 'tab') {
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if (!this.activetab) {
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this.activetab = 'code';
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this.htmleditor.attr('data-active-tab', this.activetab);
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}
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this.htmleditor.find('.uk-htmleditor-button-code, .uk-htmleditor-button-preview').removeClass('uk-active')
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.filter(this.activetab == 'code' ? '.uk-htmleditor-button-code' : '.uk-htmleditor-button-preview')
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.addClass('uk-active');
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}
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this.editor.refresh();
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this.preview.parent().css('height', this.code.height());
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this.htmleditor.attr('data-mode', mode);
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},
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redraw: function() {
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this._buildtoolbar();
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this.render();
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this.fit();
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},
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getMode: function() {
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return this.editor.getOption('mode');
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},
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getCursorMode: function() {
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var param = { mode: 'html'};
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this.trigger('cursorMode', [param]);
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return param.mode;
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},
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render: function() {
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this.currentvalue = this.editor.getValue();
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// empty code
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if (!this.currentvalue) {
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this.element.val('');
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this.preview.container.html('');
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return;
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}
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this.trigger('render', [this]);
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this.trigger('renderLate', [this]);
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this.preview.container.html(this.currentvalue);
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},
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addShortcut: function(name, callback) {
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var map = {};
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if (!UI.$.isArray(name)) {
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name = [name];
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}
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name.forEach(function(key) {
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map[key] = callback;
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});
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this.editor.addKeyMap(map);
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return map;
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},
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addShortcutAction: function(action, shortcuts) {
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var editor = this;
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this.addShortcut(shortcuts, function() {
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editor.element.trigger('action.' + action, [editor.editor]);
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});
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},
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replaceSelection: function(replace) {
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var text = this.editor.getSelection();
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if (!text.length) {
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var cur = this.editor.getCursor(),
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curLine = this.editor.getLine(cur.line),
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start = cur.ch,
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end = start;
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while (end < curLine.length && /[\w$]+/.test(curLine.charAt(end))) ++end;
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while (start && /[\w$]+/.test(curLine.charAt(start - 1))) --start;
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var curWord = start != end && curLine.slice(start, end);
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if (curWord) {
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this.editor.setSelection({ line: cur.line, ch: start}, { line: cur.line, ch: end });
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text = curWord;
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}
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}
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var html = replace.replace('$1', text);
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this.editor.replaceSelection(html, 'end');
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this.editor.focus();
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},
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replaceLine: function(replace) {
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var pos = this.editor.getDoc().getCursor(),
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text = this.editor.getLine(pos.line),
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html = replace.replace('$1', text);
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this.editor.replaceRange(html , { line: pos.line, ch: 0 }, { line: pos.line, ch: text.length });
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this.editor.setCursor({ line: pos.line, ch: html.length });
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this.editor.focus();
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},
