initial commit

2018-08-05 00:46:25 +03:00 · 2018-08-05 00:46:25 +03:00 · 4b60ece582
commit 4b60ece582
327 changed files with 28286 additions and 0 deletions
--- a/libjs/wModel/pageStorage.js
+++ b/libjs/wModel/pageStorage.js
@ -0,0 +1,124 @@
+"use strict";
+
+var Model = require("./model");
+var Page = require("./page");
+var ModelString = require("./string");
+var Vocabulary = require("../wType/vocabulary");
+var Address = require("../wType/address");
+var String = require("../wType/string");
+var Event = require("../wType/event");
+var AbstractMap = require("../wContainer/abstractmap");
+
+var AddressMap = AbstractMap.template(Address, String);
+
+var PageStorage = Model.inherit({
+    "className": "PageStorage",
+    "constructor": function(addr, rootPage, pr) {
+        Model.fn.constructor.call(this, addr);
+        
+        this._urls = {};
+        this._specialPages = {};
+        this._rMap = new AddressMap(true);
+        this._root = rootPage;
+        this._pr = pr;
+        
+        this._initRootPage();
+        this._initNotFoundPage();
+        
+        this.addHandler("getPageAddress");
+        this.addHandler("getPageName");
+    },
+    "destructor": function() {
+        this._rMap.destructor();
+        
+        Model.fn.destructor.call(this);
+    },
+    "getPageByUrl": function(url) {
+        var addr = url.split("/");
+        var page = this._root;
+        for (var i = 0; i < addr.length; ++i) {
+            if (addr[i] !== "") {
+                page = page.getChildPage(addr[i]);
+                if (page === undefined) {
+                    return this._specialPages.notFound;
+                }
+            }
+        }
+        return page;
+    },
+    "hasPage": function(name) {
+        return this.getPageByUrl(name) !== this._specialPages.notFound
+    },
+    "_h_getPageAddress": function(ev) {
+        var data = ev.getData();
+        
+        var page = this.getPageByUrl(data.at("url").valueOf());
+        
+        var vc = new Vocabulary();
+        if (page) {
+            vc.insert("address", page.getAddress());
+        } else {
+            vc.insert("address", this._specialPages.notFound.getAddress());
+        }
+        
+        this.response(vc, "pageAddress", ev);
+    },
+    "_h_getPageName": function(ev) {
+        var data = ev.getData();
+        var address = data.at("address");
+        
+        var evp = new Event(address["+"](new Address(["ping"])));
+        this._dp.pass(evp);
+        evp.destructor();
+        
+        var itr = this._rMap.find(address);
+        var vc = new Vocabulary();
+        if (itr["=="](this._rMap.end())) {
+            vc.insert("name", new String("notFound"));
+        } else {
+            vc.insert("name", itr["*"]().second.clone());
+        }
+        this.response(vc, "pageName", ev);
+    },
+    "_initNotFoundPage": function() {
+        var nf = new Page(this._address["+"](new Address(["special", "notFound"])), "Not found");
+        this._specialPages["notFound"] = nf;
+        this.addModel(nf);
+        var msg = new ModelString(nf._address["+"](new Address(["errorMessage"])), "Error: page not found");
+        nf.addItem(msg, 0, 0, 1, 1);
+    },
+    "_initRootPage": function() {
+        this.addModel(this._root);
+        
+        this._rMap.insert(this._root.getAddress(), new String("/"));
+        this._root.on("newPage", this._onNewPage, this);
+        this._root.on("removePage", this._onRemovePage, this);
+    },
+    "_onNewPage": function(page) {
+        var addr = page.urlAddress.join("/").slice(this._root.name.length);
+        this.trigger("serviceMessage", "Adding new page: " + addr);
+        this.trigger("serviceMessage", "Page address: " + page.getAddress().toString());
+        
+        if (this._urls[addr]) {
+            throw new Error("An attempt to add page with an existing url");
+        }
+        this._urls[addr] = page;
+        this._rMap.insert(page.getAddress(), new String(addr));
+        page.setParentReporter(this._pr);
+    },
+    "_onRemovePage": function(page) {
+        var addr = page.urlAddress.join("/").slice(this._root.name.length);
+        this.trigger("serviceMessage", "Removing page: " + addr);
+        this.trigger("serviceMessage", "Page address: " + page.getAddress().toString());
+        
+        if (!this._urls[addr]) {
+            throw new Error("An attempt to remove a non existing page");
+        }
+        delete this._urls[addr];
+        var itr = this._rMap.find(page.getAddress());
+        this._rMap.erase(itr);
+        page.unsetParentReporter();
+    }
+});
+
+module.exports = PageStorage;