Software: Apache. PHP/5.5.15 uname -a: Windows NT SVR-DMZ 6.1 build 7600 (Windows Server 2008 R2 Enterprise Edition) i586 SYSTEM Safe-mode: OFF (not secure) E:\nuevo\phpMyAdmin2\js\openlayers\src\openlayers\lib\OpenLayers\Protocol\ drwxrwxrwx | |
| Viewing file: Select action/file-type: /* Copyright (c) 2006-2010 by OpenLayers Contributors (see authors.txt for
* full list of contributors). Published under the Clear BSD license.
* See http://svn.openlayers.org/trunk/openlayers/license.txt for the
* full text of the license. */
/**
* @requires OpenLayers/Protocol.js
* @requires OpenLayers/Feature/Vector.js
* @requires OpenLayers/Filter/Spatial.js
* @requires OpenLayers/Filter/Comparison.js
* @requires OpenLayers/Filter/Logical.js
* @requires OpenLayers/Request/XMLHttpRequest.js
*/
/**
* Class: OpenLayers.Protocol.HTTP
* A basic HTTP protocol for vector layers. Create a new instance with the
* <OpenLayers.Protocol.HTTP> constructor.
*
* Inherits from:
* - <OpenLayers.Protocol>
*/
OpenLayers.Protocol.HTTP = OpenLayers.Class(OpenLayers.Protocol, {
/**
* Property: url
* {String} Service URL, read-only, set through the options
* passed to constructor.
*/
url: null,
/**
* Property: headers
* {Object} HTTP request headers, read-only, set through the options
* passed to the constructor,
* Example: {'Content-Type': 'plain/text'}
*/
headers: null,
/**
* Property: params
* {Object} Parameters of GET requests, read-only, set through the options
* passed to the constructor,
* Example: {'bbox': '5,5,5,5'}
*/
params: null,
/**
* Property: callback
* {Object} Function to be called when the <read>, <create>,
* <update>, <delete> or <commit> operation completes, read-only,
* set through the options passed to the constructor.
*/
callback: null,
/**
* Property: scope
* {Object} Callback execution scope, read-only, set through the
* options passed to the constructor.
*/
scope: null,
/**
* Property: readWithPOST
* {Boolean} true if read operations are done with POST requests
* instead of GET, defaults to false.
*/
readWithPOST: false,
/**
* Property: wildcarded.
* {Boolean} If true percent signs are added around values
* read from LIKE filters, for example if the protocol
* read method is passed a LIKE filter whose property
* is "foo" and whose value is "bar" the string
* "foo__ilike=%bar%" will be sent in the query string;
* defaults to false.
*/
wildcarded: false,
/**
* Constructor: OpenLayers.Protocol.HTTP
* A class for giving layers generic HTTP protocol.
*
* Parameters:
* options - {Object} Optional object whose properties will be set on the
* instance.
*
* Valid options include:
* url - {String}
* headers - {Object}
* params - {Object}
* format - {<OpenLayers.Format>}
* callback - {Function}
* scope - {Object}
*/
initialize: function(options) {
options = options || {};
this.params = {};
this.headers = {};
OpenLayers.Protocol.prototype.initialize.apply(this, arguments);
},
/**
* APIMethod: destroy
* Clean up the protocol.
*/
destroy: function() {
this.params = null;
this.headers = null;
OpenLayers.Protocol.prototype.destroy.apply(this);
},
/**
* APIMethod: read
* Construct a request for reading new features.
*
* Parameters:
* options - {Object} Optional object for configuring the request.
* This object is modified and should not be reused.
*
* Valid options:
* url - {String} Url for the request.
* params - {Object} Parameters to get serialized as a query string.
* headers - {Object} Headers to be set on the request.
* filter - {<OpenLayers.Filter>} Filter to get serialized as a
* query string.
* readWithPOST - {Boolean} If the request should be done with POST.
*
* Returns:
* {<OpenLayers.Protocol.Response>} A response object, whose "priv" property
* references the HTTP request, this object is also passed to the
* callback function when the request completes, its "features" property
* is then populated with the the features received from the server.
*/
read: function(options) {
OpenLayers.Protocol.prototype.read.apply(this, arguments);
options = OpenLayers.Util.applyDefaults(options, this.options);
options.params = OpenLayers.Util.applyDefaults(
options.params, this.options.params);
if(options.filter) {
options.params = this.filterToParams(
options.filter, options.params);
}
var readWithPOST = (options.readWithPOST !== undefined) ?
options.readWithPOST : this.readWithPOST;
var resp = new OpenLayers.Protocol.Response({requestType: "read"});
if(readWithPOST) {
resp.priv = OpenLayers.Request.POST({
url: options.url,
callback: this.createCallback(this.handleRead, resp, options),
data: OpenLayers.Util.getParameterString(options.params),
headers: {
"Content-Type": "application/x-www-form-urlencoded"
}
});
} else {
resp.priv = OpenLayers.Request.GET({
url: options.url,
callback: this.createCallback(this.handleRead, resp, options),
params: options.params,
headers: options.headers
});
}
return resp;
},
/**
* Method: handleRead
* Individual callbacks are created for read, create and update, should
* a subclass need to override each one separately.