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save: function() {
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this.editor.save();
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}
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});
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UI.components.htmleditor.template = [
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'<div class="uk-htmleditor uk-clearfix" data-mode="split">',
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'<div class="uk-htmleditor-navbar">',
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'<ul class="uk-htmleditor-navbar-nav uk-htmleditor-toolbar"></ul>',
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'<div class="uk-htmleditor-navbar-flip">',
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'<ul class="uk-htmleditor-navbar-nav">',
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'<li class="uk-htmleditor-button-code"><a>{:lblCodeview}</a></li>',
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'<li class="uk-htmleditor-button-preview"><a>{:lblPreview}</a></li>',
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'<li><a data-htmleditor-button="fullscreen"><i class="uk-icon-expand"></i></a></li>',
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'</ul>',
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'</div>',
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'</div>',
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'<div class="uk-htmleditor-content">',
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'<div class="uk-htmleditor-code"></div>',
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'<div class="uk-htmleditor-preview"><div></div></div>',
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'</div>',
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'</div>'
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].join('');
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UI.plugin('htmleditor', 'base', {
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init: function(editor) {
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editor.addButtons({
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fullscreen: {
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title : 'Fullscreen',
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label : '<i class="uk-icon-expand"></i>'
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},
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bold : {
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title : 'Bold',
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label : '<i class="uk-icon-bold"></i>'
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},
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italic : {
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title : 'Italic',
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label : '<i class="uk-icon-italic"></i>'
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},
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strike : {
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title : 'Strikethrough',
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label : '<i class="uk-icon-strikethrough"></i>'
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},
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blockquote : {
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title : 'Blockquote',
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label : '<i class="uk-icon-quote-right"></i>'
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},
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link : {
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title : 'Link',
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label : '<i class="uk-icon-link"></i>'
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},
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image : {
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title : 'Image',
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label : '<i class="uk-icon-picture-o"></i>'
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},
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listUl : {
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title : 'Unordered List',
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label : '<i class="uk-icon-list-ul"></i>'
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},
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listOl : {
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title : 'Ordered List',
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label : '<i class="uk-icon-list-ol"></i>'
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}
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});
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addAction('bold', '<strong>$1</strong>');
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addAction('italic', '<em>$1</em>');
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addAction('strike', '<del>$1</del>');
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addAction('blockquote', '<blockquote><p>$1</p></blockquote>', 'replaceLine');
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addAction('link', '<a href="http://">$1</a>');
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addAction('image', '<img src="http://" alt="$1">');
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var listfn = function() {
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if (editor.getCursorMode() == 'html') {
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var cm = editor.editor,
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pos = cm.getDoc().getCursor(true),
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posend = cm.getDoc().getCursor(false);
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for (var i=pos.line; i<(posend.line+1);i++) {
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cm.replaceRange('<li>'+cm.getLine(i)+'</li>', { line: i, ch: 0 }, { line: i, ch: cm.getLine(i).length });
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}
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cm.setCursor({ line: posend.line, ch: cm.getLine(posend.line).length });
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cm.focus();
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}
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};
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editor.on('action.listUl', function() {
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listfn();
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});
