moving files around after repository merger

1 files changed, 187 insertions, 0 deletions

diff --git a/src/client/model/core.js b/src/client/model/core.js
new file mode 100644
index 00000000..5c643ea1
--- /dev/null
+++ b/src/client/model/core.js
@@ -0,0 +1,187 @@
+"use strict"
+
+/**
+ * core model module - currently unused
+ */
+define(['util'], function(util) {
+
+    /**
+     * return a random id
+     */
+    var random_id;
+
+    var random_id__hash = function() {
+        return Math.random().toString(36).substring(2, 10);
+    }
+
+    var random_id__seq = function () {
+        var id = 0;
+        function get_next() {
+            var next = id;
+            id += 1;
+            return next;
+        }
+        return get_next;
+    }
+
+    function random_node_name() {
+        return random_id__hash();
+    }
+
+    function init(config){
+        if (config['rand_id_generator'] == 'hash') {
+            random_id = random_id__hash;
+        }
+        if (config['rand_id_generator'] == 'seq') {
+            random_id = random_id__seq();
+        }
+    }
+
+    function Node() {
+    }
+    Node.prototype.equals = function(other_node){
+        return this.id == other_node.id;
+    }
+
+    function Link() {
+    }
+    // adapte Link to force_layoutL create __src,__dst aliases
+    Link.prototype.__defineGetter__('source', function(){
+        return this.__src;
+    });
+    Link.prototype.__defineGetter__('target', function(){
+        return this.__dst;
+    });
+
+    /**
+     * the most flexible way to create a node: - perform spec field validation -
+     * fill-in missing spec fields
+     */
+    function create_node_from_spec(node_spec) {
+        var ret = new Node();
+
+        if (undefined != node_spec.id) {
+            // reuse id if present
+            __set_obj_id(ret, node_spec.id);
+        }
+
+        util.assert(undefined != node_spec.name, 'create_node_from_spec: name missing');
+
+        ret.name = node_spec.name;
+
+        // type
+        if (undefined == node_spec.type) {
+            console.debug('create_node_from_spec: undefined type, falling back to \'empty\'');
+            node_spec.type = 'empty';
+        }
+        ret.type = node_spec.type;
+
+        // status
+        ret.status = node_spec.status || 'unknown';
+
+        // visual
+        ret.x = node_spec.x;
+        ret.y = node_spec.y;
+
+        // other
+        ret.state = node_spec.state;
+        ret.url = node_spec.url;
+        ret.start = node_spec.start;
+        ret.end = node_spec.end;
+
+        return ret;
+    }
+
+    function __set_obj_id(obj, id) {
+        Object.defineProperty(obj, "id", {
+            value: id,
+            enumerable: true,
+            writable: false
+        });
+    }
+
+    /**
+     * @param node_spec: id must not be defined
+     */
+    function create_node__set_random_id(node_spec) {
+        if (undefined == node_spec) {
+            node_spec = {};
+        }
+
+        var ret = create_node_from_spec(node_spec);
+
+        util.assert(undefined == ret.id); // id must not be defined in spec
+        __set_obj_id(ret, random_id());
+
+        return ret;
+    }
+
+    function create_link__set_random_id(src, dst, link_spec) {
+        var ret = create_link_from_spec(src, dst, link_spec);
+        __set_obj_id(ret, random_id());
+        return ret;
+    }
+
+    /**
+     * determine if nodes are equal by name
+     *
+     * @param other_node
+     * @returns {Boolean}
+     */
+    Node.prototype.equal_by_name = function(other) {
+        ret = this.name.toLowerCase() == other.name.toLowerCase();
+        if (false == ret) {
+            console.debug(this.id + ' != ' + other.id);
+        }
+        return ret;
+    }
+
+    function create_link_from_spec(src, dst, link_spec) {
+        var ret = new Link();
+
+        if (undefined != link_spec.id) {
+            // reuse id if present
+            __set_obj_id(ret, link_spec.id);
+        }
+
+        util.assert(undefined != src, 'create_link_from_spec: src missing');
+        util.assert(undefined != dst, 'create_link_from_spec: dst missing');
+        util.assert(undefined != src.id, 'create_link_from_spec: src missing id');
+        util.assert(undefined != dst.id, 'create_link_from_spec: dst missing id');
+        util.assert(undefined != link_spec.name, 'create_link_from_spec: name missing, unable to deduce type');
+
+        ret.__src = src;
+        ret.__dst = dst;
+        ret.__type = link_spec.name;
+
+        if (undefined == link_spec.name){
+            console.warn('create_link_from_spec: name: ' + link_spec.name);
+            link_spec.name = "";
+        }
+        ret.name = link_spec.name.trim();
+
+        ret.state = link_spec.state;
+        return ret;
+    }
+
+    /**
+     * determine if links are equal by ID
+     *
+     * @param other_node
+     * @returns {Boolean}
+     */
+    Link.prototype.equal_by_id = function(other) {
+        return this.id.toLowerCase() == other.id.toLowerCase();
+    }
+
+    return {
+        init : init,
+        Node: Node, // allow model adaptation
+        Link: Link, // allow model adaptation
+        random_node_name : random_node_name,
+        create_node_from_spec : create_node_from_spec,
+        create_node__set_random_id : create_node__set_random_id,
+        create_link_from_spec : create_link_from_spec,
+        create_link__set_random_id : create_link__set_random_id,
+    };
+});