/** * This override adds RTL support and the `rtl` config option to AbstactComponent. */Ext.define('Ext.rtl.Component', { override: 'Ext.Component', /** * @cfg {Boolean} rtl * True to layout this component and its descendants in "rtl" (right-to-left) mode. * Can be explicitly set to false to override a true value inherited from an ancestor. */ applyScrollable: function(scrollable, oldScrollable) { var ret = this.callParent([scrollable, oldScrollable]); if (ret && this.getInherited().rtl) { ret.setRtl(true); } return ret; }, convertPositionSpec: function(posSpec) { // Since anchoring is done based on page level coordinates, we need to invert // left and right in the position spec when the direction of the compoent being // aligned is not the same as the direction of the viewport/body return Ext.util.Region.getAlignInfo(posSpec, (Ext.rootInheritedState.rtl || false) !== (this.getInherited().rtl || false)); }, getAnchorToXY: function(el, anchor, local, mySize) { var doc = document, pos, scroll, extraX, extraY; if (el.dom === doc.body || el.dom === doc) { // anchor the element using the same coordinate system as the viewport or body scroll = Ext.rootInheritedState.rtl ? el.rtlGetScroll() : el.getScroll(); extraX = scroll.left; extraY = scroll.top; } else { pos = el.getXY(); extraX = local ? 0 : pos[0]; extraY = local ? 0 : pos[1]; } return el.calculateAnchorXY(anchor, extraX, extraY, mySize); }, getBorderPadding: function() { var borderPadding = this.el.getBorderPadding(), xBegin; if (this.isParentRtl()) { xBegin = borderPadding.xBegin; borderPadding.xBegin = borderPadding.xEnd; borderPadding.xEnd = xBegin; } return borderPadding; }, getLocalX: function() { return this.isLocalRtl() ? this.el.rtlGetLocalX() : this.el.getLocalX(); }, getLocalXY: function() { return this.isLocalRtl() ? this.el.rtlGetLocalXY() : this.el.getLocalXY(); }, unitizeBox: function(box) { if (this.getInherited().rtl) { return Ext.dom.Element.rtlUnitizeBox(box); } else { return this.callParent(arguments); } }, initInheritedState: function (inheritedState) { this.callParent(arguments); var rtl = this.rtl; if (rtl !== undefined) { // unlike the other hierarchical properties which should always // be inherited from the hierarchy unless true, rtl should only // be inherited if undefined, that is if this component instance // does not have rtl specified as true or false. inheritedState.rtl = rtl; } }, /** * Returns true if this component's local coordinate system is rtl. For normal * components this equates to the value of isParentRtl(). Floaters are a bit different * because a floater's element can be a childNode of something other than its * parent component's element. For floaters we have to read the dom to see if the * component's element's parentNode has a css direction value of "rtl". * @return {Boolean} * @private */ isLocalRtl: function() { var me = this, rtl, offsetParent; if (me.floating) { if (me._isOffsetParentRtl === undefined) { // position:fixed elements do not report an offsetParent, so fall back to parentNode offsetParent = this.el.dom.offsetParent || this.el.dom.parentNode; if (offsetParent) { me._isOffsetParentRtl = Ext.fly(offsetParent, '_isLocalRtl').isStyle('direction', 'rtl'); } } rtl = !!me._isOffsetParentRtl; } else { rtl = this.isParentRtl(); } return rtl; }, /** * Returns true if this component's parent container is rtl. Used by rtl positioning * methods to determine if the component should be positioned using a right-to-left * coordinate system. * @return {Boolean} * @private */ isParentRtl: function() { var me = this, inheritedState = me.getInherited(), isRtl = false, myRtl; if (inheritedState.hasOwnProperty('rtl')) { // Temporarily remove this component's rtl property so we can see what the rtl // value is on the prototype. A component is only rtl positioned if it is // inside of an rtl coordinate system (if one of it's ancestors is rtl). We // can't just use ownerCt/floatParent inheritedState, because components may // not have a container, but might still be part of a rtl coordinate system by // virtue of the Viewport. These components will inherit the correct rtl // value from the prototype because all hierarchy states inherit from // Ext.rootInheritedState myRtl = inheritedState.rtl; delete inheritedState.rtl; } if (inheritedState.rtl) { isRtl = true; } if (myRtl !== undefined) { // restore this component's original inheritedState rtl property inheritedState.rtl = myRtl; } return isRtl; }, setLocalX: function(x) { return this.isLocalRtl() ? this.el.rtlSetLocalX(x) : this.el.setLocalX(x); }, setLocalXY: function(x, y) { return this.isLocalRtl() ? this.el.rtlSetLocalXY(x, y) : this.el.setLocalXY(x, y); }, isOppositeRootDirection: function(){ return !this.getInherited().rtl !== !Ext.rootInheritedState.rtl; // jshint ignore:line }, privates: { initStyles: function(){ if (this.getInherited().rtl) { this.horizontalPosProp = 'right'; } this.callParent(arguments); }, parseBox: function(box) { if (this.getInherited().rtl) { return Ext.dom.Element.rtlParseBox(box); } else { return this.callParent(arguments); } } }}, function() { Ext.onInternalReady(function() { // If the document or body has "direction:rtl" then we set the rtl flag in the // root hierarchy state so that the page-level coordinate system will be // right-based (similar to using a Viewport with "rtl: true"). if ((Ext.fly(document.documentElement).isStyle('direction', 'rtl')) || (Ext.getBody().isStyle('direction', 'rtl'))) { Ext.rootInheritedState.rtl = true; } });});