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editor.on('action.listOl', function() {
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listfn();
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});
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editor.htmleditor.on('click', 'a[data-htmleditor-button="fullscreen"]', function() {
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editor.htmleditor.toggleClass('uk-htmleditor-fullscreen');
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var wrap = editor.editor.getWrapperElement();
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if (editor.htmleditor.hasClass('uk-htmleditor-fullscreen')) {
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editor.editor.state.fullScreenRestore = {scrollTop: window.pageYOffset, scrollLeft: window.pageXOffset, width: wrap.style.width, height: wrap.style.height};
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wrap.style.width = '';
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wrap.style.height = editor.content.height()+'px';
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document.documentElement.style.overflow = 'hidden';
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} else {
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document.documentElement.style.overflow = '';
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var info = editor.editor.state.fullScreenRestore;
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wrap.style.width = info.width; wrap.style.height = info.height;
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window.scrollTo(info.scrollLeft, info.scrollTop);
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}
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setTimeout(function() {
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editor.fit();
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UI.$win.trigger('resize');
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}, 50);
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});
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editor.addShortcut(['Ctrl-S', 'Cmd-S'], function() { editor.element.trigger('htmleditor-save', [editor]); });
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editor.addShortcutAction('bold', ['Ctrl-B', 'Cmd-B']);
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function addAction(name, replace, mode) {
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editor.on('action.'+name, function() {
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if (editor.getCursorMode() == 'html') {
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editor[mode == 'replaceLine' ? 'replaceLine' : 'replaceSelection'](replace);
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}
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});
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}
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}
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});
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UI.plugin('htmleditor', 'markdown', {
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init: function(editor) {
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var parser = editor.options.mdparser || marked || null;
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if (!parser) return;
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if (editor.options.markdown) {
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enableMarkdown();
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}
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addAction('bold', '**$1**');
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addAction('italic', '*$1*');
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addAction('strike', '~~$1~~');
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addAction('blockquote', '> $1', 'replaceLine');
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addAction('link', '[$1](http://)');
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|
addAction('image', '');
|
|
|
|
editor.on('action.listUl', function() {
|
|
|
|
if (editor.getCursorMode() == 'markdown') {
|
|
|
|
var cm = editor.editor,
|
|
pos = cm.getDoc().getCursor(true),
|
|
posend = cm.getDoc().getCursor(false);
|
|
|
|
for (var i=pos.line; i<(posend.line+1);i++) {
|
|
cm.replaceRange('* '+cm.getLine(i), { line: i, ch: 0 }, { line: i, ch: cm.getLine(i).length });
|
|
}
|
|
|
|
cm.setCursor({ line: posend.line, ch: cm.getLine(posend.line).length });
|
|
cm.focus();
|
|
}
|
|
});
|
|
|
|
editor.on('action.listOl', function() {
|
|
|
|
if (editor.getCursorMode() == 'markdown') {
|
|
|
|
var cm = editor.editor,
|
|
pos = cm.getDoc().getCursor(true),
|
|
posend = cm.getDoc().getCursor(false),
|
|
prefix = 1;
|
|
|
|
if (pos.line > 0) {
|
|
var prevline = cm.getLine(pos.line-1), matches;
|
|
|
|
if(matches = prevline.match(/^(\d+)\./)) {
|
|
prefix = Number(matches[1])+1;
|
|
}
|
|
}
|
|
|
|
for (var i=pos.line; i<(posend.line+1);i++) {
|
|
cm.replaceRange(prefix+'. '+cm.getLine(i), { line: i, ch: 0 }, { line: i, ch: cm.getLine(i).length });
|
|
prefix++;
|
|
}
|
|
|
|
cm.setCursor({ line: posend.line, ch: cm.getLine(posend.line).length });
|
|
cm.focus();
|
|
}
|
|
});
|
|
|
|
editor.on('renderLate', function() {
|
|
if (editor.editor.options.mode == 'gfm') {
|
|
editor.currentvalue = parser(editor.currentvalue);
|
|
}
|
|
});
|
|
|
|
editor.on('cursorMode', function(e, param) {
|
|
if (editor.editor.options.mode == 'gfm') {
|
|
var pos = editor.editor.getDoc().getCursor();
|
|
if (!editor.editor.getTokenAt(pos).state.base.htmlState) {
|
|
param.mode = 'markdown';
|
|
}
|
|
}
|
|
});
|
|
|
|
UI.$.extend(editor, {
|
|
|
|
enableMarkdown: function() {
|
|
enableMarkdown();
|
|
this.render();
|
|
},
|
|
disableMarkdown: function() {
|
|
this.editor.setOption('mode', 'htmlmixed');
|
|
this.htmleditor.find('.uk-htmleditor-button-code a').html(this.options.lblCodeview);
|
|
this.render();
|
|
}
|
|
|
|
});
|
|
|
|
// switch markdown mode on event
|
|
editor.on({
|
|
enableMarkdown : function() { editor.enableMarkdown(); },
|
|
disableMarkdown : function() { editor.disableMarkdown(); }
|
|
});
|
|
|
|
function enableMarkdown() {
|
|
editor.editor.setOption('mode', 'gfm');
|
|
editor.htmleditor.find('.uk-htmleditor-button-code a').html(editor.options.lblMarkedview);
|
|
}
|
|
|
|
function addAction(name, replace, mode) {
|
|
editor.on('action.'+name, function() {
|
|
if (editor.getCursorMode() == 'markdown') {
|
|
editor[mode == 'replaceLine' ? 'replaceLine' : 'replaceSelection'](replace);
|
|
}
|
|
});
|
|
}
|
|
}
|
|
});
|
|
|
|
return UI.htmleditor;
|
|
});
|