phpmyadmin/js/get_image.js.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * Provides the functionality for retreiving images
   5  * which may be actual images or an icon from a sprite
   6  *
   7  * @package PhpMyAdmin
   8  */
   9 chdir('..');
  10
  11 // Send correct type:
  12 header('Content-Type: text/javascript; charset=UTF-8');
  13 header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 3600) . ' GMT');
  14
  15 // Avoid loading the full common.inc.php because this would add many
  16 // non-js-compatible stuff like DOCTYPE
  17 define('PMA_MINIMUM_COMMON', true);
  18 require_once './libraries/common.inc.php';
  19
  20 require_once './libraries/OutputBuffering.class.php';
  21 $buffer = PMA_OutputBuffering::getInstance();
  22 $buffer->start();
  23 register_shutdown_function(
  24     function () {
  25         echo PMA_OutputBuffering::getInstance()->getContents();
  26     }
  27 );
  28
  29 // Get the data for the sprites, if it's available
  30 if (is_readable($_SESSION['PMA_Theme']->getPath() . '/sprites.lib.php')) {
  31     include $_SESSION['PMA_Theme']->getPath() . '/sprites.lib.php';
  32 }
  33 $sprites = array();
  34 if (function_exists('PMA_sprites')) {
  35     $sprites = PMA_sprites();
  36 }
  37 // We only need the keys from the array of sprites data,
  38 // since they contain the (partial) class names
  39 $keys = array();
  40 foreach ($sprites as $key => $value) {
  41     $keys[] = "'$key'";
  42 }
  43
  44 ?>
  45 /**
  46  * Returns an HTML IMG tag for a particular image from a theme,
  47  * which may be an actual file or an icon from a sprite
  48  *
  49  * @param string image      The name of the file to get
  50  * @param string alternate  Used to set 'alt' and 'title' attributes of the image
  51  * @param object attributes An associative array of other attributes
  52  *
  53  * @return Object The requested image, this object has two methods:
  54  *                  .toString()        - Returns the IMG tag for the requested image
  55  *                  .attr(name)        - Returns a particular attribute of the IMG
  56  *                                       tag given it's name
  57  *                  .attr(name, value) - Sets a particular attribute of the IMG
  58  *                                       tag to the given value
  59  *                And one property:
  60  *                  .isSprite          - Whether the image is a sprite or not
  61  */
  62 function PMA_getImage(image, alternate, attributes) {
  63     var in_array = function (needle, haystack) {
  64         for (var i in haystack) {
  65             if (haystack[i] == needle) {
  66                 return true;
  67             }
  68         }
  69         return false;
  70     };
  71     var sprites = [
  72         <?php echo implode($keys, ",\n        ") . "\n"; ?>
  73     ];
  74     // custom image object, it will eventually be returned by this functions
  75     var retval = {
  76         data: {
  77             // this is private
  78             alt: '',
  79             title: '',
  80             src: (typeof PMA_TEST_THEME == 'undefined' ? '' : '../')
  81                 + 'themes/dot.gif'
  82         },
  83         isSprite: true,
  84         attr: function (name, value) {
  85             if (value == undefined) {
  86                 if (this.data[name] == undefined) {
  87                     return '';
  88                 } else {
  89                     return this.data[name];
  90                 }
  91             } else {
  92                 this.data[name] = value;
  93             }
  94         },
  95         toString: function () {
  96             var retval = '<' + 'img';
  97             for (var i in this.data) {
  98                 retval += ' ' + i + '="' + this.data[i] + '"';
  99             }
 100             retval += ' /' + '>';
 101             return retval;
 102         }
 103     };
 104     // initialise missing parameters
 105     if (attributes == undefined) {
 106         attributes = {};
 107     }
 108     if (alternate == undefined) {
 109         alternate = '';
 110     }
 111     // set alt
 112     if (attributes.alt != undefined) {
 113         retval.attr('alt', attributes.alt);
 114     } else {
 115         retval.attr('alt', alternate);
 116     }
 117     // set title
 118     if (attributes.title != undefined) {
 119         retval.attr('title', attributes.title);
 120     } else {
 121         retval.attr('title', alternate);
 122     }
 123     // set src
 124     var klass = image.replace('.gif', '').replace('.png', '');
 125     if (in_array(klass, sprites)) {
 126         // it's an icon from a sprite
 127         retval.attr('class', 'icon ic_' + klass);
 128     } else {
 129         // it's an image file
 130         retval.isSprite = false;
 131         retval.attr(
 132             'src',
 133             "<?php echo $_SESSION['PMA_Theme']->getImgPath(); ?>" + image
 134         );
 135     }
 136     // set all other attrubutes
 137     for (var i in attributes) {
 138         if (i == 'src') {
 139             // do not allow to override the 'src' attribute
 140             continue;
 141         }
 142
 143         if (i == 'class') {
 144             retval.attr(i, retval.attr('class') + ' ' + attributes[i]);
 145         } else {
 146             retval.attr(i, attributes[i]);
 147         }
 148     }
 149
 150     return retval;
 151 }
 152 //