/**

 * $Id: editor_plugin_src.js 264 2007-04-26 20:53:09Z spocke $

 *

 * @author Moxiecode

 * @copyright Copyright © 2004-2008, Moxiecode Systems AB, All rights reserved.

 */

(function() {

	var Event = tinymce.dom.Event, grep = tinymce.grep, each = tinymce.each, inArray = tinymce.inArray, isOldWebKit = tinymce.isOldWebKit;

	function isEmpty(d, e, f) {

		var w, n;

		w = d.createTreeWalker(e, NodeFilter.SHOW_ALL, null, false);

		while (n = w.nextNode()) {

			// Filter func

			if (f) {

				if (!f(n))

					return false;

			}

			// Non whitespace text node

			if (n.nodeType == 3 && n.nodeValue && /[^\s\u00a0]+/.test(n.nodeValue))

				return false;

			// Is non text element byt still content

			if (n.nodeType == 1 && /^(HR|IMG|TABLE)$/.test(n.nodeName))

				return false;

		}

		return true;

	};

	tinymce.create('tinymce.plugins.Safari', {

		init : function(ed) {

			var t = this, dom;

			// Ignore on non webkit

			if (!tinymce.isWebKit)

				return;

			t.editor = ed;

			t.webKitFontSizes = ['x-small', 'small', 'medium', 'large', 'x-large', 'xx-large', '-webkit-xxx-large'];

			t.namedFontSizes = ['xx-small', 'x-small','small','medium','large','x-large', 'xx-large'];

			// Safari CreateLink command will not work correctly on images that is aligned

			ed.addCommand('CreateLink', function(u, v) {

				var n = ed.selection.getNode(), dom = ed.dom, a;

				if (n && (/^(left|right)$/i.test(dom.getStyle(n, 'float', 1)) || /^(left|right)$/i.test(dom.getAttrib(n, 'align')))) {

					a = dom.create('a', {href : v}, n.cloneNode());

					n.parentNode.replaceChild(a, n);

					ed.selection.select(a);

				} else

					ed.getDoc().execCommand("CreateLink", false, v);

			});

			ed.onPaste.add(function(ed, e) {

				function removeStyles(e) {

					e = e.target;

					if (e.nodeType == 1) {

						e.style.cssText = '';

						each(ed.dom.select('*', e), function(e) {

							e.style.cssText = '';

						});

					}

				};

				Event.add(ed.getDoc(), 'DOMNodeInserted', removeStyles);

				window.setTimeout(function() {

					Event.remove(ed.getDoc(), 'DOMNodeInserted', removeStyles);

				}, 0);

			});

			ed.onKeyUp.add(function(ed, e) {

				var h, b, r, n, s;

				// If backspace or delete key

				if (e.keyCode == 46 || e.keyCode == 8) {

					b = ed.getBody();

					h = b.innerHTML;

					s = ed.selection;

					// If there is no text content or images or hr elements then remove everything

					if (b.childNodes.length == 1 && !/<(img|hr)/.test(h) && tinymce.trim(h.replace(/<[^>]+>/g, '')).length == 0) {

						// Inject paragrah and bogus br

						ed.setContent('<p><br mce_bogus="1" /></p>', {format : 'raw'});

						// Move caret before bogus br

						n = b.firstChild;

						r = s.getRng();

						r.setStart(n, 0);

						r.setEnd(n, 0);

						s.setRng(r);

					}

				}

			});

			// Workaround for FormatBlock bug, http://bugs.webkit.org/show_bug.cgi?id=16004

			ed.addCommand('FormatBlock', function(u, v) {

				var dom = ed.dom, e = dom.getParent(ed.selection.getNode(), dom.isBlock);

				if (e)

					dom.replace(dom.create(v), e, 1);

				else

					ed.getDoc().execCommand("FormatBlock", false, v);

			});

