tiny_mce_src.js

简介： 一个平台独立基于Web的Javascript HTML WYSIWYG编辑器

			if (t.elmClassPattern.test(pa)) {
				pl = t.elmClassPattern.exec(pa);
				x = get(s, pl[1] || '*');
				c = ' ' + pl[2] + ' ';

				for (i = 0, l = x.length; i<l; i++) {
					n = x[i];

					if (n.className && (' ' + n.className + ' ').indexOf(c) !== -1)
						o.push(n);
				}

				return o;
			}

			function collect(n) {
				if (!n.mce_save) {
					n.mce_save = 1;
					o.push(n);
				}
			};

			function collectIE(n) {
				if (!n.getAttribute('mce_save')) {
					n.setAttribute('mce_save', '1');
					o.push(n);
				}
			};

			function find(n, f, r) {
				var i, l, nl = get(r, n);

				for (i = 0, l = nl.length; i < l; i++)
					f(nl[i]);
			};

			each(pa.split(','), function(v, i) {
				v = tinymce.trim(v);

				// Simple element pattern, most common in TinyMCE
				if (t.elmPattern.test(v)) {
					each(get(s, v), function(n) {
						collect(n);
					});

					return;
				}

				// Simple element pattern with class, fairly common in TinyMCE
				if (t.elmClassPattern.test(v)) {
					x = t.elmClassPattern.exec(v);

					each(get(s, x[1]), function(n) {
						if (t.hasClass(n, x[2]))
							collect(n);
					});

					return;
				}

				if (!(cs = t.cache[pa])) {
					cs = 'x=(function(cf, s) {';
					pl = v.split(' ');

					each(pl, function(v) {
						var p = t.selectorRe.exec(v);

						// Find elements
						p[1] = p[1] || '*';
						cs += 'find("' + p[1] + '", function(n) {';

						// Check id
						if (p[2])
							cs += 'if (n.id !== "' + p[2] + '") return;';

						// Check classes
						if (p[3]) {
							cs += 'var c = " " + n.className + " ";';
							cs += 'if (';
							c = '';
							each(p[3].split('.'), function(v) {
								if (v)
									c += (c ? '||' : '') + 'c.indexOf(" ' + v + ' ") === -1';
							});
							cs += c + ') return;';
						}
					});

					cs += 'cf(n);';

					for (i = pl.length - 1; i >= 0; i--)
						cs += '}, ' + (i ? 'n' : 's') + ');';

					cs += '})';

					// Compile CSS pattern function
					t.cache[pa] = cs = eval(cs);
				}

				// Run selector function
				cs(isIE ? collectIE : collect, s);
			});

			// Cleanup
			each(o, function(n) {
				if (isIE)
					n.removeAttribute('mce_save');
				else
					delete n.mce_save;
			});

			return o;
		},

		// #endif

		add : function(p, n, a, h, c) {
			var t = this;

			return this.run(p, function(p) {
				var e, k;

				e = is(n, 'string') ? t.doc.createElement(n) : n;
				t.setAttribs(e, a);

				if (h) {
					if (h.nodeType)
						e.appendChild(h);
					else
						t.setHTML(e, h);
				}

				return !c ? p.appendChild(e) : e;
			});
		},

		create : function(n, a, h) {
			return this.add(this.doc.createElement(n), n, a, h, 1);
		},

		createHTML : function(n, a, h) {
			var o = '', t = this, k;

			o += '<' + n;

			for (k in a) {
				if (a.hasOwnProperty(k))
					o += ' ' + k + '="' + t.encode(a[k]) + '"';
			}

			if (tinymce.is(h))
				return o + '>' + h + '</' + n + '>';

			return o + ' />';
		},

		remove : function(n, k) {
			return this.run(n, function(n) {
				var p, g;

				p = n.parentNode;

				if (!p)
					return null;

				if (k) {
					each (n.childNodes, function(c) {
						p.insertBefore(c.cloneNode(true), n);
					});
				}

				// Fix IE psuedo leak
		/*		if (isIE) {
					p = n.cloneNode(true);
					n.outerHTML = '';

					return p;
				}*/

				return p.removeChild(n);
			});
		},

		// #if !jquery

		setStyle : function(n, na, v) {
			var t = this;

			return t.run(n, function(e) {
				var s, i;

				s = e.style;

				// Camelcase it, if needed
				na = na.replace(/-(\D)/g, function(a, b){
					return b.toUpperCase();
				});

				// Default px suffix on these
				if (t.pixelStyles.test(na) && (tinymce.is(v, 'number') || /^[\-0-9\.]+$/.test(v)))
					v += 'px';

				switch (na) {
					case 'opacity':
						// IE specific opacity
						if (isIE) {
							s.filter = v === '' ? '' : "alpha(opacity=" + (v * 100) + ")";

							if (!n.currentStyle || !n.currentStyle.hasLayout)
								s.display = 'inline-block';
						}

