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sturts_menu 的源代码 主要提过了常用的menu菜单样式

<a name="89" href="#89">89</a>      <em>/**</em>
<a name="90" href="#90">90</a>  <em>     * This will output the ending javascript statements defined in</em>
<a name="91" href="#91">91</a>  <em>     * &lt;code>END_STATEMENT&lt;/code> and &lt;code>SCRIPT_END&lt;/code></em>
<a name="92" href="#92">92</a>  <em>     */</em>
<a name="93" href="#93">93</a>      <strong>public</strong> <strong>void</strong> end(PageContext context) {
<a name="94" href="#94">94</a>          <strong>try</strong> {
<a name="95" href="#95">95</a>              out.print(END_STATEMENT);
<a name="96" href="#96">96</a>              out.print(SCRIPT_END);
<a name="97" href="#97">97</a>          } <strong>catch</strong> (Exception e) {}
<a name="98" href="#98">98</a>      }
<a name="99" href="#99">99</a>  
<a name="100" href="#100">100</a>     <strong>protected</strong> <strong>void</strong> buildMenuString(<a href="../../../../net/sf/navigator/menu/MenuComponent.html">MenuComponent</a> menu, StringBuffer sb,
<a name="101" href="#101">101</a>         <strong>boolean</strong> allowed) {
<a name="102" href="#102">102</a>         sb.append(menuMessage.format(getArgs(menu, allowed)));
<a name="103" href="#103">103</a>         sb.append((allowed) ? HOVER : DIS_HOVER);
<a name="104" href="#104">104</a>         sb.append(<span class="string">",'"</span>);
<a name="105" href="#105">105</a>         sb.append((menu.getOnclick() == <strong>null</strong>) ? EMPTY : menu.getOnclick());
<a name="106" href="#106">106</a>         sb.append(<span class="string">"')\n"</span>);
<a name="107" href="#107">107</a> 
<a name="108" href="#108">108</a>         <a href="../../../../net/sf/navigator/menu/MenuComponent.html">MenuComponent</a>[] subMenus = menu.getMenuComponents();
<a name="109" href="#109">109</a> 
<a name="110" href="#110">110</a>         <strong>if</strong> (subMenus.length > 0) {
<a name="111" href="#111">111</a>             <strong>for</strong> (<strong>int</strong> i = 0; i &lt; subMenus.length; i++) {
<a name="112" href="#112">112</a>                 buildMenuString(subMenus[i], sb,
<a name="113" href="#113">113</a>                     (allowed) ? isAllowed(subMenus[i]) : allowed);
<a name="114" href="#114">114</a>             }
<a name="115" href="#115">115</a>         }
<a name="116" href="#116">116</a>     }
<a name="117" href="#117">117</a> 
<a name="118" href="#118">118</a>     <strong>protected</strong> String[] getArgs(<a href="../../../../net/sf/navigator/menu/MenuComponent.html">MenuComponent</a> menu, <strong>boolean</strong> allowed) {
<a name="119" href="#119">119</a>         String[] args = <strong>new</strong> String[10];
<a name="120" href="#120">120</a>         args[0] = menu.getName();
<a name="121" href="#121">121</a>         args[1] = getParentName(menu);
<a name="122" href="#122">122</a>         args[2] = getTitle(menu);
<a name="123" href="#123">123</a>         args[3] =
<a name="124" href="#124">124</a>             (menu.getUrl() == <strong>null</strong>) ? EMPTY
<a name="125" href="#125">125</a>                                          : ((allowed) ? menu.getUrl() : EMPTY);
<a name="126" href="#126">126</a>         args[4] = getTarget(menu);
<a name="127" href="#127">127</a>         args[5] = EMPTY;
<a name="128" href="#128">128</a>         args[6] = EMPTY;
<a name="129" href="#129">129</a>         args[7] = (allowed) ? BGCOL_OFF : DIS_BGCOL_OFF;
<a name="130" href="#130">130</a>         args[8] = (allowed) ? BGCOL_ON : DIS_BGCOL_ON;
<a name="131" href="#131">131</a>         args[9] = (allowed) ? TXTCOL : DIS_TXTCOL;
<a name="132" href="#132">132</a> 
