Added IExpr.js in the current state

IExpr.js

@@ -0,0 +1,188 @@
+/*_*/
+
+var IExpr = {
+
+	/* behavior:expression(IExpr.fix(this,'what_1','what_2','what_N)); */
+	fix: function(t) {
+		if (t.IExprLoop) {
+			var i = -1;
+			while (t.IExprLoop[++i]) {
+				IExpr[t.IExprLoop[i]](t);
+			}
+		} else {
+			t.IExprLoop = [];
+			var i = 0;
+			while (arguments[++i]) {
+				IExpr[arguments[i]](t) && t.IExprLoop.push(arguments[i]);
+			}
+		}
+		if (!t.IExprLoop.length) {
+			t.runtimeStyle.behavior = 'none';
+			t.removeAttribute('IExprLoop');
+		}
+	},
+
+	/* Dinamic detach of looping function */
+	detach: function(t,func) {
+		for (var i = t.IExprLoop.length - 1; i >= 0; i--) {
+			if (t.IExprLoop[i] == func) {
+				t.IExprLoop.splice(i,1);
+			}
+		}
+	},
+
+	/* behavior:expression(IExpr.fix(this,'positioning')); */
+	positioning: function(t) {
+		function to_px(input, dim) {
+			return input.match('%') ? Math.floor(dim / 100 * parseInt(input, 10)) : parseInt(input, 10);
+		}
+		var h = t.parentNode.offsetHeight || t.parentNode.parentNode.offsetHeight,
+			w = t.parentNode.offsetWidth || t.parentNode.parentNode.offsetWidth,
+			top = to_px(t.currentStyle.top, h),
+			bottom = to_px(t.currentStyle.bottom, h),
+			left = to_px(t.currentStyle.left, w),
+			right = to_px(t.currentStyle.right, w);
+		t.title = top + ' ' + right + ' ' + bottom + ' ' + left;
+		if (t.h != h || t.top != top || t.bottom != bottom || t.w != w || t.left != left || t.right != right) {
+			if (h >= 0 && top >= 0 && bottom >= 0) {
+				t.h = h;
+				t.top = top;
+				t.bottom = bottom;
+				t.style.height = h - (top + bottom) > 0 ? h - (top + bottom) : 0;
+			}
+			if (w >= 0 && left >= 0 && right >= 0) {
+				t.w = w;
+				t.left = left;
+				t.right = right;
+				t.style.width = w - (left + right) > 0 ? w - (left + right) : 0;
+			}
+		}
+		return 1;
+	},
+
+	/* behavior:expression(IExpr.fix(this,'target')); */
+	target: function(t) {
+		if (t.id) {
+			var hash = window.location.hash;
+			if (!t.targetClass) {
+				t.targetClass = t.className ? t.className.replace(/([^\s]+)/g,'$1_target') : 'target';
+			}
+			if (t.lastHash != hash) {
+				t.lastHash = hash;
+				if ("#"+t.id == hash) {
+					t.className += (' ' + t.targetClass);
+				} else {
+					t.className = t.className.replace(new RegExp(' ' + t.targetClass,'g'), '');
+				}
+			}
+			return 1;
+		} else {
+			IExpr.detach(t,'target');
+		}
+	},
+
+	/* behavior:expression(IExpr.fix(this,'hover')); */
+	hover: function(t) {
+		var hoverClass = t.className ? t.className.replace(/([^\s]+)/g,'$1_hover') : 'hover';
+		t.attachEvent('onmouseover',function() {
+			t.className += (' ' + hoverClass);
+		});
+		t.attachEvent('onmouseout',function() {
+			t.className = t.className.replace(new RegExp(' ' + hoverClass,'g'), '');
+		});
+	},
+
+	/* behavior:expression(IExpr.fix(this,'focus')); */
+	focus: function(t) {
+		var focusClass = t.className ? t.className.replace(/([^\s]+)/g,'$1_focus') : 'focus';
+		t.attachEvent('onfocus',function() {
+			t.className += (' ' + focusClass);
+		});
+		t.attachEvent('onblur',function() {
+			t.className = t.className.replace(new RegExp(' ' + focusClass,'g'), '');
+		});
+	},
+
+	/* behavior:expression(IExpr.fix(this,'before') */
+	before: function(t) {
