/*!
* Ext JS Library 3.2.1
* Copyright(c) 2006-2010 Ext JS, Inc.
* licensing@extjs.com
* http://www.extjs.com/license
*/
/**
* @class Ext.Element
*/
(function(){
var D = Ext.lib.Dom,
LEFT = "left",
RIGHT = "right",
TOP = "top",
BOTTOM = "bottom",
POSITION = "position",
STATIC = "static",
RELATIVE = "relative",
AUTO = "auto",
ZINDEX = "z-index";
Ext.Element.addMethods({
/**
* Gets the current X position of the element based on page coordinates. Element must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
* @return {Number} The X position of the element
*/
getX : function(){
return D.getX(this.dom);
},
/**
* Gets the current Y position of the element based on page coordinates. Element must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
* @return {Number} The Y position of the element
*/
getY : function(){
return D.getY(this.dom);
},
/**
* Gets the current position of the element based on page coordinates. Element must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
* @return {Array} The XY position of the element
*/
getXY : function(){
return D.getXY(this.dom);
},
/**
* Returns the offsets of this element from the passed element. Both element must be part of the DOM tree and not have display:none to have page coordinates.
* @param {Mixed} element The element to get the offsets from.
* @return {Array} The XY page offsets (e.g. [100, -200])
*/
getOffsetsTo : function(el){
var o = this.getXY(),
e = Ext.fly(el, '_internal').getXY();
return [o[0]-e[0],o[1]-e[1]];
},
/**
* Sets the X position of the element based on page coordinates. Element must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
* @param {Number} The X position of the element
* @param {Boolean/Object} animate (optional) True for the default animation, or a standard Element animation config object
* @return {Ext.Element} this
*/
setX : function(x, animate){
return this.setXY([x, this.getY()], this.animTest(arguments, animate, 1));
},
/**
* Sets the Y position of the element based on page coordinates. Element must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
* @param {Number} The Y position of the element
* @param {Boolean/Object} animate (optional) True for the default animation, or a standard Element animation config object
* @return {Ext.Element} this
*/
setY : function(y, animate){
return this.setXY([this.getX(), y], this.animTest(arguments, animate, 1));
},
/**
* Sets the element's left position directly using CSS style (instead of {@link #setX}).
* @param {String} left The left CSS property value
* @return {Ext.Element} this
*/
setLeft : function(left){
this.setStyle(LEFT, this.addUnits(left));
return this;
},
/**
* Sets the element's top position directly using CSS style (instead of {@link #setY}).
* @param {String} top The top CSS property value
* @return {Ext.Element} this
*/
setTop : function(top){
this.setStyle(TOP, this.addUnits(top));
return this;
},
/**
* Sets the element's CSS right style.
* @param {String} right The right CSS property value
* @return {Ext.Element} this
*/
setRight : function(right){
this.setStyle(RIGHT, this.addUnits(right));
return this;
},
/**
* Sets the element's CSS bottom style.
* @param {String} bottom The bottom CSS property value
* @return {Ext.Element} this
*/
setBottom : function(bottom){
this.setStyle(BOTTOM, this.addUnits(bottom));
return this;
},
/**
* Sets the position of the element in page coordinates, regardless of how the element is positioned.
* The element must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
* @param {Array} pos Contains X & Y [x, y] values for new position (coordinates are page-based)
* @param {Boolean/Object} animate (optional) True for the default animation, or a standard Element animation config object
* @return {Ext.Element} this
*/
setXY : function(pos, animate){
var me = this;
if(!animate || !me.anim){
D.setXY(me.dom, pos);
}else{
me.anim({points: {to: pos}}, me.preanim(arguments, 1), 'motion');
}
return me;
},
/**
* Sets the position of the element in page coordinates, regardless of how the element is positioned.
* The element must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
* @param {Number} x X value for new position (coordinates are page-based)
* @param {Number} y Y value for new position (coordinates are page-based)
* @param {Boolean/Object} animate (optional) True for the default animation, or a standard Element animation config object
* @return {Ext.Element} this
*/
setLocation : function(x, y, animate){
return this.setXY([x, y], this.animTest(arguments, animate, 2));
},
/**
* Sets the position of the element in page coordinates, regardless of how the element is positioned.
* The element must be part of the DOM tree to have page coordinates (display:none or elements not appended return false).
