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Liferay Portal为我们提供了非常灵活的主题风格定制功能,自身带了四种风格的theme,在官方网站上提供了很多风格theme的下载,这无疑大大增强了主题风格定制的功能。但是,我们完全可以开发具有自己风格的theme,这里,我们将讨论怎样来开发个性的theme。

第一步:我们将以现有风格classic为模板文件创建新的theme,我们将新theme命名为coldtear
1、将liferay/html/themes目录下的classic文件夹copy一份副本,并修改副本的文件夹名为coldtea
2、在liferay/web-inf目录下新建liferay-look-and-feel-ext.xml文件,文件liferay-look-and-feel.xml是定义主题风格theme的配置文件,为了加以区分,我们在这里新建了该文件的扩展文件liferay-look-and-feel-ext.xml,该文件内容如下:
<?xml version="1.0"?>
<!DOCTYPE look-and-feel PUBLIC "-//Liferay//DTD Look and Feel 4.0.0//EN" "http://www.liferay.com/dtd/liferay-look-and-feel_4_0_0.dtd">

<look-and-feel>
    
<compatibility>
        
<version>4.0.0</version>
    
</compatibility>
    
<company-limit>
        
<company-includes />
        
<company-excludes />
    
</company-limit>
    
<theme id="coldtear" name="ColdTear">
        
<root-path>/html/themes/coldtear</root-path>
        
<templates-path>/html/themes/coldtear/templates</templates-path>
        
<images-path>/html/themes/coldtear/images</images-path>
        
<template-extension>jsp</template-extension>
        
<color-scheme id="01" name="Blue">
            
<![CDATA[
                body
-bg=#FFFFFF
                
                layout
-bg=#FFFFFF
                layout
-text=#000000

                layout
-tab-bg=#E0E0E0
                layout
-tab-text=#000000

                layout
-tab-selected-bg=#6699CC
                layout
-tab-selected-text=#4A517D

                portlet
-title-bg=#6699CC
                portlet
-title-text=#4A517D

                portlet
-menu-bg=#B6CBEB
                portlet
-menu-text=#000000

                portlet
-bg=#FFFFFF

                portlet
-font=#000000
                portlet
-font-dim=#C4C4C4

                portlet
-msg-status=#000000
                portlet
-msg-info=#000000
                portlet
-msg-error=#FF0000
                portlet
-msg-alert=#FF0000
                portlet
-msg-success=#007F00

                portlet
-section-header=#094170
                portlet
-section-header-bg=#ADBDFB

                portlet
-section-subheader=#405278
                portlet
-section-subheader-bg=#91AEE8

                portlet
-section-body=#000000
                portlet
-section-body-bg=#E2E7FA

                portlet
-section-body-hover=#FFFFFF
                portlet
-section-body-hover-bg=#AC6CFA

                portlet
-section-alternate=#000000
                portlet
-section-alternate-bg=#CFD7FB

                portlet
-section-alternate-hover=#FFFFFF
                portlet
-section-alternate-hover-bg=#AC6CFA

                portlet
-section-selected=#7AA0EC
                portlet
-section-selected-bg=#FAFCFE

                portlet
-section-selected-hover=#00329A
                portlet
-section-selected-hover-bg=#C0D2F7
            ]]
>
        
</color-scheme>
    
</theme>
</look-and-feel>
这里,注意的是修改theme的id和name,以及root-path、templates-path和images-path的路径,这样,我们就可以在主题风格页面看到我们新的theme了。