			// Workaround for InsertHTML bug, http://bugs.webkit.org/show_bug.cgi?id=16382

			ed.addCommand('mceInsertContent', function(u, v) {

				ed.getDoc().execCommand("InsertText", false, 'mce_marker');

				ed.getBody().innerHTML = ed.getBody().innerHTML.replace(/mce_marker/g, ed.dom.processHTML(v) + '<span id="_mce_tmp">XX</span>');

				ed.selection.select(ed.dom.get('_mce_tmp'));

				ed.getDoc().execCommand("Delete", false, ' ');

			});

			ed.onKeyPress.add(function(ed, e) {

				var se, li, lic, r1, r2, n, sel, doc, be, af, pa;

				if (e.keyCode == 13) {

					sel = ed.selection;

					se = sel.getNode();

					// Workaround for missing shift+enter support, http://bugs.webkit.org/show_bug.cgi?id=16973

					if (e.shiftKey || ed.settings.force_br_newlines && se.nodeName != 'LI') {

						t._insertBR(ed);

						Event.cancel(e);

					}

					// Workaround for DIV elements produced by Safari

					if (li = dom.getParent(se, 'LI')) {

						lic = dom.getParent(li, 'OL,UL');

						doc = ed.getDoc();

						pa = dom.create('p');

						dom.add(pa, 'br', {mce_bogus : "1"});

						if (isEmpty(doc, li)) {

							// If list in list then use browser default behavior

							if (n = dom.getParent(lic.parentNode, 'LI,OL,UL'))

								return;

							n = dom.getParent(lic, 'p,h1,h2,h3,h4,h5,h6,div') || lic;

							// Create range from the start of block element to the list item

							r1 = doc.createRange();

							r1.setStartBefore(n);

							r1.setEndBefore(li);

							// Create range after the list to the end of block element

							r2 = doc.createRange();

							r2.setStartAfter(li);

							r2.setEndAfter(n);

							be = r1.cloneContents();

							af = r2.cloneContents();

							if (!isEmpty(doc, af))

								dom.insertAfter(af, n);

							dom.insertAfter(pa, n);

							if (!isEmpty(doc, be))

								dom.insertAfter(be, n);

							dom.remove(n);

							n = pa.firstChild;

							r1 = doc.createRange();

							r1.setStartBefore(n);

							r1.setEndBefore(n);

							sel.setRng(r1);

							return Event.cancel(e);

						}

					}

				}

			});

			// Safari doesn't place lists outside block elements

			ed.onExecCommand.add(function(ed, cmd) {

				var sel, dom, bl, bm;

				if (cmd == 'InsertUnorderedList' || cmd == 'InsertOrderedList') {

					sel = ed.selection;

					dom = ed.dom;

					if (bl = dom.getParent(sel.getNode(), function(n) {return /^(H[1-6]|P|ADDRESS|PRE)$/.test(n.nodeName);})) {

						bm = sel.getBookmark();

						dom.remove(bl, 1);

						sel.moveToBookmark(bm);

					}

				}

			});

			// Workaround for bug, http://bugs.webkit.org/show_bug.cgi?id=12250

			ed.onClick.add(function(ed, e) {

				e = e.target;

				if (e.nodeName == 'IMG') {

					t.selElm = e;

					ed.selection.select(e);

				} else

					t.selElm = null;

			});

			ed.onInit.add(function() {

				t._fixWebKitSpans();

				if (isOldWebKit)

					t._patchSafari2x(ed);

			});

			ed.onSetContent.add(function() {

				dom = ed.dom;

				// Convert strong,b,em,u,strike to spans

				each(['strong','b','em','u','strike','sub','sup','a'], function(v) {

					each(grep(dom.select(v)).reverse(), function(n) {

						var nn = n.nodeName.toLowerCase(), st;

						// Convert anchors into images

						if (nn == 'a') {

							if (n.name)

								dom.replace(dom.create('img', {mce_name : 'a', name : n.name, 'class' : 'mceItemAnchor'}), n);

							return;