						// Fix for older browsers
						s[na] = s['-moz-opacity'] = s['-khtml-opacity'] = v || '';
						break;

					case 'float':
						isIE ? s.styleFloat = v : s.cssFloat = v;
						break;
					
					default:
						s[na] = v || '';
				}

				// Force update of the style data
				if (t.settings.update_styles)
					t.setAttrib(e, 'mce_style');
			});
		},

		getStyle : function(n, na, c) {
			n = this.get(n);

			if (!n)
				return false;

			// Gecko
			if (this.doc.defaultView && c) {
				// Remove camelcase
				na = na.replace(/[A-Z]/g, function(a){
					return '-' + a;
				});

				try {
					return this.doc.defaultView.getComputedStyle(n, null).getPropertyValue(na);
				} catch (ex) {
					// Old safari might fail
					return null;
				}
			}

			// Camelcase it, if needed
			na = na.replace(/-(\D)/g, function(a, b){
				return b.toUpperCase();
			});

			if (na == 'float')
				na = isIE ? 'styleFloat' : 'cssFloat';

			// IE & Opera
			if (n.currentStyle && c)
				return n.currentStyle[na];

			return n.style[na];
		},

		setStyles : function(e, o) {
			var t = this, s = t.settings, ol;

			ol = s.update_styles;
			s.update_styles = 0;

			each(o, function(v, n) {
				t.setStyle(e, n, v);
			});

			// Update style info
			s.update_styles = ol;
			if (s.update_styles)
				t.setAttrib(e, s.cssText);
		},

		setAttrib : function(e, n, v) {
			var t = this;

			// Whats the point
			if (!e || !n)
				return;

			// Strict XML mode
			if (t.settings.strict)
				n = n.toLowerCase();

			return this.run(e, function(e) {
				var s = t.settings;

				switch (n) {
					case "style":
						if (!is(v, 'string')) {
							each(v, function(v, n) {
								t.setStyle(e, n, v);
							});

							return;
						}

						// No mce_style for elements with these since they might get resized by the user
						if (s.keep_values) {
							if (v && !t._isRes(v))
								e.setAttribute('mce_style', v, 2);
							else
								e.removeAttribute('mce_style', 2);
						}

						e.style.cssText = v;
						break;

					case "class":
						e.className = v || ''; // Fix IE null bug
						break;

					case "src":
					case "href":
						if (s.keep_values) {
							if (s.url_converter)
								v = s.url_converter.call(s.url_converter_scope || t, v, n, e);

							t.setAttrib(e, 'mce_' + n, v, 2);
						}

						break;
					
					case "shape":
						e.setAttribute('mce_style', v);
						break;
				}

				if (is(v) && v !== null && v.length !== 0)
					e.setAttribute(n, '' + v, 2);
				else
					e.removeAttribute(n, 2);
			});
		},

		setAttribs : function(e, o) {
			var t = this;

			return this.run(e, function(e) {
				each(o, function(v, n) {
					t.setAttrib(e, n, v);
				});
			});
		},

		// #endif

		getAttrib : function(e, n, dv) {
			var v, t = this;

			e = t.get(e);

			if (!e || e.nodeType !== 1)
				return false;

			if (!is(dv))
				dv = '';

			// Try the mce variant for these
			if (/^(src|href|style|coords|shape)$/.test(n)) {
				v = e.getAttribute("mce_" + n);

				if (v)
					return v;
			}

			if (isIE && t.props[n]) {
				v = e[t.props[n]];
				v = v && v.nodeValue ? v.nodeValue : v;
			}

			if (!v)
				v = e.getAttribute(n, 2);

			if (n === 'style') {
				v = v || e.style.cssText;

				if (v) {
					v = t.serializeStyle(t.parseStyle(v));

					if (t.settings.keep_values && !t._isRes(v))
						e.setAttribute('mce_style', v);
				}
			}

			// Remove Apple and WebKit stuff
			if (isWebKit && n === "class" && v)
				v = v.replace(/(apple|webkit)\-[a-z\-]+/gi, '');

