easyUI中layout布局隐藏动态实现

对layout添加方法

<script>

    /**  
     * layout方法扩展  
     * @param {Object} jq  
     * @param {Object} region  
     */  
    $.extend($.fn.layout.methods, {   
        /**  
         * 面板是否存在和可见  
         * @param {Object} jq  
         * @param {Object} params  
         */  
        isVisible: function(jq, params) {   
            var panels = $.data(jq[0], 'layout').panels;   
            var pp = panels[params];   
            if(!pp) {   
                return false;   
            }   
            if(pp.length) {   
                return pp.panel('panel').is(':visible');   
            } else {   
                return false;   
            }   
        },   
        /**  
         * 隐藏除某个region，center除外。  
         * @param {Object} jq  
         * @param {Object} params  
         */  
        hidden: function(jq, params) {   
            return jq.each(function() {   
                var opts = $.data(this, 'layout').options;   
                var panels = $.data(this, 'layout').panels;   
                if(!opts.regionState){   
                    opts.regionState = {};   
                }   
                var region = params;   
                function hide(dom,region,doResize){   
                    var first = region.substring(0,1);   
                    var others = region.substring(1);   
                    var expand = 'expand' + first.toUpperCase() + others;   
                    if(panels[expand]) {   
                        if($(dom).layout('isVisible', expand)) {   
                            opts.regionState[region] = 1;   
                            panels[expand].panel('close');   
                        } else if($(dom).layout('isVisible', region)) {   
                            opts.regionState[region] = 0;   
                            panels[region].panel('close');   
                        }   
                    } else {   
                        panels[region].panel('close');   
                    }   
                    if(doResize){   
                        $(dom).layout('resize');   
                    }   
                };   
                if(region.toLowerCase() == 'all'){   
                    hide(this,'east',false);   
                    hide(this,'north',false);   
                    hide(this,'west',false);   
                    hide(this,'south',true);   
                }else{   
                    hide(this,region,true);   
                }   
            });   
        },   
        /**  
         * 显示某个region，center除外。  
         * @param {Object} jq  
         * @param {Object} params  
         */  
        show: function(jq, params) {   
            return jq.each(function() {   
                var opts = $.data(this, 'layout').options;   
                var panels = $.data(this, 'layout').panels;   
                var region = params;   
      
                function show(dom,region,doResize){   
                    var first = region.substring(0,1);   
                    var others = region.substring(1);   
                    var expand = 'expand' + first.toUpperCase() + others;   
                    if(panels[expand]) {   
                        if(!$(dom).layout('isVisible', expand)) {   
                            if(!$(dom).layout('isVisible', region)) {   
                                if(opts.regionState[region] == 1) {   
                                    panels[expand].panel('open');   
                                } else {   
                                    panels[region].panel('open');   
                                }   
                            }   
                        }   
                    } else {   
                        panels[region].panel('open');   
                    }   
                    if(doResize){   
                        $(dom).layout('resize');   
                    }   
                };   
                if(region.toLowerCase() == 'all'){   
                    show(this,'east',false);   
                    show(this,'north',false);   
                    show(this,'west',false);   
                    show(this,'south',true);   
                }else{   
                    show(this,region,true);   
                }   
            });   
        }   
    });  
</script>

$('#id').layout('hidden','north');   
$('#id').layout('show','north');