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Diffstat (limited to 'src/js/util/mxUrlConverter.js')
| -rw-r--r-- | src/js/util/mxUrlConverter.js | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/src/js/util/mxUrlConverter.js b/src/js/util/mxUrlConverter.js new file mode 100644 index 0000000..764767f --- /dev/null +++ b/src/js/util/mxUrlConverter.js @@ -0,0 +1,141 @@ +/** + * $Id: mxUrlConverter.js,v 1.3 2012-08-24 17:10:41 gaudenz Exp $ + * Copyright (c) 2006-2010, JGraph Ltd + */ +/** + * + * Class: mxUrlConverter + * + * Converts relative and absolute URLs to absolute URLs with protocol and domain. + */ +var mxUrlConverter = function(root) +{ + /** + * Variable: enabled + * + * Specifies if the converter is enabled. Default is true. + */ + var enabled = true; + + /** + * Variable: baseUrl + * + * Specifies the base URL to be used as a prefix for relative URLs. + */ + var baseUrl = null; + + /** + * Variable: baseDomain + * + * Specifies the base domain to be used as a prefix for absolute URLs. + */ + var baseDomain = null; + + // Private helper function to update the base URL + var updateBaseUrl = function() + { + baseDomain = location.protocol + '//' + location.host; + baseUrl = baseDomain + location.pathname; + var tmp = baseUrl.lastIndexOf('/'); + + // Strips filename etc + if (tmp > 0) + { + baseUrl = baseUrl.substring(0, tmp + 1); + } + }; + + // Returns public interface + return { + + /** + * Function: isEnabled + * + * Returns <enabled>. + */ + isEnabled: function() + { + return enabled; + }, + + /** + * Function: setEnabled + * + * Sets <enabled>. + */ + setEnabled: function(value) + { + enabled = value; + }, + + /** + * Function: getBaseUrl + * + * Returns <baseUrl>. + */ + getBaseUrl: function() + { + return baseUrl; + }, + + /** + * Function: setBaseUrl + * + * Sets <baseUrl>. + */ + setBaseUrl: function(value) + { + baseUrl = value; + }, + + /** + * Function: getBaseDomain + * + * Returns <baseDomain>. + */ + getBaseDomain: function() + { + return baseUrl; + }, + + /** + * Function: setBaseDomain + * + * Sets <baseDomain>. + */ + setBaseDomain: function(value) + { + baseUrl = value; + }, + + /** + * Function: convert + * + * Converts the given URL to an absolute URL with protol and domain. + * Relative URLs are first converted to absolute URLs. + */ + convert: function(url) + { + if (enabled && url.indexOf('http://') != 0 && url.indexOf('https://') != 0 && url.indexOf('data:image') != 0) + { + if (baseUrl == null) + { + updateBaseUrl(); + } + + if (url.charAt(0) == '/') + { + url = baseDomain + url; + } + else + { + url = baseUrl + url; + } + } + + return url; + } + + }; + +};
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