						}

						switch (nn) {

							case 'b':

							case 'strong':

								if (nn == 'b')

									nn = 'strong';

								st = 'font-weight: bold;';

								break;

							case 'em':

								st = 'font-style: italic;';

								break;

							case 'u':

								st = 'text-decoration: underline;';

								break;

							case 'sub':

								st = 'vertical-align: sub;';

								break;

							case 'sup':

								st = 'vertical-align: super;';

								break;

							case 'strike':

								st = 'text-decoration: line-through;';

								break;

						}

						dom.replace(dom.create('span', {mce_name : nn, style : st, 'class' : 'Apple-style-span'}), n, 1);

					});

				});

			});

			ed.onPreProcess.add(function(ed, o) {

				dom = ed.dom;

				each(grep(o.node.getElementsByTagName('span')).reverse(), function(n) {

					var v, bg;

					if (o.get) {

						if (dom.hasClass(n, 'Apple-style-span')) {

							bg = n.style.backgroundColor;

							switch (dom.getAttrib(n, 'mce_name')) {

								case 'font':

									if (!ed.settings.convert_fonts_to_spans)

										dom.setAttrib(n, 'style', '');

									break;

								case 'strong':

								case 'em':

								case 'sub':

								case 'sup':

									dom.setAttrib(n, 'style', '');

									break;

								case 'strike':

								case 'u':

									if (!ed.settings.inline_styles)

										dom.setAttrib(n, 'style', '');

									else

										dom.setAttrib(n, 'mce_name', '');

									break;

								default:

									if (!ed.settings.inline_styles)

										dom.setAttrib(n, 'style', '');

							}

							if (bg)

								n.style.backgroundColor = bg;

						}

					}

					if (dom.hasClass(n, 'mceItemRemoved'))

						dom.remove(n, 1);

				});

			});

			ed.onPostProcess.add(function(ed, o) {

				// Safari adds BR at end of all block elements

				o.content = o.content.replace(/<br \/><\/(h[1-6]|div|p|address|pre)>/g, '</$1>');

				// Safari adds id="undefined" to HR elements

				o.content = o.content.replace(/ id=\"undefined\"/g, '');

			});

		},

		getInfo : function() {

			return {

				longname : 'Safari compatibility',

				author : 'Moxiecode Systems AB',

				authorurl : 'http://tinymce.moxiecode.com',

				infourl : 'http://wiki.moxiecode.com/index.php/TinyMCE:Plugins/safari',

				version : tinymce.majorVersion + "." + tinymce.minorVersion

			};

		},

		// Internal methods

		_fixWebKitSpans : function() {

			var t = this, ed = t.editor;

			if (!isOldWebKit) {

				// Use mutator events on new WebKit

				Event.add(ed.getDoc(), 'DOMNodeInserted', function(e) {

					e = e.target;

					if (e && e.nodeType == 1)

						t._fixAppleSpan(e);

				});

			} else {

				// Do post command processing in old WebKit since the browser crashes on Mutator events :(

				ed.onExecCommand.add(function() {

					each(ed.dom.select('span'), function(n) {

						t._fixAppleSpan(n);

					});

					ed.nodeChanged();

				});

			}

		},

		_fixAppleSpan : function(e) {

			var ed = this.editor, dom = ed.dom, fz = this.webKitFontSizes, fzn = this.namedFontSizes, s = ed.settings, st, p;

			if (dom.getAttrib(e, 'mce_fixed'))

				return;

			// Handle Apple style spans

			if (e.nodeName == 'SPAN' && e.className == 'Apple-style-span') {

				st = e.style;

				if (!s.convert_fonts_to_spans) {

					if (st.fontSize) {

						dom.setAttrib(e, 'mce_name', 'font');

						dom.setAttrib(e, 'size', inArray(fz, st.fontSize) + 1);

					}

					if (st.fontFamily) {

						dom.setAttrib(e, 'mce_name', 'font');

						dom.setAttrib(e, 'face', st.fontFamily);

					}

					if (st.color) {

						dom.setAttrib(e, 'mce_name', 'font');

						dom.setAttrib(e, 'color', dom.toHex(st.color));