*
* Parameters:
* resp - {<OpenLayers.Protocol.Response>} The response object to pass to
* the user callback.
* options - {Object} The user options passed to the read call.
*/
handleRead: function(resp, options) {
this.handleResponse(resp, options);
},
/**
* Method: filterToParams
* Convert an <OpenLayers.Filter> object to parameters.
*
* Parameters:
* filter - {OpenLayers.Filter} filter to convert.
* params - {Object} The parameters object.
*
* Returns:
* {Object} The resulting parameters object.
*/
filterToParams: function(filter, params) {
params = params || {};
var className = filter.CLASS_NAME;
var filterType = className.substring(className.lastIndexOf(".") + 1);
switch(filterType) {
case "Spatial":
switch(filter.type) {
case OpenLayers.Filter.Spatial.BBOX:
params.bbox = filter.value.toArray();
break;
case OpenLayers.Filter.Spatial.DWITHIN:
params.tolerance = filter.distance;
// no break here
case OpenLayers.Filter.Spatial.WITHIN:
params.lon = filter.value.x;
params.lat = filter.value.y;
break;
default:
OpenLayers.Console.warn(
"Unknown spatial filter type " + filter.type);
}
break;
case "Comparison":
var op = OpenLayers.Protocol.HTTP.COMP_TYPE_TO_OP_STR[filter.type];
if(op !== undefined) {
var value = filter.value;
if(filter.type == OpenLayers.Filter.Comparison.LIKE) {
value = this.regex2value(value);
if(this.wildcarded) {
value = "%" + value + "%";
}
}
params[filter.property + "__" + op] = value;
params.queryable = params.queryable || [];
params.queryable.push(filter.property);
} else {
OpenLayers.Console.warn(
"Unknown comparison filter type " + filter.type);
}
break;
case "Logical":
if(filter.type === OpenLayers.Filter.Logical.AND) {
for(var i=0,len=filter.filters.length; i<len; i++) {
params = this.filterToParams(filter.filters[i], params);
}
} else {
OpenLayers.Console.warn(
"Unsupported logical filter type " + filter.type);
}
break;
default:
OpenLayers.Console.warn("Unknown filter type " + filterType);
}
return params;
},
/**
* Method: regex2value
* Convert the value from a regular expression string to a LIKE/ILIKE
* string known to the web service.
*
* Parameters:
* value - {String} The regex string.
*
* Returns:
* {String} The converted string.
*/
regex2value: function(value) {
// highly sensitive!! Do not change this without running the
// Protocol/HTTP.html unit tests
// convert % to \%
value = value.replace(/%/g, "\\%");
// convert \\. to \\_ (\\.* occurences converted later)
value = value.replace(/\\\\\.(\*)?/g, function($0, $1) {
return $1 ? $0 : "\\\\_";
});
// convert \\.* to \\%
value = value.replace(/\\\\\.\*/g, "\\\\%");
// convert . to _ (\. and .* occurences converted later)
value = value.replace(/(\\)?\.(\*)?/g, function($0, $1, $2) {
return $1 || $2 ? $0 : "_";
});
// convert .* to % (\.* occurnces converted later)
value = value.replace(/(\\)?\.\*/g, function($0, $1) {
return $1 ? $0 : "%";
});
// convert \. to .
value = value.replace(/\\\./g, ".");
// replace \* with * (watching out for \\*)
value = value.replace(/(\\)?\\\*/g, function($0, $1) {
return $1 ? $0 : "*";
});
return value;
},
/**
* APIMethod: create
* Construct a request for writing newly created features.
*
* Parameters:
* features - {Array({<OpenLayers.Feature.Vector>})} or
* {<OpenLayers.Feature.Vector>}
* options - {Object} Optional object for configuring the request.
* This object is modified and should not be reused.
*
* Returns:
* {<OpenLayers.Protocol.Response>} An <OpenLayers.Protocol.Response>
* object, whose "priv" property references the HTTP request, this
* object is also passed to the callback function when the request
* completes, its "features" property is then populated with the
* the features received from the server.
*/
create: function(features, options) {
options = OpenLayers.Util.applyDefaults(options, this.options);
var resp = new OpenLayers.Protocol.Response({
reqFeatures: features,
requestType: "create"
});
resp.priv = OpenLayers.Request.POST({
url: options.url,
callback: this.createCallback(this.handleCreate, resp, options),
headers: options.headers,
data: this.format.write(features)
});
return resp;
},
/**
* Method: handleCreate
* Called the the request issued by <create> is complete. May be overridden
* by subclasses.
