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Edit File: tiny.editor.js

var TINY = TINY || {},
T$ = T$ || function(i) {return document.getElementById(i)},
T$$$ = T$$$ || function() {return document.all?1 : 0};

TINY.editor = function() {
	var c = [], offset = -30;
	c['bold'] = [4, 'Bold', 'a', 'bold'];
	c['italic'] = [5, 'Italic', 'a', 'italic'];
	c['underline'] = [6, 'Underline', 'a', 'underline'];
	c['strikethrough'] = [7, 'Strikethrough', 'a', 'strikethrough'];
	c['subscript'] = [8, 'Subscript', 'a', 'subscript'];
	c['superscript'] = [9, 'Superscript', 'a', 'superscript'];
	c['orderedlist'] = [10, 'Insert Ordered List', 'a', 'insertorderedlist'];
	c['unorderedlist'] = [11, 'Insert Unordered List', 'a', 'insertunorderedlist'];
	c['outdent'] = [12, 'Outdent', 'a', 'outdent'];
	c['indent'] = [13, 'Indent', 'a', 'indent'];
	c['leftalign'] = [14, 'Left Align', 'a', 'justifyleft'];
	c['centeralign'] = [15, 'Center Align', 'a', 'justifycenter'];
	c['rightalign'] = [16, 'Right Align', 'a', 'justifyright'];
	c['blockjustify'] = [17, 'Block Justify', 'a', 'justifyfull'];
	c['undo'] = [18, 'Undo', 'a', 'undo'];
	c['redo'] = [19, 'Redo', 'a', 'redo'];
	c['image'] = [20, 'Insert Image', 'i', 'insertimage', 'Enter Image URL:', 'http://'];
	c['hr'] = [21, 'Insert Horizontal Rule', 'a', 'inserthorizontalrule'];
	c['link'] = [22, 'Insert Hyperlink', 'i', 'createlink', 'Enter URL:', 'http://'];
	c['unlink'] = [23, 'Remove Hyperlink', 'a', 'unlink'];
	c['unformat'] = [24, 'Remove Formatting', 'a', 'removeformat'];
	c['print'] = [25, 'Print', 'a', 'print'];
	function edit(n, obj) {
		this.n = n; window[n] = this; this.t = T$(obj.id); this.obj = obj; this.xhtml = obj.xhtml;
		var p = document.createElement('div'), w = document.createElement('div'), h = document.createElement('div'),
		l = obj.controls.length, i = 0;
		this.i = document.createElement('iframe');
		this.i.width = obj.width || '500'; this.i.height = obj.height || '250'; this.ie = T$$$();
		h.className = obj.rowclass || 'tinyeditor-header'; p.className = obj.cssclass || 'tinyeditor'; p.style.width = this.i.width + 'px'; p.appendChild(h);
		for(i; i < l; i++) {
			var id = obj.controls[i];
			if(id == 'n') {
				h = document.createElement('div'); h.className = obj.rowclass || 'tinyeditor-header'; p.appendChild(h);
			} else if(id == '|') {
				var d = document.createElement('div'); d.className = obj.dividerclass || 'tinyeditor-divider'; h.appendChild(d);
			} else if(id == 'font') {
				var sel = document.createElement('select'), fonts = obj.fonts || ['Verdana', 'Arial', 'Georgia'], fl = fonts.length, x = 0;
				sel.className = 'tinyeditor-font'; sel.onchange = new Function(this.n + '.ddaction(this, "fontname")');
				sel.options[0] = new Option('Font', '');
				for(x; x < fl; x++) {
					var font = fonts[x];
					sel.options[x + 1] = new Option(font, font);
				}
				h.appendChild(sel)
			} else if(id == 'size') {
				var sel = document.createElement('select'), sizes = obj.sizes || [1, 2, 3, 4, 5, 6, 7], sl = sizes.length, x = 0;
				sel.className = 'tinyeditor-size'; sel.onchange = new Function(this.n + '.ddaction(this, "fontsize")');
				for(x; x < sl; x++) {
					var size = sizes[x];
					sel.options[x] = new Option(size, size);
				}
				h.appendChild(sel)
			} else if(id == 'style') {
				var sel = document.createElement('select'),
				styles = obj.styles || [['Style', ''], ['Paragraph', '<p>'], ['Header 1', '<h1>'], ['Header 2', '<h2>'], ['Header 3', '<h3>'], ['Header 4', '<h4>'], ['Header 5', '<h5>'], ['Header 6', '<h6>']],
