From a8374c634024165d6eff92411fc1ccc886168d5f Mon Sep 17 00:00:00 2001
From: BenjaminVadant <benjaminvadant@gmail.com>
Date: Fri, 29 Jan 2016 18:10:06 +0100
Subject: [PATCH] Adding post request support

---
 README.md                |  13 +++
 dist/leaflet.ajax.js     | 171 ++++++++++++++++++++-------------------
 dist/leaflet.ajax.min.js |   2 +-
 src/ajax.js              |  11 ++-
 src/index.js             |   6 +-
 5 files changed, 117 insertions(+), 86 deletions(-)

diff --git a/README.md b/README.md
index e3c0b2d..be3383f 100644
--- a/README.md
+++ b/README.md
@@ -41,6 +41,19 @@ var geojsonLayer = L.geoJson.ajax("route/to/esri.json",{
     });
 ```
 
+You can also use a post request by supplying post parameters : 
+
+```javascript
+var geojsonLayer = L.geoJson.ajax("route/to/esri.json",{
+    	post : {postField : 'data1'}
+    });
+
+    //or
+
+geojsonLayer.refresh("route/to/esri.json", postData);
+```
+
+
 addUrl does not clear the current layers but adds to the current one,  e.g.:
 
 ```javascript
diff --git a/dist/leaflet.ajax.js b/dist/leaflet.ajax.js
index 66db9cc..d3f405d 100644
--- a/dist/leaflet.ajax.js
+++ b/dist/leaflet.ajax.js
@@ -1,4 +1,77 @@
 (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
+(function (global){
+'use strict';
+var Mutation = global.MutationObserver || global.WebKitMutationObserver;
+
+var scheduleDrain;
+
+{
+  if (Mutation) {
+    var called = 0;
+    var observer = new Mutation(nextTick);
+    var element = global.document.createTextNode('');
+    observer.observe(element, {
+      characterData: true
+    });
+    scheduleDrain = function () {
+      element.data = (called = ++called % 2);
+    };
+  } else if (!global.setImmediate && typeof global.MessageChannel !== 'undefined') {
+    var channel = new global.MessageChannel();
+    channel.port1.onmessage = nextTick;
+    scheduleDrain = function () {
+      channel.port2.postMessage(0);
+    };
+  } else if ('document' in global && 'onreadystatechange' in global.document.createElement('script')) {
+    scheduleDrain = function () {
+
+      // Create a <script> element; its readystatechange event will be fired asynchronously once it is inserted
+      // into the document. Do so, thus queuing up the task. Remember to clean up once it's been called.
+      var scriptEl = global.document.createElement('script');
+      scriptEl.onreadystatechange = function () {
+        nextTick();
+
+        scriptEl.onreadystatechange = null;
+        scriptEl.parentNode.removeChild(scriptEl);
+        scriptEl = null;
+      };
+      global.document.documentElement.appendChild(scriptEl);
+    };
+  } else {
+    scheduleDrain = function () {
+      setTimeout(nextTick, 0);
+    };
+  }
+}
+
+var draining;
+var queue = [];
+//named nextTick for less confusing stack traces
+function nextTick() {
+  draining = true;
+  var i, oldQueue;
+  var len = queue.length;
+  while (len) {
+    oldQueue = queue;
+    queue = [];
+    i = -1;
+    while (++i < len) {
+      oldQueue[i]();
+    }
+    len = queue.length;
+  }
+  draining = false;
+}
+
+module.exports = immediate;
+function immediate(task) {
+  if (queue.push(task) === 1 && !draining) {
+    scheduleDrain();
+  }
+}
+
+}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{}],2:[function(require,module,exports){
 'use strict';
 var immediate = require('immediate');
 
@@ -253,80 +326,7 @@ function race(iterable) {
   }
 }
 
-},{"immediate":2}],2:[function(require,module,exports){
-(function (global){
-'use strict';
-var Mutation = global.MutationObserver || global.WebKitMutationObserver;
-
-var scheduleDrain;
-
-{
-  if (Mutation) {
-    var called = 0;
-    var observer = new Mutation(nextTick);
-    var element = global.document.createTextNode('');
-    observer.observe(element, {
-      characterData: true
-    });
-    scheduleDrain = function () {
-      element.data = (called = ++called % 2);
-    };
-  } else if (!global.setImmediate && typeof global.MessageChannel !== 'undefined') {
-    var channel = new global.MessageChannel();
-    channel.port1.onmessage = nextTick;
-    scheduleDrain = function () {
-      channel.port2.postMessage(0);
-    };
-  } else if ('document' in global && 'onreadystatechange' in global.document.createElement('script')) {
-    scheduleDrain = function () {
-
-      // Create a <script> element; its readystatechange event will be fired asynchronously once it is inserted
-      // into the document. Do so, thus queuing up the task. Remember to clean up once it's been called.
