mirror of
http://git.whoc.org.uk/git/password-manager.git
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136 lines
4.1 KiB
JavaScript
136 lines
4.1 KiB
JavaScript
/**
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* @class YAHOO.ext.LayoutManager
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* @extends YAHOO.ext.util.Observable
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* Base class for layout managers.
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*/
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YAHOO.ext.LayoutManager = function(container){
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YAHOO.ext.LayoutManager.superclass.constructor.call(this);
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this.el = getEl(container, true);
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// ie scrollbar fix
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if(this.el.dom == document.body && YAHOO.ext.util.Browser.isIE){
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document.body.scroll = 'no';
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}
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this.id = this.el.id;
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this.el.addClass('ylayout-container');
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/** false to disable window resize monitoring @type Boolean */
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this.monitorWindowResize = true;
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this.regions = {};
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this.events = {
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/**
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* @event layout
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* Fires when a layout is performed.
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* @param {YAHOO.ext.LayoutManager} this
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*/
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'layout' : new YAHOO.util.CustomEvent(),
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/**
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* @event regionresized
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* Fires when the user resizes a region.
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* @param {YAHOO.ext.LayoutRegion} region
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* @param {Number} newSize The new size (width for east/west, height for north/south)
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*/
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'regionresized' : new YAHOO.util.CustomEvent(),
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/**
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* @event regioncollapsed
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* Fires when a region is collapsed.
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* @param {YAHOO.ext.LayoutRegion} region
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*/
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'regioncollapsed' : new YAHOO.util.CustomEvent(),
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/**
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* @event regionexpanded
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* Fires when a region is expanded.
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* @param {YAHOO.ext.LayoutRegion} region
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*/
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'regionexpanded' : new YAHOO.util.CustomEvent()
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};
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this.updating = false;
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YAHOO.ext.EventManager.onWindowResize(this.onWindowResize, this, true);
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};
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YAHOO.extendX(YAHOO.ext.LayoutManager, YAHOO.ext.util.Observable, {
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/**
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* Returns true if this layout is currently being updated
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* @return {Boolean}
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*/
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isUpdating : function(){
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return this.updating;
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},
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/**
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* Suspend the LayoutManager from doing auto-layouts while
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* making multiple add or remove calls
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*/
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beginUpdate : function(){
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this.updating = true;
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},
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/**
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* Restore auto-layouts and optionally disable the manager from performing a layout
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* @param {Boolean} noLayout true to disable a layout update
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*/
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endUpdate : function(noLayout){
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this.updating = false;
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if(!noLayout){
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this.layout();
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}
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},
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layout: function(){
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},
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onRegionResized : function(region, newSize){
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this.fireEvent('regionresized', region, newSize);
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this.layout();
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},
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onRegionCollapsed : function(region){
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this.fireEvent('regioncollapsed', region);
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},
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onRegionExpanded : function(region){
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this.fireEvent('regionexpanded', region);
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},
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/**
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* Returns the size of the current view, This method normalizes document.body and element embedded layouts and
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* performs box-model adjustments.
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* @return {Object} The size as an object {width: (the width), height: (the height)}
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*/
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getViewSize : function(){
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var size;
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if(this.el.dom != document.body){
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this.el.beginMeasure();
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size = this.el.getSize();
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this.el.endMeasure();
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}else{
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size = {width: YAHOO.util.Dom.getViewportWidth(), height: YAHOO.util.Dom.getViewportHeight()};
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}
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size.width -= this.el.getBorderWidth('lr')-this.el.getPadding('lr');
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size.height -= this.el.getBorderWidth('tb')-this.el.getPadding('tb');
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return size;
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},
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/**
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* Returns the element this layout is bound to.
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* @return {YAHOO.ext.Element}
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*/
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getEl : function(){
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return this.el;
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},
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/**
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* Returns the specified region.
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* @param {String} target The region key
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* @return {YAHOO.ext.LayoutRegion}
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*/
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getRegion : function(target){
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return this.regions[target.toLowerCase()];
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},
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onWindowResize : function(){
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if(this.monitorWindowResize){
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this.layout();
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}
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}
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});
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