gramps/data/jhtmlarea/scripts/jHtmlArea-0.7.0.js
2013-08-29 12:23:58 +00:00

403 lines
16 KiB
JavaScript

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