Ox.URL: add getPart option (page sections)

source/Ox.UI/js/Core/URL.js

@@ -19,6 +19,12 @@ Ox.URL <f> URL controller
             state <o> State object
             string <s> The string to be tested
             callback <f> callback function
+        getPart <f> Tests if a string matches a part (page section)
+            May modify the state's part property
+            (state, string, callback) -> <u> undefined
+            state <o> State object
+            string <s> The string to be tested
+            callback <f> callback function
         getSpan <f> Tests if a string matches a span
             May modify the state's view and span properties
             (state, string, callback) -> <u> undefined
@@ -298,7 +304,8 @@ example.com[/page][#hash]
 or
 example.com[/type][/item][/view][/span][/sort][/find][#hash]
 
-page    Special page, like "about" or "contact"
+page    Special page, like "about" or "contact".
+part    Part (section) of a page, like in "help/accounts".
 type    Section a.k.a. item type, like "movies", "edits", "texts" etc.
 item    Item id or title, like in '/movies/0060304', '/movies/inception' or
         'texts/ABC'. Testing this is asynchonous.
@@ -402,6 +409,7 @@ Ox.URL = function(options) {
         findKeys: [],
         getHash: null,
         getItem: null,
+        getPart: null,
         getSpan: null,
         pages: [],
         spanType: {},
@@ -516,6 +524,9 @@ Ox.URL = function(options) {
         var parts = [];
         if (state.page) {
             parts.push(state.page);
+            if (state.part) {
+                parts.push(state.part);
+            }
         } else {
             if (self.options.types.indexOf(state.type) > 0) {
                 parts.push(state.type);
@@ -581,6 +592,7 @@ Ox.URL = function(options) {
             canBeLocation = types.indexOf('location') > -1,
             canBeNumber = types.indexOf('number') > -1,
             length = str.split(',').length;
+        // !/^\d{7}$/.test(str) avoids matching imdb ids
         return canBeDate && /\d-/.test(str) ? 'date'
             : canBeDuration && /:/.test(str) ? 'duration'
             : canBeLocation && length == 4 ? 'location'
@@ -590,7 +602,6 @@ Ox.URL = function(options) {
             : canBeLocation && length == 2 ? 'location'
             : canBeNumber && /^\d+$/.test(str) ? 'number'
             : '';
-        // !/^\d{7}$/.test(str) avoids matching imdb ids
     }
 
     function parseCondition(str) {
@@ -759,7 +770,13 @@ Ox.URL = function(options) {
         } else if (self.options.pages.indexOf(parts[0]) > -1) {
             // page
             state.page = parts[0];
+            parts.shift();
+            if (parts.length) {
+                // may modify state.part
+                self.options.getPart(state, parts[0], getHash);
+            } else {
                 getHash();
+            }
         } else {
             if (self.options.types.indexOf(parts[0]) > -1) {
                 // type
@@ -906,14 +923,10 @@ Ox.URL = function(options) {
             getHash();
         }
         function getHash() {
-            if (self.options.getHash) {
             self.options.getHash(state, function() {
                 // may have modified state.hash
                 callback(state);
             });
-            } else {
-                callback(state);
-            }
         }
     }