				sl = styles.length, x = 0;
				sel.className = 'tinyeditor-style'; sel.onchange = new Function(this.n + '.ddaction(this, "formatblock")');
				for(x; x < sl; x++) {
					var style = styles[x];
					sel.options[x] = new Option(style[0], style[1]);
				}
				h.appendChild(sel);
			} else if(c[id]) {
				var div = document.createElement('div'), x = c[id], func = x[2], ex, pos = x[0] * offset;
				div.className = obj.controlclass;
				div.unselectable = 'on';
				div.style.backgroundPosition = '0px ' + pos + 'px';
				div.title = x[1];
				ex = func == 'a'?'.action("' + x[3] + '", 0, ' + (x[4] || 0) + ')' : '.insert("' + x[4] + '", "' + x[5] + '", "' + x[3] + '")';
				div.onmousedown = new Function(this.n + (id == 'print'?'.print()' : ex));
				div.onmouseover = new Function(this.n + '.hover(this, ' + pos + ', 1)');
				div.onmouseout = new Function(this.n + '.hover(this, ' + pos + ', 0)');
				h.appendChild(div);
				if(this.ie) {div.unselectable = 'on'}
			}
		}
		this.t.parentNode.insertBefore(p, this.t); this.t.style.width = this.i.width + 'px';
		w.appendChild(this.t); w.appendChild(this.i); p.appendChild(w); this.t.style.display = 'none';
		if(obj.footer) {
			var f = document.createElement('div'); f.className = obj.footerclass || 'tinyeditor-footer';
			if(obj.toggle) {
				var to = obj.toggle, ts = document.createElement('div');
				ts.className = to.cssclass || 'toggle'; ts.innerHTML = obj.toggletext || 'source';
				ts.onclick = new Function(this.n + '.toggle(0, this);return false');
				f.appendChild(ts);
			}
			if(obj.resize) {
				var ro = obj.resize, rs = document.createElement('div'); rs.className = ro.cssclass || 'resize';
				rs.onmousedown = new Function('event', this.n + '.resize(event);return false');
				rs.onselectstart = function() {return false};
				f.appendChild(rs);
			}
			p.appendChild(f);
		}
		this.e = this.i.contentWindow.document; this.e.open();
		var m = '<html><head>', bodyid = obj.bodyid?" id=\"" + obj.bodyid + "\"" : "";
		if(obj.cssfile) {m + = '<link rel="stylesheet" href="' + obj.cssfile + '" />'}
		if(obj.css) {m + = '<style type="text/css">' + obj.css + '</style>'}
		m + = '</head><body' + bodyid + ' contenteditable="true">' + (obj.content || this.t.value);
		m + = '</body></html>';
		this.e.write(m);
		this.e.close(); this.e.designMode = 'On'; this.d = 1;
		if(this.xhtml) {
			try{this.e.execCommand("styleWithCSS", 0, 0)}
			catch(e) {try{this.e.execCommand("useCSS", 0, 1)}catch(e) {}}
		}
	};
	edit.prototype.print = function() {
		this.i.contentWindow.print();
	};
	edit.prototype.hover = function(div, pos, dir) {
		this.getSelection();
		div.style.backgroundPosition = (dir ? '34px ' : '0px ') + (pos) + 'px';
	};
	edit.prototype.getSelection = function() {
		if(this.ie && this.e.getSelection) {
			this.sel = this.e.getSelection();
			if(this.sel.getRangeAt && this.sel.rangeCount) {
				this.range = this.sel.getRangeAt(0);
			}
		}
	};
	edit.prototype.restoreSelection = function() {
		if (this.range && this.ie) {
			if (this.e.getSelection) {
				this.sel = this.e.getSelection();
				this.sel.removeAllRanges();
				this.sel.addRange(this.range);
			}
		}
	};
	edit.prototype.ddaction = function(dd, a) {
		var i = dd.selectedIndex, v = dd.options[i].value;
		this.action(a, v);
	};
	edit.prototype.action = function(cmd, val, ie) {
		if(ie && !this.ie) {
			alert('Your browser does not support this function.')