-      var scriptEl = global.document.createElement('script');
-      scriptEl.onreadystatechange = function () {
-        nextTick();
-
-        scriptEl.onreadystatechange = null;
-        scriptEl.parentNode.removeChild(scriptEl);
-        scriptEl = null;
-      };
-      global.document.documentElement.appendChild(scriptEl);
-    };
-  } else {
-    scheduleDrain = function () {
-      setTimeout(nextTick, 0);
-    };
-  }
-}
-
-var draining;
-var queue = [];
-//named nextTick for less confusing stack traces
-function nextTick() {
-  draining = true;
-  var i, oldQueue;
-  var len = queue.length;
-  while (len) {
-    oldQueue = queue;
-    queue = [];
-    i = -1;
-    while (++i < len) {
-      oldQueue[i]();
-    }
-    len = queue.length;
-  }
-  draining = false;
-}
-
-module.exports = immediate;
-function immediate(task) {
-  if (queue.push(task) === 1 && !draining) {
-    scheduleDrain();
-  }
-}
-
-}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{}],3:[function(require,module,exports){
+},{"immediate":1}],3:[function(require,module,exports){
 (function (global){
 'use strict';
 var jsonp = require('./jsonp');
@@ -346,7 +346,7 @@ module.exports = function (url, options) {
     }
     var response;
     request = new global.XMLHttpRequest();
-    request.open('GET', url);
+    request.open((Object.keys(options.post).length > 0)?'POST':'GET', url);
     request.onreadystatechange = function () {
       if (request.readyState === 4) {
         if ((request.status < 400 && options.local) || request.status === 200) {
@@ -365,7 +365,14 @@ module.exports = function (url, options) {
         }
       }
     };
-    request.send();
+    if(Object.keys(options.post).length > 0)
+    {
+      request.send(options.post);
+    }
+    else
+    {
+      request.send();
+    }
   });
   out.catch(function (reason) {
     request.abort();
@@ -376,7 +383,7 @@ module.exports = function (url, options) {
 };
 
 }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"./jsonp":5,"lie":1}],4:[function(require,module,exports){
+},{"./jsonp":5,"lie":2}],4:[function(require,module,exports){
 (function (global){
 'use strict';
 var L = global.L || require('leaflet');
@@ -389,7 +396,8 @@ L.GeoJSON.AJAX = L.GeoJSON.extend({
     local: false,
     middleware: function (f) {
       return f;
-    }
+    },
+    post:{}
   },
   initialize: function (url, options) {
     this.urls = [];
@@ -473,8 +481,9 @@ L.GeoJSON.AJAX = L.GeoJSON.extend({
       }
     });
   },
-  refresh: function (url) {
+  refresh: function (url,post) {
     url = url || this.urls;
+    this.ajaxParams.post = post || {};
     this.clearLayers();
     this.addUrl(url);
   },
@@ -513,7 +522,7 @@ L.geoJson.ajax = function (geojson, options) {
 };
 
 }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"./ajax":3,"./jsonp":5,"leaflet":undefined,"lie":1}],5:[function(require,module,exports){
+},{"./ajax":3,"./jsonp":5,"leaflet":undefined,"lie":2}],5:[function(require,module,exports){
 (function (global){
 'use strict';
 var L = global.L || require('leaflet');