* @param {Number} x X value for new position (coordinates are page-based)
* @param {Number} y Y value for new position (coordinates are page-based)
* @param {Boolean/Object} animate (optional) True for the default animation, or a standard Element animation config object
* @return {Ext.Element} this
*/
moveTo : function(x, y, animate){
return this.setXY([x, y], this.animTest(arguments, animate, 2));
},
/**
* Gets the left X coordinate
* @param {Boolean} local True to get the local css position instead of page coordinate
* @return {Number}
*/
getLeft : function(local){
return !local ? this.getX() : parseInt(this.getStyle(LEFT), 10) || 0;
},
/**
* Gets the right X coordinate of the element (element X position + element width)
* @param {Boolean} local True to get the local css position instead of page coordinate
* @return {Number}
*/
getRight : function(local){
var me = this;
return !local ? me.getX() + me.getWidth() : (me.getLeft(true) + me.getWidth()) || 0;
},
/**
* Gets the top Y coordinate
* @param {Boolean} local True to get the local css position instead of page coordinate
* @return {Number}
*/
getTop : function(local) {
return !local ? this.getY() : parseInt(this.getStyle(TOP), 10) || 0;
},
/**
* Gets the bottom Y coordinate of the element (element Y position + element height)
* @param {Boolean} local True to get the local css position instead of page coordinate
* @return {Number}
*/
getBottom : function(local){
var me = this;
return !local ? me.getY() + me.getHeight() : (me.getTop(true) + me.getHeight()) || 0;
},
/**
* Initializes positioning on this element. If a desired position is not passed, it will make the
* the element positioned relative IF it is not already positioned.
* @param {String} pos (optional) Positioning to use "relative", "absolute" or "fixed"
* @param {Number} zIndex (optional) The zIndex to apply
* @param {Number} x (optional) Set the page X position
* @param {Number} y (optional) Set the page Y position
*/
position : function(pos, zIndex, x, y){
var me = this;
if(!pos && me.isStyle(POSITION, STATIC)){
me.setStyle(POSITION, RELATIVE);
} else if(pos) {
me.setStyle(POSITION, pos);
}
if(zIndex){
me.setStyle(ZINDEX, zIndex);
}
if(x || y) me.setXY([x || false, y || false]);
},
/**
* Clear positioning back to the default when the document was loaded
* @param {String} value (optional) The value to use for the left,right,top,bottom, defaults to '' (empty string). You could use 'auto'.
* @return {Ext.Element} this
*/
clearPositioning : function(value){
value = value || '';
this.setStyle({
left : value,
right : value,
top : value,
bottom : value,
"z-index" : "",
position : STATIC
});
return this;
},
/**
* Gets an object with all CSS positioning properties. Useful along with setPostioning to get
* snapshot before performing an update and then restoring the element.
* @return {Object}
*/
getPositioning : function(){
var l = this.getStyle(LEFT);
var t = this.getStyle(TOP);
return {
"position" : this.getStyle(POSITION),
"left" : l,
"right" : l ? "" : this.getStyle(RIGHT),
"top" : t,
"bottom" : t ? "" : this.getStyle(BOTTOM),
"z-index" : this.getStyle(ZINDEX)
};
},
/**
* Set positioning with an object returned by getPositioning().
* @param {Object} posCfg
* @return {Ext.Element} this
*/
setPositioning : function(pc){
var me = this,
style = me.dom.style;
me.setStyle(pc);
if(pc.right == AUTO){
style.right = "";
}
if(pc.bottom == AUTO){
style.bottom = "";
}
return me;
},
/**
* Translates the passed page coordinates into left/top css values for this element
* @param {Number/Array} x The page x or an array containing [x, y]
* @param {Number} y (optional) The page y, required if x is not an array
* @return {Object} An object with left and top properties. e.g. {left: (value), top: (value)}
*/
translatePoints : function(x, y){
y = isNaN(x[1]) ? y : x[1];
x = isNaN(x[0]) ? x : x[0];
var me = this,
relative = me.isStyle(POSITION, RELATIVE),
o = me.getXY(),
l = parseInt(me.getStyle(LEFT), 10),
t = parseInt(me.getStyle(TOP), 10);
l = !isNaN(l) ? l : (relative ? 0 : me.dom.offsetLeft);
t = !isNaN(t) ? t : (relative ? 0 : me.dom.offsetTop);
return {left: (x - o[0] + l), top: (y - o[1] + t)};
},
animTest : function(args, animate, i) {
return !!animate && this.preanim ? this.preanim(args, i) : false;
}
});
})();