403 lines
16 KiB
JavaScript
403 lines
16 KiB
JavaScript
/*
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* jHtmlArea 0.7.0 - WYSIWYG Html Editor jQuery Plugin
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* Copyright (c) 2009 Chris Pietschmann
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* http://jhtmlarea.codeplex.com
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* Licensed under the Microsoft Reciprocal License (Ms-RL)
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* http://jhtmlarea.codeplex.com/license
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*/
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(function($) {
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$.fn.htmlarea = function(opts) {
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if (opts && typeof (opts) === "string") {
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var args = [];
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for (var i = 1; i < arguments.length; i++) { args.push(arguments[i]); }
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var htmlarea = jHtmlArea(this[0]);
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var f = htmlarea[opts];
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if (f) { return f.apply(htmlarea, args); }
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}
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return this.each(function() { jHtmlArea(this, opts); });
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};
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var jHtmlArea = window.jHtmlArea = function(elem, options) {
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if (elem.jquery) {
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return jHtmlArea(elem[0]);
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}
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if (elem.jhtmlareaObject) {
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return elem.jhtmlareaObject;
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} else {
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return new jHtmlArea.fn.init(elem, options);
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}
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};
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jHtmlArea.fn = jHtmlArea.prototype = {
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// The current version of jHtmlArea being used
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jhtmlarea: "0.7.0",
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init: function(elem, options) {
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if (elem.nodeName.toLowerCase() === "textarea") {
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var opts = $.extend({}, jHtmlArea.defaultOptions, options);
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elem.jhtmlareaObject = this;
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var textarea = this.textarea = $(elem);
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var container = this.container = $("<div/>").addClass("jHtmlArea").width(textarea.width()).insertAfter(textarea);
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var toolbar = this.toolbar = $("<div/>").addClass("ToolBar").appendTo(container);
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priv.initToolBar.call(this, opts);
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var iframe = this.iframe = $("<iframe/>").height(textarea.height());
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iframe.width(textarea.width() - ($.browser.msie ? 0 : 4));
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var htmlarea = this.htmlarea = $("<div/>").append(iframe);
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container.append(htmlarea).append(textarea.hide());
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priv.initEditor.call(this, opts);
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priv.attachEditorEvents.call(this);
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// Fix total height to match TextArea
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iframe.height(iframe.height() - toolbar.height());
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toolbar.width(textarea.width() - 2);
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if (opts.loaded) { opts.loaded.call(this); }
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}
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},
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dispose: function() {
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this.textarea.show().insertAfter(this.container);
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this.container.remove();
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this.textarea[0].jhtmlareaObject = null;
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},
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execCommand: function(a, b, c) {
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this.iframe[0].contentWindow.focus();
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this.editor.execCommand(a, b || false, c || null);
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this.updateTextArea();
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},
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ec: function(a, b, c) {
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this.execCommand(a, b, c);
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},
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queryCommandValue: function(a) {
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this.iframe[0].contentWindow.focus();
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return this.editor.queryCommandValue(a);
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},
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qc: function(a) {
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return this.queryCommandValue(a);
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},
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getSelectedHTML: function() {
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if ($.browser.msie) {
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return this.getRange().htmlText;
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} else {
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var elem = this.getRange().cloneContents();
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return $("<p/>").append($(elem)).html();
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}
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},
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getSelection: function() {
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if ($.browser.msie) {
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//return (this.editor.parentWindow.getSelection) ? this.editor.parentWindow.getSelection() : this.editor.selection;
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return this.editor.selection;
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} else {
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return this.iframe[0].contentDocument.defaultView.getSelection();
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}
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},
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getRange: function() {
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var s = this.getSelection();
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if (!s) { return null; }
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//return (s.rangeCount > 0) ? s.getRangeAt(0) : s.createRange();
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return (s.getRangeAt) ? s.getRangeAt(0) : s.createRange();
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},
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html: function(v) {
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if (v) {
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this.pastHTML(v);
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} else {
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return toHtmlString();
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}
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},
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pasteHTML: function(html) {
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this.iframe[0].contentWindow.focus();
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var r = this.getRange();
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if ($.browser.msie) {
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r.pasteHTML(html);
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} else if ($.browser.mozilla) {
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r.deleteContents();
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r.insertNode($((html.indexOf("<") != 0) ? $("<span/>").append(html) : html)[0]);
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} else { // Safari
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r.deleteContents();
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r.insertNode($(this.iframe[0].contentWindow.document.createElement("span")).append($((html.indexOf("<") != 0) ? "<span>" + html + "</span>" : html))[0]);
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}
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r.collapse(false);
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r.select();
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},
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cut: function() {
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this.ec("cut");
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},
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copy: function() {
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this.ec("copy");
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},
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paste: function() {
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this.ec("paste");