*
* Parameters:
* resp - {<OpenLayers.Protocol.Response>} The response object to pass to
* any user callback.
* options - {Object} The user options passed to the create call.
*/
handleCreate: function(resp, options) {
this.handleResponse(resp, options);
},
/**
* APIMethod: update
* Construct a request updating modified feature.
*
* Parameters:
* feature - {<OpenLayers.Feature.Vector>}
* options - {Object} Optional object for configuring the request.
* This object is modified and should not be reused.
*
* Returns:
* {<OpenLayers.Protocol.Response>} An <OpenLayers.Protocol.Response>
* object, whose "priv" property references the HTTP request, this
* object is also passed to the callback function when the request
* completes, its "features" property is then populated with the
* the feature received from the server.
*/
update: function(feature, options) {
options = options || {};
var url = options.url ||
feature.url ||
this.options.url + "/" + feature.fid;
options = OpenLayers.Util.applyDefaults(options, this.options);
var resp = new OpenLayers.Protocol.Response({
reqFeatures: feature,
requestType: "update"
});
resp.priv = OpenLayers.Request.PUT({
url: url,
callback: this.createCallback(this.handleUpdate, resp, options),
headers: options.headers,
data: this.format.write(feature)
});
return resp;
},
/**
* Method: handleUpdate
* Called the the request issued by <update> is complete. May be overridden
* by subclasses.
*
* Parameters:
* resp - {<OpenLayers.Protocol.Response>} The response object to pass to
* any user callback.
* options - {Object} The user options passed to the update call.
*/
handleUpdate: function(resp, options) {
this.handleResponse(resp, options);
},
/**
* APIMethod: delete
* Construct a request deleting a removed feature.
*
* Parameters:
* feature - {<OpenLayers.Feature.Vector>}
* options - {Object} Optional object for configuring the request.
* This object is modified and should not be reused.
*
* Returns:
* {<OpenLayers.Protocol.Response>} An <OpenLayers.Protocol.Response>
* object, whose "priv" property references the HTTP request, this
* object is also passed to the callback function when the request
* completes.
*/
"delete": function(feature, options) {
options = options || {};
var url = options.url ||
feature.url ||
this.options.url + "/" + feature.fid;
options = OpenLayers.Util.applyDefaults(options, this.options);
var resp = new OpenLayers.Protocol.Response({
reqFeatures: feature,
requestType: "delete"
});
resp.priv = OpenLayers.Request.DELETE({
url: url,
callback: this.createCallback(this.handleDelete, resp, options),
headers: options.headers
});
return resp;
},
/**
* Method: handleDelete
* Called the the request issued by <delete> is complete. May be overridden
* by subclasses.
*
* Parameters:
* resp - {<OpenLayers.Protocol.Response>} The response object to pass to
* any user callback.
* options - {Object} The user options passed to the delete call.
*/
handleDelete: function(resp, options) {
this.handleResponse(resp, options);
},
/**
* Method: handleResponse
* Called by CRUD specific handlers.
*
* Parameters:
* resp - {<OpenLayers.Protocol.Response>} The response object to pass to
* any user callback.
* options - {Object} The user options passed to the create, read, update,
* or delete call.
*/
handleResponse: function(resp, options) {
var request = resp.priv;
if(options.callback) {
if(request.status >= 200 && request.status < 300) {
// success
if(resp.requestType != "delete") {
resp.features = this.parseFeatures(request);
}
resp.code = OpenLayers.Protocol.Response.SUCCESS;
} else {
// failure
resp.code = OpenLayers.Protocol.Response.FAILURE;
}
options.callback.call(options.scope, resp);
}
},
/**
* Method: parseFeatures
* Read HTTP response body and return features.
*
* Parameters:
* request - {XMLHttpRequest} The request object
*
* Returns:
* {Array({<OpenLayers.Feature.Vector>})} or
* {<OpenLayers.Feature.Vector>} Array of features or a single feature.
*/
parseFeatures: function(request) {
var doc = request.responseXML;
if (!doc || !doc.documentElement) {
doc = request.responseText;
}
if (!doc || doc.length <= 0) {
return null;
}
return this.format.read(doc);
},
/**
* APIMethod: commit
* Iterate over each feature and take action based on the feature state.
* Possible actions are create, update and delete.
*
* Parameters:
* features - {Array({<OpenLayers.Feature.Vector>})}
* options - {Object} Optional object for setting up intermediate commit
* callbacks.
*
* Valid options:
* create - {Object} Optional object to be passed to the <create> method.