第二步、分析classic的主题布局的划分
1、打开liferay/html/theme/coldtear/templates目录,该目录下存放着很多jsp文件,打开portal_normal.jsp文件可以看到,该文件是整个页面的主体,通过<liferay-util:include />标签和<%@ include>方法包含了很多jsp文件,其中top.jsp文件定义了头部信息,navigation.jsp定义了导航菜单,bottom.jsp定义了底部语言标签信息,而页面的主体信息是由<liferay-theme:box />标签定义的,top="portlet_top.jsp"定义了portlet的标题栏信息,bottom="portlet_bottom.jsp"定义了portlet下面的阴影线,portlet的内容则是由<liferay-util:include page="<%= Constants.TEXT_HTML_DIR + tilesContent %>" />定义的。所有的css样式信息是定义在css_cached.jsp文件中的。
2、liferay portal的页面定义大部分地方都采用了DIV+CSS的方式,下面将以classic的整个DIV定义框架给出,以说明classic风格的定义方法。
<div id="layout-outer-side-decoration">
<div id="layout-inner-side-decoration">
<div id="layout-box">
    
<!-- 定义头部信息 top.jsp -->
    
<div id="layout-top-banner">
        
<div id="layout-user-menu" style="text-align: right;">
            
<div class="font-small" style="margin-top: 5px;">
                
<div id="layout-my-places">
                    
<div id="p_p_id_49_" class="portlet-boundary">
                        
<div class="portlet-borderless-container">
                        
</div>
                    
</div>
                
</div>
            
</div>
        
</div>
    
</div>
    
<!-- 定义导航菜单 navigation.jsp -->
    
<div id="layout-nav-container">
        
<div class="layout-nav-tabs-box">
            
<div class="layout-tab"></div>
            
<div class="layout-tab"></div>
            
<div class="layout-tab-selected"></div>
            
<div class="layout-tab"></div>
        
</div>
        
<div id="layout-global-search"></div>
    
</div>
    
<div class="portlet-bottom-decoration-2"><div><div></div></div></div>
    
<!-- 定义主体portlet信息部分  -->
    
<div id="layout-content-outer-decoration">
        
<div id="layout-content-inner-decoration">
            
<div id="layout-content-container">
                
<div id="layout-column_column-1">
                    
<div id="p_p_id_73_INSTANCE_9Q28_" class="portlet-boundary">
                        
<div class="portlet-container">
                            
<!-- 定义portlet标题栏信息 portlet-top.jsp -->
                            
<div class="portlet-header-bar" id="portlet-header-bar_73_INSTANCE_9Q28" onmouseover="PortletHeaderBar.show(this.id)" onmouseout="PortletHeaderBar.hide(this.id)">
                                
<div class="portlet-wrap-title">
                                
</div>
                                
<div class="portlet-small-icon-bar" style="display: none;">
                                
</div>
                            
</div>
                            
<!-- 定义portlet内容信息  -->
                            
<div class="portlet-box">
                                
<div class="portlet-minimum-height">
                                    
<div id="p_p_body_73_INSTANCE_9Q28" >
                                        
<div class="slide-maximize-reference">
                                            
<div id="p_p_content_73_INSTANCE_9Q28_" style="margin-top: 0; margin-bottom: 0;">
                                            
</div>
                                        
</div><!-- slide-maximize-reference -->
                                    
</div>
                                
</div>
                            
</div><!-- end portlet-box -->
                            
<!-- 定义portlet底部阴影线 portlet-bottom.jsp -->
                            
<div class="portlet-bottom-decoration-2"><div><div></div></div></div>
                        
</div><!-- End portlet-container -->
                    
</div>
                    
<!-- 定义一个空的portlet区域 -->
                    
<div class="layout-blank-portlet"></div>
                
</div>
            
</div>
        
</div>
    
</div>
    
<!-- 定义底部信息 bottom.jsp -->
    
<div id="layout-bottom-container"></div>
</div><!-- End layout-box -->
</div>
</div><!-- End layout-outer-side-decoration -->
这里我们可以看到classic的整体DIV定义框架,注释部分对每个部分的定义都做了区分。

第三步、根据这样一个结构,我们可以设计自定义theme风格的结构,然后将各个区域细化到各个jsp文件中,并配以特定的图片和样式就可以实现自定义theme,为了达到更好的显示效果,需要教好的掌握CSS的各个属性和使用方法。

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