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},
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bold: function() { this.ec("bold"); },
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italic: function() { this.ec("italic"); },
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underline: function() { this.ec("underline"); },
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strikeThrough: function() { this.ec("strikethrough"); },
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image: function(url) {
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if ($.browser.msie && !url) {
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this.ec("insertImage", true);
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} else {
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this.ec("insertImage", false, (url || prompt("Image URL:", "http://")));
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}
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},
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removeFormat: function() {
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this.ec("removeFormat", false, []);
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this.unlink();
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},
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link: function() {
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if ($.browser.msie) {
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this.ec("createLink", true);
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} else {
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this.ec("createLink", false, prompt("Link URL:", "http://"));
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}
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},
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unlink: function() { this.ec("unlink", false, []); },
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orderedList: function() { this.ec("insertorderedlist"); },
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unorderedList: function() { this.ec("insertunorderedlist"); },
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superscript: function() { this.ec("superscript"); },
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subscript: function() { this.ec("subscript"); },
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p: function() {
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this.formatBlock("<p>");
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},
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h1: function() {
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this.heading(1);
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},
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h2: function() {
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this.heading(2);
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},
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h3: function() {
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this.heading(3);
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},
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h4: function() {
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this.heading(4);
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},
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h5: function() {
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this.heading(5);
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},
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h6: function() {
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this.heading(6);
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},
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heading: function(h) {
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this.formatBlock($.browser.msie ? "Heading " + h : "h" + h);
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},
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indent: function() {
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this.ec("indent");
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},
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outdent: function() {
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this.ec("outdent");
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},
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insertHorizontalRule: function() {
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this.ec("insertHorizontalRule", false, "ht");
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},
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justifyLeft: function() {
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this.ec("justifyLeft");
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},
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justifyCenter: function() {
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this.ec("justifyCenter");
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},
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justifyRight: function() {
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this.ec("justifyRight");
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},
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increaseFontSize: function() {
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if ($.browser.msie) {
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this.ec("fontSize", false, this.qc("fontSize") + 1);
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} else if ($.browser.safari) {
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this.getRange().surroundContents($(this.iframe[0].contentWindow.document.createElement("span")).css("font-size", "larger")[0]);
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} else {
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this.ec("increaseFontSize", false, "big");
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}
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},
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decreaseFontSize: function() {
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if ($.browser.msie) {
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this.ec("fontSize", false, this.qc("fontSize") - 1);
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} else if ($.browser.safari) {
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this.getRange().surroundContents($(this.iframe[0].contentWindow.document.createElement("span")).css("font-size", "smaller")[0]);
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} else {
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this.ec("decreaseFontSize", false, "small");
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}
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},
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forecolor: function(c) {
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this.ec("foreColor", false, c || prompt("Enter HTML Color:", "#"));
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},
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formatBlock: function(v) {
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this.ec("formatblock", false, v || null);
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},
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showHTMLView: function() {
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this.updateTextArea();
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this.textarea.show();
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this.htmlarea.hide();
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$("ul li:not(li:has(a.html))", this.toolbar).hide();
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$("ul:not(:has(:visible))", this.toolbar).hide();
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$("ul li a.html", this.toolbar).addClass("highlighted");
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},
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hideHTMLView: function() {
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this.updateHtmlArea();
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this.textarea.hide();
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this.htmlarea.show();
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$("ul", this.toolbar).show();
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$("ul li", this.toolbar).show().find("a.html").removeClass("highlighted");
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},
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toggleHTMLView: function() {
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(this.textarea.is(":hidden")) ? this.showHTMLView() : this.hideHTMLView();
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},
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toHtmlString: function() {
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return this.editor.body.innerHTML;
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},
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toString: function() {
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return this.editor.body.innerText;
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},
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updateTextArea: function() {
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this.textarea.val(this.toHtmlString());
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},
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updateHtmlArea: function() {
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this.editor.body.innerHTML = this.textarea.val();
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}
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};
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jHtmlArea.fn.init.prototype = jHtmlArea.fn;
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jHtmlArea.defaultOptions = {
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toolbar: [
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["html"], ["bold", "italic", "underline", "strikethrough", "|", "subscript", "superscript"],
