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TiddlyWiki5/editions/tw2/source/tiddlywiki/js/AdaptorBase.js

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//--
//-- Server adaptor base class
//--
function AdaptorBase()
{
this.host = null;
this.store = null;
return this;
}
AdaptorBase.prototype.close = function()
{
return true;
};
AdaptorBase.prototype.fullHostName = function(host)
{
if(!host)
return '';
host = host.trim();
if(!host.match(/:\/\//))
host = 'http://' + host;
if(host.substr(host.length-1) == '/')
host = host.substr(0,host.length-1);
return host;
};
AdaptorBase.minHostName = function(host)
{
return host;
};
AdaptorBase.prototype.setContext = function(context,userParams,callback)
{
if(!context) context = {};
context.userParams = userParams;
if(callback) context.callback = callback;
context.adaptor = this;
if(!context.host)
context.host = this.host;
context.host = this.fullHostName(context.host);
if(!context.workspace)
context.workspace = this.workspace;
return context;
};
// Open the specified host
//# host - uri of host (eg, "http://www.tiddlywiki.com/" or "www.tiddlywiki.com")
//# context is itself passed on as a parameter to the callback function
//# userParams - user settable object object that is passed on unchanged to the callback function
//# callback - optional function to be called on completion
//# Return value is true if the request was successfully issued, false if this connector doesn't support openHost(),
//# or an error description string if there was a problem
//# The callback parameters are callback(context)
//# context.status - true if OK, string if error
//# context.adaptor - reference to this adaptor object
//# userParams - parameters as originally passed into the openHost function
AdaptorBase.prototype.openHost = function(host,context,userParams,callback)
{
this.host = host;
context = this.setContext(context,userParams,callback);
context.status = true;
if(callback)
window.setTimeout(function() {context.callback(context,userParams);},10);
return true;
};
// Open the specified workspace
//# workspace - name of workspace to open
//# context - passed on as a parameter to the callback function
//# userParams - user settable object object that is passed on unchanged to the callback function
//# callback - function to be called on completion
//# Return value is true if the request was successfully issued
//# or an error description string if there was a problem
//# The callback parameters are callback(context,userParams)
//# context.status - true if OK, false if error
//# context.statusText - error message if there was an error
//# context.adaptor - reference to this adaptor object
//# userParams - parameters as originally passed into the openWorkspace function
AdaptorBase.prototype.openWorkspace = function(workspace,context,userParams,callback)
{
this.workspace = workspace;
context = this.setContext(context,userParams,callback);
context.status = true;
if(callback)
window.setTimeout(function() {callback(context,userParams);},10);
return true;
};