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   1  /**
   2   * Check for write permission for the selected plugin type
   3   *
   4   * @module      moodle-tool_installaddon-permcheck
   5   * @author      David Mudrak <david@moodle.com>
   6   */
   7  YUI.add('moodle-tool_installaddon-permcheck', function(Y) {
   8  
   9      M.tool_installaddon = M.tool_installaddon || {};
  10  
  11      /**
  12       * @class permcheck
  13       * @static
  14       */
  15      M.tool_installaddon.permcheck = {
  16  
  17          /**
  18           * @method init
  19           * @param {Object} config Configuration passed from the PHP
  20           */
  21          init : function(config) {
  22              this.config = config;
  23              var plugintypesel = Y.one('#tool_installaddon_installfromzip_plugintype');
  24              if (plugintypesel) {
  25                  plugintypesel.on('change', function() {
  26                      this.check_for_permission(plugintypesel);
  27                  }, this);
  28                  this.repeat_permcheck_icon = Y.Node.create('<div><a href="#repeat-permcheck"><img src="' + M.util.image_url('i/reload') + '" /> ' +
  29                      M.util.get_string('permcheckrepeat', 'tool_installaddon') + '</a></div>');
  30                  this.repeat_permcheck_icon.one('a').on('click', function(e) {
  31                      e.preventDefault();
  32                      this.check_for_permission(plugintypesel);
  33                  }, this);
  34              }
  35          },
  36  
  37          /**
  38           * @method check_for_permission
  39           * @param {Node} plugintypesel Plugin type selector node
  40           */
  41          check_for_permission : function(plugintypesel) {
  42              var plugintype = plugintypesel.get('value');
  43  
  44              if (plugintype == '') {
  45                  return;
  46              }
  47              Y.log('Selected plugin type: ' + plugintype, 'debug', 'moodle-tool_installaddon-permcheck');
  48              Y.io(this.config.permcheckurl, {
  49                  'method' : 'GET',
  50                  'data' : {
  51                      'sesskey' : M.cfg.sesskey,
  52                      'plugintype' : plugintype
  53                  },
  54                  'context' : this,
  55                  'on' : {
  56                      'start' : function(transid, args) {
  57                          this.showresult(M.util.get_string('permcheckprogress', 'tool_installaddon'), 'progress');
  58                      },
  59                      'success': function(transid, outcome, args) {
  60                          var response;
  61                          try {
  62                              response = Y.JSON.parse(outcome.responseText);
  63                              if (response.error) {
  64                                  Y.log(response.error, 'error', 'moodle-tool_installaddon-permcheck');
  65                                  this.showresult(M.util.get_string('permcheckerror', 'tool_installaddon', response), 'error');
  66                              } else if (response.path && response.writable == 1) {
  67                                  this.showresult(M.util.get_string('permcheckresultyes', 'tool_installaddon', response), 'success');
  68                              } else if (response.path && response.writable == 0) {
  69                                  this.showresult(M.util.get_string('permcheckresultno', 'tool_installaddon', response), 'error');
  70                              } else {
  71                                  Y.log(response, 'debug', 'moodle-tool_installaddon-permcheck');
  72                                  this.showresult(M.util.get_string('permcheckerror', 'tool_installaddon', response), 'error');
  73                              }
  74  
  75                          } catch (e) {
  76                              Y.log(e, 'error', 'moodle-tool_installaddon-permcheck');
  77                              this.showresult(M.util.get_string('permcheckerror', 'tool_installaddon'), 'error');
  78                          }
  79                      },
  80                      'failure': function(transid, outcome, args) {
  81                          Y.log(outcome.statusText, 'error', 'moodle-tool_installaddon-permcheck');
  82                          this.showresult(M.util.get_string('permcheckerror', 'tool_installaddon'));
  83                      }
  84                  }
  85              });
  86          },
  87  
  88          /**
  89           * @method showresult
  90           * @param {String} msg Message to display
  91           * @param {String} status Message status
  92           */
  93          showresult : function(msg, status) {
  94              var resultline = Y.one('#tool_installaddon_installfromzip_permcheck');
  95              if (resultline) {
  96                  if (status === 'success') {
  97                      resultline.setHTML('<span class="success"><img src="' + M.util.image_url('i/valid') + '" /> ' +
  98                          msg + '</span>');
  99                  } else if (status === 'progress') {
 100                      resultline.setHTML('<span class="progress"><img src="' + M.cfg.loadingicon + '" /> ' +
 101                          msg + '</span>');
 102                  } else {
 103                      resultline.setHTML('<span class="error"><img src="' + M.util.image_url('i/invalid') + '" /> ' +
 104                          msg + '</span>').append(this.repeat_permcheck_icon);
 105                  }
 106              }
 107          },
 108  
 109          /**
 110           * @property
 111           * @type {Y.Node}
 112           */
 113          repeat_permcheck_icon : null,
 114  
 115          /**
 116           * @property
 117           * @type {Object}
 118           */
 119          config : null
 120      };
 121  
 122  }, '@VERSION@', {
 123      requires:['node', 'event', 'io-base']
 124  });