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["increasefontsize", "decreasefontsize"],
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["orderedlist", "unorderedlist"],
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["indent", "outdent"],
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["justifyleft", "justifycenter", "justifyright"],
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["link", "unlink", "image", "horizontalrule"],
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["p", "h1", "h2", "h3", "h4", "h5", "h6"],
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["cut", "copy", "paste"]
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],
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css: null,
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toolbarText: {
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bold: "Bold", italic: "Italic", underline: "Underline", strikethrough: "Strike-Through",
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cut: "Cut", copy: "Copy", paste: "Paste",
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h1: "Heading 1", h2: "Heading 2", h3: "Heading 3", h4: "Heading 4", h5: "Heading 5", h6: "Heading 6", p: "Paragraph",
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indent: "Indent", outdent: "Outdent", horizontalrule: "Insert Horizontal Rule",
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justifyleft: "Left Justify", justifycenter: "Center Justify", justifyright: "Right Justify",
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increasefontsize: "Increase Font Size", decreasefontsize: "Decrease Font Size", forecolor: "Text Color",
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link: "Insert Link", unlink: "Remove Link", image: "Insert Image",
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orderedlist: "Insert Ordered List", unorderedlist: "Insert Unordered List",
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subscript: "Subscript", superscript: "Superscript",
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html: "Show/Hide HTML Source View"
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}
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};
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var priv = {
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toolbarButtons: {
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strikethrough: "strikeThrough", orderedlist: "orderedList", unorderedlist: "unorderedList",
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horizontalrule: "insertHorizontalRule",
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justifyleft: "justifyLeft", justifycenter: "justifyCenter", justifyright: "justifyRight",
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increasefontsize: "increaseFontSize", decreasefontsize: "decreaseFontSize",
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html: function(btn) {
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this.toggleHTMLView();
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}
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},
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initEditor: function(options) {
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var edit = this.editor = this.iframe[0].contentWindow.document;
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edit.designMode = 'on';
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edit.open();
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edit.write(this.textarea.val());
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edit.close();
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if (options.css) {
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var e = edit.createElement('link'); e.rel = 'stylesheet'; e.type = 'text/css'; e.href = options.css; edit.getElementsByTagName('head')[0].appendChild(e);
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}
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},
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initToolBar: function(options) {
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var that = this;
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var menuItem = function(className, altText, action) {
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return $("<li/>").append($("<a href='javascript:void(0);'/>").addClass(className).attr("title", altText).click(function() { action.call(that, $(this)); }));
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};
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function addButtons(arr) {
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var ul = $("<ul/>").appendTo(that.toolbar);
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for (var i = 0; i < arr.length; i++) {
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var e = arr[i];
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if ((typeof (e)).toLowerCase() === "string") {
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if (e === "|") {
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ul.append($('<li class="separator"/>'));
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} else {
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var f = (function(e) {
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// If button name exists in priv.toolbarButtons then call the "method" defined there, otherwise call the method with the same name
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var m = priv.toolbarButtons[e] || e;
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if ((typeof (m)).toLowerCase() === "function") {
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return function(btn) { m.call(this, btn); };
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} else {
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return function() { this[m](); this.editor.body.focus(); };
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}
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})(e.toLowerCase());
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var t = options.toolbarText[e.toLowerCase()];
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ul.append(menuItem(e.toLowerCase(), t || e, f));
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}
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} else {
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ul.append(menuItem(e.css, e.text, e.action));
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}
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}
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};
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if (options.toolbar.length !== 0 && priv.isArray(options.toolbar[0])) {
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for (var i = 0; i < options.toolbar.length; i++) {
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addButtons(options.toolbar[i]);
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}
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} else {
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addButtons(options.toolbar);
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}
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},
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attachEditorEvents: function() {
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var t = this;
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var fnHA = function() {
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t.updateHtmlArea();
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};
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this.textarea.click(fnHA).
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keyup(fnHA).
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keydown(fnHA).
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mousedown(fnHA).
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blur(fnHA);
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var fnTA = function() {
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t.updateTextArea();
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};
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$(this.editor.body).click(fnTA).
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keyup(fnTA).
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keydown(fnTA).
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mousedown(fnTA).
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blur(fnTA);
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$('form').submit(function() { t.toggleHTMLView(); t.toggleHTMLView(); });
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//$(this.textarea[0].form).submit(function() { //this.textarea.closest("form").submit(function() {
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// Fix for ASP.NET Postback Model
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if (window.__doPostBack) {
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var old__doPostBack = __doPostBack;
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window.__doPostBack = function() {
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if (t) {
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if (t.toggleHTMLView) {
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t.toggleHTMLView();
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t.toggleHTMLView();
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}
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}
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return old__doPostBack.apply(window, arguments);
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};
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}
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},
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isArray: function(v) {
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return v && typeof v === 'object' && typeof v.length === 'number' && typeof v.splice === 'function' && !(v.propertyIsEnumerable('length'));
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}
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};
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})(jQuery); |