<a name="133" href="#133">133</a>         <strong>return</strong> args;
<a name="134" href="#134">134</a>     }
<a name="135" href="#135">135</a> 
<a name="136" href="#136">136</a>     <em>/**</em>
<a name="137" href="#137">137</a> <em>     * Return a translated title for the menu item that will contain</em>
<a name="138" href="#138">138</a> <em>     * the &lt;code>TOP_IMAGE&lt;/code> javscript variable if it is a parent</em>
<a name="139" href="#139">139</a> <em>     * menu with sub menus, or the &lt;code>SUB_IMAGE&lt;/code> variable if it</em>
<a name="140" href="#140">140</a> <em>     * is a sub menu with sub menus.</em>
<a name="141" href="#141">141</a> <em>     */</em>
<a name="142" href="#142">142</a>     <strong>protected</strong> String getTitle(<a href="../../../../net/sf/navigator/menu/MenuComponent.html">MenuComponent</a> menu) {
<a name="143" href="#143">143</a>         <strong>boolean</strong> hasSubMenus = false;
<a name="144" href="#144">144</a>         String title = getMessage(menu.getTitle());
<a name="145" href="#145">145</a> 
<a name="146" href="#146">146</a>         <strong>if</strong> (menu.getMenuComponents().length > 0) {
<a name="147" href="#147">147</a>             hasSubMenus = <strong>true</strong>;
<a name="148" href="#148">148</a> 
<a name="149" href="#149">149</a>             <strong>if</strong> (menu.getParent() == <strong>null</strong>) { <em class="comment">//then us the top image</em>
<a name="150" href="#150">150</a>                 title = title + <span class="string">"'+"</span> + TOP_IMAGE + <span class="string">"+'"</span>;
<a name="151" href="#151">151</a>             } <strong>else</strong> { <em class="comment">//use the sub menu image</em>
<a name="152" href="#152">152</a>                 title = title + <span class="string">"'+"</span> + SUB_IMAGE + <span class="string">"+'"</span>;
<a name="153" href="#153">153</a>             }
<a name="154" href="#154">154</a>         }
<a name="155" href="#155">155</a> 
<a name="156" href="#156">156</a>         <strong>return</strong> title;
<a name="157" href="#157">157</a>     }
<a name="158" href="#158">158</a> 
<a name="159" href="#159">159</a>     <strong>protected</strong> String getParentName(<a href="../../../../net/sf/navigator/menu/MenuComponent.html">MenuComponent</a> menu) {
<a name="160" href="#160">160</a>         String name = <strong>null</strong>;
<a name="161" href="#161">161</a> 
<a name="162" href="#162">162</a>         <strong>if</strong> (menu.getParent() == <strong>null</strong>) {
<a name="163" href="#163">163</a>             name = <span class="string">""</span>;
<a name="164" href="#164">164</a>         } <strong>else</strong> {
<a name="165" href="#165">165</a>             name = menu.getParent().getName();
<a name="166" href="#166">166</a>         }
<a name="167" href="#167">167</a> 
<a name="168" href="#168">168</a>         <strong>return</strong> name;
<a name="169" href="#169">169</a>     }
<a name="170" href="#170">170</a> 
<a name="171" href="#171">171</a>     <strong>protected</strong> String getTarget(<a href="../../../../net/sf/navigator/menu/MenuComponent.html">MenuComponent</a> menu) {
<a name="172" href="#172">172</a>         String theTarget = <strong>super</strong>.getTarget(menu);
<a name="173" href="#173">173</a> 
<a name="174" href="#174">174</a>         <strong>if</strong> (theTarget == <strong>null</strong>) {
<a name="175" href="#175">175</a>             theTarget = EMPTY;
<a name="176" href="#176">176</a>         }
<a name="177" href="#177">177</a> 
<a name="178" href="#178">178</a>         <strong>return</strong> theTarget;
<a name="179" href="#179">179</a>     }
<a name="180" href="#180">180</a> }
</pre>
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