171 lines
4.3 KiB
PHP
171 lines
4.3 KiB
PHP
<?php
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//参考：http://www.w3schools.com/bootstrap/bootstrap_navbar.asp
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class MenuItem
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{
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private $text=null;
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private $link=null;
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private $sub_menu=null;
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public function __construct()
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{
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$a = func_get_args();
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$i = func_num_args();
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if (method_exists($this,$f='__construct'.$i))
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call_user_func_array(array($this,$f),$a);
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}
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public function __construct1($s)
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{
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$this->sub_menu=$s;
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}
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public function __construct2($t,$l)
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{
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$this->Set($t,$l);
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}
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public function __construct3($t,$l,$s)
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{
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$this->Set($t,$l);
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$this->sub_menu=$s;
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}
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public function Set($t,$l)
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{
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$this->text=$t;
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$this->link=$l;
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}
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public function IsSeparator()
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{
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if($this->text==null
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&&$this->link==null)
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return(true);
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else
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return(false);
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}
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public function SetSubMenu($sm)
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{
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$this->sub_menu=$sm;
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}
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public function GetText()
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{
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return $this->text;
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}
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public function GetLink()
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{
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return $this->link;
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}
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public function GetSubMenu()
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{
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return $this->sub_menu;
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}
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};//class MenuItem
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class UINavBar
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{
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private $style="navbar-default";
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private $fix_top=true;
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private $brand=null;
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private $brand_link=null;
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private $menu=null;
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private $active=null;
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public function __construct($m,$a)
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{
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$this->menu=$m;
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$this->active=$a;
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}
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public function set_style($s)
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{
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if($s==null||strlen($s)<=0)
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$this->style="";
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else
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$this->style="navbar-".$s;
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}
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/**
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* @b 标题文本
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* @l 标题链接
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*/
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public function set_brand($b,$l)
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{
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$this->brand=$b;
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$this->brand_link=$l;
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}
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private function echo_menu($m)
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{
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if($m==null)return;
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foreach($m as $mi)
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{
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$sub_menu=$mi->GetSubMenu();
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if($sub_menu!=null) //子菜单
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{
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echo '<li class="dropdown">
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<a class="dropdown-toggle" data-toggle="dropdown" href="'.$mi->GetLink().'" role="button" aria-haspopup="true" aria-expanded="false">'.$mi->GetText().'
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<span class="caret"></span></a>
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<ul class="dropdown-menu">';
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$this->echo_menu($sub_menu);
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echo '</ul>
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</li>';
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}
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else
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{
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if($mi->IsSeparator())
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{
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echo '<li role="separator" class="divider"></li>';
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}
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else
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{
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if($this->active==$mi->GetLink())
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echo '<li class="active">';
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else
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echo '<li>';
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echo '<a href="'.$mi->GetLink().'">'.$mi->GetText().'</a></li>';
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}
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}
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}
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}
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public function out_html()
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{
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echo '<nav class="navbar '.$this->style.'">
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<div class="container-fluid">';
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if($this->brand!=null&&strlen($this->brand)>0)
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{
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echo '<div class="navbar-header">';
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if($this->brand_link!=null&&strlen($this->brand_link)>0)
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echo '<a class="navbar-brand" href="'.$this->brand_link.'">'.$this->brand.'</a>';
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else
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echo '<font class="navbar-brand">'.$this->brand.'</font>';
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echo '</div>';
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}
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echo '<div class="navbar-collapse">
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<ul class="nav navbar-nav">';
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if($this->menu!=null)
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$this->echo_menu($this->menu->GetSubMenu());
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echo '</ul>
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</div>
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</div>
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</nav>';
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}
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};//class UINavBar
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