- Ext.lib.Region = function(t, r, b, l) {\r
- var me = this;\r
- me.top = t;\r
- me[1] = t;\r
- me.right = r;\r
- me.bottom = b;\r
- me.left = l;\r
- me[0] = l;\r
- };\r
-\r
- Ext.lib.Region.prototype = {\r
- contains : function(region) {\r
- var me = this;\r
- return ( region.left >= me.left &&\r
- region.right <= me.right &&\r
- region.top >= me.top &&\r
- region.bottom <= me.bottom );\r
-\r
- },\r
-\r
- getArea : function() {\r
- var me = this;\r
- return ( (me.bottom - me.top) * (me.right - me.left) );\r
- },\r
-\r
- intersect : function(region) {\r
- var me = this,\r
- t = Math.max(me.top, region.top),\r
- r = Math.min(me.right, region.right),\r
- b = Math.min(me.bottom, region.bottom),\r
- l = Math.max(me.left, region.left);\r
-\r
- if (b >= t && r >= l) {\r
- return new Ext.lib.Region(t, r, b, l);\r
- }\r
- },\r
- \r
- union : function(region) {\r
- var me = this,\r
- t = Math.min(me.top, region.top),\r
- r = Math.max(me.right, region.right),\r
- b = Math.max(me.bottom, region.bottom),\r
- l = Math.min(me.left, region.left);\r
-\r
- return new Ext.lib.Region(t, r, b, l);\r
- },\r
-\r
- constrainTo : function(r) {\r
- var me = this;\r
- me.top = me.top.constrain(r.top, r.bottom);\r
- me.bottom = me.bottom.constrain(r.top, r.bottom);\r
- me.left = me.left.constrain(r.left, r.right);\r
- me.right = me.right.constrain(r.left, r.right);\r
- return me;\r
- },\r
-\r
- adjust : function(t, l, b, r) {\r
- var me = this;\r
- me.top += t;\r
- me.left += l;\r
- me.right += r;\r
- me.bottom += b;\r
- return me;\r
- }\r
- };\r
-\r
- Ext.lib.Region.getRegion = function(el) {\r
- var p = Ext.lib.Dom.getXY(el),\r
- t = p[1],\r
- r = p[0] + el.offsetWidth,\r
- b = p[1] + el.offsetHeight,\r
- l = p[0];\r
-\r
- return new Ext.lib.Region(t, r, b, l);\r
- };</pre>
+ Ext.lib.Region = function(t, r, b, l) {
+ var me = this;
+ me.top = t;
+ me[1] = t;
+ me.right = r;
+ me.bottom = b;
+ me.left = l;
+ me[0] = l;
+ };
+
+ Ext.lib.Region.prototype = {
+ contains : function(region) {
+ var me = this;
+ return ( region.left >= me.left &&
+ region.right <= me.right &&
+ region.top >= me.top &&
+ region.bottom <= me.bottom );
+
+ },
+
+ getArea : function() {
+ var me = this;
+ return ( (me.bottom - me.top) * (me.right - me.left) );
+ },
+
+ intersect : function(region) {
+ var me = this,
+ t = Math.max(me.top, region.top),
+ r = Math.min(me.right, region.right),
+ b = Math.min(me.bottom, region.bottom),
+ l = Math.max(me.left, region.left);
+
+ if (b >= t && r >= l) {
+ return new Ext.lib.Region(t, r, b, l);
+ }
+ },
+
+ union : function(region) {
+ var me = this,
+ t = Math.min(me.top, region.top),
+ r = Math.max(me.right, region.right),
+ b = Math.max(me.bottom, region.bottom),
+ l = Math.min(me.left, region.left);
+
+ return new Ext.lib.Region(t, r, b, l);
+ },
+
+ constrainTo : function(r) {
+ var me = this;
+ me.top = me.top.constrain(r.top, r.bottom);
+ me.bottom = me.bottom.constrain(r.top, r.bottom);
+ me.left = me.left.constrain(r.left, r.right);
+ me.right = me.right.constrain(r.left, r.right);
+ return me;
+ },
+
+ adjust : function(t, l, b, r) {
+ var me = this;
+ me.top += t;
+ me.left += l;
+ me.right += r;
+ me.bottom += b;
+ return me;
+ }
+ };
+
+ Ext.lib.Region.getRegion = function(el) {
+ var p = Ext.lib.Dom.getXY(el),
+ t = p[1],
+ r = p[0] + el.offsetWidth,
+ b = p[1] + el.offsetHeight,
+ l = p[0];
+
+ return new Ext.lib.Region(t, r, b, l);
+ };</pre>