@@ -567,4 +576,4 @@ module.exports = function (url, options) {
 };
 
 }).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
-},{"leaflet":undefined,"lie":1}]},{},[4]);
+},{"leaflet":undefined,"lie":2}]},{},[4]);
diff --git a/dist/leaflet.ajax.min.js b/dist/leaflet.ajax.min.js
index d5c3ed0..e79a519 100644
--- a/dist/leaflet.ajax.min.js
+++ b/dist/leaflet.ajax.min.js
@@ -1 +1 @@
-!function e(t,n,r){function a(i,s){if(!n[i]){if(!t[i]){var l="function"==typeof require&&require;if(!s&&l)return l(i,!0);if(o)return o(i,!0);var u=new Error("Cannot find module '"+i+"'");throw u.code="MODULE_NOT_FOUND",u}var c=n[i]={exports:{}};t[i][0].call(c.exports,function(e){var n=t[i][1][e];return a(n?n:e)},c,c.exports,e,t,n,r)}return n[i].exports}for(var o="function"==typeof require&&require,i=0;i<r.length;i++)a(r[i]);return a}({1:[function(e,t,n){"use strict";function r(){}function a(e){if("function"!=typeof e)throw new TypeError("resolver must be a function");this.state=j,this.queue=[],this.outcome=void 0,e!==r&&l(this,e)}function o(e,t,n){this.promise=e,"function"==typeof t&&(this.onFulfilled=t,this.callFulfilled=this.otherCallFulfilled),"function"==typeof n&&(this.onRejected=n,this.callRejected=this.otherCallRejected)}function i(e,t,n){p(function(){var r;try{r=t(n)}catch(a){return v.reject(e,a)}r===e?v.reject(e,new TypeError("Cannot resolve promise with 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n=t.ajaxParams.middleware(e);t.addData(n),t.fire("data:progress",n)},function(e){t.fire("data:progress",{error:e})})}),t.on("data:progress",function(){++o===r&&t.fire("data:loaded")})},refresh:function(e){e=e||this.urls,this.clearLayers(),this.addUrl(e)},refilter:function(e){"function"!=typeof e?(this.filter=!1,this.eachLayer(function(e){e.setStyle({stroke:!0,clickable:!0})})):(this.filter=e,this.eachLayer(function(t){e(t.feature)?t.setStyle({stroke:!0,clickable:!0}):t.setStyle({stroke:!1,clickable:!1})}))}}),n.Util.Promise=r,n.Util.ajax=a,n.Util.jsonp=e("./jsonp"),n.geoJson.ajax=function(e,t){return new n.GeoJSON.AJAX(e,t)}}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./ajax":3,"./jsonp":5,leaflet:void 0,lie:1}],5:[function(e,t,n){(function(n){"use strict";var r=n.L||e("leaflet"),a=e("lie");t.exports=function(e,t){t=t||{};var 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+!function e(t,n,r){function a(i,s){if(!n[i]){if(!t[i]){var l="function"==typeof require&&require;if(!s&&l)return l(i,!0);if(o)return o(i,!0);var c=new Error("Cannot find module '"+i+"'");throw c.code="MODULE_NOT_FOUND",c}var u=n[i]={exports:{}};t[i][0].call(u.exports,function(e){var n=t[i][1][e];return a(n?n:e)},u,u.exports,e,t,n,r)}return n[i].exports}for(var o="function"==typeof require&&require,i=0;i<r.length;i++)a(r[i]);return a}({1:[function(e,t,n){(function(e){"use strict";function n(){u=!0;for(var e,t,n=f.length;n;){for(t=f,f=[],e=-1;++e<n;)t[e]();n=f.length}u=!1}function r(e){1!