			// Handle IE issues
			if (isIE) {
				switch (n) {
					case 'rowspan':
					case 'colspan':
						// IE returns 1 as default value
						if (v === 1)
							v = '';

						break;

					case 'size':
						// IE returns +0 as default value for size
						if (v === '+0' || v === 20)
							v = '';

						break;

					case 'width':
					case 'height':
					case 'vspace':
						if (v === 0)
							v = '';

						break;

					case 'hspace':
						// IE returns -1 as default value
						if (v === -1)
							v = '';

						break;

					case 'maxlength':
					case 'tabindex':
						// IE returns default value
						if (v === 32768 || v === 2147483647)
							v = '';

						break;

					case 'compact':
					case 'noshade':
						if (v === 65535)
							return n;

						return dv;

					case 'shape':
						v = v.toLowerCase();
						break;

					default:
						// IE has odd anonymous function for event attributes
						if (n.indexOf('on') === 0 && v)
							v = ('' + v).replace(/^function\s+anonymous\(\)\s+\{\s+(.*)\s+\}$/, '$1');
				}
			}

			return (v !== undefined && v !== null && v !== '') ? '' + v : dv;
		},

		getPos : function(n) {
			var t = this, x = 0, y = 0, e, d = t.doc, r;

			n = t.get(n);

			// Use getBoundingClientRect on IE, Opera has it but it's not perfect
			if (n && isIE) {
				n = n.getBoundingClientRect();
				e = t.boxModel ? d.documentElement : d.body;
				x = t.getStyle(t.select('html')[0], 'borderWidth'); // Remove border
				x = (x == 'medium' || t.boxModel && !t.isIE6) && 2 || x;
				n.top += t.win.self != t.win.top ? 2 : 0; // IE adds some strange extra cord if used in a frameset

				return {x : n.left + e.scrollLeft - x, y : n.top + e.scrollTop - x};
			}

			r = n;
			while (r) {
				x += r.offsetLeft || 0;
				y += r.offsetTop || 0;
				r = r.offsetParent;
			}

			r = n;
			while (r) {
				// Opera 9.25 bug fix, fixed in 9.50
				if (!/^table-row|inline.*/i.test(t.getStyle(r, "display", 1))) {
					x -= r.scrollLeft || 0;
					y -= r.scrollTop || 0;
				}

				r = r.parentNode;

				if (r == d.body)
					break;
			}

			return {x : x, y : y};
		},

		parseStyle : function(st) {
			var t = this, s = t.settings, o = {};

			if (!st)
				return o;

			function compress(p, s, ot) {
				var t, r, b, l;

				// Get values and check it it needs compressing
				t = o[p + '-top' + s];
				if (!t)
					return;

				r = o[p + '-right' + s];
				if (t != r)
					return;

				b = o[p + '-bottom' + s];
				if (r != b)
					return;

				l = o[p + '-left' + s];
				if (b != l)
					return;

				// Compress
				o[ot] = l;
				delete o[p + '-top' + s];
				delete o[p + '-right' + s];
				delete o[p + '-bottom' + s];
				delete o[p + '-left' + s];
			};

			function compress2(ta, a, b, c) {
				var t;

				t = o[a];
				if (!t)
					return;

				t = o[b];
				if (!t)
					return;

				t = o[c];
				if (!t)
					return;

				// Compress
				o[ta] = o[a] + ' ' + o[b] + ' ' + o[c];
				delete o[a];
				delete o[b];
				delete o[c];
			};

			st = st.replace(/&(#?[a-z0-9]+);/g, '&$1_MCE_SEMI_'); // Protect entities

			each(st.split(';'), function(v) {
				var sv, ur = [];

				if (v) {
					v = v.replace(/_MCE_SEMI_/g, ';'); // Restore entities
					v = v.replace(/url\([^\)]+\)/g, function(v) {ur.push(v);return 'url(' + ur.length + ')';});
					v = v.split(':');
					sv = tinymce.trim(v[1]);
					sv = sv.replace(/url\(([^\)]+)\)/g, function(a, b) {return ur[parseInt(b) - 1];});

					sv = sv.replace(/rgb\([^\)]+\)/g, function(v) {
						return t.toHex(v);
					});

					if (s.url_converter) {
						sv = sv.replace(/url\([\'\"]?([^\)\'\"]+)[\'\"]?\)/g, function(x, c) {
							return 'url(' + s.url_converter.call(s.url_converter_scope || t, t.decode(c), 'style', null) + ')';
						});
					}

					o[tinymce.trim(v[0]).toLowerCase()] = sv;
				}
			});

			compress("border", "", "border");
			compress("border", "-width", "border-width");
			compress("border", "-color", "border-color");
			compress("border", "-style", "border-style");
			compress("padding", "", "padding");
			compress("margin", "", "margin");
			compress2('border', 'border-width', 'border-style', 'border-color');

			if (isIE) {
				// Remove pointless border
				if (o.border == 'medium none')
					o.border = '';
			}

			return o;
		},

		serializeStyle : function(o) {
			var s = '';

			each(o, function(v, k) {
				if (k && v) {
					if (tinymce.isGecko && k.indexOf('-moz-') === 0)
						return;

					switch (k) {
						case 'color':
						case 'background-color':
							v = v.toLowerCase();
							break;
					}