+		t.insertAdjacentHTML('afterBegin','<span class="' + (t.className ? t.className.replace(/([^\s]+)/g,'$1_before') : 'before') + '" style="behavior:expression(IExpr.fix(this,\'renderContent\'))"></span>');
+	},
+
+	/* behavior:expression(IExpr.fix(this,'after') */
+	after: function(t) {
+		t.insertAdjacentHTML('beforeEnd','<span class="' + (t.className ? t.className.replace(/([^\s]+)/g,'$1_after') : 'after') + '" style="behavior:expression(IExpr.fix(this,\'renderContent\'))"></span>');
+	},
+
+	/* behavior:expression(IExpr.fix(this,'renderContent')); */
+	renderContent: function(t) {
+		var content = t.currentStyle['content'];
+		if (content && content.length > 2) {
+			if (content == 'none' || content == 'normal') {
+				t.removeNode(true);
+			} else {
+				t.insertAdjacentText('afterBegin', content.slice(1,-1));
+			}
+		} else {
+			t.removeNode(true);
+		}
+	},
+
+	/*
+		marker-before:'(';
+		marker-after:') ';
+		behavior:expression(IExpr.fix(this,'counter'));
+	*/
+	/* TODO: must get the contents for quotes by parsing, not by extra properties */
+	counter: function(t) {
+		var before = (t.currentStyle["marker-before"]||'').replace(/^.(.+).$/g, '$1'),
+			after = (t.currentStyle["marker-after"]||'').replace(/^.(.+).$/g, '$1');
+		t.runtimeStyle.listStyleType = 'none';
+		t.insertAdjacentHTML('afterBegin','<span class="list-item-before">' + before + (++t.parentNode.IEcounter || (t.parentNode.IEcounter = 1)) + after + '</span>');
+	},
+
+	/* zoom:1; behavior:expression(IExpr.(this,'maxWidthPx')); */
+	maxWidthPx: function(t) {
+		if (t.parentNode.scrollWidth != t.w) {
+			t.w = t.parentNode.scrollWidth;
+			var max = parseInt(t.currentStyle["max-width"], 10);
+			t.style.width = 'auto';
+			if (t.scrollWidth > max) {
+				t.style.width = max;
+			}
+		}
+		return 1;
+	},
+
+	/* behavior:expression(IExpr.fix(this,'pngIMG')); */
+	pngIMG: function(t) {
+		t.runtimeStyle.visibility = 'hidden';
+		var png = document.createElement('png');
+		png.style.cssText = 'zoom:1;filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(src=' + t.src + ',sizingMethod=scale);';
+		png.appendChild(t.replaceNode(png));
+		if (png.parentNode.getAttribute('href')) {
+			var pngclick = document.createElement('pngclick');
+			pngclick.style.cssText = 'position:absolute;overflow:hidden;width:expression(runtimeStyle.width = parentNode.offsetWidth);height:expression(runtimeStyle.height = parentNode.offsetHeight);';
+			t.parentNode.insertBefore(pngclick,t);
+		}
+	},
+
+	/* behavior:expression(IExpr.fix(this,adjustIframe)); */
+	adjustIframe: function(t) {
+		var L = t.nextSibling.offsetLeft,
+			T = t.nextSibling.offsetTop,
+			W = t.nextSibling.offsetWidth,
+			H = t.nextSibling.offsetHeight;
+		if (t.L != L || t.T != T || t.W != W || t.H != H) {
+			t.runtimeStyle.left = t.L = L;
+			t.runtimeStyle.top = t.T = T;
+			t.runtimeStyle.width = t.W = W;
+			t.runtimeStyle.height = t.H = H;
+		}
+		return 1;
+	},
+
+	/* zoom:1;behavior:expression(IExpr.fix(this,'iframeShim')); */
+	iframeShim: function(t) {
+		t.insertAdjacentHTML('beforeBegin', '<iframe class="ie-iframe" src="about:blank" style="position:absolute;filter:progid:DXImageTransform.Microsoft.Alpha(Opacity=0);opacity:0;padding:0;margin:0;border:0;behavior:expression(IExpr.fix(this,\'adjustIframe\'));"></iframe>');
+	}
+}