					}

					if (st.backgroundColor) {

						dom.setAttrib(e, 'mce_name', 'font');

						dom.setStyle(e, 'background-color', st.backgroundColor);

					}

				} else {

					if (st.fontSize)

						dom.setStyle(e, 'fontSize', fzn[inArray(fz, st.fontSize)]);

				}

				if (st.fontWeight == 'bold')

					dom.setAttrib(e, 'mce_name', 'strong');

				if (st.fontStyle == 'italic')

					dom.setAttrib(e, 'mce_name', 'em');

				if (st.textDecoration == 'underline')

					dom.setAttrib(e, 'mce_name', 'u');

				if (st.textDecoration == 'line-through')

					dom.setAttrib(e, 'mce_name', 'strike');

				if (st.verticalAlign == 'super')

					dom.setAttrib(e, 'mce_name', 'sup');

				if (st.verticalAlign == 'sub')

					dom.setAttrib(e, 'mce_name', 'sub');

				dom.setAttrib(e, 'mce_fixed', '1');

			}

		},

		_patchSafari2x : function(ed) {

			var t = this, setContent, getNode, dom = ed.dom, lr;

			// Inline dialogs

			if (ed.windowManager.onBeforeOpen) {

				ed.windowManager.onBeforeOpen.add(function() {

					r = ed.selection.getRng();

				});

			}

			// Fake select on 2.x

			ed.selection.select = function(n) {

				this.getSel().setBaseAndExtent(n, 0, n, 1);

			};

			getNode = ed.selection.getNode;

			ed.selection.getNode = function() {

				return t.selElm || getNode.call(this);

			};

			// Fake range on Safari 2.x

			ed.selection.getRng = function() {

				var t = this, s = t.getSel(), d = ed.getDoc(), r, rb, ra, di;

				// Fake range on Safari 2.x

				if (s.anchorNode) {

					r = d.createRange();

					try {

						// Setup before range

						rb = d.createRange();

						rb.setStart(s.anchorNode, s.anchorOffset);

						rb.collapse(1);

						// Setup after range

						ra = d.createRange();

						ra.setStart(s.focusNode, s.focusOffset);

						ra.collapse(1);

						// Setup start/end points by comparing locations

						di = rb.compareBoundaryPoints(rb.START_TO_END, ra) < 0;

						r.setStart(di ? s.anchorNode : s.focusNode, di ? s.anchorOffset : s.focusOffset);

						r.setEnd(di ? s.focusNode : s.anchorNode, di ? s.focusOffset : s.anchorOffset);

						lr = r;

					} catch (ex) {

						// Sometimes fails, at least we tried to do it by the book. I hope Safari 2.x will go disappear soooon!!!

					}

				}

				return r || lr;

			};

			// Fix setContent so it works

			setContent = ed.selection.setContent;

			ed.selection.setContent = function(h, s) {

				var r = this.getRng(), b;

				try {

					setContent.call(this, h, s);

				} catch (ex) {

					// Workaround for Safari 2.x

					b = dom.create('body');

					b.innerHTML = h;

					each(b.childNodes, function(n) {

						r.insertNode(n.cloneNode(true));

					});

				}

			};

		},

		_insertBR : function(ed) {

			var dom = ed.dom, s = ed.selection, r = s.getRng(), br;

			// Insert BR element

			r.insertNode(br = dom.create('br'));

			// Place caret after BR

			r.setStartAfter(br);

			r.setEndAfter(br);

			s.setRng(r);

			// Could not place caret after BR then insert an nbsp entity and move the caret

			if (s.getSel().focusNode == br.previousSibling) {

				s.select(dom.insertAfter(dom.doc.createTextNode('\u00a0'), br));

				s.collapse(1);

			}

			// Scroll to new position, scrollIntoView can't be used due to bug: http://bugs.webkit.org/show_bug.cgi?id=16117

			ed.getWin().scrollTo(0, dom.getPos(s.getRng().startContainer).y);

		}

	});

	// Register plugin

	tinymce.PluginManager.add('safari', tinymce.plugins.Safari);

})();