==f.push(e)||u||a()}var a,o=e.MutationObserver||e.WebKitMutationObserver;if(o){var i=0,s=new o(n),l=e.document.createTextNode("");s.observe(l,{characterData:!0}),a=function(){l.data=i=++i%2}}else if(e.setImmediate||"undefined"==typeof e.MessageChannel)a="document"in e&&"onreadystatechange"in e.document.createElement("script")?function(){var 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n},o.prototype.callFulfilled=function(e){v.resolve(this.promise,e)},o.prototype.otherCallFulfilled=function(e){i(this.promise,this.onFulfilled,e)},o.prototype.callRejected=function(e){v.reject(this.promise,e)},o.prototype.otherCallRejected=function(e){i(this.promise,this.onRejected,e)},v.resolve=function(e,t){var n=c(s,t);if("error"===n.status)return v.reject(e,n.value);var r=n.value;if(r)l(e,r);else{e.state=m,e.outcome=t;for(var a=-1,o=e.queue.length;++a<o;)e.queue[a].callFulfilled(t)}return e},v.reject=function(e,t){e.state=y,e.outcome=t;for(var n=-1,r=e.queue.length;++n<r;)e.queue[n].callRejected(t);return e},n.resolve=u,n.reject=f,n.all=d,n.race=h},{immediate:1}],3:[function(e,t,n){(function(n){"use strict";var r=e("./jsonp"),a=e("lie");t.exports=function(e,t){if(t=t||{},t.jsonp)return r(e,t);var o,i,s=new a(function(r,a){i=a,void 0===n.XMLHttpRequest&&a("XMLHttpRequest is not supported");var s;o=new n.XMLHttpRequest,o.open(Object.keys(t.post).length>0?"POST":"GET",e),o.onreadystatechange=function(){4===o.readyState&&(o.status<400&&t.local||200===o.status?(n.JSON?s=JSON.parse(o.responseText):a(new Error("JSON is not supported")),r(s)):a(o.status?o.statusText:"Attempted cross origin request without CORS enabled"))},Object.keys(t.post).length>0?o.send(t.post):o.send()});return s["catch"](function(e){return o.abort(),e}),s.abort=i,s}}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./jsonp":5,lie:2}],4:[function(e,t,n){(function(t){"use strict";var n=t.L||e("leaflet"),r=e("lie"),a=e("./ajax");n.GeoJSON.AJAX=n.GeoJSON.extend({defaultAJAXparams:{dataType:"json",callbackParam:"callback",local:!1,middleware:function(e){return e},post:{}},initialize:function(e,t){this.urls=[],e&&("string"==typeof e?this.urls.push(e):"function"==typeof e.pop?this.urls=this.urls.concat(e):(t=e,e=void 0));var a=n.Util.extend({},this.defaultAJAXparams);for(var o in t)this.defaultAJAXparams.hasOwnProperty(o)&&(a[o]=t[o]);this.ajaxParams=a,this._layers={},n.Util.setOptions(this,t),this.on("data:loaded",function(){this.filter&&this.refilter(this.filter)},this);var i=this;this.urls.length>0&&new r(function(e){e()}).then(function(){i.addUrl()})},clearLayers:function(){return this.urls=[],n.GeoJSON.prototype.clearLayers.call(this),this},addUrl:function(e){var t=this;e&&("string"==typeof e?t.urls.push(e):"function"==typeof e.pop&&(t.urls=t.urls.concat(e)));var r=t.urls.length,o=0;t.fire("data:loading"),t.urls.forEach(function(e){"json"===t.ajaxParams.dataType.toLowerCase()?a(e,t.ajaxParams).then(function(e){var n=t.ajaxParams.middleware(e);t.addData(n),t.fire("data:progress",n)},function(e){t.fire("data:progress",{error:e})}):"jsonp"===t.ajaxParams.dataType.toLowerCase()&&n.Util.jsonp(e,t.ajaxParams).then(function(e){var n=t.ajaxParams.middleware(e);t.addData(n),t.fire("data:progress",n)},function(e){t.fire("data:progress",{error:e})})}),t.on("data:progress",function(){++o===r&&t.fire("data:loaded")})},refresh:function(e,t){e=e||this.urls,this.ajaxParams.post=t||{},this.clearLayers(),this.addUrl(e)},refilter:function(e){"function"!