X-Git-Url: http://git.ithinksw.org/extjs.git/blobdiff_plain/ee06f37b0f6f6d94cd05a6ffae556660f7c4a2bc..c930e9176a5a85509c5b0230e2bff5c22a591432:/src/core/core/Element.position.js diff --git a/src/core/core/Element.position.js b/src/core/core/Element.position.js new file mode 100644 index 00000000..0c3d4148 --- /dev/null +++ b/src/core/core/Element.position.js @@ -0,0 +1,303 @@ +/*! + * Ext JS Library 3.0.0 + * Copyright(c) 2006-2009 Ext JS, LLC + * 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"; + +function animTest(args, animate, i) { + return this.preanim && !!animate ? this.preanim(args, i) : false +} + +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()], animTest.call(this, 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], animTest.call(this, 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], animTest.call(this, 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], animTest.call(this, 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 : animTest +}); +})(); \ No newline at end of file