Subversion Repositories PHPX

Rev

Rev 51 | Rev 64 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
27 PointedEar 1
<?php
2
 
51 PointedEar 3
namespace PointedEars\PHPX;
4
 
27 PointedEar 5
/**
6
 * A general view handled by a controller according to the MVC pattern
7
 *
8
 * @author tlahn
9
 */
10
class View
11
{
12
  /**
13
   * Default template resource path
14
   *
15
   * @var string
16
   */
17
  protected $_template = '';
51 PointedEar 18
 
27 PointedEar 19
  /**
20
   * Content that can be inserted in the template
21
   *
22
   * @var string
23
   */
24
  protected $_content = '';
51 PointedEar 25
 
27 PointedEar 26
  /**
27
   * Template variables.  The variable name serves as item key, the item's value
28
   * is the variable value.
29
   *
30
   * @var array
31
   */
32
  protected $_template_vars = array();
51 PointedEar 33
 
27 PointedEar 34
  /**
35
   * Creates a new view
36
   *
37
   * @param string $template
38
   *   Template resource path
39
   */
40
  public function __construct($template)
41
  {
42
    $this->_template = $template;
43
  }
51 PointedEar 44
 
27 PointedEar 45
  /**
46
   * Magic setter method used for defining template variables
47
   *
48
   * @param string $name
49
   *   Variable name
50
   * @param mixed $value
51
   *   Variable value
52
   */
53
  public function __set($name, $value)
54
  {
55
    $this->_template_vars[$name] = $value;
56
  }
57
 
58
  /**
59
   * Magic getter method used for retrieving values of template variables
60
   *
61
   * @param string $name
62
   *   Variable name
63
   */
64
  public function __get($name)
65
  {
66
    return $this->_template_vars[$name];
67
  }
51 PointedEar 68
 
27 PointedEar 69
  /**
70
   * Returns <var>$v</var> with occurences of '&' (ampersand), '"' (double quote),
71
   * "'" (single quote), '<' (less than), and '>' (greater than) replaced by their
72
   * HTML character entity references, if any, or their numeric HTML character
73
   * reference (as required primarily in HTML for attribute values and element
74
   * content).
75
   *
76
   * @param mixed $value
77
   */
78
  public function escape($value)
79
  {
80
    if (is_array($value))
81
    {
82
      return array_map(array('self', 'escape'), $value);
83
    }
84
    else if (is_object($value))
85
    {
86
      if ($value instanceof AbstractModel)
87
      {
88
        foreach ($value->getPropertyVars() as $varName)
89
        {
90
          $value->$varName = self::escape($value->$varName);
91
        }
92
      }
51 PointedEar 93
 
27 PointedEar 94
      return $value;
95
    }
96
    else
97
    {
98
      if (is_string($value))
99
      {
100
        $encoding = mb_detect_encoding($value);
101
        if ($encoding === 'ASCII')
102
        {
103
          $encoding = 'ISO-8859-1';
104
        }
105
        return htmlspecialchars($value, ENT_QUOTES, $encoding);
106
      }
51 PointedEar 107
 
27 PointedEar 108
      return $value;
109
    }
110
  }
51 PointedEar 111
 
27 PointedEar 112
  /**
113
   * Assigns a value to a template variable
114
   *
115
   * @param string $name
116
   *   Variable name
117
   * @param mixed $value
118
   *   Variable value
119
   * @param bool $escape
120
   *   If <code>true</code>, replace all potentially conflicting characters
121
   *   in <var>$value</var> with their HTML entity references.  The default is
122
   *   <code>false</code>.
123
   * @return mixed The assigned value (after possible HTML encoding)
124
   * @see View::escape()
125
   */
126
  public function assign($name, $value, $escape = false)
127
  {
128
    if ($escape)
129
    {
130
      $value = $this->escape($value);
131
    }
132
 
133
    $this->$name = $value;
134
    return $value;
135
  }
51 PointedEar 136
 
27 PointedEar 137
  /**
138
   * Renders the view by including a template
139
   *
140
   * @param string $template
141
   *   Optional alternative template resource path.
142
   *   If not provided, the default template ($template property) will be used.
143
   * @throws Exception if no template has been defined before
144
   */
145
  public function render($template = null, $content = null)
146
  {
51 PointedEar 147
        if (!is_null($content))
27 PointedEar 148
    {
149
      ob_start();
150
        require_once $content;
151
        $this->_content = ob_get_contents();
152
      ob_end_clean();
153
    }
51 PointedEar 154
 
27 PointedEar 155
        if (!is_null($template))
156
        {
157
                require $template;
158
        }
159
    elseif ($this->_template)
160
    {
161
      require $this->_template;
162
    }
163
    else
164
    {
165
      throw new Exception('No template defined');
166
    }
167
  }
51 PointedEar 168
 
27 PointedEar 169
  /**
170
   * Returns the content for insertion into the template
171
   */
172
  public function getContent()
173
  {
174
    return $this->_content;
175
  }
51 PointedEar 176
 
27 PointedEar 177
  /**
178
   * @param string[optional] $controller
179
   * @param string[optional] $action
180
   * @param int[optional] $id
181
   * @see Application::getURL()
182
   */
183
  public function getURL($controller = null, $action = null, $id = null)
184
  {
185
    return Application::getInstance()->getURL($controller, $action, $id);
186
  }
187
}
188
 
189
?>