=typeof e?(this.filter=!1,this.eachLayer(function(e){e.setStyle({stroke:!0,clickable:!0})})):(this.filter=e,this.eachLayer(function(t){e(t.feature)?t.setStyle({stroke:!0,clickable:!0}):t.setStyle({stroke:!1,clickable:!1})}))}}),n.Util.Promise=r,n.Util.ajax=a,n.Util.jsonp=e("./jsonp"),n.geoJson.ajax=function(e,t){return new n.GeoJSON.AJAX(e,t)}}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{"./ajax":3,"./jsonp":5,leaflet:void 0,lie:2}],5:[function(e,t,n){(function(n){"use strict";var r=n.L||e("leaflet"),a=e("lie");t.exports=function(e,t){t=t||{};var o,i,s,l,c=document.getElementsByTagName("head")[0],u=r.DomUtil.create("script","",c),f=new a(function(r,a){l=a;var f=t.cbParam||"callback";t.callbackName?o=t.callbackName:(s="_"+(""+Math.random()).slice(2),o="_leafletJSONPcallbacks."+s),u.type="text/javascript",s&&(n._leafletJSONPcallbacks||(n._leafletJSONPcallbacks={length:0}),n._leafletJSONPcallbacks.length++,n._leafletJSONPcallbacks[s]=function(e){c.removeChild(u),delete n._leafletJSONPcallbacks[s],n._leafletJSONPcallbacks.length--,n._leafletJSONPcallbacks.length||delete n._leafletJSONPcallbacks,r(e)}),i=-1===e.indexOf("?")?e+"?"+f+"="+o:e+"&"+f+"="+o,u.src=i}).then(null,function(e){return c.removeChild(u),delete r.Util.ajax.cb[s],e});return f.abort=l,f}}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{leaflet:void 0,lie:2}]},{},[4]);
diff --git a/src/ajax.js b/src/ajax.js
index 2afda17..e73afde 100644
--- a/src/ajax.js
+++ b/src/ajax.js
@@ -16,7 +16,7 @@ module.exports = function (url, options) {
     }
     var response;
     request = new global.XMLHttpRequest();
-    request.open('GET', url);
+    request.open((Object.keys(options.post).length > 0)?'POST':'GET', url);
     request.onreadystatechange = function () {
       if (request.readyState === 4) {
         if ((request.status < 400 && options.local) || request.status === 200) {
@@ -35,7 +35,14 @@ module.exports = function (url, options) {
         }
       }
     };
-    request.send();
+    if(Object.keys(options.post).length > 0)
+    {
+      request.send(options.post);
+    }
+    else
+    {
+      request.send();
+    }
   });
   out.catch(function (reason) {
     request.abort();
diff --git a/src/index.js b/src/index.js
index cf34a92..18e6dde 100644
--- a/src/index.js
+++ b/src/index.js
@@ -9,7 +9,8 @@ L.GeoJSON.AJAX = L.GeoJSON.extend({
     local: false,
     middleware: function (f) {
       return f;
-    }
+    },
+    post:{}
   },
   initialize: function (url, options) {
     this.urls = [];
@@ -93,8 +94,9 @@ L.GeoJSON.AJAX = L.GeoJSON.extend({
       }
     });
   },
-  refresh: function (url) {
+  refresh: function (url,post) {
     url = url || this.urls;
+    this.ajaxParams.post = post || {};
     this.clearLayers();
     this.addUrl(url);
   },