		} else{
			this.restoreSelection();
			this.e.execCommand(cmd, 0, val || null);
		}
	};
	edit.prototype.insert = function(pro, msg, cmd) {
		var val = prompt(pro, msg);
		if(val! = null && val! = '') {this.e.execCommand(cmd, 0, val)}
	};
	edit.prototype.setfont = function() {
		this.restoreSelection();
		execCommand('formatblock', 0, hType);
	};
	edit.prototype.resize = function(e) {
		if(this.mv) {this.freeze()}
		this.i.bcs = TINY.cursor.top(e);
		this.mv = new Function('event', this.n + '.move(event)');
		this.sr = new Function(this.n + '.freeze()');
		if(this.ie) {
			document.attachEvent('onmousemove', this.mv); document.attachEvent('onmouseup', this.sr);
		} else{
			document.addEventListener('mousemove', this.mv, 1); document.addEventListener('mouseup', this.sr, 1);
		}
	};
	edit.prototype.move = function(e) {
		var pos = TINY.cursor.top(e);
		this.i.height = parseInt(this.i.height) + pos-this.i.bcs;
		this.i.bcs = pos;
	};
	edit.prototype.freeze = function() {
		if(this.ie) {
			document.detachEvent('onmousemove', this.mv); document.detachEvent('onmouseup', this.sr);
		} else{
			document.removeEventListener('mousemove', this.mv, 1); document.removeEventListener('mouseup', this.sr, 1);
		}
	};
	edit.prototype.toggle = function(post, div) {
		if(!this.d) {
			var v = this.t.value;
			if(div) {div.innerHTML = this.obj.toggletext || 'source'}
			if(this.xhtml && !this.ie) {
				v = v.replace(/<strong>(.*)<\/strong>/gi, '<span style="font-weight:bold;">$1</span>');
				v = v.replace(/<em>(.*)<\/em>/gi, '<span style="font-weight:italic;">$1</span>');
			}
			this.e.body.innerHTML = v;
			this.t.style.display = 'none'; this.i.style.display = 'block'; this.d = 1;
		} else{
			var v = this.e.body.innerHTML;
			if(this.xhtml) {
				v = v.replace(/<span class="apple-style-span">(.*)<\/span>/gi, '$1');
				v = v.replace(/ class="apple-style-span"/gi, '');
				v = v.replace(/<span style="">/gi, '');
				v = v.replace(/<br>/gi, '<br />');
				v = v.replace(/<br ?\/?>$/gi, '');
				v = v.replace(/^<br ?\/?>/gi, '');
				v = v.replace(/(<img [^>]+[^\/])>/gi, '$1 />');
				v = v.replace(/<b\b[^>]*>(.*?)<\/b[^>]*>/gi, '<strong>$1</strong>');
				v = v.replace(/<i\b[^>]*>(.*?)<\/i[^>]*>/gi, '<em>$1</em>');
				v = v.replace(/<u\b[^>]*>(.*?)<\/u[^>]*>/gi, '<span style="text-decoration:underline">$1</span>');
				v = v.replace(/<(b|strong|em|i|u) style="font-weight:normal;?">(.*)<\/(b|strong|em|i|u)>/gi, '$2');
				v = v.replace(/<(b|strong|em|i|u) style="(.*)">(.*)<\/(b|strong|em|i|u)>/gi, '<span style="$2"><$4>$3</$4></span>');
				v = v.replace(/<span style="font-weight:normal;?">(.*)<\/span>/gi, '$1');
				v = v.replace(/<span style="font-weight:bold;?">(.*)<\/span>/gi, '<strong>$1</strong>');
				v = v.replace(/<span style="font-style:italic;?">(.*)<\/span>/gi, '<em>$1</em>');
				v = v.replace(/<span style="font-weight:bold;?">(.*)<\/span>|<b\b[^>]*>(.*?)<\/b[^>]*>/gi, '<strong>$1</strong>');
			}
			if(div) {div.innerHTML = this.obj.toggletext || 'wysiwyg'}
			this.t.value = v;
			if(!post) {
				this.t.style.height = this.i.height + 'px';
				this.i.style.display = 'none'; this.t.style.display = 'block'; this.d = 0;
			}
		}
	};
	edit.prototype.post = function() {
		if(this.d) {
			this.toggle(1);
		}
	};
	return { edit : edit }
}();

TINY.cursor = function() {
	return {
		top : function(e) {
			return T$$$()?window.event.clientY + document.documentElement.scrollTop + document.body.scrollTop : e.clientY + window.scrollY;
		}
	}
}();