* update - {Object} Optional object to be passed to the <update> method.
* delete - {Object} Optional object to be passed to the <delete> method.
* callback - {Function} Optional function to be called when the commit
* is complete.
* scope - {Object} Optional object to be set as the scope of the callback.
*
* Returns:
* {Array(<OpenLayers.Protocol.Response>)} An array of response objects,
* one per request made to the server, each object's "priv" property
* references the corresponding HTTP request.
*/
commit: function(features, options) {
options = OpenLayers.Util.applyDefaults(options, this.options);
var resp = [], nResponses = 0;
// Divide up features before issuing any requests. This properly
// counts requests in the event that any responses come in before
// all requests have been issued.
var types = {};
types[OpenLayers.State.INSERT] = [];
types[OpenLayers.State.UPDATE] = [];
types[OpenLayers.State.DELETE] = [];
var feature, list, requestFeatures = [];
for(var i=0, len=features.length; i<len; ++i) {
feature = features[i];
list = types[feature.state];
if(list) {
list.push(feature);
requestFeatures.push(feature);
}
}
// tally up number of requests
var nRequests = (types[OpenLayers.State.INSERT].length > 0 ? 1 : 0) +
types[OpenLayers.State.UPDATE].length +
types[OpenLayers.State.DELETE].length;
// This response will be sent to the final callback after all the others
// have been fired.
var success = true;
var finalResponse = new OpenLayers.Protocol.Response({
reqFeatures: requestFeatures
});
function insertCallback(response) {
var len = response.features ? response.features.length : 0;
var fids = new Array(len);
for(var i=0; i<len; ++i) {
fids[i] = response.features[i].fid;
}
finalResponse.insertIds = fids;
callback.apply(this, [response]);
}
function callback(response) {
this.callUserCallback(response, options);
success = success && response.success();
nResponses++;
if (nResponses >= nRequests) {
if (options.callback) {
finalResponse.code = success ?
OpenLayers.Protocol.Response.SUCCESS :
OpenLayers.Protocol.Response.FAILURE;
options.callback.apply(options.scope, [finalResponse]);
}
}
}
// start issuing requests
var queue = types[OpenLayers.State.INSERT];
if(queue.length > 0) {
resp.push(this.create(
queue, OpenLayers.Util.applyDefaults(
{callback: insertCallback, scope: this}, options.create
)
));
}
queue = types[OpenLayers.State.UPDATE];
for(var i=queue.length-1; i>=0; --i) {
resp.push(this.update(
queue[i], OpenLayers.Util.applyDefaults(
{callback: callback, scope: this}, options.update
))
);
}
queue = types[OpenLayers.State.DELETE];
for(var i=queue.length-1; i>=0; --i) {
resp.push(this["delete"](
queue[i], OpenLayers.Util.applyDefaults(
{callback: callback, scope: this}, options["delete"]
))
);
}
return resp;
},
/**
* APIMethod: abort
* Abort an ongoing request, the response object passed to
* this method must come from this HTTP protocol (as a result
* of a create, read, update, delete or commit operation).
*
* Parameters:
* response - {<OpenLayers.Protocol.Response>}
*/
abort: function(response) {
if (response) {
response.priv.abort();
}
},
/**
* Method: callUserCallback
* This method is used from within the commit method each time an
* an HTTP response is received from the server, it is responsible
* for calling the user-supplied callbacks.
*
* Parameters:
* resp - {<OpenLayers.Protocol.Response>}
* options - {Object} The map of options passed to the commit call.
*/
callUserCallback: function(resp, options) {
var opt = options[resp.requestType];
if(opt && opt.callback) {
opt.callback.call(opt.scope, resp);
}
},
CLASS_NAME: "OpenLayers.Protocol.HTTP"
});
/**
* Property: OpenLayers.Protocol.HTTP.COMP_TYPE_TO_OP_STR
* {Object} A private class-level property mapping the
* OpenLayers.Filter.Comparison types to the operation
* strings of the protocol.
*/
(function() {
var o = OpenLayers.Protocol.HTTP.COMP_TYPE_TO_OP_STR = {};
o[OpenLayers.Filter.Comparison.EQUAL_TO] = "eq";
o[OpenLayers.Filter.Comparison.NOT_EQUAL_TO] = "ne";
o[OpenLayers.Filter.Comparison.LESS_THAN] = "lt";
o[OpenLayers.Filter.Comparison.LESS_THAN_OR_EQUAL_TO] = "lte";
o[OpenLayers.Filter.Comparison.GREATER_THAN] = "gt";
o[OpenLayers.Filter.Comparison.GREATER_THAN_OR_EQUAL_TO] = "gte";
o[OpenLayers.Filter.Comparison.LIKE] = "ilike";
})();
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