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<title>jQuery右键菜单插件context.js - 网页模板</title>
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<h1>context.js</h1>
<div id="download">Right Click to Demo <span class="amp">&</span> Download</div>
<div class="description">
<h2>About</h2>
<p>ContextJS is a lightweight solution for contextual menus. Currently, there are two versions.</p> <p>The first is to be used <i>with</i> Twitters Bootstrap (bootstrap.css specifically). If you do not use or want to use bootstrap.css, there is a standalone stylesheet to give the menu it's base styles.</p>
<h2>Features</h2>
<ul>
<li>Linted: Valid JS</li>
<li>Can be used with or without Twitters Bootstrap.css</li>
<li>Event Based Links</li>
<li>Anchor Links</li>
<li>Headers</li>
<li>Dividers</li>
<li>Recursive Menus (infinite depth)</li>
<li>Vertical Space Detection (turns into a "dropup")</li>
<li>Horizontal Space Detection (Drops to the left instead of right)</li>
<li>Add/Delete menus Dynamically</li>
</ul>
<h2>Public API</h2>
<h3>Initializing</h3>
<pre>context.init({
fadeSpeed: 100,
filter: function ($obj){},
above: 'auto',
preventDoubleContext: true,
compress: false
});</pre>
<table border="1" cellpadding="6">
<thead>
<tr>
<th>Paramater</th>
<th>Type</th>
<th>Default</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>fadeSpeed</td>
<td>int</td>
<td>100</td>
<td>The speed in which the context menu fades in (in milliseconds)</td>
</tr>
<tr>
<td>filter</td>
<td>function</td>
<td>null</td>
<td>Function that each finished list element will pass through for extra modification.</td>
</tr>
<tr>
<td>above</td>
<td>string || boolean</td>
<td>'auto'</td>
<td>If set to 'auto', menu will appear as a "dropup" if there is not enough room below it. Settings to true will make the menu a "popup" by default.</td>
</tr>
<tr>
<td>preventDoubleContext</td>
<td>boolean</td>
<td>true</td>
<td>If set to true, browser-based context menus will not work on contextjs menus.</td>
</tr>
<tr>
<td>compress</td>
<td>boolean</td>
<td>false</td>
<td>If set to true, context menus will have less padding, making them (hopefully) more unobtrusive</td>
</tr>
</tbody>
</table>
<h3>Updating Settings</h3>
<pre>context.settings({initSettings});</pre>
<table border="1" cellpadding="6">
<thead>
<tr>
<th>Paramater</th>
<th>Type</th>
<th>Default</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>settings</td>
<td>object</td>
<td>null</td>
<td>The init settings can be placed in here to update context menus written to the DOM. Changing settings between attaching menus will give the menus their own options.</td>
</tr>
</tbody>
</table>
<h3>Attaching</h3>
<pre>context.attach('#download', [menuObjects]);</pre>
<table border="1" cellpadding="6">
<thead>
<tr>
<th>Paramater</th>
<th>Type</th>
<th>Default</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>selector</td>
<td>string</td>
<td>null</td>
<td>The jQuery (or css) selector of the element you want to apply the context menu to</td>
</tr>
<tr>
<td>menuObjects</td>
<td>array</td>
<td>null</td>
<td>An array of objects that define the menus structure</td>
</tr>
</tbody>
</table>
<h3>Destroying</h3>
<pre>context.destroy('#download');</pre>
<table border="1" cellpadding="6">
<thead>
<tr>
<th>Paramater</th>
<th>Type</th>
<th>Default</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td>selector</td>
<td>string</td>
<td>null</td>
<td>The jQuery (or css) selector of the element you want to remove the context menu from</td>
</tr>
</tbody>
</table>
<h2>Menu Objects</h2>
<h3>Headers</h3>
<pre>{
header: 'My Header Title'
}</pre>
<h3>Anchor Links</h3>
<pre>{
text: 'My Link Title',
href: 'http://contextjs.com/',
target: '_blank'
}</pre>
<h3>Dividers</h3>
<pre>{
divider: true
}</pre>
<h3>Event Based Actions</h3>
<pre>{
text: 'Event Based Link',
action: function(e){
e.preventDefault();
alert('Do Something');
}
}</pre>
<h3>Sub-Menus</h3>
<pre>{
text: 'My Sub-menu',
subMenu: [menuObjects]
}</pre>
<h3>Tracking Links with Google Analytics</h3>
<pre>{
text: 'context.js',
href: 'http://contextjs.com/context.js',
target:'_blank',
action: function(e){
_gaq.push(['_trackEvent', 'ContextJS Download', this.pathname, this.innerHTML]);
}
}</pre>
<h2>Changelog</h2>
<h3>Version 1.0 (Initial Release)</h3>
<h3>Version 1.5</h3>
<ul>
<li>Added Initialize Options</li>
<li>Removal of Dropdown ID paramater</li>
<li>Added Event-based items</li>
<li>Added Headers</li>
<li>Added Recursive Menus</li>
<li>Vertical Space Detection</li>
</ul>
<h3>Version 2.0</h3>
<ul>
<li>Refined Vertical Space Detection</li>
<li>Added Horizontal Space Detection</li>
<li>Added an optional standalone CSS file for use without bootstrap</li>
<li>Added preventDoubleContext parameter in the init function</li>
<li>Added target parameter to links</li>
<li>Fixed event bubbling (multi-level dropdowns in the DOM)</li>
</ul>
<h3>Version 2.1</h3>
<ul>
<li>Added settings function</li>
<li>Added compressed code <span class="amp">&</span> styles</li>
<li>Cleaned up context.js code</li>
</ul>
<h3>Version 2.1.1</h3>
<ul>
<li>Fixed multiple menus becoming visible</li>
<li>Refined Support for IE7 <span class="amp">&</span> IE8</li>
</ul>
<h2>Notes</h2>
<ul>
<li>Stray trailing commas are disliked by IE. Make sure when creating your menu, you take that into account, elsewise, you will get the <code>SCRIPT5007: Unable to get value of the property</code> error.</li>
</ul>
</div>
<script src="js/jquery.min.js"></script>
<script src="js/context.js"></script>
<script src="js/demo.js"></script>
<div style="text-align:center;margin:50px 0; font:normal 14px/24px 'MicroSoft YaHei';">
<p>适用浏览器:IE8、360、FireFox、Chrome、Safari、Opera、傲游、搜狗、世界之窗.</p>
<p>来源:<a href="http://www.moobnn.com/" target="_blank">网页模板</a></p>
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jQuery右键菜单插件context.js.zip
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