Merge pull request #81 from ESSS/fb-ASIM-3658-annulus-ports-support

Add function to identify if port exists in a cell

qmxgraph/api.py

@@ -276,6 +276,17 @@ def has_cell(self, cell_id):
         """
         return self.call_api('hasCell', cell_id)
 
+    def has_port(self, cell_id, port_name):
+        """
+        Indicates if the port exists.
+
+        :param str cell_id: Id of a cell in graph.
+        :param str port_name: Name of the expected port.
+        :rtype: bool
+        :return: True if the port exists.
+        """
+        return self.call_api('hasPort', cell_id, port_name)
+
     def get_cell_type(self, cell_id):
         """
         :param str cell_id: Id of a cell in graph.

qmxgraph/page/api.js

@@ -1802,6 +1802,20 @@ graphs.Api.prototype._findPort = function _findPort (model, cellId, portName, al
     return port;
 };
 
+/**
+ * @param {number} cellId Id of a cell in graph.
+ * @param {string} portName The name of the port.
+ * @returns {boolean} True if the port exists.
+ */
+graphs.Api.prototype.hasPort = function hasPort (cellId, portName) {
+    "use strict";
+
+    var graph = this._graphEditor.graph;
+    var portId = mxCell.createPortId(cellId, portName);
+    var port = graph.getModel().getCell(portId);
+    return !!port;
+};
+
 /**
  *
  * @param {number} cellId

tests/test_qt_js_integration.py

@@ -82,7 +82,9 @@ def test_events_bridge(graph, qtbot, mocker):
     bar_id = graph.api.insert_vertex(40, 140, 20, 20, 'bar')
     edge_id = graph.api.insert_edge(vertex_id, foo_id, 'edge')
     bar_port_name = 'a-port'
+    assert not graph.api.has_port(bar_id, bar_port_name)
     graph.api.insert_port(bar_id, bar_port_name, 0, 0, 5, 5)
+    assert graph.api.has_port(bar_id, bar_port_name)
 
     graph.api.set_edge_terminal(
         edge_id, QmxGraphApi.TARGET_TERMINAL_CELL, bar_id, bar_port_name)